diff options
Diffstat (limited to 'arch/arm/cpu/armv7')
27 files changed, 1816 insertions, 208 deletions
diff --git a/arch/arm/cpu/armv7/at91/Makefile b/arch/arm/cpu/armv7/at91/Makefile new file mode 100644 index 0000000000..040c67d511 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/Makefile @@ -0,0 +1,52 @@ +# +# (C) Copyright 2000-2008 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# (C) Copyright 2013 +# Bo Shen <voice.shen@atmel.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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS-$(CONFIG_SAMA5D3) += sama5d3_devices.o +COBJS-y += clock.o +COBJS-y += cpu.o +COBJS-y += reset.o +COBJS-y += timer.o + +SRCS := $(SOBJS-y:.o=.S) $(COBJS-y:.o=.c) +OBJS := $(addprefix $(obj),$(SOBJS-y) $(COBJS-y)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/at91/clock.c b/arch/arm/cpu/armv7/at91/clock.c new file mode 100644 index 0000000000..624b52cc31 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/clock.c @@ -0,0 +1,125 @@ +/* + * [origin: Linux kernel linux/arch/arm/mach-at91/clock.c] + * + * Copyright (C) 2005 David Brownell + * Copyright (C) 2005 Ivan Kokshaysky + * Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * Copyright (C) 2013 Bo Shen <voice.shen@atmel.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. + */ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/clk.h> + +#if !defined(CONFIG_AT91FAMILY) +# error You need to define CONFIG_AT91FAMILY in your board config! +#endif + +DECLARE_GLOBAL_DATA_PTR; + +static unsigned long at91_css_to_rate(unsigned long css) +{ + switch (css) { + case AT91_PMC_MCKR_CSS_SLOW: + return CONFIG_SYS_AT91_SLOW_CLOCK; + case AT91_PMC_MCKR_CSS_MAIN: + return gd->arch.main_clk_rate_hz; + case AT91_PMC_MCKR_CSS_PLLA: + return gd->arch.plla_rate_hz; + } + + return 0; +} + +static u32 at91_pll_rate(u32 freq, u32 reg) +{ + unsigned mul, div; + + div = reg & 0xff; + mul = (reg >> 18) & 0x7f; + if (div && mul) { + freq /= div; + freq *= mul + 1; + } else { + freq = 0; + } + + return freq; +} + +int at91_clock_init(unsigned long main_clock) +{ + unsigned freq, mckr; + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; +#ifndef CONFIG_SYS_AT91_MAIN_CLOCK + unsigned tmp; + /* + * When the bootloader initialized the main oscillator correctly, + * there's no problem using the cycle counter. But if it didn't, + * or when using oscillator bypass mode, we must be told the speed + * of the main clock. + */ + if (!main_clock) { + do { + tmp = readl(&pmc->mcfr); + } while (!(tmp & AT91_PMC_MCFR_MAINRDY)); + tmp &= AT91_PMC_MCFR_MAINF_MASK; + main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16); + } +#endif + gd->arch.main_clk_rate_hz = main_clock; + + /* report if PLLA is more than mildly overclocked */ + gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar)); + + /* + * MCK and CPU derive from one of those primary clocks. + * For now, assume this parentage won't change. + */ + mckr = readl(&pmc->mckr); + + /* plla divisor by 2 */ + if (mckr & (1 << 12)) + gd->arch.plla_rate_hz >>= 1; + + gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK); + freq = gd->arch.mck_rate_hz; + + /* prescale */ + freq >>= mckr & AT91_PMC_MCKR_PRES_MASK; + + switch (mckr & AT91_PMC_MCKR_MDIV_MASK) { + case AT91_PMC_MCKR_MDIV_2: + gd->arch.mck_rate_hz = freq / 2; + break; + case AT91_PMC_MCKR_MDIV_3: + gd->arch.mck_rate_hz = freq / 3; + break; + case AT91_PMC_MCKR_MDIV_4: + gd->arch.mck_rate_hz = freq / 4; + break; + default: + break; + } + + gd->arch.cpu_clk_rate_hz = freq; + + return 0; +} + +void at91_periph_clk_enable(int id) +{ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + + if (id > 31) + writel(1 << (id - 32), &pmc->pcer1); + else + writel(1 << id, &pmc->pcer); +} diff --git a/arch/arm/cpu/armv7/at91/cpu.c b/arch/arm/cpu/armv7/at91/cpu.c new file mode 100644 index 0000000000..3df6143d74 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/cpu.c @@ -0,0 +1,90 @@ +/* + * (C) Copyright 2010 + * Reinhard Meyer, reinhard.meyer@emk-elektronik.de + * (C) Copyright 2009 + * Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com> + * (C) Copyright 2013 + * Bo Shen <voice.shen@atmel.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/hardware.h> +#include <asm/arch/at91_dbu.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_pit.h> +#include <asm/arch/at91_gpbr.h> +#include <asm/arch/clk.h> + +#ifndef CONFIG_SYS_AT91_MAIN_CLOCK +#define CONFIG_SYS_AT91_MAIN_CLOCK 0 +#endif + +int arch_cpu_init(void) +{ + return at91_clock_init(CONFIG_SYS_AT91_MAIN_CLOCK); +} + +void arch_preboot_os(void) +{ + ulong cpiv; + at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; + + cpiv = AT91_PIT_MR_PIV_MASK(readl(&pit->piir)); + + /* + * Disable PITC + * Add 0x1000 to current counter to stop it faster + * without waiting for wrapping back to 0 + */ + writel(cpiv + 0x1000, &pit->mr); +} + +#if defined(CONFIG_DISPLAY_CPUINFO) +int print_cpuinfo(void) +{ + char buf[32]; + + printf("CPU: %s\n", get_cpu_name()); + printf("Crystal frequency: %8s MHz\n", + strmhz(buf, get_main_clk_rate())); + printf("CPU clock : %8s MHz\n", + strmhz(buf, get_cpu_clk_rate())); + printf("Master clock : %8s MHz\n", + strmhz(buf, get_mck_clk_rate())); + + return 0; +} +#endif + +void enable_caches(void) +{ +} + +unsigned int get_chip_id(void) +{ + return readl(ATMEL_BASE_DBGU + AT91_DBU_CIDR) & ~AT91_DBU_CIDR_MASK; +} + +unsigned int get_extension_chip_id(void) +{ + return readl(ATMEL_BASE_DBGU + AT91_DBU_EXID); +} diff --git a/arch/arm/cpu/armv7/at91/reset.c b/arch/arm/cpu/armv7/at91/reset.c new file mode 100644 index 0000000000..b9f83d91b9 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/reset.c @@ -0,0 +1,47 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * (C) Copyright 2013 + * Bo Shen <voice.shen@atmel.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/hardware.h> +#include <asm/arch/at91_rstc.h> + +/* Reset the cpu by telling the reset controller to do so */ +void reset_cpu(ulong ignored) +{ + at91_rstc_t *rstc = (at91_rstc_t *)ATMEL_BASE_RSTC; + + writel(AT91_RSTC_KEY + | AT91_RSTC_CR_PROCRST /* Processor Reset */ + | AT91_RSTC_CR_PERRST /* Peripheral Reset */ +#ifdef CONFIG_AT91RESET_EXTRST + | AT91_RSTC_CR_EXTRST /* External Reset (assert nRST pin) */ +#endif + , &rstc->cr); + /* never reached */ + do { } while (1); +} diff --git a/arch/arm/cpu/armv7/at91/sama5d3_devices.c b/arch/arm/cpu/armv7/at91/sama5d3_devices.c new file mode 100644 index 0000000000..acf8b43ee6 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/sama5d3_devices.c @@ -0,0 +1,196 @@ +/* + * Copyright (C) 2012-2013 Atmel Corporation + * Bo Shen <voice.shen@atmel.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/sama5d3.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/io.h> + +unsigned int has_emac() +{ + return cpu_is_sama5d31() || cpu_is_sama5d35(); +} + +unsigned int has_gmac() +{ + return !cpu_is_sama5d31(); +} + +unsigned int has_lcdc() +{ + return !cpu_is_sama5d35(); +} + +char *get_cpu_name() +{ + unsigned int extension_id = get_extension_chip_id(); + + if (cpu_is_sama5d3()) + switch (extension_id) { + case ARCH_EXID_SAMA5D31: + return "SAMA5D31"; + case ARCH_EXID_SAMA5D33: + return "SAMA5D33"; + case ARCH_EXID_SAMA5D34: + return "SAMA5D34"; + case ARCH_EXID_SAMA5D35: + return "SAMA5D35"; + default: + return "Unknown CPU type"; + } + else + return "Unknown CPU type"; +} + +void at91_serial0_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTD, 18, 1); /* TXD0 */ + at91_set_a_periph(AT91_PIO_PORTD, 17, 0); /* RXD0 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_USART0); +} + +void at91_serial1_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 29, 1); /* TXD1 */ + at91_set_a_periph(AT91_PIO_PORTB, 28, 0); /* RXD1 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_USART1); +} + +void at91_serial2_hw_init(void) +{ + at91_set_b_periph(AT91_PIO_PORTE, 26, 1); /* TXD2 */ + at91_set_b_periph(AT91_PIO_PORTE, 25, 0); /* RXD2 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_USART2); +} + +void at91_seriald_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTB, 31, 1); /* DTXD */ + at91_set_a_periph(AT91_PIO_PORTB, 30, 0); /* DRXD */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_SYS); +} + +#if defined(CONFIG_ATMEL_SPI) +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_set_a_periph(AT91_PIO_PORTD, 10, 0); /* SPI0_MISO */ + at91_set_a_periph(AT91_PIO_PORTD, 11, 0); /* SPI0_MOSI */ + at91_set_a_periph(AT91_PIO_PORTD, 12, 0); /* SPI0_SPCK */ + + if (cs_mask & (1 << 0)) + at91_set_pio_output(AT91_PIO_PORTD, 13, 1); + if (cs_mask & (1 << 1)) + at91_set_pio_output(AT91_PIO_PORTD, 14, 1); + if (cs_mask & (1 << 2)) + at91_set_pio_output(AT91_PIO_PORTD, 15, 