429 lines
11 KiB
C
429 lines
11 KiB
C
/*
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* arch/sh/boards/mach-hdk7106/setup.c
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*
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* Copyright (C) 2009 STMicroelectronics Limited
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* Author: Pawel Moll (pawel.moll@st.com)
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*
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* May be copied or modified under the terms of the GNU General Public
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* License. See linux/COPYING for more information.
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*/
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#include <linux/init.h>
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#include <linux/platform_device.h>
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#include <linux/delay.h>
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#include <linux/io.h>
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#include <linux/phy.h>
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#include <linux/gpio.h>
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#include <linux/leds.h>
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#include <linux/tm1668.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/physmap.h>
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#include <linux/stm/pci-glue.h>
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#include <linux/stm/platform.h>
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#include <linux/stm/stx7105.h>
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#include <linux/stm/sysconf.h>
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#include <linux/stm/emi.h>
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#include <asm/irq-ilc.h>
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/*
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* FLASH setup depends on board boot configuration:
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*
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* boot-from-
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* Mode Pins NOR NAND SPI
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* ---------------- ----- ----- -----
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* JE8-1 (Mode5) ON (E) OFF (W) ON (E)
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* JE8-2 (Mode6) ON (E) ON (E) OFF (W)
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* JE6-1 (Mode7) ON (W) ON (W) ON (W)
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* JE6-2 (Mode8) ON (W) OFF (E) OFF (E)
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*
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* CS-Routing
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* ----------------
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* JE2 1-2 (N) 2-3 (S) 2-3 (S)
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* JE11 1-2 (N) 2-3 (S) 2-3 (S)
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*
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* Post-boot Access
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* ----------------
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* NOR (limit) EMIA (64MB) EMIB (8MB) EMIB (8MB)
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* NAND EMIB/FLEXB FLEXA FLEXA
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* SPI SPIFSM SPIFSM SPIFSM
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*
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* Switch positions given in terms of (N)orth, (E)ast, (S)outh, and (W)est,
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* viewing board with LED display South and power connector North.
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*
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*/
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#define HDK7106_PIO_POWER_ON_ETHERNET stm_gpio(4, 2)
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#define HDK7106_PIO_POWER_ON stm_gpio(4, 3)
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#define HDK7106_PIO_PCI_SERR stm_gpio(15, 7)
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static void __init hdk7106_setup(char **cmdline_p)
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{
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printk(KERN_INFO "STMicroelectronics HDK7106 board initialisation\n");
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stx7105_early_device_init();
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stx7105_configure_asc(2, &(struct stx7105_asc_config) {
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.routing.asc2 = stx7105_asc2_pio4,
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.hw_flow_control = 0,
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.is_console = 1, });
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}
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static struct platform_device hdk7106_leds = {
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.name = "leds-gpio",
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.id = -1,
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.dev.platform_data = &(struct gpio_led_platform_data) {
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.num_leds = 1,
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.leds = (struct gpio_led[]) {
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{
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.name = "FP green",
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.default_trigger = "heartbeat",
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.gpio = stm_gpio(3, 1),
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.active_low = 1,
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},
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},
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},
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};
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static struct tm1668_key hdk7106_front_panel_keys[] = {
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{ 0x00001000, KEY_UP, "Up (SWF2)" },
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{ 0x00800000, KEY_DOWN, "Down (SWF7)" },
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{ 0x00008000, KEY_LEFT, "Left (SWF6)" },
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{ 0x00000010, KEY_RIGHT, "Right (SWF5)" },
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{ 0x00000080, KEY_ENTER, "Enter (SWF1)" },
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{ 0x00100000, KEY_ESC, "Escape (SWF4)" },
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};
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static struct tm1668_character hdk7106_front_panel_characters[] = {
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TM1668_7_SEG_HEX_DIGITS,
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TM1668_7_SEG_HEX_DIGITS_WITH_DOT,
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TM1668_7_SEG_SEGMENTS,
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};
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static struct platform_device hdk7106_front_panel = {
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.name = "tm1668",
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.id = -1,
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.dev.platform_data = &(struct tm1668_platform_data) {
