334 lines
9.2 KiB
C
334 lines
9.2 KiB
C
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/*
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* arch/sh/boards/st/7102isdb/setup.c
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*
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* Copyright (C) 2010 STMicroelectronics Limited
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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 STi7102ISDB-SDK 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/leds.h>
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#include <linux/lirc.h>
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#include <linux/i2c.h>
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#include <linux/gpio.h>
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#include <linux/phy.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/stx7105.h>
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#include <linux/stm/pci-glue.h>
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#include <linux/stm/emi.h>
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#include <linux/mtd/mtd.h>
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#include <linux/mtd/physmap.h>
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#include <linux/mtd/nand.h>
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#include <linux/mtd/partitions.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/i2c-gpio.h>
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#include <asm/irq-ilc.h>
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#include <sound/stm.h>
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/*
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* Flash setup depends on boot-device...
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*
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* Flash Boot Up Jumper Config (board Version A, Rev:1.0)
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* NOR Flash Serial Flash
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* Mode13:JE6(1,4) OFF(0) ON(1)
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* Mode16:JE6(2,3) OFF(0) ON(1)
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*/
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#define STI7102ISDB_PIO_PHY_RESET stm_gpio(15, 5)
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#define STI7102ISDB_HSC_0 stm_gpio(0, 0)
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#define STI7102ISDB_HSC_1 stm_gpio(0, 1)
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#define STI7102ISDB_HBC_0 stm_gpio(5, 0)
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#define STI7102ISDB_HBC_1 stm_gpio(5, 1)
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#define STI7102ISDB_SCLA stm_gpio(2, 2)
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#define STI7102ISDB_SDAA stm_gpio(2, 3)
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static void __init sti7102isdb_setup(char **cmdline_p)
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{
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printk(KERN_INFO "STMicroelectronics STi7102-ISDB board init\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 = 1,
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.is_console = 1, });
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}
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static int sti7102isdb_phy_reset(void *bus)
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{
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gpio_set_value(STI7102ISDB_PIO_PHY_RESET, 0);
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udelay(100);
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gpio_set_value(STI7102ISDB_PIO_PHY_RESET, 1);
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return 1;
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}
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static struct stmmac_mdio_bus_data stmmac_mdio_bus = {
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.bus_id = 0,
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.phy_reset = sti7102isdb_phy_reset,
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.phy_mask = 0,
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};
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static struct mtd_partition mtd_parts_table[3] = {
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{
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.name = "Boot firmware",
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.size = 0x00040000,
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.offset = 0x00000000,
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}, {
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.name = "Kernel",
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.size = 0x00200000,
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.offset = 0x00040000,
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}, {
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.name = "Root FS",
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.size = MTDPART_SIZ_FULL,
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.offset = 0x00240000,
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}
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};
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static struct physmap_flash_data isdb7102_nor_flash_data = {
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.width = 2, /* 16 bit width data */
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.set_vpp = NULL,
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.nr_parts = ARRAY_SIZE(mtd_parts_table),
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.parts = mtd_parts_table
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};
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static struct platform_device isdb7102_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 = 64*1024*1024 - 1,
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.flags = IORESOURCE_MEM,
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}
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},
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.dev = {
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.platform_data = &isdb7102_nor_flash_data,
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},
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};
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/* Configuration for Serial Flash */
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static struct mtd_partition sti7102isdb_serialflash_partitions[] = {
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{
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.name = "SFLASH_1",
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.size = 0x00080000,
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.offset = 0,
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}, {
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.name = "SFLASH_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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static struct flash_platform_data sti7102isdb_serialflash_data = {
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.name = "m25p80",
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.parts = sti7102isdb_serialflash_partitions,
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.nr_parts = ARRAY_SIZE(sti7102isdb_serialflash_partitions),
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.type = "m25p128",
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};
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static struct spi_board_info spi_serialflash[] = {
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{
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.modalias = "m25p80",
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.bus_num = 0,
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.chip_select = stm_gpio(2, 4),
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.max_speed_hz = 5000000,
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.platform_data = &sti7102isdb_serialflash_data,
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.mode = SPI_MODE_3,
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},
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};
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/* I2C_xxxA - HDMI */
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struct platform_device gpio_i2c_hdmi = {
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.name = "i2c-gpio",
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.id = 2,
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.dev.platform_data = &(struct i2c_gpio_platform_data) {
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.sda_pin = STI7102ISDB_SDAA,
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.sda_is_open_drain = 0,
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.scl_pin = STI7102ISDB_SCLA,
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.scl_is_open_drain = 0,
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.scl_is_output_only = 0,
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}
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};
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static struct platform_device *sti7102isdb_devices[] __initdata = {
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};
