diff options
Diffstat (limited to 'cpu/arm_cortexa8')
32 files changed, 0 insertions, 5134 deletions
diff --git a/cpu/arm_cortexa8/Makefile b/cpu/arm_cortexa8/Makefile deleted file mode 100644 index ae20299db7..0000000000 --- a/cpu/arm_cortexa8/Makefile +++ /dev/null @@ -1,47 +0,0 @@ -# -# (C) Copyright 2000-2003 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(CPU).a - -START := start.o -COBJS := cpu.o - -SRCS := $(START:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -START := $(addprefix $(obj),$(START)) - -all: $(obj).depend $(START) $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -#########################################################################
\ No newline at end of file diff --git a/cpu/arm_cortexa8/config.mk b/cpu/arm_cortexa8/config.mk deleted file mode 100644 index 49ac9c74ae..0000000000 --- a/cpu/arm_cortexa8/config.mk +++ /dev/null @@ -1,33 +0,0 @@ -# -# (C) Copyright 2002 -# Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# -PLATFORM_RELFLAGS += -fno-common -ffixed-r8 -msoft-float - -# Make ARMv5 to allow more compilers to work, even though its v7a. -PLATFORM_CPPFLAGS += -march=armv5 -# ========================================================================= -# -# Supply options according to compiler version -# -# ========================================================================= -PLATFORM_RELFLAGS +=$(call cc-option,-mshort-load-bytes,\ - $(call cc-option,-malignment-traps,)) diff --git a/cpu/arm_cortexa8/cpu.c b/cpu/arm_cortexa8/cpu.c deleted file mode 100644 index a01e0d605f..0000000000 --- a/cpu/arm_cortexa8/cpu.c +++ /dev/null @@ -1,83 +0,0 @@ -/* - * (C) Copyright 2008 Texas Insturments - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -/* - * CPU specific code - */ - -#include <common.h> -#include <command.h> -#include <asm/system.h> -#include <asm/cache.h> -#ifndef CONFIG_L2_OFF -#include <asm/arch/sys_proto.h> -#endif - -static void cache_flush(void); - -int cleanup_before_linux(void) -{ - unsigned int i; - - /* - * this function is called just before we call linux - * it prepares the processor for linux - * - * we turn off caches etc ... - */ - disable_interrupts(); - - /* turn off I/D-cache */ - icache_disable(); - dcache_disable(); - - /* invalidate I-cache */ - cache_flush(); - -#ifndef CONFIG_L2_OFF - /* turn off L2 cache */ - l2_cache_disable(); - /* invalidate L2 cache also */ - invalidate_dcache(get_device_type()); -#endif - i = 0; - /* mem barrier to sync up things */ - asm("mcr p15, 0, %0, c7, c10, 4": :"r"(i)); - -#ifndef CONFIG_L2_OFF - l2_cache_enable(); -#endif - - return 0; -} - -static void cache_flush(void) -{ - asm ("mcr p15, 0, %0, c7, c5, 0": :"r" (0)); -} diff --git a/cpu/arm_cortexa8/mx51/Makefile b/cpu/arm_cortexa8/mx51/Makefile deleted file mode 100644 index 7cfaa2c130..0000000000 --- a/cpu/arm_cortexa8/mx51/Makefile +++ /dev/null @@ -1,48 +0,0 @@ -# -# (C) Copyright 2000-2006 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2009 Freescale Semiconductor, Inc. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).a - -COBJS = soc.o clock.o iomux.o timer.o speed.o -SOBJS = lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/cpu/arm_cortexa8/mx51/clock.c b/cpu/arm_cortexa8/mx51/clock.c deleted file mode 100644 index 38480ac5a1..0000000000 --- a/cpu/arm_cortexa8/mx51/clock.c +++ /dev/null @@ -1,294 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/errno.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/crm_regs.h> -#include <asm/arch/clock.h> - -enum pll_clocks { - PLL1_CLOCK = 0, - PLL2_CLOCK, - PLL3_CLOCK, - PLL_CLOCKS, -}; - -struct mxc_pll_reg *mxc_plls[PLL_CLOCKS] = { - [PLL1_CLOCK] = (struct mxc_pll_reg *)PLL1_BASE_ADDR, - [PLL2_CLOCK] = (struct mxc_pll_reg *)PLL2_BASE_ADDR, - [PLL3_CLOCK] = (struct mxc_pll_reg *)PLL3_BASE_ADDR, -}; - -struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)MXC_CCM_BASE; - -/* - * Calculate the frequency of this pll. - */ -static u32 decode_pll(struct mxc_pll_reg *pll, u32 infreq) -{ - u32 mfi, mfn, mfd, pd; - - mfn = __raw_readl(&pll->mfn); - mfd = __raw_readl(&pll->mfd) + 1; - mfi = __raw_readl(&pll->op); - pd = (mfi & 0xF) + 1; - mfi = (mfi >> 4) & 0xF; - mfi = (mfi >= 5) ? mfi : 5; - - return ((4 * (infreq / 1000) * (mfi * mfd + mfn)) / (mfd * pd)) * 1000; -} - -/* - * Get mcu main rate - */ -u32 get_mcu_main_clk(void) -{ - u32 reg, freq; - - reg = (__raw_readl(&mxc_ccm->cacrr) & MXC_CCM_CACRR_ARM_PODF_MASK) >> - MXC_CCM_CACRR_ARM_PODF_OFFSET; - freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ); - return freq / (reg + 1); -} - -/* - * Get the rate of peripheral's root clock. - */ -static u32 get_periph_clk(void) -{ - u32 reg; - - reg = __raw_readl(&mxc_ccm->cbcdr); - if (!(reg & MXC_CCM_CBCDR_PERIPH_CLK_SEL)) - return decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ); - reg = __raw_readl(&mxc_ccm->cbcmr); - switch ((reg & MXC_CCM_CBCMR_PERIPH_CLK_SEL_MASK) >> - MXC_CCM_CBCMR_PERIPH_CLK_SEL_OFFSET) { - case 0: - return decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ); - case 1: - return decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ); - default: - return 0; - } - /* NOTREACHED */ -} - -/* - * Get the rate of ipg clock. - */ -static u32 get_ipg_clk(void) -{ - u32 ahb_podf, ipg_podf; - - ahb_podf = __raw_readl(&mxc_ccm->cbcdr); - ipg_podf = (ahb_podf & MXC_CCM_CBCDR_IPG_PODF_MASK) >> - MXC_CCM_CBCDR_IPG_PODF_OFFSET; - ahb_podf = (ahb_podf & MXC_CCM_CBCDR_AHB_PODF_MASK) >> - MXC_CCM_CBCDR_AHB_PODF_OFFSET; - return get_periph_clk() / ((ahb_podf + 1) * (ipg_podf + 1)); -} - -/* - * Get the rate of ipg_per clock. - */ -static u32 get_ipg_per_clk(void) -{ - u32 pred1, pred2, podf; - - if (__raw_readl(&mxc_ccm->cbcmr) & MXC_CCM_CBCMR_PERCLK_IPG_CLK_SEL) - return get_ipg_clk(); - /* Fixme: not handle what about lpm*/ - podf = __raw_readl(&mxc_ccm->cbcdr); - pred1 = (podf & MXC_CCM_CBCDR_PERCLK_PRED1_MASK) >> - MXC_CCM_CBCDR_PERCLK_PRED1_OFFSET; - pred2 = (podf & MXC_CCM_CBCDR_PERCLK_PRED2_MASK) >> - MXC_CCM_CBCDR_PERCLK_PRED2_OFFSET; - podf = (podf & MXC_CCM_CBCDR_PERCLK_PODF_MASK) >> - MXC_CCM_CBCDR_PERCLK_PODF_OFFSET; - - return get_periph_clk() / ((pred1 + 1) * (pred2 + 1) * (podf + 1)); -} - -/* - * Get the rate of uart clk. - */ -static u32 get_uart_clk(void) -{ - unsigned int freq, reg, pred, podf; - - reg = __raw_readl(&mxc_ccm->cscmr1); - switch ((reg & MXC_CCM_CSCMR1_UART_CLK_SEL_MASK) >> - MXC_CCM_CSCMR1_UART_CLK_SEL_OFFSET) { - case 0x0: - freq = decode_pll(mxc_plls[PLL1_CLOCK], - CONFIG_MX51_HCLK_FREQ); - break; - case 0x1: - freq = decode_pll(mxc_plls[PLL2_CLOCK], - CONFIG_MX51_HCLK_FREQ); - break; - case 0x2: - freq = decode_pll(mxc_plls[PLL3_CLOCK], - CONFIG_MX51_HCLK_FREQ); - break; - default: - return 66500000; - } - - reg = __raw_readl(&mxc_ccm->cscdr1); - - pred = (reg & MXC_CCM_CSCDR1_UART_CLK_PRED_MASK) >> - MXC_CCM_CSCDR1_UART_CLK_PRED_OFFSET; - - podf = (reg & MXC_CCM_CSCDR1_UART_CLK_PODF_MASK) >> - MXC_CCM_CSCDR1_UART_CLK_PODF_OFFSET; - freq /= (pred + 1) * (podf + 1); - - return freq; -} - -/* - * This function returns the low power audio clock. - */ -u32 get_lp_apm(void) -{ - u32 ret_val = 0; - u32 ccsr = __raw_readl(&mxc_ccm->ccsr); - - if (((ccsr >> 9) & 1) == 0) - ret_val = CONFIG_MX51_HCLK_FREQ; - else - ret_val = ((32768 * 1024)); - - return ret_val; -} - -/* - * get cspi clock rate. - */ -u32 imx_get_cspiclk(void) -{ - u32 ret_val = 0, pdf, pre_pdf, clk_sel; - u32 cscmr1 = __raw_readl(&mxc_ccm->cscmr1); - u32 cscdr2 = __raw_readl(&mxc_ccm->cscdr2); - - pre_pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PRED_MASK) \ - >> MXC_CCM_CSCDR2_CSPI_CLK_PRED_OFFSET; - pdf = (cscdr2 & MXC_CCM_CSCDR2_CSPI_CLK_PODF_MASK) \ - >> MXC_CCM_CSCDR2_CSPI_CLK_PODF_OFFSET; - clk_sel = (cscmr1 & MXC_CCM_CSCMR1_CSPI_CLK_SEL_MASK) \ - >> MXC_CCM_CSCMR1_CSPI_CLK_SEL_OFFSET; - - switch (clk_sel) { - case 0: - ret_val = decode_pll(mxc_plls[PLL1_CLOCK], - CONFIG_MX51_HCLK_FREQ) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case 1: - ret_val = decode_pll(mxc_plls[PLL2_CLOCK], - CONFIG_MX51_HCLK_FREQ) / - ((pre_pdf + 1) * (pdf + 1)); - break; - case 2: - ret_val = decode_pll(mxc_plls[PLL3_CLOCK], - CONFIG_MX51_HCLK_FREQ) / - ((pre_pdf + 1) * (pdf + 1)); - break; - default: - ret_val = get_lp_apm() / ((pre_pdf + 1) * (pdf + 1)); - break; - } - - return ret_val; -} - -/* - * The API of get mxc clockes. - */ -unsigned int mxc_get_clock(enum mxc_clock clk) -{ - switch (clk) { - case MXC_ARM_CLK: - return get_mcu_main_clk(); - case MXC_AHB_CLK: - break; - case MXC_IPG_CLK: - return get_ipg_clk(); - case MXC_IPG_PERCLK: - return get_ipg_per_clk(); - case MXC_UART_CLK: - return get_uart_clk(); - case MXC_CSPI_CLK: - return imx_get_cspiclk(); - case MXC_FEC_CLK: - return decode_pll(mxc_plls[PLL1_CLOCK], - CONFIG_MX51_HCLK_FREQ); - default: - break; - } - return -1; -} - -u32 imx_get_uartclk(void) -{ - return get_uart_clk(); -} - - -u32 imx_get_fecclk(void) -{ - return mxc_get_clock(MXC_IPG_CLK); -} - -/* - * Dump some core clockes. - */ -int do_mx51_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) -{ - u32 freq; - - freq = decode_pll(mxc_plls[PLL1_CLOCK], CONFIG_MX51_HCLK_FREQ); - printf("mx51 pll1: %dMHz\n", freq / 1000000); - freq = decode_pll(mxc_plls[PLL2_CLOCK], CONFIG_MX51_HCLK_FREQ); - printf("mx51 pll2: %dMHz\n", freq / 1000000); - freq = decode_pll(mxc_plls[PLL3_CLOCK], CONFIG_MX51_HCLK_FREQ); - printf("mx51 pll3: %dMHz\n", freq / 1000000); - printf("ipg clock : %dHz\n", mxc_get_clock(MXC_IPG_CLK)); - printf("ipg per clock : %dHz\n", mxc_get_clock(MXC_IPG_PERCLK)); - - return 0; -} - -/***************************************************/ - -U_BOOT_CMD( - clockinfo, CONFIG_SYS_MAXARGS, 1, do_mx51_showclocks, - "display mx51 clocks\n", - "" -); diff --git a/cpu/arm_cortexa8/mx51/iomux.c b/cpu/arm_cortexa8/mx51/iomux.c deleted file mode 100644 index 62b2954be9..0000000000 --- a/cpu/arm_cortexa8/mx51/iomux.c +++ /dev/null @@ -1,166 +0,0 @@ -/* - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/mx51_pins.h> -#include <asm/arch/iomux.h> -#include <asm/arch/sys_proto.h> - -/* IOMUX register (base) addresses */ -enum iomux_reg_addr { - IOMUXGPR0 = IOMUXC_BASE_ADDR, - IOMUXGPR1 = IOMUXC_BASE_ADDR + 0x004, - IOMUXSW_MUX_CTL = IOMUXC_BASE_ADDR, - IOMUXSW_MUX_END = IOMUXC_BASE_ADDR + MUX_I_END, - IOMUXSW_PAD_CTL = IOMUXC_BASE_ADDR + PAD_I_START, - IOMUXSW_INPUT_CTL = IOMUXC_BASE_ADDR, -}; - -#define MUX_PIN_NUM_MAX (((MUX_I_END - MUX_I_START) >> 2) + 1) - -/* Get the iomux register address of this pin */ -static inline u32 get_mux_reg(iomux_pin_name_t pin) -{ - u32 mux_reg = PIN_TO_IOMUX_MUX(pin); - - if (is_soc_rev(CHIP_REV_2_0) < 0) { - /* - * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. - */ - if ((pin == MX51_PIN_NANDF_RB5) || - (pin == MX51_PIN_NANDF_RB6) || - (pin == MX51_PIN_NANDF_RB7)) - ; /* Do nothing */ - else if (mux_reg >= 0x2FC) - mux_reg += 8; - else if (mux_reg >= 0x130) - mux_reg += 0xC; - } - mux_reg += IOMUXSW_MUX_CTL; - return mux_reg; -} - -/* Get the pad register address of this pin */ -static inline u32 get_pad_reg(iomux_pin_name_t pin) -{ - u32 pad_reg = PIN_TO_IOMUX_PAD(pin); - - if (is_soc_rev(CHIP_REV_2_0) < 0) { - /* - * Fixup register address: - * i.MX51 TO1 has offset with the register - * which is define as TO2. - */ - if ((pin == MX51_PIN_NANDF_RB5) || - (pin == MX51_PIN_NANDF_RB6) || - (pin == MX51_PIN_NANDF_RB7)) - ; /* Do nothing */ - else if (pad_reg == 0x4D0 - PAD_I_START) - pad_reg += 0x4C; - else if (pad_reg == 0x860 - PAD_I_START) - pad_reg += 0x9C; - else if (pad_reg >= 0x804 - PAD_I_START) - pad_reg += 0xB0; - else if (pad_reg >= 0x7FC - PAD_I_START) - pad_reg += 0xB4; - else if (pad_reg >= 0x4E4 - PAD_I_START) - pad_reg += 0xCC; - else - pad_reg += 8; - } - pad_reg += IOMUXSW_PAD_CTL; - return pad_reg; -} - -/* Get the last iomux register address */ -static inline u32 get_mux_end(void) -{ - if (is_soc_rev(CHIP_REV_2_0) < 0) - return IOMUXC_BASE_ADDR + (0x3F8 - 4); - else - return IOMUXC_BASE_ADDR + (0x3F0 - 4); -} - -/* - * This function is used to configure a pin through the IOMUX module. - * @param pin a pin number as defined in iomux_pin_name_t - * @param cfg an output function as defined in iomux_pin_cfg_t - * - * @return 0 if successful; Non-zero otherwise - */ -static void iomux_config_mux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ - u32 mux_reg = get_mux_reg(pin); - - if ((mux_reg > get_mux_end()) || (mux_reg < IOMUXSW_MUX_CTL)) - return ; - if (cfg == IOMUX_CONFIG_GPIO) - writel(PIN_TO_ALT_GPIO(pin), mux_reg); - else - writel(cfg, mux_reg); -} - -/* - * Request ownership for an IO pin. This function has to be the first one - * being called before that pin is used. The caller has to check the - * return value to make sure it returns 0. - * - * @param pin a name defined by iomux_pin_name_t - * @param cfg an input function as defined in iomux_pin_cfg_t - * - */ -void mxc_request_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ - iomux_config_mux(pin, cfg); -} - -/* - * Release ownership for an IO pin - * - * @param pin a name defined by iomux_pin_name_t - * @param cfg an input function as defined in iomux_pin_cfg_t - */ -void mxc_free_iomux(iomux_pin_name_t pin, iomux_pin_cfg_t cfg) -{ -} - -/* - * This function configures the pad value for a IOMUX pin. - * - * @param pin a pin number as defined in iomux_pin_name_t - * @param config the ORed value of elements defined in iomux_pad_config_t - */ -void mxc_iomux_set_pad(iomux_pin_name_t pin, u32 config) -{ - u32 pad_reg = get_pad_reg(pin); - writel(config, pad_reg); -} - -unsigned int mxc_iomux_get_pad(iomux_pin_name_t pin) -{ - u32 pad_reg = get_pad_reg(pin); - return readl(pad_reg); -} diff --git a/cpu/arm_cortexa8/mx51/lowlevel_init.S b/cpu/arm_cortexa8/mx51/lowlevel_init.S deleted file mode 100644 index 31af9e2b58..0000000000 --- a/cpu/arm_cortexa8/mx51/lowlevel_init.S +++ /dev/null @@ -1,288 +0,0 @@ -/* - * Copyright (C) 2007, Guennadi Liakhovetski <lg@denx.de> - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/asm-offsets.h> - -/* - * L2CC Cache setup/invalidation/disable - */ -.macro init_l2cc - /* explicitly disable L2 cache */ - mrc 15, 0, r0, c1, c0, 1 - bic r0, r0, #0x2 - mcr 15, 0, r0, c1, c0, 1 - - /* reconfigure L2 cache aux control reg */ - mov r0, #0xC0 /* tag RAM */ - add r0, r0, #0x4 /* data RAM */ - orr r0, r0, #(1 << 24) /* disable write allocate delay */ - orr r0, r0, #(1 << 23) /* disable write allocate combine */ - orr r0, r0, #(1 << 22) /* disable write allocate */ - - cmp r3, #0x10 /* r3 contains the silicon rev */ - - /* disable write combine for TO 2 and lower revs */ - orrls r0, r0, #(1 << 25) - - mcr 15, 1, r0, c9, c0, 2 -.endm /* init_l2cc */ - -/* AIPS setup - Only setup MPROTx registers. - * The PACR default values are good.