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.gpio_dio = stm_gpio(5, 1),
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.gpio_sclk = stm_gpio(5, 0),
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.gpio_stb = stm_gpio(5, 2),
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.config = tm1668_config_6_digits_12_segments,
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.keys_num = ARRAY_SIZE(hdk7106_front_panel_keys),
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.keys = hdk7106_front_panel_keys,
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.keys_poll_period = DIV_ROUND_UP(HZ, 5),
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.brightness = 8,
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.characters_num = ARRAY_SIZE(hdk7106_front_panel_characters),
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.characters = hdk7106_front_panel_characters,
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.text = "7106",
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},
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};
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/* PCI configuration */
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static struct stm_plat_pci_config hdk7106_pci_config = {
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.pci_irq = {
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[0] = PCI_PIN_DEFAULT,
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[1] = PCI_PIN_DEFAULT,
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[2] = PCI_PIN_UNUSED,
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[3] = PCI_PIN_UNUSED
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},
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.serr_irq = PCI_PIN_UNUSED, /* SERR PIO is shared with MII1_CRS */
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.idsel_lo = 30,
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.idsel_hi = 30,
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.req_gnt = {
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[0] = PCI_PIN_DEFAULT,
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[1] = PCI_PIN_UNUSED,
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[2] = PCI_PIN_UNUSED,
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[3] = PCI_PIN_UNUSED
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},
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.pci_clk = 33333333,
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.pci_reset_gpio = HDK7106_PIO_PCI_SERR,
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};
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int pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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/* We can use the standard function on this board */
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return stx7105_pcibios_map_platform_irq(&hdk7106_pci_config, pin);
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}
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static int hdk7106_phy_reset(void *bus)
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{
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gpio_set_value(HDK7106_PIO_POWER_ON_ETHERNET, 0);
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udelay(10000); /* 10 milliseconds is enough for everyone ;-) */
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gpio_set_value(HDK7106_PIO_POWER_ON_ETHERNET, 1);
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return 1;
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}
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static struct stmmac_mdio_bus_data stmmac0_mdio_bus = {
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.bus_id = 0,
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.phy_reset = hdk7106_phy_reset,
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.phy_mask = 0,
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};
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#ifdef CONFIG_SH_ST_HDK7106_STMMAC1
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static struct stmmac_mdio_bus_data stmmac1_mdio_bus = {
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.bus_id = 1,
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.phy_reset = hdk7106_phy_reset,
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.phy_mask = 0,
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};
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#endif
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/* NOR Flash */
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static struct platform_device hdk7106_nor_flash = {
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.name = "physmap-flash",
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.id = -1,
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.num_resources = 1,
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.resource = (struct resource[]) {
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{
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.start = 0x00000000,
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.end = 128*1024*1024 - 1,
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.flags = IORESOURCE_MEM,
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}
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},
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.dev.platform_data = &(struct physmap_flash_data) {
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.width = 2,
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.set_vpp = NULL,
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.nr_parts = 3,
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.parts = (struct mtd_partition []) {
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{
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.name = "NOR Flash 1",
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.size = 0x00080000,
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.offset = 0x00000000,
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}, {
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.name = "NOR Flash 2",
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.size = 0x00200000,
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.offset = MTDPART_OFS_NXTBLK,
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}, {
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.name = "NOR Flash 3",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_NXTBLK,
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}
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},
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},
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};
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/* NAND Flash */
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struct stm_nand_bank_data hdk7106_nand_flash = {
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.csn = 1,
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.options = NAND_NO_AUTOINCR | NAND_USE_FLASH_BBT,
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.nr_partitions = 2,
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.partitions = (struct mtd_partition []) {
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{
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.name = "NAND Flash 1",
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.offset = 0,
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.size = 0x00800000
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}, {
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.name = "NAND Flash 2",