1); + if (cs_mask & (1 << 3)) + at91_set_pio_output(AT91_PIO_PORTD, 16, 1); + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_SPI0); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +void at91_mci_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTD, 0, 0); /* MCI0 CMD */ + at91_set_a_periph(AT91_PIO_PORTD, 1, 0); /* MCI0 DA0 */ + at91_set_a_periph(AT91_PIO_PORTD, 2, 0); /* MCI0 DA1 */ + at91_set_a_periph(AT91_PIO_PORTD, 3, 0); /* MCI0 DA2 */ + at91_set_a_periph(AT91_PIO_PORTD, 4, 0); /* MCI0 DA3 */ +#ifdef CONFIG_ATMEL_MCI_8BIT + at91_set_a_periph(AT91_PIO_PORTD, 5, 0); /* MCI0 DA4 */ + at91_set_a_periph(AT91_PIO_PORTD, 6, 0); /* MCI0 DA5 */ + at91_set_a_periph(AT91_PIO_PORTD, 7, 0); /* MCI0 DA6 */ + at91_set_a_periph(AT91_PIO_PORTD, 8, 0); /* MCI0 DA7 */ +#endif + at91_set_a_periph(AT91_PIO_PORTD, 9, 0); /* MCI0 CLK */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_MCI0); +} +#endif + +#ifdef CONFIG_MACB +void at91_macb_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* ETXCK_EREFCK */ + at91_set_a_periph(AT91_PIO_PORTC, 5, 0); /* ERXDV */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* ERX0 */ + at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* ERX1 */ + at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* ERXER */ + at91_set_a_periph(AT91_PIO_PORTC, 4, 0); /* ETXEN */ + at91_set_a_periph(AT91_PIO_PORTC, 0, 0); /* ETX0 */ + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* ETX1 */ + at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* EMDIO */ + at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* EMDC */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_EMAC); +} +#endif + +#ifdef CONFIG_LCD +void at91_lcd_hw_init(void) +{ + at91_set_a_periph(AT91_PIO_PORTA, 24, 0); /* LCDPWM */ + at91_set_a_periph(AT91_PIO_PORTA, 25, 0); /* LCDDISP */ + at91_set_a_periph(AT91_PIO_PORTA, 26, 0); /* LCDVSYNC */ + at91_set_a_periph(AT91_PIO_PORTA, 27, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTA, 28, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTA, 29, 0); /* LCDDEN */ + + /* The lower 16-bit of LCD only available on Port A */ + at91_set_a_periph(AT91_PIO_PORTA, 0, 0); /* LCDD0 */ + at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* LCDD1 */ + at91_set_a_periph(AT91_PIO_PORTA, 2, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTA, 3, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTA, 4, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTA, 5, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTA, 7, 0); /* LCDD7 */ + at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* LCDD8 */ + at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* LCDD9 */ + at91_set_a_periph(AT91_PIO_PORTA, 10, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* LCDD12 */ + at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTA, 15, 0); /* LCDD15 */ + + /* Enable clock */ + at91_periph_clk_enable(ATMEL_ID_LCDC); +} +#endif diff --git a/arch/arm/cpu/armv7/at91/timer.c b/arch/arm/cpu/armv7/at91/timer.c new file mode 100644 index 0000000000..b3a450fb31 --- /dev/null +++ b/arch/arm/cpu/armv7/at91/timer.c @@ -0,0 +1,139 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + * + * (C) Copyright 2013 + * Bo Shen <voice.shen@atmel.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/hardware.h> +#include <asm/arch/at91_pit.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/clk.h> +#include <div64.h> + +#if !defined(CONFIG_AT91FAMILY) +# error You need to define CONFIG_AT91FAMILY in your board config! +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* + * We're using the SAMA5D3x PITC in 32 bit mode, by + * setting the 20 bit counter period to its maximum (0xfffff). + * (See the relevant data sheets to understand that this really works) + * + * We do also mimic the typical powerpc way of incrementing + * two 32 bit registers called tbl and tbu. + * + * Those registers increment at 1/16 the main clock rate. + */ + +#define TIMER_LOAD_VAL 0xfffff + +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + tick *= CONFIG_SYS_HZ; + do_div(tick, gd->arch.timer_rate_hz); + + return tick; +} + +static inline unsigned long long usec_to_tick(unsigned long long usec) +{ + usec *= gd->arch.timer_rate_hz; + do_div(usec, 1000000); + + return usec; +} + +/* + * Use the PITC in full 32 bit incrementing mode + */ +int timer_init(void) +{ + at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; + + /* Enable PITC Clock */ + at91_periph_clk_enable(ATMEL_ID_SYS); + + /* Enable PITC */ + writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr); + + gd->arch.timer_rate_hz = gd->arch.mck_rate_hz / 16; + gd->arch.tbu = 0; + gd->arch.tbl = 0; + + return 0; +} + +/* + * Get the current 64 bit timer tick count + */ +unsigned long long get_ticks(void) +{ + at91_pit_t *pit = (at91_pit_t *)ATMEL_BASE_PIT; + + ulong now = readl(&pit->piir); + + /* increment tbu if tbl has rolled over */ + if (now < gd->arch.tbl) + gd->arch.tbu++; + gd->arch.tbl = now; + return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; +} + +void __udelay(unsigned long usec) +{ + unsigned long long start; + ulong tmo; + + start = get_ticks(); /* get current timestamp */ + tmo = usec_to_tick(usec); /* convert usecs to ticks */ + while ((get_ticks() - start) < tmo) + ; /* loop till time has passed */ +} + +/* + * get_timer(base) can be used to check for timeouts or + * to measure elasped time relative to an event: + * + * ulong start_time = get_timer(0) sets start_time to the current + * time value. + * get_timer(start_time) returns the time elapsed since then. + * + * The time is used in CONFIG_SYS_HZ units! + */ +ulong get_timer(ulong base) +{ + return tick_to_time(get_ticks()) - base; +} + +/* + * Return the number of timer ticks per second. + */ +ulong get_tbclk(void) +{ + return gd->arch.timer_rate_hz; +} diff --git a/arch/arm/cpu/armv7/omap-common/Makefile b/arch/arm/cpu/armv7/omap-common/Makefile index 55e82ba369..c4b9809ad0 100644 --- a/arch/arm/cpu/armv7/omap-common/Makefile +++ b/arch/arm/cpu/armv7/omap-common/Makefile @@ -34,6 +34,7 @@ COBJS += hwinit-common.o COBJS += clocks-common.o COBJS += emif-common.o COBJS += vc.o +COBJS += abb.o endif ifneq ($(CONFIG_AM33XX)$(CONFIG_OMAP44XX)$(CONFIG_OMAP54XX)$(CONFIG_TI814X),) diff --git a/arch/arm/cpu/armv7/omap-common/abb.c b/arch/arm/cpu/armv7/omap-common/abb.c new file mode 100644 index 0000000000..87d1fb82eb --- /dev/null +++ b/arch/arm/cpu/armv7/omap-common/abb.c @@ -0,0 +1,137 @@ +/* + * + * Adaptive Body Bias programming sequence for OMAP family + * + * (C) Copyright 2013 + * Texas Instruments, <www.ti.com> + * + * Andrii Tseglytskyi <andrii.tseglytskyi@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/omap_common.h> +#include <asm/io.h> +#include <asm/arch/sys_proto.h> + +__weak s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb) +{ + return -1; +} + +static void abb_setup_timings(u32 setup) +{ + u32 sys_rate, sr2_cnt, clk_cycles; + + /* + * SR2_WTCNT_VALUE is the settling time for the ABB ldo after a + * transition and must be programmed with the correct time at boot. + * The value programmed into the register is the number of SYS_CLK + * clock cycles that match a given wall time profiled for the ldo. + * This value depends on: + * settling time of ldo in micro-seconds (varies per OMAP family), + * of clock cycles per SYS_CLK period (varies per OMAP family), + * the SYS_CLK frequency in MHz (varies per board) + * The formula is: + * + * ldo settling time (in micro-seconds) + * SR2_WTCNT_VALUE = ------------------------------------------ + * (# system clock cycles) * (sys_clk period) + * + * Put another way: + * + * SR2_WTCNT_VALUE = settling time / (# SYS_CLK cycles / SYS_CLK rate)) + * + * To avoid dividing by zero multiply both "# clock cycles" and + * "settling time" by 10 such that the final result is the one we want. + */ + + /* calculate SR2_WTCNT_VALUE */ + sys_rate = DIV_ROUND(V_OSCK, 1000000); + clk_cycles = DIV_ROUND(OMAP_ABB_CLOCK_CYCLES * 10, sys_rate); + sr2_cnt = DIV_ROUND(OMAP_ABB_SETTLING_TIME * 10, clk_cycles); + + setbits_le32(setup, + sr2_cnt << (ffs(OMAP_ABB_SETUP_SR2_WTCNT_VALUE_MASK) - 1)); +} + +void abb_setup(u32 fuse, u32 ldovbb, u32 setup, u32 control, + u32 txdone, u32 txdone_mask, u32 opp) +{ + u32 abb_type_mask, opp_sel_mask; + + /* sanity check */ + if (!setup || !control || !txdone) + return; + + /* setup ABB only in case of Fast or Slow OPP */ + switch (opp) { + case OMAP_ABB_FAST_OPP: + abb_type_mask = OMAP_ABB_SETUP_ACTIVE_FBB_SEL_MASK; + opp_sel_mask = OMAP_ABB_CONTROL_FAST_OPP_SEL_MASK; + break; + case OMAP_ABB_SLOW_OPP: + abb_type_mask = OMAP_ABB_SETUP_ACTIVE_RBB_SEL_MASK; + opp_sel_mask = OMAP_ABB_CONTROL_SLOW_OPP_SEL_MASK; + break; + default: + return; + } + + /* + * For some OMAP silicons additional setup for LDOVBB register is + * required. This is determined by data retrieved from corresponding + * OPP EFUSE register. Data, which is retrieved from EFUSE - is + * ABB enable/disable flag and VSET value, which must be copied + * to LDOVBB register. If function call fails - return quietly, + * it means no ABB is required for such silicon. + * + * For silicons, which don't require LDOVBB setup "fuse" and + * "ldovbb" offsets are not defined. ABB will be initialized in + * the common way for them. + */ + if (fuse && ldovbb) { + if (abb_setup_ldovbb(fuse, ldovbb)) + return; + } + + /* clear ABB registers */ + writel(0, setup); + writel(0, control); + + /* configure timings, based on oscillator value */ + abb_setup_timings(setup); + + /* clear pending interrupts before setup */ + setbits_le32(txdone, txdone_mask); + + /* select ABB type */ + setbits_le32(setup, abb_type_mask | OMAP_ABB_SETUP_SR2EN_MASK); + + /* initiate ABB ldo change */ + setbits_le32(control, opp_sel_mask | OMAP_ABB_CONTROL_OPP_CHANGE_MASK); + + /* wait until transition complete */ + if (!wait_on_value(txdone_mask, txdone_mask, (void *)txdone, LDELAY)) + puts("Error: ABB txdone is not set\n"); + + /* clear ABB tranxdone */ + setbits_le32(txdone, txdone_mask); +} diff --git a/arch/arm/cpu/armv7/omap-common/boot-common.c b/arch/arm/cpu/armv7/omap-common/boot-common.c index bff7e9c82a..76ae1b675f 100644 --- a/arch/arm/cpu/armv7/omap-common/boot-common.c +++ b/arch/arm/cpu/armv7/omap-common/boot-common.c @@ -25,6 +25,45 @@ DECLARE_GLOBAL_DATA_PTR; +void save_omap_boot_params(void) +{ + u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); + u8 boot_device; + u32 dev_desc, dev_data; + + if ((rom_params < NON_SECURE_SRAM_START) || + (rom_params > NON_SECURE_SRAM_END)) + return; + + /* + * rom_params can be type casted to omap_boot_parameters and + * used. But it not correct to assume that romcode structure + * encoding would be same as u-boot. So use the defined offsets. + */ + gd->arch.omap_boot_params.omap_bootdevice = boot_device = + *((u8 *)(rom_params + BOOT_DEVICE_OFFSET)); + + gd->arch.omap_boot_params.ch_flags = + *((u8 *)(rom_params + CH_FLAGS_OFFSET)); + + if ((boot_device >= MMC_BOOT_DEVICES_START) && + (boot_device <= MMC_BOOT_DEVICES_END)) { +#if !defined(CONFIG_AM33XX) && !defined(CONFIG_TI81XX) + if ((omap_hw_init_context() == + OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) { + gd->arch.omap_boot_params.omap_bootmode = + *((u8 *)(rom_params + BOOT_MODE_OFFSET)); + } else +#endif + { + dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET)); + dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET)); + gd->arch.omap_boot_params.omap_bootmode = + *((u32 *)(dev_data + BOOT_MODE_OFFSET)); + } + } +} + #ifdef CONFIG_SPL_BUILD u32 spl_boot_device(void) { diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c index 99910cdcb0..ef23127bb6 100644 --- a/arch/arm/cpu/armv7/omap-common/clocks-common.c +++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c @@ -30,9 +30,10 @@ * MA 02111-1307 USA */ #include <common.h> +#include <i2c.h> #include <asm/omap_common.h> #include <asm/gpio.h> -#include <asm/arch/clocks.h> +#include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <asm/utils.h> #include <asm/omap_gpio.h> @@ -49,13 +50,12 @@ const u32 sys_clk_array[8] = { 12000000, /* 12 MHz */ - 13000000, /* 13 MHz */ + 20000000, /* 20 MHz */ 16800000, /* 16.8 MHz */ 19200000, /* 19.2 MHz */ 26000000, /* 26 MHz */ 27000000, /* 27 MHz */ 38400000, /* 38.4 MHz */ - 20000000, /* 20 MHz */ }; static inline u32 __get_sys_clk_index(void) @@ -74,13 +74,6 @@ static inline u32 __get_sys_clk_index(void) /* SYS_CLKSEL - 1 to match the dpll param array indices */ ind = (readl((*prcm)->cm_sys_clksel) & CM_SYS_CLKSEL_SYS_CLKSEL_MASK) - 1; - /* - * SYS_CLKSEL value for 20MHz is 0. This is introduced newly - * in DRA7XX socs. SYS_CLKSEL -1 will be greater than - * NUM_SYS_CLK. So considering the last 3 bits as the index - * for the dpll param array. - */ - ind &= CM_SYS_CLKSEL_SYS_CLKSEL_MASK; } return ind; } @@ -440,6 +433,12 @@ static void setup_non_essential_dplls(void) params = get_abe_dpll_params(*dplls_data); #ifdef CONFIG_SYS_OMAP_ABE_SYSCK abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK; + + if (omap_revision() == DRA752_ES1_0) + /* Select the sys clk for dpll_abe */ + clrsetbits_le32((*prcm)->cm_abe_pll_sys_clksel, + CM_CLKSEL_ABE_PLL_SYS_CLKSEL_MASK, + CM_ABE_PLL_SYS_CLKSEL_SYSCLK2); #else abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK; /* @@ -487,6 +486,10 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic) u32 offset = volt_mv; int ret = 0; + if (!volt_mv) + return; + + pmic->pmic_bus_init(); /* See if we can first get the GPIO if needed */ if (pmic->gpio_en) ret = gpio_request(pmic->gpio, "PMIC_GPIO"); @@ -509,14 +512,45 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic) debug("do_scale_vcore: volt - %d offset_code - 0x%x\n", volt_mv, offset_code); - if (omap_vc_bypass_send_value(SMPS_I2C_SLAVE_ADDR, - vcore_reg, offset_code)) + if (pmic->pmic_write(pmic->i2c_slave_addr, vcore_reg, offset_code)) printf("Scaling voltage failed for 0x%x\n", vcore_reg); if (pmic->gpio_en) gpio_direction_output(pmic->gpio, 1); } +static u32 optimize_vcore_voltage(struct volts const *v) +{ + u32 val; + if (!v->value) + return 0; + if (!v->efuse.reg) + return v->value; + + switch (v->efuse.reg_bits) { + case 16: + val = readw(v->efuse.reg); + break; + case 32: + val = readl(v->efuse.reg); + break; + default: + printf("Error: efuse 0x%08x bits=%d unknown\n", + v->efuse.reg, v->efuse.reg_bits); + return v->value; + } + + if (!val) { + printf("Error: efuse 0x%08x bits=%d val=0, using %d\n", + v->efuse.reg, v->efuse.reg_bits, v->value); + return v->value; + } + + debug("%s:efuse 0x%08x bits=%d Vnom=%d, using efuse value %d\n", + __func__, v->efuse.reg, v->efuse.reg_bits, v->value, val); + return val; +} + /* * Setup the voltages for vdd_mpu, vdd_core, and vdd_iva * We set the maximum voltages allowed here because Smart-Reflex is not @@ -525,16 +559,34 @@ void do_scale_vcore(u32 vcore_reg, u32 volt_mv, struct pmic_data *pmic) */ void scale_vcores(struct vcores_data const *vcores) { - omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ); + u32 val; + + val = optimize_vcore_voltage(&vcores->core); + do_scale_vcore(vcores->core.addr, val, vcores->core.pmic); + + val = optimize_vcore_voltage(&vcores->mpu); + do_scale_vcore(vcores->mpu.addr, val, vcores->mpu.pmic); + + /* Configure MPU ABB LDO after scale */ + abb_setup((*ctrl)->control_std_fuse_opp_vdd_mpu_2, + (*ctrl)->control_wkup_ldovbb_mpu_voltage_ctrl, + (*prcm)->prm_abbldo_mpu_setup, + (*prcm)->prm_abbldo_mpu_ctrl, + (*prcm)->prm_irqstatus_mpu_2, + OMAP_ABB_MPU_TXDONE_MASK, + OMAP_ABB_FAST_OPP); - do_scale_vcore(vcores->core.addr, vcores->core.value, - vcores->core.pmic); + val = optimize_vcore_voltage(&vcores->mm); + do_scale_vcore(vcores->mm.addr, val, vcores->mm.pmic); - do_scale_vcore(vcores->mpu.addr, vcores->mpu.value, - vcores->mpu.pmic); + val = optimize_vcore_voltage(&vcores->gpu); + do_scale_vcore(vcores->gpu.addr, val, vcores->gpu.pmic); - do_scale_vcore(vcores->mm.addr, vcores->mm.value, - vcores->mm.pmic); + val = optimize_vcore_voltage(&vcores->eve); + do_scale_vcore(vcores->eve.addr, val, vcores->eve.pmic); + + val = optimize_vcore_voltage(&vcores->iva); + do_scale_vcore(vcores->iva.addr, val, vcores->iva.pmic); if (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3) { /* Configure LDO SRAM "magic" bits */ @@ -710,6 +762,7 @@ void prcm_init(void) case OMAP_INIT_CONTEXT_UBOOT_FROM_NOR: case OMAP_INIT_CONTEXT_UBOOT_AFTER_CH: enable_basic_clocks(); + timer_init(); scale_vcores(*omap_vcores); setup_dplls(); #ifdef CONFIG_SYS_CLOCKS_ENABLE_ALL @@ -725,3 +778,13 @@ void prcm_init(void) if (OMAP_INIT_CONTEXT_SPL != omap_hw_init_context()) enable_basic_uboot_clocks(); } + +void gpi2c_init(void) +{ + static int gpi2c = 1; + + if (gpi2c) { + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); + gpi2c = 0; + } +} diff --git a/arch/arm/cpu/armv7/omap-common/emif-common.c b/arch/arm/cpu/armv7/omap-common/emif-common.c index 11e830a533..652e5a71b3 100644 --- a/arch/arm/cpu/armv7/omap-common/emif-common.c +++ b/arch/arm/cpu/armv7/omap-common/emif-common.c @@ -27,7 +27,7 @@ #include <common.h> #include <asm/emif.h> -#include <asm/arch/clocks.h> +#include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> #include <asm/omap_common.h> #include <asm/utils.h> @@ -209,7 +209,8 @@ void emif_update_timings(u32 base, const struct emif_regs *regs) writel(regs->temp_alert_config, &emif->emif_temp_alert_config); writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1_shdw); - if (omap_revision() >= OMAP5430_ES1_0) { + if ((omap_revision() >= OMAP5430_ES1_0) || + (omap_revision() == DRA752_ES1_0)) { writel(EMIF_L3_CONFIG_VAL_SYS_10_MPU_5_LL_0, &emif->emif_l3_config); } else if (omap_revision() >= OMAP4460_ES1_0) { @@ -263,6 +264,18 @@ static void ddr3_leveling(u32 base, const struct emif_regs *regs) __udelay(130); } +static void ddr3_sw_leveling(u32 base, const struct emif_regs *regs) +{ + struct emif_reg_struct *emif = (struct emif_reg_struct *)base; + + writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1); + writel(regs->emif_ddr_phy_ctlr_1, &emif->emif_ddr_phy_ctrl_1_shdw); + config_data_eye_leveling_samples(base); + + writel(regs->emif_rd_wr_lvl_ctl, &emif->emif_rd_wr_lvl_ctl); + writel(regs->sdram_config, &emif->emif_sdram_config); +} + static void ddr3_init(u32 base, const struct emif_regs *regs) { struct emif_reg_struct *emif = (struct emif_reg_struct *)base; @@ -273,6 +286,7 @@ static void ddr3_init(u32 base, const struct emif_regs *regs) * defined, contents of mode Registers must be fully initialized. * H/W takes care of this initialization */ + writel(regs->sdram_config2, &emif->emif_lpddr2_nvm_config); writel(regs->sdram_config_init, &emif->emif_sdram_config); writel(regs->emif_ddr_phy_ctlr_1_init, &emif->emif_ddr_phy_ctrl_1); @@ -290,7 +304,10 @@ static void ddr3_init(u32 base, const struct emif_regs *regs) /* enable leveling */ writel(regs->emif_rd_wr_lvl_rmp_ctl, &emif->emif_rd_wr_lvl_rmp_ctl); - ddr3_leveling(base, regs); + if (omap_revision() == DRA752_ES1_0) + ddr3_sw_leveling(base, regs); + else + ddr3_leveling(base, regs); } #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS @@ -1078,7 +1095,10 @@ static void do_sdram_init(u32 base) if (warm_reset() && (emif_sdram_type() == EMIF_SDRAM_TYPE_DDR3)) { set_lpmode_selfrefresh(base); emif_reset_phy(base); - ddr3_leveling(base, regs); + if (omap_revision() == DRA752_ES1_0) + ddr3_sw_leveling(base, regs); + else + ddr3_leveling(base, regs); } /* Write to the shadow registers */ diff --git a/arch/arm/cpu/armv7/omap-common/hwinit-common.c b/arch/arm/cpu/armv7/omap-common/hwinit-common.c index 1645120de7..5df116edbe 100644 --- a/arch/arm/cpu/armv7/omap-common/hwinit-common.c +++ b/arch/arm/cpu/armv7/omap-common/hwinit-common.c @@ -84,7 +84,7 @@ u32 cortex_rev(void) return rev; } -void omap_rev_string(void) +static void omap_rev_string(void) { u32 omap_rev = omap_revision(); u32 soc_variant = (omap_rev & 0xF0000000) >> 28; @@ -111,42 +111,6 @@ void __weak srcomp_enable(void) { } -static void save_omap_boot_params(void) -{ - u32 rom_params = *((u32 *)OMAP_SRAM_SCRATCH_BOOT_PARAMS); - u8 boot_device; - u32 dev_desc, dev_data; - - if ((rom_params < NON_SECURE_SRAM_START) || - (rom_params > NON_SECURE_SRAM_END)) - return; - - /* - * rom_params can be type casted to omap_boot_parameters and - * used. But it not correct to assume that romcode structure - * encoding would be same as u-boot. So use the defined offsets. - */ - gd->arch.omap_boot_params.omap_bootdevice = boot_device = - *((u8 *)(rom_params + BOOT_DEVICE_OFFSET)); - - gd->arch.omap_boot_params.ch_flags = - *((u8 *)(rom_params + CH_FLAGS_OFFSET)); - - if ((boot_device >= MMC_BOOT_DEVICES_START) && - (boot_device <= MMC_BOOT_DEVICES_END)) { - if ((omap_hw_init_context() == - OMAP_INIT_CONTEXT_UBOOT_AFTER_SPL)) { - gd->arch.omap_boot_params.omap_bootmode = - *((u8 *)(rom_params + BOOT_MODE_OFFSET)); - } else { - dev_desc = *((u32 *)(rom_params + DEV_DESC_PTR_OFFSET)); - dev_data = *((u32 *)(dev_desc + DEV_DATA_PTR_OFFSET)); - gd->arch.omap_boot_params.omap_bootmode = - *((u32 *)(dev_data + BOOT_MODE_OFFSET)); - } - } -} - #ifdef CONFIG_ARCH_CPU_INIT /* * SOC specific cpu init @@ -202,8 +166,6 @@ void s_init(void) #endif prcm_init(); #ifdef CONFIG_SPL_BUILD - timer_init(); - /* For regular u-boot sdram_init() is called from dram_init() */ sdram_init(); #endif diff --git a/arch/arm/cpu/armv7/omap-common/timer.c b/arch/arm/cpu/armv7/omap-common/timer.c index 507f6873e9..5926a5a810 100644 --- a/arch/arm/cpu/armv7/omap-common/timer.c +++ b/arch/arm/cpu/armv7/omap-common/timer.c @@ -35,6 +35,7 @@ #include <common.h> #include <asm/io.h> #include <asm/arch/cpu.h> +#include <asm/arch/clock.h> DECLARE_GLOBAL_DATA_PTR; diff --git a/arch/arm/cpu/armv7/omap-common/vc.c b/arch/arm/cpu/armv7/omap-common/vc.c index e6e5f7893c..a68f1d145d 100644 --- a/arch/arm/cpu/armv7/omap-common/vc.c +++ b/arch/arm/cpu/armv7/omap-common/vc.c @@ -17,6 +17,7 @@ #include <common.h> #include <asm/omap_common.h> #include <asm/arch/sys_proto.h> +#include <asm/arch/clock.h> /* * Define Master code if there are multiple masters on the I2C_SR bus. @@ -57,7 +58,7 @@ * omap_vc_init() - Initialization for Voltage controller * @speed_khz: I2C buspeed in KHz */ -void omap_vc_init(u16 speed_khz) +static void omap_vc_init(u16 speed_khz) { u32 val; u32 sys_clk_khz, cycles_hi, cycles_low; @@ -137,3 +138,14 @@ int omap_vc_bypass_send_value(u8 sa, u8 reg_addr, u8 reg_data) /* All good.. */ return 0; } + +void sri2c_init(void) +{ + static int sri2c = 1; + + if (sri2c) { + omap_vc_init(PRM_VC_I2C_CHANNEL_FREQ_KHZ); + sri2c = 0; + } + return; +} diff --git a/arch/arm/cpu/armv7/omap3/clock.c b/arch/arm/cpu/armv7/omap3/clock.c index 09c51f62aa..81cc859780 100644 --- a/arch/arm/cpu/armv7/omap3/clock.c +++ b/arch/arm/cpu/armv7/omap3/clock.c @@ -27,7 +27,7 @@ #include <common.h> #include <asm/io.h> -#include <asm/arch/clocks.h> +#include <asm/arch/clock.h> #include <asm/arch/clocks_omap3.h> #include <asm/arch/mem.h> #include <asm/arch/sys_proto.h> diff --git a/arch/arm/cpu/armv7/omap4/hw_data.c b/arch/arm/cpu/armv7/omap4/hw_data.c index 06a2fc8c2f..b97cad4364 100644 --- a/arch/arm/cpu/armv7/omap4/hw_data.c +++ b/arch/arm/cpu/armv7/omap4/hw_data.c @@ -29,7 +29,7 @@ #include <asm/arch/omap.h> #include <asm/arch/sys_proto.h> #include <asm/omap_common.h> -#include <asm/arch/clocks.h> +#include <asm/arch/clock.h> #include <asm/omap_gpio.h> #include <asm/io.h> @@ -219,6 +219,9 @@ struct pmic_data twl6030_4430es1 = { .step = 12660, /* 12.66 mV represented in uV */ /* The code starts at 1 not 0 */ .start_code = 1, + .i2c_slave_addr = SMPS_I2C_SLAVE_ADDR, + .pmic_bus_init = sri2c_init, + .pmic_write = omap_vc_bypass_send_value, }; struct pmic_data twl6030 = { @@ -226,6 +229,9 @@ struct pmic_data twl6030 = { .step = 12660, /* 12.66 mV represented in uV */ /* The code starts at 1 not 0 */ .start_code = 1, + .i2c_slave_addr = SMPS_I2C_SLAVE_ADDR, + .pmic_bus_init = sri2c_init, + .pmic_write = omap_vc_bypass_send_value, }; struct pmic_data tps62361 = { @@ -233,7 +239,10 @@ struct pmic_data tps62361 = { .step = 10000, /* 10 mV represented in uV */ .start_code = 0, .gpio = TPS62361_VSEL0_GPIO, - .gpio_en = 1 + .gpio_en = 1, + .i2c_slave_addr = SMPS_I2C_SLAVE_ADDR, + .pmic_bus_init = sri2c_init, + .pmic_write = omap_vc_bypass_send_value, }; struct vcores_data omap4430_volts_es1 = { diff --git a/arch/arm/cpu/armv7/omap4/prcm-regs.c b/arch/arm/cpu/armv7/omap4/prcm-regs.c index 7225a301b1..7e71ca0a26 100644 --- a/arch/arm/cpu/armv7/omap4/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap4/prcm-regs.c @@ -301,6 +301,8 @@ struct omap_sys_ctrl_regs const omap4_ctrl = { .control_ldosram_iva_voltage_ctrl = 0x4A002320, .control_ldosram_mpu_voltage_ctrl = 0x4A002324, .control_ldosram_core_voltage_ctrl = 0x4A002328, + .control_usbotghs_ctrl = 0x4A00233C, + .control_padconf_core_base = 0x4A100000, .control_pbiaslite = 0x4A100600, .control_lpddr2io1_0 = 0x4A100638, .control_lpddr2io1_1 = 0x4A10063C, @@ -312,4 +314,5 @@ struct omap_sys_ctrl_regs const omap4_ctrl = { .control_lpddr2io2_3 = 0x4A100654, .control_efuse_1 = 0x4A100700, .control_efuse_2 = 0x4A100704, + .control_padconf_wkup_base = 0x4A31E000, }; diff --git a/arch/arm/cpu/armv7/omap5/Makefile b/arch/arm/cpu/armv7/omap5/Makefile index ce00e2c3c5..6ff8dbb4eb 100644 --- a/arch/arm/cpu/armv7/omap5/Makefile +++ b/arch/arm/cpu/armv7/omap5/Makefile @@ -30,6 +30,7 @@ COBJS += emif.o COBJS += sdram.o COBJS += prcm-regs.o COBJS += hw_data.o +COBJS += abb.o SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) diff --git a/arch/arm/cpu/armv7/omap5/abb.c b/arch/arm/cpu/armv7/omap5/abb.c new file mode 100644 index 0000000000..92470becc0 --- /dev/null +++ b/arch/arm/cpu/armv7/omap5/abb.c @@ -0,0 +1,67 @@ +/* + * + * Adaptive Body Bias programming sequence for OMAP5 family + * + * (C) Copyright 2013 + * Texas Instruments, <www.ti.com> + * + * Andrii Tseglytskyi <andrii.tseglytskyi@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/omap_common.h> +#include <asm/io.h> + +/* + * Setup LDOVBB for OMAP5. + * On OMAP5+ some ABB settings are fused. They are handled + * in the following way: + * + * 1. corresponding EFUSE register contains ABB enable bit + * and VSET value + * 2. If ABB enable bit is set to 1, than ABB should be + * enabled, otherwise ABB should be disabled + * 3. If ABB is enabled, than VSET value should be copied + * to corresponding MUX control register + */ +s8 abb_setup_ldovbb(u32 fuse, u32 ldovbb) +{ + u32 vset; + + /* + * ABB parameters must be properly fused + * otherwise ABB should be disabled + */ + vset = readl(fuse); + if (!