318 lines
6.2 KiB
C
318 lines
6.2 KiB
C
/*
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* SAMA5D4EK board configureation.
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*
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* Copyright (C) 2014 Atmel Corporation,
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* Bo Shen <voice.shen@atmel.com>
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*
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* Licensed under GPLv2 or later.
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*/
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#include <common.h>
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#include <net.h>
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#include <init.h>
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#include <environment.h>
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#include <asm/armlinux.h>
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#include <partition.h>
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#include <fs.h>
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#include <fcntl.h>
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#include <io.h>
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#include <mach/hardware.h>
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#include <nand.h>
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#include <sizes.h>
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#include <linux/mtd/nand.h>
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#include <mach/board.h>
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#include <mach/at91sam9_smc.h>
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#include <gpio.h>
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#include <mach/iomux.h>
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#include <mach/at91_pmc.h>
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#include <mach/at91_rstc.h>
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#include <mach/at91sam9x5_matrix.h>
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#include <input/qt1070.h>
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#include <readkey.h>
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#include <spi/spi.h>
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#include <linux/clk.h>
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#if defined(CONFIG_NAND_ATMEL)
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static struct atmel_nand_data nand_pdata = {
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.ale = 21,
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.cle = 22,
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.det_pin = -EINVAL,
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.rdy_pin = -EINVAL,
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.enable_pin = -EINVAL,
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.ecc_mode = NAND_ECC_HW,
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.pmecc_sector_size = 512,
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.pmecc_corr_cap = 8,
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.on_flash_bbt = 1,
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};
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static struct sam9_smc_config cm_nand_smc_config = {
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.ncs_read_setup = 1,
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.nrd_setup = 1,
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.ncs_write_setup = 1,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 2,
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.ncs_write_pulse = 3,
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.nwe_pulse = 2,
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.read_cycle = 5,
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.write_cycle = 5,
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.mode = AT91_SMC_READMODE | AT91_SMC_WRITEMODE | AT91_SMC_EXNWMODE_DISABLE,
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.tdf_cycles = 3,
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.tclr = 2,
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.tadl = 7,
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.tar = 2,
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.ocms = 0,
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.trr = 3,
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.twb = 7,
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.rbnsel = 3,
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.nfsel = 1,
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};
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static void ek_add_device_nand(void)
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{
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struct clk *clk = clk_get(NULL, "smc_clk");
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clk_enable(clk);
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/* configure chip-select 3 (NAND) */
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sama5_smc_configure(0, 3, &cm_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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#else
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static void ek_add_device_nand(void) {}
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#endif
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#if defined(CONFIG_DRIVER_NET_MACB)
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static struct macb_platform_data macb0_pdata = {
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.phy_interface = PHY_INTERFACE_MODE_RMII,
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.phy_addr = 0,
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};
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static void ek_add_device_eth(void)
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{
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at91_add_device_eth(0, &macb0_pdata);
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}
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#else
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static void ek_add_device_eth(void) {}
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#endif
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#if defined(CONFIG_DRIVER_VIDEO_ATMEL_HLCD)
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static struct fb_videomode at91_tft_vga_modes[] = {
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{
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.name = "LG",
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.refresh = 60,
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.xres = 800, .yres = 480,
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.pixclock = KHZ2PICOS(33260),
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.left_margin = 88, .right_margin = 168,
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.upper_margin = 8, .lower_margin = 37,
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.hsync_len = 128, .vsync_len = 2,
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.sync = 0,
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.vmode = FB_VMODE_NONINTERLACED,
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},
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};
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/* Output mode is TFT 18 bits */
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#define BPP_OUT_DEFAULT_LCDCFG5 (LCDC_LCDCFG5_MODE_OUTPUT_18BPP)
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static struct atmel_lcdfb_platform_data ek_lcdc_data = {
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.lcdcon_is_backlight = true,
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.default_bpp = 16,
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.default_dmacon = ATMEL_LCDC_DMAEN,
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.default_lcdcon2 = BPP_OUT_DEFAULT_LCDCFG5,
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.guard_time = 9,
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.lcd_wiring_mode = ATMEL_LCDC_WIRING_RGB,
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.mode_list = at91_tft_vga_modes,
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.num_modes = ARRAY_SIZE(at91_tft_vga_modes),
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};
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static void ek_add_device_lcdc(void)
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{
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at91_add_device_lcdc(&ek_lcdc_data);
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}
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#else
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static void ek_add_device_lcdc(void) {}
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#endif
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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data mci1_data = {
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.bus_width = 4,
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.detect_pin = AT91_PIN_PE6,
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.wp_pin = -EINVAL,
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};
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static void ek_add_device_mci(void)
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{
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/* MMC1 */
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at91_add_device_mci(1, &mci1_data);
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/* power on MCI1 */
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at91_set_gpio_output(AT91_PIN_PE15, 0);
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}
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#else
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static void ek_add_device_mci(void) {}