*/ -.macro init_aips - /* - * Set all MPROTx to be non-bufferable, trusted for R/W, - * not forced to user-mode. - */ - ldr r0, =AIPS1_BASE_ADDR - ldr r1, =0x77777777 - str r1, [r0, #0x0] - str r1, [r0, #0x4] - ldr r0, =AIPS2_BASE_ADDR - str r1, [r0, #0x0] - str r1, [r0, #0x4] - /* - * Clear the on and off peripheral modules Supervisor Protect bit - * for SDMA to access them. Did not change the AIPS control registers - * (offset 0x20) access type - */ -.endm /* init_aips */ - -/* M4IF setup */ -.macro init_m4if - /* VPU and IPU given higher priority (0x4) - * IPU accesses with ID=0x1 given highest priority (=0xA) - */ - ldr r0, =M4IF_BASE_ADDR - - ldr r1, =0x00000203 - str r1, [r0, #0x40] - - ldr r1, =0x0 - str r1, [r0, #0x44] - - ldr r1, =0x00120125 - str r1, [r0, #0x9C] - - ldr r1, =0x001901A3 - str r1, [r0, #0x48] - -.endm /* init_m4if */ - -.macro setup_pll pll, freq - ldr r2, =\pll - ldr r1, =0x00001232 - str r1, [r2, #PLL_DP_CTL] /* Set DPLL ON (set UPEN bit): BRMO=1 */ - mov r1, #0x2 - str r1, [r2, #PLL_DP_CONFIG] /* Enable auto-restart AREN bit */ - - str r3, [r2, #PLL_DP_OP] - str r3, [r2, #PLL_DP_HFS_OP] - - str r4, [r2, #PLL_DP_MFD] - str r4, [r2, #PLL_DP_HFS_MFD] - - str r5, [r2, #PLL_DP_MFN] - str r5, [r2, #PLL_DP_HFS_MFN] - - ldr r1, =0x00001232 - str r1, [r2, #PLL_DP_CTL] -1: ldr r1, [r2, #PLL_DP_CTL] - ands r1, r1, #0x1 - beq 1b -.endm - -.macro init_clock - ldr r0, =CCM_BASE_ADDR - - /* Gate of clocks to the peripherals first */ - ldr r1, =0x3FFFFFFF - str r1, [r0, #CLKCTL_CCGR0] - ldr r1, =0x0 - str r1, [r0, #CLKCTL_CCGR1] - str r1, [r0, #CLKCTL_CCGR2] - str r1, [r0, #CLKCTL_CCGR3] - - ldr r1, =0x00030000 - str r1, [r0, #CLKCTL_CCGR4] - ldr r1, =0x00FFF030 - str r1, [r0, #CLKCTL_CCGR5] - ldr r1, =0x00000300 - str r1, [r0, #CLKCTL_CCGR6] - - /* Disable IPU and HSC dividers */ - mov r1, #0x60000 - str r1, [r0, #CLKCTL_CCDR] - - /* Make sure to switch the DDR away from PLL 1 */ - ldr r1, =0x19239145 - str r1, [r0, #CLKCTL_CBCDR] - /* make sure divider effective */ -1: ldr r1, [r0, #CLKCTL_CDHIPR] - cmp r1, #0x0 - bne 1b - - /* Switch ARM to step clock */ - mov r1, #0x4 - str r1, [r0, #CLKCTL_CCSR] - mov r3, #DP_OP_800 - mov r4, #DP_MFD_800 - mov r5, #DP_MFN_800 - setup_pll PLL1_BASE_ADDR - - mov r3, #DP_OP_665 - mov r4, #DP_MFD_665 - mov r5, #DP_MFN_665 - setup_pll PLL3_BASE_ADDR - - /* Switch peripheral to PLL 3 */ - ldr r0, =CCM_BASE_ADDR - ldr r1, =0x000010C0 - str r1, [r0, #CLKCTL_CBCMR] - ldr r1, =0x13239145 - str r1, [r0, #CLKCTL_CBCDR] - mov r3, #DP_OP_665 - mov r4, #DP_MFD_665 - mov r5, #DP_MFN_665 - setup_pll PLL2_BASE_ADDR - - /* Switch peripheral to PLL2 */ - ldr r0, =CCM_BASE_ADDR - ldr r1, =0x19239145 - str r1, [r0, #CLKCTL_CBCDR] - ldr r1, =0x000020C0 - str r1, [r0, #CLKCTL_CBCMR] - - mov r3, #DP_OP_216 - mov r4, #DP_MFD_216 - mov r5, #DP_MFN_216 - setup_pll PLL3_BASE_ADDR - - - /* Set the platform clock dividers */ - ldr r0, =ARM_BASE_ADDR - ldr r1, =0x00000725 - str r1, [r0, #0x14] - - ldr r0, =CCM_BASE_ADDR - - /* Run 3.0 at Full speed, for other TO's wait till we increase VDDGP */ - ldr r1, =0x0 - ldr r3, [r1, #ROM_SI_REV] - cmp r3, #0x10 - movls r1, #0x1 - movhi r1, #0 - str r1, [r0, #CLKCTL_CACRR] - - /* Switch ARM back to PLL 1 */ - mov r1, #0 - str r1, [r0, #CLKCTL_CCSR] - - /* setup the rest */ - /* Use lp_apm (24MHz) source for perclk */ - ldr r1, =0x000020C2 - str r1, [r0, #CLKCTL_CBCMR] - /* ddr clock from PLL 1, all perclk dividers are 1 since using 24MHz */ - ldr r1, =0x59E35100 - str r1, [r0, #CLKCTL_CBCDR] - - /* Restore the default values in the Gate registers */ - ldr r1, =0xFFFFFFFF - str r1, [r0, #CLKCTL_CCGR0] - str r1, [r0, #CLKCTL_CCGR1] - str r1, [r0, #CLKCTL_CCGR2] - str r1, [r0, #CLKCTL_CCGR3] - str r1, [r0, #CLKCTL_CCGR4] - str r1, [r0, #CLKCTL_CCGR5] - str r1, [r0, #CLKCTL_CCGR6] - - /* Use PLL 2 for UART's, get 66.5MHz from it */ - ldr r1, =0xA5A2A020 - str r1, [r0, #CLKCTL_CSCMR1] - ldr r1, =0x00C30321 - str r1, [r0, #CLKCTL_CSCDR1] - - /* make sure divider effective */ -1: ldr r1, [r0, #CLKCTL_CDHIPR] - cmp r1, #0x0 - bne 1b - - mov r1, #0x0 - str r1, [r0, #CLKCTL_CCDR] - - /* for cko - for ARM div by 8 */ - mov r1, #0x000A0000 - add r1, r1, #0x00000F0 - str r1, [r0, #CLKCTL_CCOSR] -.endm - -.macro setup_wdog - ldr r0, =WDOG1_BASE_ADDR - mov r1, #0x30 - strh r1, [r0] -.endm - -.section ".text.init", "x" - -.globl lowlevel_init -lowlevel_init: - ldr r0, =GPIO1_BASE_ADDR - ldr r1, [r0, #0x0] - orr r1, r1, #(1 << 23) - str r1, [r0, #0x0] - ldr r1, [r0, #0x4] - orr r1, r1, #(1 << 23) - str r1, [r0, #0x4] - -#ifdef ENABLE_IMPRECISE_ABORT - mrs r1, spsr /* save old spsr */ - mrs r0, cpsr /* read out the cpsr */ - bic r0, r0, #0x100 /* clear the A bit */ - msr spsr, r0 /* update spsr */ - add lr, pc, #0x8 /* update lr */ - movs pc, lr /* update cpsr */ - nop - nop - nop - nop - msr spsr, r1 /* restore old spsr */ -#endif - - init_l2cc - - init_aips - - init_m4if - - init_clock - - /* r12 saved upper lr*/ - mov pc,lr - -/* Board level setting value */ -DDR_PERCHARGE_CMD: .word 0x04008008 -DDR_REFRESH_CMD: .word 0x00008010 -DDR_LMR1_W: .word 0x00338018 -DDR_LMR_CMD: .word 0xB2220000 -DDR_TIMING_W: .word 0xB02567A9 -DDR_MISC_W: .word 0x000A0104 diff --git a/cpu/arm_cortexa8/mx51/soc.c b/cpu/arm_cortexa8/mx51/soc.c deleted file mode 100644 index 2a139b21d5..0000000000 --- a/cpu/arm_cortexa8/mx51/soc.c +++ /dev/null @@ -1,114 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/clock.h> -#include <asm/errno.h> -#include <asm/io.h> - -#ifdef CONFIG_FSL_ESDHC -#include <fsl_esdhc.h> -#endif - -u32 get_cpu_rev(void) -{ - int reg; - int system_rev; - - reg = __raw_readl(ROM_SI_REV); - switch (reg) { - case 0x02: - system_rev = 0x51000 | CHIP_REV_1_1; - break; - case 0x10: - if ((__raw_readl(GPIO1_BASE_ADDR + 0x0) & (0x1 << 22)) == 0) - system_rev = 0x51000 | CHIP_REV_2_5; - else - system_rev = 0x51000 | CHIP_REV_2_0; - break; - case 0x20: - system_rev = 0x51000 | CHIP_REV_3_0; - break; - return system_rev; - default: - system_rev = 0x51000 | CHIP_REV_1_0; - break; - } - return system_rev; -} - - -#if defined(CONFIG_DISPLAY_CPUINFO) -int print_cpuinfo(void) -{ - u32 cpurev; - - cpurev = get_cpu_rev(); - printf("CPU: Freescale i.MX51 family %d.%dV at %d MHz\n", - (cpurev & 0xF0) >> 4, - (cpurev & 0x0F) >> 4, - mxc_get_clock(MXC_ARM_CLK) / 1000000); - return 0; -} -#endif - -/* - * Initializes on-chip ethernet controllers. - * to override, implement board_eth_init() - */ -#if defined(CONFIG_FEC_MXC) -extern int fecmxc_initialize(bd_t *bis); -#endif - -int cpu_eth_init(bd_t *bis) -{ - int rc = -ENODEV; - -#if defined(CONFIG_FEC_MXC) - rc = fecmxc_initialize(bis); -#endif - - return rc; -} - -/* - * Initializes on-chip MMC controllers. - * to override, implement board_mmc_init() - */ -int cpu_mmc_init(bd_t *bis) -{ -#ifdef CONFIG_FSL_ESDHC - return fsl_esdhc_mmc_init(bis); -#else - return 0; -#endif -} - - -void reset_cpu(ulong addr) -{ - __raw_writew(4, WDOG1_BASE_ADDR); -} diff --git a/cpu/arm_cortexa8/mx51/speed.c b/cpu/arm_cortexa8/mx51/speed.c deleted file mode 100644 index a444def7eb..0000000000 --- a/cpu/arm_cortexa8/mx51/speed.c +++ /dev/null @@ -1,39 +0,0 @@ -/* - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/arch/imx-regs.h> -#include <asm/arch/clock.h> - -int get_clocks(void) -{ - DECLARE_GLOBAL_DATA_PTR; - -#ifdef CONFIG_FSL_ESDHC - gd->sdhc_clk = mxc_get_clock(MXC_IPG_PERCLK); -#endif - return 0; -} diff --git a/cpu/arm_cortexa8/mx51/timer.c b/cpu/arm_cortexa8/mx51/timer.c deleted file mode 100644 index 8ecfec66da..0000000000 --- a/cpu/arm_cortexa8/mx51/timer.c +++ /dev/null @@ -1,119 +0,0 @@ -/* - * (C) Copyright 2007 - * Sascha Hauer, Pengutronix - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/imx-regs.h> - -/* General purpose timers registers */ -struct mxc_gpt { - unsigned int control; - unsigned int prescaler; - unsigned int status; - unsigned int nouse[6]; - unsigned int counter; -}; - -static struct mxc_gpt *cur_gpt = (struct mxc_gpt *)GPT1_BASE_ADDR; - -/* General purpose timers bitfields */ -#define GPTCR_SWR (1<<15) /* Software reset */ -#define GPTCR_FRR (1<<9) /* Freerun / restart */ -#define GPTCR_CLKSOURCE_32 (4<<6) /* Clock source */ -#define GPTCR_TEN (1) /* Timer enable */ - -static ulong timestamp; -static ulong lastinc; - -int timer_init(void) -{ - int i; - - /* setup GP Timer 1 */ - __raw_writel(GPTCR_SWR, &cur_gpt->control); - - /* We have no udelay by now */ - for (i = 0; i < 100; i++) - __raw_writel(0, &cur_gpt->control); - - __raw_writel(0, &cur_gpt->prescaler); /* 32Khz */ - - /* Freerun Mode, PERCLK1 input */ - i = __raw_readl(&cur_gpt->control); - __raw_writel(i | GPTCR_CLKSOURCE_32 | GPTCR_TEN, &cur_gpt->control); - reset_timer_masked(); - return 0; -} - -void reset_timer(void) -{ - reset_timer_masked(); -} - -void reset_timer_masked(void) -{ - ulong val = __raw_readl(&cur_gpt->counter); - lastinc = val / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ); - timestamp = 0; -} - -ulong get_timer_masked(void) -{ - ulong val = __raw_readl(&cur_gpt->counter); - val /= (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ); - if (val >= lastinc) - timestamp += (val - lastinc); - else - timestamp += ((0xFFFFFFFF / (CONFIG_MX51_CLK32 / CONFIG_SYS_HZ)) - - lastinc) + val; - lastinc = val; - return val; -} - -ulong get_timer(ulong base) -{ - return get_timer_masked() - base; -} - -void set_timer(ulong t) -{ - timestamp = t; -} - -/* delay x useconds AND perserve advance timstamp value */ -void __udelay(unsigned long usec) -{ - unsigned long now, start, tmo; - tmo = usec * (CONFIG_MX51_CLK32 / 1000) / 1000; - - if (!tmo) - tmo = 1; - - now = start = readl(&cur_gpt->counter); - - while ((now - start) < tmo) - now = readl(&cur_gpt->counter); - -} diff --git a/cpu/arm_cortexa8/mx51/u-boot.lds b/cpu/arm_cortexa8/mx51/u-boot.lds deleted file mode 100644 index 84c173ac71..0000000000 --- a/cpu/arm_cortexa8/mx51/u-boot.lds +++ /dev/null @@ -1,61 +0,0 @@ -/* - * January 2004 - Changed to support H4 device - * Copyright (c) 2004 Texas Instruments - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * (C) Copyright 2009 Freescale Semiconductor, Inc. - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - cpu/arm_cortexa8/start.o - *(.text) - } - - . = ALIGN(4); - .rodata : { *(.rodata) } - - . = ALIGN(4); - .data : { *(.data) } - - . = ALIGN(4); - .got : { *(.got) } - - . = .; - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - __bss_start = .; - .bss : { *(.bss) } - _end = .; -} diff --git a/cpu/arm_cortexa8/omap3/Makefile b/cpu/arm_cortexa8/omap3/Makefile deleted file mode 100644 index 136b163ad7..0000000000 --- a/cpu/arm_cortexa8/omap3/Makefile +++ /dev/null @@ -1,55 +0,0 @@ -# -# (C) Copyright 2000-2003 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).a - -SOBJS := lowlevel_init.o -SOBJS += cache.o -SOBJS += reset.o - -COBJS += board.o -COBJS += clock.o -COBJS += gpio.o -COBJS += mem.o -COBJS += syslib.o -COBJS += sys_info.o -COBJS += timer.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/cpu/arm_cortexa8/omap3/board.c b/cpu/arm_cortexa8/omap3/board.c deleted file mode 100644 index 7b78fa448b..0000000000 --- a/cpu/arm_cortexa8/omap3/board.c +++ /dev/null @@ -1,361 +0,0 @@ -/* - * - * Common board functions for OMAP3 based boards. - * - * (C) Copyright 2004-2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Sunil Kumar <sunilsaini05@gmail.com> - * Shashi Ranjan <shashiranjanmca05@gmail.com> - * - * Derived from Beagle Board and 3430 SDP code by - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> -#include <asm/io.h> -#include <asm/arch/sys_proto.h> -#include <asm/arch/mem.h> -#include <asm/cache.h> - -extern omap3_sysinfo sysinfo; - -extern u32 is_mem_sdr(void); - -/****************************************************************************** - * Routine: delay - * Description: spinning delay to use before udelay works - *****************************************************************************/ -static inline void delay(unsigned long loops) -{ - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0"(loops)); -} - -/****************************************************************************** - * Routine: secure_unlock - * Description: Setup security registers for access - * (GP Device only) - *****************************************************************************/ -void secure_unlock_mem(void) -{ - struct pm *pm_rt_ape_base = (struct pm *)PM_RT_APE_BASE_ADDR_ARM; - struct pm *pm_gpmc_base = (struct pm *)PM_GPMC_BASE_ADDR_ARM; - struct pm *pm_ocm_ram_base = (struct pm *)PM_OCM_RAM_BASE_ADDR_ARM; - struct pm *pm_iva2_base = (struct pm *)PM_IVA2_BASE_ADDR_ARM; - struct sms *sms_base = (struct sms *)OMAP34XX_SMS_BASE; - - /* Protection Module Register Target APE (PM_RT) */ - writel(UNLOCK_1, &pm_rt_ape_base->req_info_permission_1); - writel(UNLOCK_1, &pm_rt_ape_base->read_permission_0); - writel(UNLOCK_1, &pm_rt_ape_base->wirte_permission_0); - writel(UNLOCK_2, &pm_rt_ape_base->addr_match_1); - - writel(UNLOCK_3, &pm_gpmc_base->req_info_permission_0); - writel(UNLOCK_3, &pm_gpmc_base->read_permission_0); - writel(UNLOCK_3, &pm_gpmc_base->wirte_permission_0); - - writel(UNLOCK_3, &pm_ocm_ram_base->req_info_permission_0); - writel(UNLOCK_3, &pm_ocm_ram_base->read_permission_0); - writel(UNLOCK_3, &pm_ocm_ram_base->wirte_permission_0); - writel(UNLOCK_2, &pm_ocm_ram_base->addr_match_2); - - /* IVA Changes */ - writel(UNLOCK_3, &pm_iva2_base->req_info_permission_0); - writel(UNLOCK_3, &pm_iva2_base->read_permission_0); - writel(UNLOCK_3, &pm_iva2_base->wirte_permission_0); - - /* SDRC region 0 public */ - writel(UNLOCK_1, &sms_base->rg_att0); -} - -/****************************************************************************** - * Routine: secureworld_exit() - * Description: If chip is EMU and boot type is external - * configure secure registers and exit secure world - * general use. - *****************************************************************************/ -void secureworld_exit() -{ - unsigned long i; - - /* configrue non-secure access control register */ - __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 2":"=r"(i)); - /* enabling co-processor CP10 and CP11 accesses in NS world */ - __asm__ __volatile__("orr %0, %0, #0xC00":"=r"(i)); - /* - * allow allocation of locked TLBs and L2 lines in NS world - * allow use of PLE registers in NS world also - */ - __asm__ __volatile__("orr %0, %0, #0x70000":"=r"(i)); - __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 2":"=r"(i)); - - /* Enable ASA in ACR register */ - __asm__ __volatile__("mrc p15, 0, %0, c1, c0, 1":"=r"(i)); - __asm__ __volatile__("orr %0, %0, #0x10":"=r"(i)); - __asm__ __volatile__("mcr p15, 0, %0, c1, c0, 1":"=r"(i)); - - /* Exiting secure world */ - __asm__ __volatile__("mrc p15, 0, %0, c1, c1, 0":"=r"(i)); - __asm__ __volatile__("orr %0, %0, #0x31":"=r"(i)); - __asm__ __volatile__("mcr p15, 0, %0, c1, c1, 0":"=r"(i)); -} - -/****************************************************************************** - * Routine: setup_auxcr() - * Description: Write to AuxCR desired value using SMI. - * general