diff options
Diffstat (limited to 'arch/arm/cpu/arm926ejs')
30 files changed, 691 insertions, 455 deletions
diff --git a/arch/arm/cpu/arm926ejs/at91/Makefile b/arch/arm/cpu/arm926ejs/at91/Makefile index f333753c7..346e58fae 100644 --- a/arch/arm/cpu/arm926ejs/at91/Makefile +++ b/arch/arm/cpu/arm926ejs/at91/Makefile @@ -35,6 +35,7 @@ COBJS-$(CONFIG_AT91SAM9263) += at91sam9263_devices.o COBJS-$(CONFIG_AT91SAM9RL) += at91sam9rl_devices.o COBJS-$(CONFIG_AT91SAM9M10G45) += at91sam9m10g45_devices.o COBJS-$(CONFIG_AT91SAM9G45) += at91sam9m10g45_devices.o +COBJS-$(CONFIG_AT91SAM9X5) += at91sam9x5_devices.o COBJS-$(CONFIG_AT91_EFLASH) += eflash.o COBJS-$(CONFIG_AT91_LED) += led.o COBJS-y += clock.o diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c index 62f76fa8e..19ec615c7 100644 --- a/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9260_devices.c @@ -158,6 +158,10 @@ void at91_spi1_hw_init(unsigned long cs_mask) #ifdef CONFIG_MACB void at91_macb_hw_init(void) { + /* Enable EMAC clock */ + struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + at91_set_a_periph(AT91_PIO_PORTA, 19, 0); /* ETXCK_EREFCK */ at91_set_a_periph(AT91_PIO_PORTA, 17, 0); /* ERXDV */ at91_set_a_periph(AT91_PIO_PORTA, 14, 0); /* ERX0 */ diff --git a/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c new file mode 100644 index 000000000..6d77219d0 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/at91/at91sam9x5_devices.c @@ -0,0 +1,232 @@ +/* + * Copyright (C) 2012 Atmel Corporation + * + * 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/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/gpio.h> +#include <asm/io.h> + +unsigned int get_chip_id(void) +{ + /* The 0x40 is the offset of cidr in DBGU */ + return readl(ATMEL_BASE_DBGU + 0x40) & ~ARCH_ID_VERSION_MASK; +} + +unsigned int get_extension_chip_id(void) +{ + /* The 0x44 is the offset of exid in DBGU */ + return readl(ATMEL_BASE_DBGU + 0x44); +} + +unsigned int has_emac1() +{ + return cpu_is_at91sam9x25(); +} + +unsigned int has_emac0() +{ + return !(cpu_is_at91sam9g15()); +} + +unsigned int has_lcdc() +{ + return cpu_is_at91sam9g15() || cpu_is_at91sam9g35() + || cpu_is_at91sam9x35(); +} + +char *get_cpu_name() +{ + unsigned int extension_id = get_extension_chip_id(); + + if (cpu_is_at91sam9x5()) { + switch (extension_id) { + case ARCH_EXID_AT91SAM9G15: + return CONFIG_SYS_AT91_G15_CPU_NAME; + case ARCH_EXID_AT91SAM9G25: + return CONFIG_SYS_AT91_G25_CPU_NAME; + case ARCH_EXID_AT91SAM9G35: + return CONFIG_SYS_AT91_G35_CPU_NAME; + case ARCH_EXID_AT91SAM9X25: + return CONFIG_SYS_AT91_X25_CPU_NAME; + case ARCH_EXID_AT91SAM9X35: + return CONFIG_SYS_AT91_X35_CPU_NAME; + default: + return CONFIG_SYS_AT91_UNKNOWN_CPU; + } + } else { + return CONFIG_SYS_AT91_UNKNOWN_CPU; + } +} + +void at91_seriald_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 9, 0); /* DRXD */ + at91_set_a_periph(AT91_PIO_PORTA, 10, 1); /* DTXD */ + + writel(1 << ATMEL_ID_SYS, &pmc->pcer); +} + +void at91_serial0_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 0, 1); /* TXD */ + at91_set_a_periph(AT91_PIO_PORTA, 1, 0); /* RXD */ + + writel(1 << ATMEL_ID_USART0, &pmc->pcer); +} + +void at91_serial1_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 5, 1); /* TXD */ + at91_set_a_periph(AT91_PIO_PORTA, 6, 0); /* RXD */ + + writel(1 << ATMEL_ID_USART1, &pmc->pcer); +} + +void at91_serial2_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 7, 1); /* TXD */ + at91_set_a_periph(AT91_PIO_PORTA, 8, 0); /* RXD */ + + writel(1 << ATMEL_ID_USART2, &pmc->pcer); +} + +#ifdef CONFIG_ATMEL_SPI +void at91_spi0_hw_init(unsigned long cs_mask) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_a_periph(AT91_PIO_PORTA, 11, 0); /* SPI0_MISO */ + at91_set_a_periph(AT91_PIO_PORTA, 12, 0); /* SPI0_MOSI */ + at91_set_a_periph(AT91_PIO_PORTA, 13, 0); /* SPI0_SPCK */ + + /* Enable clock */ + writel(1 << ATMEL_ID_SPI0, &pmc->pcer); + + if (cs_mask & (1 << 0)) + at91_set_a_periph(AT91_PIO_PORTA, 14, 0); + if (cs_mask & (1 << 1)) + at91_set_b_periph(AT91_PIO_PORTA, 7, 0); + if (cs_mask & (1 << 2)) + at91_set_b_periph(AT91_PIO_PORTA, 1, 0); + if (cs_mask & (1 << 3)) + at91_set_b_periph(AT91_PIO_PORTB, 3, 0); + if (cs_mask & (1 << 4)) + at91_set_pio_output(AT91_PIO_PORTA, 14, 0); + if (cs_mask & (1 << 5)) + at91_set_pio_output(AT91_PIO_PORTA, 7, 0); + if (cs_mask & (1 << 6)) + at91_set_pio_output(AT91_PIO_PORTA, 1, 0); + if (cs_mask & (1 << 7)) + at91_set_pio_output(AT91_PIO_PORTB, 3, 0); +} + +void at91_spi1_hw_init(unsigned long cs_mask) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + at91_set_b_periph(AT91_PIO_PORTA, 21, 0); /* SPI1_MISO */ + at91_set_b_periph(AT91_PIO_PORTA, 22, 0); /* SPI1_MOSI */ + at91_set_b_periph(AT91_PIO_PORTA, 23, 0); /* SPI1_SPCK */ + + /* Enable clock */ + writel(1 << ATMEL_ID_SPI1, &pmc->pcer); + + if (cs_mask & (1 << 0)) + at91_set_b_periph(AT91_PIO_PORTA, 8, 0); + if (cs_mask & (1 << 1)) + at91_set_b_periph(AT91_PIO_PORTA, 0, 0); + if (cs_mask & (1 << 2)) + at91_set_b_periph(AT91_PIO_PORTA, 31, 0); + if (cs_mask & (1 << 3)) + at91_set_b_periph(AT91_PIO_PORTA, 30, 0); + if (cs_mask & (1 << 4)) + at91_set_pio_output(AT91_PIO_PORTA, 8, 0); + if (cs_mask & (1 << 5)) + at91_set_pio_output(AT91_PIO_PORTA, 0, 0); + if (cs_mask & (1 << 6)) + at91_set_pio_output(AT91_PIO_PORTA, 31, 0); + if (cs_mask & (1 << 7)) + at91_set_pio_output(AT91_PIO_PORTA, 30, 0); +} +#endif + +#ifdef CONFIG_MACB +void at91_macb_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; + + if (has_emac0()) { + /* Enable EMAC0 clock */ + writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + /* EMAC0 pins setup */ + at91_set_a_periph(AT91_PIO_PORTB, 4, 0); /* ETXCK */ + at91_set_a_periph(AT91_PIO_PORTB, 3, 0); /* ERXDV */ + at91_set_a_periph(AT91_PIO_PORTB, 0, 0); /* ERX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 1, 0); /* ERX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 2, 0); /* ERXER */ + at91_set_a_periph(AT91_PIO_PORTB, 7, 0); /* ETXEN */ + at91_set_a_periph(AT91_PIO_PORTB, 9, 0); /* ETX0 */ + at91_set_a_periph(AT91_PIO_PORTB, 10, 0); /* ETX1 */ + at91_set_a_periph(AT91_PIO_PORTB, 5, 0); /* EMDIO */ + at91_set_a_periph(AT91_PIO_PORTB, 6, 0); /* EMDC */ + } + + if (has_emac1()) { + /* Enable EMAC1 clock */ + writel(1 << ATMEL_ID_EMAC1, &pmc->pcer); + /* EMAC1 pins setup */ + at91_set_b_periph(AT91_PIO_PORTC, 29, 0); /* ETXCK */ + at91_set_b_periph(AT91_PIO_PORTC, 28, 0); /* ECRSDV */ + at91_set_b_periph(AT91_PIO_PORTC, 20, 0); /* ERXO */ + at91_set_b_periph(AT91_PIO_PORTC, 21, 0); /* ERX1 */ + at91_set_b_periph(AT91_PIO_PORTC, 16, 0); /* ERXER */ + at91_set_b_periph(AT91_PIO_PORTC, 27, 0); /* ETXEN */ + at91_set_b_periph(AT91_PIO_PORTC, 18, 0); /* ETX0 */ + at91_set_b_periph(AT91_PIO_PORTC, 19, 0); /* ETX1 */ + at91_set_b_periph(AT91_PIO_PORTC, 31, 0); /* EMDIO */ + at91_set_b_periph(AT91_PIO_PORTC, 30, 0); /* EMDC */ + } + +#ifndef CONFIG_RMII + /* Only emac0 support MII */ + if (has_emac0()) { + at91_set_b_periph(AT91_PIO_PORTB, 16, 0); /* ECRS */ + at91_set_b_periph(AT91_PIO_PORTB, 17, 0); /* ECOL */ + at91_set_b_periph(AT91_PIO_PORTB, 13, 0); /* ERX2 */ + at91_set_b_periph(AT91_PIO_PORTB, 14, 0); /* ERX3 */ + at91_set_b_periph(AT91_PIO_PORTB, 15, 0); /* ERXCK */ + at91_set_b_periph(AT91_PIO_PORTB, 11, 0); /* ETX2 */ + at91_set_b_periph(AT91_PIO_PORTB, 12, 0); /* ETX3 */ + at91_set_b_periph(AT91_PIO_PORTB, 8, 0); /* ETXER */ + } +#endif +} +#endif diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c index a7085deac..dc5c6c4b0 100644 --- a/arch/arm/cpu/arm926ejs/at91/clock.c +++ b/arch/arm/cpu/arm926ejs/at91/clock.c @@ -154,7 +154,8 @@ int at91_clock_init(unsigned long main_clock) * For now, assume this parentage won't change. */ mckr = readl(&pmc->mckr); -#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) +#if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ + || defined(CONFIG_AT91SAM9X5) /* plla divisor by 2 */ gd->plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12)); #endif @@ -168,7 +169,14 @@ int at91_clock_init(unsigned long main_clock) freq / ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 7) : freq; if (mckr & AT91_PMC_MCKR_MDIV_MASK) freq /= 2; /* processor clock division */ -#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) +#elif defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \ + || defined(CONFIG_AT91SAM9X5) + /* mdiv <==> divisor + * 0 <==> 1 + * 1 <==> 2 + * 2 <==> 4 + * 3 <==> 3 + */ gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) == (AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4) ? freq / 3 diff --git a/arch/arm/cpu/arm926ejs/at91/cpu.c b/arch/arm/cpu/arm926ejs/at91/cpu.c index c47fb31e9..5cf4fad0b 100644 --- a/arch/arm/cpu/arm926ejs/at91/cpu.c +++ b/arch/arm/cpu/arm926ejs/at91/cpu.c @@ -71,29 +71,3 @@ int print_cpuinfo(void) return 0; } #endif - -#ifdef CONFIG_BOOTCOUNT_LIMIT -/* - * We combine the BOOTCOUNT_MAGIC and bootcount in one 32-bit register. - * This is done so we need to use only one of the four GPBR registers. - */ -void bootcount_store (ulong a) -{ - at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; - - writel((BOOTCOUNT_MAGIC & 0xffff0000) | (a & 0x0000ffff), - &gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]); -} - -ulong bootcount_load (void) -{ - at91_gpbr_t *gpbr = (at91_gpbr_t *) ATMEL_BASE_GPBR; - - ulong val = readl(&gpbr->reg[AT91_GPBR_INDEX_BOOTCOUNT]); - if ((val & 0xffff0000) != (BOOTCOUNT_MAGIC & 0xffff0000)) - return 0; - else - return val & 0x0000ffff; -} - -#endif /* CONFIG_BOOTCOUNT_LIMIT */ diff --git a/arch/arm/cpu/arm926ejs/davinci/Makefile b/arch/arm/cpu/arm926ejs/davinci/Makefile index da7efac08..c91928e71 100644 --- a/arch/arm/cpu/arm926ejs/davinci/Makefile +++ b/arch/arm/cpu/arm926ejs/davinci/Makefile @@ -27,7 +27,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS-y += cpu.o misc.o timer.o psc.o pinmux.o +COBJS-y += cpu.o misc.o timer.o psc.o pinmux.o reset.o COBJS-$(CONFIG_DA850_LOWLEVEL) += da850_lowlevel.o COBJS-$(CONFIG_SOC_DM355) += dm355.o COBJS-$(CONFIG_SOC_DM365) += dm365.o @@ -42,8 +42,6 @@ COBJS-$(CONFIG_SOC_DM365) += dm365_lowlevel.o COBJS-$(CONFIG_SOC_DA8XX) += da850_lowlevel.o endif -SOBJS = reset.o - ifndef CONFIG_SKIP_LOWLEVEL_INIT SOBJS += lowlevel_init.o endif diff --git a/arch/arm/cpu/arm926ejs/davinci/cpu.c b/arch/arm/cpu/arm926ejs/davinci/cpu.c index 6cb857aef..b31add8de 100644 --- a/arch/arm/cpu/arm926ejs/davinci/cpu.c +++ b/arch/arm/cpu/arm926ejs/davinci/cpu.c @@ -117,6 +117,17 @@ int clk_get(enum davinci_clk_ids id) out: return pll_out; } + +int set_cpu_clk_info(void) +{ + gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000; + /* DDR PHY uses an x2 input clock */ + gd->bd->bi_ddr_freq = cpu_is_da830() ? 0 : + (clk_get(DAVINCI_DDR_CLKID) / 1000000); + gd->bd->bi_dsp_freq = 0; + return 0; +} + #else /* CONFIG_SOC_DA8XX */ static unsigned pll_div(volatile void *pllbase, unsigned offset) @@ -187,16 +198,9 @@ unsigned int davinci_clk_get(unsigned int div) return pll_sysclk_mhz(DAVINCI_PLL_CNTRL0_BASE, div) * 1000000; } #endif -#endif /* !CONFIG_SOC_DA8XX */ int set_cpu_clk_info(void) { -#ifdef CONFIG_SOC_DA8XX - gd->bd->bi_arm_freq = clk_get(DAVINCI_ARM_CLKID) / 1000000; - /* DDR PHY uses an x2 input clock */ - gd->bd->bi_ddr_freq = clk_get(0x10001) / 1000000; -#else - unsigned int pllbase = DAVINCI_PLL_CNTRL0_BASE; #if defined(CONFIG_SOC_DM365) pllbase = DAVINCI_PLL_CNTRL1_BASE; @@ -215,10 +219,12 @@ int set_cpu_clk_info(void) pllbase = DAVINCI_PLL_CNTRL0_BASE; #endif gd->bd->bi_ddr_freq = pll_sysclk_mhz(pllbase, DDR_PLLDIV) / 2; -#endif + return 0; } +#endif /* !CONFIG_SOC_DA8XX */ + /* * Initializes on-chip ethernet controllers. * to override, implement board_eth_init() diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c index df7d6a24b..ff2e2e33d 100644 --- a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c +++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c @@ -190,13 +190,21 @@ int da850_ddr_setup(void) setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_LOCK); setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_POWERDWN); - - setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN); } - + setbits_le32(&davinci_syscfg1_regs->vtpio_ctl, VTP_IOPWRDWN); writel(CONFIG_SYS_DA850_DDR2_DDRPHYCR, &dv_ddr2_regs_ctrl->ddrphycr); - clrbits_le32(&davinci_syscfg1_regs->ddr_slew, - (1 << DDR_SLEW_CMOSEN_BIT)); + + if (CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT)) { + /* DDR2 */ + clrbits_le32(&davinci_syscfg1_regs->ddr_slew, + (1 << DDR_SLEW_DDR_PDENA_BIT) | + (1 << DDR_SLEW_CMOSEN_BIT)); + } else { + /* MOBILE DDR */ + setbits_le32(&davinci_syscfg1_regs->ddr_slew, + (1 << DDR_SLEW_DDR_PDENA_BIT) | + (1 << DDR_SLEW_CMOSEN_BIT)); + } /* * SDRAM Configuration Register (SDCR): @@ -216,7 +224,11 @@ int da850_ddr_setup(void) writel(tmp, &dv_ddr2_regs_ctrl->sdbcr); /* write memory configuration and timing */ - writel(CONFIG_SYS_DA850_DDR2_SDBCR2, &dv_ddr2_regs_ctrl->sdbcr2); + if (!(CONFIG_SYS_DA850_DDR2_SDBCR & (1 << DV_DDR_SDCR_DDR2EN_SHIFT))) { + /* MOBILE DDR only*/ + writel(CONFIG_SYS_DA850_DDR2_SDBCR2, + &dv_ddr2_regs_ctrl->sdbcr2); + } writel(CONFIG_SYS_DA850_DDR2_SDTIMR, &dv_ddr2_regs_ctrl->sdtimr); writel(CONFIG_SYS_DA850_DDR2_SDTIMR2, &dv_ddr2_regs_ctrl->sdtimr2); @@ -240,7 +252,7 @@ int da850_ddr_setup(void) /* disable self refresh */ clrbits_le32(&dv_ddr2_regs_ctrl->sdrcr, - DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_LPMODEN); + DV_DDR_SDRCR_LPMODEN | DV_DDR_SDRCR_MCLKSTOPEN); writel(CONFIG_SYS_DA850_DDR2_PBBPR, &dv_ddr2_regs_ctrl->pbbpr); return 0; diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c b/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c index fa07fb591..133265e5b 100644 --- a/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c +++ b/arch/arm/cpu/arm926ejs/davinci/da850_pinmux.c @@ -35,6 +35,11 @@ const struct pinmux_config spi1_pins_scs0[] = { }; /* UART pin muxer settings */ +const struct pinmux_config uart0_pins_txrx[] = { + { pinmux(3), 2, 4 }, /* UART0_RXD */ + { pinmux(3), 2, 5 }, /* UART0_TXD */ +}; + const struct pinmux_config uart1_pins_txrx[] = { { pinmux(4), 2, 6 }, /* UART1_RXD */ { pinmux(4), 2, 7 }, /* UART1_TXD */ @@ -169,3 +174,14 @@ const struct pinmux_config emifa_pins_nor[] = { { pinmux(12), 1, 6 }, /* EMA_A[1] */ { pinmux(12), 1, 7 }, /* EMA_A[0] */ }; + +/* MMC0 pin muxer settings */ +const struct pinmux_config mmc0_pins[] = { + { pinmux(10), 2, 0 }, /* MMCSD0_CLK */ + { pinmux(10), 2, 1 }, /* MMCSD0_CMD */ + { pinmux(10), 2, 2 }, /* MMCSD0_DAT_0 */ + { pinmux(10), 2, 3 }, /* MMCSD0_DAT_1 */ + { pinmux(10), 2, 4 }, /* MMCSD0_DAT_2 */ + { pinmux(10), 2, 5 }, /* MMCSD0_DAT_3 */ + /* DA850 supports only 4-bit mode, remaining pins are not configured */ +}; diff --git a/arch/arm/cpu/arm926ejs/davinci/psc.c b/arch/arm/cpu/arm926ejs/davinci/psc.c index 3e925181e..2ffb42abc 100644 --- a/arch/arm/cpu/arm926ejs/davinci/psc.c +++ b/arch/arm/cpu/arm926ejs/davinci/psc.c @@ -128,6 +128,11 @@ void lpsc_syncreset(unsigned int id) lpsc_transition(id, 0x01); } +void lpsc_disable(unsigned int id) +{ + lpsc_transition(id, 0x0); +} + /* Not all DaVinci chips have a DSP power domain. */ #ifdef CONFIG_SOC_DM644X