/*
* arch/sh/boards/mach-hdkh246/setup.c
*
* Copyright (C) 2011 STMicroelectronics Limited
* Author: Nunzio Raciti (nunzio.raciti@st.com)
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
* STMicroelectronics STiH246-HDK board support.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/tm1668.h>
#include <linux/leds.h>
#include <linux/i2c.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/stm/platform.h>
#include <linux/stm/stx7105.h>
#include <linux/stm/nand.h>
#include <linux/stm/emi.h>
#include <linux/spi/spi.h>
#include <linux/spi/spi_gpio.h>
#include <linux/i2c-gpio.h>
#include <linux/spi/flash.h>
#include <linux/phy.h>
#include <linux/gpio.h>
#include <linux/input.h>
#include <linux/io.h>
#include <sound/stm.h>
#include <asm/irq-ilc.h>
#include <asm/irl.h>
/*
* Note that this configuration is based on the B2019_B schematic:
* http://boards.bri.st.com/fs/projects/b2019/b2019b/B2019CCT_B03.pdf
* Theoretically, this configuration should work as is also on:
* STiH235 and STiH236,
* given that they should differ only for assembly options.
*
* -----------------------------------------------------------------------------
* Flash setup depends on boot-device
*
* NOR(default) NAND SPI
* ----------------------------------------------------------------------------
* J10 (mode 15) 0 1 0
* J11 (mode 16) 0 0 1
*
* J9 (mode 13) 0 (x16) 1 (x8)
*
* -----------------------------------------------------------------------------
*/
#define HDKH246_GREEN_LED stm_gpio(10, 1)
#define HDKH246_RED_LED stm_gpio(10, 2)
#define HDKH246_GPIO_POWER_ON stm_gpio(10, 3)
#define HDKH246_GPIO_POWER_ON_ETH stm_gpio(15, 5)
#define HDKH246_GPIO_COMS_NOTCS stm_gpio(2, 4)
#define HDKH246_GPIO_COMS_CLK stm_gpio(2, 5)
#define HDKH246_GPIO_COMS_DOUT stm_gpio(2, 6)
#define HDKH246_GPIO_COMS_DIN stm_gpio(2, 7)
static void __init hdkh246_setup(char **cmdline_p)
{
pr_info("STMicroelectronics STiH246-HDK board initialisation\n");
stx7105_early_device_init();
stx7105_configure_asc(2, &(struct stx7105_asc_config) {
.routing.asc2 = stx7105_asc2_pio4,
.hw_flow_control = 1,
.is_console = 1, });
}
static struct platform_device hdkh246_leds = {
.name = "leds-gpio",
.id = 0,
.dev.platform_data = &(struct gpio_led_platform_data) {
.num_leds = 2,
.leds = (struct gpio_led[]) {
{
/* Red Led on board */
.name = "RED",
.gpio = HDKH246_RED_LED,
.active_low = 0,
}, {
/* Green Led on board */
.name = "GREEN",
.default_trigger = "heartbeat",
.gpio = HDKH246_GREEN_LED,
.active_low = 0,
},
},
},
};
static struct tm1668_key hdkh246_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 hdkh246_front_panel_characters[] = {
TM1668_7_SEG_HEX_DIGITS,
TM1668_7_SEG_HEX_DIGITS_WITH_DOT,
TM1668_7_SEG_SEGMENTS,
};
static struct platform_device hdkh246_front_panel = {
.name = "tm1668",
.id = -1,
.dev.platform_data = &(struct tm1668_platform_data) {
.gpio_dio = stm_gpio(11, 2),
.gpio_sclk = stm_gpio(11, 3),
.gpio_stb = stm_gpio(11, 4),
.config = tm1668_config_6_digits_12_segments,
.keys_num = ARRAY_SIZE(hdkh246_front_panel_keys),
