diff options
Diffstat (limited to 'roms/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c')
| -rw-r--r-- | roms/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c | 201 |
1 files changed, 201 insertions, 0 deletions
diff --git a/roms/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c b/roms/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c new file mode 100644 index 000000000..f427ee658 --- /dev/null +++ b/roms/u-boot/board/atmel/at91sam9rlek/at91sam9rlek.c @@ -0,0 +1,201 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * (C) Copyright 2007-2008 + * Stelian Pop <stelian@popies.net> + * Lead Tech Design <www.leadtechdesign.com> + */ + +#include <common.h> +#include <debug_uart.h> +#include <init.h> +#include <vsprintf.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/mach-types.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_rstc.h> +#include <asm/arch/clk.h> +#include <asm/arch/gpio.h> + +#include <lcd.h> +#include <atmel_lcdc.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* ------------------------------------------------------------------------- */ +/* + * Miscelaneous platform dependent initialisations + */ + +#ifdef CONFIG_CMD_NAND +static void at91sam9rlek_nand_hw_init(void) +{ + struct at91_smc *smc = (struct at91_smc *)ATMEL_BASE_SMC; + struct at91_matrix *matrix = (struct at91_matrix *)ATMEL_BASE_MATRIX; + unsigned long csa; + + /* Enable CS3 */ + csa = readl(&matrix->ebicsa); + csa |= AT91_MATRIX_CS3A_SMC_SMARTMEDIA; + + writel(csa, &matrix->ebicsa); + + /* 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); + + at91_periph_clk_enable(ATMEL_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 = ATMEL_BASE_LCDC, +}; + +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_periph_clk_enable(ATMEL_ID_LCDC); +} + +#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", + ATMEL_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 += get_nand_dev_by_index(i)->size; + lcd_printf (" %ld MB SDRAM, %ld MB NAND\n", + dram_size >> 20, + nand_size >> 20 ); +} +#endif /* CONFIG_LCD_INFO */ +#endif + +#ifdef CONFIG_DEBUG_UART_BOARD_INIT +void board_debug_uart_init(void) +{ + at91_seriald_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) +{ + /* arch number of AT91SAM9RLEK-Board */ + gd->bd->bi_arch_number = MACH_TYPE_AT91SAM9RLEK; + /* adress of boot parameters */ + gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 0x100; + +#ifdef CONFIG_CMD_NAND + at91sam9rlek_nand_hw_init(); +#endif +#ifdef CONFIG_LCD + at91sam9rlek_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; +} |