diff --git a/arch/arm/cpu/arm926ejs/davinci/reset.S b/arch/arm/cpu/arm926ejs/davinci/reset.S deleted file mode 100644 index ba0a7c3b4..000000000 --- a/arch/arm/cpu/arm926ejs/davinci/reset.S +++ /dev/null @@ -1,81 +0,0 @@ -/* - * Processor reset using WDT for TI TMS320DM644x SoC. - * - * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> - * - * ----------------------------------------------------- - * - * 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 - */ - -.globl reset_cpu -reset_cpu: - ldr r0, WDT_TGCR - mov r1, $0x08 - str r1, [r0] - ldr r1, [r0] - orr r1, r1, $0x03 - str r1, [r0] - mov r1, $0 - ldr r0, WDT_TIM12 - str r1, [r0] - ldr r0, WDT_TIM34 - str r1, [r0] - ldr r0, WDT_PRD12 - str r1, [r0] - ldr r0, WDT_PRD34 - str r1, [r0] - ldr r0, WDT_TCR - ldr r1, [r0] - orr r1, r1, $0x40 - str r1, [r0] - ldr r0, WDT_WDTCR - ldr r1, [r0] - orr r1, r1, $0x4000 - str r1, [r0] - ldr r1, WDTCR_VAL1 - str r1, [r0] - ldr r1, WDTCR_VAL2 - str r1, [r0] - /* Write an invalid value to the WDKEY field to trigger - * an immediate watchdog reset */ - mov r1, $0x4000 - str r1, [r0] - nop - nop - nop - nop -reset_cpu_loop: - b reset_cpu_loop - -WDT_TGCR: - .word 0x01c21c24 -WDT_TIM12: - .word 0x01c21c10 -WDT_TIM34: - .word 0x01c21c14 -WDT_PRD12: - .word 0x01c21c18 -WDT_PRD34: - .word 0x01c21c1c -WDT_TCR: - .word 0x01c21c20 -WDT_WDTCR: - .word 0x01c21c28 -WDTCR_VAL1: - .word 0xa5c64000 -WDTCR_VAL2: - .word 0xda7e4000 diff --git a/arch/arm/cpu/arm926ejs/davinci/reset.c b/arch/arm/cpu/arm926ejs/davinci/reset.c new file mode 100644 index 000000000..968fb035c --- /dev/null +++ b/arch/arm/cpu/arm926ejs/davinci/reset.c @@ -0,0 +1,33 @@ +/* + * Processor reset using WDT. + * + * Copyright (C) 2012 Dmitry Bondar <bond@inmys.ru> + * Copyright (C) 2007 Sergey Kubushyn <ksi@koi8.net> + * + * This file is released under the terms of GPL v2 and any later version. + * See the file COPYING in the root directory of the source tree for details. +*/ + +#include <common.h> +#include <asm/io.h> +#include <asm/arch/timer_defs.h> +#include <asm/arch/hardware.h> + +void reset_cpu(unsigned long a) +{ + struct davinci_timer *const wdttimer = + (struct davinci_timer *)DAVINCI_TIMER1_BASE; + writel(0x08, &wdttimer->tgcr); + writel(readl(&wdttimer->tgcr) | 0x03, &wdttimer->tgcr); + writel(0, &wdttimer->tim12); + writel(0, &wdttimer->tim34); + writel(0, &wdttimer->prd12); + writel(0, &wdttimer->prd34); + writel(readl(&wdttimer->tcr) | 0x40, &wdttimer->tcr); + writel(readl(&wdttimer->wdtcr) | 0x4000, &wdttimer->wdtcr); + writel(0xa5c64000, &wdttimer->wdtcr); + writel(0xda7e4000, &wdttimer->wdtcr); + writel(0x4000, &wdttimer->wdtcr); + while (1) + /*nothing*/; +} diff --git a/arch/arm/cpu/arm926ejs/davinci/spl.c b/arch/arm/cpu/arm926ejs/davinci/spl.c index 74632e516..03c85c87f 100644 --- a/arch/arm/cpu/arm926ejs/davinci/spl.c +++ b/arch/arm/cpu/arm926ejs/davinci/spl.c @@ -28,6 +28,7 @@ #include <ns16550.h> #include <malloc.h> #include <spi_flash.h> +#include <mmc.h> #ifdef CONFIG_SPL_LIBCOMMON_SUPPORT @@ -74,12 +75,7 @@ void board_init_f(ulong dummy) void board_init_r(gd_t *id, ulong dummy) { -#ifdef CONFIG_SPL_NAND_LOAD - nand_init(); - puts("Nand boot...\n"); - nand_boot(); -#endif -#ifdef CONFIG_SPL_SPI_LOAD +#ifdef CONFIG_SPL_LIBCOMMON_SUPPORT mem_malloc_init(CONFIG_SYS_TEXT_BASE - CONFIG_SYS_MALLOC_LEN, CONFIG_SYS_MALLOC_LEN); @@ -90,7 +86,19 @@ void board_init_r(gd_t *id, ulong dummy) serial_init(); /* serial communications setup */ gd->have_console = 1; +#endif + +#ifdef CONFIG_SPL_NAND_LOAD + nand_init(); + puts("Nand boot...\n"); + nand_boot(); +#endif +#ifdef CONFIG_SPL_SPI_LOAD puts("SPI boot...\n"); spi_boot(); #endif +#ifdef CONFIG_SPL_MMC_LOAD + puts("MMC boot...\n"); + spl_mmc_load(); +#endif } diff --git a/arch/arm/cpu/arm926ejs/mx25/generic.c b/arch/arm/cpu/arm926ejs/mx25/generic.c index 8b07dae2b..90e584ac5 100644 --- a/arch/arm/cpu/arm926ejs/mx25/generic.c +++ b/arch/arm/cpu/arm926ejs/mx25/generic.c @@ -64,7 +64,7 @@ static unsigned int imx_decode_pll(unsigned int pll, unsigned int f_ref) static ulong imx_get_mpllclk(void) { struct ccm_regs *ccm = (struct ccm_regs *)IMX_CCM_BASE; - ulong fref = 24000000; + ulong fref = MXC_HCLK; return imx_decode_pll(readl(&ccm->mpctl), fref); } @@ -186,6 +186,14 @@ int print_cpuinfo(void) } #endif +void enable_caches(void) +{ +#ifndef CONFIG_SYS_DCACHE_OFF + /* Enable D-cache. I-cache is already enabled in start.S */ + dcache_enable(); +#endif +} + int cpu_eth_init(bd_t *bis) { #if defined(CONFIG_FEC_MXC) diff --git a/arch/arm/cpu/arm926ejs/mx25/timer.c b/arch/arm/cpu/arm926ejs/mx25/timer.c index 1cfd02b23..4dc4041c0 100644 --- a/arch/arm/cpu/arm926ejs/mx25/timer.c +++ b/arch/arm/cpu/arm926ejs/mx25/timer.c @@ -40,6 +40,7 @@ #include <div64.h> #include <asm/io.h> #include <asm/arch/imx-regs.h> +#include <asm/arch/clock.h> DECLARE_GLOBAL_DATA_PTR; @@ -55,28 +56,27 @@ DECLARE_GLOBAL_DATA_PTR; static inline unsigned long long tick_to_time(unsigned long long tick) { tick *= CONFIG_SYS_HZ; - do_div(tick, CONFIG_MX25_CLK32); + do_div(tick, MXC_CLK32); return tick; } static inline unsigned long long time_to_tick(unsigned long long time) { - time *= CONFIG_MX25_CLK32; + time *= MXC_CLK32; do_div(time, CONFIG_SYS_HZ); return time; } static inline unsigned long long us_to_tick(unsigned long long us) { - us = us * CONFIG_MX25_CLK32 + 999999; + us = us * MXC_CLK32 + 999999; do_div(us, 1000000); return us; } #else /* ~2% error */ -#define TICK_PER_TIME ((CONFIG_MX25_CLK32 + CONFIG_SYS_HZ / 2) / \ - CONFIG_SYS_HZ) -#define US_PER_TICK (1000000 / CONFIG_MX25_CLK32) +#define TICK_PER_TIME ((MXC_CLK32 + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ) +#define US_PER_TICK (1000000 / MXC_CLK32) static inline unsigned long long tick_to_time(unsigned long long tick) { @@ -144,7 +144,7 @@ ulong get_timer_masked(void) { /* * get_ticks() returns a long long (64 bit), it wraps in - * 2^64 / CONFIG_MX25_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~ + * 2^64 / MXC_CLK32 = 2^64 / 2^15 = 2^49 ~ 5 * 10^14 (s) ~ * 5 * 10^9 days... and get_ticks() * CONFIG_SYS_HZ wraps in * 5 * 10^6 days - long enough. */ @@ -177,6 +177,6 @@ ulong get_tbclk(void) { ulong tbclk; - tbclk = CONFIG_MX25_CLK32; + tbclk = MXC_CLK32; return tbclk; } diff --git a/arch/arm/cpu/arm926ejs/mx27/generic.c b/arch/arm/cpu/arm926ejs/mx27/generic.c index 65c481378..41bb84bb6 100644 --- a/arch/arm/cpu/arm926ejs/mx27/generic.c +++ b/arch/arm/cpu/arm926ejs/mx27/generic.c @@ -24,6 +24,7 @@ #include <asm/io.h> #include <asm/arch/imx-regs.h> #include <asm/arch/clock.h> +#include <asm/arch/gpio.h> #ifdef CONFIG_MXC_MMC #include <asm/arch/mxcmmc.h> #endif @@ -209,7 +210,7 @@ int cpu_mmc_init(bd_t *bis) void imx_gpio_mode(int gpio_mode) { - struct gpio_regs *regs = (struct gpio_regs *)IMX_GPIO_BASE; + struct gpio_port_regs *regs = (struct gpio_port_regs *)IMX_GPIO_BASE; unsigned int pin = gpio_mode & GPIO_PIN_MASK; unsigned int port = (gpio_mode & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT; unsigned int ocr = (gpio_mode & GPIO_OCR_MASK) >> GPIO_OCR_SHIFT; @@ -228,11 +229,11 @@ void imx_gpio_mode(int gpio_mode) /* Data direction */ if (gpio_mode & GPIO_OUT) { - writel(readl(®s->port[port].ddir) | 1 << pin, - ®s->port[port].ddir); + writel(readl(®s->port[port].gpio_dir) | 1 << pin, + ®s->port[port].gpio_dir); } else { - writel(readl(®s->port[port].ddir) & ~(1 << pin), - ®s->port[port].ddir); + writel(readl(®s->port[port].gpio_dir) & ~(1 << pin), + ®s->port[port].gpio_dir); } /* Primary / alternate function */ diff --git a/arch/arm/cpu/arm926ejs/mx28/Makefile