472 lines
13 KiB
C
472 lines
13 KiB
C
/*
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* arch/sh/boards/mach-hdk7197/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 STi7197-HDK 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/tm1668.h>
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#include <linux/leds.h>
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#include <linux/i2c.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/partitions.h>
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#include <linux/mtd/nand.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/nand.h>
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#include <linux/stm/emi.h>
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#include <linux/spi/spi.h>
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#include <linux/spi/spi_gpio.h>
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#include <linux/i2c-gpio.h>
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#include <linux/spi/flash.h>
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#include <linux/phy.h>
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#include <linux/gpio.h>
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#include <linux/input.h>
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#include <linux/io.h>
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#include <sound/stm.h>
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#include <asm/irq-ilc.h>
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#include <asm/irl.h>
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/*
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* Flash setup depends on boot-device:
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*
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* NOR NAND SPI
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* ----------------------------------------------------------------------------
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* JE6-1 (mode 15) ON (boot NOR) OFF (boot NAND) ON (boot SPI)
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* JE6-2 (mode 16) ON ON OFF
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*
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* JE5-1 (port size) ON (x16) OFF (x8) x
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*
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* JE3 (CS Routing) 1-2 (EMIA->NOR) 2-3 (EMIA->NAND) 2-3 (EMIA->NAND)
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* JE4 1-2 (EMIB->NAND) 2-3 (EMIB->NOR) 2-3 (EMIB->NOR)
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*
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* Post-boot Access
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* NOR EMIA (64MB) EMIB (8MB) EMIB (8MB)
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* NAND EMIB/FLEXB FLEXA FLEXA
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* SPI SPI_GPIO/SSC1 SPI_GPIO/SSC1 SPI_GPIO/SSC1
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*
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* -----------------------------------------------------------------------------
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*/
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#define HDK7197_GPIO_POWER_ON_ETH stm_gpio(15, 5)
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#define HDK7197_GREEN_LED stm_gpio(11, 5)
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#define HDK7197_GPIO_COMS_NOTCS stm_gpio(2, 4)
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#define HDK7197_GPIO_COMS_CLK stm_gpio(2, 5)
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#define HDK7197_GPIO_COMS_DIN stm_gpio(2, 7)
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#define HDK7197_GPIO_COMS_DOUT stm_gpio(2, 6)
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static void __init hdk7197_setup(char **cmdline_p)
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{
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printk(KERN_INFO "STMicroelectronics STi7197-HDK 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 = 1,
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.is_console = 1, });
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}
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/* NOTE:if using Front Panel STi51XX-SDK_FP V1.1,
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* It requires R16 to be changed to around 2K */
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static struct platform_device hdk7197_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 = HDK7197_GREEN_LED,
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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 hdk7197_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 hdk7197_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 hdk7197_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(11, 2),
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.gpio_sclk = stm_gpio(11, 3),
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.gpio_stb = stm_gpio(11, 4),
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.config = tm1668_config_6_digits_12_segments,
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.keys_num = ARRAY_SIZE(hdk7197_front_panel_keys),
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.keys = hdk7197_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(hdk7197_front_panel_characters),
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.characters = hdk7197_front_panel_characters,
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.text = "7197",
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},
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};
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static int hdk7197_phy_reset(void *bus)
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{
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gpio_set_value(HDK7197_GPIO_POWER_ON_ETH, 0);
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udelay(100);
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gpio_set_value(HDK7197_GPIO_POWER_ON_ETH, 1);
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udelay(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 = hdk7197_phy_reset,
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.phy_mask = 0,
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};
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/* NOR Flash */
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static struct platform_device hdk7197_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.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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/* GPIO SPI bus for Serial Flash device
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*
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* The Serial Flash device is connected directly to the SPI Boot pads and to
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* COMS SSC1 via 3k3 resistors. This setup seems to limit the speed at which
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* the SCC can drive the SPI bus, with corruptions seen above 2MHz (RC issues
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* suspected). As a result, it is actually faster to drive the Serial Flash
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* device with GPIO SPI bus!
