295 lines
6.9 KiB
C
295 lines
6.9 KiB
C
/*
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* Copyright (C) 2009 Jean-Christophe PLAGNIOL-VILLARD <plagnio@jcrosoft.com>
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*
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* Copyright (C) 2007 Sascha Hauer, Pengutronix
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*
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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 <generated/mach-types.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 <asm/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/at91_pmc.h>
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#include <mach/board.h>
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#include <mach/iomux.h>
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#include <gpio.h>
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#include <mach/io.h>
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#include <mach/at91sam9_smc.h>
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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 = AT91_PIN_PA22,
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.enable_pin = AT91_PIN_PD15,
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#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
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.bus_width_16 = 1,
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#else
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.bus_width_16 = 0,
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#endif
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.on_flash_bbt = 1,
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};
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static struct sam9_smc_config ek_nand_smc_config = {
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.ncs_read_setup = 0,
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.nrd_setup = 1,
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.ncs_write_setup = 0,
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.nwe_setup = 1,
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.ncs_read_pulse = 3,
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.nrd_pulse = 3,
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.ncs_write_pulse = 3,
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.nwe_pulse = 3,
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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 = 2,
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};
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static void ek_add_device_nand(void)
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{
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/* setup bus-width (8 or 16) */
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if (nand_pdata.bus_width_16)
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ek_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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ek_nand_smc_config.mode |= AT91_SMC_DBW_8;
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/* configure chip-select 3 (NAND) */
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sam9_smc_configure(0, 3, &ek_nand_smc_config);
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at91_add_device_nand(&nand_pdata);
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}
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static struct macb_platform_data macb_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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#if defined(CONFIG_MCI_ATMEL)
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static struct atmel_mci_platform_data __initdata ek_mci_data = {
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.bus_width = 4,
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.detect_pin = AT91_PIN_PE18,
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.wp_pin = AT91_PIN_PE19,
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};
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static void ek_add_device_mci(void)
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{
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at91_add_device_mci(1, &ek_mci_data);
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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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#ifdef CONFIG_LED_GPIO
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struct gpio_led ek_leds[] = {
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{
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.gpio = AT91_PIN_PC29,
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.active_low = 1,
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.led = {
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.name = "ds2",
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},
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}, {
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.gpio = AT91_PIN_PB7,
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.led = {
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.name = "ds3",
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},
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},
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};
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static void ek_device_add_leds(void)
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{
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int i;
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for (i = 0; i < ARRAY_SIZE(ek_leds); i++) {
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at91_set_gpio_output(ek_leds[i].gpio, ek_leds[i].active_low);
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led_gpio_register(&ek_leds[i]);
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}
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led_set_trigger(LED_TRIGGER_HEARTBEAT, &ek_leds[1].led);
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}
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#else
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static void ek_device_add_leds(void) {}
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#endif
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#if defined(CONFIG_USB_GADGET_DRIVER_AT91)
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/*
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* USB Device port
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*/
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static struct at91_udc_data __initdata ek_udc_data = {
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.vbus_pin = AT91_PIN_PA25,
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.pullup_pin = -EINVAL, /* pull-up driven by UDC */
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};
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static void ek_add_device_udc(void)
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{
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at91_add_device_udc(&ek_udc_data);
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}
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#else
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static void ek_add_device_udc(void) {}
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#endif
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/*
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* LCD Controller
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*/
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#if defined(CONFIG_DRIVER_VIDEO_ATMEL)
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static int ek_gpio_request_output(int gpio, const char *name)
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{
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int ret;
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ret = gpio_request(gpio, name);
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if (ret) {