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#endif
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#if defined(CONFIG_I2C_GPIO)
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struct qt1070_platform_data qt1070_pdata = {
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.irq_pin = AT91_PIN_PE25,
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};
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static struct i2c_board_info i2c_devices[] = {
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{
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.platform_data = &qt1070_pdata,
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I2C_BOARD_INFO("qt1070", 0x1b),
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},
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};
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static void ek_add_device_i2c(void)
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{
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at91_set_gpio_input(qt1070_pdata.irq_pin, 0);
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at91_set_deglitch(qt1070_pdata.irq_pin, 1);
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at91_add_device_i2c(0, i2c_devices, ARRAY_SIZE(i2c_devices));
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}
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#else
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static void ek_add_device_i2c(void) {}
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#endif
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#if defined(CONFIG_DRIVER_SPI_ATMEL)
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static const struct spi_board_info ek_spi_devices[] = {
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{
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.name = "m25p80",
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.chip_select = 0,
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.max_speed_hz = 30 * 1000 * 1000,
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.bus_num = 0,
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}
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};
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static unsigned spi0_standard_cs[] = { AT91_PIN_PC3 };
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static struct at91_spi_platform_data spi_pdata = {
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.chipselect = spi0_standard_cs,
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.num_chipselect = ARRAY_SIZE(spi0_standard_cs),
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};
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static void ek_add_device_spi(void)
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{
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spi_register_board_info(ek_spi_devices, ARRAY_SIZE(ek_spi_devices));
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at91_add_device_spi(0, &spi_pdata);
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}
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#else
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static void ek_add_device_spi(void) {}
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#endif
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#ifdef CONFIG_LED_GPIO
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struct gpio_led leds[] = {
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{
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.gpio = AT91_PIN_PE28,
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.active_low = 0,
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.led = {
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.name = "d8",
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},
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}, {
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.gpio = AT91_PIN_PE9,
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.active_low = 1,
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.led = {
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.name = "d9",
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},
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}, {
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.gpio = AT91_PIN_PE8,
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.active_low = 0,
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.led = {
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.name = "d10",
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},
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},
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};
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static void ek_add_led(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(leds); i++) {
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at91_set_gpio_output(leds[i].gpio, leds[i].active_low);
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led_gpio_register(&leds[i]);
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}
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led_set_trigger(LED_TRIGGER_HEARTBEAT, &leds[0].led);
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}
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#else
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static void ek_add_led(void) {}
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#endif
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static int sama5d4ek_mem_init(void)
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{
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at91_add_device_sdram(0);
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return 0;
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}
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mem_initcall(sama5d4ek_mem_init);
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static const struct devfs_partition sama5d4ek_nand0_partitions[] = {
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{
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.offset = 0x00000,
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.size = SZ_256K,
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.flags = DEVFS_PARTITION_FIXED,
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.name = "at91bootstrap_raw",
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.bbname = "at91bootstrap",
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}, {
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.offset = DEVFS_PARTITION_APPEND,
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.size = SZ_512K,
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.flags = DEVFS_PARTITION_FIXED,
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.name = "bootloader_raw",
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.bbname = "bootloader",
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}, {
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.offset = DEVFS_PARTITION_APPEND,
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.size = SZ_256K,
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.flags = DEVFS_PARTITION_FIXED,
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.name = "env_raw",
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.bbname = "env0",
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}, {
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.offset = DEVFS_PARTITION_APPEND,
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.size = SZ_256K,
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.flags = DEVFS_PARTITION_FIXED,
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.name = "env_raw1",
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.bbname = "env1",
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}, {
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/* sentinel */
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}
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};
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static int sama5d4ek_devices_init(void)
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{
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ek_add_device_i2c();
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ek_add_device_nand();
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ek_add_led();
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ek_add_device_eth();
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ek_add_device_spi();
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ek_add_device_mci();
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ek_add_device_lcdc();
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devfs_create_partitions("nand0", sama5d4ek_nand0_partitions);
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return 0;
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}
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device_initcall(sama5d4ek_devices_init);
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static int sama5d4ek_console_init(void)
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{
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barebox_set_model("Atmel sama5d4ek");
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barebox_set_hostname("sama5d4ek");
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at91_register_uart(4, 0);
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return 0;
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}
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console_initcall(sama5d4ek_console_init);
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static int sama5d4ek_main_clock(void)
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{
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at91_set_main_clock(12000000);
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return 0;
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}
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pure_initcall(sama5d4ek_main_clock);
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