253 lines
6.6 KiB
C
253 lines
6.6 KiB
C
/*
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* arch/sh/boards/mach-mb903/setup.c
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*
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* Copyright (C) 2010 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/phy_fixed.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/stm/platform.h>
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#include <linux/stm/stx7108.h>
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#include <linux/stm/sysconf.h>
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#include <asm/irq-ilc.h>
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#define MB903_PIO_GMII0_NOTRESET stm_gpio(20, 0)
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#define MB903_PIO_GMII1_NOTRESET stm_gpio(15, 4)
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#define MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL stm_gpio(19, 1)
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/* All the power-related PIOs are pulled up, so "ON" by default,
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* there is no need to touch them unless one really wants to... */
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#define MB903_PIO_POWER_ON_5V stm_gpio(21, 7)
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#define MB903_PIO_POWER_ON_1V5LMI stm_gpio(22, 0)
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#define MB903_PIO_POWER_ON_SATA stm_gpio(22, 2)
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#define MB903_PIO_POWER_ON_SHUTDOWN stm_gpio(22, 3)
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static void __init mb903_setup(char **cmdline_p)
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{
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printk(KERN_INFO "STMicroelectronics mb903 board initialisation\n");
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stx7108_early_device_init();
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/* CN1 ("RS232") */
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stx7108_configure_asc(3, &(struct stx7108_asc_config) {
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.routing.asc3.txd = stx7108_asc3_txd_pio24_4,
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.routing.asc3.rxd = stx7108_asc3_rxd_pio24_5,
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/* First mb903 revision has RTS connected in
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* a wrong way, therefore HW flow control
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* is unusable */
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#if 0
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.routing.asc3.cts = stx7108_asc3_cts_pio25_0,
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.routing.asc3.rts = stx7108_asc3_rts_pio24_7,
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.hw_flow_control = 1,
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#endif
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.is_console = 1, });
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/* CN17 ("MODEM") */
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stx7108_configure_asc(1, &(struct stx7108_asc_config) {
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.hw_flow_control = 1, });
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}
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static struct platform_device mb903_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 = 3,
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.leds = (struct gpio_led[]) {
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{
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.name = "LD5 (GREEN)",
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.gpio = stm_gpio(6, 4),
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.default_trigger = "heartbeat",
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}, {
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.name = "LD4 (GREEN)",
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.gpio = stm_gpio(6, 5),
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}, {
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.name = "FP_POWER_ON",
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.gpio = stm_gpio(22, 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 mb903_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 mb903_front_panel_characters[] = {
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TM1668_7_SEG_HEX_DIGITS,
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TM1668_7_SEG_SEGMENTS,
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{ 'M', 0x037 },
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{ 'O', 0x03f },
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{ 'C', 0x039 },
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{ 'A', 0x077 },
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};
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static struct platform_device mb903_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_sclk = stm_gpio(2, 4),
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.gpio_dio = stm_gpio(2, 5),
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.gpio_stb = stm_gpio(2, 6),
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.config = tm1668_config_6_digits_12_segments,
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.keys_num = ARRAY_SIZE(mb903_front_panel_keys),
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.keys = mb903_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(mb903_front_panel_characters),
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.characters = mb903_front_panel_characters,
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.text = "MOCA",
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},
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};
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static int mb903_mii0_phy_reset(void *bus)
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{
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gpio_set_value(MB903_PIO_GMII0_NOTRESET, 0);
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udelay(10000); /* 10 miliseconds is enough for everyone ;-) */
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gpio_set_value(MB903_PIO_GMII0_NOTRESET, 1);
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return 1;
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}
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static int mb903_mii1_phy_reset(void *bus)
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{
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gpio_set_value(MB903_PIO_GMII1_NOTRESET, 0);
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udelay(10000); /* 10 miliseconds is enough for everyone ;-) */
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gpio_set_value(MB903_PIO_GMII1_NOTRESET, 1);
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return 1;
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}
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static void mb903_mi11_txclk_select(int txclk_250_not_25_mhz)