(vset & OMAP5_ABB_FUSE_ENABLE_MASK)) + return -1; + + /* prepare VSET value for LDOVBB mux register */ + vset &= OMAP5_ABB_FUSE_VSET_MASK; + vset >>= ffs(OMAP5_ABB_FUSE_VSET_MASK) - 1; + vset <<= ffs(OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK) - 1; + vset |= OMAP5_ABB_LDOVBBMPU_MUX_CTRL_MASK; + + /* setup LDOVBB using fused value */ + clrsetbits_le32(ldovbb, OMAP5_ABB_LDOVBBMPU_VSET_OUT_MASK, vset); + + return 0; +} diff --git a/arch/arm/cpu/armv7/omap5/hw_data.c b/arch/arm/cpu/armv7/omap5/hw_data.c index 604fa42b1b..56cf1f8c60 100644 --- a/arch/arm/cpu/armv7/omap5/hw_data.c +++ b/arch/arm/cpu/armv7/omap5/hw_data.c @@ -26,10 +26,11 @@ * MA 02111-1307 USA */ #include <common.h> +#include <palmas.h> #include <asm/arch/omap.h> #include <asm/arch/sys_proto.h> #include <asm/omap_common.h> -#include <asm/arch/clocks.h> +#include <asm/arch/clock.h> #include <asm/omap_gpio.h> #include <asm/io.h> #include <asm/emif.h> @@ -99,14 +100,13 @@ static const struct dpll_params mpu_dpll_params_499mhz[NUM_SYS_CLKS] = { }; static const struct dpll_params mpu_dpll_params_1ghz[NUM_SYS_CLKS] = { - {250, 2, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ - {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {119, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ - {625, 11, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ - {500, 12, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {250, 2, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {500, 9, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */ + {119, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {625, 11, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {500, 12, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {625, 23, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ - {50, 0, 1, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 20 MHz */ + {625, 23, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ }; static const struct dpll_params @@ -132,15 +132,14 @@ static const struct dpll_params }; static const struct dpll_params - core_dpll_params_2128mhz_ddr532_dra7xx[NUM_SYS_CLKS] = { - {266, 2, 2, -1, -1, 4, 62, 5, -1, 5, 7, 6}, /* 12 MHz */ - {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {443, 6, 2, -1, -1, 4, 62, 5, -1, 5, 7, 6}, /* 16.8 MHz */ - {277, 4, 2, -1, -1, 4, 62, 5, -1, 5, 7, 6}, /* 19.2 MHz */ - {368, 8, 2, -1, -1, 4, 62, 5, -1, 5, 7, 6}, /* 26 MHz */ + core_dpll_params_2128mhz_dra7xx[NUM_SYS_CLKS] = { + {266, 2, 2, 1, -1, 4, 62, 5, -1, 5, 4, 6}, /* 12 MHz */ + {266, 4, 2, 1, -1, 4, 62, 5, -1, 5, 4, 6}, /* 20 MHz */ + {443, 6, 2, 1, -1, 4, 62, 5, -1, 5, 4, 6}, /* 16.8 MHz */ + {277, 4, 2, 1, -1, 4, 62, 5, -1, 5, 4, 6}, /* 19.2 MHz */ + {368, 8, 2, 1, -1, 4, 62, 5, -1, 5, 4, 6}, /* 26 MHz */ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {277, 9, 2, -1, -1, 4, 62, 5, -1, 5, 7, 6}, /* 38.4 MHz */ - {266, 4, 2, -1, -1, 4, 62, 5, -1, 5, 7, 6} /* 20 MHz */ + {277, 9, 2, 1, -1, 4, 62, 5, -1, 5, 4, 6}, /* 38.4 MHz */ }; static const struct dpll_params @@ -186,14 +185,13 @@ static const struct dpll_params per_dpll_params_768mhz_es2[NUM_SYS_CLKS] = { }; static const struct dpll_params per_dpll_params_768mhz_dra7xx[NUM_SYS_CLKS] = { - {32, 0, 4, -1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 12 MHz */ - {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {160, 6, 4, -1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 16.8 MHz */ - {20, 0, 4, -1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 19.2 MHz */ - {192, 12, 4, -1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 26 MHz */ + {32, 0, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 12 MHz */ + {96, 4, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 20 MHz */ + {160, 6, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 16.8 MHz */ + {20, 0, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 19.2 MHz */ + {192, 12, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 26 MHz */ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {10, 0, 4, -1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 38.4 MHz */ - {96, 4, 4, -1, 3, 4, 10, 2, -1, -1, -1, -1} /* 20 MHz */ + {10, 0, 4, 1, 3, 4, 10, 2, -1, -1, -1, -1}, /* 38.4 MHz */ }; static const struct dpll_params iva_dpll_params_2330mhz[NUM_SYS_CLKS] = { @@ -206,6 +204,16 @@ static const struct dpll_params iva_dpll_params_2330mhz[NUM_SYS_CLKS] = { {91, 2, -1, -1, 5, 6, -1, -1, -1, -1, -1, -1} /* 38.4 MHz */ }; +static const struct dpll_params iva_dpll_params_2330mhz_dra7xx[NUM_SYS_CLKS] = { + {1165, 11, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {233, 3, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */ + {208, 2, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {182, 2, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {224, 4, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {91, 2, 3, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ +}; + /* ABE M & N values with sys_clk as source */ static const struct dpll_params abe_dpll_params_sysclk_196608khz[NUM_SYS_CLKS] = { @@ -223,26 +231,36 @@ static const struct dpll_params abe_dpll_params_32k_196608khz = { 750, 0, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1 }; +/* ABE M & N values with sysclk2(22.5792 MHz) as input */ +static const struct dpll_params + abe_dpll_params_sysclk2_361267khz[NUM_SYS_CLKS] = { + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {16, 1, 1, 1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ + {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ +}; + static const struct dpll_params usb_dpll_params_1920mhz[NUM_SYS_CLKS] = { {400, 4, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ - {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ + {480, 9, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */ {400, 6, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ {400, 7, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ {480, 12, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ {400, 15, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ - {48, 0, 2, -1, -1, -1, -1, -1, -1, -1, -1, -1} /* 20 MHz */ }; -static const struct dpll_params ddr_dpll_params_1066mhz[NUM_SYS_CLKS] = { - {533, 11, 1, 1, 4, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ - {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 13 MHz */ - {222, 6, 1, 1, 4, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ - {111, 3, 1, 1, 4, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ - {41, 1, 1, 1, 4, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ +static const struct dpll_params ddr_dpll_params_2128mhz[NUM_SYS_CLKS] = { + {266, 2, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 12 MHz */ + {266, 4, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 20 MHz */ + {190, 2, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 16.8 MHz */ + {665, 11, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 19.2 MHz */ + {532, 12, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 26 MHz */ {-1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1, -1}, /* 27 MHz */ - {347, 24, 1, 1, 4, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ - {533, 19, 1, 1, 4, -1, -1, -1, -1, -1, -1, -1} /* 20 MHz */ + {665, 23, 2, 1, 8, -1, -1, -1, -1, -1, -1, -1}, /* 38.4 MHz */ }; struct dplls omap5_dplls_es1 = { @@ -275,10 +293,12 @@ struct dplls omap5_dplls_es2 = { struct dplls dra7xx_dplls = { .mpu = mpu_dpll_params_1ghz, - .core = core_dpll_params_2128mhz_ddr532_dra7xx, + .core = core_dpll_params_2128mhz_dra7xx, .per = per_dpll_params_768mhz_dra7xx, + .abe = abe_dpll_params_sysclk2_361267khz, + .iva = iva_dpll_params_2330mhz_dra7xx, .usb = usb_dpll_params_1920mhz, - .ddr = ddr_dpll_params_1066mhz, + .ddr = ddr_dpll_params_2128mhz, }; struct pmic_data palmas = { @@ -289,6 +309,22 @@ struct pmic_data palmas = { * Offset code 0 switches OFF the SMPS */ .start_code = 6, + .i2c_slave_addr = SMPS_I2C_SLAVE_ADDR, + .pmic_bus_init = sri2c_init, + .pmic_write = omap_vc_bypass_send_value, +}; + +struct pmic_data tps659038 = { + .base_offset = PALMAS_SMPS_BASE_VOLT_UV, + .step = 10000, /* 10 mV represented in uV */ + /* + * Offset codes 1-6 all give the base voltage in Palmas + * Offset code 0 switches OFF the SMPS + */ + .start_code = 