From f5acb9fd9bba1160de3ef349c7d33fe510eda286 Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Wed, 13 Aug 2008 01:40:09 +0200 Subject: mx31: move freescale's mx31 boards to vendor board dir Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD --- board/freescale/mx31ads/Makefile | 47 ++++++ board/freescale/mx31ads/config.mk | 1 + board/freescale/mx31ads/lowlevel_init.S | 281 ++++++++++++++++++++++++++++++++ board/freescale/mx31ads/mx31ads.c | 106 ++++++++++++ board/freescale/mx31ads/u-boot.lds | 70 ++++++++ board/mx31ads/Makefile | 47 ------ board/mx31ads/config.mk | 1 - board/mx31ads/lowlevel_init.S | 281 -------------------------------- board/mx31ads/mx31ads.c | 106 ------------ board/mx31ads/u-boot.lds | 70 -------- 10 files changed, 505 insertions(+), 505 deletions(-) create mode 100644 board/freescale/mx31ads/Makefile create mode 100644 board/freescale/mx31ads/config.mk create mode 100644 board/freescale/mx31ads/lowlevel_init.S create mode 100644 board/freescale/mx31ads/mx31ads.c create mode 100644 board/freescale/mx31ads/u-boot.lds delete mode 100644 board/mx31ads/Makefile delete mode 100644 board/mx31ads/config.mk delete mode 100644 board/mx31ads/lowlevel_init.S delete mode 100644 board/mx31ads/mx31ads.c delete mode 100644 board/mx31ads/u-boot.lds (limited to 'board') diff --git a/board/freescale/mx31ads/Makefile b/board/freescale/mx31ads/Makefile new file mode 100644 index 00000000000..a12f39174be --- /dev/null +++ b/board/freescale/mx31ads/Makefile @@ -0,0 +1,47 @@ +# +# Copyright (C) 2008, Guennadi Liakhovetski +# +# 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 = $(obj)lib$(BOARD).a + +COBJS := mx31ads.o +SOBJS := lowlevel_init.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/freescale/mx31ads/config.mk b/board/freescale/mx31ads/config.mk new file mode 100644 index 00000000000..d34dc02d96a --- /dev/null +++ b/board/freescale/mx31ads/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x87f00000 diff --git a/board/freescale/mx31ads/lowlevel_init.S b/board/freescale/mx31ads/lowlevel_init.S new file mode 100644 index 00000000000..e16605836be --- /dev/null +++ b/board/freescale/mx31ads/lowlevel_init.S @@ -0,0 +1,281 @@ +/* + * Copyright (C) 2008, Guennadi Liakhovetski + * + * 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 + +.macro REG reg, val + ldr r2, =\reg + ldr r3, =\val + str r3, [r2] +.endm + +.macro REG8 reg, val + ldr r2, =\reg + ldr r3, =\val + strb r3, [r2] +.endm + +.macro DELAY loops + ldr r2, =\loops +1: + subs r2, r2, #1 + nop + bcs 1b +.endm + +/* RedBoot: 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, =0x43F00000 + ldr r1, =0x77777777 + str r1, [r0, #0x00] + str r1, [r0, #0x04] + ldr r0, =0x53F00000 + str r1, [r0, #0x00] + str r1, [r0, #0x04] + + /* + * 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 + */ + ldr r0, =0x43F00000 + ldr r1, =0x0 + str r1, [r0, #0x40] + str r1, [r0, #0x44] + str r1, [r0, #0x48] + str r1, [r0, #0x4C] + ldr r1, [r0, #0x50] + and r1, r1, #0x00FFFFFF + str r1, [r0, #0x50] + + ldr r0, =0x53F00000 + ldr r1, =0x0 + str r1, [r0, #0x40] + str r1, [r0, #0x44] + str r1, [r0, #0x48] + str r1, [r0, #0x4C] + ldr r1, [r0, #0x50] + and r1, r1, #0x00FFFFFF + str r1, [r0, #0x50] +.endm /* init_aips */ + +/* RedBoot: MAX (Multi-Layer AHB Crossbar