use. - *****************************************************************************/ -void setup_auxcr() -{ - unsigned long i; - volatile unsigned int j; - /* Save r0, r12 and restore them after usage */ - __asm__ __volatile__("mov %0, r12":"=r"(j)); - __asm__ __volatile__("mov %0, r0":"=r"(i)); - - /* - * GP Device ROM code API usage here - * r12 = AUXCR Write function and r0 value - */ - __asm__ __volatile__("mov r12, #0x3"); - __asm__ __volatile__("mrc p15, 0, r0, c1, c0, 1"); - /* Enabling ASA */ - __asm__ __volatile__("orr r0, r0, #0x10"); - /* Enable L1NEON */ - __asm__ __volatile__("orr r0, r0, #1 << 5"); - /* SMI instruction to call ROM Code API */ - __asm__ __volatile__(".word 0xE1600070"); - /* Set PLD_FWD bit in L2AUXCR (Cortex-A8 erratum 725233 workaround) */ - __asm__ __volatile__("mov r12, #0x2"); - __asm__ __volatile__("mrc p15, 1, r0, c9, c0, 2"); - __asm__ __volatile__("orr r0, r0, #1 << 27"); - /* SMI instruction to call ROM Code API */ - __asm__ __volatile__(".word 0xE1600070"); - __asm__ __volatile__("mov r0, %0":"=r"(i)); - __asm__ __volatile__("mov r12, %0":"=r"(j)); -} - -/****************************************************************************** - * Routine: try_unlock_sram() - * Description: If chip is GP/EMU(special) type, unlock the SRAM for - * general use. - *****************************************************************************/ -void try_unlock_memory() -{ - int mode; - int in_sdram = is_running_in_sdram(); - - /* - * if GP device unlock device SRAM for general use - * secure code breaks for Secure/Emulation device - HS/E/T - */ - mode = get_device_type(); - if (mode == GP_DEVICE) - secure_unlock_mem(); - - /* - * If device is EMU and boot is XIP external booting - * Unlock firewalls and disable L2 and put chip - * out of secure world - * - * Assuming memories are unlocked by the demon who put us in SDRAM - */ - if ((mode <= EMU_DEVICE) && (get_boot_type() == 0x1F) - && (!in_sdram)) { - secure_unlock_mem(); - secureworld_exit(); - } - - return; -} - -/****************************************************************************** - * Routine: s_init - * Description: Does early system init of muxing and clocks. - * - Called path is with SRAM stack. - *****************************************************************************/ -void s_init(void) -{ - int in_sdram = is_running_in_sdram(); - - watchdog_init(); - - try_unlock_memory(); - - /* - * Right now flushing at low MPU speed. - * Need to move after clock init - */ - invalidate_dcache(get_device_type()); -#ifndef CONFIG_ICACHE_OFF - icache_enable(); -#endif - -#ifdef CONFIG_L2_OFF - l2_cache_disable(); -#else - l2_cache_enable(); -#endif - /* - * Writing to AuxCR in U-boot using SMI for GP DEV - * Currently SMI in Kernel on ES2 devices seems to have an issue - * Once that is resolved, we can postpone this config to kernel - */ - if (get_device_type() == GP_DEVICE) - setup_auxcr(); - - set_muxconf_regs(); - delay(100); - - prcm_init(); - - per_clocks_enable(); - - if (!in_sdram) - sdrc_init(); -} - -/****************************************************************************** - * Routine: wait_for_command_complete - * Description: Wait for posting to finish on watchdog - *****************************************************************************/ -void wait_for_command_complete(struct watchdog *wd_base) -{ - int pending = 1; - do { - pending = readl(&wd_base->wwps); - } while (pending); -} - -/****************************************************************************** - * Routine: watchdog_init - * Description: Shut down watch dogs - *****************************************************************************/ -void watchdog_init(void) -{ - struct watchdog *wd2_base = (struct watchdog *)WD2_BASE; - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - - /* - * There are 3 watch dogs WD1=Secure, WD2=MPU, WD3=IVA. WD1 is - * either taken care of by ROM (HS/EMU) or not accessible (GP). - * We need to take care of WD2-MPU or take a PRCM reset. WD3 - * should not be running and does not generate a PRCM reset. - */ - - sr32(&prcm_base->fclken_wkup, 5, 1, 1); - sr32(&prcm_base->iclken_wkup, 5, 1, 1); - wait_on_value(ST_WDT2, 0x20, &prcm_base->idlest_wkup, 5); - - writel(WD_UNLOCK1, &wd2_base->wspr); - wait_for_command_complete(wd2_base); - writel(WD_UNLOCK2, &wd2_base->wspr); -} - -/****************************************************************************** - * Routine: dram_init - * Description: sets uboots idea of sdram size - *****************************************************************************/ -int dram_init(void) -{ - DECLARE_GLOBAL_DATA_PTR; - unsigned int size0 = 0, size1 = 0; - - /* - * If a second bank of DDR is attached to CS1 this is - * where it can be started. Early init code will init - * memory on CS0. - */ - if ((sysinfo.mtype == DDR_COMBO) || (sysinfo.mtype == DDR_STACKED)) { - do_sdrc_init(CS1, NOT_EARLY); - make_cs1_contiguous(); - } - - size0 = get_sdr_cs_size(CS0); - size1 = get_sdr_cs_size(CS1); - - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = size0; - gd->bd->bi_dram[1].start = PHYS_SDRAM_1 + get_sdr_cs_offset(CS1); - gd->bd->bi_dram[1].size = size1; - - return 0; -} - -/****************************************************************************** - * Dummy function to handle errors for EABI incompatibility - *****************************************************************************/ -void abort(void) -{ -} - -#ifdef CONFIG_NAND_OMAP_GPMC -/****************************************************************************** - * OMAP3 specific command to switch between NAND HW and SW ecc - *****************************************************************************/ -static int do_switch_ecc(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) -{ - if (argc != 2) - goto usage; - if (strncmp(argv[1], "hw", 2) == 0) - omap_nand_switch_ecc(1); - else if (strncmp(argv[1], "sw", 2) == 0) - omap_nand_switch_ecc(0); - else - goto usage; - - return 0; - -usage: - printf ("Usage: nandecc %s\n", cmdtp->usage); - return 1; -} - -U_BOOT_CMD( - nandecc, 2, 1, do_switch_ecc, - "switch OMAP3 NAND ECC calculation algorithm", - "[hw/sw] - Switch between NAND hardware (hw) or software (sw) ecc algorithm" -); - -#endif /* CONFIG_NAND_OMAP_GPMC */ - -#ifdef CONFIG_DISPLAY_BOARDINFO -/** - * Print board information - */ -int checkboard (void) -{ - char *mem_s ; - - if (is_mem_sdr()) - mem_s = "mSDR"; - else - mem_s = "LPDDR"; - - printf("%s + %s/%s\n", sysinfo.board_string, mem_s, - sysinfo.nand_string); - - return 0; -} -#endif /* CONFIG_DISPLAY_BOARDINFO */ diff --git a/cpu/arm_cortexa8/omap3/cache.S b/cpu/arm_cortexa8/omap3/cache.S deleted file mode 100644 index 0f63815359..0000000000 --- a/cpu/arm_cortexa8/omap3/cache.S +++ /dev/null @@ -1,191 +0,0 @@ -/* - * Copyright (c) 2009 Wind River Systems, Inc. - * Tom Rix <Tom.Rix@windriver.com> - * - * This file is based on and replaces the existing cache.c file - * The copyrights for the cache.c file are: - * - * (C) Copyright 2008 Texas Insturments - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <gj@denx.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <asm/arch/omap3.h> - -/* - * omap3 cache code - */ - -.align 5 -.global invalidate_dcache -.global l2_cache_enable -.global l2_cache_disable - -/* - * invalidate_dcache() - * - * Invalidate the whole D-cache. - * - * Corrupted registers: r0-r5, r7, r9-r11 - * - * - mm - mm_struct describing address space - */ -invalidate_dcache: - stmfd r13!, {r0 - r5, r7, r9 - r12, r14} - - mov r7, r0 @ take a backup of device type - cmp r0, #0x3 @ check if the device type is - @ GP - moveq r12, #0x1 @ set up to invalide L2 -smi: .word 0x01600070 @ Call SMI monitor (smieq) - cmp r7, #0x3 @ compare again in case its - @ lost - beq finished_inval @ if GP device, inval done - @ above - - mrc p15, 1, r0, c0, c0, 1 @ read clidr - ands r3, r0, #0x7000000 @ extract loc from clidr - mov r3, r3, lsr #23 @ left align loc bit field - beq finished_inval @ if loc is 0, then no need to - @ clean - mov r10, #0 @ start clean at cache level 0 -inval_loop1: - add r2, r10, r10, lsr #1 @ work out 3x current cache - @ level - mov r1, r0, lsr r2 @ extract cache type bits from - @ clidr - and r1, r1, #7 @ mask of the bits for current - @ cache only - cmp r1, #2 @ see what cache we have at - @ this level - blt skip_inval @ skip if no cache, or just - @ i-cache - mcr p15, 2, r10, c0, c0, 0 @ select current cache level - @ in cssr - mov r2, #0 @ operand for mcr SBZ - mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to - @ sych the new cssr&csidr, - @ with armv7 this is 'isb', - @ but we compile with armv5 - mrc p15, 1, r1, c0, c0, 0 @ read the new csidr - and r2, r1, #7 @ extract the length of the - @ cache lines - add r2, r2, #4 @ add 4 (line length offset) - ldr r4, =0x3ff - ands r4, r4, r1, lsr #3 @ find maximum number on the - @ way size - clz r5, r4 @ find bit position of way - @ size increment - ldr r7, =0x7fff - ands r7, r7, r1, lsr #13 @ extract max number of the - @ index size -inval_loop2: - mov r9, r4 @ create working copy of max - @ way size -inval_loop3: - orr r11, r10, r9, lsl r5 @ factor way and cache number - @ into r11 - orr r11, r11, r7, lsl r2 @ factor index number into r11 - mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way - subs r9, r9, #1 @ decrement the way - bge inval_loop3 - subs r7, r7, #1 @ decrement the index - bge inval_loop2 -skip_inval: - add r10, r10, #2 @ increment cache number - cmp r3, r10 - bgt inval_loop1 -finished_inval: - mov r10, #0 @ swith back to cache level 0 - mcr p15, 2, r10, c0, c0, 0 @ select current cache level - @ in cssr - mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer, - @ with armv7 this is 'isb', - @ but we compile with armv5 - - ldmfd r13!, {r0 - r5, r7, r9 - r12, pc} - - -l2_cache_enable: - push {r0, r1, r2, lr} - @ ES2 onwards we can disable/enable L2 ourselves - bl get_cpu_rev - cmp r0, #CPU_3XX_ES20 - blt l2_cache_disable_EARLIER_THAN_ES2 - mrc 15, 0, r3, cr1, cr0, 1 - orr r3, r3, #2 - mcr 15, 0, r3, cr1, cr0, 1 - b l2_cache_enable_END -l2_cache_enable_EARLIER_THAN_ES2: - @ Save r0, r12 and restore them after usage - mov r3, ip - str r3, [sp, #4] - mov r3, r0 - @ - @ GP Device ROM code API usage here - @ r12 = AUXCR Write function and r0 value - @ - mov ip, #3 - mrc 15, 0, r0, cr1, cr0, 1 - orr r0, r0, #2 - @ SMI instruction to call ROM Code API - .word 0xe1600070 - mov r0, r3 - mov ip, r3 - str r3, [sp, #4] -l2_cache_enable_END: - pop {r1, r2, r3, pc} - - -l2_cache_disable: - push {r0, r1, r2, lr} - @ ES2 onwards we can disable/enable L2 ourselves - bl get_cpu_rev - cmp r0, #CPU_3XX_ES20 - blt l2_cache_disable_EARLIER_THAN_ES2 - mrc 15, 0, r3, cr1, cr0, 1 - bic r3, r3, #2 - mcr 15, 0, r3, cr1, cr0, 1 - b l2_cache_disable_END -l2_cache_disable_EARLIER_THAN_ES2: - @ Save r0, r12 and restore them after usage - mov r3, ip - str r3, [sp, #4] - mov r3, r0 - @ - @ GP Device ROM code API usage here - @ r12 = AUXCR Write function and r0 value - @ - mov ip, #3 - mrc 15, 0, r0, cr1, cr0, 1 - bic r0, r0, #2 - @ SMI instruction to call ROM Code API - .word 0xe1600070 - mov r0, r3 - mov ip, r3 - str r3, [sp, #4] -l2_cache_disable_END: - pop {r1, r2, r3, pc} diff --git a/cpu/arm_cortexa8/omap3/clock.c b/cpu/arm_cortexa8/omap3/clock.c deleted file mode 100644 index 6330c9e5da..0000000000 --- a/cpu/arm_cortexa8/omap3/clock.c +++ /dev/null @@ -1,416 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Manikandan Pillai <mani.pillai@ti.com> - * - * Derived from Beagle Board and OMAP3 SDP code by - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/clocks.h> -#include <asm/arch/clocks_omap3.h> -#include <asm/arch/mem.h> -#include <asm/arch/sys_proto.h> -#include <environment.h> -#include <command.h> - -/****************************************************************************** - * get_sys_clk_speed() - determine reference oscillator speed - * based on known 32kHz clock and gptimer. - *****************************************************************************/ -u32 get_osc_clk_speed(void) -{ - u32 start, cstart, cend, cdiff, cdiv, val; - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - struct prm *prm_base = (struct prm *)PRM_BASE; - struct gptimer *gpt1_base = (struct gptimer *)OMAP34XX_GPT1; - struct s32ktimer *s32k_base = (struct s32ktimer *)SYNC_32KTIMER_BASE; - - val = readl(&prm_base->clksrc_ctrl); - - if (val & SYSCLKDIV_2) - cdiv = 2; - else if (val & SYSCLKDIV_1) - cdiv = 1; - else - /* - * Should never reach here! (Assume divider as 1) - */ - cdiv = 1; - - /* enable timer2 */ - val = readl(&prcm_base->clksel_wkup) | CLKSEL_GPT1; - - /* select sys_clk for GPT1 */ - writel(val, &prcm_base->clksel_wkup); - - /* Enable I and F Clocks for GPT1 */ - val = readl(&prcm_base->iclken_wkup) | EN_GPT1 | EN_32KSYNC; - writel(val, &prcm_base->iclken_wkup); - - val = readl(&prcm_base->fclken_wkup) | EN_GPT1; - writel(val, &prcm_base->fclken_wkup); - - writel(0, &gpt1_base->tldr); /* start counting at 0 */ - writel(GPT_EN, &gpt1_base->tclr); /* enable clock */ - - /* enable 32kHz source, determine sys_clk via gauging */ - - /* start time in 20 cycles */ - start = 20 + readl(&s32k_base->s32k_cr); - - /* dead loop till start time */ - while (readl(&s32k_base->s32k_cr) < start); - - /* get start sys_clk count */ - cstart = readl(&gpt1_base->tcrr); - - /* wait for 40 cycles */ - while (readl(&s32k_base->s32k_cr) < (start + 20)) ; - cend = readl(&gpt1_base->tcrr); /* get end sys_clk count */ - cdiff = cend - cstart; /* get elapsed ticks */ - - if (cdiv == 2) - { - cdiff *= 2; - } - - /* based on number of ticks assign speed */ - if (cdiff > 19000) - return S38_4M; - else if (cdiff > 15200) - return S26M; - else if (cdiff > 13000) - return S24M; - else if (cdiff > 9000) - return S19_2M; - else if (cdiff > 7600) - return S13M; - else - return S12M; -} - -/****************************************************************************** - * get_sys_clkin_sel() - returns the sys_clkin_sel field value based on - * input oscillator clock frequency. - *****************************************************************************/ -void get_sys_clkin_sel(u32 osc_clk, u32 *sys_clkin_sel) -{ - switch(osc_clk) { - case S38_4M: - *sys_clkin_sel = 4; - break; - case S26M: - *sys_clkin_sel = 3; - break; - case S19_2M: - *sys_clkin_sel = 2; - break; - case S13M: - *sys_clkin_sel = 1; - break; - case S12M: - default: - *sys_clkin_sel = 0; - } -} - -/****************************************************************************** - * prcm_init() - inits clocks for PRCM as defined in clocks.h - * called from SRAM, or Flash (using temp SRAM stack). - *****************************************************************************/ -void prcm_init(void) -{ - void (*f_lock_pll) (u32, u32, u32, u32); - int xip_safe, p0, p1, p2, p3; - u32 osc_clk = 0, sys_clkin_sel; - u32 clk_index, sil_index = 0; - struct prm *prm_base = (struct prm *)PRM_BASE; - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - dpll_param *dpll_param_p; - - f_lock_pll = (void *) ((u32) &_end_vect - (u32) &_start + - SRAM_VECT_CODE); - - xip_safe = is_running_in_sram(); - - /* - * Gauge the input clock speed and find out the sys_clkin_sel - * value corresponding to the input clock. - */ - osc_clk = get_osc_clk_speed(); - get_sys_clkin_sel(osc_clk, &sys_clkin_sel); - - /* set input crystal speed */ - sr32(&prm_base->clksel, 0, 3, sys_clkin_sel); - - /* If the input clock is greater than 19.2M always divide/2 */ - if (sys_clkin_sel > 2) { - /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 2); - clk_index = sys_clkin_sel / 2; - } else { - /* input clock divider */ - sr32(&prm_base->clksrc_ctrl, 6, 2, 1); - clk_index = sys_clkin_sel; - } - - /* - * The DPLL tables are defined according to sysclk value and - * silicon revision. The clk_index value will be used to get - * the values for that input sysclk from the DPLL param table - * and sil_index will get the values for that SysClk for the - * appropriate silicon rev. - */ - if (get_cpu_rev()) - sil_index = 1; - - /* Unlock MPU DPLL (slows things down, and needed later) */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOW_POWER_BYPASS); - wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu, LDELAY); - - /* Getting the base address of Core DPLL param table */ - dpll_param_p = (dpll_param *) get_core_dpll_param(); - - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + 3 * clk_index + sil_index; - if (xip_safe) { - /* - * CORE DPLL - * sr32(CM_CLKSEL2_EMU) set override to work when asleep - */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_FAST_RELOCK_BYPASS); - wait_on_value(ST_CORE_CLK, 0, &prcm_base->idlest_ckgen, - LDELAY); - - /* - * For OMAP3 ES1.0 Errata 1.50, default value directly doesn't - * work. write another value and then default value. - */ - - /* m3x2 */ - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2 + 1); - /* m3x2 */ - sr32(&prcm_base->clksel1_emu, 16, 5, CORE_M3X2); - /* Set M2 */ - sr32(&prcm_base->clksel1_pll, 27, 2, dpll_param_p->m2); - /* Set M */ - sr32(&prcm_base->clksel1_pll, 16, 11, dpll_param_p->m); - /* Set N */ - sr32(&prcm_base->clksel1_pll, 8, 7, dpll_param_p->n); - /* 96M Src */ - sr32(&prcm_base->clksel1_pll, 6, 1, 0); - /* ssi */ - sr32(&prcm_base->clksel_core, 8, 4, CORE_SSI_DIV); - /* fsusb */ - sr32(&prcm_base->clksel_core, 4, 2, CORE_FUSB_DIV); - /* l4 */ - sr32(&prcm_base->clksel_core, 2, 2, CORE_L4_DIV); - /* l3 */ - sr32(&prcm_base->clksel_core, 0, 2, CORE_L3_DIV); - /* gfx */ - sr32(&prcm_base->clksel_gfx, 0, 3, GFX_DIV); - /* reset mgr */ - sr32(&prcm_base->clksel_wkup, 1, 2, WKUP_RSM); - /* FREQSEL */ - sr32(&prcm_base->clken_pll, 4, 4, dpll_param_p->fsel); - /* lock mode */ - sr32(&prcm_base->clken_pll, 0, 3, PLL_LOCK); - - wait_on_value(ST_CORE_CLK, 1, &prcm_base->idlest_ckgen, - LDELAY); - } else if (is_running_in_flash()) { - /* - * if running from flash, jump to small relocated code - * area in SRAM. - */ - p0 = readl(&prcm_base->clken_pll); - sr32(&p0, 0, 3, PLL_FAST_RELOCK_BYPASS); - sr32(&p0, 4, 4, dpll_param_p->fsel); /* FREQSEL */ - - p1 = readl(&prcm_base->clksel1_pll); - sr32(&p1, 27, 2, dpll_param_p->m2); /* Set M2 */ - sr32(&p1, 16, 11, dpll_param_p->m); /* Set M */ - sr32(&p1, 8, 7, dpll_param_p->n); /* Set N */ - sr32(&p1, 6, 1, 0); /* set source for 96M */ - - p2 = readl(&prcm_base->clksel_core); - sr32(&p2, 8, 4, CORE_SSI_DIV); /* ssi */ - sr32(&p2, 4, 2, CORE_FUSB_DIV); /* fsusb */ - sr32(&p2, 2, 2, CORE_L4_DIV); /* l4 */ - sr32(&p2, 0, 2, CORE_L3_DIV); /* l3 */ - - p3 = (u32)&prcm_base->idlest_ckgen; - - (*f_lock_pll) (p0, p1, p2, p3); - } - - /* PER DPLL */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_STOP); - wait_on_value(ST_PERIPH_CLK, 0, &prcm_base->idlest_ckgen, LDELAY); - - /* Getting the base address to PER DPLL param table */ - - /* Set N */ - dpll_param_p = (dpll_param *) get_per_dpll_param(); - - /* Moving it to the right sysclk base */ - dpll_param_p = dpll_param_p + clk_index; - - /* - * Errata 1.50 Workaround for OMAP3 ES1.0 only - * If using default divisors, write default divisor + 1 - * and then the actual divisor value - */ - sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2 + 1); /* set M6 */ - sr32(&prcm_base->clksel1_emu, 24, 5, PER_M6X2); /* set M6 */ - sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2 + 1); /* set M5 */ - sr32(&prcm_base->clksel_cam, 0, 5, PER_M5X2); /* set M5 */ - sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2 + 1); /* set M4 */ - sr32(&prcm_base->clksel_dss, 0, 5, PER_M4X2); /* set M4 */ - sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2 + 1); /* set M3 */ - sr32(&prcm_base->clksel_dss, 8, 5, PER_M3X2); /* set M3 */ - sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2 + 1); /* set M2 */ - sr32(&prcm_base->clksel3_pll, 0, 5, dpll_param_p->m2); /* set M2 */ - /* Workaround end */ - - sr32(&prcm_base->clksel2_pll, 8, 11, dpll_param_p->m); /* set m */ - sr32(&prcm_base->clksel2_pll, 0, 7, dpll_param_p->n); /* set n */ - sr32(&prcm_base->clken_pll, 20, 4, dpll_param_p->fsel); /* FREQSEL */ - sr32(&prcm_base->clken_pll, 16, 3, PLL_LOCK); /* lock mode */ - wait_on_value(ST_PERIPH_CLK, 2, &prcm_base->idlest_ckgen, LDELAY); - - /* Getting the base address to MPU DPLL param table */ - dpll_param_p = (dpll_param *) get_mpu_dpll_param(); - - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + 3 * clk_index + sil_index; - - /* MPU DPLL (unlocked already) */ - - /* Set M2 */ - sr32(&prcm_base->clksel2_pll_mpu, 0, 5, dpll_param_p->m2); - /* Set M */ - sr32(&prcm_base->clksel1_pll_mpu, 8, 11, dpll_param_p->m); - /* Set N */ - sr32(&prcm_base->clksel1_pll_mpu, 0, 7, dpll_param_p->n); - /* FREQSEL */ - sr32(&prcm_base->clken_pll_mpu, 4, 4, dpll_param_p->fsel); - /* lock mode */ - sr32(&prcm_base->clken_pll_mpu, 0, 3, PLL_LOCK); - wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu, LDELAY); - - /* Getting the base address to IVA DPLL param table */ - dpll_param_p = (dpll_param *) get_iva_dpll_param(); - - /* Moving it to the right sysclk and ES rev base */ - dpll_param_p = dpll_param_p + 3 * clk_index + sil_index; - - /* IVA DPLL (set to 12*20=240MHz) */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_STOP); - wait_on_value(ST_IVA2_CLK, 0, &prcm_base->idlest_pll_iva2, LDELAY); - /* set M2 */ - sr32(&prcm_base->clksel2_pll_iva2, 0, 5, dpll_param_p->m2); - /* set M */ - sr32(&prcm_base->clksel1_pll_iva2, 8, 11, dpll_param_p->m); - /* set N */ - sr32(&prcm_base->clksel1_pll_iva2, 0, 7, dpll_param_p->n); - /* FREQSEL */ - sr32(&prcm_base->clken_pll_iva2, 4, 4, dpll_param_p->fsel); - /* lock mode */ - sr32(&prcm_base->clken_pll_iva2, 0, 3, PLL_LOCK); - wait_on_value(ST_IVA2_CLK, 1, &prcm_base->idlest_pll_iva2, LDELAY); - - /* Set up GPTimers to sys_clk source only */ - sr32(&prcm_base->clksel_per, 0, 8, 0xff); - sr32(&prcm_base->clksel_wkup, 0, 1, 1); - - sdelay(5000); -} - -/****************************************************************************** - * peripheral_enable() - Enable the clks & power for perifs (GPT2, UART1,...) - *****************************************************************************/ -void per_clocks_enable(void) -{ - struct prcm *prcm_base = (struct prcm *)PRCM_BASE; - - /* Enable GP2 timer. */ - sr32(&prcm_base->clksel_per, 0, 1, 0x1); /* GPT2 = sys clk */ - sr32(&prcm_base->iclken_per, 3, 1, 0x1); /* ICKen GPT2 */ - sr32(&prcm_base->fclken_per, 3, 1, 0x1); /* FCKen GPT2 */ - -#ifdef CONFIG_SYS_NS16550 - /* Enable UART1 clocks */ - sr32(&prcm_base->fclken1_core, 13, 1, 0x1); - sr32(&prcm_base->iclken1_core, 13, 1, 0x1); - - /* UART 3 Clocks */ - sr32(&prcm_base->fclken_per, 11, 1, 0x1); - sr32(&prcm_base->iclken_per, 11, 1, 0x1); -#endif - -#ifdef CONFIG_OMAP3_GPIO_2 - sr32(&prcm_base->fclken_per, 13, 1, 1); - sr32(&prcm_base->iclken_per, 13, 1, 1); -#endif -#ifdef CONFIG_OMAP3_GPIO_3 - sr32(&prcm_base->fclken_per, 14, 1, 1); - sr32(&prcm_base->iclken_per, 14, 1, 1); -#endif -#ifdef CONFIG_OMAP3_GPIO_4 - sr32(&prcm_base->fclken_per, 15, 1, 1); - sr32(&prcm_base->iclken_per, 15, 1, 1); -#endif -#ifdef CONFIG_OMAP3_GPIO_5 - sr32(&prcm_base->fclken_per, 16, 1, 1); - sr32(&prcm_base->iclken_per, 16, 1, 1); -#endif -#ifdef CONFIG_OMAP3_GPIO_6 - sr32(&prcm_base->fclken_per, 17, 1, 1); - sr32(&prcm_base->iclken_per, 17, 1, 1); -#endif - -#ifdef CONFIG_DRIVER_OMAP34XX_I2C - /* Turn on all 3 I2C clocks */ - sr32(&prcm_base->fclken1_core, 15, 3, 0x7); - sr32(&prcm_base->iclken1_core, 15, 3, 0x7); /* I2C1,2,3 = on */ -#endif - /* Enable the ICLK for 32K Sync Timer as its used in udelay */ - sr32(&prcm_base->iclken_wkup, 2, 1, 0x1); - - sr32(&prcm_base->fclken_iva2, 0, 32, FCK_IVA2_ON); - sr32(&prcm_base->fclken1_core, 0, 32, FCK_CORE1_ON); - sr32(&prcm_base->iclken1_core, 0, 32, ICK_CORE1_ON); - sr32(&prcm_base->iclken2_core, 0, 32, ICK_CORE2_ON); - sr32(&prcm_base->fclken_wkup, 0, 32, FCK_WKUP_ON); - sr32(&prcm_base->iclken_wkup, 0, 32, ICK_WKUP_ON); - sr32(&prcm_base->fclken_dss, 0, 32, FCK_DSS_ON); - sr32(&prcm_base->iclken_dss, 0, 32, ICK_DSS_ON); - sr32(&prcm_base->fclken_cam, 0, 32, FCK_CAM_ON); - sr32(&prcm_base->iclken_cam, 0, 32, ICK_CAM_ON); - sr32(&prcm_base->fclken_per, 0, 32, FCK_PER_ON); - sr32(&prcm_base->iclken_per, 0, 32, ICK_PER_ON); - - sdelay(1000); -} diff --git a/cpu/arm_cortexa8/omap3/gpio.c b/cpu/arm_cortexa8/omap3/gpio.c deleted file mode 100644 index aeb6066d89..0000000000 --- a/cpu/arm_cortexa8/omap3/gpio.c +++ /dev/null @@ -1,185 +0,0 @@ -/* - * Copyright (c) 2009 Wind River Systems, Inc. - * Tom Rix <Tom.Rix@windriver.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - * - * This work is derived from the linux 2.6.27 kernel source - * To fetch, use the kernel repository - * git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6.git - * Use the v2.6.27 tag. - * - * Below is the original's header including its copyright - * - * linux/arch/arm/plat-omap/gpio.c - * - * Support functions for OMAP GPIO - * - * Copyright (C) 2003-2005 Nokia Corporation - * Written by Juha Yrjölä <juha.yrjola@nokia.com> - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ -#include <common.h> -#include <asm/arch/gpio.h> -#include <asm/io.h> -#include <asm/errno.h> - -static struct gpio_bank gpio_bank_34xx[6] = { - { (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX }, - { (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX }, - { (void *)OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX }, - { (void *)OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX }, - { (void *)OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX }, - { (void *)OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX }, -}; - -static struct gpio_bank *gpio_bank = &gpio_bank_34xx[0]; - -static inline struct gpio_bank *get_gpio_bank(int gpio) -{ - return &gpio_bank[gpio >> 5]; -} - -static inline int get_gpio_index(int gpio) -{ - return gpio & 0x1f; -} - -static inline int gpio_valid(int gpio) -{ - if (gpio < 0) - return -1; - if (gpio < 192) - return 0; - return -1; -} - -static int check_gpio(int gpio) -{ - if (gpio_valid(gpio) < 0) { - printf("ERROR : check_gpio: invalid GPIO %d\n", gpio); - return -1; - } - return 0; -} - -static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input) -{ - void *reg = bank->base; - u32 l; - - switch (bank->method) { - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_OE; - break; - default: - return; - } - l = __raw_readl(reg); - if (is_input) - l |= 1 << gpio; - else - l &= ~(1 << gpio); - __raw_writel(l, reg); -} - -void omap_set_gpio_direction(int gpio, int is_input) -{ - struct gpio_bank *bank; - - if (check_gpio(gpio) < 0) - return; - bank = get_gpio_bank(gpio); - _set_gpio_direction(bank, get_gpio_index(gpio), is_input); -} - -static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable) -{ - void *reg = bank->base; - u32 l = 0; - - switch (bank->method) { - case METHOD_GPIO_24XX: - if (enable) - reg += OMAP24XX_GPIO_SETDATAOUT; - else - reg += OMAP24XX_GPIO_CLEARDATAOUT; - l = 1 << gpio; - break; - default: - printf("omap3-gpio unknown bank method %s %d\n", - __FILE__, __LINE__); - return; - } - __raw_writel(l, reg); -} - -void omap_set_gpio_dataout(int gpio, int enable) -{ - struct gpio_bank *bank; - - if (check_gpio(gpio) < 0) - return; - bank = get_gpio_bank(gpio); - _set_gpio_dataout(bank, get_gpio_index(gpio), enable); -} - -int omap_get_gpio_datain(int gpio) -{ - struct gpio_bank *bank; - void *reg; - - if (check_gpio(gpio) < 0) - return -EINVAL; - bank = get_gpio_bank(gpio); - reg = bank->base; - switch (bank->method) { - case METHOD_GPIO_24XX: - reg += OMAP24XX_GPIO_DATAIN; - break; - default: - return -EINVAL; - } - return (__raw_readl(reg) - & (1 << get_gpio_index(gpio))) != 0; -} - -static void _reset_gpio(struct gpio_bank *bank, int gpio) -{ - _set_gpio_direction(bank, get_gpio_index(gpio), 1); -} - -int omap_request_gpio(int gpio) -{ - if (check_gpio(gpio) < 0) - return -EINVAL; - - return 0; -} - -void omap_free_gpio(int gpio) -{ - struct gpio_bank *bank; - - if (check_gpio(gpio) < 0) - return; - bank = get_gpio_bank(gpio); - - _reset_gpio(bank, gpio); -} diff --git a/cpu/arm_cortexa8/omap3/lowlevel_init.S b/cpu/arm_cortexa8/omap3/lowlevel_init.S deleted file mode 100644 index 73063ec8e6..0000000000 --- a/cpu/arm_cortexa8/omap3/lowlevel_init.S +++ /dev/null @@ -1,361 +0,0 @@ -/* - * Board specific setup info - * - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Initial Code by: - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <version.h> -#include <asm/arch/mem.h> -#include <asm/arch/clocks_omap3.h> - -_TEXT_BASE: - .word TEXT_BASE /* sdram load addr from config.mk */ - -#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_NAND_BOOT) -/************************************************************************** - * cpy_clk_code: relocates clock code into SRAM where its safer to execute - * R1 = SRAM destination address. - *************************************************************************/ -.global cpy_clk_code - cpy_clk_code: - /* Copy DPLL code into SRAM */ - adr r0, go_to_speed /* get addr of clock setting code */ - mov r2, #384 /* r2 size to copy (div by 32 bytes) */ - mov r1, r1 /* r1 <- dest address (passed in) */ - add r2, r2, r0 /* r2 <- source end address */ -next2: - ldmia r0!, {r3 - r10} /* copy from source address [r0] */ - stmia r1!, {r3 - r10} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - bne next2 - mov pc, lr /* back to caller */ - -/* *************************************************************************** - * go_to_speed: -Moves to bypass, -Commits clock dividers, -puts dpll at speed - * -executed from SRAM. - * R0 = CM_CLKEN_PLL-bypass value - * R1 = CM_CLKSEL1_PLL-m, n, and divider values - * R2 = CM_CLKSEL_CORE-divider values - * R3 = CM_IDLEST_CKGEN - addr dpll lock wait - * - * Note: If core unlocks/relocks and SDRAM is running fast already it gets - * confused. A reset of the controller gets it back. Taking away its - * L3 when its not in self refresh seems bad for it. Normally, this - * code runs from flash before SDR is init so that should be ok. - ****************************************************************************/ -.global go_to_speed - go_to_speed: - stmfd sp!, {r4 - r6} - - /* move into fast relock bypass */ - ldr r4, pll_ctl_add - str r0, [r4] -wait1: - ldr r5, [r3] /* get status */ - and r5, r5, #0x1 /* isolate core status */ - cmp r5, #0x1 /* still locked? */ - beq wait1 /* if lock, loop */ - - /* set new dpll dividers _after_ in bypass */ - ldr r5, pll_div_add1 - str r1, [r5] /* set m, n, m2 */ - ldr r5, pll_div_add2 - str r2, [r5] /* set l3/l4/.. dividers*/ - ldr r5, pll_div_add3 /* wkup */ - ldr r2, pll_div_val3 /* rsm val */ - str r2, [r5] - ldr r5, pll_div_add4 /* gfx */ - ldr r2, pll_div_val4 - str r2, [r5] - ldr r5, pll_div_add5 /* emu */ - ldr r2, pll_div_val5 - str r2, [r5] - - /* now prepare GPMC (flash) for new dpll speed */ - /* flash needs to be stable when we jump back to it */ - ldr r5, flash_cfg3_addr - ldr r2, flash_cfg3_val - str r2, [r5] - ldr r5, flash_cfg4_addr - ldr r2, flash_cfg4_val - str r2, [r5] - ldr r5, flash_cfg5_addr - ldr r2, flash_cfg5_val - str r2, [r5] - ldr r5, flash_cfg1_addr - ldr r2, [r5] - orr r2, r2, #0x3 /* up gpmc divider */ - str r2, [r5] - - /* lock DPLL3 and wait a bit */ - orr r0, r0, #0x7 /* set up for lock mode */ - str r0, [r4] /* lock */ - nop /* ARM slow at this point working at sys_clk */ - nop - nop - nop -wait2: - ldr r5, [r3] /* get status */ - and r5, r5, #0x1 /* isolate core status */ - cmp r5, #0x1 /* still locked? */ - bne wait2 /* if lock, loop */ - nop - nop - nop - nop - ldmfd sp!, {r4 - r6} - mov pc, lr /* back to caller, locked */ - -_go_to_speed: .word go_to_speed - -/* these constants need to be close for PIC code */ -/* The Nor has to be in the Flash Base CS0 for this condition to happen */ -flash_cfg1_addr: - .