diff options
Diffstat (limited to 'board/atmel/sama5d3_xplained/sama5d3_xplained.c')
| -rw-r--r-- | board/atmel/sama5d3_xplained/sama5d3_xplained.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/board/atmel/sama5d3_xplained/sama5d3_xplained.c b/board/atmel/sama5d3_xplained/sama5d3_xplained.c new file mode 100644 index 0000000000..39f2dc6475 --- /dev/null +++ b/board/atmel/sama5d3_xplained/sama5d3_xplained.c @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2014 Atmel Corporation + * Bo Shen <voice.shen@atmel.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <mmc.h> +#include <asm/io.h> +#include <asm/arch/sama5d3_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/gpio.h> +#include <asm/arch/clk.h> +#include <atmel_mci.h> +#include <net.h> +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_NAND_ATMEL +void sama5d3_xplained_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + + at91_periph_clk_enable(ATMEL_ID_SMC); + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(2) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(2) | AT91_SMC_SETUP_NCS_RD(1), + &smc->cs[3].setup); + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(5) | + AT91_SMC_PULSE_NRD(3) | AT91_SMC_PULSE_NCS_RD(5), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(8) | AT91_SMC_CYCLE_NRD(8), + &smc->cs[3].cycle); + writel(AT91_SMC_TIMINGS_TCLR(3) | AT91_SMC_TIMINGS_TADL(10) | + AT91_SMC_TIMINGS_TAR(3) | AT91_SMC_TIMINGS_TRR(4) | + AT91_SMC_TIMINGS_TWB(5) | AT91_SMC_TIMINGS_RBNSEL(3)| + AT91_SMC_TIMINGS_NFSEL(1), &smc->cs[3].timings); + writel(AT91_SMC_MODE_RM_NRD | AT91_SMC_MODE_WM_NWE | + AT91_SMC_MODE_EXNW_DISABLE | +#ifdef CONFIG_SYS_NAND_DBW_16 + AT91_SMC_MODE_DBW_16 | +#else /* CONFIG_SYS_NAND_DBW_8 */ + AT91_SMC_MODE_DBW_8 | +#endif + AT91_SMC_MODE_TDF_CYCLE(3), + &smc->cs[3].mode); +} +#endif + +#ifdef CONFIG_CMD_USB +static void sama5d3_xplained_usb_hw_init(void) +{ + at91_set_pio_output(AT91_PIO_PORTE, 3, 0); + at91_set_pio_output(AT91_PIO_PORTE, 4, 0); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +static void sama5d3_xplained_mci0_hw_init(void) +{ + at91_mci_hw_init(); + + at91_set_pio_output(AT91_PIO_PORTE, 2, 0); /* MCI0 Power */ +} +#endif + +int board_early_init_f(void) +{ + at91_periph_clk_enable(ATMEL_ID_PIOA); + at91_periph_clk_enable(ATMEL_ID_PIOB); + at91_periph_clk_enable(ATMEL_ID_PIOC); + at91_periph_clk_enable(ATMEL_ID_PIOD); + at91_periph_clk_enable(ATMEL_ID_PIOE); + + at91_seriald_hw_init(); + + return 0; +} + +int board_init(void) +{ + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_NAND_ATMEL + sama5d3_xplained_nand_hw_init(); +#endif +#ifdef CONFIG_CMD_USB + sama5d3_xplained_usb_hw_init(); +#endif +#ifdef CONFIG_GENERIC_ATMEL_MCI + sama5d3_xplained_mci0_hw_init(); +#endif +#ifdef CONFIG_MACB + at91_gmac_hw_init(); + at91_macb_hw_init(); +#endif + return 0; +} + +int dram_init(void) +{ + gd->ram_size = get_ram_size((void *)CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + + return 0; +} + +int board_eth_init(bd_t *bis) +{ +#ifdef CONFIG_MACB + macb_eth_initialize(0, (void *)ATMEL_BASE_GMAC, 0x00); + macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); +#endif + return 0; +} + +#ifdef CONFIG_GENERIC_ATMEL_MCI +int board_mmc_init(bd_t *bis) +{ + atmel_mci_init((void *)ATMEL_BASE_MCI0); + + return 0; +} +#endif |
