satip-axe/kernel/arch/sh/boards/mach-mb903/setup.c
2015-03-26 17:24:57 +01:00

253 lines
6.6 KiB
C

/*
* arch/sh/boards/mach-mb903/setup.c
*
* Copyright (C) 2010 STMicroelectronics Limited
* Author: Pawel Moll (pawel.moll@st.com)
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/phy.h>
#include <linux/phy_fixed.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/tm1668.h>
#include <linux/stm/platform.h>
#include <linux/stm/stx7108.h>
#include <linux/stm/sysconf.h>
#include <asm/irq-ilc.h>
#define MB903_PIO_GMII0_NOTRESET stm_gpio(20, 0)
#define MB903_PIO_GMII1_NOTRESET stm_gpio(15, 4)
#define MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL stm_gpio(19, 1)
/* All the power-related PIOs are pulled up, so "ON" by default,
* there is no need to touch them unless one really wants to... */
#define MB903_PIO_POWER_ON_5V stm_gpio(21, 7)
#define MB903_PIO_POWER_ON_1V5LMI stm_gpio(22, 0)
#define MB903_PIO_POWER_ON_SATA stm_gpio(22, 2)
#define MB903_PIO_POWER_ON_SHUTDOWN stm_gpio(22, 3)
static void __init mb903_setup(char **cmdline_p)
{
printk(KERN_INFO "STMicroelectronics mb903 board initialisation\n");
stx7108_early_device_init();
/* CN1 ("RS232") */
stx7108_configure_asc(3, &(struct stx7108_asc_config) {
.routing.asc3.txd = stx7108_asc3_txd_pio24_4,
.routing.asc3.rxd = stx7108_asc3_rxd_pio24_5,
/* First mb903 revision has RTS connected in
* a wrong way, therefore HW flow control
* is unusable */
#if 0
.routing.asc3.cts = stx7108_asc3_cts_pio25_0,
.routing.asc3.rts = stx7108_asc3_rts_pio24_7,
.hw_flow_control = 1,
#endif
.is_console = 1, });
/* CN17 ("MODEM") */
stx7108_configure_asc(1, &(struct stx7108_asc_config) {
.hw_flow_control = 1, });
}
static struct platform_device mb903_leds = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &(struct gpio_led_platform_data) {
.num_leds = 3,
.leds = (struct gpio_led[]) {
{
.name = "LD5 (GREEN)",
.gpio = stm_gpio(6, 4),
.default_trigger = "heartbeat",
}, {
.name = "LD4 (GREEN)",
.gpio = stm_gpio(6, 5),
}, {
.name = "FP_POWER_ON",
.gpio = stm_gpio(22, 1),
.active_low = 1,
},
},
},
};
static struct tm1668_key mb903_front_panel_keys[] = {
{ 0x00001000, KEY_UP, "Up (SWF2)" },
{ 0x00800000, KEY_DOWN, "Down (SWF7)" },
{ 0x00008000, KEY_LEFT, "Left (SWF6)" },
{ 0x00000010, KEY_RIGHT, "Right (SWF5)" },
{ 0x00000080, KEY_ENTER, "Enter (SWF1)" },
{ 0x00100000, KEY_ESC, "Escape (SWF4)" },
};
static struct tm1668_character mb903_front_panel_characters[] = {
TM1668_7_SEG_HEX_DIGITS,
TM1668_7_SEG_SEGMENTS,
{ 'M', 0x037 },
{ 'O', 0x03f },
{ 'C', 0x039 },
{ 'A', 0x077 },
};
static struct platform_device mb903_front_panel = {
.name = "tm1668",
.id = -1,
.dev.platform_data = &(struct tm1668_platform_data) {
.gpio_sclk = stm_gpio(2, 4),
.gpio_dio = stm_gpio(2, 5),
.gpio_stb = stm_gpio(2, 6),
.config = tm1668_config_6_digits_12_segments,
.keys_num = ARRAY_SIZE(mb903_front_panel_keys),
.keys = mb903_front_panel_keys,
.keys_poll_period = DIV_ROUND_UP(HZ, 5),
.brightness = 8,
.characters_num = ARRAY_SIZE(mb903_front_panel_characters),
.characters = mb903_front_panel_characters,
.text = "MOCA",
},
};
static int mb903_mii0_phy_reset(void *bus)
{
gpio_set_value(MB903_PIO_GMII0_NOTRESET, 0);