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG1) -flash_cfg3_addr: - .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG3) -flash_cfg3_val: - .word STNOR_GPMC_CONFIG3 -flash_cfg4_addr: - .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG4) -flash_cfg4_val: - .word STNOR_GPMC_CONFIG4 -flash_cfg5_val: - .word STNOR_GPMC_CONFIG5 -flash_cfg5_addr: - .word (GPMC_CONFIG_CS0_BASE + GPMC_CONFIG5) -pll_ctl_add: - .word CM_CLKEN_PLL -pll_div_add1: - .word CM_CLKSEL1_PLL -pll_div_add2: - .word CM_CLKSEL_CORE -pll_div_add3: - .word CM_CLKSEL_WKUP -pll_div_val3: - .word (WKUP_RSM << 1) -pll_div_add4: - .word CM_CLKSEL_GFX -pll_div_val4: - .word (GFX_DIV << 0) -pll_div_add5: - .word CM_CLKSEL1_EMU -pll_div_val5: - .word CLSEL1_EMU_VAL - -#endif - -.globl lowlevel_init -lowlevel_init: - ldr sp, SRAM_STACK - str ip, [sp] /* stash old link register */ - mov ip, lr /* save link reg across call */ - bl s_init /* go setup pll, mux, memory */ - ldr ip, [sp] /* restore save ip */ - mov lr, ip /* restore link reg */ - - /* back to arch calling code */ - mov pc, lr - - /* the literal pools origin */ - .ltorg - -REG_CONTROL_STATUS: - .word CONTROL_STATUS -SRAM_STACK: - .word LOW_LEVEL_SRAM_STACK - -/* DPLL(1-4) PARAM TABLES */ - -/* - * Each of the tables has M, N, FREQSEL, M2 values defined for nominal - * OPP (1.2V). The fields are defined according to dpll_param struct (clock.c). - * The values are defined for all possible sysclk and for ES1 and ES2. - */ - -mpu_dpll_param: -/* 12MHz */ -/* ES1 */ -.word MPU_M_12_ES1, MPU_N_12_ES1, MPU_FSEL_12_ES1, MPU_M2_12_ES1 -/* ES2 */ -.word MPU_M_12_ES2, MPU_N_12_ES2, MPU_FSEL_12_ES2, MPU_M2_ES2 -/* 3410 */ -.word MPU_M_12, MPU_N_12, MPU_FSEL_12, MPU_M2_12 - -/* 13MHz */ -/* ES1 */ -.word MPU_M_13_ES1, MPU_N_13_ES1, MPU_FSEL_13_ES1, MPU_M2_13_ES1 -/* ES2 */ -.word MPU_M_13_ES2, MPU_N_13_ES2, MPU_FSEL_13_ES2, MPU_M2_13_ES2 -/* 3410 */ -.word MPU_M_13, MPU_N_13, MPU_FSEL_13, MPU_M2_13 - -/* 19.2MHz */ -/* ES1 */ -.word MPU_M_19P2_ES1, MPU_N_19P2_ES1, MPU_FSEL_19P2_ES1, MPU_M2_19P2_ES1 -/* ES2 */ -.word MPU_M_19P2_ES2, MPU_N_19P2_ES2, MPU_FSEL_19P2_ES2, MPU_M2_19P2_ES2 -/* 3410 */ -.word MPU_M_19P2, MPU_N_19P2, MPU_FSEL_19P2, MPU_M2_19P2 - -/* 26MHz */ -/* ES1 */ -.word MPU_M_26_ES1, MPU_N_26_ES1, MPU_FSEL_26_ES1, MPU_M2_26_ES1 -/* ES2 */ -.word MPU_M_26_ES2, MPU_N_26_ES2, MPU_FSEL_26_ES2, MPU_M2_26_ES2 -/* 3410 */ -.word MPU_M_26, MPU_N_26, MPU_FSEL_26, MPU_M2_26 - -/* 38.4MHz */ -/* ES1 */ -.word MPU_M_38P4_ES1, MPU_N_38P4_ES1, MPU_FSEL_38P4_ES1, MPU_M2_38P4_ES1 -/* ES2 */ -.word MPU_M_38P4_ES2, MPU_N_38P4_ES2, MPU_FSEL_38P4_ES2, MPU_M2_38P4_ES2 -/* 3410 */ -.word MPU_M_38P4, MPU_N_38P4, MPU_FSEL_38P4, MPU_M2_38P4 - - -.globl get_mpu_dpll_param -get_mpu_dpll_param: - adr r0, mpu_dpll_param - mov pc, lr - -iva_dpll_param: -/* 12MHz */ -/* ES1 */ -.word IVA_M_12_ES1, IVA_N_12_ES1, IVA_FSEL_12_ES1, IVA_M2_12_ES1 -/* ES2 */ -.word IVA_M_12_ES2, IVA_N_12_ES2, IVA_FSEL_12_ES2, IVA_M2_12_ES2 -/* 3410 */ -.word IVA_M_12, IVA_N_12, IVA_FSEL_12, IVA_M2_12 - -/* 13MHz */ -/* ES1 */ -.word IVA_M_13_ES1, IVA_N_13_ES1, IVA_FSEL_13_ES1, IVA_M2_13_ES1 -/* ES2 */ -.word IVA_M_13_ES2, IVA_N_13_ES2, IVA_FSEL_13_ES2, IVA_M2_13_ES2 -/* 3410 */ -.word IVA_M_13, IVA_N_13, IVA_FSEL_13, IVA_M2_13 - -/* 19.2MHz */ -/* ES1 */ -.word IVA_M_19P2_ES1, IVA_N_19P2_ES1, IVA_FSEL_19P2_ES1, IVA_M2_19P2_ES1 -/* ES2 */ -.word IVA_M_19P2_ES2, IVA_N_19P2_ES2, IVA_FSEL_19P2_ES2, IVA_M2_19P2_ES2 -/* 3410 */ -.word IVA_M_19P2, IVA_N_19P2, IVA_FSEL_19P2, IVA_M2_19P2 - -/* 26MHz */ -/* ES1 */ -.word IVA_M_26_ES1, IVA_N_26_ES1, IVA_FSEL_26_ES1, IVA_M2_26_ES1 -/* ES2 */ -.word IVA_M_26_ES2, IVA_N_26_ES2, IVA_FSEL_26_ES2, IVA_M2_26_ES2 -/* 3410 */ -.word IVA_M_26, IVA_N_26, IVA_FSEL_26, IVA_M2_26 - -/* 38.4MHz */ -/* ES1 */ -.word IVA_M_38P4_ES1, IVA_N_38P4_ES1, IVA_FSEL_38P4_ES1, IVA_M2_38P4_ES1 -/* ES2 */ -.word IVA_M_38P4_ES2, IVA_N_38P4_ES2, IVA_FSEL_38P4_ES2, IVA_M2_38P4_ES2 -/* 3410 */ -.word IVA_M_38P4, IVA_N_38P4, IVA_FSEL_38P4, IVA_M2_38P4 - - -.globl get_iva_dpll_param -get_iva_dpll_param: - adr r0, iva_dpll_param - mov pc, lr - -/* Core DPLL targets for L3 at 166 & L133 */ -core_dpll_param: -/* 12MHz */ -/* ES1 */ -.word CORE_M_12_ES1, CORE_N_12_ES1, CORE_FSL_12_ES1, CORE_M2_12_ES1 -/* ES2 */ -.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12 -/* 3410 */ -.word CORE_M_12, CORE_N_12, CORE_FSEL_12, CORE_M2_12 - -/* 13MHz */ -/* ES1 */ -.word CORE_M_13_ES1, CORE_N_13_ES1, CORE_FSL_13_ES1, CORE_M2_13_ES1 -/* ES2 */ -.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13 -/* 3410 */ -.word CORE_M_13, CORE_N_13, CORE_FSEL_13, CORE_M2_13 - -/* 19.2MHz */ -/* ES1 */ -.word CORE_M_19P2_ES1, CORE_N_19P2_ES1, CORE_FSL_19P2_ES1, CORE_M2_19P2_ES1 -/* ES2 */ -.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2 -/* 3410 */ -.word CORE_M_19P2, CORE_N_19P2, CORE_FSEL_19P2, CORE_M2_19P2 - -/* 26MHz */ -/* ES1 */ -.word CORE_M_26_ES1, CORE_N_26_ES1, CORE_FSL_26_ES1, CORE_M2_26_ES1 -/* ES2 */ -.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26 -/* 3410 */ -.word CORE_M_26, CORE_N_26, CORE_FSEL_26, CORE_M2_26 - -/* 38.4MHz */ -/* ES1 */ -.word CORE_M_38P4_ES1, CORE_N_38P4_ES1, CORE_FSL_38P4_ES1, CORE_M2_38P4_ES1 -/* ES2 */ -.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4 -/* 3410 */ -.word CORE_M_38P4, CORE_N_38P4, CORE_FSEL_38P4, CORE_M2_38P4 - -.globl get_core_dpll_param -get_core_dpll_param: - adr r0, core_dpll_param - mov pc, lr - -/* PER DPLL values are same for both ES1 and ES2 */ -per_dpll_param: -/* 12MHz */ -.word PER_M_12, PER_N_12, PER_FSEL_12, PER_M2_12 - -/* 13MHz */ -.word PER_M_13, PER_N_13, PER_FSEL_13, PER_M2_13 - -/* 19.2MHz */ -.word PER_M_19P2, PER_N_19P2, PER_FSEL_19P2, PER_M2_19P2 - -/* 26MHz */ -.word PER_M_26, PER_N_26, PER_FSEL_26, PER_M2_26 - -/* 38.4MHz */ -.word PER_M_38P4, PER_N_38P4, PER_FSEL_38P4, PER_M2_38P4 - -.globl get_per_dpll_param -get_per_dpll_param: - adr r0, per_dpll_param - mov pc, lr diff --git a/cpu/arm_cortexa8/omap3/mem.c b/cpu/arm_cortexa8/omap3/mem.c deleted file mode 100644 index dfb7e4c2ad..0000000000 --- a/cpu/arm_cortexa8/omap3/mem.c +++ /dev/null @@ -1,281 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Manikandan Pillai <mani.pillai@ti.com> - * - * Initial Code from: - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/mem.h> -#include <asm/arch/sys_proto.h> -#include <command.h> - -/* - * Only One NAND allowed on board at a time. - * The GPMC CS Base for the same - */ -unsigned int boot_flash_base; -unsigned int boot_flash_off; -unsigned int boot_flash_sec; -unsigned int boot_flash_type; -volatile unsigned int boot_flash_env_addr; - -struct gpmc *gpmc_cfg; - -#if defined(CONFIG_CMD_NAND) -static const u32 gpmc_m_nand[GPMC_MAX_REG] = { - M_NAND_GPMC_CONFIG1, - M_NAND_GPMC_CONFIG2, - M_NAND_GPMC_CONFIG3, - M_NAND_GPMC_CONFIG4, - M_NAND_GPMC_CONFIG5, - M_NAND_GPMC_CONFIG6, 0 -}; - -#if defined(CONFIG_ENV_IS_IN_NAND) -#define GPMC_CS 0 -#else -#define GPMC_CS 1 -#endif - -#endif - -#if defined(CONFIG_CMD_ONENAND) -static const u32 gpmc_onenand[GPMC_MAX_REG] = { - ONENAND_GPMC_CONFIG1, - ONENAND_GPMC_CONFIG2, - ONENAND_GPMC_CONFIG3, - ONENAND_GPMC_CONFIG4, - ONENAND_GPMC_CONFIG5, - ONENAND_GPMC_CONFIG6, 0 -}; - -#if defined(CONFIG_ENV_IS_IN_ONENAND) -#define GPMC_CS 0 -#else -#define GPMC_CS 1 -#endif - -#endif - -static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE; - -/************************************************************************** - * make_cs1_contiguous() - for es2 and above remap cs1 behind cs0 to allow - * command line mem=xyz use all memory with out discontinuous support - * compiled in. Could do it at the ATAG, but there really is two banks... - * Called as part of 2nd phase DDR init. - **************************************************************************/ -void make_cs1_contiguous(void) -{ - u32 size, a_add_low, a_add_high; - - size = get_sdr_cs_size(CS0); - size >>= 25; /* divide by 32 MiB to find size to offset CS1 */ - a_add_high = (size & 3) << 8; /* set up low field */ - a_add_low = (size & 0x3C) >> 2; /* set up high field */ - writel((a_add_high | a_add_low), &sdrc_base->cs_cfg); - -} - -/******************************************************** - * mem_ok() - test used to see if timings are correct - * for a part. Helps in guessing which part - * we are currently using. - *******************************************************/ -u32 mem_ok(u32 cs) -{ - u32 val1, val2, addr; - u32 pattern = 0x12345678; - - addr = OMAP34XX_SDRC_CS0 + get_sdr_cs_offset(cs); - - writel(0x0, addr + 0x400); /* clear pos A */ - writel(pattern, addr); /* pattern to pos B */ - writel(0x0, addr + 4); /* remove pattern off the bus */ - val1 = readl(addr + 0x400); /* get pos A value */ - val2 = readl(addr); /* get val2 */ - - if ((val1 != 0) || (val2 != pattern)) /* see if pos A val changed */ - return 0; - else - return 1; -} - -/******************************************************** - * sdrc_init() - init the sdrc chip selects CS0 and CS1 - * - early init routines, called from flash or - * SRAM. - *******************************************************/ -void sdrc_init(void) -{ - /* only init up first bank here */ - do_sdrc_init(CS0, EARLY_INIT); -} - -/************************************************************************* - * do_sdrc_init(): initialize the SDRAM for use. - * -code sets up SDRAM basic SDRC timings for CS0 - * -optimal settings can be placed here, or redone after i2c - * inspection of board info - * - * - code called once in C-Stack only context for CS0 and a possible 2nd - * time depending on memory configuration from stack+global context - **************************************************************************/ - -void do_sdrc_init(u32 cs, u32 early) -{ - struct sdrc_actim *sdrc_actim_base; - - if(cs) - sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL1_BASE; - else - sdrc_actim_base = (struct sdrc_actim *)SDRC_ACTIM_CTRL0_BASE; - - if (early) { - /* reset sdrc controller */ - writel(SOFTRESET, &sdrc_base->sysconfig); - wait_on_value(RESETDONE, RESETDONE, &sdrc_base->status, - 12000000); - writel(0, &sdrc_base->sysconfig); - - /* setup sdrc to ball mux */ - writel(SDRC_SHARING, &sdrc_base->sharing); - - /* Disable Power Down of CKE cuz of 1 CKE on combo part */ - writel(WAKEUPPROC | PWDNEN | SRFRONRESET | PAGEPOLICY_HIGH, - &sdrc_base->power); - - writel(ENADLL | DLLPHASE_90, &sdrc_base->dlla_ctrl); - sdelay(0x20000); - } - - writel(RASWIDTH_13BITS | CASWIDTH_10BITS | ADDRMUXLEGACY | - RAMSIZE_128 | BANKALLOCATION | B32NOT16 | B32NOT16 | - DEEPPD | DDR_SDRAM, &sdrc_base->cs[cs].mcfg); - writel(ARCV | ARE_ARCV_1, &sdrc_base->cs[cs].rfr_ctrl); - writel(V_ACTIMA_165, &sdrc_actim_base->ctrla); - writel(V_ACTIMB_165, &sdrc_actim_base->ctrlb); - - writel(CMD_NOP, &sdrc_base ->cs[cs].manual); - writel(CMD_PRECHARGE, &sdrc_base->cs[cs].manual); - writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual); - writel(CMD_AUTOREFRESH, &sdrc_base->cs[cs].manual); - - /* - * CAS latency 3, Write Burst = Read Burst, Serial Mode, - * Burst length = 4 - */ - writel(CASL3 | BURSTLENGTH4, &sdrc_base->cs[cs].mr); - - if (!mem_ok(cs)) - writel(0, &sdrc_base->cs[cs].mcfg); -} - -void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base, - u32 size) -{ - writel(0, &cs->config7); - sdelay(1000); - /* Delay for settling */ - writel(gpmc_config[0], &cs->config1); - writel(gpmc_config[1], &cs->config2); - writel(gpmc_config[2], &cs->config3); - writel(gpmc_config[3], &cs->config4); - writel(gpmc_config[4], &cs->config5); - writel(gpmc_config[5], &cs->config6); - /* Enable the config */ - writel((((size & 0xF) << 8) | ((base >> 24) & 0x3F) | - (1 << 6)), &cs->config7); - sdelay(2000); -} - -/***************************************************** - * gpmc_init(): init gpmc bus - * Init GPMC for x16, MuxMode (SDRAM in x32). - * This code can only be executed from SRAM or SDRAM. - *****************************************************/ -void gpmc_init(void) -{ - /* putting a blanket check on GPMC based on ZeBu for now */ - gpmc_cfg = (struct gpmc *)GPMC_BASE; -#if defined(CONFIG_CMD_NAND) || defined(CONFIG_CMD_ONENAND) - const u32 *gpmc_config = NULL; - u32 base = 0; - u32 size = 0; -#if defined(CONFIG_ENV_IS_IN_NAND) || defined(CONFIG_ENV_IS_IN_ONENAND) - u32 f_off = CONFIG_SYS_MONITOR_LEN; - u32 f_sec = 0; -#endif -#endif - u32 config = 0; - - /* global settings */ - writel(0, &gpmc_cfg->irqenable); /* isr's sources masked */ - writel(0, &gpmc_cfg->timeout_control);/* timeout disable */ - - config = readl(&gpmc_cfg->config); - config &= (~0xf00); - writel(config, &gpmc_cfg->config); - - /* - * Disable the GPMC0 config set by ROM code - * It conflicts with our MPDB (both at 0x08000000) - */ - writel(0, &gpmc_cfg->cs[0].config7); - sdelay(1000); - -#if defined(CONFIG_CMD_NAND) /* CS 0 */ - gpmc_config = gpmc_m_nand; - - base = PISMO1_NAND_BASE; - size = PISMO1_NAND_SIZE; - enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size); -#if