diff options
Diffstat (limited to 'board/siemens')
| -rw-r--r-- | board/siemens/corvus/board.c | 109 | ||||
| -rw-r--r-- | board/siemens/taurus/taurus.c | 100 |
2 files changed, 187 insertions, 22 deletions
diff --git a/board/siemens/corvus/board.c b/board/siemens/corvus/board.c index f1e93ef063..0a11540cca 100644 --- a/board/siemens/corvus/board.c +++ b/board/siemens/corvus/board.c @@ -31,12 +31,10 @@ DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_CMD_NAND static void corvus_nand_hw_init(void) { struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; unsigned long csa; /* Enable CS3 */ @@ -63,22 +61,111 @@ static void corvus_nand_hw_init(void) AT91_SMC_MODE_TDF_CYCLE(3), &smc->cs[3].mode); - writel(1 << ATMEL_ID_PIOC, &pmc->pcer); - - /* Configure RDY/BSY */ - at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); + at91_periph_clk_enable(ATMEL_ID_PIOC); /* Enable NandFlash */ at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); } + +#if defined(CONFIG_SPL_BUILD) +#include <spl.h> +#include <nand.h> + +void at91_spl_board_init(void) +{ + /* + * For on the sam9m10g45ek board, the chip wm9711 stay in the test + * mode, so it need do some action to exit mode. + */ + at91_set_gpio_output(AT91_PIN_PD7, 0); + at91_set_gpio_output(AT91_PIN_PD8, 0); + at91_set_pio_pullup(AT91_PIO_PORTD, 7, 1); + at91_set_pio_pullup(AT91_PIO_PORTD, 8, 1); + at91_set_pio_pullup(AT91_PIO_PORTA, 12, 1); + at91_set_pio_pullup(AT91_PIO_PORTA, 13, 1); + at91_set_pio_pullup(AT91_PIO_PORTA, 15, 1); + + corvus_nand_hw_init(); + + /* Configure recovery button PINs */ + at91_set_gpio_input(AT91_PIN_PB7, 1); + + /* check if button is pressed */ + if (at91_get_gpio_value(AT91_PIN_PB7) == 0) { + u32 boot_device; + + debug("Recovery button pressed\n"); + boot_device = spl_boot_device(); + switch (boot_device) { +#ifdef CONFIG_SPL_NAND_SUPPORT + case BOOT_DEVICE_NAND: + nand_init(); + spl_nand_erase_one(0, 0); + break; #endif + } + } +} -#ifdef CONFIG_CMD_USB -static void taurus_usb_hw_init(void) +#include <asm/arch/atmel_mpddrc.h> +static void ddr2_conf(struct atmel_mpddr *ddr2) +{ + ddr2->md = (ATMEL_MPDDRC_MD_DBW_16_BITS | ATMEL_MPDDRC_MD_DDR2_SDRAM); + + ddr2->cr = (ATMEL_MPDDRC_CR_NC_COL_10 | + ATMEL_MPDDRC_CR_NR_ROW_14 | + ATMEL_MPDDRC_CR_DIC_DS | + ATMEL_MPDDRC_CR_DQMS_SHARED | + ATMEL_MPDDRC_CR_CAS_DDR_CAS3); + ddr2->rtr = 0x24b; + + ddr2->tpr0 = (6 << ATMEL_MPDDRC_TPR0_TRAS_OFFSET |/* 6*7.5 = 45 ns */ + 2 << ATMEL_MPDDRC_TPR0_TRCD_OFFSET |/* 2*7.5 = 15 ns */ + 2 << ATMEL_MPDDRC_TPR0_TWR_OFFSET | /* 2*7.5 = 15 ns */ + 8 << ATMEL_MPDDRC_TPR0_TRC_OFFSET | /* 8*7.5 = 75 ns */ + 2 << ATMEL_MPDDRC_TPR0_TRP_OFFSET | /* 2*7.5 = 15 ns */ + 1 << ATMEL_MPDDRC_TPR0_TRRD_OFFSET | /* 1*7.5= 7.5 ns*/ + 1 << ATMEL_MPDDRC_TPR0_TWTR_OFFSET | /* 1 clk cycle */ + 2 << ATMEL_MPDDRC_TPR0_TMRD_OFFSET); /* 2 clk cycles */ + + ddr2->tpr1 = (2 << ATMEL_MPDDRC_TPR1_TXP_OFFSET | /* 2*7.5 = 15 ns */ + 200 << ATMEL_MPDDRC_TPR1_TXSRD_OFFSET | + 16 << ATMEL_MPDDRC_TPR1_TXSNR_OFFSET | + 14 << ATMEL_MPDDRC_TPR1_TRFC_OFFSET); + + ddr2->tpr2 = (1 << ATMEL_MPDDRC_TPR2_TRTP_OFFSET | + 0 << ATMEL_MPDDRC_TPR2_TRPA_OFFSET | + 7 << ATMEL_MPDDRC_TPR2_TXARDS_OFFSET | + 2 << ATMEL_MPDDRC_TPR2_TXARD_OFFSET); +} + +void mem_init(void) { struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; + struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX; + struct atmel_mpddr ddr2; + unsigned long csa; + + ddr2_conf(&ddr2); - writel(1 << ATMEL_ID_PIODE, &pmc->pcer); + /* enable DDR2 clock */ + writel(0x4, &pmc->scer); + + /* Chip select 1 is for DDR2/SDRAM */ + csa = readl(&mat->ebicsa); + csa |= AT91_MATRIX_EBI_CS1A_SDRAMC; + csa &= ~AT91_MATRIX_EBI_VDDIOMSEL_3_3V; + writel(csa, &mat->ebicsa); + + /* DDRAM2 Controller initialize */ + ddr2_init(ATMEL_BASE_CS6, &ddr2); +} +#endif + +#ifdef CONFIG_CMD_USB +static void taurus_usb_hw_init(void) +{ + at91_periph_clk_enable(ATMEL_ID_PIODE); at91_set_gpio_output(AT91_PIN_PD1, 0); at91_set_gpio_output(AT91_PIN_PD3, 0); @@ -88,10 +175,8 @@ static void taurus_usb_hw_init(void) #ifdef CONFIG_MACB static void corvus_macb_hw_init(void) { - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - /* Enable clock */ - writel(1 << ATMEL_ID_EMAC, &pmc->pcer); + at91_periph_clk_enable(ATMEL_ID_EMAC); /* * Disable pull-up on: diff --git a/board/siemens/taurus/taurus.c b/board/siemens/taurus/taurus.c index 673b3029a6..b8ff478110 100644 --- a/board/siemens/taurus/taurus.c +++ b/board/siemens/taurus/taurus.c @@ -21,14 +21,17 @@ #include <asm/arch/at91_rstc.h> #include <asm/arch/gpio.h> #include <asm/arch/at91sam9_sdramc.h> +#include <asm/arch/clk.h> +#include <linux/mtd/nand.h> #include <atmel_mci.h> +#include <asm/arch/at91_spi.h> +#include <spi.h> #include <net.h> #include <netdev.h> DECLARE_GLOBAL_DATA_PTR; -#ifdef CONFIG_CMD_NAND static void taurus_nand_hw_init(void) { struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; @@ -61,15 +64,77 @@ static void taurus_nand_hw_init(void) /* Enable NandFlash */ at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); } + +#if defined(CONFIG_SPL_BUILD) +#include <spl.h> +#include <nand.h> + +void matrix_init(void) +{ + struct at91_matrix *mat = (struct at91_matrix *)ATMEL_BASE_MATRIX; + + writel((readl(&mat->scfg[3]) & (~AT91_MATRIX_SLOT_CYCLE)) + | AT91_MATRIX_SLOT_CYCLE_(0x40), + &mat->scfg[3]); +} + +void at91_spl_board_init(void) +{ + taurus_nand_hw_init(); + + /* Configure recovery button PINs */ + at91_set_gpio_input(AT91_PIN_PA31, 1); + + /* check if button is pressed */ + if (at91_get_gpio_value(AT91_PIN_PA31) == 0) { + u32 boot_device; + + debug("Recovery button pressed\n"); + boot_device = spl_boot_device(); + switch (boot_device) { +#ifdef CONFIG_SPL_NAND_SUPPORT + case BOOT_DEVICE_NAND: + nand_init(); + spl_nand_erase_one(0, 0); + break; +#endif + } + } +} + +void mem_init(void) +{ + struct at91_matrix *ma = (struct at91_matrix *)ATMEL_BASE_MATRIX; + struct sdramc_reg setting; + + at91_sdram_hw_init(); + setting.cr = (AT91_SDRAMC_NC_9 | + AT91_SDRAMC_NR_13 | + AT91_SDRAMC_CAS_3 | + AT91_SDRAMC_NB_4 | + AT91_SDRAMC_DBW_32 | + AT91_SDRAMC_TWR_VAL(3) | + AT91_SDRAMC_TRC_VAL(9) | + AT91_SDRAMC_TRP_VAL(3) | + AT91_SDRAMC_TRCD_VAL(3) | + AT91_SDRAMC_TRAS_VAL(6) | + AT91_SDRAMC_TXSR_VAL(10)); + setting.mdr = AT91_SDRAMC_MD_SDRAM; + setting.tr = (CONFIG_SYS_MASTER_CLOCK * 7) / 1000000; + + + writel(readl(&ma->ebicsa) | AT91_MATRIX_CS1A_SDRAMC | + AT91_MATRIX_VDDIOMSEL_3_3V | AT91_MATRIX_EBI_IOSR_SEL, + &ma->ebicsa); + sdramc_initialize(ATMEL_BASE_CS1, &setting); +} #endif #ifdef CONFIG_MACB static void taurus_macb_hw_init(void) { - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - /* Enable EMAC clock */ - writel(1 << ATMEL_ID_EMAC0, &pmc->pcer); + at91_periph_clk_enable(ATMEL_ID_EMAC0); /* * Disable pull-up on: @@ -117,28 +182,43 @@ int board_mmc_init(bd_t *bd) int board_early_init_f(void) { - struct at91_pmc *pmc = (struct at91_pmc *)ATMEL_BASE_PMC; - /* Enable clocks for all PIOs */ - writel((1 << ATMEL_ID_PIOA) | (1 << ATMEL_ID_PIOB) | - (1 << ATMEL_ID_PIOC), - &pmc->pcer); + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_periph_clk_enable(ATMEL_ID_PIOB); + at91_periph_clk_enable(ATMEL_ID_PIOC); + + at91_seriald_hw_init(); return 0; } +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ + return bus == 0 && cs == 0; +} + +void spi_cs_activate(struct spi_slave *slave) +{ + at91_set_gpio_value(TAURUS_SPI_CS_PIN, 0); +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ + at91_set_gpio_value(TAURUS_SPI_CS_PIN, 1); +} + int board_init(void) { /* adress of boot parameters */ gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; - at91_seriald_hw_init(); #ifdef CONFIG_CMD_NAND taurus_nand_hw_init(); #endif #ifdef CONFIG_MACB taurus_macb_hw_init(); #endif + at91_spi0_hw_init(TAURUS_SPI_MASK); return 0; } |