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/* Enable analog audio output */
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static int dac_audio_init(struct i2c_client *client, void *priv)
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{
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const char cmd[] = { 0x0, 0x00 };
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int cmd_len = sizeof(cmd);
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return i2c_master_send(client, cmd, cmd_len) != cmd_len;
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}
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/* Audio on outputs control */
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static struct i2c_board_info i2c_dac_ctrl __initdata = {
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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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.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 = dac_audio_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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static int __init device_init(void)
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{
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u32 bank1_start;
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u32 boot_mode;
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u32 hsc; /* Hardware & Software Configuration */
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u32 hbc; /* Hardware Bom Configuration */
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struct sysconf_field *sc;
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gpio_request(STI7102ISDB_HSC_0, NULL); /* UART0_RXD */
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gpio_direction_input(STI7102ISDB_HSC_0);
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hsc = gpio_get_value(STI7102ISDB_HSC_0) * 2;
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gpio_request(STI7102ISDB_HSC_1, NULL); /* UART0_TXD */
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gpio_direction_input(STI7102ISDB_HSC_1);
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hsc += gpio_get_value(STI7102ISDB_HSC_1) + 1;
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gpio_request(STI7102ISDB_HBC_0, NULL); /* UART3_RXD */
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gpio_direction_input(STI7102ISDB_HBC_0);
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hbc = gpio_get_value(STI7102ISDB_HBC_0) * 2;
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gpio_request(STI7102ISDB_HBC_1, NULL); /* UART3_TXD */
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gpio_direction_input(STI7102ISDB_HBC_1);
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hbc += gpio_get_value(STI7102ISDB_HBC_1) + 1;
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pr_info("STi7102-ISDB Board Version-%d & Board Type-%d\n", hsc, hbc);
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sc = sysconf_claim(SYS_STA, 1, 15, 16, "boot_mode");
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boot_mode = sysconf_read(sc);
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sysconf_release(sc);
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bank1_start = emi_bank_base(1);
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/* Configure FLASH according to boot device mode pins */
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switch (boot_mode) {
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case 0x0:
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/* Boot-from-NOR */
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pr_info("Configuring FLASH for boot-from-NOR\n");
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isdb7102_nor_flash.resource[0].start = 0x00000000;
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isdb7102_nor_flash.resource[0].end = bank1_start - 1;
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if (platform_device_register(&isdb7102_nor_flash) != 0)
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pr_info("DEBUG: Unable to register NOR Flash\n");
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break;
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case 0x2:
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/* Boot-from-SerialFlash */
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pr_info("Configuring FLASH for boot-from-SPI\n");
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break;
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}
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/*
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* The serial FLASH device may be driven by PIO15[0-3] (SPIboot
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* interface) or PIO2[4-6] (SSC0). The two sets of PIOs are connected
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* via 3k3 resistor. Here we are using the SSC. Therefore to avoid
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* drive contention, the SPIboot PIOs should be configured as inputs.
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*/
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gpio_request(stm_gpio(15, 0), "SPI Boot CLK");
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gpio_direction_input(stm_gpio(15, 0));
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gpio_request(stm_gpio(15, 1), "SPI Boot DOUT");
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gpio_direction_input(stm_gpio(15, 1));
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gpio_request(stm_gpio(15, 2), "SPI Boot NOTCS");
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gpio_direction_input(stm_gpio(15, 2));
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gpio_request(stm_gpio(15, 3), "SPI Boot DIN");
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gpio_direction_input(stm_gpio(15, 3));
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/* I2C_xxxA HDMI */
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platform_device_register(&gpio_i2c_hdmi);
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/* SPI - SerialFLASH */
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stx7105_configure_ssc_spi(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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.routing.ssc1.mrst = stx7105_ssc1_mrst_pio2_7});
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/* I2C_xxxC - UF2, UD12 (EEPROM) */
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stx7105_configure_ssc_i2c(2, &(struct stx7105_ssc_config) {
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.routing.ssc2.sclk = stx7105_ssc2_sclk_pio3_4,
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.routing.ssc2.mtsr = stx7105_ssc2_mtsr_pio3_5, });
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/* I2C_xxxD - J1 (AV Board)-> U1 */
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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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#ifdef CONFIG_SND_STM
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i2c_register_board_info(2, &i2c_dac_ctrl, 1);
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#endif
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/* USB Configuration */
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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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/* Ethernet configure */
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gpio_request(STI7102ISDB_PIO_PHY_RESET, "eth_phy_reset");
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gpio_direction_output(STI7102ISDB_PIO_PHY_RESET, 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 = &stmmac_mdio_bus,
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});
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/* RemoteControl configure */
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stx7105_configure_lirc(&(struct stx7105_lirc_config) {
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.rx_mode = stx7105_lirc_rx_mode_ir,
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.tx_enabled = 0,
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.tx_od_enabled = 0, });
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/* Audio Pins configure */
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stx7105_configure_audio(&(struct stx7105_audio_config) {
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.spdif_player_output_enabled = 1, });
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spi_register_board_info(spi_serialflash, ARRAY_SIZE(spi_serialflash));
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return platform_add_devices(sti7102isdb_devices,
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ARRAY_SIZE(sti7102isdb_devices));
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}
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arch_initcall(device_init);
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static void __iomem *sti7102isdb_ioport_map(unsigned long port,
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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 sti7102isdb __initmv = {
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.mv_name = "STi7102ISDB",
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.mv_setup = sti7102isdb_setup,
|
||
|
|
.mv_nr_irqs = NR_IRQS,
|
||
|
|
.mv_ioport_map = sti7102isdb_ioport_map,
|
||
|
|
};
|