defined(CONFIG_ENV_IS_IN_NAND) - f_off = SMNAND_ENV_OFFSET; - f_sec = (128 << 10); /* 128 KiB */ - /* env setup */ - boot_flash_base = base; - boot_flash_off = f_off; - boot_flash_sec = f_sec; - boot_flash_env_addr = f_off; -#endif -#endif - -#if defined(CONFIG_CMD_ONENAND) - gpmc_config = gpmc_onenand; - base = PISMO1_ONEN_BASE; - size = PISMO1_ONEN_SIZE; - enable_gpmc_cs_config(gpmc_config, &gpmc_cfg->cs[0], base, size); -#if defined(CONFIG_ENV_IS_IN_ONENAND) - f_off = ONENAND_ENV_OFFSET; - f_sec = (128 << 10); /* 128 KiB */ - /* env setup */ - boot_flash_base = base; - boot_flash_off = f_off; - boot_flash_sec = f_sec; - boot_flash_env_addr = f_off; -#endif -#endif -} diff --git a/cpu/arm_cortexa8/omap3/reset.S b/cpu/arm_cortexa8/omap3/reset.S deleted file mode 100644 index a53c408195..0000000000 --- a/cpu/arm_cortexa8/omap3/reset.S +++ /dev/null @@ -1,36 +0,0 @@ -/* - * Copyright (c) 2009 Samsung Electronics. - * Minkyu Kang <mk7.kang@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> - -.global reset_cpu -reset_cpu: - ldr r1, rstctl @ get addr for global reset - @ reg - mov r3, #0x2 @ full reset pll + mpu - str r3, [r1] @ force reset - mov r0, r0 -_loop_forever: - b _loop_forever -rstctl: - .word PRM_RSTCTRL diff --git a/cpu/arm_cortexa8/omap3/sys_info.c b/cpu/arm_cortexa8/omap3/sys_info.c deleted file mode 100644 index 08fb32eaae..0000000000 --- a/cpu/arm_cortexa8/omap3/sys_info.c +++ /dev/null @@ -1,299 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Author : - * Manikandan Pillai <mani.pillai@ti.com> - * - * Derived from Beagle Board and 3430 SDP code by - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR /PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/mem.h> /* get mem tables */ -#include <asm/arch/sys_proto.h> -#include <i2c.h> - -extern omap3_sysinfo sysinfo; -static struct sdrc *sdrc_base = (struct sdrc *)OMAP34XX_SDRC_BASE; -static struct ctrl *ctrl_base = (struct ctrl *)OMAP34XX_CTRL_BASE; -static char *rev_s[CPU_3XX_MAX_REV] = { - "1.0", - "2.0", - "2.1", - "3.0", - "3.1"}; - -/***************************************************************** - * dieid_num_r(void) - read and set die ID - *****************************************************************/ -void dieid_num_r(void) -{ - struct ctrl_id *id_base = (struct ctrl_id *)OMAP34XX_ID_L4_IO_BASE; - char *uid_s, die_id[34]; - u32 id[4]; - - memset(die_id, 0, sizeof(die_id)); - - uid_s = getenv("dieid#"); - - if (uid_s == NULL) { - id[3] = readl(&id_base->die_id_0); - id[2] = readl(&id_base->die_id_1); - id[1] = readl(&id_base->die_id_2); - id[0] = readl(&id_base->die_id_3); - sprintf(die_id, "%08x%08x%08x%08x", id[0], id[1], id[2], id[3]); - setenv("dieid#", die_id); - uid_s = die_id; - } - - printf("Die ID #%s\n", uid_s); -} - -/****************************************** - * get_cpu_type(void) - extract cpu info - ******************************************/ -u32 get_cpu_type(void) -{ - return readl(&ctrl_base->ctrl_omap_stat); -} - -/****************************************** - * get_cpu_rev(void) - extract version info - ******************************************/ -u32 get_cpu_rev(void) -{ - u32 cpuid = 0; - struct ctrl_id *id_base; - - /* - * On ES1.0 the IDCODE register is not exposed on L4 - * so using CPU ID to differentiate between ES1.0 and > ES1.0. - */ - __asm__ __volatile__("mrc p15, 0, %0, c0, c0, 0":"=r"(cpuid)); - if ((cpuid & 0xf) == 0x0) - return CPU_3XX_ES10; - else { - /* Decode the IDs on > ES1.0 */ - id_base = (struct ctrl_id *) OMAP34XX_ID_L4_IO_BASE; - - cpuid = (readl(&id_base->idcode) >> CPU_3XX_ID_SHIFT) & 0xf; - - /* Some early ES2.0 seem to report ID 0, fix this */ - if(cpuid == 0) - cpuid = CPU_3XX_ES20; - - return cpuid; - } -} - -/**************************************************** - * is_mem_sdr() - return 1 if mem type in use is SDR - ****************************************************/ -u32 is_mem_sdr(void) -{ - if (readl(&sdrc_base->cs[CS0].mr) == SDRC_MR_0_SDR) - return 1; - return 0; -} - -/*********************************************************************** - * get_cs0_size() - get size of chip select 0/1 - ************************************************************************/ -u32 get_sdr_cs_size(u32 cs) -{ - u32 size; - - /* get ram size field */ - size = readl(&sdrc_base->cs[cs].mcfg) >> 8; - size &= 0x3FF; /* remove unwanted bits */ - size <<= 21; /* multiply by 2 MiB to find size in MB */ - return size; -} - -/*********************************************************************** - * get_sdr_cs_offset() - get offset of cs from cs0 start - ************************************************************************/ -u32 get_sdr_cs_offset(u32 cs) -{ - u32 offset; - - if (!cs) - return 0; - - offset = readl(&sdrc_base->cs_cfg); - offset = (offset & 15) << 27 | (offset & 0x30) >> 17; - - return offset; -} - -/*************************************************************************** - * get_gpmc0_base() - Return current address hardware will be - * fetching from. The below effectively gives what is correct, its a bit - * mis-leading compared to the TRM. For the most general case the mask - * needs to be also taken into account this does work in practice. - * - for u-boot we currently map: - * -- 0 to nothing, - * -- 4 to flash - * -- 8 to enent - * -- c to wifi - ****************************************************************************/ -u32 get_gpmc0_base(void) -{ - u32 b; - - b = readl(&gpmc_cfg->cs[0].config7); - b &= 0x1F; /* keep base [5:0] */ - b = b << 24; /* ret 0x0b000000 */ - return b; -} - -/******************************************************************* - * get_gpmc0_width() - See if bus is in x8 or x16 (mainly for nand) - *******************************************************************/ -u32 get_gpmc0_width(void) -{ - return WIDTH_16BIT; -} - -/************************************************************************* - * get_board_rev() - setup to pass kernel board revision information - * returns:(bit[0-3] sub version, higher bit[7-4] is higher version) - *************************************************************************/ -u32 get_board_rev(void) -{ - return 0x20; -} - -/******************************************************** - * get_base(); get upper addr of current execution - *******************************************************/ -u32 get_base(void) -{ - u32 val; - - __asm__ __volatile__("mov %0, pc \n":"=r"(val)::"memory"); - val &= 0xF0000000; - val >>= 28; - return val; -} - -/******************************************************** - * is_running_in_flash() - tell if currently running in - * FLASH. - *******************************************************/ -u32 is_running_in_flash(void) -{ - if (get_base() < 4) - return 1; /* in FLASH */ - - return 0; /* running in SRAM or SDRAM */ -} - -/******************************************************** - * is_running_in_sram() - tell if currently running in - * SRAM. - *******************************************************/ -u32 is_running_in_sram(void) -{ - if (get_base() == 4) - return 1; /* in SRAM */ - - return 0; /* running in FLASH or SDRAM */ -} - -/******************************************************** - * is_running_in_sdram() - tell if currently running in - * SDRAM. - *******************************************************/ -u32 is_running_in_sdram(void) -{ - if (get_base() > 4) - return 1; /* in SDRAM */ - - return 0; /* running in SRAM or FLASH */ -} - -/*************************************************************** - * get_boot_type() - Is this an XIP type device or a stream one - * bits 4-0 specify type. Bit 5 says mem/perif - ***************************************************************/ -u32 get_boot_type(void) -{ - return (readl(&ctrl_base->status) & SYSBOOT_MASK); -} - -/************************************************************* - * get_device_type(): tell if GP/HS/EMU/TST - *************************************************************/ -u32 get_device_type(void) -{ - return ((readl(&ctrl_base->status) & (DEVICE_MASK)) >> 8); -} - -#ifdef CONFIG_DISPLAY_CPUINFO -/** - * Print CPU information - */ -int print_cpuinfo (void) -{ - char *cpu_s, *sec_s; - - switch (get_cpu_type()) { - case OMAP3503: - cpu_s = "3503"; - break; - case OMAP3515: - cpu_s = "3515"; - break; - case OMAP3525: - cpu_s = "3525"; - break; - case OMAP3530: - cpu_s = "3530"; - break; - default: - cpu_s = "35XX"; - break; - } - - switch (get_device_type()) { - case TST_DEVICE: - sec_s = "TST"; - break; - case EMU_DEVICE: - sec_s = "EMU"; - break; - case HS_DEVICE: - sec_s = "HS"; - break; - case GP_DEVICE: - sec_s = "GP"; - break; - default: - sec_s = "?"; - } - - printf("OMAP%s-%s ES%s, CPU-OPP2 L3-165MHz\n", - cpu_s, sec_s, rev_s[get_cpu_rev()]); - - return 0; -} -#endif /* CONFIG_DISPLAY_CPUINFO */ diff --git a/cpu/arm_cortexa8/omap3/syslib.c b/cpu/arm_cortexa8/omap3/syslib.c deleted file mode 100644 index 9ced495c8d..0000000000 --- a/cpu/arm_cortexa8/omap3/syslib.c +++ /dev/null @@ -1,72 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments, <www.ti.com> - * - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Mohammed Khasim <khasim@ti.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/mem.h> -#include <asm/arch/clocks.h> -#include <asm/arch/sys_proto.h> - -/************************************************************ - * sdelay() - simple spin loop. Will be constant time as - * its generally used in bypass conditions only. This - * is necessary until timers are accessible. - * - * not inline to increase chances its in cache when called - *************************************************************/ -void sdelay(unsigned long loops) -{ - __asm__ volatile ("1:\n" "subs %0, %1, #1\n" - "bne 1b":"=r" (loops):"0"(loops)); -} - -/***************************************************************** - * sr32 - clear & set a value in a bit range for a 32 bit address - *****************************************************************/ -void sr32(void *addr, u32 start_bit, u32 num_bits, u32 value) -{ - u32 tmp, msk = 0; - msk = 1 << num_bits; - --msk; - tmp = readl((u32)addr) & ~(msk << start_bit); - tmp |= value << start_bit; - writel(tmp, (u32)addr); -} - -/********************************************************************* - * wait_on_value() - common routine to allow waiting for changes in - * volatile regs. - *********************************************************************/ -u32 wait_on_value(u32 read_bit_mask, u32 match_value, void *read_addr, - u32 bound) -{ - u32 i = 0, val; - do { - ++i; - val = readl((u32)read_addr) & read_bit_mask; - if (val == match_value) - return 1; - if (i == bound) - return 0; - } while (1); -} diff --git a/cpu/arm_cortexa8/omap3/timer.c b/cpu/arm_cortexa8/omap3/timer.c deleted file mode 100644 index 401bfe6d09..0000000000 --- a/cpu/arm_cortexa8/omap3/timer.c +++ /dev/null @@ -1,138 +0,0 @@ -/* - * (C) Copyright 2008 - * Texas Instruments - * - * Richard Woodruff <r-woodruff2@ti.com> - * Syed Moahmmed Khasim <khasim@ti.com> - * - * (C) Copyright 2002 - * Sysgo Real-Time Solutions, GmbH <www.elinos.com> - * Marius Groeger <mgroeger@sysgo.de> - * Alex Zuepke <azu@sysgo.de> - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> - -static ulong timestamp; -static ulong lastinc; -static struct gptimer *timer_base = (struct gptimer *)CONFIG_SYS_TIMERBASE; - -/* - * Nothing really to do with interrupts, just starts up a counter. - * We run the counter with 13MHz, divided by 8, resulting in timer - * frequency of 1.625MHz. With 32bit counter register, counter - * overflows in ~44min - */ - -/* 13MHz / 8 = 1.625MHz */ -#define TIMER_CLOCK (V_SCLK / (2 << CONFIG_SYS_PTV)) -#define TIMER_LOAD_VAL 0xffffffff - -int timer_init(void) -{ - /* start the counter ticking up, reload value on overflow */ - writel(TIMER_LOAD_VAL, &timer_base->tldr); - /* enable timer */ - writel((CONFIG_SYS_PTV << 2) | TCLR_PRE | TCLR_AR | TCLR_ST, - &timer_base->tclr); - - reset_timer_masked(); /* init the timestamp and lastinc value */ - - return 0; -} - -/* - * timer without interrupts - */ -void reset_timer(void) -{ - reset_timer_masked(); -} - -ulong get_timer(ulong base) -{ - return get_timer_masked() - base; -} - -void set_timer(ulong t) -{ - timestamp = t; -} - -/* delay x useconds */ -void __udelay(unsigned long usec) -{ - long tmo = usec * (TIMER_CLOCK / 1000) / 1000; - unsigned long now, last = readl(&timer_base->tcrr); - - while (tmo > 0) { - now = readl(&timer_base->tcrr); - if (last > now) /* count up timer overflow */ - tmo -= TIMER_LOAD_VAL - last + now; - else - tmo -= now - last; - last = now; - } -} - -void reset_timer_masked(void) -{ - /* reset time, capture current incrementer value time */ - lastinc = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ); - timestamp = 0; /* start "advancing" time stamp from 0 */ -} - -ulong get_timer_masked(void) -{ - /* current tick value */ - ulong now = readl(&timer_base->tcrr) / (TIMER_CLOCK / CONFIG_SYS_HZ); - - if (now >= lastinc) /* normal mode (non roll) */ - /* move stamp fordward with absoulte diff ticks */ - timestamp += (now - lastinc); - else /* we have rollover of incrementer */ - timestamp += ((TIMER_LOAD_VAL / (TIMER_CLOCK / CONFIG_SYS_HZ)) - - lastinc) + now; - lastinc = now; - return timestamp; -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -ulong get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} diff --git a/cpu/arm_cortexa8/s5pc1xx/Makefile b/cpu/arm_cortexa8/s5pc1xx/Makefile deleted file mode 100644 index 01c93feda8..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/Makefile +++ /dev/null @@ -1,55 +0,0 @@ -# -# (C) Copyright 2000-2003 -# Wolfgang Denk, DENX Software Engineering, wd@denx.de. -# -# (C) Copyright 2008 -# Guennadi Liakhovetki, DENX Software Engineering, <lg@denx.de> -# -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA -# - -include $(TOPDIR)/config.mk - -LIB = $(obj)lib$(SOC).a - -SOBJS = cache.o -SOBJS += reset.o - -COBJS += clock.o -COBJS += cpu_info.o -COBJS += gpio.o -COBJS += sromc.o -COBJS += timer.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) - -all: $(obj).depend $(LIB) - -$(LIB): $(OBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/cpu/arm_cortexa8/s5pc1xx/cache.S b/cpu/arm_cortexa8/s5pc1xx/cache.S deleted file mode 100644 index 23f527a485..