diff options
Diffstat (limited to 'u-boot/board/atmel/at91sam9263ek/at91sam9263ek.c')
| -rw-r--r-- | u-boot/board/atmel/at91sam9263ek/at91sam9263ek.c | 297 |
1 files changed, 297 insertions, 0 deletions
diff --git a/u-boot/board/atmel/at91sam9263ek/at91sam9263ek.c b/u-boot/board/atmel/at91sam9263ek/at91sam9263ek.c new file mode 100644 index 0000000..91efc07 --- /dev/null +++ b/u-boot/board/atmel/at91sam9263ek/at91sam9263ek.c @@ -0,0 +1,297 @@ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian.pop@leadtechdesign.com> + * Lead Tech Design <www.leadtechdesign.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 <asm/sizes.h> +#include <asm/arch/at91sam9263.h> +#include <asm/arch/at91sam9_smc.h> +#include <asm/arch/at91_common.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_rstc.h> +#include <asm/arch/at91_matrix.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/clk.h> +#include <asm/arch/io.h> +#include <asm/arch/hardware.h> +#include <lcd.h> +#include <atmel_lcdc.h> +#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) +#include <net.h> +#endif +#include <netdev.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_CMD_NAND +static void at91sam9263ek_nand_hw_init(void) +{ + unsigned long csa; + at91_smc_t *smc = (at91_smc_t *) AT91_SMC0_BASE; + at91_matrix_t *matrix = (at91_matrix_t *) AT91_MATRIX_BASE; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + + /* Enable CS3 */ + csa = readl(&matrix->csa[0]) | AT91_MATRIX_CSA_EBI_CS3A; + writel(csa, &matrix->csa[0]); + + /* Enable CS3 */ + + /* Configure SMC CS3 for NAND/SmartMedia */ + writel(AT91_SMC_SETUP_NWE(1) | AT91_SMC_SETUP_NCS_WR(0) | + AT91_SMC_SETUP_NRD(1) | AT91_SMC_SETUP_NCS_RD(0), + &smc->cs[3].setup); + + writel(AT91_SMC_PULSE_NWE(3) | AT91_SMC_PULSE_NCS_WR(3) | + AT91_SMC_PULSE_NRD(3) | 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_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(2), + &smc->cs[3].mode); + + writel(1 << AT91SAM9263_ID_PIOA | 1 << AT91SAM9263_ID_PIOCDE, + &pmc->pcer); + + /* Configure RDY/BSY */ + at91_set_pio_input(CONFIG_SYS_NAND_READY_PIN, 1); + + /* Enable NandFlash */ + at91_set_pio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); +} +#endif + +#ifdef CONFIG_MACB +static void at91sam9263ek_macb_hw_init(void) +{ + unsigned long erstl; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + at91_rstc_t *rstc = (at91_rstc_t *) AT91_RSTC_BASE; + /* Enable clock */ + writel(1 << AT91SAM9263_ID_EMAC, &pmc->pcer); + + /* + * Disable pull-up on: + * RXDV (PC25) => PHY normal mode (not Test mode) + * ERX0 (PE25) => PHY ADDR0 + * ERX1 (PE26) => PHY ADDR1 => PHYADDR = 0x0 + * + * PHY has internal pull-down + */ + + writel(1 << 25, &pio->pioc.pudr); + writel((1 << 25) | (1 <<26), &pio->pioe.pudr); + + erstl = readl(&rstc->mr) & AT91_RSTC_MR_ERSTL_MASK; + + /* Need to reset PHY -> 500ms reset */ + writel(AT91_RSTC_KEY | AT91_RSTC_MR_ERSTL(0x0D) | + AT91_RSTC_MR_URSTEN, &rstc->mr); + + writel(AT91_RSTC_KEY | AT91_RSTC_CR_EXTRST, &rstc->cr); + /* Wait for end hardware reset */ + while (!(readl(&rstc->sr) & AT91_RSTC_SR_NRSTL)) + ; + + /* Restore NRST value */ + writel(AT91_RSTC_KEY | erstl | AT91_RSTC_MR_URSTEN, &rstc->mr); + + /* Re-enable pull-up */ + writel(1 << 25, &pio->pioc.puer); + writel((1 << 25) | (1 <<26), &pio->pioe.puer); + + at91_macb_hw_init(); +} +#endif + +#ifdef CONFIG_LCD +vidinfo_t panel_info = { + vl_col: 240, + vl_row: 320, + vl_clk: 4965000, + vl_sync: ATMEL_LCDC_INVLINE_INVERTED | + ATMEL_LCDC_INVFRAME_INVERTED, + vl_bpix: 3, + vl_tft: 1, + vl_hsync_len: 5, + vl_left_margin: 1, + vl_right_margin:33, + vl_vsync_len: 