Switch) setup */ +.macro init_max + ldr r0, =0x43F04000 + /* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */ + ldr r1, =0x00302154 + str r1, [r0, #0x000] /* for S0 */ + str r1, [r0, #0x100] /* for S1 */ + str r1, [r0, #0x200] /* for S2 */ + str r1, [r0, #0x300] /* for S3 */ + str r1, [r0, #0x400] /* for S4 */ + /* SGPCR - always park on last master */ + ldr r1, =0x10 + str r1, [r0, #0x010] /* for S0 */ + str r1, [r0, #0x110] /* for S1 */ + str r1, [r0, #0x210] /* for S2 */ + str r1, [r0, #0x310] /* for S3 */ + str r1, [r0, #0x410] /* for S4 */ + /* MGPCR - restore default values */ + ldr r1, =0x0 + str r1, [r0, #0x800] /* for M0 */ + str r1, [r0, #0x900] /* for M1 */ + str r1, [r0, #0xA00] /* for M2 */ + str r1, [r0, #0xB00] /* for M3 */ + str r1, [r0, #0xC00] /* for M4 */ + str r1, [r0, #0xD00] /* for M5 */ +.endm /* init_max */ + +/* RedBoot: M3IF setup */ +.macro init_m3if + /* Configure M3IF registers */ + ldr r1, =0xB8003000 + /* + * M3IF Control Register (M3IFCTL) + * MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000 + * MRRP[1] = L2CC1 not on priority list (0 << 0) = 0x00000000 + * MRRP[2] = MBX not on priority list (0 << 0) = 0x00000000 + * MRRP[3] = MAX1 not on priority list (0 << 0) = 0x00000000 + * MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000 + * MRRP[5] = MPEG4 not on priority list (0 << 0) = 0x00000000 + * MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040 + * MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000 + * ------------ + * 0x00000040 + */ + ldr r0, =0x00000040 + str r0, [r1] /* M3IF control reg */ +.endm /* init_m3if */ + +/* RedBoot: To support 133MHz DDR */ +.macro init_drive_strength + /* + * Disable maximum drive strength SDRAM/DDR lines by clearing DSE1 bits + * in SW_PAD_CTL registers + */ + + /* SDCLK */ + ldr r1, =0x43FAC200 + ldr r0, [r1, #0x6C] + bic r0, r0, #(1 << 12) + str r0, [r1, #0x6C] + + /* CAS */ + ldr r0, [r1, #0x70] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x70] + + /* RAS */ + ldr r0, [r1, #0x74] + bic r0, r0, #(1 << 2) + str r0, [r1, #0x74] + + /* CS2 (CSD0) */ + ldr r0, [r1, #0x7C] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x7C] + + /* DQM3 */ + ldr r0, [r1, #0x84] + bic r0, r0, #(1 << 22) + str r0, [r1, #0x84] + + /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */ + ldr r2, =22 /* (0x2E0 - 0x288) / 4 = 22 */ +pad_loop: + ldr r0, [r1, #0x88] + bic r0, r0, #(1 << 22) + bic r0, r0, #(1 << 12) + bic r0, r0, #(1 << 2) + str r0, [r1, #0x88] + add r1, r1, #4 + subs r2, r2, #0x1 + bne pad_loop +.endm /* init_drive_strength */ + +/* CPLD on CS4 setup */ +.macro init_cs4 + ldr r0, =WEIM_BASE + ldr r1, =0x0000D843 + str r1, [r0, #0x40] + ldr r1, =0x22252521 + str r1, [r0, #0x44] + ldr r1, =0x22220A00 + str r1, [r0, #0x48] +.endm /* init_cs4 */ + +.globl lowlevel_init +lowlevel_init: + + /* Redboot initializes very early AIPS, what for? + * Then it also initializes Multi-Layer AHB Crossbar Switch, + * M3IF */ + /* Also setup the Peripheral Port Remap register inside the core */ + ldr r0, =0x40000015 /* start from AIPS 2GB region */ + mcr p15, 0, r0, c15, c2, 4 + + init_aips + + init_max + + init_m3if + + init_drive_strength + + init_cs4 + + /* Image Processing Unit: */ + /* Too early to switch display on? */ + REG