b/arch/arm/cpu/arm926ejs/mxs/Makefile index 674a3af1b..eeecf89f8 100644 --- a/arch/arm/cpu/arm926ejs/mx28/Makefile +++ b/arch/arm/cpu/arm926ejs/mxs/Makefile @@ -25,7 +25,7 @@ include $(TOPDIR)/config.mk LIB = $(obj)lib$(SOC).o -COBJS = clock.o mx28.o iomux.o timer.o +COBJS = clock.o mxs.o iomux.o timer.o ifdef CONFIG_SPL_BUILD COBJS += spl_boot.o spl_lradc_init.o spl_mem_init.o spl_power_init.o diff --git a/arch/arm/cpu/arm926ejs/mx28/clock.c b/arch/arm/cpu/arm926ejs/mxs/clock.c index 0439f9c0e..bfea6abeb 100644 --- a/arch/arm/cpu/arm926ejs/mx28/clock.c +++ b/arch/arm/cpu/arm926ejs/mxs/clock.c @@ -43,8 +43,8 @@ static uint32_t mx28_get_pclk(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t clkctrl, clkseq, div; uint8_t clkfrac, frac; @@ -75,8 +75,8 @@ static uint32_t mx28_get_pclk(void) static uint32_t mx28_get_hclk(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t div; uint32_t clkctrl; @@ -93,8 +93,8 @@ static uint32_t mx28_get_hclk(void) static uint32_t mx28_get_emiclk(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t clkctrl, clkseq, div; uint8_t clkfrac, frac; @@ -118,8 +118,8 @@ static uint32_t mx28_get_emiclk(void) static uint32_t mx28_get_gpmiclk(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t clkctrl, clkseq, div; uint8_t clkfrac, frac; @@ -145,8 +145,8 @@ static uint32_t mx28_get_gpmiclk(void) */ void mx28_set_ioclk(enum mxs_ioclock io, uint32_t freq) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t div; int io_reg; @@ -178,8 +178,8 @@ void mx28_set_ioclk(enum mxs_ioclock io, uint32_t freq) */ static uint32_t mx28_get_ioclk(enum mxs_ioclock io) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint8_t ret; int io_reg; @@ -199,15 +199,15 @@ static uint32_t mx28_get_ioclk(enum mxs_ioclock io) */ void mx28_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t clk, clkreg; if (ssp > MXC_SSPCLK3) return; clkreg = (uint32_t)(&clkctrl_regs->hw_clkctrl_ssp0) + - (ssp * sizeof(struct mx28_register_32)); + (ssp * sizeof(struct mxs_register_32)); clrbits_le32(clkreg, CLKCTRL_SSP_CLKGATE); while (readl(clkreg) & CLKCTRL_SSP_CLKGATE) @@ -243,8 +243,8 @@ void mx28_set_sspclk(enum mxs_sspclock ssp, uint32_t freq, int xtal) */ static uint32_t mx28_get_sspclk(enum mxs_sspclock ssp) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; uint32_t clkreg; uint32_t clk, tmp; @@ -256,7 +256,7 @@ static uint32_t mx28_get_sspclk(enum mxs_sspclock ssp) return XTAL_FREQ_KHZ; clkreg = (uint32_t)(&clkctrl_regs->hw_clkctrl_ssp0) + - (ssp * sizeof(struct mx28_register_32)); + (ssp * sizeof(struct mxs_register_32)); tmp = readl(clkreg) & CLKCTRL_SSP_DIV_MASK; @@ -273,12 +273,12 @@ static uint32_t mx28_get_sspclk(enum mxs_sspclock ssp) */ void mx28_set_ssp_busclock(unsigned int bus, uint32_t freq) { - struct mx28_ssp_regs *ssp_regs; + struct mxs_ssp_regs *ssp_regs; const uint32_t sspclk = mx28_get_sspclk(bus); uint32_t reg; uint32_t divide, rate, tgtclk; - ssp_regs = (struct mx28_ssp_regs *)(MXS_SSP0_BASE + (bus * 0x2000)); + ssp_regs = (struct mxs_ssp_regs *)(MXS_SSP0_BASE + (bus * 0x2000)); /* * SSP bit rate = SSPCLK / (CLOCK_DIVIDE * (1 + CLOCK_RATE)), diff --git a/arch/arm/cpu/arm926ejs/mx28/iomux.c b/arch/arm/cpu/arm926ejs/mxs/iomux.c index 12916b6d6..73f144690 100644 --- a/arch/arm/cpu/arm926ejs/mx28/iomux.c +++ b/arch/arm/cpu/arm926ejs/mxs/iomux.c @@ -43,7 +43,7 @@ int mxs_iomux_setup_pad(iomux_cfg_t pad) { u32 reg, ofs, bp, bm; void *iomux_base = (void *)MXS_PINCTRL_BASE; - struct mx28_register_32 *mxs_reg; + struct mxs_register_32 *mxs_reg; /* muxsel */ ofs = 0x100; @@ -70,7 +70,7 @@ int mxs_iomux_setup_pad(iomux_cfg_t pad) /* vol */ if (PAD_VOL_VALID(pad)) { bp = PAD_PIN(pad) % 8 * 4 + 2; - mxs_reg = (struct mx28_register_32 *)(iomux_base + ofs); + mxs_reg = (struct mxs_register_32 *)(iomux_base + ofs); if (PAD_VOL(pad)) writel(1 << bp, &mxs_reg->reg_set); else @@ -82,7 +82,7 @@ int mxs_iomux_setup_pad(iomux_cfg_t pad) ofs = PULL_OFFSET; ofs += PAD_BANK(pad) * 0x10; bp = PAD_PIN(pad); - mxs_reg = (struct mx28_register_32 *)(iomux_base + ofs); + mxs_reg = (struct mxs_register_32 *)(iomux_base + ofs); if (PAD_PULL(pad)) writel(1 << bp, &mxs_reg->reg_set); else diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28.c b/arch/arm/cpu/arm926ejs/mxs/mxs.c index ff2577209..6ce8019b8 100644 --- a/arch/arm/cpu/arm926ejs/mx28/mx28.c +++ b/arch/arm/cpu/arm926ejs/mxs/mxs.c @@ -41,8 +41,8 @@ DECLARE_GLOBAL_DATA_PTR; /* 1 second delay should be plenty of time for block reset. */ #define RESET_MAX_TIMEOUT 1000000 -#define MX28_BLOCK_SFTRST (1 << 31) -#define MX28_BLOCK_CLKGATE (1 << 30) +#define MXS_BLOCK_SFTRST (1 << 31) +#define MXS_BLOCK_CLKGATE (1 << 30) /* Lowlevel init isn't used on i.MX28, so just have a dummy here */ inline void lowlevel_init(void) {} @@ -51,10 +51,10 @@ void reset_cpu(ulong ignored) __attribute__((noreturn)); void reset_cpu(ulong ignored) { - struct mx28_rtc_regs *rtc_regs = - (struct mx28_rtc_regs *)MXS_RTC_BASE; - struct mx28_lcdif_regs *lcdif_regs = - (struct mx28_lcdif_regs *)MXS_LCDIF_BASE; + struct mxs_rtc_regs *rtc_regs = + (struct mxs_rtc_regs *)MXS_RTC_BASE; + struct mxs_lcdif_regs *lcdif_regs = + (struct mxs_lcdif_regs *)MXS_LCDIF_BASE; /* * Shut down the LCD controller as it interferes with BootROM boot mode @@ -81,7 +81,8 @@ void enable_caches(void) #endif } -int mx28_wait_mask_set(struct mx28_register_32 *reg, uint32_t mask, int timeout) +int mxs_wait_mask_set(struct mxs_register_32 *reg, uint32_t mask, unsigned + int timeout) { while (--timeout) { if ((readl(®->reg) & mask) == mask) @@ -92,7 +93,8 @@ int mx28_wait_mask_set(struct mx28_register_32 *reg, uint32_t mask, int timeout) return !timeout; } -int mx28_wait_mask_clr(struct mx28_register_32 *reg, uint32_t mask, int timeout) +int mxs_wait_mask_clr(struct mxs_register_32 *reg, uint32_t mask, unsigned + int timeout) { while (--timeout) { if ((readl(®->reg) & mask) == 0) @@ -103,34 +105,34 @@ int mx28_wait_mask_clr(struct mx28_register_32 *reg, uint32_t mask, int timeout) return !timeout; } -int mx28_reset_block(struct mx28_register_32 *reg) +int mxs_reset_block(struct mxs_register_32 *reg) { /* Clear SFTRST */ - writel(MX28_BLOCK_SFTRST, ®->reg_clr); + writel(MXS_BLOCK_SFTRST, ®->reg_clr); - if (mx28_wait_mask_clr(reg, MX28_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) + if (mxs_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) return 1; /* Clear CLKGATE */ - writel(MX28_BLOCK_CLKGATE, ®->reg_clr); + writel(MXS_BLOCK_CLKGATE, ®->reg_clr); /* Set SFTRST */ - writel(MX28_BLOCK_SFTRST, ®->reg_set); + writel(MXS_BLOCK_SFTRST, ®->reg_set); /* Wait for CLKGATE being set */ - if (mx28_wait_mask_set(reg, MX28_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) + if (mxs_wait_mask_set(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) return 1; /* Clear SFTRST */ - writel(MX28_BLOCK_SFTRST, ®->reg_clr); + writel(MXS_BLOCK_SFTRST, ®->reg_clr); - if (mx28_wait_mask_clr(reg, MX28_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) + if (mxs_wait_mask_clr(reg, MXS_BLOCK_SFTRST, RESET_MAX_TIMEOUT)) return 1; /* Clear CLKGATE */ - writel(MX28_BLOCK_CLKGATE, ®->reg_clr); + writel(MXS_BLOCK_CLKGATE, ®->reg_clr); - if (mx28_wait_mask_clr(reg, MX28_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) + if (mxs_wait_mask_clr(reg, MXS_BLOCK_CLKGATE, RESET_MAX_TIMEOUT)) return 1; return 0; @@ -155,8 +157,8 @@ int arch_misc_init(void) int arch_cpu_init(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; extern uint32_t _start; mx28_fixup_vt((uint32_t)&_start); @@ -188,14 +190,48 @@ int arch_cpu_init(void) } #if defined(CONFIG_DISPLAY_CPUINFO) +static