diff options
Diffstat (limited to 'u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c')
| -rw-r--r-- | u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c | 205 |
1 files changed, 205 insertions, 0 deletions
diff --git a/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c b/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c new file mode 100644 index 0000000..e374917 --- /dev/null +++ b/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c @@ -0,0 +1,205 @@ +/* + * (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/arch/at91sam9rl.h> +#include <asm/arch/at91sam9rl_matrix.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/clk.h> +#include <asm/arch/gpio.h> +#include <asm/arch/io.h> +#include <lcd.h> +#include <atmel_lcdc.h> +#if defined(CONFIG_RESET_PHY_R) && defined(CONFIG_MACB) +#include <net.h> +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_CMD_NAND +static void at91sam9rlek_nand_hw_init(void) +{ + unsigned long csa; + + /* Enable CS3 */ + csa = at91_sys_read(AT91_MATRIX_EBICSA); + at91_sys_write(AT91_MATRIX_EBICSA, + csa | AT91_MATRIX_CS3A_SMC_SMARTMEDIA); + + /* Configure SMC CS3 for NAND/SmartMedia */ + at91_sys_write(AT91_SMC_SETUP(3), + AT91_SMC_NWESETUP_(1) | AT91_SMC_NCS_WRSETUP_(0) | + AT91_SMC_NRDSETUP_(1) | AT91_SMC_NCS_RDSETUP_(0)); + at91_sys_write(AT91_SMC_PULSE(3), + AT91_SMC_NWEPULSE_(3) | AT91_SMC_NCS_WRPULSE_(3) | + AT91_SMC_NRDPULSE_(3) | AT91_SMC_NCS_RDPULSE_(3)); + at91_sys_write(AT91_SMC_CYCLE(3), + AT91_SMC_NWECYCLE_(5) | AT91_SMC_NRDCYCLE_(5)); + at91_sys_write(AT91_SMC_MODE(3), + AT91_SMC_READMODE | AT91_SMC_WRITEMODE | + AT91_SMC_EXNWMODE_DISABLE | +#ifdef CONFIG_SYS_NAND_DBW_16 + AT91_SMC_DBW_16 | +#else /* CONFIG_SYS_NAND_DBW_8 */ + AT91_SMC_DBW_8 | +#endif + AT91_SMC_TDF_(2)); + + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_PIOD); + + /* Configure RDY/BSY */ + at91_set_gpio_input(CONFIG_SYS_NAND_READY_PIN, 1); + + /* Enable NandFlash */ + at91_set_gpio_output(CONFIG_SYS_NAND_ENABLE_PIN, 1); + + at91_set_A_periph(AT91_PIN_PB4, 0); /* NANDOE */ + at91_set_A_periph(AT91_PIN_PB5, 0); /* NANDWE */ +} +#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: AT91SAM9RL_LCDC_BASE, +}; + +void lcd_enable(void) +{ + at91_set_gpio_value(AT91_PIN_PA30, 0); /* power up */ +} + +void lcd_disable(void) +{ + at91_set_gpio_value(AT91_PIN_PA30, 1); /* power down */ +} +static void at91sam9rlek_lcd_hw_init(void) +{ + at91_set_B_periph(AT91_PIN_PC1, 0); /* LCDPWR */ + at91_set_A_periph(AT91_PIN_PC5, 0); /* LCDHSYNC */ + at91_set_A_periph(AT91_PIN_PC6, 0); /* LCDDOTCK */ + at91_set_A_periph(AT91_PIN_PC7, 0); /* LCDDEN */ + at91_set_A_periph(AT91_PIN_PC3, 0); /* LCDCC */ + at91_set_B_periph(AT91_PIN_PC9, 0); /* LCDD3 */ + at91_set_B_periph(AT91_PIN_PC10, 0); /* LCDD4 */ + at91_set_B_periph(AT91_PIN_PC11, 0); /* LCDD5 */ + at91_set_B_periph(AT91_PIN_PC12, 0); /* LCDD6 */ + at91_set_B_periph(AT91_PIN_PC13, 0); /* LCDD7 */ + at91_set_B_periph(AT91_PIN_PC15, 0); /* LCDD11 */ + at91_set_B_periph(AT91_PIN_PC16, 0); /* LCDD12 */ + at91_set_B_periph(AT91_PIN_PC17, 0); /* LCDD13 */ + at91_set_B_periph(AT91_PIN_PC18, 0); /* LCDD14 */ + at91_set_B_periph(AT91_PIN_PC19, 0); /* LCDD15 */ + at91_set_B_periph(AT91_PIN_PC20, 0); /* LCDD18 */ + at91_set_B_periph(AT91_PIN_PC21, 0); /* LCDD19 */ + at91_set_B_periph(AT91_PIN_PC22, 0); /* LCDD20 */ + at91_set_B_periph(AT91_PIN_PC23, 0); /* LCDD21 */ + at91_set_B_periph(AT91_PIN_PC24, 0); /* LCDD22 */ + at91_set_B_periph(AT91_PIN_PC25, 0); /* LCDD23 */ + + at91_sys_write(AT91_PMC_PCER, 1 << AT91SAM9RL_ID_LCDC); + + gd->fb_base = 0; +} + +#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) 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; + lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", + dram_size >> 20, + nand_size >> 20 ); +} +#endif /* CONFIG_LCD_INFO */ +#endif + + +int board_init(void) +{ + /* Enable Ctrlc */ + console_init_f(); + + /* arch number of AT91SAM9RLEK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + + at91_serial_hw_init(); +#ifdef CONFIG_CMD_NAND + at91sam9rlek_nand_hw_init(); +#endif +#ifdef CONFIG_HAS_DATAFLASH + at91_spi0_hw_init(1 << 0); +#endif +#ifdef CONFIG_LCD + at91sam9rlek_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; +} |