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pr_err("%s: can not request gpio %d (%d)\n", name, gpio, ret);
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return ret;
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}
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ret = gpio_direction_output(gpio, 1);
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if (ret)
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pr_err("%s: can not configure gpio %d as output (%d)\n", name, gpio, ret);
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return ret;
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}
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static struct fb_videomode at91_tft_vga_modes[] = {
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{
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.name = "TX09D50VM1CCA @ 60",
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.refresh = 60,
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.xres = 240, .yres = 320,
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.pixclock = KHZ2PICOS(4965),
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.left_margin = 1, .right_margin = 33,
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.upper_margin = 1, .lower_margin = 0,
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.hsync_len = 5, .vsync_len = 1,
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.sync = FB_SYNC_HOR_HIGH_ACT | FB_SYNC_VERT_HIGH_ACT,
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.vmode = FB_VMODE_NONINTERLACED,
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},
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};
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#define AT91SAM9263_DEFAULT_LCDCON2 (ATMEL_LCDC_MEMOR_LITTLE \
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| ATMEL_LCDC_DISTYPE_TFT \
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| ATMEL_LCDC_CLKMOD_ALWAYSACTIVE)
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static void at91_lcdc_power_control(int on)
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{
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gpio_set_value(AT91_PIN_PA30, on);
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}
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/* Driver datas */
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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 = AT91SAM9263_DEFAULT_LCDCON2,
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.guard_time = 1,
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.atmel_lcdfb_power_control = at91_lcdc_power_control,
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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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if (ek_gpio_request_output(AT91_PIN_PA30, "lcdc_power"))
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return;
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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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static void __init ek_add_device_buttons(void)
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{
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at91_set_gpio_input(AT91_PIN_PC5, 1);
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at91_set_deglitch(AT91_PIN_PC5, 1);
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export_env_ull("dfu_button", AT91_PIN_PC5);
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at91_set_gpio_input(AT91_PIN_PC4, 1);
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at91_set_deglitch(AT91_PIN_PC4, 1);
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export_env_ull("right_click", AT91_PIN_PC4);
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}
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static int at91sam9263ek_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(at91sam9263ek_mem_init);
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static int at91sam9263ek_devices_init(void)
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{
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/*
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* PB27 enables the 50MHz oscillator for Ethernet PHY
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* 1 - enable
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* 0 - disable
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*/
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at91_set_gpio_output(AT91_PIN_PB27, 1);
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gpio_set_value(AT91_PIN_PB27, 1); /* 1- enable, 0 - disable */
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ek_add_device_nand();
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at91_add_device_eth(0, &macb_pdata);
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add_cfi_flash_device(0, AT91_CHIPSELECT_0, 8 * 1024 * 1024, 0);
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ek_add_device_mci();
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ek_device_add_leds();
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ek_add_device_udc();
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ek_add_device_buttons();
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ek_add_device_lcdc();
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if (IS_ENABLED(CONFIG_DRIVER_CFI) && cdev_by_name("nor0")) {
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devfs_add_partition("nor0", 0x00000, 0x40000, DEVFS_PARTITION_FIXED, "self");
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devfs_add_partition("nor0", 0x40000, 0x20000, DEVFS_PARTITION_FIXED, "env0");
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} else if (IS_ENABLED(CONFIG_NAND_ATMEL)) {
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devfs_add_partition("nand0", 0x00000, SZ_128K, DEVFS_PARTITION_FIXED, "at91bootstrap_raw");
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dev_add_bb_dev("at91bootstrap_raw", "at91bootstrap");
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devfs_add_partition("nand0", SZ_128K, SZ_256K, DEVFS_PARTITION_FIXED, "self_raw");
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dev_add_bb_dev("self_raw", "self0");
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devfs_add_partition("nand0", SZ_256K + SZ_128K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw");
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dev_add_bb_dev("env_raw", "env0");
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devfs_add_partition("nand0", SZ_512K, SZ_128K, DEVFS_PARTITION_FIXED, "env_raw1");
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dev_add_bb_dev("env_raw1", "env1");
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}
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armlinux_set_bootparams((void *)(AT91_CHIPSELECT_1 + 0x100));
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armlinux_set_architecture(MACH_TYPE_AT91SAM9263EK);
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return 0;
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}
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device_initcall(at91sam9263ek_devices_init);
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static int at91sam9263ek_console_init(void)
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{
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at91_register_uart(0, 0);
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return 0;
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}
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console_initcall(at91sam9263ek_console_init);
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static int at91sam9263ek_main_clock(void)
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{
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at91_set_main_clock(16367660);
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return 0;
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}
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pure_initcall(at91sam9263ek_main_clock);
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