462 lines
12 KiB
C
462 lines
12 KiB
C
/*
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* arch/sh/boards/mach-eud7141/setup.c
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*
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* Copyright (C) 2010 STMicroelectronics Limited
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* Author: Stuart Menefy (stuart.menefy@st.com)
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* Author: Srinivas.Kandagatla (srinivas.kandagatla@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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* STMicroelectronics STx7141 EUD Reference Board support.
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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/lirc.h>
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#include <linux/gpio.h>
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#include <linux/gpio_keys.h>
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#include <linux/tm1668.h>
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#include <linux/leds.h>
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#include <linux/input.h>
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#include <linux/stm/emi.h>
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#include <linux/stm/platform.h>
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#include <linux/stm/stx7141.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/flash.h>
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#include <linux/mtd/mtd.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/mtd/partitions.h>
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#include <asm/irq-ilc.h>
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#include <asm/irl.h>
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#include <sound/stm.h>
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#define EUD7141_PIO_PHY_RESET stm_gpio(5, 3)
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static void __init eud7141_setup(char **cmdline_p)
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{
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printk(KERN_INFO "STMicroelectronics STx7141 EUD Reference Board initialisation\n");
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stx7141_early_device_init();
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/* For "STi7141-EUD Wave V1.1A" Board, Smart card cable needs to be
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* unplugged if you want to control console */
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stx7141_configure_asc(2, &(struct stx7141_asc_config) {
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.is_console = 1, });
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}
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/* NOR Flash */
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static struct platform_device eud7141_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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/* updated in eud7141_device_init() */
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STM_PLAT_RESOURCE_MEM(0, 128*1024*1024),
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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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.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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static struct stm_nand_bank_data eud7141_nand_flash = {
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.csn = 0, /* updated in eud7141_device_init() */
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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 = 10, /* times in ns */
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.sig_hold = 10,
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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 = 30,
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.rd_on = 10,
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.rd_off = 30,
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.chip_delay = 40, /* in us */
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},
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};
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/* Serial Flash */
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static struct spi_board_info eud7141_serial_flash = {
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.modalias = "m25p80",
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.bus_num = 0,
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.max_speed_hz = 7000000,
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.mode = SPI_MODE_3,
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.chip_select = stm_gpio(2, 5),
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.platform_data = &(struct flash_platform_data) {
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.name = "m25p80",
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.type = "m25px64",
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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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};
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/* FrontPanel */
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static struct platform_device eud7141_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(7, 6),
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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 eud7141_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 eud7141_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 eud7141_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(15, 5),
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.gpio_sclk = stm_gpio(15, 6),
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.gpio_stb = stm_gpio(15, 4),
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.config = tm1668_config_6_digits_12_segments,
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.keys_num = ARRAY_SIZE(eud7141_front_panel_keys),
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.keys = eud7141_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(eud7141_front_panel_characters),
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.characters = eud7141_front_panel_characters,
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.text = "7141",
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},
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};
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static int eud7141_phy_reset(void *bus)
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{
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static int first = 1;
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/* Both PHYs share the same reset signal, only act on the first. */
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if (!first)
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return 1;
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first = 0;
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printk(KERN_DEBUG "Resetting PHY\n");
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gpio_set_value(EUD7141_PIO_PHY_RESET, 1);
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udelay(10);
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gpio_set_value(EUD7141_PIO_PHY_RESET, 0);
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mdelay(50);
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gpio_set_value(EUD7141_PIO_PHY_RESET, 1);
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udelay(10);
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return 1;
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}
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#ifdef CONFIG_SH_ST_EUD7141_STMMAC0
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#define STMMAC0_PHY_ADDR 1
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static int stmmac0_phy_irqs[PHY_MAX_ADDR] = {
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[STMMAC0_PHY_ADDR] = ILC_IRQ(43),
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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 = eud7141_phy_reset,