.keys = hdkh246_front_panel_keys,
.keys_poll_period = DIV_ROUND_UP(HZ, 5),
.brightness = 8,
.characters_num = ARRAY_SIZE(hdkh246_front_panel_characters),
.characters = hdkh246_front_panel_characters,
.text = " 246",
},
};
static int hdkh246_phy_reset(void *bus)
{
gpio_set_value(HDKH246_GPIO_POWER_ON_ETH, 0);
udelay(1000);
gpio_set_value(HDKH246_GPIO_POWER_ON_ETH, 1);
udelay(10000);
return 1;
}
static struct stmmac_mdio_bus_data stmmac_mdio_bus = {
.bus_id = 0,
.phy_reset = hdkh246_phy_reset,
.phy_mask = 0,
};
/* NOR Flash */
static struct platform_device hdkh246_nor_flash = {
.name = "physmap-flash",
.id = -1,
.num_resources = 1,
.resource = (struct resource[]) {
{
.start = 0x00000000,
.end = 128 * 1024 * 1024 - 1,
.flags = IORESOURCE_MEM,
}
},
.dev.platform_data = &(struct physmap_flash_data) {
.width = 2,
.set_vpp = NULL,
.nr_parts = 3,
.parts = (struct mtd_partition []) {
{
.name = "NOR Flash 1",
.size = 0x00080000,
.offset = 0x00000000,
}, {
.name = "NOR Flash 2",
.size = 0x00200000,
.offset = MTDPART_OFS_NXTBLK,
}, {
.name = "NOR Flash 3",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_NXTBLK,
}
},
},
};
/*
* GPIO SPI bus for Serial Flash device
*
* The Serial Flash device is connected directly to the SPI Boot pads and to
* COMS SSC1 via 3k3 resistors. This setup seems to limit the speed at which
* the SCC can drive the SPI bus, with corruptions seen above 2MHz (RC issues
* suspected). As a result, it is actually faster to drive the Serial Flash
* device with GPIO SPI bus!
*/
static struct platform_device hdkh246_serial_flash_bus = {
.name = "spi_gpio",
.id = 0,
.num_resources = 0,
.dev = {
.platform_data = &(struct spi_gpio_platform_data) {
.sck = stm_gpio(15, 0),
.mosi = stm_gpio(15, 1),
.miso = stm_gpio(15, 3),
.num_chipselect = 1,
},
},
};
/* Serial Flash */
static struct spi_board_info hdkh246_serial_flash = {
.modalias = "m25p80",
.bus_num = 0,
.max_speed_hz = 7000000,
.mode = SPI_MODE_3,
.controller_data = (void *)stm_gpio(15, 2),
.platform_data = &(struct flash_platform_data) {
.name = "m25p80",
.type = "n25q128",
.nr_parts = 2,
.parts = (struct mtd_partition []) {
{
.name = "Serial Flash 1",
.size = 0x00080000,
.offset = 0,
}, {
.name = "Serial Flash 2",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_NXTBLK,
},
},
},
};
/* NAND Flash */
struct stm_nand_bank_data hdkh246_nand_flash = {
.csn = 1,
.options = NAND_NO_AUTOINCR | NAND_USE_FLASH_BBT,
.nr_partitions = 2,
.partitions = (struct mtd_partition []) {
{
.name = "NAND Flash 1",
.offset = 0,
.size = 0x00800000
}, {
.name = "NAND Flash 2",
.offset = MTDPART_OFS_NXTBLK,
.size = MTDPART_SIZ_FULL
},
},
.timing_data = &(struct stm_nand_timing_data) {
.sig_setup = 50, /* times in ns */
.sig_hold = 50,
.CE_deassert = 0,
.WE_to_RBn = 100,
.wr_on = 10,
.wr_off = 40,
.rd_on = 10,
.rd_off = 40,
.chip_delay = 50, /* in us */
},
};
static struct platform_device *hdkh246_devices[] __initdata = {
&hdkh246_leds,
&hdkh246_nor_flash,
&hdkh246_front_panel,
&hdkh246_serial_flash_bus,
};
#ifdef CONFIG_SND