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/cache.S +++ /dev/null @@ -1,120 +0,0 @@ -/* - * Copyright (C) 2009 Samsung Electronics - * Minkyu Kang <mk7.kang@samsung.com> - * - * based on cpu/arm_cortexa8/omap3/cache.S - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <asm/arch/cpu.h> - -.align 5 -.global invalidate_dcache -.global l2_cache_enable -.global l2_cache_disable - -/* - * invalidate_dcache() - * Invalidate the whole D-cache. - * - * Corrupted registers: r0-r5, r7, r9-r11 - */ -invalidate_dcache: - stmfd r13!, {r0 - r5, r7, r9 - r12, r14} - - cmp r0, #0xC100 @ check if the cpu is s5pc100 - - beq finished_inval @ s5pc100 doesn't need this - @ routine - mrc p15, 1, r0, c0, c0, 1 @ read clidr - ands r3, r0, #0x7000000 @ extract loc from clidr - mov r3, r3, lsr #23 @ left align loc bit field - beq finished_inval @ if loc is 0, then no need to - @ clean - mov r10, #0 @ start clean at cache level 0 -inval_loop1: - add r2, r10, r10, lsr #1 @ work out 3x current cache - @ level - mov r1, r0, lsr r2 @ extract cache type bits from - @ clidr - and r1, r1, #7 @ mask of the bits for current - @ cache only - cmp r1, #2 @ see what cache we have at - @ this level - blt skip_inval @ skip if no cache, or just - @ i-cache - mcr p15, 2, r10, c0, c0, 0 @ select current cache level - @ in cssr - mov r2, #0 @ operand for mcr SBZ - mcr p15, 0, r2, c7, c5, 4 @ flush prefetch buffer to - @ sych the new cssr&csidr, - @ with armv7 this is 'isb', - @ but we compile with armv5 - mrc p15, 1, r1, c0, c0, 0 @ read the new csidr - and r2, r1, #7 @ extract the length of the - @ cache lines - add r2, r2, #4 @ add 4 (line length offset) - ldr r4, =0x3ff - ands r4, r4, r1, lsr #3 @ find maximum number on the - @ way size - clz r5, r4 @ find bit position of way - @ size increment - ldr r7, =0x7fff - ands r7, r7, r1, lsr #13 @ extract max number of the - @ index size -inval_loop2: - mov r9, r4 @ create working copy of max - @ way size -inval_loop3: - orr r11, r10, r9, lsl r5 @ factor way and cache number - @ into r11 - orr r11, r11, r7, lsl r2 @ factor index number into r11 - mcr p15, 0, r11, c7, c6, 2 @ invalidate by set/way - subs r9, r9, #1 @ decrement the way - bge inval_loop3 - subs r7, r7, #1 @ decrement the index - bge inval_loop2 -skip_inval: - add r10, r10, #2 @ increment cache number - cmp r3, r10 - bgt inval_loop1 -finished_inval: - mov r10, #0 @ swith back to cache level 0 - mcr p15, 2, r10, c0, c0, 0 @ select current cache level - @ in cssr - mcr p15, 0, r10, c7, c5, 4 @ flush prefetch buffer, - @ with armv7 this is 'isb', - @ but we compile with armv5 - - ldmfd r13!, {r0 - r5, r7, r9 - r12, pc} - -l2_cache_enable: - push {r0, r1, r2, lr} - mrc 15, 0, r3, cr1, cr0, 1 - orr r3, r3, #2 - mcr 15, 0, r3, cr1, cr0, 1 - pop {r1, r2, r3, pc} - -l2_cache_disable: - push {r0, r1, r2, lr} - mrc 15, 0, r3, cr1, cr0, 1 - bic r3, r3, #2 - mcr 15, 0, r3, cr1, cr0, 1 - pop {r1, r2, r3, pc} diff --git a/cpu/arm_cortexa8/s5pc1xx/clock.c b/cpu/arm_cortexa8/s5pc1xx/clock.c deleted file mode 100644 index 19619f92cd..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/clock.c +++ /dev/null @@ -1,303 +0,0 @@ -/* - * Copyright (C) 2009 Samsung Electronics - * Minkyu Kang <mk7.kang@samsung.com> - * Heungjun Kim <riverful.kim@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/clock.h> -#include <asm/arch/clk.h> - -#define CLK_M 0 -#define CLK_D 1 -#define CLK_P 2 - -#ifndef CONFIG_SYS_CLK_FREQ_C100 -#define CONFIG_SYS_CLK_FREQ_C100 12000000 -#endif -#ifndef CONFIG_SYS_CLK_FREQ_C110 -#define CONFIG_SYS_CLK_FREQ_C110 24000000 -#endif - -unsigned long (*get_pclk)(void); -unsigned long (*get_arm_clk)(void); -unsigned long (*get_pll_clk)(int); - -/* s5pc110: return pll clock frequency */ -static unsigned long s5pc100_get_pll_clk(int pllreg) -{ - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; - unsigned long r, m, p, s, mask, fout; - unsigned int freq; - - switch (pllreg) { - case APLL: - r = readl(&clk->apll_con); - break; - case MPLL: - r = readl(&clk->mpll_con); - break; - case EPLL: - r = readl(&clk->epll_con); - break; - case HPLL: - r = readl(&clk->hpll_con); - break; - default: - printf("Unsupported PLL (%d)\n", pllreg); - return 0; - } - - /* - * APLL_CON: MIDV [25:16] - * MPLL_CON: MIDV [23:16] - * EPLL_CON: MIDV [23:16] - * HPLL_CON: MIDV [23:16] - */ - if (pllreg == APLL) - mask = 0x3ff; - else - mask = 0x0ff; - - m = (r >> 16) & mask; - - /* PDIV [13:8] */ - p = (r >> 8) & 0x3f; - /* SDIV [2:0] */ - s = r & 0x7; - - /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */ - freq = CONFIG_SYS_CLK_FREQ_C100; - fout = m * (freq / (p * (1 << s))); - - return fout; -} - -/* s5pc100: return pll clock frequency */ -static unsigned long s5pc110_get_pll_clk(int pllreg) -{ - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; - unsigned long r, m, p, s, mask, fout; - unsigned int freq; - - switch (pllreg) { - case APLL: - r = readl(&clk->apll_con); - break; - case MPLL: - r = readl(&clk->mpll_con); - break; - case EPLL: - r = readl(&clk->epll_con); - break; - case VPLL: - r = readl(&clk->vpll_con); - break; - default: - printf("Unsupported PLL (%d)\n", pllreg); - return 0; - } - - /* - * APLL_CON: MIDV [25:16] - * MPLL_CON: MIDV [25:16] - * EPLL_CON: MIDV [24:16] - * VPLL_CON: MIDV [24:16] - */ - if (pllreg == APLL || pllreg == MPLL) - mask = 0x3ff; - else - mask = 0x1ff; - - m = (r >> 16) & mask; - - /* PDIV [13:8] */ - p = (r >> 8) & 0x3f; - /* SDIV [2:0] */ - s = r & 0x7; - - freq = CONFIG_SYS_CLK_FREQ_C110; - if (pllreg == APLL) { - if (s < 1) - s = 1; - /* FOUT = MDIV * FIN / (PDIV * 2^(SDIV - 1)) */ - fout = m * (freq / (p * (1 << (s - 1)))); - } else - /* FOUT = MDIV * FIN / (PDIV * 2^SDIV) */ - fout = m * (freq / (p * (1 << s))); - - return fout; -} - -/* s5pc110: return ARM clock frequency */ -static unsigned long s5pc110_get_arm_clk(void) -{ - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; - unsigned long div; - unsigned long dout_apll, armclk; - unsigned int apll_ratio; - - div = readl(&clk->div0); - - /* APLL_RATIO: [2:0] */ - apll_ratio = div & 0x7; - - dout_apll = get_pll_clk(APLL) / (apll_ratio + 1); - armclk = dout_apll; - - return armclk; -} - -/* s5pc100: return ARM clock frequency */ -static unsigned long s5pc100_get_arm_clk(void) -{ - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; - unsigned long div; - unsigned long dout_apll, armclk; - unsigned int apll_ratio, arm_ratio; - - div = readl(&clk->div0); - - /* ARM_RATIO: [6:4] */ - arm_ratio = (div >> 4) & 0x7; - /* APLL_RATIO: [0] */ - apll_ratio = div & 0x1; - - dout_apll = get_pll_clk(APLL) / (apll_ratio + 1); - armclk = dout_apll / (arm_ratio + 1); - - return armclk; -} - -/* s5pc100: return HCLKD0 frequency */ -static unsigned long get_hclk(void) -{ - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; - unsigned long hclkd0; - uint div, d0_bus_ratio; - - div = readl(&clk->div0); - /* D0_BUS_RATIO: [10:8] */ - d0_bus_ratio = (div >> 8) & 0x7; - - hclkd0 = get_arm_clk() / (d0_bus_ratio + 1); - - return hclkd0; -} - -/* s5pc100: return PCLKD1 frequency */ -static unsigned long get_pclkd1(void) -{ - struct s5pc100_clock *clk = (struct s5pc100_clock *)S5PC1XX_CLOCK_BASE; - unsigned long d1_bus, pclkd1; - uint div, d1_bus_ratio, pclkd1_ratio; - - div = readl(&clk->div0); - /* D1_BUS_RATIO: [14:12] */ - d1_bus_ratio = (div >> 12) & 0x7; - /* PCLKD1_RATIO: [18:16] */ - pclkd1_ratio = (div >> 16) & 0x7; - - /* ASYNC Mode */ - d1_bus = get_pll_clk(MPLL) / (d1_bus_ratio + 1); - pclkd1 = d1_bus / (pclkd1_ratio + 1); - - return pclkd1; -} - -/* s5pc110: return HCLKs frequency */ -static unsigned long get_hclk_sys(int dom) -{ - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; - unsigned long hclk; - unsigned int div; - unsigned int offset; - unsigned int hclk_sys_ratio; - - if (dom == CLK_M) - return get_hclk(); - - div = readl(&clk->div0); - - /* - * HCLK_MSYS_RATIO: [10:8] - * HCLK_DSYS_RATIO: [19:16] - * HCLK_PSYS_RATIO: [27:24] - */ - offset = 8 + (dom << 0x3); - - hclk_sys_ratio = (div >> offset) & 0xf; - - hclk = get_pll_clk(MPLL) / (hclk_sys_ratio + 1); - - return hclk; -} - -/* s5pc110: return PCLKs frequency */ -static unsigned long get_pclk_sys(int dom) -{ - struct s5pc110_clock *clk = (struct s5pc110_clock *)S5PC1XX_CLOCK_BASE; - unsigned long pclk; - unsigned int div; - unsigned int offset; - unsigned int pclk_sys_ratio; - - div = readl(&clk->div0); - - /* - * PCLK_MSYS_RATIO: [14:12] - * PCLK_DSYS_RATIO: [22:20] - * PCLK_PSYS_RATIO: [30:28] - */ - offset = 12 + (dom << 0x3); - - pclk_sys_ratio = (div >> offset) & 0x7; - - pclk = get_hclk_sys(dom) / (pclk_sys_ratio + 1); - - return pclk; -} - -/* s5pc110: return peripheral clock frequency */ -static unsigned long s5pc110_get_pclk(void) -{ - return get_pclk_sys(CLK_P); -} - -/* s5pc100: return peripheral clock frequency */ -static unsigned long s5pc100_get_pclk(void) -{ - return get_pclkd1(); -} - -void s5pc1xx_clock_init(void) -{ - if (cpu_is_s5pc110()) { - get_pll_clk = s5pc110_get_pll_clk; - get_arm_clk = s5pc110_get_arm_clk; - get_pclk = s5pc110_get_pclk; - } else { - get_pll_clk = s5pc100_get_pll_clk; - get_arm_clk = s5pc100_get_arm_clk; - get_pclk = s5pc100_get_pclk; - } -} diff --git a/cpu/arm_cortexa8/s5pc1xx/cpu_info.c b/cpu/arm_cortexa8/s5pc1xx/cpu_info.c deleted file mode 100644 index f16c0ff130..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/cpu_info.c +++ /dev/null @@ -1,57 +0,0 @@ -/* - * Copyright (C) 2009 Samsung Electronics - * Minkyu Kang <mk7.kang@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ -#include <common.h> -#include <asm/io.h> -#include <asm/arch/clk.h> - -/* Default is s5pc100 */ -unsigned int s5pc1xx_cpu_id = 0xC100; - -#ifdef CONFIG_ARCH_CPU_INIT -int arch_cpu_init(void) -{ - s5pc1xx_cpu_id = readl(S5PC1XX_PRO_ID); - s5pc1xx_cpu_id = 0xC000 | ((s5pc1xx_cpu_id & 0x00FFF000) >> 12); - - s5pc1xx_clock_init(); - - return 0; -} -#endif - -u32 get_device_type(void) -{ - return s5pc1xx_cpu_id; -} - -#ifdef CONFIG_DISPLAY_CPUINFO -int print_cpuinfo(void) -{ - char buf[32]; - - printf("CPU:\tS5P%X@%sMHz\n", - s5pc1xx_cpu_id, strmhz(buf, get_arm_clk())); - - return 0; -} -#endif diff --git a/cpu/arm_cortexa8/s5pc1xx/gpio.c b/cpu/arm_cortexa8/s5pc1xx/gpio.c deleted file mode 100644 index a97244bf30..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/gpio.c +++ /dev/null @@ -1,143 +0,0 @@ -/* - * (C) Copyright 2009 Samsung Electronics - * Minkyu Kang <mk7.kang@samsung.com> - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/gpio.h> - -#define CON_MASK(x) (0xf << ((x) << 2)) -#define CON_SFR(x, v) ((v) << ((x) << 2)) - -#define DAT_MASK(x) (0x1 << (x)) -#define DAT_SET(x) (0x1 << (x)) - -#define PULL_MASK(x) (0x3 << ((x) << 1)) -#define PULL_MODE(x, v) ((v) << ((x) << 1)) - -#define DRV_MASK(x) (0x3 << ((x) << 1)) -#define DRV_SET(x, m) ((m) << ((x) << 1)) -#define RATE_MASK(x) (0x1 << (x + 16)) -#define RATE_SET(x) (0x1 << (x + 16)) - -void gpio_cfg_pin(struct s5pc1xx_gpio_bank *bank, int gpio, int cfg) -{ - unsigned int value; - - value = readl(&bank->con); - value &= ~CON_MASK(gpio); - value |= CON_SFR(gpio, cfg); - writel(value, &bank->con); -} - -void gpio_direction_output(struct s5pc1xx_gpio_bank *bank, int gpio, int en) -{ - unsigned int value; - - gpio_cfg_pin(bank, gpio, GPIO_OUTPUT); - - value = readl(&bank->dat); - value &= ~DAT_MASK(gpio); - if (en) - value |= DAT_SET(gpio); - writel(value, &bank->dat); -} - -void gpio_direction_input(struct s5pc1xx_gpio_bank *bank, int gpio) -{ - gpio_cfg_pin(bank, gpio, GPIO_INPUT); -} - -void gpio_set_value(struct s5pc1xx_gpio_bank *bank, int gpio, int en) -{ - unsigned int value; - - value = readl(&bank->dat); - value &= ~DAT_MASK(gpio); - if (en) - value |= DAT_SET(gpio); - writel(value, &bank->dat); -} - -unsigned int gpio_get_value(struct s5pc1xx_gpio_bank *bank, int gpio) -{ - unsigned int value; - - value = readl(&bank->dat); - return !!(value & DAT_MASK(gpio)); -} - -void gpio_set_pull(struct s5pc1xx_gpio_bank *bank, int gpio, int mode) -{ - unsigned int value; - - value = readl(&bank->pull); - value &= ~PULL_MASK(gpio); - - switch (mode) { - case GPIO_PULL_DOWN: - case GPIO_PULL_UP: - value |= PULL_MODE(gpio, mode); - break; - default: - return; - } - - writel(value, &bank->pull); -} - -void gpio_set_drv(struct s5pc1xx_gpio_bank *bank, int gpio, int mode) -{ - unsigned int value; - - value = readl(&bank->drv); - value &= ~DRV_MASK(gpio); - - switch (mode) { - case GPIO_DRV_1X: - case GPIO_DRV_2X: - case GPIO_DRV_3X: - case GPIO_DRV_4X: - value |= DRV_SET(gpio, mode); - break; - default: - return; - } - - writel(value, &bank->drv); -} - -void gpio_set_rate(struct s5pc1xx_gpio_bank *bank, int gpio, int mode) -{ - unsigned int value; - - value = readl(&bank->drv); - value &= ~RATE_MASK(gpio); - - switch (mode) { - case GPIO_DRV_FAST: - case GPIO_DRV_SLOW: - value |= RATE_SET(gpio); - break; - default: - return; - } - - writel(value, &bank->drv); -} diff --git a/cpu/arm_cortexa8/s5pc1xx/reset.S b/cpu/arm_cortexa8/s5pc1xx/reset.S deleted file mode 100644 index 7f6ff9c35f..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/reset.S +++ /dev/null @@ -1,47 +0,0 @@ -/* - * Copyright (c) 2009 Samsung Electronics. - * Minkyu Kang <mk7.kang@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <asm/arch/cpu.h> - -#define S5PC100_SWRESET 0xE0200000 -#define S5PC110_SWRESET 0xE0102000 - -.globl reset_cpu -reset_cpu: - ldr r1, =S5PC1XX_PRO_ID - ldr r2, [r1] - ldr r4, =0x00010000 - and r4, r2, r4 - cmp r4, #0 - bne 110f - /* S5PC100 */ - ldr r1, =S5PC100_SWRESET - ldr r2, =0xC100 - b 200f -110: /* S5PC110 */ - ldr r1, =S5PC110_SWRESET - mov r2, #1 -200: - str r2, [r1] -_loop_forever: - b _loop_forever diff --git a/cpu/arm_cortexa8/s5pc1xx/sromc.c b/cpu/arm_cortexa8/s5pc1xx/sromc.c deleted file mode 100644 index 380be81be5..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/sromc.c +++ /dev/null @@ -1,53 +0,0 @@ -/* - * Copyright (C) 2010 Samsung Electronics - * Naveen Krishna Ch <ch.naveen@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/smc.h> - -/* - * s5pc1xx_config_sromc() - select the proper SROMC Bank and configure the - * band width control and bank control registers - * srom_bank - SROM Bank 0 to 5 - * smc_bw_conf - SMC Band witdh reg configuration value - * smc_bc_conf - SMC Bank Control reg configuration value - */ -void s5pc1xx_config_sromc(u32 srom_bank, u32 smc_bw_conf, u32 smc_bc_conf) -{ - u32 tmp; - struct s5pc1xx_smc *srom; - - if (cpu_is_s5pc100()) - srom = (struct s5pc1xx_smc *)S5PC100_SROMC_BASE; - else - srom = (struct s5pc1xx_smc *)S5PC110_SROMC_BASE; - - /* Configure SMC_BW register to handle proper SROMC bank */ - tmp = srom->bw; - tmp &= ~(0xF << (srom_bank * 4)); - tmp |= smc_bw_conf; - srom->bw = tmp; - - /* Configure SMC_BC register */ - srom->bc[srom_bank] = smc_bc_conf; -} diff --git a/cpu/arm_cortexa8/s5pc1xx/timer.c b/cpu/arm_cortexa8/s5pc1xx/timer.c deleted file mode 100644 index c5df5c5ab5..0000000000 --- a/cpu/arm_cortexa8/s5pc1xx/timer.c +++ /dev/null @@ -1,195 +0,0 @@ -/* - * Copyright (C) 2009 Samsung Electronics - * Heungjun Kim <riverful.kim@samsung.com> - * Inki Dae <inki.dae@samsung.com> - * Minkyu Kang <mk7.kang@samsung.