const char *get_cpu_type(void) +{ + struct mxs_digctl_regs *digctl_regs = + (struct mxs_digctl_regs *)MXS_DIGCTL_BASE; + + switch (readl(&digctl_regs->hw_digctl_chipid) & HW_DIGCTL_CHIPID_MASK) { + case HW_DIGCTL_CHIPID_MX28: + return "28"; + default: + return "??"; + } +} + +static const char *get_cpu_rev(void) +{ + struct mxs_digctl_regs *digctl_regs = + (struct mxs_digctl_regs *)MXS_DIGCTL_BASE; + uint8_t rev = readl(&digctl_regs->hw_digctl_chipid) & 0x000000FF; + + switch (readl(&digctl_regs->hw_digctl_chipid) & HW_DIGCTL_CHIPID_MASK) { + case HW_DIGCTL_CHIPID_MX28: + switch (rev) { + case 0x1: + return "1.2"; + default: + return "??"; + } + default: + return "??"; + } +} + int print_cpuinfo(void) { - struct mx28_spl_data *data = (struct mx28_spl_data *) - ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf); + struct mxs_spl_data *data = (struct mxs_spl_data *) + ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf); - printf("Freescale i.MX28 family at %d MHz\n", - mxc_get_clock(MXC_ARM_CLK) / 1000000); - printf("BOOT: %s\n", mx28_boot_modes[data->boot_mode_idx].mode); + printf("CPU: Freescale i.MX%s rev%s at %d MHz\n", + get_cpu_type(), + get_cpu_rev(), + mxc_get_clock(MXC_ARM_CLK) / 1000000); + printf("BOOT: %s\n", mxs_boot_modes[data->boot_mode_idx].mode); return 0; } #endif @@ -212,11 +248,11 @@ int do_mx28_showclocks(cmd_tbl_t *cmdtp, int flag, int argc, char *const argv[]) /* * Initializes on-chip ethernet controllers. */ -#ifdef CONFIG_CMD_NET +#if defined(CONFIG_MX28) && defined(CONFIG_CMD_NET) int cpu_eth_init(bd_t *bis) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; /* Turn on ENET clocks */ clrbits_le32(&clkctrl_regs->hw_clkctrl_enet, @@ -257,15 +293,15 @@ void mx28_adjust_mac(int dev_id, unsigned char *mac) #define MXS_OCOTP_MAX_TIMEOUT 1000000 void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) { - struct mx28_ocotp_regs *ocotp_regs = - (struct mx28_ocotp_regs *)MXS_OCOTP_BASE; + struct mxs_ocotp_regs *ocotp_regs = + (struct mxs_ocotp_regs *)MXS_OCOTP_BASE; uint32_t data; memset(mac, 0, 6); writel(OCOTP_CTRL_RD_BANK_OPEN, &ocotp_regs->hw_ocotp_ctrl_set); - if (mx28_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY, + if (mxs_wait_mask_clr(&ocotp_regs->hw_ocotp_ctrl_reg, OCOTP_CTRL_BUSY, MXS_OCOTP_MAX_TIMEOUT)) { printf("MXS FEC: Can't get MAC from OCOTP\n"); return; @@ -286,13 +322,13 @@ void imx_get_mac_from_fuse(int dev_id, unsigned char *mac) } #endif -int mx28_dram_init(void) +int mxs_dram_init(void) { - struct mx28_spl_data *data = (struct mx28_spl_data *) - ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf); + struct mxs_spl_data *data = (struct mxs_spl_data *) + ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf); if (data->mem_dram_size == 0) { - printf("MX28:\n" + printf("MXS:\n" "Error, the RAM size passed up from SPL is 0!\n"); hang(); } diff --git a/arch/arm/cpu/arm926ejs/mx28/mx28_init.h b/arch/arm/cpu/arm926ejs/mxs/mxs_init.h index e3a4493fb..2ddc5bc0c 100644 --- a/arch/arm/cpu/arm926ejs/mx28/mx28_init.h +++ b/arch/arm/cpu/arm926ejs/mxs/mxs_init.h @@ -28,18 +28,18 @@ void early_delay(int delay); -void mx28_power_init(void); +void mxs_power_init(void); #ifdef CONFIG_SPL_MX28_PSWITCH_WAIT -void mx28_power_wait_pswitch(void); +void mxs_power_wait_pswitch(void); #else -static inline void mx28_power_wait_pswitch(void) { } +static inline void mxs_power_wait_pswitch(void) { } #endif -void mx28_mem_init(void); -uint32_t mx28_mem_get_size(void); +void mxs_mem_init(void); +uint32_t mxs_mem_get_size(void); -void mx28_lradc_init(void); -void mx28_lradc_enable_batt_measurement(void); +void mxs_lradc_init(void); +void mxs_lradc_enable_batt_measurement(void); #endif /* __M28_INIT_H__ */ diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_boot.c b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c index a6dfca3f5..ad66c57c5 100644 --- a/arch/arm/cpu/arm926ejs/mx28/spl_boot.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_boot.c @@ -26,12 +26,11 @@ #include <common.h> #include <config.h> #include <asm/io.h> -#include <asm/arch/iomux-mx28.h> #include <asm/arch/imx-regs.h> #include <asm/arch/sys_proto.h> #include <asm/gpio.h> -#include "mx28_init.h" +#include "mxs_init.h" /* * This delay function is intended to be used only in early stage of boot, where @@ -39,12 +38,14 @@ * takes a few seconds to roll. The boot doesn't take that long, so to keep the * code simple, it doesn't take rolling into consideration. */ -#define HW_DIGCTRL_MICROSECONDS 0x8001c0c0 void early_delay(int delay) { - uint32_t st = readl(HW_DIGCTRL_MICROSECONDS); + struct mxs_digctl_regs *digctl_regs = + (struct mxs_digctl_regs *)MXS_DIGCTL_BASE; + + uint32_t st = readl(&digctl_regs->hw_digctl_microseconds); st += delay; - while (st > readl(HW_DIGCTRL_MICROSECONDS)) + while (st > readl(&digctl_regs->hw_digctl_microseconds)) ; } @@ -58,7 +59,7 @@ const iomux_cfg_t iomux_boot[] = { MX28_PAD_LCD_D05__GPIO_1_5 | MUX_CONFIG_BOOTMODE_PAD, }; -uint8_t mx28_get_bootmode_index(void) +uint8_t mxs_get_bootmode_index(void) { uint8_t bootmode = 0; int i; @@ -83,31 +84,31 @@ uint8_t mx28_get_bootmode_index(void) bootmode |= (gpio_get_value(MX28_PAD_LCD_D04__GPIO_1_4) ? 1 : 0) << 4; bootmode |= (gpio_get_value(MX28_PAD_LCD_D05__GPIO_1_5) ? 1 : 0) << 5; - for (i = 0; i < ARRAY_SIZE(mx28_boot_modes); i++) { - masked = bootmode & mx28_boot_modes[i].boot_mask; - if (masked == mx28_boot_modes[i].boot_pads) + for (i = 0; i < ARRAY_SIZE(mxs_boot_modes); i++) { + masked = bootmode & mxs_boot_modes[i].boot_mask; + if (masked == mxs_boot_modes[i].boot_pads) break; } return i; } -void mx28_common_spl_init(const iomux_cfg_t *iomux_setup, +void mxs_common_spl_init(const iomux_cfg_t *iomux_setup, const unsigned int iomux_size) { - struct mx28_spl_data *data = (struct mx28_spl_data *) - ((CONFIG_SYS_TEXT_BASE - sizeof(struct mx28_spl_data)) & ~0xf); - uint8_t bootmode = mx28_get_bootmode_index(); + struct mxs_spl_data *data = (struct mxs_spl_data *) + ((CONFIG_SYS_TEXT_BASE - sizeof(struct mxs_spl_data)) & ~0xf); + uint8_t bootmode = mxs_get_bootmode_index(); mxs_iomux_setup_multiple_pads(iomux_setup, iomux_size); - mx28_power_init(); + mxs_power_init(); - mx28_mem_init(); - data->mem_dram_size = mx28_mem_get_size(); + mxs_mem_init(); + data->mem_dram_size = mxs_mem_get_size(); data->boot_mode_idx = bootmode; - mx28_power_wait_pswitch(); + mxs_power_wait_pswitch(); } /* Support aparatus */ diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_lradc_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_lradc_init.c index 88a603c11..d90f0a131 100644 --- a/arch/arm/cpu/arm926ejs/mx28/spl_lradc_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_lradc_init.c @@ -28,11 +28,11 @@ #include <asm/io.h> #include <asm/arch/imx-regs.h> -#include "mx28_init.h" +#include "mxs_init.h" -void mx28_lradc_init(void) +void mxs_lradc_init(void) { - struct mx28_lradc_regs *regs = (struct mx28_lradc_regs *)MXS_LRADC_BASE; + struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE; writel(LRADC_CTRL0_SFTRST, ®s->hw_lradc_ctrl0_clr); writel(LRADC_CTRL0_CLKGATE, ®s->hw_lradc_ctrl0_clr); @@ -49,9 +49,9 @@ void mx28_lradc_init(void) LRADC_CTRL4_LRADC6SELECT_CHANNEL10); } -void mx28_lradc_enable_batt_measurement(void) +void mxs_lradc_enable_batt_measurement(void) { - struct mx28_lradc_regs *regs = (struct mx28_lradc_regs *)MXS_LRADC_BASE; + struct mxs_lradc_regs *regs = (struct mxs_lradc_regs *)MXS_LRADC_BASE; /* Check if the channel is present at all. */ if (!