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.offset = MTDPART_OFS_NXTBLK,
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.size = MTDPART_SIZ_FULL
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},
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},
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.timing_data = &(struct stm_nand_timing_data) {
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.sig_setup = 50, /* times in ns */
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.sig_hold = 50,
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.CE_deassert = 0,
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.WE_to_RBn = 100,
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.wr_on = 10,
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.wr_off = 40,
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.rd_on = 10,
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.rd_off = 40,
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.chip_delay = 30, /* in us */
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},
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};
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/* Serial Flash */
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static struct stm_plat_spifsm_data hdk7106_serial_flash = {
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.name = "m25p32",
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.nr_parts = 2,
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.parts = (struct mtd_partition []) {
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{
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.name = "Serial Flash 1",
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.size = 0x00080000,
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.offset = 0,
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}, {
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.name = "Serial Flash 2",
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.size = MTDPART_SIZ_FULL,
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.offset = MTDPART_OFS_NXTBLK,
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},
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},
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};
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static struct platform_device *hdk7106_devices[] __initdata = {
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&hdk7106_leds,
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&hdk7106_front_panel,
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&hdk7106_nor_flash,
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};
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static int __init device_init(void)
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{
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struct sysconf_field *sc;
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u32 boot_mode;
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unsigned long nor_bank_base = 0;
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unsigned long nor_bank_size = 0;
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/* Configure Flash according to boot-device */
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sc = sysconf_claim(SYS_STA, 1, 5, 8, "boot_device");
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boot_mode = sysconf_read(sc);
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if (boot_mode == 0 || boot_mode == 5) {
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/* Boot-from-NOR */
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pr_info("Configuring FLASH for boot-from-NOR\n");
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nor_bank_base = emi_bank_base(0);
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nor_bank_size = emi_bank_base(1) - nor_bank_base;
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hdk7106_nand_flash.csn = 1;
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} else if ((boot_mode > 0 && boot_mode < 5) ||
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(boot_mode > 5 && boot_mode < 10)) {
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/* Boot-from-NAND */
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pr_info("Configuring FLASH for boot-from-NAND\n");
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nor_bank_base = emi_bank_base(1);
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nor_bank_size = emi_bank_base(2) - nor_bank_base;
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hdk7106_nand_flash.csn = 0;
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} else if (boot_mode == 10 || boot_mode == 11) {
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/* Boot-from-SPI */
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pr_info("Configuring FLASH for boot-from-SPI\n");
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nor_bank_base = emi_bank_base(1);
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nor_bank_size = emi_bank_base(2) - nor_bank_base;
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hdk7106_nand_flash.csn = 0;
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} else {
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BUG();
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}
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sysconf_release(sc);
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/* Update NOR Flash base address and size: */
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/* - limit bank size to 64MB (some targetpacks define 128MB!) */
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if (nor_bank_size > 64*1024*1024)
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nor_bank_size = 64*1024*1024;
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/* - reduce visibility of NOR flash to EMI bank size */
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if (hdk7106_nor_flash.resource[0].end > nor_bank_size - 1)
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hdk7106_nor_flash.resource[0].end = nor_bank_size - 1;
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/* - update resource parameters */
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hdk7106_nor_flash.resource[0].start += nor_bank_base;
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hdk7106_nor_flash.resource[0].end += nor_bank_base;
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/* Setup the PCI_SERR# PIO */
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if (gpio_request(HDK7106_PIO_PCI_SERR, "PCI_SERR#") == 0) {
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gpio_direction_input(HDK7106_PIO_PCI_SERR);
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hdk7106_pci_config.serr_irq =
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gpio_to_irq(HDK7106_PIO_PCI_SERR);
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set_irq_type(hdk7106_pci_config.serr_irq, IRQ_TYPE_LEVEL_LOW);
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} else {
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printk(KERN_WARNING "hdk7106: Failed to claim PCI SERR PIO!\n");
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}
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stx7105_configure_pci(&hdk7106_pci_config);
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stx7105_configure_sata(0);
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stx7105_configure_sata(1);
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/* I2C_xxxA - HDMI */
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stx7105_configure_ssc_i2c(0, &(struct stx7105_ssc_config) {