IPU_CONF, IPU_CONF_DI_EN /* Switch on Display Interface */ + /* Clock Control Module: */ + REG CCM_CCMR, 0x074B0BF5 /* Use CKIH, MCU PLL off */ + + DELAY 0x40000 + + REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE /* MCU PLL on */ + REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS /* Switch to MCU PLL */ + + /* PBC CPLD on CS4 */ + mov r1, #CS4_BASE + ldrh r1, [r1, #0x2] + /* Is 27MHz switch set? */ + ands r1, r1, #0x10 + + /* 532-133-66.5 */ + ldr r0, =CCM_BASE + ldr r1, =0xFF871D58 + /* PDR0 */ + str r1, [r0, #0x4] + ldreq r1, MPCTL_PARAM_532 + ldrne r1, MPCTL_PARAM_532_27 + /* MPCTL */ + str r1, [r0, #0x10] + + /* Set UPLL=240MHz, USB=60MHz */ + ldr r1, =0x49FCFE7F + /* PDR1 */ + str r1, [r0, #0x8] + ldreq r1, UPCTL_PARAM_240 + ldrne r1, UPCTL_PARAM_240_27 + /* UPCTL */ + str r1, [r0, #0x14] + /* default CLKO to 1/8 of the ARM core */ + mov r1, #0x000002C0 + add r1, r1, #0x00000006 + /* COSR */ + str r1, [r0, #0x1c] + + /* RedBoot sets 0x1ff, 7, 3, 5, 1, 3, 0 */ +/* REG CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)*/ + + /* Redboot: 0, 51, 10, 12 / 0, 14, 9, 13 */ +/* REG CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) | PLL_MFN(0x23)*/ + /* Default: 1, 4, 12, 1 */ + REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1) + + /* B8xxxxxx - NAND, 8xxxxxxx - CSD0 RAM */ + REG 0xB8001010, 0x00000004 + REG 0xB8001004, 0x006ac73a + REG 0xB8001000, 0x92100000 + REG 0x80000f00, 0x12344321 + REG 0xB8001000, 0xa2100000 + REG 0x80000000, 0x12344321 + REG 0x80000000, 0x12344321 + REG 0xB8001000, 0xb2100000 + REG8 0x80000033, 0xda + REG8 0x81000000, 0xff + REG 0xB8001000, 0x82226080 + REG 0x80000000, 0xDEADBEEF + REG 0xB8001010, 0x0000000c + + mov pc, lr + +MPCTL_PARAM_532: + .word (((1-1) << 26) + ((52-1) << 16) + (10 << 10) + (12 << 0)) +MPCTL_PARAM_532_27: + .word (((1-1) << 26) + ((15-1) << 16) + (9 << 10) + (13 << 0)) +UPCTL_PARAM_240: + .word (((2-1) << 26) + ((13-1) << 16) + (9 << 10) + (3 << 0)) +UPCTL_PARAM_240_27: + .word (((2-1) << 26) + ((9 -1) << 16) + (8 << 10) + (8 << 0)) diff --git a/board/freescale/mx31ads/mx31ads.c b/board/freescale/mx31ads/mx31ads.c new file mode 100644 index 00000000000..c24c47c57f8 --- /dev/null +++ b/board/freescale/mx31ads/mx31ads.c @@ -0,0 +1,106 @@ +/* + * Copyright (C) 2008, Guennadi Liakhovetski + * + * 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 +#include +#include +#include + +DECLARE_GLOBAL_DATA_PTR; + +int dram_init (void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM_1; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; + + return 0; +} + +int board_init (void) +{ + int i; + + /* CS0: Nor Flash */ + /* + * CS0L and CS0A values are from the RedBoot sources by Freescale + * and are also equal to those used by Sascha Hauer for the Phytec + * i.MX31 board. CS0U is just a slightly optimized hardware default: + * the only non-zero field "Wait State Control" is set to half the + * default value. + */ + __REG(CSCR_U(0)) = 0x00000f00; + __REG(CSCR_L(0)) = 0x10000D03; + __REG(CSCR_A(0)) = 0x00720900; + + /* setup pins for UART1 */ + mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); + mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); + mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); + mx31_gpio_mux(MUX_CTS1__UART1_CTS_B); + + /* SPI2 */ + mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B); + mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK); + mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B); + mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI); + mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO); + mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B); + mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B); + + /* start SPI2 clock */ + __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); + + /* PBC setup */ + /* Enable UART transceivers also reset the Ethernet/external UART */ + readw(CS4_BASE + 4); + + writew(0x8023, CS4_BASE + 4); + + /* RedBoot also has an empty loop with 100000 iterations here - + * clock doesn't run yet */ + for (i = 0; i < 100000; i++) + ; + + /* Clear the reset, toggle the LEDs */ + writew(0xDF, CS4_BASE + 6); + + /* clock still doesn't run */ + for (i = 0; i < 100000; i++) + ; + + /* See 1.5.4 in IMX31ADSE_PERI_BUS_CNTRL_CPLD_RM.pdf */ + readb(CS4_BASE + 8); + readb(CS4_BASE + 7); + readb(CS4_BASE + 8); + readb(CS4_BASE + 7); + + gd->bd->bi_arch_number = MACH_TYPE_MX31ADS; /* board id for linux */ + gd->bd->bi_boot_params = 0x80000100; /* adress of boot parameters */ + + return 0; +} + +int checkboard (void) +{ + printf("Board: MX31ADS\n"); + return 0; +} diff --git a/board/freescale/mx31ads/u-boot.lds b/board/freescale/mx31ads/u-boot.lds new file mode 100644 index 00000000000..c379460c9b0 --- /dev/null +++ b/board/freescale/mx31ads/u-boot.lds @@ -0,0 +1,70 @@ +/* + * January 2004 - Changed to support H4 device + * Copyright (c) 2004 Texas Instruments + * + * (C) Copyright 2002 + * Gary Jennejohn, DENX Software Engineering, + * + * 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 : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + cpu/arm1136/start.o (.text) + board/freescale/mx31ads/libmx31ads.a (.text) + lib_arm/libarm.a (.text) + net/libnet.a (.text) + drivers/mtd/libmtd.a (.text) + + . = DEFINED(env_offset) ? env_offset : .; + common/environment.o(.text) + + *(.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/board/mx31ads/Makefile b/board/mx31ads/Makefile deleted file mode 100644 index a12f39174be..00000000000 --- a/board/mx31ads/Makefile +++ /dev/null @@ -1,47 +0,0 @@ -# -# Copyright (C) 2008, Guennadi Liakhovetski -# -# 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 = $(obj)lib$(BOARD).a - -COBJS := mx31ads.o -SOBJS := lowlevel_init.o - -SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) -OBJS := $(addprefix $(obj),$(COBJS)) -SOBJS := $(addprefix $(obj),$(SOBJS)) - -$(LIB): $(obj).depend $(OBJS) $(SOBJS) - $(AR) $(ARFLAGS) $@ $(OBJS) $(SOBJS) - -clean: - rm -f $(SOBJS) $(OBJS) - -distclean: clean - rm -f $(LIB) core *.bak $(obj).depend - -######################################################################### - -# defines $(obj).depend target -include $(SRCTREE)/rules.mk - -sinclude $(obj).depend - -######################################################################### diff --git a/board/mx31ads/config.mk b/board/mx31ads/config.mk deleted file mode 100644 index d34dc02d96a..00000000000 --- a/board/mx31ads/config.mk +++ /dev/null @@ -1 +0,0 @@ -TEXT_BASE = 0x87f00000 diff --git a/board/mx31ads/lowlevel_init.S