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.phy_mask = 0,
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.irqs = stmmac0_phy_irqs,
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};
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#endif
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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 = eud7141_phy_reset,
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.phy_mask = 0,
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};
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#ifdef CONFIG_SND
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#define STV6417_REG_COUNT (9)
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static int eud7141_scart_av_init(struct i2c_client *client, void *priv)
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{
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/* Refer to STV6417/18 AN001 for More details on register values */
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char cmd[STV6417_REG_COUNT * 2] = { 0x00, 0x00,
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0x01, 0x09, /* Audio Enable */
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0x02, 0x11, /* Encoder input for TV & VCR SCART */
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0x03, 0x00,
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0x04, 0xa0, /* Bi-directional Y/C connections ??*/
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0x05, 0x81, /* Video encoder DC-coupled */
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0x06, 0x00,
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0x07, 0x00, /* Detection Disabled */
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0x08, 0x00 /* All I/0 out of standby */
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};
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struct i2c_adapter *adap = client->adapter;
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struct i2c_msg msg[STV6417_REG_COUNT];
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int i;
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for (i = 0 ; i < STV6417_REG_COUNT ; i++) {
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msg[i].addr = client->addr;
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msg[i].flags = client->flags & I2C_M_TEN;
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msg[i].len = sizeof(char) * 2;
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msg[i].buf = &cmd[i*2];
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}
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return i2c_transfer(adap, &msg[0], STV6417_REG_COUNT);
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}
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static int eud7141_comp_av_init(struct i2c_client *client, void *priv)
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{
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char cmd[] = { 0x0, 0x00 };
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int cmd_len = sizeof(cmd);
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i2c_master_send(client, cmd, cmd_len);
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cmd[0] = 0x1;
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cmd[1] = 0x0;
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i2c_master_send(client, cmd, cmd_len);
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return 0;
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}
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static struct i2c_board_info eud7141_av_ctrl[] = {
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/* Component Audio/Video outputs control */
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{
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I2C_BOARD_INFO("snd_conv_i2c", 0x4a),
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.type = "STV6440",
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.platform_data = &(struct snd_stm_conv_i2c_info)
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{
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.group = "Analog Output",
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.source_bus_id = "snd_pcm_player.1",
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.channel_from = 0,
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.channel_to = 1,
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.format = SND_STM_FORMAT__I2S |
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SND_STM_FORMAT__SUBFRAME_32_BITS,
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.oversampling = 256,
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.mute_supported = 1,
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.mute_cmd = (char []){ 0x00, 0x80 },
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.mute_cmd_len = 2,
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.init = eud7141_comp_av_init,
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.enable_supported = 1,
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.enable_cmd = (char []){ 0x00, 0x00 },
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.enable_cmd_len = 2,
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.disable_cmd = (char []){ 0x00, 0x80 },
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.disable_cmd_len = 2,
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},
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},
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/* Audio/Video on SCART outputs control */
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{
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I2C_BOARD_INFO("snd_conv_i2c", 0x4b),
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.type = "STV6417",
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.platform_data = &(struct snd_stm_conv_i2c_info)
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{
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.group = "Analog Output",
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.source_bus_id = "snd_pcm_player.1",
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.channel_from = 0,
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.channel_to = 1,
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.format = SND_STM_FORMAT__I2S |
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SND_STM_FORMAT__SUBFRAME_32_BITS,
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.oversampling = 256,
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.init = eud7141_scart_av_init,
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.enable_supported = 1,
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.enable_cmd = (char []){ 0x01, 0x09 },
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.enable_cmd_len = 2,
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.disable_cmd = (char []){ 0x01, 0x00 },
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.disable_cmd_len = 2,
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},
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},
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};
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#endif
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static struct platform_device *eud7141_devices[] __initdata = {
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&eud7141_leds,
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&eud7141_front_panel,
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&eud7141_nor_flash,
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};
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static int __init eud7141_device_init(void)
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{
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struct sysconf_field *sc;
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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, 16, 17, "boot_mode");
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switch (sysconf_read(sc)) {
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case 0x0:
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/* Boot-from-NOR (ensure J2:1-2)