/* Enable CVBS output to both (TV & VCR) SCART outputs &
* PR_R, Y_G, PB_B to Component output. */
#define STV6418_REG_COUNT (9)
static int hdkh246_scart_audio_init(struct i2c_client *client, void *priv)
{
/* Refer to STV6417/18 AN001 for More details on register values */
char cmd[STV6418_REG_COUNT * 2] = { 0x00, 0x00,
0x01, 0x00, /* Audio Disable*/
0x02, 0x11, /* Encoder input for TV & VCR SCART */
0x03, 0x00,
0x04, 0xa0, /* Bi-directional Y/C connections ??*/
0x05, 0x81, /* Video encoder DC-coupled */
0x06, 0x00,
0x07, 0x01, /* HD Output enable */
0x08, 0x00 /* All I/0 out of standby */
};
struct i2c_adapter *adap = client->adapter;
struct i2c_msg msg[STV6418_REG_COUNT];
int i;
for (i = 0 ; i < STV6418_REG_COUNT ; i++) {
msg[i].addr = client->addr;
msg[i].flags = client->flags & I2C_M_TEN;
msg[i].len = sizeof(char) * 2;
msg[i].buf = &cmd[i*2];
}
return i2c_transfer(adap, &msg[0], STV6418_REG_COUNT);
}
/* Audio on SCART outputs control */
static struct i2c_board_info hdkh246_scart_audio __initdata = {
I2C_BOARD_INFO("snd_conv_i2c", 0x4b),
.type = "STV6418",
.platform_data = &(struct snd_stm_conv_i2c_info) {
.group = "Analog Output",
.source_bus_id = "snd_pcm_player.1",
.channel_from = 0,
.channel_to = 1,
.format = SND_STM_FORMAT__I2S |
SND_STM_FORMAT__SUBFRAME_32_BITS,
.oversampling = 256,
.init = hdkh246_scart_audio_init,
.enable_supported = 1,
.enable_cmd = (char []){ 0x01, 0x09 },
.enable_cmd_len = 2,
.disable_cmd = (char []){ 0x01, 0x00 },
.disable_cmd_len = 2,
},
};
#endif
static int __init hdkh246_device_init(void)
{
struct sysconf_field *sc;
unsigned long nor_bank_base = 0;
unsigned long nor_bank_size = 0;
if (gpio_request(HDKH246_GPIO_POWER_ON, "POWER_ON") == 0)
gpio_direction_output(HDKH246_GPIO_POWER_ON, 1);
else
pr_warning("hdkh246: Failed to claim POWER_ON"
"PIO!\n");
/* Configure Flash according to boot-device */
sc = sysconf_claim(SYS_STA, 1, 15, 16, "boot_device");
switch (sysconf_read(sc)) {
case 0x0:
/* Boot-from-NOR */
pr_info("Configuring FLASH for boot-from-NOR\n");
nor_bank_base = emi_bank_base(0);
nor_bank_size = emi_bank_base(1) - nor_bank_base;
hdkh246_nand_flash.csn = 1;
break;
case 0x1:
/* Boot-from-NAND */
pr_info("Configuring FLASH for boot-from-NAND\n");
nor_bank_base = emi_bank_base(1);
nor_bank_size = emi_bank_base(2) - nor_bank_base;
hdkh246_nand_flash.csn = 0;
break;
case 0x2:
/* Boot-from-SPI */
pr_info("Configuring FLASH for boot-from-SPI\n");
nor_bank_base = emi_bank_base(1);
nor_bank_size = emi_bank_base(2) - nor_bank_base;
hdkh246_nand_flash.csn = 0;
break;
default:
BUG();
break;
}
sysconf_release(sc);
/* Update NOR Flash base address and size: */
/* - reduce visibility of NOR flash to EMI bank size */
if (hdkh246_nor_flash.resource[0].end > nor_bank_size - 1)
hdkh246_nor_flash.resource[0].end = nor_bank_size - 1;
/* - update resource parameters */
hdkh246_nor_flash.resource[0].start += nor_bank_base;
hdkh246_nor_flash.resource[0].end += nor_bank_base;
/* Set SSC1 pads as GPIO inputs to avoid contention with SPI GPIO bus */