b/board/mx31ads/lowlevel_init.S deleted file mode 100644 index e16605836be..00000000000 --- a/board/mx31ads/lowlevel_init.S +++ /dev/null @@ -1,281 +0,0 @@ -/* - * Copyright (C) 2008, Guennadi Liakhovetski - * - * 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 - -.macro REG reg, val - ldr r2, =\reg - ldr r3, =\val - str r3, [r2] -.endm - -.macro REG8 reg, val - ldr r2, =\reg - ldr r3, =\val - strb r3, [r2] -.endm - -.macro DELAY loops - ldr r2, =\loops -1: - subs r2, r2, #1 - nop - bcs 1b -.endm - -/* RedBoot: 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, =0x43F00000 - ldr r1, =0x77777777 - str r1, [r0, #0x00] - str r1, [r0, #0x04] - ldr r0, =0x53F00000 - str r1, [r0, #0x00] - str r1, [r0, #0x04] - - /* - * 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 - */ - ldr r0, =0x43F00000 - ldr r1, =0x0 - str r1, [r0, #0x40] - str r1, [r0, #0x44] - str r1, [r0, #0x48] - str r1, [r0, #0x4C] - ldr r1, [r0, #0x50] - and r1, r1, #0x00FFFFFF - str r1, [r0, #0x50] - - ldr r0, =0x53F00000 - ldr r1, =0x0 - str r1, [r0, #0x40] - str r1, [r0, #0x44] - str r1, [r0, #0x48] - str r1, [r0, #0x4C] - ldr r1, [r0, #0x50] - and r1, r1, #0x00FFFFFF - str r1, [r0, #0x50] -.endm /* init_aips */ - -/* RedBoot: MAX (Multi-Layer AHB Crossbar Switch) setup */ -.macro init_max - ldr r0, =0x43F04000 - /* MPR - priority is M4 > M2 > M3 > M5 > M0 > M1 */ - ldr r1, =0x00302154 - str r1, [r0, #0x000] /* for S0 */ - str r1, [r0, #0x100] /* for S1 */ - str r1, [r0, #0x200] /* for S2 */ - str r1, [r0, #0x300] /* for S3 */ - str r1, [r0, #0x400] /* for S4 */ - /* SGPCR - always park on last master */ - ldr r1, =0x10 - str r1, [r0, #0x010] /* for S0 */ - str r1, [r0, #0x110] /* for S1 */ - str r1, [r0, #0x210] /* for S2 */ - str r1, [r0, #0x310] /* for S3 */ - str r1, [r0, #0x410] /* for S4 */ - /* MGPCR - restore default values */ - ldr r1, =0x0 - str r1, [r0, #0x800] /* for M0 */ - str r1, [r0, #0x900] /* for M1 */ - str r1, [r0, #0xA00] /* for M2 */ - str r1, [r0, #0xB00] /* for M3 */ - str r1, [r0, #0xC00] /* for M4 */ - str r1, [r0, #0xD00] /* for M5 */ -.endm /* init_max */ - -/* RedBoot: M3IF setup */ -.macro init_m3if - /* Configure M3IF registers */ - ldr r1, =0xB8003000 - /* - * M3IF Control Register (M3IFCTL) - * MRRP[0] = L2CC0 not on priority list (0 << 0) = 0x00000000 - * MRRP[1] = L2CC1 not on priority list (0 << 0) = 0x00000000 - * MRRP[2] = MBX not on priority list (0 << 0) = 0x00000000 - * MRRP[3] = MAX1 not on priority list (0 << 0) = 0x00000000 - * MRRP[4] = SDMA not on priority list (0 << 0) = 0x00000000 - * MRRP[5] = MPEG4 not on priority list (0 << 0) = 0x00000000 - * MRRP[6] = IPU1 on priority list (1 << 6) = 0x00000040 - * MRRP[7] = IPU2 not on priority list (0 << 0) = 0x00000000 - * ------------ - * 0x00000040 - */ - ldr r0, =0x00000040 - str r0, [r1] /* M3IF control reg */ -.endm /* init_m3if */ - -/* RedBoot: To support 133MHz DDR */ -.macro init_drive_strength - /* - * Disable maximum drive strength SDRAM/DDR lines by clearing DSE1 bits - * in SW_PAD_CTL registers - */ - - /* SDCLK */ - ldr r1, =0x43FAC200 - ldr r0, [r1, #0x6C] - bic r0, r0, #(1 << 12) - str r0, [r1, #0x6C] - - /* CAS */ - ldr r0, [r1, #0x70] - bic r0, r0, #(1 << 22) - str r0, [r1, #0x70] - - /* RAS */ - ldr r0, [r1, #0x74] - bic r0, r0, #(1 << 2) - str