(readl(®s->hw_lradc_status) & LRADC_STATUS_CHANNEL7_PRESENT)) diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c index e17a4d7c7..e693145b9 100644 --- a/arch/arm/cpu/arm926ejs/mx28/spl_mem_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_mem_init.c @@ -26,12 +26,11 @@ #include <common.h> #include <config.h> #include <asm/io.h> -#include <asm/arch/iomux-mx28.h> #include <asm/arch/imx-regs.h> -#include "mx28_init.h" +#include "mxs_init.h" -uint32_t dram_vals[] = { +static uint32_t mx28_dram_vals[] = { 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, 0x00000000, @@ -82,26 +81,26 @@ uint32_t dram_vals[] = { 0x00000000, 0x00010001 }; -void __mx28_adjust_memory_params(uint32_t *dram_vals) +void __mxs_adjust_memory_params(uint32_t *dram_vals) { } -void mx28_adjust_memory_params(uint32_t *dram_vals) - __attribute__((weak, alias("__mx28_adjust_memory_params"))); +void mxs_adjust_memory_params(uint32_t *dram_vals) + __attribute__((weak, alias("__mxs_adjust_memory_params"))); -void init_m28_200mhz_ddr2(void) +void init_mx28_200mhz_ddr2(void) { int i; - mx28_adjust_memory_params(dram_vals); + mxs_adjust_memory_params(mx28_dram_vals); - for (i = 0; i < ARRAY_SIZE(dram_vals); i++) - writel(dram_vals[i], MXS_DRAM_BASE + (4 * i)); + for (i = 0; i < ARRAY_SIZE(mx28_dram_vals); i++) + writel(mx28_dram_vals[i], MXS_DRAM_BASE + (4 * i)); } -void mx28_mem_init_clock(void) +void mxs_mem_init_clock(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; /* Gate EMI clock */ writeb(CLKCTRL_FRAC_CLKGATE, @@ -129,10 +128,10 @@ void mx28_mem_init_clock(void) early_delay(10000); } -void mx28_mem_setup_cpu_and_hbus(void) +void mxs_mem_setup_cpu_and_hbus(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; /* Set fractional divider for ref_cpu to 480 * 18 / 19 = 454MHz * and ungate CPU clock */ @@ -161,10 +160,10 @@ void mx28_mem_setup_cpu_and_hbus(void) early_delay(15000); } -void mx28_mem_setup_vdda(void) +void mxs_mem_setup_vdda(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; writel((0xc << POWER_VDDACTRL_TRG_OFFSET) | (0x7 << POWER_VDDACTRL_BO_OFFSET_OFFSET) | @@ -172,10 +171,10 @@ void mx28_mem_setup_vdda(void) &power_regs->hw_power_vddactrl); } -void mx28_mem_setup_vddd(void) +void mxs_mem_setup_vddd(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; writel((0x1c << POWER_VDDDCTRL_TRG_OFFSET) | (0x7 << POWER_VDDDCTRL_BO_OFFSET_OFFSET) | @@ -183,7 +182,7 @@ void mx28_mem_setup_vddd(void) &power_regs->hw_power_vdddctrl); } -uint32_t mx28_mem_get_size(void) +uint32_t mxs_mem_get_size(void) { uint32_t sz, da; uint32_t *vt = (uint32_t *)0x20; @@ -202,12 +201,12 @@ uint32_t mx28_mem_get_size(void) return sz; } -void mx28_mem_init(void) +void mxs_mem_init(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; - struct mx28_pinctrl_regs *pinctrl_regs = - (struct mx28_pinctrl_regs *)MXS_PINCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_pinctrl_regs *pinctrl_regs = + (struct mxs_pinctrl_regs *)MXS_PINCTRL_BASE; /* Set DDR2 mode */ writel(PINCTRL_EMI_DS_CTRL_DDR_MODE_DDR2, @@ -219,9 +218,9 @@ void mx28_mem_init(void) early_delay(11000); - mx28_mem_init_clock(); + mxs_mem_init_clock(); - mx28_mem_setup_vdda(); + mxs_mem_setup_vdda(); /* * Configure the DRAM registers @@ -230,7 +229,7 @@ void mx28_mem_init(void) /* Clear START bit from DRAM_CTL16 */ clrbits_le32(MXS_DRAM_BASE + 0x40, 1); - init_m28_200mhz_ddr2(); + init_mx28_200mhz_ddr2(); /* Clear SREFRESH bit from DRAM_CTL17 */ clrbits_le32(MXS_DRAM_BASE + 0x44, 1); @@ -242,9 +241,9 @@ void mx28_mem_init(void) while (!(readl(MXS_DRAM_BASE + 0xe8) & (1 << 20))) ; - mx28_mem_setup_vddd(); + mxs_mem_setup_vddd(); early_delay(10000); - mx28_mem_setup_cpu_and_hbus(); + mxs_mem_setup_cpu_and_hbus(); } diff --git a/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c index 4b09b0c3b..4b917bd18 100644 --- a/arch/arm/cpu/arm926ejs/mx28/spl_power_init.c +++ b/arch/arm/cpu/arm926ejs/mxs/spl_power_init.c @@ -28,22 +28,22 @@ #include <asm/io.h> #include <asm/arch/imx-regs.h> -#include "mx28_init.h" +#include "mxs_init.h" -void mx28_power_clock2xtal(void) +void mxs_power_clock2xtal(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; /* Set XTAL as CPU reference clock */ writel(CLKCTRL_CLKSEQ_BYPASS_CPU, &clkctrl_regs->hw_clkctrl_clkseq_set); } -void mx28_power_clock2pll(void) +void mxs_power_clock2pll(void) { - struct mx28_clkctrl_regs *clkctrl_regs = - (struct mx28_clkctrl_regs *)MXS_CLKCTRL_BASE; + struct mxs_clkctrl_regs *clkctrl_regs = + (struct mxs_clkctrl_regs *)MXS_CLKCTRL_BASE; setbits_le32(&clkctrl_regs->hw_clkctrl_pll0ctrl0, CLKCTRL_PLL0CTRL0_POWER); @@ -52,10 +52,10 @@ void mx28_power_clock2pll(void) CLKCTRL_CLKSEQ_BYPASS_CPU); } -void mx28_power_clear_auto_restart(void) +void mxs_power_clear_auto_restart(void) { - struct mx28_rtc_regs *rtc_regs = - (struct mx28_rtc_regs *)MXS_RTC_BASE; + struct mxs_rtc_regs *rtc_regs = + (struct mxs_rtc_regs *)MXS_RTC_BASE; writel(RTC_CTRL_SFTRST, &rtc_regs->hw_rtc_ctrl_clr); while (readl(&rtc_regs->hw_rtc_ctrl) & RTC_CTRL_SFTRST) @@ -85,10 +85,10 @@ void mx28_power_clear_auto_restart(void) ; } -void mx28_power_set_linreg(void) +void mxs_power_set_linreg(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* Set linear regulator 25mV below switching converter */ clrsetbits_le32(&power_regs->hw_power_vdddctrl, @@ -104,10 +104,10 @@ void mx28_power_set_linreg(void) POWER_VDDIOCTRL_LINREG_OFFSET_1STEPS_BELOW); } -int mx28_get_batt_volt(void) +int mxs_get_batt_volt(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t volt = readl(&power_regs->hw_power_battmonitor); volt &= POWER_BATTMONITOR_BATT_VAL_MASK; volt >>= POWER_BATTMONITOR_BATT_VAL_OFFSET; @@ -115,16 +115,16 @@ int mx28_get_batt_volt(void) return volt; } -int mx28_is_batt_ready(void) +int mxs_is_batt_ready(void) { - return (mx28_get_batt_volt() >= 3600); + return (mxs_get_batt_volt() >= 3600); } -int mx28_is_batt_good(void) +int mxs_is_batt_good(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - uint32_t volt = mx28_get_batt_volt(); + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; + uint32_t volt = mxs_get_batt_volt(); if ((volt >= 2400) && (volt <= 4300)) return 1; @@ -145,7 +145,7 @@ int mx28_is_batt_good(void) early_delay(500000); - volt = mx28_get_batt_volt(); + volt = mxs_get_batt_volt(); if (volt >= 3500) return 0; @@ -160,10 +160,10 @@ int mx28_is_batt_good(void) return 0; } -void mx28_power_setup_5v_detect(void) +void mxs_power_setup_5v_detect(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* Start 5V detection */ clrsetbits_le32(&power_regs->hw_power_5vctrl, @@ -172,10 +172,10 @@ void mx28_power_setup_5v_detect(void) POWER_5VCTRL_PWRUP_VBUS_CMPS); } -void mx28_src_power_init(void) +void mxs_src_power_init(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* Improve efficieny and reduce transient ripple */ writel(POWER_LOOPCTRL_TOGGLE_DIF | POWER_LOOPCTRL_EN_CM_HYST | @@ -203,10 +203,10 @@ void mx28_src_power_init(void) clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_DCDC_XFER); } -void mx28_power_init_4p2_params(void) +void mxs_power_init_4p2_params(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* Setup 4P2 parameters */ clrsetbits_le32(&power_regs->hw_power_dcdc4p2, @@ -227,10 +227,10 @@ void mx28_power_init_4p2_params(void) 0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); } -void mx28_enable_4p2_dcdc_input(int xfer) +void mxs_enable_4p2_dcdc_input(int xfer) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t tmp, vbus_thresh, vbus_5vdetect, pwd_bo; uint32_t prev_5v_brnout, prev_5v_droop; @@ -323,10 +323,10 @@ void mx28_enable_4p2_dcdc_input(int xfer) POWER_CTRL_ENIRQ_VDD5V_DROOP); } -void mx28_power_init_4p2_regulator(void) +void mxs_power_init_4p2_regulator(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t tmp, tmp2; setbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_ENABLE_4P2); @@ -346,7 +346,7 @@ void mx28_power_init_4p2_regulator(void) * gradually to avoid large inrush current from the 5V cable which can * cause transients/problems */ - mx28_enable_4p2_dcdc_input(0); + mxs_enable_4p2_dcdc_input(0); if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) { /* @@ -407,17 +407,17 @@ void mx28_power_init_4p2_regulator(void) writel(POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr); } -void mx28_power_init_dcdc_4p2_source(void) +void mxs_power_init_dcdc_4p2_source(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; if (!