6, + .i2c_slave_addr = TPS659038_I2C_SLAVE_ADDR, + .pmic_bus_init = gpi2c_init, + .pmic_write = palmas_i2c_write_u8, }; struct vcores_data omap5430_volts = { @@ -319,6 +355,38 @@ struct vcores_data omap5430_volts_es2 = { .mm.pmic = &palmas, }; +struct vcores_data dra752_volts = { + .mpu.value = VDD_MPU_DRA752, + .mpu.efuse.reg = STD_FUSE_OPP_VMIN_MPU_NOM, + .mpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, + .mpu.addr = TPS659038_REG_ADDR_SMPS12_MPU, + .mpu.pmic = &tps659038, + + .eve.value = VDD_EVE_DRA752, + .eve.efuse.reg = STD_FUSE_OPP_VMIN_DSPEVE_NOM, + .eve.efuse.reg_bits = DRA752_EFUSE_REGBITS, + .eve.addr = TPS659038_REG_ADDR_SMPS45_EVE, + .eve.pmic = &tps659038, + + .gpu.value = VDD_GPU_DRA752, + .gpu.efuse.reg = STD_FUSE_OPP_VMIN_GPU_NOM, + .gpu.efuse.reg_bits = DRA752_EFUSE_REGBITS, + .gpu.addr = TPS659038_REG_ADDR_SMPS6_GPU, + .gpu.pmic = &tps659038, + + .core.value = VDD_CORE_DRA752, + .core.efuse.reg = STD_FUSE_OPP_VMIN_CORE_NOM, + .core.efuse.reg_bits = DRA752_EFUSE_REGBITS, + .core.addr = TPS659038_REG_ADDR_SMPS7_CORE, + .core.pmic = &tps659038, + + .iva.value = VDD_IVA_DRA752, + .iva.efuse.reg = STD_FUSE_OPP_VMIN_IVA_NOM, + .iva.efuse.reg_bits = DRA752_EFUSE_REGBITS, + .iva.addr = TPS659038_REG_ADDR_SMPS8_IVA, + .iva.pmic = &tps659038, +}; + /* * Enable essential clock domains, modules and * do some additional special settings needed @@ -383,12 +451,6 @@ void enable_basic_clocks(void) clk_modules_explicit_en_essential, 1); - /* Select 384Mhz for GPU as its the POR for ES1.0 */ - setbits_le32((*prcm)->cm_sgx_sgx_clkctrl, - CLKSEL_GPU_HYD_GCLK_MASK); - setbits_le32((*prcm)->cm_sgx_sgx_clkctrl, - CLKSEL_GPU_CORE_GCLK_MASK); - /* Enable SCRM OPT clocks for PER and CORE dpll */ setbits_le32((*prcm)->cm_wkupaon_scrm_clkctrl, OPTFCLKEN_SCRM_PER_MASK); @@ -540,6 +602,17 @@ const struct ctrl_ioregs ioregs_omap5432_es2 = { .ctrl_emif_sdram_config_ext = SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES, }; +const struct ctrl_ioregs ioregs_dra7xx_es1 = { + .ctrl_ddrch = 0x40404040, + .ctrl_lpddr2ch = 0x40404040, + .ctrl_ddr3ch = 0x80808080, + .ctrl_ddrio_0 = 0xbae8c631, + .ctrl_ddrio_1 = 0xb46318d8, + .ctrl_ddrio_2 = 0x84210000, + .ctrl_emif_sdram_config_ext = 0xb2c00000, + .ctrl_ddr_ctrl_ext_0 = 0xA2000000, +}; + void hw_data_init(void) { u32 omap_rev = omap_revision(); @@ -565,7 +638,7 @@ void hw_data_init(void) case DRA752_ES1_0: *prcm = &dra7xx_prcm; *dplls_data = &dra7xx_dplls; - *omap_vcores = &omap5430_volts_es2; + *omap_vcores = &dra752_volts; *ctrl = &dra7xx_ctrl; break; @@ -582,14 +655,16 @@ void get_ioregs(const struct ctrl_ioregs **regs) case OMAP5430_ES1_0: case OMAP5430_ES2_0: *regs = &ioregs_omap5430; - break; + break; case OMAP5432_ES1_0: *regs = &ioregs_omap5432_es1; - break; + break; case OMAP5432_ES2_0: - case DRA752_ES1_0: *regs = &ioregs_omap5432_es2; - break; + break; + case DRA752_ES1_0: + *regs = &ioregs_dra7xx_es1; + break; default: printf("\n INVALID OMAP REVISION "); diff --git a/arch/arm/cpu/armv7/omap5/hwinit.c b/arch/arm/cpu/armv7/omap5/hwinit.c index e192fea0eb..daf124e99c 100644 --- a/arch/arm/cpu/armv7/omap5/hwinit.c +++ b/arch/arm/cpu/armv7/omap5/hwinit.c @@ -32,7 +32,7 @@ #include <asm/armv7.h> #include <asm/arch/cpu.h> #include <asm/arch/sys_proto.h> -#include <asm/arch/clocks.h> +#include <asm/arch/clock.h> #include <asm/sizes.h> #include <asm/utils.h> #include <asm/arch/gpio.h> @@ -100,16 +100,21 @@ static void io_settings_ddr3(void) writel(ioregs->ctrl_emif_sdram_config_ext, (*ctrl)->control_emif2_sdram_config_ext); - /* Disable DLL select */ - io_settings = (readl((*ctrl)->control_port_emif1_sdram_config) + if (is_omap54xx()) { + /* Disable DLL select */ + io_settings = (readl((*ctrl)->control_port_emif1_sdram_config) & 0xFFEFFFFF); - writel(io_settings, - (*ctrl)->control_port_emif1_sdram_config); + writel(io_settings, + (*ctrl)->control_port_emif1_sdram_config); - io_settings = (readl((*ctrl)->control_port_emif2_sdram_config) + io_settings = (readl((*ctrl)->control_port_emif2_sdram_config) & 0xFFEFFFFF); - writel(io_settings, - (*ctrl)->control_port_emif2_sdram_config); + writel(io_settings, + (*ctrl)->control_port_emif2_sdram_config); + } else { + writel(ioregs->ctrl_ddr_ctrl_ext_0, + (*ctrl)->control_ddr_control_ext_0); + } } /* @@ -201,6 +206,9 @@ void srcomp_enable(void) u32 sysclk_ind = get_sys_clk_index(); u32 omap_rev = omap_revision(); + if (!is_omap54xx()) + return; + mul_factor = srcomp_parameters[sysclk_ind].multiply_factor; div_factor = srcomp_parameters[sysclk_ind].divide_factor; diff --git a/arch/arm/cpu/armv7/omap5/prcm-regs.c b/arch/arm/cpu/armv7/omap5/prcm-regs.c index e9f6a32653..e839ff5fe5 100644 --- a/arch/arm/cpu/armv7/omap5/prcm-regs.c +++ b/arch/arm/cpu/armv7/omap5/prcm-regs.c @@ -298,6 +298,7 @@ struct prcm_regs const omap5_es1_prcm = { .cm_wkupaon_io_srcomp_clkctrl = 0x4ae07898, .prm_rstctrl = 0x4ae07b00, .prm_rstst = 0x4ae07b04, + .prm_rsttime = 0x4ae07b08, .prm_vc_val_bypass = 0x4ae07ba0, .prm_vc_cfg_i2c_mode = 0x4ae07bb4, .prm_vc_cfg_i2c_clk = 0x4ae07bb8, @@ -307,10 +308,16 @@ struct prcm_regs const omap5_es1_prcm = { .prm_sldo_mpu_ctrl = 0x4ae07bd0, .prm_sldo_mm_setup = 0x4ae07bd4, .prm_sldo_mm_ctrl = 0x4ae07bd8, + + /* SCRM stuff, used by some boards */ + .scrm_auxclk0 = 0x4ae0a310, + .scrm_auxclk1 = 0x4ae0a314, }; struct omap_sys_ctrl_regs const omap5_ctrl = { .control_status = 0x4A002134, + .control_std_fuse_opp_vdd_mpu_2 = 0x4A0021B4, + .control_padconf_core_base = 0x4A002800, .control_paconf_global = 0x4A002DA0, .control_paconf_mode = 0x4A002DA4, .control_smart1io_padconf_0 = 0x4A002DA8, @@ -358,6 +365,8 @@ struct omap_sys_ctrl_regs const omap5_ctrl = { .control_port_emif2_sdram_config = 0x4AE0C118, .control_emif1_sdram_config_ext = 0x4AE0C144, .control_emif2_sdram_config_ext = 0x4AE0C148, + .control_wkup_ldovbb_mpu_voltage_ctrl = 0x4AE0C318, + .control_padconf_wkup_base = 0x4AE0C800, .control_smart1nopmio_padconf_0 = 0x4AE0CDA0, .control_smart1nopmio_padconf_1 = 0x4AE0CDA4, .control_padconf_mode = 0x4AE0CDA8, @@ -434,6 +443,7 @@ struct omap_sys_ctrl_regs const dra7xx_ctrl = { .control_srcomp_east_side = 0x4A002E7C, .control_srcomp_west_side = 0x4A002E80, .control_srcomp_code_latch = 0x4A002E84, + .control_ddr_control_ext_0 = 0x4A002E88, .control_padconf_core_base = 0x4A003400, .control_port_emif1_sdram_config = 0x4AE0C110, .control_port_emif1_lpddr2_nvm_config = 0x4AE0C114, @@ -709,6 +719,9 @@ struct prcm_regs const omap5_es2_prcm = { .cm_l3init_fsusb_clkctrl = 0x4a0096d0, .cm_l3init_ocp2scp1_clkctrl = 0x4a0096e0, + /* prm irqstatus regs */ + .prm_irqstatus_mpu_2 = 0x4ae06014, + /* l4 wkup regs */ .cm_abe_pll_ref_clksel = 0x4ae0610c, .cm_sys_clksel = 0x4ae06110, @@ -740,6 +753,12 @@ struct prcm_regs const omap5_es2_prcm = { .prm_sldo_mpu_ctrl = 0x4ae07cd0, .prm_sldo_mm_setup = 0x4ae07cd4, .prm_sldo_mm_ctrl = 0x4ae07cd8, + .prm_abbldo_mpu_setup = 0x4ae07cdc, + .prm_abbldo_mpu_ctrl = 0x4ae07ce0, + + /* SCRM stuff, used by some boards */ + .scrm_auxclk0 = 0x4ae0a310, + .scrm_auxclk1 = 0x4ae0a314, }; struct prcm_regs const dra7xx_prcm = { @@ -941,6 +960,7 @@ struct prcm_regs const dra7xx_prcm = { /* l4 wkup regs */ .cm_abe_pll_ref_clksel = 0x4ae0610c, .cm_sys_clksel = 0x4ae06110, + .cm_abe_pll_sys_clksel = 0x4ae06118, .cm_wkup_clkstctrl = 0x4ae07800, .cm_wkup_l4wkup_clkctrl = 0x4ae07820, .cm_wkup_wdtimer1_clkctrl = 0x4ae07828, diff --git a/arch/arm/cpu/armv7/omap5/sdram.c b/arch/arm/cpu/armv7/omap5/sdram.c index 6b461e4846..1b445a61eb 100644 --- a/arch/arm/cpu/armv7/omap5/sdram.c +++ b/arch/arm/cpu/armv7/omap5/sdram.c @@ -108,6 +108,7 @@ const struct emif_regs emif_regs_266_mhz_2cs = { const struct emif_regs emif_regs_ddr3_532_mhz_1cs = { .sdram_config_init = 0x61851B32, .sdram_config = 0x61851B32, + .sdram_config2 = 0x0, .ref_ctrl = 0x00001035, .sdram_tim1 = 0xCCCF36B3, .sdram_tim2 = 0x308F7FDA, @@ -131,6 +132,7 @@ const struct emif_regs emif_regs_ddr3_532_mhz_1cs = { const struct emif_regs emif_regs_ddr3_532_mhz_1cs_es2 = { .sdram_config_init = 0x61851B32, .sdram_config = 0x61851B32, + .sdram_config2 = 0x0, .ref_ctrl = 0x00001035, .sdram_tim1 = 0xCCCF36B3, .sdram_tim2 = 0x308F7FDA, @@ -151,6 +153,54 @@ const struct emif_regs emif_regs_ddr3_532_mhz_1cs_es2 = { .emif_rd_wr_exec_thresh = 0x40000305 }; +const struct emif_regs emif_1_regs_ddr3_532_mhz_1cs_dra_es1 = { + .sdram_config_init = 0x61851ab2, + .sdram_config = 0x61851ab2, + .sdram_config2 = 0x08000000, + .ref_ctrl = 0x00001035, + .sdram_tim1 = 0xCCCF36B3, + .sdram_tim2 = 0x308F7FDA, + .sdram_tim3 = 0x027F88A8, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x0007190B, + .temp_alert_config = 0x00000000, + .emif_ddr_phy_ctlr_1_init = 0x0E20400A, + .emif_ddr_phy_ctlr_1 = 0x0E24400A, + .emif_ddr_ext_phy_ctrl_1 = 0x04040100, + .emif_ddr_ext_phy_ctrl_2 = 0x009E009E, + .emif_ddr_ext_phy_ctrl_3 = 0x009E009E, + .emif_ddr_ext_phy_ctrl_4 = 0x009E009E, + .emif_ddr_ext_phy_ctrl_5 = 0x009E009E, + .emif_rd_wr_lvl_rmp_win = 0x00000000, + .emif_rd_wr_lvl_rmp_ctl = 0x80000000, + .emif_rd_wr_lvl_ctl = 0x00000000, + .emif_rd_wr_exec_thresh = 0x00000305 +}; + +const struct emif_regs emif_2_regs_ddr3_532_mhz_1cs_dra_es1 = { + .sdram_config_init = 0x61851B32, + .sdram_config = 0x61851B32, + .sdram_config2 = 0x08000000, + .ref_ctrl = 0x00001035, + .sdram_tim1 = 0xCCCF36B3, + .sdram_tim2 = 0x308F7FDA, + .sdram_tim3 = 0x027F88A8, + .read_idle_ctrl = 0x00050000, + .zq_config = 0x0007190B, + .temp_alert_config = 0x00000000, + .emif_ddr_phy_ctlr_1_init = 0x0020400A, + .emif_ddr_phy_ctlr_1 = 0x0E24400A, + .emif_ddr_ext_phy_ctrl_1 = 0x04040100, + .emif_ddr_ext_phy_ctrl_2 = 0x009D009D, + .emif_ddr_ext_phy_ctrl_3 = 0x009D009D, + .emif_ddr_ext_phy_ctrl_4 = 0x009D009D, + .emif_ddr_ext_phy_ctrl_5 = 0x009D009D, + .emif_rd_wr_lvl_rmp_win = 0x00000000, + .emif_rd_wr_lvl_rmp_ctl = 0x80000000, + .emif_rd_wr_lvl_ctl = 0x00000000, + .emif_rd_wr_exec_thresh = 0x00000305 +}; + const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .dmm_lisa_map_0 = 0x0, .dmm_lisa_map_1 = 0x0, @@ -159,11 +209,39 @@ const struct dmm_lisa_map_regs lisa_map_4G_x_2_x_2 = { .is_ma_present = 0x1 }; -const struct dmm_lisa_map_regs lisa_map_512M_x_1 = { +/* + * DRA752 EVM board has 1.5 GB of memory + * EMIF1 --> 2Gb * 2 = 512MB + * EMIF2 --> 2Gb * 4 = 1GB + * so mapping 1GB interleaved and 512MB non-interleaved + */ +const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2_2G_x_1_x_2 = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x80640300, + .dmm_lisa_map_2 = 0xC0500220, + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +/* + * DRA752 EVM EMIF1 ONLY CONFIGURATION + */ +const struct dmm_lisa_map_regs lisa_map_2G_x_1_x_2 = { .dmm_lisa_map_0 = 0x0, .dmm_lisa_map_1 = 0x0, - .dmm_lisa_map_2 = 0x0, - .dmm_lisa_map_3 = 0x80500100, + .dmm_lisa_map_2 = 0x80500100, + .dmm_lisa_map_3 = 0xFF020100, + .is_ma_present = 0x1 +}; + +/* + * DRA752 EVM EMIF2 ONLY CONFIGURATION + */ +const struct dmm_lisa_map_regs lisa_map_2G_x_2_x_2 = { + .dmm_lisa_map_0 = 0x0, + .dmm_lisa_map_1 = 0x0, + .dmm_lisa_map_2 = 0x80600200, + .dmm_lisa_map_3 = 0xFF020100, .is_ma_present = 0x1 }; @@ -180,9 +258,20 @@ static void emif_get_reg_dump_sdp(u32 emif_nr, const struct emif_regs **regs) *regs = &emif_regs_532_mhz_2cs_es2; break; case OMAP5432_ES2_0: + *regs = &emif_regs_ddr3_532_mhz_1cs_es2; + break; case DRA752_ES1_0: + switch (emif_nr) { + case 1: + *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; + break; + case 2: + *regs = &emif_2_regs_ddr3_532_mhz_1cs_dra_es1; + break; + } + break; default: - *regs = &emif_regs_ddr3_532_mhz_1cs_es2; + *regs = &emif_1_regs_ddr3_532_mhz_1cs_dra_es1; } } @@ -201,7 +290,7 @@ static void emif_get_dmm_regs_sdp(const struct dmm_lisa_map_regs break; case DRA752_ES1_0: default: - *dmm_lisa_regs = &lisa_map_512M_x_1; + *dmm_lisa_regs = &lisa_map_2G_x_2_x_2_2G_x_1_x_2; } } @@ -252,7 +341,8 @@ const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000077 + 0x00000077, + 0x0 }; const u32 ddr3_ext_phy_ctrl_const_base_es1[EMIF_EXT_PHY_CTRL_CONST_REG] = { @@ -274,7 +364,8 @@ const u32 ddr3_ext_phy_ctrl_const_base_es1[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000057 + 0x00000057, + 0x0 }; const u32 ddr3_ext_phy_ctrl_const_base_es2[EMIF_EXT_PHY_CTRL_CONST_REG] = { @@ -296,7 +387,56 @@ const u32 ddr3_ext_phy_ctrl_const_base_es2[EMIF_EXT_PHY_CTRL_CONST_REG] = { 0x00000000, 0x00000000, 0x00000000, - 0x00000057 + 0x00000057, + 0x0 +}; + +const u32 +dra_ddr3_ext_phy_ctrl_const_base_es1_emif1[EMIF_EXT_PHY_CTRL_CONST_REG] = { + 0x009E009E, + 0x002E002E, + 0x002E002E, + 0x002E002E, + 0x002E002E, + 0x002E002E, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x004D004D, + 0x0, + 0x600020, + 0x40010080, + 0x8102040 +}; + +const u32 +dra_ddr3_ext_phy_ctrl_const_base_es1_emif2[EMIF_EXT_PHY_CTRL_CONST_REG] = { + 0x009D009D, + 0x002D002D, + 0x002D002D, + 0x002D002D, + 0x002D002D, + 0x002D002D, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x00570057, + 0x0, + 0x600020, + 0x40010080, + 0x8102040 }; const struct lpddr2_mr_regs mr_regs = { @@ -307,7 +447,7 @@ const struct lpddr2_mr_regs mr_regs = { .mr16 = MR16_REF_FULL_ARRAY }; -static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs) +static void emif_get_ext_phy_ctrl_const_regs(u32 emif_nr, const u32 **regs) { switch (omap_revision()) { case OMAP5430_ES1_0: @@ -318,7 +458,14 @@ static void emif_get_ext_phy_ctrl_const_regs(const u32 **regs) *regs = ddr3_ext_phy_ctrl_const_base_es1; break; case OMAP5432_ES2_0: + *regs = ddr3_ext_phy_ctrl_const_base_es2; + break; case DRA752_ES1_0: + if (emif_nr == 1) + *regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif1; + else + *regs = dra_ddr3_ext_phy_ctrl_const_base_es1_emif2; + break; default: *regs = ddr3_ext_phy_ctrl_const_base_es2; @@ -334,9 +481,12 @@ void do_ext_phy_settings(u32 base, const struct emif_regs *regs) { u32 *ext_phy_ctrl_base = 0; u32 *emif_ext_phy_ctrl_base = 0; + u32 emif_nr; const u32 *ext_phy_ctrl_const_regs; u32 i = 0; + emif_nr = (base == EMIF1_BASE) ? 1 : 2; + struct emif_reg_struct *emif = (struct emif_reg_struct *)base; ext_phy_ctrl_base = (u32 *) &(regs->emif_ddr_ext_phy_ctrl_1); @@ -353,7 +503,7 @@ void do_ext_phy_settings(u32 base, const struct emif_regs *regs) * external phy 6-24 registers do not change with * ddr frequency */ - emif_get_ext_phy_ctrl_const_regs(&ext_phy_ctrl_const_regs); + emif_get_ext_phy_ctrl_const_regs(emif_nr, &ext_phy_ctrl_const_regs); for (i = 0; i < EMIF_EXT_PHY_CTRL_CONST_REG; i++) { writel(ext_phy_ctrl_const_regs[i], emif_ext_phy_ctrl_base++); diff --git a/arch/arm/cpu/armv7/start.S b/arch/arm/cpu/armv7/start.S index e9e57e6450..8e9cb19119 100644 --- a/arch/arm/cpu/armv7/start.S +++ b/arch/arm/cpu/armv7/start.S @@ -94,10 +94,6 @@ _TEXT_BASE: _bss_start_ofs: .word __bss_start - _start -.globl _image_copy_end_ofs -_image_copy_end_ofs: - .word __image_copy_end - _start - .globl _bss_end_ofs _bss_end_ofs: .word __bss_end - _start @@ -167,80 +163,6 @@ reset: /*------------------------------------------------------------------------------*/ -#ifndef CONFIG_SPL_BUILD -/* - * void relocate_code(addr_moni) - * - * This function relocates the monitor code. - */ -ENTRY(relocate_code) - mov r6, r0 /* save addr of destination */ - - adr r0, _start - subs r9, r6, r0 /* r9 <- relocation offset */ - beq relocate_done /* skip relocation */ - mov r1, r6 /* r1 <- scratch for copy_loop */ - ldr r3, _image_copy_end_ofs - add r2, r0, r3 /* r2 <- source end address */ - -copy_loop: - ldmia r0!, {r10-r11} /* copy from source address [r0] */ - stmia r1!, {r10-r11} /* copy to target address [r1] */ - cmp r0, r2 /* until source end address [r2] */ - blo copy_loop - - /* - * fix .rel.dyn relocations - */ - ldr r0, _TEXT_BASE /* r0 <- Text base */ - ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ - add r10, r10, r0 /* r10 <- sym table in FLASH */ - ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ - add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ - ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ - add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ -fixloop: - ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ - add r0, r0, r9 /* r0 <- location to fix up in RAM */ - ldr r1, [r2, #4] - and r7, r1, #0xff - cmp r7, #23 /* relative fixup? */ - beq fixrel - cmp r7, #2 /* absolute fixup? */ - beq fixabs - /* ignore unknown type of fixup */ - b fixnext -fixabs: - /* absolute fix: set location to (offset) symbol value */ - mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ - add r1, r10, r1 /* r1 <- address of symbol in table */ - ldr r1, [r1, #4] /* r1 <- symbol value */ - add r1, r1, r9 /* r1 <- relocated sym addr */ - b fixnext -fixrel: - /* relative fix: increase location by offset */ - ldr r1, [r0] - add r1, r1, r9 -fixnext: - str r1, [r0] - add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ - cmp r2, r3 - blo fixloop - -relocate_done: - - bx lr - -_rel_dyn_start_ofs: - .word __rel_dyn_start - _start -_rel_dyn_end_ofs: - .word __rel_dyn_end - _start -_dynsym_start_ofs: - .word __dynsym_start - _start -ENDPROC(relocate_code) - -#endif - ENTRY(c_runtime_cpu_setup) /* * If I-cache is enabled invalidate it diff --git a/arch/arm/cpu/armv7/vf610/Makefile b/arch/arm/cpu/armv7/vf610/Makefile new file mode 100644 index 0000000000..9232cd4276 --- /dev/null +++ b/arch/arm/cpu/armv7/vf610/Makefile @@ -0,0 +1,42 @@ +# +# Copyright 2013 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 $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS += generic.o +COBJS += timer.