r0, [r1, #0x74] - - /* CS2 (CSD0) */ - ldr r0, [r1, #0x7C] - bic r0, r0, #(1 << 22) - str r0, [r1, #0x7C] - - /* DQM3 */ - ldr r0, [r1, #0x84] - bic r0, r0, #(1 << 22) - str r0, [r1, #0x84] - - /* DQM2, DQM1, DQM0, SD31-SD0, A25-A0, MA10 (0x288..0x2DC) */ - ldr r2, =22 /* (0x2E0 - 0x288) / 4 = 22 */ -pad_loop: - ldr r0, [r1, #0x88] - bic r0, r0, #(1 << 22) - bic r0, r0, #(1 << 12) - bic r0, r0, #(1 << 2) - str r0, [r1, #0x88] - add r1, r1, #4 - subs r2, r2, #0x1 - bne pad_loop -.endm /* init_drive_strength */ - -/* CPLD on CS4 setup */ -.macro init_cs4 - ldr r0, =WEIM_BASE - ldr r1, =0x0000D843 - str r1, [r0, #0x40] - ldr r1, =0x22252521 - str r1, [r0, #0x44] - ldr r1, =0x22220A00 - str r1, [r0, #0x48] -.endm /* init_cs4 */ - -.globl lowlevel_init -lowlevel_init: - - /* Redboot initializes very early AIPS, what for? - * Then it also initializes Multi-Layer AHB Crossbar Switch, - * M3IF */ - /* Also setup the Peripheral Port Remap register inside the core */ - ldr r0, =0x40000015 /* start from AIPS 2GB region */ - mcr p15, 0, r0, c15, c2, 4 - - init_aips - - init_max - - init_m3if - - init_drive_strength - - init_cs4 - - /* Image Processing Unit: */ - /* Too early to switch display on? */ - REG IPU_CONF, IPU_CONF_DI_EN /* Switch on Display Interface */ - /* Clock Control Module: */ - REG CCM_CCMR, 0x074B0BF5 /* Use CKIH, MCU PLL off */ - - DELAY 0x40000 - - REG CCM_CCMR, 0x074B0BF5 | CCMR_MPE /* MCU PLL on */ - REG CCM_CCMR, (0x074B0BF5 | CCMR_MPE) & ~CCMR_MDS /* Switch to MCU PLL */ - - /* PBC CPLD on CS4 */ - mov r1, #CS4_BASE - ldrh r1, [r1, #0x2] - /* Is 27MHz switch set? */ - ands r1, r1, #0x10 - - /* 532-133-66.5 */ - ldr r0, =CCM_BASE - ldr r1, =0xFF871D58 - /* PDR0 */ - str r1, [r0, #0x4] - ldreq r1, MPCTL_PARAM_532 - ldrne r1, MPCTL_PARAM_532_27 - /* MPCTL */ - str r1, [r0, #0x10] - - /* Set UPLL=240MHz, USB=60MHz */ - ldr r1, =0x49FCFE7F - /* PDR1 */ - str r1, [r0, #0x8] - ldreq r1, UPCTL_PARAM_240 - ldrne r1, UPCTL_PARAM_240_27 - /* UPCTL */ - str r1, [r0, #0x14] - /* default CLKO to 1/8 of the ARM core */ - mov r1, #0x000002C0 - add r1, r1, #0x00000006 - /* COSR */ - str r1, [r0, #0x1c] - - /* RedBoot sets 0x1ff, 7, 3, 5, 1, 3, 0 */ -/* REG CCM_PDR0, PDR0_CSI_PODF(0x1ff) | PDR0_PER_PODF(7) | PDR0_HSP_PODF(2) | PDR0_NFC_PODF(6) | PDR0_IPG_PODF(1) | PDR0_MAX_PODF(2) | PDR0_MCU_PODF(0)*/ - - /* Redboot: 0, 51, 10, 12 / 0, 14, 9, 13 */ -/* REG CCM_MPCTL, PLL_PD(0) | PLL_MFD(0x33) | PLL_MFI(7) | PLL_MFN(0x23)*/ - /* Default: 1, 4, 12, 1 */ - REG CCM_SPCTL, PLL_PD(1) | PLL_MFD(4) | PLL_MFI(12) | PLL_MFN(1) - - /* B8xxxxxx - NAND, 8xxxxxxx - CSD0 RAM */ - REG 0xB8001010, 0x00000004 - REG 0xB8001004, 0x006ac73a - REG 0xB8001000, 0x92100000 - REG 0x80000f00, 0x12344321 - REG 0xB8001000, 0xa2100000 - REG 0x80000000, 0x12344321 - REG 0x80000000, 0x12344321 - REG 0xB8001000, 0xb2100000 - REG8 0x80000033, 0xda - REG8 0x81000000, 0xff - REG 0xB8001000, 0x82226080 - REG 0x80000000, 0xDEADBEEF - REG 0xB8001010, 0x0000000c - - mov pc, lr - -MPCTL_PARAM_532: - .word (((1-1) << 26) + ((52-1) << 16) + (10 << 10) + (12 << 0)) -MPCTL_PARAM_532_27: - .word (((1-1) << 26) + ((15-1) << 16) + (9 << 10) + (13 << 0)) -UPCTL_PARAM_240: - .word (((2-1) << 26) + ((13-1) << 16) + (9 << 10) + (3 << 0)) -UPCTL_PARAM_240_27: - .word (((2-1) << 