if (gpio_request(HDKH246_GPIO_COMS_CLK, "COMS CLK") == 0)
gpio_direction_input(HDKH246_GPIO_COMS_CLK);
else
pr_warning("hdkh246: Failed to claim COMS CLK!\n");
if (gpio_request(HDKH246_GPIO_COMS_DOUT, "COMS DOUT") == 0)
gpio_direction_input(HDKH246_GPIO_COMS_DOUT);
else
pr_warning("hdkh246: Failed to claim COMS DOUT!\n");
if (gpio_request(HDKH246_GPIO_COMS_NOTCS, "COMS NOTCS") == 0)
gpio_direction_input(HDKH246_GPIO_COMS_NOTCS);
else
pr_warning("hdkh246: Failed to claim COMS NOTCS!\n");
if (gpio_request(HDKH246_GPIO_COMS_DIN, "COMS DIN") == 0)
gpio_direction_input(HDKH246_GPIO_COMS_DIN);
else
pr_warning("hdkh246: Failed to claim COMS DIN!\n");
/* I2C_xxxA - HDMI */
stx7105_configure_ssc_i2c(0, &(struct stx7105_ssc_config) {
.routing.ssc0.sclk = stx7105_ssc0_sclk_pio2_2,
.routing.ssc0.mtsr = stx7105_ssc0_mtsr_pio2_3, });
/* I2C_xxxC Eprom, STV6440 (Write Address:94H, Read:95H) */
stx7105_configure_ssc_i2c(2, &(struct stx7105_ssc_config) {
.routing.ssc2.sclk = stx7105_ssc2_sclk_pio3_4,
.routing.ssc2.mtsr = stx7105_ssc2_mtsr_pio3_5, });
/* I2C_xxxD - External connector, LNBH24x, */
stx7105_configure_ssc_i2c(3, &(struct stx7105_ssc_config) {
.routing.ssc3.sclk = stx7105_ssc3_sclk_pio3_6,
.routing.ssc3.mtsr = stx7105_ssc3_mtsr_pio3_7, });
spi_register_board_info(&hdkh246_serial_flash, 1);
/* Nand configure */
stx7105_configure_nand(&(struct stm_nand_config) {
.driver = stm_nand_flex,
.nr_banks = 1,
.banks = &hdkh246_nand_flash,
.rbn.flex_connected = 1,});
/* USB configure */
stx7105_configure_usb(0, &(struct stx7105_usb_config) {
.ovrcur_mode = stx7105_usb_ovrcur_active_low,
.pwr_enabled = 1,
.routing.usb0.ovrcur = stx7105_usb0_ovrcur_pio4_4,
.routing.usb0.pwr = stx7105_usb0_pwr_pio4_5, });
stx7105_configure_usb(1, &(struct stx7105_usb_config) {
.ovrcur_mode = stx7105_usb_ovrcur_active_low,
.pwr_enabled = 1,
.routing.usb1.ovrcur = stx7105_usb1_ovrcur_pio4_6,
.routing.usb1.pwr = stx7105_usb1_pwr_pio4_7, });
if (gpio_request(HDKH246_GPIO_POWER_ON_ETH, "POWER_ON_ETH") == 0)
gpio_direction_output(HDKH246_GPIO_POWER_ON_ETH, 1);
else
pr_warning("hdkh246: Failed to claim POWER_ON_ETH"
"PIO!\n");
stx7105_configure_ethernet(0, &(struct stx7105_ethernet_config) {
.mode = stx7105_ethernet_mode_mii,
.ext_clk = 0,
.phy_bus = 0,
.phy_addr = -1,
.mdio_bus_data = &stmmac_mdio_bus,
});
/* RemoteControl configure */
stx7105_configure_lirc(&(struct stx7105_lirc_config) {
#ifdef CONFIG_LIRC_STM_UHF
.rx_mode = stx7105_lirc_rx_mode_uhf,
#else
.rx_mode = stx7105_lirc_rx_mode_ir,
#endif
.tx_enabled = 0,
.tx_od_enabled = 0, });
#ifdef CONFIG_SND
i2c_register_board_info(2, &hdkh246_scart_audio, 1);
#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(hdkh246_devices,
ARRAY_SIZE(hdkh246_devices));
}
arch_initcall(hdkh246_device_init);
static void __iomem *hdkh246_ioport_map(unsigned long port, unsigned int size)
{
/* Shouldn't be here! */
BUG();
return NULL;
}
struct sh_machine_vector mv_hdkh246 __initmv = {
.mv_name = "hdkh246",
.mv_setup = hdkh246_setup,
.mv_nr_irqs = NR_IRQS,
.mv_ioport_map = hdkh246_ioport_map,
};