udelay(10000); /* 10 miliseconds is enough for everyone ;-) */
gpio_set_value(MB903_PIO_GMII0_NOTRESET, 1);
return 1;
}
static int mb903_mii1_phy_reset(void *bus)
{
gpio_set_value(MB903_PIO_GMII1_NOTRESET, 0);
udelay(10000); /* 10 miliseconds is enough for everyone ;-) */
gpio_set_value(MB903_PIO_GMII1_NOTRESET, 1);
return 1;
}
static void mb903_mi11_txclk_select(int txclk_250_not_25_mhz)
{
gpio_set_value(MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL,
!!txclk_250_not_25_mhz);
}
static struct stmmac_mdio_bus_data stmmac1_mdio_bus = {
.bus_id = 1,
.phy_reset = mb903_mii1_phy_reset,
.phy_mask = 0,
};
static struct fixed_phy_status stmmac0_fixed_phy_status = {
.link = 1,
.speed = 100,
.duplex = 1,
};
static struct platform_device *mb903_devices[] __initdata = {
&mb903_leds,
&mb903_front_panel,
};
static int __init mb903_device_init(void)
{
gpio_request(MB903_PIO_GMII0_NOTRESET, "GMII0_notRESET");
gpio_direction_output(MB903_PIO_GMII0_NOTRESET, 0);
gpio_request(MB903_PIO_GMII1_NOTRESET, "GMII1_notRESET");
gpio_direction_output(MB903_PIO_GMII1_NOTRESET, 0);
gpio_request(MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL,
"GMII1_PHY_CLKOUTnotTX_CLK_SEL");
gpio_direction_output(MB903_PIO_GMII1_PHY_CLKOUTNOTTX_CLK_SEL, 1);
/* FRONTEND: CN18 ("I2C FRONTEND"), CN20 ("I2C FRONTEND MODULE") */
stx7108_configure_ssc_i2c(1, NULL);
/* ZIGBEE MODULE: U55 (SPZB260) */
stx7108_configure_ssc_spi(2, &(struct stx7108_ssc_config) {
.routing.ssc2.sclk = stx7108_ssc2_sclk_pio1_3,
.routing.ssc2.mtsr = stx7108_ssc2_mtsr_pio1_4,
.routing.ssc2.mrst = stx7108_ssc2_mrst_pio1_5, });
/* PIO_HDMI: CN4 ("HDMI" via U8),
* BACKEND: U21 (EEPROM), U29 (STTS75 tempereature sensor),
* U26 (STV6440), CN10 ("GMII MODULE"), CN12 ("I2C BACKEND") */
stx7108_configure_ssc_i2c(6, NULL);
/* SYS - EEPROM & MII0 */
stx7108_configure_ssc_i2c(5, NULL);
stx7108_configure_lirc(&(struct stx7108_lirc_config) {
.rx_mode = stx7108_lirc_rx_mode_ir, });
/* J1 ("FAN Connector") */
stx7108_configure_pwm(&(struct stx7108_pwm_config) {
.out0_enabled = 1, });
stx7108_configure_usb(0);
stx7108_configure_usb(1);
stx7108_configure_usb(2);
stx7108_configure_miphy(&(struct stx7108_miphy_config) {
.modes = (enum miphy_mode[2]) {
SATA_MODE, SATA_MODE },
});
stx7108_configure_sata(0, &(struct stx7108_sata_config) { });
stx7108_configure_sata(1, &(struct stx7108_sata_config) { });
BUG_ON(fixed_phy_add(PHY_POLL, 1, &stmmac0_fixed_phy_status));
stx7108_configure_ethernet(0, &(struct stx7108_ethernet_config) {
.mode = stx7108_ethernet_mode_mii,
.ext_clk = 1,
.phy_bus = 0,
.phy_addr = 1,
});
stx7108_configure_ethernet(1, &(struct stx7108_ethernet_config) {
.mode = stx7108_ethernet_mode_gmii_gtx,
.ext_clk = 0,
.phy_bus = 1,
.txclk_select = mb903_mi11_txclk_select,
.phy_addr = 1,
.mdio_bus_data = &stmmac1_mdio_bus,
});
return platform_add_devices(mb903_devices,
ARRAY_SIZE(mb903_devices));
}
arch_initcall(mb903_device_init);
static void __iomem *mb903_ioport_map(unsigned long port, unsigned int size)
{
/* Shouldn't be here! */
BUG();
return NULL;
}
struct sh_machine_vector mv_mb903 __initmv = {
.mv_name = "mb903",
.mv_setup = mb903_setup,
.mv_nr_irqs = NR_IRQS,
.mv_ioport_map = mb903_ioport_map,
};