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/vf610/generic.c b/arch/arm/cpu/armv7/vf610/generic.c new file mode 100644 index 0000000000..87f2a8642d --- /dev/null +++ b/arch/arm/cpu/armv7/vf610/generic.c @@ -0,0 +1,324 @@ +/* + * Copyright 2013 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 <common.h> +#include <asm/io.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/clock.h> +#include <asm/arch/crm_regs.h> +#include <netdev.h> +#ifdef CONFIG_FSL_ESDHC +#include <fsl_esdhc.h> +#endif + +#ifdef CONFIG_FSL_ESDHC +DECLARE_GLOBAL_DATA_PTR; +#endif + +#ifdef CONFIG_MXC_OCOTP +void enable_ocotp_clk(unsigned char enable) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + u32 reg; + + reg = readl(&ccm->ccgr6); + if (enable) + reg |= CCM_CCGR6_OCOTP_CTRL_MASK; + else + reg &= ~CCM_CCGR6_OCOTP_CTRL_MASK; + writel(reg, &ccm->ccgr6); +} +#endif + +static u32 get_mcu_main_clk(void) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + u32 ccm_ccsr, ccm_cacrr, armclk_div; + u32 sysclk_sel, pll_pfd_sel = 0; + u32 freq = 0; + + ccm_ccsr = readl(&ccm->ccsr); + sysclk_sel = ccm_ccsr & CCM_CCSR_SYS_CLK_SEL_MASK; + sysclk_sel >>= CCM_CCSR_SYS_CLK_SEL_OFFSET; + + ccm_cacrr = readl(&ccm->cacrr); + armclk_div = ccm_cacrr & CCM_CACRR_ARM_CLK_DIV_MASK; + armclk_div >>= CCM_CACRR_ARM_CLK_DIV_OFFSET; + armclk_div += 1; + + switch (sysclk_sel) { + case 0: + freq = FASE_CLK_FREQ; + break; + case 1: + freq = SLOW_CLK_FREQ; + break; + case 2: + pll_pfd_sel = ccm_ccsr & CCM_CCSR_PLL2_PFD_CLK_SEL_MASK; + pll_pfd_sel >>= CCM_CCSR_PLL2_PFD_CLK_SEL_OFFSET; + if (pll_pfd_sel == 0) + freq = PLL2_MAIN_FREQ; + else if (pll_pfd_sel == 1) + freq = PLL2_PFD1_FREQ; + else if (pll_pfd_sel == 2) + freq = PLL2_PFD2_FREQ; + else if (pll_pfd_sel == 3) + freq = PLL2_PFD3_FREQ; + else if (pll_pfd_sel == 4) + freq = PLL2_PFD4_FREQ; + break; + case 3: + freq = PLL2_MAIN_FREQ; + break; + case 4: + pll_pfd_sel = ccm_ccsr & CCM_CCSR_PLL1_PFD_CLK_SEL_MASK; + pll_pfd_sel >>= CCM_CCSR_PLL1_PFD_CLK_SEL_OFFSET; + if (pll_pfd_sel == 0) + freq = PLL1_MAIN_FREQ; + else if (pll_pfd_sel == 1) + freq = PLL1_PFD1_FREQ; + else if (pll_pfd_sel == 2) + freq = PLL1_PFD2_FREQ; + else if (pll_pfd_sel == 3) + freq = PLL1_PFD3_FREQ; + else if (pll_pfd_sel == 4) + freq = PLL1_PFD4_FREQ; + break; + case 5: + freq = PLL3_MAIN_FREQ; + break; + default: + printf("unsupported system clock select\n"); + } + + return freq / armclk_div; +} + +static u32 get_bus_clk(void) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + u32 ccm_cacrr, busclk_div; + + ccm_cacrr = readl(&ccm->cacrr); + + busclk_div = ccm_cacrr & CCM_CACRR_BUS_CLK_DIV_MASK; + busclk_div >>= CCM_CACRR_BUS_CLK_DIV_OFFSET; + busclk_div += 1; + + return get_mcu_main_clk() / busclk_div; +} + +static u32 get_ipg_clk(void) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + u32 ccm_cacrr, ipgclk_div; + + ccm_cacrr = readl(&ccm->cacrr); + + ipgclk_div = ccm_cacrr & CCM_CACRR_IPG_CLK_DIV_MASK; + ipgclk_div >>= CCM_CACRR_IPG_CLK_DIV_OFFSET; + ipgclk_div += 1; + + return get_bus_clk() / ipgclk_div; +} + +static u32 get_uart_clk(void) +{ + return get_ipg_clk(); +} + +static u32 get_sdhc_clk(void) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + u32 ccm_cscmr1, ccm_cscdr2, sdhc_clk_sel, sdhc_clk_div; + u32 freq = 0; + + ccm_cscmr1 = readl(&ccm->cscmr1); + sdhc_clk_sel = ccm_cscmr1 & CCM_CSCMR1_ESDHC1_CLK_SEL_MASK; + sdhc_clk_sel >>= CCM_CSCMR1_ESDHC1_CLK_SEL_OFFSET; + + ccm_cscdr2 = readl(&ccm->cscdr2); + sdhc_clk_div = ccm_cscdr2 & CCM_CSCDR2_ESDHC1_CLK_DIV_MASK; + sdhc_clk_div >>= CCM_CSCDR2_ESDHC1_CLK_DIV_OFFSET; + sdhc_clk_div += 1; + + switch (sdhc_clk_sel) { + case 0: + freq = PLL3_MAIN_FREQ; + break; + case 1: + freq = PLL3_PFD3_FREQ; + break; + case 2: + freq = PLL1_PFD3_FREQ; + break; + case 3: + freq = get_bus_clk(); + break; + } + + return freq / sdhc_clk_div; +} + +u32 get_fec_clk(void) +{ + struct ccm_reg *ccm = (struct ccm_reg *)CCM_BASE_ADDR; + u32 ccm_cscmr2, rmii_clk_sel; + u32 freq = 0; + + ccm_cscmr2 = readl(&ccm->cscmr2); + rmii_clk_sel = ccm_cscmr2 & CCM_CSCMR2_RMII_CLK_SEL_MASK; + rmii_clk_sel >>= CCM_CSCMR2_RMII_CLK_SEL_OFFSET; + + switch (rmii_clk_sel) { + case 0: + freq = ENET_EXTERNAL_CLK; + break; + case 1: + freq = AUDIO_EXTERNAL_CLK; + break; + case 2: + freq = PLL5_MAIN_FREQ; + break; + case 3: + freq = PLL5_MAIN_FREQ / 2; + break; + } + + return freq; +} + +unsigned int mxc_get_clock(enum mxc_clock clk) +{ + switch (clk) { + case MXC_ARM_CLK: + return get_mcu_main_clk(); + case MXC_BUS_CLK: + return get_bus_clk(); + case MXC_IPG_CLK: + return get_ipg_clk(); + case MXC_UART_CLK: + return get_uart_clk(); + case MXC_ESDHC_CLK: + return get_sdhc_clk(); + case MXC_FEC_CLK: + return get_fec_clk(); + default: + break; + } + return -1; +} + +/* Dump some core clocks */ +int do_vf610_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, + char * const argv[]) +{ + printf("\n"); + printf("cpu clock : %8d MHz\n", mxc_get_clock(MXC_ARM_CLK) / 1000000); + printf("bus clock : %8d MHz\n", mxc_get_clock(MXC_BUS_CLK) / 1000000); + printf("ipg clock : %8d MHz\n", mxc_get_clock(MXC_IPG_CLK) / 1000000); + + return 0; +} + +U_BOOT_CMD( + clocks, CONFIG_SYS_MAXARGS, 1, do_vf610_showclocks, + "display clocks", + "" +); + +#ifdef CONFIG_FEC_MXC +void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) +{ + struct ocotp_regs *ocotp = (struct ocotp_regs *)OCOTP_BASE_ADDR; + struct fuse_bank *bank = &ocotp->bank[4]; + struct fuse_bank4_regs *fuse = + (struct fuse_bank4_regs *)bank->fuse_regs; + + u32 value = readl(&fuse->mac_addr0); + mac[0] = (value >> 8); + mac[1] = value; + + value = readl(&fuse->mac_addr1); + mac[2] = value >> 24; + mac[3] = value >> 16; + mac[4] = value >> 8; + mac[5] = value; +} +#endif + +#if defined(CONFIG_DISPLAY_CPUINFO) +static char *get_reset_cause(void) +{ + u32 cause; + struct src *src_regs = (struct src *)SRC_BASE_ADDR; + + cause = readl(&src_regs->srsr); + writel(cause, &src_regs->srsr); + cause &= 0xff; + + switch (cause) { + case 0x08: + return "WDOG"; + case 0x20: + return "JTAG HIGH-Z"; + case 0x80: + return "EXTERNAL RESET"; + case 0xfd: + return "POR"; + default: + return "unknown reset"; + } +} + +int print_cpuinfo(void) +{ + printf("CPU: Freescale Vybrid VF610 at %d MHz\n", + mxc_get_clock(MXC_ARM_CLK) / 1000000); + printf("Reset cause: %s\n", get_reset_cause()); + + return 0; +} +#endif + +int cpu_eth_init(bd_t *bis) +{ + int rc = -ENODEV; + +#if defined(CONFIG_FEC_MXC) + rc = fecmxc_initialize(bis); +#endif + + return rc; +} + +#ifdef CONFIG_FSL_ESDHC +int cpu_mmc_init(bd_t *bis) +{ + return fsl_esdhc_mmc_init(bis); +} +#endif + +int get_clocks(void) +{ +#ifdef CONFIG_FSL_ESDHC + gd->arch.sdhc_clk = mxc_get_clock(MXC_ESDHC_CLK); +#endif + return 0; +} diff --git a/arch/arm/cpu/armv7/vf610/timer.c b/arch/arm/cpu/armv7/vf610/timer.c new file mode 100644 index 0000000000..f8fbed7864 --- /dev/null +++ b/arch/arm/cpu/armv7/vf610/timer.c @@ -0,0 +1,103 @@ +/* + * Copyright 2013 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 <common.h> +#include <asm/io.h> +#include <div64.h> +#include <asm/arch/imx-regs.h> +#include <asm/arch/clock.h> + +static struct pit_reg *cur_pit = (struct pit_reg *)PIT_BASE_ADDR; + +DECLARE_GLOBAL_DATA_PTR; + +#define TIMER_LOAD_VAL 0xffffffff + +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + tick *= CONFIG_SYS_HZ; + do_div(tick, mxc_get_clock(MXC_IPG_CLK)); + + return tick; +} + +static inline unsigned long long us_to_tick(unsigned long long usec) +{ + usec = usec * mxc_get_clock(MXC_IPG_CLK) + 999999; + do_div(usec, 1000000); + + return usec; +} + +int timer_init(void) +{ + __raw_writel(0, &cur_pit->mcr); + + __raw_writel(TIMER_LOAD_VAL, &cur_pit->ldval1); + __raw_writel(0, &cur_pit->tctrl1); + __raw_writel(1, &cur_pit->tctrl1); + + gd->arch.tbl = 0; + gd->arch.tbu = 0; + + return 0; +} + +unsigned long long get_ticks(void) +{ + ulong now = TIMER_LOAD_VAL - __raw_readl(&cur_pit->cval1); + + /* increment tbu if tbl has rolled over */ + if (now < gd->arch.tbl) + gd->arch.tbu++; + gd->arch.tbl = now; + + return (((unsigned long long)gd->arch.tbu) << 32) | gd->arch.tbl; +} + +ulong get_timer_masked(void) +{ + return tick_to_time(get_ticks()); +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +/* delay x useconds AND preserve advance timstamp value */ +void __udelay(unsigned long usec) +{ + unsigned long long start; + ulong tmo; + + start = get_ticks(); /* get current timestamp */ + tmo = us_to_tick(usec); /* convert usecs to ticks */ + while ((get_ticks() - start) < tmo) + ; /* loop till time has passed */ +} + +/* + * 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 mxc_get_clock(MXC_IPG_CLK); +} |