(readl(&power_regs->hw_power_dcdc4p2) & POWER_DCDC4P2_ENABLE_DCDC)) { hang(); } - mx28_enable_4p2_dcdc_input(1); + mxs_enable_4p2_dcdc_input(1); if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) { clrbits_le32(&power_regs->hw_power_dcdc4p2, @@ -429,10 +429,10 @@ void mx28_power_init_dcdc_4p2_source(void) } } -void mx28_power_enable_4p2(void) +void mxs_power_enable_4p2(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t vdddctrl, vddactrl, vddioctrl; uint32_t tmp; @@ -451,11 +451,11 @@ void mx28_power_enable_4p2(void) setbits_le32(&power_regs->hw_power_vddioctrl, POWER_VDDIOCTRL_DISABLE_FET | POWER_VDDIOCTRL_PWDN_BRNOUT); - mx28_power_init_4p2_params(); - mx28_power_init_4p2_regulator(); + mxs_power_init_4p2_params(); + mxs_power_init_4p2_regulator(); /* Shutdown battery (none present) */ - if (!mx28_is_batt_ready()) { + if (!mxs_is_batt_ready()) { clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_BO_MASK); writel(POWER_CTRL_DCDC4P2_BO_IRQ, @@ -464,7 +464,7 @@ void mx28_power_enable_4p2(void) &power_regs->hw_power_ctrl_clr); } - mx28_power_init_dcdc_4p2_source(); + mxs_power_init_dcdc_4p2_source(); writel(vdddctrl, &power_regs->hw_power_vdddctrl); early_delay(20); @@ -488,10 +488,10 @@ void mx28_power_enable_4p2(void) &power_regs->hw_power_charge_clr); } -void mx28_boot_valid_5v(void) +void mxs_boot_valid_5v(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* * Use VBUSVALID level instead of VDD5V_GT_VDDIO level to trigger a 5V @@ -508,22 +508,22 @@ void mx28_boot_valid_5v(void) writel(POWER_CTRL_VBUS_VALID_IRQ | POWER_CTRL_VDD5V_GT_VDDIO_IRQ, &power_regs->hw_power_ctrl_clr); - mx28_power_enable_4p2(); + mxs_power_enable_4p2(); } -void mx28_powerdown(void) +void mxs_powerdown(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; writel(POWER_RESET_UNLOCK_KEY, &power_regs->hw_power_reset); writel(POWER_RESET_UNLOCK_KEY | POWER_RESET_PWD_OFF, &power_regs->hw_power_reset); } -void mx28_batt_boot(void) +void mxs_batt_boot(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_PWDN_5VBRNOUT); clrbits_le32(&power_regs->hw_power_5vctrl, POWER_5VCTRL_ENABLE_DCDC); @@ -542,7 +542,7 @@ void mx28_batt_boot(void) clrsetbits_le32(&power_regs->hw_power_minpwr, POWER_MINPWR_HALFFETS, POWER_MINPWR_DOUBLE_FETS); - mx28_power_set_linreg(); + mxs_power_set_linreg(); clrbits_le32(&power_regs->hw_power_vdddctrl, POWER_VDDDCTRL_DISABLE_FET | POWER_VDDDCTRL_ENABLE_LINREG); @@ -564,10 +564,10 @@ void mx28_batt_boot(void) 0x8 << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET); } -void mx28_handle_5v_conflict(void) +void mxs_handle_5v_conflict(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t tmp; setbits_le32(&power_regs->hw_power_vddioctrl, @@ -577,52 +577,56 @@ void mx28_handle_5v_conflict(void) tmp = readl(&power_regs->hw_power_sts); if (tmp & POWER_STS_VDDIO_BO) { - mx28_powerdown(); + /* + * VDDIO has a brownout, then the VDD5V_GT_VDDIO becomes + * unreliable + */ + mxs_powerdown(); break; } if (tmp & POWER_STS_VDD5V_GT_VDDIO) { - mx28_boot_valid_5v(); + mxs_boot_valid_5v(); break; } else { - mx28_powerdown(); + mxs_powerdown(); break; } if (tmp & POWER_STS_PSWITCH_MASK) { - mx28_batt_boot(); + mxs_batt_boot(); break; } } } -void mx28_5v_boot(void) +void mxs_5v_boot(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* * NOTE: In original IMX-Bootlets, this also checks for VBUSVALID, * but their implementation always returns 1 so we omit it here. */ if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - mx28_boot_valid_5v(); + mxs_boot_valid_5v(); return; } early_delay(1000); if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - mx28_boot_valid_5v(); + mxs_boot_valid_5v(); return; } - mx28_handle_5v_conflict(); + mxs_handle_5v_conflict(); } -void mx28_init_batt_bo(void) +void mxs_init_batt_bo(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; /* Brownout at 3V */ clrsetbits_le32(&power_regs->hw_power_battmonitor, @@ -633,10 +637,10 @@ void mx28_init_batt_bo(void) writel(POWER_CTRL_ENIRQ_BATT_BO, &power_regs->hw_power_ctrl_clr); } -void mx28_switch_vddd_to_dcdc_source(void) +void mxs_switch_vddd_to_dcdc_source(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; clrsetbits_le32(&power_regs->hw_power_vdddctrl, POWER_VDDDCTRL_LINREG_OFFSET_MASK, @@ -647,51 +651,48 @@ void mx28_switch_vddd_to_dcdc_source(void) POWER_VDDDCTRL_DISABLE_STEPPING); } -void mx28_power_configure_power_source(void) +void mxs_power_configure_power_source(void) { int batt_ready, batt_good; - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; - struct mx28_lradc_regs *lradc_regs = - (struct mx28_lradc_regs *)MXS_LRADC_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; + struct mxs_lradc_regs *lradc_regs = + (struct mxs_lradc_regs *)MXS_LRADC_BASE; - mx28_src_power_init(); - - batt_ready = mx28_is_batt_ready(); + mxs_src_power_init(); if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { - batt_good = mx28_is_batt_good(); + batt_ready = mxs_is_batt_ready(); if (batt_ready) { /* 5V source detected, good battery detected. */ - mx28_batt_boot(); + mxs_batt_boot(); } else { - if (batt_good) { - /* 5V source detected, low battery detceted. */ - } else { + batt_good = mxs_is_batt_good(); + if (!batt_good) { /* 5V source detected, bad battery detected. */ writel(LRADC_CONVERSION_AUTOMATIC, &lradc_regs->hw_lradc_conversion_clr); clrbits_le32(&power_regs->hw_power_battmonitor, POWER_BATTMONITOR_BATT_VAL_MASK); } - mx28_5v_boot(); + mxs_5v_boot(); } } else { /* 5V not detected, booting from battery. */ - mx28_batt_boot(); + mxs_batt_boot(); } - mx28_power_clock2pll(); + mxs_power_clock2pll(); - mx28_init_batt_bo(); + mxs_init_batt_bo(); - mx28_switch_vddd_to_dcdc_source(); + mxs_switch_vddd_to_dcdc_source(); } -void mx28_enable_output_rail_protection(void) +void mxs_enable_output_rail_protection(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | POWER_CTRL_VDDIO_BO_IRQ, &power_regs->hw_power_ctrl_clr); @@ -706,17 +707,17 @@ void mx28_enable_output_rail_protection(void) POWER_VDDIOCTRL_PWDN_BRNOUT); } -int mx28_get_vddio_power_source_off(void) +int mxs_get_vddio_power_source_off(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t tmp; if (readl(&power_regs->hw_power_sts) & POWER_STS_VDD5V_GT_VDDIO) { tmp = readl(&power_regs->hw_power_vddioctrl); if (tmp & POWER_VDDIOCTRL_DISABLE_FET) { if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) == - POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) { + POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS) { return 1; } } @@ -724,7 +725,7 @@ int mx28_get_vddio_power_source_off(void) if (!