diff options
Diffstat (limited to 'board/atmel/sama5d3xek/sama5d3xek.c')
| -rw-r--r-- | board/atmel/sama5d3xek/sama5d3xek.c | 275 | 
1 files changed, 275 insertions, 0 deletions
| diff --git a/board/atmel/sama5d3xek/sama5d3xek.c b/board/atmel/sama5d3xek/sama5d3xek.c new file mode 100644 index 000000000..541296dbd --- /dev/null +++ b/board/atmel/sama5d3xek/sama5d3xek.c @@ -0,0 +1,275 @@ +/* + * 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 <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 <lcd.h> +#include <atmel_lcdc.h> +#include <atmel_mci.h> +#include <net.h> +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_NAND_ATMEL +void sama5d3xek_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 sama5d3xek_usb_hw_init(void) +{ +	at91_set_pio_output(AT91_PIO_PORTD, 25, 0); +	at91_set_pio_output(AT91_PIO_PORTD, 26, 0); +	at91_set_pio_output(AT91_PIO_PORTD, 27, 0); +} +#endif + +#ifdef CONFIG_GENERIC_ATMEL_MCI +static void sama5d3xek_mci_hw_init(void) +{ +	at91_mci_hw_init(); + +	at91_set_pio_output(AT91_PIO_PORTB, 10, 0);	/* MCI0 Power */ +} +#endif + +#ifdef CONFIG_LCD +vidinfo_t panel_info = { +	.vl_col = 800, +	.vl_row = 480, +	.vl_clk = 24000000, +	.vl_sync = ATMEL_LCDC_INVLINE_NORMAL | ATMEL_LCDC_INVFRAME_NORMAL, +	.vl_bpix = LCD_BPP, +	.vl_tft = 1, +	.vl_hsync_len = 128, +	.vl_left_margin = 64, +	.vl_right_margin = 64, +	.vl_vsync_len = 2, +	.vl_upper_margin = 22, +	.vl_lower_margin = 21, +	.mmio = ATMEL_BASE_LCDC, +}; + +void lcd_enable(void) +{ +} + +void lcd_disable(void) +{ +} + +static void sama5d3xek_lcd_hw_init(void) +{ +	gd->fb_base = CONFIG_SAMA5D3_LCD_BASE; + +	/* The higher 8 bit of LCD is board related */ +	at91_set_c_periph(AT91_PIO_PORTC, 14, 0);	/* LCDD16 */ +	at91_set_c_periph(AT91_PIO_PORTC, 13, 0);	/* LCDD17 */ +	at91_set_c_periph(AT91_PIO_PORTC, 12, 0);	/* LCDD18 */ +	at91_set_c_periph(AT91_PIO_PORTC, 11, 0);	/* LCDD19 */ +	at91_set_c_periph(AT91_PIO_PORTC, 10, 0);	/* LCDD20 */ +	at91_set_c_periph(AT91_PIO_PORTC, 15, 0);	/* LCDD21 */ +	at91_set_c_periph(AT91_PIO_PORTE, 27, 0);	/* LCDD22 */ +	at91_set_c_periph(AT91_PIO_PORTE, 28, 0);	/* LCDD23 */ + +	/* Configure lower 16 bit of LCD and enable clock */ +	at91_lcd_hw_init(); +} + +#ifdef CONFIG_LCD_INFO +#include <nand.h> +#include <version.h> + +void lcd_show_board_info(void) +{ +	ulong dram_size, nand_size; +	int i; +	char temp[32]; + +	lcd_printf("%s\n", U_BOOT_VERSION); +	lcd_printf("(C) 2013 ATMEL Corp\n"); +	lcd_printf("at91@atmel.com\n"); +	lcd_printf("%s CPU at %s MHz\n", get_cpu_name(), +		   strmhz(temp, get_cpu_clk_rate())); + +	dram_size = 0; +	for (i = 0; i < CONFIG_NR_DRAM_BANKS; i++) +		dram_size += gd->bd->bi_dram[i].size; + +	nand_size = 0; +#ifdef CONFIG_NAND_ATMEL +	for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) +		nand_size += nand_info[i].size; +#endif +	lcd_printf("%ld MB SDRAM, %ld MB NAND\n", +		   dram_size >> 20, nand_size >> 20); +} +#endif /* CONFIG_LCD_INFO */ +#endif /* CONFIG_LCD */ + +int board_early_init_f(void) +{ +	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 +	sama5d3xek_nand_hw_init(); +#endif +#ifdef CONFIG_CMD_USB +	sama5d3xek_usb_hw_init(); +#endif +#ifdef CONFIG_GENERIC_ATMEL_MCI +	sama5d3xek_mci_hw_init(); +#endif +#ifdef CONFIG_ATMEL_SPI +	at91_spi0_hw_init(1 << 0); +#endif +#ifdef CONFIG_MACB +	if (has_emac()) +		at91_macb_hw_init(); +#endif +#ifdef CONFIG_LCD +	if (has_lcdc()) +		sama5d3xek_lcd_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) +{ +	int rc = 0; + +#ifdef CONFIG_MACB +	if (has_emac()) +		rc = macb_eth_initialize(0, (void *)ATMEL_BASE_EMAC, 0x00); +#endif + +	return rc; +} + +#ifdef CONFIG_GENERIC_ATMEL_MCI +int board_mmc_init(bd_t *bis) +{ +	int rc = 0; + +	rc = atmel_mci_init((void *)ATMEL_BASE_MCI0); + +	return rc; +} +#endif + +/* SPI chip select control */ +#ifdef CONFIG_ATMEL_SPI +#include <spi.h> + +int spi_cs_is_valid(unsigned int bus, unsigned int cs) +{ +	return bus == 0 && cs < 4; +} + +void spi_cs_activate(struct spi_slave *slave) +{ +	switch (slave->cs) { +	case 0: +		at91_set_pio_output(AT91_PIO_PORTD, 13, 0); +	case 1: +		at91_set_pio_output(AT91_PIO_PORTD, 14, 0); +	case 2: +		at91_set_pio_output(AT91_PIO_PORTD, 15, 0); +	case 3: +		at91_set_pio_output(AT91_PIO_PORTD, 16, 0); +	default: +		break; +	} +} + +void spi_cs_deactivate(struct spi_slave *slave) +{ +	switch (slave->cs) { +	case 0: +		at91_set_pio_output(AT91_PIO_PORTD, 13, 1); +	case 1: +		at91_set_pio_output(AT91_PIO_PORTD, 14, 1); +	case 2: +		at91_set_pio_output(AT91_PIO_PORTD, 15, 1); +	case 3: +		at91_set_pio_output(AT91_PIO_PORTD, 16, 1); +	default: +		break; +	} +} +#endif /* CONFIG_ATMEL_SPI */ |