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* EMIA -> NOR
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* EMIB -> NOR (+FMI_A26: offset 0x4000000)
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* EMIC -> NAND
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*/
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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(2) - nor_bank_base;
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eud7141_nand_flash.csn = 2;
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break;
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case 0x1:
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/* Boot-from-NAND (ensure J2:2-3)
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* EMIA -> NAND
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* EMIB -> NOR
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* [EMIC -> NOR (+FMI_A26 0x4000000) not used]
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*/
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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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eud7141_nand_flash.csn = 0;
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break;
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default:
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pr_info("Invalid boot mode.\n");
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BUG();
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break;
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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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/* - reduce visibility of NOR flash to EMI bank size */
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if (eud7141_nor_flash.resource[0].end > nor_bank_size - 1)
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eud7141_nor_flash.resource[0].end = nor_bank_size - 1;
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/* - update resource parameters */
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eud7141_nor_flash.resource[0].start += nor_bank_base;
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eud7141_nor_flash.resource[0].end += nor_bank_base;
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stx7141_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 = &eud7141_nand_flash,
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.rbn.flex_connected = 1,});
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stx7141_configure_ssc_spi(0, NULL);
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stx7141_configure_ssc_i2c(2);
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stx7141_configure_ssc_i2c(3);
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stx7141_configure_ssc_i2c(4);
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stx7141_configure_ssc_i2c(5);
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stx7141_configure_ssc_i2c(6);
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stx7141_configure_usb(0, &(struct stx7141_usb_config) {
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.ovrcur_mode = stx7141_usb_ovrcur_active_low,
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.pwr_enabled = 1 });
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stx7141_configure_usb(1, &(struct stx7141_usb_config) {
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.ovrcur_mode = stx7141_usb_ovrcur_active_low,
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.pwr_enabled = 1 });
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if (cpu_data->cut_major > 1)
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stx7141_configure_sata();
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gpio_request(EUD7141_PIO_PHY_RESET, "eth_phy_reset");
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gpio_direction_output(EUD7141_PIO_PHY_RESET, 1);
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#ifdef CONFIG_SH_ST_EUD7141_STMMAC0
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/* Configure GMII0 MDINT for active low */
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set_irq_type(ILC_IRQ(43), IRQ_TYPE_LEVEL_LOW);
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stx7141_configure_ethernet(0, &(struct stx7141_ethernet_config) {
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.mode = stx7141_ethernet_mode_mii,
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.phy_bus = 0,
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.phy_addr = STMMAC0_PHY_ADDR,
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.mdio_bus_data = &stmmac0_mdio_bus,
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});
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#endif
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stx7141_configure_ethernet(1, &(struct stx7141_ethernet_config) {
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.mode = stx7141_ethernet_mode_gmii,
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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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stx7141_configure_lirc(&(struct stx7141_lirc_config) {
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.rx_mode = stx7141_lirc_rx_disabled,
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.tx_enabled = 1,
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.tx_od_enabled = 1 });
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/* Register Serial Flash device */
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spi_register_board_info(&eud7141_serial_flash, 1);
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#ifdef CONFIG_SND_STM
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/* Configure Audio */
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i2c_register_board_info(4, eud7141_av_ctrl,
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ARRAY_SIZE(eud7141_av_ctrl));
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stx7141_configure_audio(&(struct stx7141_audio_config) {
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pcm_player_1_output_enabled = 1,
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spdif_player_output_enabled = 1,
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pcm_reader_0_input_enabled = 0,
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pcm_player_1_output_enabled = 0 });
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#endif
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return platform_add_devices(eud7141_devices,
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ARRAY_SIZE(eud7141_devices));
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}
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arch_initcall(eud7141_device_init);
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static void __iomem *eud7141_ioport_map(unsigned long port, unsigned int size)
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{
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/*
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* No IO ports on this device, but to allow safe probing pick
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* somewhere safe to redirect all reads and writes.
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*/
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return (void __iomem *)CCN_PVR;
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}
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static void __init eud7141_init_irq(void)
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{
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}
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struct sh_machine_vector mv_eud7141 __initmv = {
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.mv_name = "eud7141",
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.mv_setup = eud7141_setup,
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.mv_nr_irqs = NR_IRQS,
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.mv_init_irq = eud7141_init_irq,
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.mv_ioport_map = eud7141_ioport_map,
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};
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