26) + ((9 -1) << 16) + (8 << 10) + (8 << 0)) diff --git a/board/mx31ads/mx31ads.c b/board/mx31ads/mx31ads.c deleted file mode 100644 index c24c47c57f8..00000000000 --- a/board/mx31ads/mx31ads.c +++ /dev/null @@ -1,106 +0,0 @@ -/* - * Copyright (C) 2008, Guennadi Liakhovetski - * - * 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 -#include -#include -#include - -DECLARE_GLOBAL_DATA_PTR; - -int dram_init (void) -{ - gd->bd->bi_dram[0].start = PHYS_SDRAM_1; - gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; - - return 0; -} - -int board_init (void) -{ - int i; - - /* CS0: Nor Flash */ - /* - * CS0L and CS0A values are from the RedBoot sources by Freescale - * and are also equal to those used by Sascha Hauer for the Phytec - * i.MX31 board. CS0U is just a slightly optimized hardware default: - * the only non-zero field "Wait State Control" is set to half the - * default value. - */ - __REG(CSCR_U(0)) = 0x00000f00; - __REG(CSCR_L(0)) = 0x10000D03; - __REG(CSCR_A(0)) = 0x00720900; - - /* setup pins for UART1 */ - mx31_gpio_mux(MUX_RXD1__UART1_RXD_MUX); - mx31_gpio_mux(MUX_TXD1__UART1_TXD_MUX); - mx31_gpio_mux(MUX_RTS1__UART1_RTS_B); - mx31_gpio_mux(MUX_CTS1__UART1_CTS_B); - - /* SPI2 */ - mx31_gpio_mux(MUX_CSPI2_SS2__CSPI2_SS2_B); - mx31_gpio_mux(MUX_CSPI2_SCLK__CSPI2_CLK); - mx31_gpio_mux(MUX_CSPI2_SPI_RDY__CSPI2_DATAREADY_B); - mx31_gpio_mux(MUX_CSPI2_MOSI__CSPI2_MOSI); - mx31_gpio_mux(MUX_CSPI2_MISO__CSPI2_MISO); - mx31_gpio_mux(MUX_CSPI2_SS0__CSPI2_SS0_B); - mx31_gpio_mux(MUX_CSPI2_SS1__CSPI2_SS1_B); - - /* start SPI2 clock */ - __REG(CCM_CGR2) = __REG(CCM_CGR2) | (3 << 4); - - /* PBC setup */ - /* Enable UART transceivers also reset the Ethernet/external UART */ - readw(CS4_BASE + 4); - - writew(0x8023, CS4_BASE + 4); - - /* RedBoot also has an empty loop with 100000 iterations here - - * clock doesn't run yet */ - for (i = 0; i < 100000; i++) - ; - - /* Clear the reset, toggle the LEDs */ - writew(0xDF, CS4_BASE + 6); - - /* clock still doesn't run */ - for (i = 0; i < 100000; i++) - ; - - /* See 1.5.4 in IMX31ADSE_PERI_BUS_CNTRL_CPLD_RM.pdf */ - readb(CS4_BASE + 8); - readb(CS4_BASE + 7); - readb(CS4_BASE + 8); - readb(CS4_BASE + 7); - - gd->bd->bi_arch_number = MACH_TYPE_MX31ADS; /* board id for linux */ - gd->bd->bi_boot_params = 0x80000100; /* adress of boot parameters */ - - return 0; -} - -int checkboard (void) -{ - printf("Board: MX31ADS\n"); - return 0; -} diff --git a/board/mx31ads/u-boot.lds b/board/mx31ads/u-boot.lds deleted file mode 100644 index 49713d454a2..00000000000 --- a/board/mx31ads/u-boot.lds +++ /dev/null @@ -1,70 +0,0 @@ -/* - * January 2004 - Changed to support H4 device - * Copyright (c) 2004 Texas Instruments - * - * (C) Copyright 2002 - * Gary Jennejohn, DENX Software Engineering, - * - * 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 : - { - /* WARNING - the following is hand-optimized to fit within */ - /* the sector layout of our flash chips! XXX FIXME XXX */ - - cpu/arm1136/start.o (.text) - board/mx31ads/libmx31ads.a (.text) - lib_arm/libarm.a (.text) - net/libnet.a (.text) - drivers/mtd/libmtd.a (.text) - - . = DEFINED(env_offset) ? env_offset : .; - common/environment.o(.text) - - *(.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 = .; -} -- cgit v1.2.3