diff options
| author | Ludovic Desroches <ludovic.desroches@microchip.com> | 2017-11-17 14:57:12 +0800 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-11-29 22:30:50 -0500 |
| commit | aaa4ba930ca3bbc98f33651b175480ba86aa4dd2 (patch) | |
| tree | 5bba3dfbeb028c93f0098b289b53705869609623 /board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c | |
| parent | 48e4851f492fce44ba24572ec36f0eee51c46555 (diff) | |
board: atmel: add sama5d2_ptc_ek board
Add the SAMA5D2 PTC EK board and remove the SAMA5D2 PTC ENGI board
which was a prototype.
Signed-off-by: Ludovic Desroches <ludovic.desroches@microchip.com>
Signed-off-by: Wenyou Yang <wenyou.yang@microchip.com>
Diffstat (limited to 'board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c')
| -rw-r--r-- | board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c | 130 |
1 files changed, 130 insertions, 0 deletions
diff --git a/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c b/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c new file mode 100644 index 0000000000..4c2e20977e --- /dev/null +++ b/board/atmel/sama5d2_ptc_ek/sama5d2_ptc_ek.c @@ -0,0 +1,130 @@ +/* + * Copyright (C) 2017 Microchip Corporation + * Wenyou Yang <wenyou.yang@microchip.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <debug_uart.h> +#include <dm.h> +#include <i2c.h> +#include <nand.h> +#include <version.h> +#include <asm/io.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/atmel_pio4.h> +#include <asm/arch/atmel_mpddrc.h> +#include <asm/arch/atmel_sdhci.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> +#include <asm/arch/sama5d2.h> +#include <asm/arch/sama5d2_smc.h> + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_NAND_ATMEL +static void board_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + + at91_periph_clk_enable(ATMEL_ID_HSMC); + + /* Configure SMC CS3 for NAND */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(1) | + AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(1), + &smc->cs[3].setup); + writel(AT91_SMC_PULSE_NWE(2) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(2) | AT91_SMC_PULSE_NCS_RD(3), + &smc->cs[3].pulse); + writel(AT91_SMC_CYCLE_NWE(5) | AT91_SMC_CYCLE_NRD(5), + &smc->cs[3].cycle); + writel(AT91_SMC_TIMINGS_TCLR(2) | AT91_SMC_TIMINGS_TADL(7) | + AT91_SMC_TIMINGS_TAR(2) | AT91_SMC_TIMINGS_TRR(3) | + AT91_SMC_TIMINGS_TWB(7) | 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 | + AT91_SMC_MODE_DBW_8 | + AT91_SMC_MODE_TDF_CYCLE(3), + &smc->cs[3].mode); + + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 22, 0); /* D0 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 23, 0); /* D1 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 24, 0); /* D2 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 25, 0); /* D3 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 26, 0); /* D4 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 27, 0); /* D5 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 28, 0); /* D6 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 29, 0); /* D7 */ + atmel_pio4_set_b_periph(AT91_PIO_PORTB, 2, 0); /* RE */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 30, 0); /* WE */ + atmel_pio4_set_b_periph(AT91_PIO_PORTA, 31, 1); /* NCS */ + atmel_pio4_set_b_periph(AT91_PIO_PORTC, 8, 1); /* RDY */ + atmel_pio4_set_b_periph(AT91_PIO_PORTB, 0, 1); /* ALE */ + atmel_pio4_set_b_periph(AT91_PIO_PORTB, 1, 1); /* CLE */ +} +#endif + +static void board_usb_hw_init(void) +{ + atmel_pio4_set_pio_output(AT91_PIO_PORTB, 12, 1); +} + +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +static void board_uart0_hw_init(void) +{ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 26, 1); /* URXD0 */ + atmel_pio4_set_c_periph(AT91_PIO_PORTB, 27, 0); /* UTXD0 */ + + at91_periph_clk_enable(ATMEL_ID_UART0); +} + +void board_debug_uart_init(void) +{ + board_uart0_hw_init(); +} +#endif + +#ifdef CONFIG_BOARD_EARLY_INIT_F +int board_early_init_f(void) +{ +#ifdef CONFIG_DEBUG_UART + debug_uart_init(); +#endif + return 0; +} +#endif + +int board_init(void) +{ + /* address of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_NAND_ATMEL + board_nand_hw_init(); +#endif +#ifdef CONFIG_CMD_USB + board_usb_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; +} + +#define AT24MAC_MAC_OFFSET 0xfa + +#ifdef CONFIG_MISC_INIT_R +int misc_init_r(void) +{ +#ifdef CONFIG_I2C_EEPROM + at91_set_ethaddr(AT24MAC_MAC_OFFSET); +#endif + return 0; +} +#endif |