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*/
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static struct platform_device hdk7197_serial_flash_bus = {
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.name = "spi_gpio",
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.id = 0,
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.num_resources = 0,
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.dev = {
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.platform_data = &(struct spi_gpio_platform_data) {
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.sck = stm_gpio(15, 0),
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.mosi = stm_gpio(15, 1),
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.miso = stm_gpio(15, 3),
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.num_chipselect = 1,
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},
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},
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};
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/* Serial Flash */
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static struct spi_board_info hdk7197_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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.controller_data = (void *)stm_gpio(15, 2),
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.platform_data = &(struct flash_platform_data) {
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.name = "m25p80",
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.type = "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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};
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/* NAND Flash */
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struct stm_nand_bank_data hdk7197_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 = 50, /* in us */
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},
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};
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static struct platform_device *hdk7197_devices[] __initdata = {
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&hdk7197_leds,
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&hdk7197_nor_flash,
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&hdk7197_front_panel,
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&hdk7197_serial_flash_bus,
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};
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#ifdef CONFIG_SND
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/* Enable CVBS output to both (TV & VCR) SCART outputs &
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* PR_R, Y_G, PB_B to Component output. */
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#define STV6418_REG_COUNT (9)
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static int hdk7197_scart_audio_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[STV6418_REG_COUNT * 2] = { 0x00, 0x00,
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0x01, 0x00, /* Audio Disable*/
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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, 0x01, /* HD Output enable */
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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[STV6418_REG_COUNT];
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int i;
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for (i = 0 ; i < STV6418_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], STV6418_REG_COUNT);
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}
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/* Audio on SCART outputs control */
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static struct i2c_board_info hdk7197_scart_audio __initdata = {
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I2C_BOARD_INFO("snd_conv_i2c", 0x4b),
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.type = "STV6418",
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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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.init = hdk7197_scart_audio_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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#endif
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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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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, 15, 16, "boot_device");
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switch (sysconf_read(sc)) {
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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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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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hdk7197_nand_flash.csn = 1;
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break;
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case 0x1:
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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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hdk7197_nand_flash.csn = 0;
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break;
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case 0x2:
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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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hdk7197_nand_flash.csn = 0;
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break;
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default:
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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 (hdk7197_nor_flash.resource[0].end > nor_bank_size - 1)
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hdk7197_nor_flash.resource[0].end = nor_bank_size - 1;
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/* - update resource parameters */
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hdk7197_nor_flash.resource[0].start += nor_bank_base;
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hdk7197_nor_flash.resource[0].end += nor_bank_base;
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/* Set SSC1 pads as GPIO inputs to avoid contention with SPI GPIO bus */
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if (gpio_request(HDK7197_GPIO_COMS_CLK, "COMS CLK") == 0)
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gpio_direction_input(HDK7197_GPIO_COMS_CLK);
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else
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printk(KERN_ERR "hdk7197: Failed to claim SPI COMS CLK!\n");
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if (gpio_request(HDK7197_GPIO_COMS_DOUT, "COMS DOUT") == 0)
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gpio_direction_input(HDK7197_GPIO_COMS_DOUT);
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else
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printk(KERN_ERR "hdk7197: Failed to claim SPI COMS DOUT!\n");
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if (gpio_request(HDK7197_GPIO_COMS_NOTCS, "COMS NOTCS") == 0)
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gpio_direction_input(HDK7197_GPIO_COMS_NOTCS);
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else
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printk(KERN_ERR "hdk7197: Failed to claim SPI COMS NOTCS!\n");
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if (gpio_request(HDK7197_GPIO_COMS_DIN, "COMS DIN") == 0)
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gpio_direction_input(HDK7197_GPIO_COMS_DIN);
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else
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printk(KERN_ERR "hdk7197: Failed to claim SPI COMS DIN!\n");
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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_xxxC */
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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 - Audio/Video Switch */
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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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spi_register_board_info(&hdk7197_serial_flash, 1);
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/* Nand configure */
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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 = &hdk7197_nand_flash,
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.rbn.flex_connected = 1,});
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/* USB configure */
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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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if (gpio_request(HDK7197_GPIO_POWER_ON_ETH, "POWER_ON_ETH") == 0)
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gpio_direction_output(HDK7197_GPIO_POWER_ON_ETH, 1);
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else
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printk(KERN_ERR "hdk7197: Failed to claim POWER_ON_ETH "
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"PIO!\n");
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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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#ifdef CONFIG_SND
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i2c_register_board_info(2, &hdk7197_scart_audio, 1);
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|
#endif
|
|
/* Audio Pins configure */
|
|
stx7105_configure_audio(&(struct stx7105_audio_config) {
|
|
.pcm_player_1_enabled = 1,
|
|
.spdif_player_output_enabled = 1, });
|
|
/*e-sata configure*/
|
|
stx7105_configure_sata(0);
|
|
return platform_add_devices(hdk7197_devices,
|
|
ARRAY_SIZE(hdk7197_devices));
|
|
}
|
|
arch_initcall(device_init);
|
|
|
|
static void __iomem *hdk7197_ioport_map(unsigned long port,
|
|
unsigned int size)
|
|
{
|
|
/* Shouldn't be here! */
|
|
BUG();
|
|
return NULL;
|
|
}
|
|
|
|
struct sh_machine_vector mv_hdk7197 __initmv = {
|
|
.mv_name = "hdk7197",
|
|
.mv_setup = hdk7197_setup,
|
|
.mv_nr_irqs = NR_IRQS,
|
|
.mv_ioport_map = hdk7197_ioport_map,
|
|
};
|