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.routing.ssc0.sclk = stx7105_ssc0_sclk_pio2_2,
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.routing.ssc0.mtsr = stx7105_ssc0_mtsr_pio2_3, });
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/* I2C_xxxB - US2 (EEPROM), JV4 (SCART board connector),
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* UV1 (AV buffer & filter), JN6 (MII1 connector),
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* JN1 (NIM), JN3 */
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stx7105_configure_ssc_i2c(1, &(struct stx7105_ssc_config) {
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.routing.ssc1.sclk = stx7105_ssc1_sclk_pio2_5,
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.routing.ssc1.mtsr = stx7105_ssc1_mtsr_pio2_6, });
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/* I2C_xxxD - JN2 (NIM), JN4 */
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stx7105_configure_ssc_i2c(3, &(struct stx7105_ssc_config) {
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.routing.ssc3.sclk = stx7105_ssc3_sclk_pio3_6,
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.routing.ssc3.mtsr = stx7105_ssc3_mtsr_pio3_7, });
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stx7105_configure_usb(0, &(struct stx7105_usb_config) {
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.ovrcur_mode = stx7105_usb_ovrcur_active_low,
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.pwr_enabled = 1,
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.routing.usb0.ovrcur = stx7105_usb0_ovrcur_pio4_4,
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.routing.usb0.pwr = stx7105_usb0_pwr_pio4_5, });
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stx7105_configure_usb(1, &(struct stx7105_usb_config) {
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.ovrcur_mode = stx7105_usb_ovrcur_active_low,
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.pwr_enabled = 1,
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.routing.usb1.ovrcur = stx7105_usb1_ovrcur_pio4_6,
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.routing.usb1.pwr = stx7105_usb1_pwr_pio4_7, });
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/* The "POWER_ON_ETH" line should be rather called "PHY_RESET",
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* but it isn't... ;-) */
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gpio_request(HDK7106_PIO_POWER_ON_ETHERNET, "POWER_ON_ETHERNET");
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gpio_direction_output(HDK7106_PIO_POWER_ON_ETHERNET, 0);
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/* Some of the peripherals are powered by regulators
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* triggered by the following PIO line... */
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gpio_request(HDK7106_PIO_POWER_ON, "POWER_ON");
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gpio_direction_output(HDK7106_PIO_POWER_ON, 1);
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stx7105_configure_ethernet(0, &(struct stx7105_ethernet_config) {
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.mode = stx7105_ethernet_mode_mii,
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.ext_clk = 0,
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.phy_bus = 0,
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.phy_addr = 1,
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.mdio_bus_data = &stmmac0_mdio_bus,
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});
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#ifdef CONFIG_SH_ST_HDK7106_STMMAC1
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stx7105_configure_ethernet(1, &(struct stx7105_ethernet_config) {
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.mode = stx7105_ethernet_mode_mii,
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.routing.mii1.mdio = stx7105_ethernet_mii1_mdio_pio3_4,
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.routing.mii1.mdc = stx7105_ethernet_mii1_mdc_pio3_5,
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.ext_clk = 1,
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.phy_bus = 1,
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.phy_addr = -1,
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.mdio_bus_data = &stmmac1_mdio_bus,
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});
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#endif
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stx7105_configure_lirc(NULL);
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stx7105_configure_audio(&(struct stx7105_audio_config) {
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.spdif_player_output_enabled = 1, });
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/* HW note:
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* There is and error on the 7106-HDK MMC daughter board V 1.0
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* schematics.
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* The STMPS2151STR Pin 4 should be 'EN' and the Pin 5 should be
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* 'Power_IN'. These are reverse.
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*/
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stx7105_configure_mmc();
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stx7105_configure_nand(&(struct stm_nand_config) {
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.driver = stm_nand_flex,
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.nr_banks = 1,
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.banks = &hdk7106_nand_flash,
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.rbn.flex_connected = 1,});
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stx7106_configure_spifsm(&hdk7106_serial_flash);
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return platform_add_devices(hdk7106_devices,
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ARRAY_SIZE(hdk7106_devices));
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}
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arch_initcall(device_init);
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static void __iomem *hdk7106_ioport_map(unsigned long port, unsigned int size)
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{
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/* If we have PCI then this should never be called because we
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* are using the generic iomap implementation. If we don't
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* have PCI then there are no IO mapped devices, so it still
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* shouldn't be called. */
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BUG();
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return NULL;
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}
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struct sh_machine_vector mv_hdk7106 __initmv = {
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.mv_name = "hdk7106",
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.mv_setup = hdk7106_setup,
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.mv_nr_irqs = NR_IRQS,
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.mv_ioport_map = hdk7106_ioport_map,
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STM_PCI_IO_MACHINE_VEC
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};
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