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <common.h> -#include <asm/io.h> -#include <asm/arch/pwm.h> -#include <asm/arch/clk.h> - -#define PRESCALER_1 (16 - 1) /* prescaler of timer 2, 3, 4 */ -#define MUX_DIV_2 1 /* 1/2 period */ -#define MUX_DIV_4 2 /* 1/4 period */ -#define MUX_DIV_8 3 /* 1/8 period */ -#define MUX_DIV_16 4 /* 1/16 period */ -#define MUX4_DIV_SHIFT 16 - -#define TCON_TIMER4_SHIFT 20 - -static unsigned long count_value; - -/* Internal tick units */ -static unsigned long long timestamp; /* Monotonic incrementing timer */ -static unsigned long lastdec; /* Last decremneter snapshot */ - -/* macro to read the 16 bit timer */ -static inline struct s5pc1xx_timer *s5pc1xx_get_base_timer(void) -{ - if (cpu_is_s5pc110()) - return (struct s5pc1xx_timer *)S5PC110_TIMER_BASE; - else - return (struct s5pc1xx_timer *)S5PC100_TIMER_BASE; -} - -int timer_init(void) -{ - struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer(); - u32 val; - - /* - * @ PWM Timer 4 - * Timer Freq(HZ) = - * PCLK / { (prescaler_value + 1) * (divider_value) } - */ - - /* set prescaler : 16 */ - /* set divider : 2 */ - writel((PRESCALER_1 & 0xff) << 8, &timer->tcfg0); - writel((MUX_DIV_2 & 0xf) << MUX4_DIV_SHIFT, &timer->tcfg1); - - if (count_value == 0) { - /* reset initial value */ - /* count_value = 2085937.5(HZ) (per 1 sec)*/ - count_value = get_pclk() / ((PRESCALER_1 + 1) * - (MUX_DIV_2 + 1)); - - /* count_value / 100 = 20859.375(HZ) (per 10 msec) */ - count_value = count_value / 100; - } - - /* set count value */ - writel(count_value, &timer->tcntb4); - lastdec = count_value; - - val = (readl(&timer->tcon) & ~(0x07 << TCON_TIMER4_SHIFT)) | - S5PC1XX_TCON4_AUTO_RELOAD; - - /* auto reload & manual update */ - writel(val | S5PC1XX_TCON4_UPDATE, &timer->tcon); - - /* start PWM timer 4 */ - writel(val | S5PC1XX_TCON4_START, &timer->tcon); - - timestamp = 0; - - return 0; -} - -/* - * timer without interrupts - */ -void reset_timer(void) -{ - reset_timer_masked(); -} - -unsigned long get_timer(unsigned long base) -{ - return get_timer_masked() - base; -} - -void set_timer(unsigned long t) -{ - timestamp = t; -} - -/* delay x useconds */ -void __udelay(unsigned long usec) -{ - unsigned long tmo, tmp; - - if (usec >= 1000) { - /* - * if "big" number, spread normalization - * to seconds - * 1. start to normalize for usec to ticks per sec - * 2. find number of "ticks" to wait to achieve target - * 3. finish normalize. - */ - tmo = usec / 1000; - tmo *= (CONFIG_SYS_HZ * count_value / 10); - tmo /= 1000; - } else { - /* else small number, don't kill it prior to HZ multiply */ - tmo = usec * CONFIG_SYS_HZ * count_value / 10; - tmo /= (1000 * 1000); - } - - /* get current timestamp */ - tmp = get_timer(0); - - /* if setting this fordward will roll time stamp */ - /* reset "advancing" timestamp to 0, set lastdec value */ - /* else, set advancing stamp wake up time */ - if ((tmo + tmp + 1) < tmp) - reset_timer_masked(); - else - tmo += tmp; - - /* loop till event */ - while (get_timer_masked() < tmo) - ; /* nop */ -} - -void reset_timer_masked(void) -{ - struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer(); - - /* reset time */ - lastdec = readl(&timer->tcnto4); - timestamp = 0; -} - -unsigned long get_timer_masked(void) -{ - struct s5pc1xx_timer *const timer = s5pc1xx_get_base_timer(); - unsigned long now = readl(&timer->tcnto4); - - if (lastdec >= now) - timestamp += lastdec - now; - else - timestamp += lastdec + count_value - now; - - lastdec = now; - - return timestamp; -} - -/* - * This function is derived from PowerPC code (read timebase as long long). - * On ARM it just returns the timer value. - */ -unsigned long long get_ticks(void) -{ - return get_timer(0); -} - -/* - * This function is derived from PowerPC code (timebase clock frequency). - * On ARM it returns the number of timer ticks per second. - */ -unsigned long get_tbclk(void) -{ - return CONFIG_SYS_HZ; -} diff --git a/cpu/arm_cortexa8/start.S b/cpu/arm_cortexa8/start.S deleted file mode 100644 index 29dae2f282..0000000000 --- a/cpu/arm_cortexa8/start.S +++ /dev/null @@ -1,416 +0,0 @@ -/* - * armboot - Startup Code for OMAP3530/ARM Cortex CPU-core - * - * Copyright (c) 2004 Texas Instruments <r-woodruff2@ti.com> - * - * Copyright (c) 2001 Marius Gröger <mag@sysgo.de> - * Copyright (c) 2002 Alex Züpke <azu@sysgo.de> - * Copyright (c) 2002 Gary Jennejohn <garyj@denx.de> - * Copyright (c) 2003 Richard Woodruff <r-woodruff2@ti.com> - * Copyright (c) 2003 Kshitij <kshitij@ti.com> - * Copyright (c) 2006-2008 Syed Mohammed Khasim <x0khasim@ti.com> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -#include <config.h> -#include <version.h> - -.globl _start -_start: b reset - ldr pc, _undefined_instruction - ldr pc, _software_interrupt - ldr pc, _prefetch_abort - ldr pc, _data_abort - ldr pc, _not_used - ldr pc, _irq - ldr pc, _fiq - -_undefined_instruction: .word undefined_instruction -_software_interrupt: .word software_interrupt -_prefetch_abort: .word prefetch_abort -_data_abort: .word data_abort -_not_used: .word not_used -_irq: .word irq -_fiq: .word fiq -_pad: .word 0x12345678 /* now 16*4=64 */ -.global _end_vect -_end_vect: - - .balignl 16,0xdeadbeef -/************************************************************************* - * - * Startup Code (reset vector) - * - * do important init only if we don't start from memory! - * setup Memory and board specific bits prior to relocation. - * relocate armboot to ram - * setup stack - * - *************************************************************************/ - -_TEXT_BASE: - .word TEXT_BASE - -.globl _armboot_start -_armboot_start: - .word _start - -/* - * These are defined in the board-specific linker script. - */ -.globl _bss_start -_bss_start: - .word __bss_start - -.globl _bss_end -_bss_end: - .word _end - -#ifdef CONFIG_USE_IRQ -/* IRQ stack memory (calculated at run-time) */ -.globl IRQ_STACK_START -IRQ_STACK_START: - .word 0x0badc0de - -/* IRQ stack memory (calculated at run-time) */ -.globl FIQ_STACK_START -FIQ_STACK_START: - .word 0x0badc0de -#endif - -/* - * the actual reset code - */ - -reset: - /* - * set the cpu to SVC32 mode - */ - mrs r0, cpsr - bic r0, r0, #0x1f - orr r0, r0, #0xd3 - msr cpsr,r0 - -#if (CONFIG_OMAP34XX) - /* Copy vectors to mask ROM indirect addr */ - adr r0, _start @ r0 <- current position of code - add r0, r0, #4 @ skip reset vector - mov r2, #64 @ r2 <- size to copy - add r2, r0, r2 @ r2 <- source end address - mov r1, #SRAM_OFFSET0 @ build vect addr - mov r3, #SRAM_OFFSET1 - add r1, r1, r3 - mov r3, #SRAM_OFFSET2 - add r1, r1, r3 -next: - ldmia r0!, {r3 - r10} @ copy from source address [r0] - stmia r1!, {r3 - r10} @ copy to target address [r1] - cmp r0, r2 @ until source end address [r2] - bne next @ loop until equal */ -#if !defined(CONFIG_SYS_NAND_BOOT) && !defined(CONFIG_SYS_ONENAND_BOOT) - /* No need to copy/exec the clock code - DPLL adjust already done - * in NAND/oneNAND Boot. - */ - bl cpy_clk_code @ put dpll adjust code behind vectors -#endif /* NAND Boot */ -#endif - /* the mask ROM code should have PLL and others stable */ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - bl cpu_init_crit -#endif - -#ifndef CONFIG_SKIP_RELOCATE_UBOOT -relocate: @ relocate U-Boot to RAM - adr r0, _start @ r0 <- current position of code - ldr r1, _TEXT_BASE @ test if we run from flash or RAM - cmp r0, r1 @ don't reloc during debug - beq stack_setup - - ldr r2, _armboot_start - ldr r3, _bss_start - sub r2, r3, r2 @ r2 <- size of armboot - add r2, r0, r2 @ r2 <- source end address - -copy_loop: @ copy 32 bytes at a time - ldmia r0!, {r3 - r10} @ copy from source address [r0] - stmia r1!, {r3 - r10} @ copy to target address [r1] - cmp r0, r2 @ until source end addreee [r2] - ble copy_loop -#endif /* CONFIG_SKIP_RELOCATE_UBOOT */ - - /* Set up the stack */ -stack_setup: - ldr r0, _TEXT_BASE @ upper 128 KiB: relocated uboot - sub r0, r0, #CONFIG_SYS_MALLOC_LEN @ malloc area - sub r0, r0, #CONFIG_SYS_GBL_DATA_SIZE @ bdinfo -#ifdef CONFIG_USE_IRQ - sub r0, r0, #(CONFIG_STACKSIZE_IRQ + CONFIG_STACKSIZE_FIQ) -#endif - sub sp, r0, #12 @ leave 3 words for abort-stack - and sp, sp, #~7 @ 8 byte alinged for (ldr/str)d - - /* Clear BSS (if any). Is below tx (watch load addr - need space) */ -clear_bss: - ldr r0, _bss_start @ find start of bss segment - ldr r1, _bss_end @ stop here - mov r2, #0x00000000 @ clear value -clbss_l: - str r2, [r0] @ clear BSS location - cmp r0, r1 @ are we at the end yet - add r0, r0, #4 @ increment clear index pointer - bne clbss_l @ keep clearing till at end - - ldr pc, _start_armboot @ jump to C code - -_start_armboot: .word start_armboot - - -/************************************************************************* - * - * CPU_init_critical registers - * - * setup important registers - * setup memory timing - * - *************************************************************************/ -cpu_init_crit: - /* - * Invalidate L1 I/D - */ - mov r0, #0 @ set up for MCR - mcr p15, 0, r0, c8, c7, 0 @ invalidate TLBs - mcr p15, 0, r0, c7, c5, 0 @ invalidate icache - - /* - * disable MMU stuff and caches - */ - mrc p15, 0, r0, c1, c0, 0 - bic r0, r0, #0x00002000 @ clear bits 13 (--V-) - bic r0, r0, #0x00000007 @ clear bits 2:0 (-CAM) - orr r0, r0, #0x00000002 @ set bit 1 (--A-) Align - orr r0, r0, #0x00000800 @ set bit 12 (Z---) BTB - mcr p15, 0, r0, c1, c0, 0 - - /* - * Jump to board specific initialization... - * The Mask ROM will have already initialized - * basic memory. Go here to bump up clock rate and handle - * wake up conditions. - */ - mov ip, lr @ persevere link reg across call - bl lowlevel_init @ go setup pll,mux,memory - mov lr, ip @ restore link - mov pc, lr @ back to my caller -/* - ************************************************************************* - * - * Interrupt handling - * - ************************************************************************* - */ -@ -@ IRQ stack frame. -@ -#define S_FRAME_SIZE 72 - -#define S_OLD_R0 68 -#define S_PSR 64 -#define S_PC 60 -#define S_LR 56 -#define S_SP 52 - -#define S_IP 48 -#define S_FP 44 -#define S_R10 40 -#define S_R9 36 -#define S_R8 32 -#define S_R7 28 -#define S_R6 24 -#define S_R5 20 -#define S_R4 16 -#define S_R3 12 -#define S_R2 8 -#define S_R1 4 -#define S_R0 0 - -#define MODE_SVC 0x13 -#define I_BIT 0x80 - -/* - * use bad_save_user_regs for abort/prefetch/undef/swi ... - * use irq_save_user_regs / irq_restore_user_regs for IRQ/FIQ handling - */ - - .macro bad_save_user_regs - sub sp, sp, #S_FRAME_SIZE @ carve out a frame on current - @ user stack - stmia sp, {r0 - r12} @ Save user registers (now in - @ svc mode) r0-r12 - - ldr r2, _armboot_start - sub r2, r2, #(CONFIG_SYS_MALLOC_LEN) - sub r2, r2, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ set base 2 words into abort - @ stack - ldmia r2, {r2 - r3} @ get values for "aborted" pc - @ and cpsr (into parm regs) - add r0, sp, #S_FRAME_SIZE @ grab pointer to old stack - - add r5, sp, #S_SP - mov r1, lr - stmia r5, {r0 - r3} @ save sp_SVC, lr_SVC, pc, cpsr - mov r0, sp @ save current stack into r0 - @ (param register) - .endm - - .macro irq_save_user_regs - sub sp, sp, #S_FRAME_SIZE - stmia sp, {r0 - r12} @ Calling r0-r12 - add r8, sp, #S_PC @ !! R8 NEEDS to be saved !! - @ a reserved stack spot would - @ be good. - stmdb r8, {sp, lr}^ @ Calling SP, LR - str lr, [r8, #0] @ Save calling PC - mrs r6, spsr - str r6, [r8, #4] @ Save CPSR - str r0, [r8, #8] @ Save OLD_R0 - mov r0, sp - .endm - - .macro irq_restore_user_regs - ldmia sp, {r0 - lr}^ @ Calling r0 - lr - mov r0, r0 - ldr lr, [sp, #S_PC] @ Get PC - add sp, sp, #S_FRAME_SIZE - subs pc, lr, #4 @ return & move spsr_svc into - @ cpsr - .endm - - .macro get_bad_stack - ldr r13, _armboot_start @ setup our mode stack (enter - @ in banked mode) - sub r13, r13, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool - sub r13, r13, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move to reserved a couple - @ spots for abort stack - - str lr, [r13] @ save caller lr in position 0 - @ of saved stack - mrs lr, spsr @ get the spsr - str lr, [r13, #4] @ save spsr in position 1 of - @ saved stack - - mov r13, #MODE_SVC @ prepare SVC-Mode - @ msr spsr_c, r13 - msr spsr, r13 @ switch modes, make sure - @ moves will execute - mov lr, pc @ capture return pc - movs pc, lr @ jump to next instruction & - @ switch modes. - .endm - - .macro get_bad_stack_swi - sub r13, r13, #4 @ space on current stack for - @ scratch reg. - str r0, [r13] @ save R0's value. - ldr r0, _armboot_start @ get data regions start - sub r0, r0, #(CONFIG_SYS_MALLOC_LEN) @ move past malloc pool - sub r0, r0, #(CONFIG_SYS_GBL_DATA_SIZE + 8) @ move past gbl and a couple - @ spots for abort stack - str lr, [r0] @ save caller lr in position 0 - @ of saved stack - mrs r0, spsr @ get the spsr - str lr, [r0, #4] @ save spsr in position 1 of - @ saved stack - ldr r0, [r13] @ restore r0 - add r13, r13, #4 @ pop stack entry - .endm - - .macro get_irq_stack @ setup IRQ stack - ldr sp, IRQ_STACK_START - .endm - - .macro get_fiq_stack @ setup FIQ stack - ldr sp, FIQ_STACK_START - .endm - -/* - * exception handlers - */ - .align 5 -undefined_instruction: - get_bad_stack - bad_save_user_regs - bl do_undefined_instruction - - .align 5 -software_interrupt: - get_bad_stack_swi - bad_save_user_regs - bl do_software_interrupt - - .align 5 -prefetch_abort: - get_bad_stack - bad_save_user_regs - bl do_prefetch_abort - - .align 5 -data_abort: - get_bad_stack - bad_save_user_regs - bl do_data_abort - - .align 5 -not_used: - get_bad_stack - bad_save_user_regs - bl do_not_used - -#ifdef CONFIG_USE_IRQ - - .align 5 -irq: - get_irq_stack - irq_save_user_regs - bl do_irq - irq_restore_user_regs - - .align 5 -fiq: - get_fiq_stack - /* someone ought to write a more effective fiq_save_user_regs */ - irq_save_user_regs - bl do_fiq - irq_restore_user_regs - -#else - - .align 5 -irq: - get_bad_stack - bad_save_user_regs - bl do_irq - - .align 5 -fiq: - get_bad_stack - bad_save_user_regs - bl do_fiq - -#endif diff --git a/cpu/arm_cortexa8/u-boot.lds b/cpu/arm_cortexa8/u-boot.lds deleted file mode 100644 index 4f1711cca0..0000000000 --- a/cpu/arm_cortexa8/u-boot.lds +++ /dev/null @@ -1,58 +0,0 @@ -/* - * January 2004 - Changed to support H4 device - * Copyright (c) 2004-2008 Texas Instruments - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, <garyj@denx.de> - * - * See file CREDITS for list of people who contributed to this - * project. - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License as - * published by the Free Software Foundation; either version 2 of - * the License, or (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program; if not, write to the Free Software - * Foundation, Inc., 59 Temple Place, Suite 330, Boston, - * MA 02111-1307 USA - */ - -OUTPUT_FORMAT("elf32-littlearm", "elf32-littlearm", "elf32-littlearm") -OUTPUT_ARCH(arm) -ENTRY(_start) -SECTIONS -{ - . = 0x00000000; - - . = ALIGN(4); - .text : - { - cpu/arm_cortexa8/start.o (.text) - *(.text) - } - - . = ALIGN(4); - .rodata : { *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) } - - . = ALIGN(4); - .data : { *(.data) } - - . = ALIGN(4); - .got : { *(.got) } - - __u_boot_cmd_start = .; - .u_boot_cmd : { *(.u_boot_cmd) } - __u_boot_cmd_end = .; - - . = ALIGN(4); - __bss_start = .; - .bss : { *(.bss) } - _end = .; -} |