443 lines
9.7 KiB
C
443 lines
9.7 KiB
C
/*
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* Copyright (C) 2012 Jean-Christophe PLAGNIOL-VILLARD <plagnioj@jcrosoft.com>
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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/board.h>
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#include <mach/at91sam9_smc.h>
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#include <mach/at91sam9_smc.h>
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#include <gpio.h>
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#include <mach/io.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 <poller.h>
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#include <linux/w1-gpio.h>
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#include <w1_mac_address.h>
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#include <spi/spi.h>
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#include <linux/clk.h>
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#include <linux/phy.h>
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#include <linux/micrel_phy.h>
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#include "hw_version.h"
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struct w1_gpio_platform_data w1_pdata = {
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.pin = AT91_PIN_PE25,
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.ext_pullup_enable_pin = -EINVAL,
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.is_open_drain = 0,
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};
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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 = 4,
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#if defined(CONFIG_MTD_NAND_ATMEL_BUSWIDTH_16)
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.bus_width_16 = 1,
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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 cm_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 = 6,
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.nrd_pulse = 4,
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.ncs_write_pulse = 5,
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.nwe_pulse = 3,
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.read_cycle = 6,
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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 = 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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/* setup bus-width (8 or 16) */
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if (nand_pdata.bus_width_16)
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cm_nand_smc_config.mode |= AT91_SMC_DBW_16;
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else
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cm_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, &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 gmac_pdata = {
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.phy_interface = PHY_INTERFACE_MODE_RGMII,
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.phy_addr = 7,
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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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static bool used_23 = false;
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static bool used_43 = false;
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static int ek_register_mac_address_23(int id)
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{
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if (used_23)
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return -EBUSY;
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used_23 = true;
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return w1_local_mac_address_register(id, "tml", "w1-23-0");
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}
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static int ek_register_mac_address_43(int id)
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{
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if (used_43)
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return -EBUSY;
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used_43 = true;
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return w1_local_mac_address_register(id, "tml", "w1-43-0");
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}
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static int ksz9021rn_phy_fixup(struct phy_device *phy)
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{
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int value;
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#define GMII_RCCPSR 260
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#define GMII_RRDPSR 261
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#define GMII_ERCR 11
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#define GMII_ERDWR 12
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/* Set delay values */
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value = GMII_RCCPSR | 0x8000;
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phy_write(phy, GMII_ERCR, value);
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value = 0xF2F4;
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phy_write(phy, GMII_ERDWR, value);
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value = GMII_RRDPSR | 0x8000;
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phy_write(phy, GMII_ERCR, value);
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value = 0x2222;
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phy_write(phy, GMII_ERDWR, value);
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return 0;
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}
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static void ek_add_device_eth(void)
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{
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if (w1_local_mac_address_register(0, "tml", "w1-2d-0"))
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if (ek_register_mac_address_23(0))
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ek_register_mac_address_43(0);
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if (ek_register_mac_address_23(1))
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ek_register_mac_address_43(1);
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phy_register_fixup_for_uid(PHY_ID_KSZ9021, MICREL_PHY_ID_MASK,
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ksz9021rn_phy_fixup);
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at91_add_device_eth(0, &gmac_pdata);
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at91_add_device_eth(1, &macb_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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/*
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* LCD Controller
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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 = "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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/* Default output mode is TFT 24 bit */
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#define BPP_OUT_DEFAULT_LCDCFG5 (LCDC_LCDCFG5_MODE_OUTPUT_24BPP)
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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 = 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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/*
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* MCI (SD/MMC)
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*/
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static struct atmel_mci_platform_data mci0_data = {
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.bus_width = 4,
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.detect_pin = AT91_PIN_PD17,
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.wp_pin = -EINVAL,
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};
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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_PD18,
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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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/* MMC0 */
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at91_add_device_mci(0, &mci0_data);
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/* MMC1 */
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at91_add_device_mci(1, &mci1_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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#if defined(CONFIG_I2C_GPIO)
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struct qt1070_platform_data qt1070_pdata = {
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.irq_pin = AT91_PIN_PE31,
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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(1, i2c_devices, ARRAY_SIZE(i2c_devices));
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at91_add_device_i2c(0, NULL, 0);
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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_PD13 };
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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_PE24,
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.active_low = 1,
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.led = {
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.name = "d1",
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},
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}, {
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.gpio = AT91_PIN_PE25,
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.active_low = 1,
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.led = {
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.name = "d2",
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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 at91sama5d3xek_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(at91sama5d3xek_mem_init);
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static void ek_add_device_w1(void)
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{
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at91_set_gpio_input(w1_pdata.pin, 0);
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at91_set_multi_drive(w1_pdata.pin, 1);
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add_generic_device_res("w1-gpio", DEVICE_ID_SINGLE, NULL, 0, &w1_pdata);
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at91sama5d3xek_devices_detect_hw();
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}
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#ifdef CONFIG_POLLER
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/*
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* The SiI9022A (HDMI) and QT1070 share the same irq
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* but if the SiI9022A is not reset the irq is pull down
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* So do it. As the SiI9022A need 1s to reset (500ms up then 500ms down then up)
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* do it poller to do not slow down the boot
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*/
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static int hdmi_reset_pin = AT91_PIN_PC31;
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static uint64_t hdmi_reset_start;
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struct poller_struct hdmi_poller;
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static void hdmi_on_poller(struct poller_struct *poller)
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{
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if (!is_timeout_non_interruptible(hdmi_reset_start, 500 * MSECOND))
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return;
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gpio_set_value(hdmi_reset_pin, 1);
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poller_unregister(poller);
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ek_add_device_i2c();
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}
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static void hdmi_off_poller(struct poller_struct *poller)
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{
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if (!is_timeout_non_interruptible(hdmi_reset_start, 500 * MSECOND))
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return;
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gpio_set_value(hdmi_reset_pin, 0);
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hdmi_reset_start = get_time_ns();
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poller->func = hdmi_on_poller;
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}
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static void ek_add_device_hdmi(void)
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{
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at91_set_gpio_output(hdmi_reset_pin, 1);
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hdmi_reset_start = get_time_ns();
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hdmi_poller.func = hdmi_off_poller;
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poller_register(&hdmi_poller);
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}
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#else
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static void ek_add_device_hdmi(void)
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{
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ek_add_device_i2c();
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}
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#endif
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static int at91sama5d3xek_devices_init(void)
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{
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ek_add_device_w1();
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ek_add_device_hdmi();
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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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armlinux_set_bootparams((void *)(SAMA5_DDRCS + 0x100));
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devfs_add_partition("nand0", 0x00000, SZ_256K, 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_256K, SZ_256K + SZ_128K, 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_512K + SZ_256K, SZ_256K, 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_1M, SZ_256K, DEVFS_PARTITION_FIXED, "env_raw1");
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dev_add_bb_dev("env_raw1", "env1");
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return 0;
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}
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device_initcall(at91sama5d3xek_devices_init);
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static int at91sama5d3xek_console_init(void)
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{
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at91_register_uart(0, 0);
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at91_register_uart(2, 0);
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return 0;
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}
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console_initcall(at91sama5d3xek_console_init);
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static int at91sama5d3xek_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(at91sama5d3xek_main_clock);
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