1, + vl_upper_margin:1, + vl_lower_margin:0, + mmio: AT91SAM9263_LCDC_BASE, +}; + +void lcd_enable(void) +{ + at91_set_pio_value(AT91_PIO_PORTA, 30, 1); /* power up */ +} + +void lcd_disable(void) +{ + at91_set_pio_value(AT91_PIO_PORTA, 30, 0); /* power down */ +} + +static void at91sam9263ek_lcd_hw_init(void) +{ + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + + at91_set_a_periph(AT91_PIO_PORTC, 1, 0); /* LCDHSYNC */ + at91_set_a_periph(AT91_PIO_PORTC, 2, 0); /* LCDDOTCK */ + at91_set_a_periph(AT91_PIO_PORTC, 3, 0); /* LCDDEN */ + at91_set_b_periph(AT91_PIO_PORTB, 9, 0); /* LCDCC */ + at91_set_a_periph(AT91_PIO_PORTC, 6, 0); /* LCDD2 */ + at91_set_a_periph(AT91_PIO_PORTC, 7, 0); /* LCDD3 */ + at91_set_a_periph(AT91_PIO_PORTC, 8, 0); /* LCDD4 */ + at91_set_a_periph(AT91_PIO_PORTC, 9, 0); /* LCDD5 */ + at91_set_a_periph(AT91_PIO_PORTC, 10, 0); /* LCDD6 */ + at91_set_a_periph(AT91_PIO_PORTC, 11, 0); /* LCDD7 */ + at91_set_a_periph(AT91_PIO_PORTC, 14, 0); /* LCDD10 */ + at91_set_a_periph(AT91_PIO_PORTC, 15, 0); /* LCDD11 */ + at91_set_a_periph(AT91_PIO_PORTC, 16, 0); /* LCDD12 */ + at91_set_b_periph(AT91_PIO_PORTC, 12, 0); /* LCDD13 */ + at91_set_a_periph(AT91_PIO_PORTC, 18, 0); /* LCDD14 */ + at91_set_a_periph(AT91_PIO_PORTC, 19, 0); /* LCDD15 */ + at91_set_a_periph(AT91_PIO_PORTC, 22, 0); /* LCDD18 */ + at91_set_a_periph(AT91_PIO_PORTC, 23, 0); /* LCDD19 */ + at91_set_a_periph(AT91_PIO_PORTC, 24, 0); /* LCDD20 */ + at91_set_b_periph(AT91_PIO_PORTC, 17, 0); /* LCDD21 */ + at91_set_a_periph(AT91_PIO_PORTC, 26, 0); /* LCDD22 */ + at91_set_a_periph(AT91_PIO_PORTC, 27, 0); /* LCDD23 */ + + writel(1 << AT91SAM9263_ID_LCDC, &pmc->pcer); + gd->fb_base = AT91SAM9263_SRAM0_BASE; +} + +#ifdef CONFIG_LCD_INFO +#include <nand.h> +#include <version.h> + +#ifndef CONFIG_SYS_NO_FLASH +extern flash_info_t flash_info[]; +#endif + +void lcd_show_board_info(void) +{ + ulong dram_size, nand_size; +#ifndef CONFIG_SYS_NO_FLASH + ulong flash_size; +#endif + int i; + char temp[32]; + + lcd_printf ("%s\n", U_BOOT_VERSION); + lcd_printf ("(C) 2008 ATMEL Corp\n"); + lcd_printf ("at91support@atmel.com\n"); + lcd_printf ("%s CPU at %s MHz\n", + CONFIG_SYS_AT91_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; + for (i = 0; i < CONFIG_SYS_MAX_NAND_DEVICE; i++) + nand_size += nand_info[i].size; +#ifndef CONFIG_SYS_NO_FLASH + flash_size = 0; + for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; i++) + flash_size += flash_info[i].size; +#endif + lcd_printf (" %ld MB SDRAM, %ld MB NAND", + dram_size >> 20, + nand_size >> 20 ); +#ifndef CONFIG_SYS_NO_FLASH + lcd_printf (",\n %ld MB NOR", + flash_size >> 20); +#endif + lcd_puts ("\n"); +} +#endif /* CONFIG_LCD_INFO */ +#endif + +int board_init(void) +{ + /* Enable Ctrlc */ + console_init_f(); + + /* arch number of AT91SAM9263EK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9263EK; + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + at91_serial_hw_init(); +#ifdef CONFIG_CMD_NAND + at91sam9263ek_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH + at91_set_pio_output(AT91_PIO_PORTE, 20, 1); /* select spi0 clock */ + at91_spi0_hw_init(1 << 0); +#endif +#ifdef CONFIG_MACB + at91sam9263ek_macb_hw_init(); +#endif +#ifdef CONFIG_USB_OHCI_NEW + at91_uhp_hw_init(); +#endif +#ifdef CONFIG_LCD + at91sam9263ek_lcd_hw_init(); +#endif + return 0; +} + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = PHYS_SDRAM_SIZE; + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ +} +#endif + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_MACB + rc = macb_eth_initialize(0, (void *) AT91_EMAC_BASE, 0x00); +#endif + return rc; +} |