(readl(&power_regs->hw_power_5vctrl) & POWER_5VCTRL_ENABLE_DCDC)) { if ((tmp & POWER_VDDIOCTRL_LINREG_OFFSET_MASK) == - POWER_VDDDCTRL_LINREG_OFFSET_0STEPS) { + POWER_VDDIOCTRL_LINREG_OFFSET_0STEPS) { return 1; } } @@ -734,10 +735,10 @@ int mx28_get_vddio_power_source_off(void) } -int mx28_get_vddd_power_source_off(void) +int mxs_get_vddd_power_source_off(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t tmp; tmp = readl(&power_regs->hw_power_vdddctrl); @@ -765,21 +766,21 @@ int mx28_get_vddd_power_source_off(void) return 0; } -void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout) +void mxs_power_set_vddio(uint32_t new_target, uint32_t new_brownout) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t cur_target, diff, bo_int = 0; uint32_t powered_by_linreg = 0; - new_brownout = new_target - new_brownout; + new_brownout = (new_target - new_brownout + 25) / 50; cur_target = readl(&power_regs->hw_power_vddioctrl); cur_target &= POWER_VDDIOCTRL_TRG_MASK; cur_target *= 50; /* 50 mV step*/ cur_target += 2800; /* 2800 mV lowest */ - powered_by_linreg = mx28_get_vddio_power_source_off(); + powered_by_linreg = mxs_get_vddio_power_source_off(); if (new_target > cur_target) { if (powered_by_linreg) { @@ -858,25 +859,25 @@ void mx28_power_set_vddio(uint32_t new_target, uint32_t new_brownout) } clrsetbits_le32(&power_regs->hw_power_vddioctrl, - POWER_VDDDCTRL_BO_OFFSET_MASK, - new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET); + POWER_VDDIOCTRL_BO_OFFSET_MASK, + new_brownout << POWER_VDDIOCTRL_BO_OFFSET_OFFSET); } -void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout) +void mxs_power_set_vddd(uint32_t new_target, uint32_t new_brownout) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; uint32_t cur_target, diff, bo_int = 0; uint32_t powered_by_linreg = 0; - new_brownout = new_target - new_brownout; + new_brownout = (new_target - new_brownout + 12) / 25; cur_target = readl(&power_regs->hw_power_vdddctrl); cur_target &= POWER_VDDDCTRL_TRG_MASK; cur_target *= 25; /* 25 mV step*/ cur_target += 800; /* 800 mV lowest */ - powered_by_linreg = mx28_get_vddd_power_source_off(); + powered_by_linreg = mxs_get_vddd_power_source_off(); if (new_target > cur_target) { if (powered_by_linreg) { bo_int = readl(&power_regs->hw_power_vdddctrl); @@ -959,31 +960,31 @@ void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout) new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET); } -void mx28_setup_batt_detect(void) +void mxs_setup_batt_detect(void) { - mx28_lradc_init(); - mx28_lradc_enable_batt_measurement(); + mxs_lradc_init(); + mxs_lradc_enable_batt_measurement(); early_delay(10); } -void mx28_power_init(void) +void mxs_power_init(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; - mx28_power_clock2xtal(); - mx28_power_clear_auto_restart(); - mx28_power_set_linreg(); - mx28_power_setup_5v_detect(); + mxs_power_clock2xtal(); + mxs_power_clear_auto_restart(); + mxs_power_set_linreg(); + mxs_power_setup_5v_detect(); - mx28_setup_batt_detect(); + mxs_setup_batt_detect(); - mx28_power_configure_power_source(); - mx28_enable_output_rail_protection(); + mxs_power_configure_power_source(); + mxs_enable_output_rail_protection(); - mx28_power_set_vddio(3300, 3150); + mxs_power_set_vddio(3300, 3150); - mx28_power_set_vddd(1350, 1200); + mxs_power_set_vddd(1350, 1200); writel(POWER_CTRL_VDDD_BO_IRQ | POWER_CTRL_VDDA_BO_IRQ | POWER_CTRL_VDDIO_BO_IRQ | POWER_CTRL_VDD5V_DROOP_IRQ | @@ -996,10 +997,10 @@ void mx28_power_init(void) } #ifdef CONFIG_SPL_MX28_PSWITCH_WAIT -void mx28_power_wait_pswitch(void) +void mxs_power_wait_pswitch(void) { - struct mx28_power_regs *power_regs = - (struct mx28_power_regs *)MXS_POWER_BASE; + struct mxs_power_regs *power_regs = + (struct mxs_power_regs *)MXS_POWER_BASE; while (!(readl(&power_regs->hw_power_sts) & POWER_STS_PSWITCH_MASK)) ; diff --git a/arch/arm/cpu/arm926ejs/mx28/start.S b/arch/arm/cpu/arm926ejs/mxs/start.S index e572b786b..7ccd33717 100644 --- a/arch/arm/cpu/arm926ejs/mx28/start.S +++ b/arch/arm/cpu/arm926ejs/mxs/start.S @@ -180,14 +180,6 @@ _reset: orr r0,r0,#0xd3 msr cpsr,r0 - /* - * we do sys-critical inits only at reboot, - * not when booting from ram! - */ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT - bl cpu_init_crit -#endif - bl board_init_ll /* @@ -207,40 +199,6 @@ _reset: pop {r0-r12,r14} bx lr -/* - ************************************************************************* - * - * CPU_init_critical registers - * - * setup important registers - * setup memory timing - * - ************************************************************************* - */ -#ifndef CONFIG_SKIP_LOWLEVEL_INIT -cpu_init_crit: - /* - * flush v4 I/D caches - */ - mov r0, #0 - mcr p15, 0, r0, c7, c7, 0 /* flush v3/v4 cache */ - mcr p15, 0, r0, c8, c7, 0 /* flush v4 TLB */ - - /* - * disable MMU stuff and caches - */ - mrc p15, 0, r0, c1, c0, 0 - bic r0, r0, #0x00002300 /* clear bits 13, 9:8 (--V- --RS) */ - bic r0, r0, #0x00000087 /* clear bits 7, 2:0 (B--- -CAM) */ - orr r0, r0, #0x00000002 /* set bit 2 (A) Align */ - orr r0, r0, #0x00001000 /* set bit 12 (I) I-Cache */ - mcr p15, 0, r0, c1, c0, 0 - - mov pc, lr /* back to my caller */ - - .align 5 -#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ - _hang: ldr sp, _TEXT_BASE /* switch to abort stack */ 1: diff --git a/arch/arm/cpu/arm926ejs/mx28/timer.c b/arch/arm/cpu/arm926ejs/mxs/timer.c index 5b73f4a2b..4ed75e604 100644 --- a/arch/arm/cpu/arm926ejs/mx28/timer.c +++ b/arch/arm/cpu/arm926ejs/mxs/timer.c @@ -62,11 +62,11 @@ static inline unsigned long us_to_tick(unsigned long us) int timer_init(void) { - struct mx28_timrot_regs *timrot_regs = - (struct mx28_timrot_regs *)MXS_TIMROT_BASE; + struct mxs_timrot_regs *timrot_regs = + (struct mxs_timrot_regs *)MXS_TIMROT_BASE; /* Reset Timers and Rotary Encoder module */ - mx28_reset_block(&timrot_regs->hw_timrot_rotctrl_reg); + mxs_reset_block(&timrot_regs->hw_timrot_rotctrl_reg); /* Set fixed_count to 0 */ writel(0, &timrot_regs->hw_timrot_fixed_count0); @@ -84,8 +84,8 @@ int timer_init(void) unsigned long long get_ticks(void) { - struct mx28_timrot_regs *timrot_regs = - (struct mx28_timrot_regs *)MXS_TIMROT_BASE; + struct mxs_timrot_regs *timrot_regs = + (struct mxs_timrot_regs *)MXS_TIMROT_BASE; /* Current tick value */ uint32_t now = readl(&timrot_regs->hw_timrot_running_count0); diff --git a/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd b/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd new file mode 100644 index 000000000..c60615a45 --- /dev/null +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-imx28.bd @@ -0,0 +1,14 @@ +sources { + u_boot_spl="spl/u-boot-spl.bin"; + u_boot="u-boot.bin"; +} + +section (0) { + load u_boot_spl > 0x0000; + load ivt (entry = 0x0014) > 0x8000; + hab call 0x8000; + + load u_boot > 0x40000100; + load ivt (entry = 0x40000100) > 0x8000; + hab call 0x8000; +} diff --git a/arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds index 0fccd5296..f8ea38c03 100644 --- a/arch/arm/cpu/arm926ejs/mx28/u-boot-spl.lds +++ b/arch/arm/cpu/arm926ejs/mxs/u-boot-spl.lds @@ -37,7 +37,7 @@ SECTIONS . = ALIGN(4); .text : { - arch/arm/cpu/arm926ejs/mx28/start.o (.text) + arch/arm/cpu/arm926ejs/mxs/start.o (.text) *(.text) } diff --git a/arch/arm/cpu/arm926ejs/orion5x/cpu.c b/arch/arm/cpu/arm926ejs/orion5x/cpu.c index 792b11dfc..c3948d38f 100644 --- a/arch/arm/cpu/arm926ejs/orion5x/cpu.c +++ b/arch/arm/cpu/arm926ejs/orion5x/cpu.c @@ -292,7 +292,9 @@ int arch_misc_init(void) writel(ORION5X_MPP0_7, ORION5X_MPP_BASE+0x00); writel(ORION5X_MPP8_15, ORION5X_MPP_BASE+0x04); writel(ORION5X_MPP16_23, ORION5X_MPP_BASE+0x50); + writel(ORION5X_GPIO_OUT_VALUE, ORION5X_GPIO_BASE+0x00); writel(ORION5X_GPIO_OUT_ENABLE, ORION5X_GPIO_BASE+0x04); + writel(ORION5X_GPIO_IN_POLARITY, ORION5X_GPIO_BASE+0x0c); /* initialize timer */ timer_init_r(); |