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{
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gpio_set_value(MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL,
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!!txclk_250_not_25_mhz);
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}
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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 = mb903_mii1_phy_reset,
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.phy_mask = 0,
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};
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static struct fixed_phy_status stmmac0_fixed_phy_status = {
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.link = 1,
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.speed = 100,
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.duplex = 1,
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};
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static struct platform_device *mb903_devices[] __initdata = {
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&mb903_leds,
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&mb903_front_panel,
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};
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static int __init mb903_device_init(void)
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{
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gpio_request(MB903_PIO_GMII0_NOTRESET, "GMII0_notRESET");
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gpio_direction_output(MB903_PIO_GMII0_NOTRESET, 0);
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gpio_request(MB903_PIO_GMII1_NOTRESET, "GMII1_notRESET");
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gpio_direction_output(MB903_PIO_GMII1_NOTRESET, 0);
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gpio_request(MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL,
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"GMII1_PHY_CLKOUTnotTX_CLK_SEL");
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gpio_direction_output(MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL, 1);
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/* FRONTEND: CN18 ("I2C FRONTEND"), CN20 ("I2C FRONTEND MODULE") */
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stx7108_configure_ssc_i2c(1, NULL);
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/* ZIGBEE MODULE: U55 (SPZB260) */
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stx7108_configure_ssc_spi(2, &(struct stx7108_ssc_config) {
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.routing.ssc2.sclk = stx7108_ssc2_sclk_pio1_3,
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.routing.ssc2.mtsr = stx7108_ssc2_mtsr_pio1_4,
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.routing.ssc2.mrst = stx7108_ssc2_mrst_pio1_5, });
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/* PIO_HDMI: CN4 ("HDMI" via U8),
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* BACKEND: U21 (EEPROM), U29 (STTS75 tempereature sensor),
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* U26 (STV6440), CN10 ("GMII MODULE"), CN12 ("I2C BACKEND") */
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stx7108_configure_ssc_i2c(6, NULL);
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/* SYS - EEPROM & MII0 */
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stx7108_configure_ssc_i2c(5, NULL);
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stx7108_configure_lirc(&(struct stx7108_lirc_config) {
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.rx_mode = stx7108_lirc_rx_mode_ir, });
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/* J1 ("FAN Connector") */
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stx7108_configure_pwm(&(struct stx7108_pwm_config) {
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.out0_enabled = 1, });
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stx7108_configure_usb(0);
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stx7108_configure_usb(1);
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stx7108_configure_usb(2);
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stx7108_configure_miphy(&(struct stx7108_miphy_config) {
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.modes = (enum miphy_mode[2]) {
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SATA_MODE, SATA_MODE },
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});
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stx7108_configure_sata(0, &(struct stx7108_sata_config) { });
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stx7108_configure_sata(1, &(struct stx7108_sata_config) { });
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BUG_ON(fixed_phy_add(PHY_POLL, 1, &stmmac0_fixed_phy_status));
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stx7108_configure_ethernet(0, &(struct stx7108_ethernet_config) {
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.mode = stx7108_ethernet_mode_mii,
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.ext_clk = 1,
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.phy_bus = 0,
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.phy_addr = 1,
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});
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stx7108_configure_ethernet(1, &(struct stx7108_ethernet_config) {
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.mode = stx7108_ethernet_mode_gmii_gtx,
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.ext_clk = 0,
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.phy_bus = 1,
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.txclk_select = mb903_mi11_txclk_select,
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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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return platform_add_devices(mb903_devices,
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ARRAY_SIZE(mb903_devices));
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}
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arch_initcall(mb903_device_init);
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static void __iomem *mb903_ioport_map(unsigned long port, unsigned int size)
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{
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/* Shouldn't be here! */
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BUG();
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return NULL;
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}
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struct sh_machine_vector mv_mb903 __initmv = {
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.mv_name = "mb903",
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.mv_setup = mb903_setup,
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.mv_nr_irqs = NR_IRQS,
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.mv_ioport_map = mb903_ioport_map,
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};
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