satip-axe/kernel/arch/sh/boards/mach-7102isdb/setup.c
2015-03-26 17:24:57 +01:00

334 lines
9.2 KiB
C

/*
* arch/sh/boards/st/7102isdb/setup.c
*
* Copyright (C) 2010 STMicroelectronics Limited
* Author: Srinivas Kandagatla (srinivas.kandagatla@st.com)
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*
* STMicroelectronics STi7102ISDB-SDK support.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/leds.h>
#include <linux/lirc.h>
#include <linux/i2c.h>
#include <linux/gpio.h>
#include <linux/phy.h>
#include <linux/tm1668.h>
#include <linux/stm/platform.h>
#include <linux/stm/stx7105.h>
#include <linux/stm/pci-glue.h>
#include <linux/stm/emi.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/physmap.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/partitions.h>
#include <linux/spi/spi.h>
#include <linux/spi/flash.h>
#include <linux/i2c-gpio.h>
#include <asm/irq-ilc.h>
#include <sound/stm.h>
/*
* Flash setup depends on boot-device...
*
* Flash Boot Up Jumper Config (board Version A, Rev:1.0)
* NOR Flash Serial Flash
* Mode13:JE6(1,4) OFF(0) ON(1)
* Mode16:JE6(2,3) OFF(0) ON(1)
*/
#define STI7102ISDB_PIO_PHY_RESET stm_gpio(15, 5)
#define STI7102ISDB_HSC_0 stm_gpio(0, 0)
#define STI7102ISDB_HSC_1 stm_gpio(0, 1)
#define STI7102ISDB_HBC_0 stm_gpio(5, 0)
#define STI7102ISDB_HBC_1 stm_gpio(5, 1)
#define STI7102ISDB_SCLA stm_gpio(2, 2)
#define STI7102ISDB_SDAA stm_gpio(2, 3)
static void __init sti7102isdb_setup(char **cmdline_p)
{
printk(KERN_INFO "STMicroelectronics STi7102-ISDB board init\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 int sti7102isdb_phy_reset(void *bus)
{
gpio_set_value(STI7102ISDB_PIO_PHY_RESET, 0);
udelay(100);
gpio_set_value(STI7102ISDB_PIO_PHY_RESET, 1);
return 1;
}
static struct stmmac_mdio_bus_data stmmac_mdio_bus = {
.bus_id = 0,
.phy_reset = sti7102isdb_phy_reset,
.phy_mask = 0,
};
static struct mtd_partition mtd_parts_table[3] = {
{
.name = "Boot firmware",
.size = 0x00040000,
.offset = 0x00000000,
}, {
.name = "Kernel",
.size = 0x00200000,
.offset = 0x00040000,
}, {
.name = "Root FS",
.size = MTDPART_SIZ_FULL,
.offset = 0x00240000,
}
};
static struct physmap_flash_data isdb7102_nor_flash_data = {
.width = 2, /* 16 bit width data */
.set_vpp = NULL,
.nr_parts = ARRAY_SIZE(mtd_parts_table),
.parts = mtd_parts_table
};
static struct platform_device isdb7102_nor_flash = {
.name = "physmap-flash",
.id = -1,
.num_resources = 1,
.resource = (struct resource[]) {
{
.start = 0x00000000,
.end = 64*1024*1024 - 1,
.flags = IORESOURCE_MEM,
}
},
.dev = {
.platform_data = &isdb7102_nor_flash_data,
},
};
/* Configuration for Serial Flash */
static struct mtd_partition sti7102isdb_serialflash_partitions[] = {
{
.name = "SFLASH_1",
.size = 0x00080000,
.offset = 0,
}, {
.name = "SFLASH_2",
.size = MTDPART_SIZ_FULL,
.offset = MTDPART_OFS_NXTBLK,
},
};
static struct flash_platform_data sti7102isdb_serialflash_data = {
.name = "m25p80",
.parts = sti7102isdb_serialflash_partitions,
.nr_parts = ARRAY_SIZE(sti7102isdb_serialflash_partitions),
.type = "m25p128",
};
static struct spi_board_info spi_serialflash[] = {
{
.modalias = "m25p80",
.bus_num = 0,
.chip_select = stm_gpio(2, 4),
.max_speed_hz = 5000000,
.platform_data = &sti7102isdb_serialflash_data,
.mode = SPI_MODE_3,
},
};
/* I2C_xxxA - HDMI */
struct platform_device gpio_i2c_hdmi = {
.name = "i2c-gpio",
.id = 2,
.dev.platform_data = &(struct i2c_gpio_platform_data) {
.sda_pin = STI7102ISDB_SDAA,
.sda_is_open_drain = 0,
.scl_pin = STI7102ISDB_SCLA,
.scl_is_open_drain = 0,
.scl_is_output_only = 0,
}
};
static struct platform_device *sti7102isdb_devices[] __initdata = {
};
/* Enable analog audio output */
static int dac_audio_init(struct i2c_client *client, void *priv)
{
const char cmd[] = { 0x0, 0x00 };
int cmd_len = sizeof(cmd);
return i2c_master_send(client, cmd, cmd_len) != cmd_len;
}
/* Audio on outputs control */
static struct i2c_board_info i2c_dac_ctrl __initdata = {
I2C_BOARD_INFO("snd_conv_i2c", 0x4a),
.type = "STV6440",
.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,
.mute_supported = 1,
.mute_cmd = (char []){ 0x00, 0x80 },
.mute_cmd_len = 2,
.init = dac_audio_init,
.enable_supported = 1,
.enable_cmd = (char []){ 0x00, 0x00 },
.enable_cmd_len = 2,
.disable_cmd = (char []){ 0x00, 0x80 },
.disable_cmd_len = 2,
},
};
static int __init device_init(void)
{
u32 bank1_start;
u32 boot_mode;
u32 hsc; /* Hardware & Software Configuration */
u32 hbc; /* Hardware Bom Configuration */
struct sysconf_field *sc;
gpio_request(STI7102ISDB_HSC_0, NULL); /* UART0_RXD */
gpio_direction_input(STI7102ISDB_HSC_0);
hsc = gpio_get_value(STI7102ISDB_HSC_0) * 2;
gpio_request(STI7102ISDB_HSC_1, NULL); /* UART0_TXD */
gpio_direction_input(STI7102ISDB_HSC_1);
hsc += gpio_get_value(STI7102ISDB_HSC_1) + 1;
gpio_request(STI7102ISDB_HBC_0, NULL); /* UART3_RXD */
gpio_direction_input(STI7102ISDB_HBC_0);
hbc = gpio_get_value(STI7102ISDB_HBC_0) * 2;
gpio_request(STI7102ISDB_HBC_1, NULL); /* UART3_TXD */
gpio_direction_input(STI7102ISDB_HBC_1);
hbc += gpio_get_value(STI7102ISDB_HBC_1) + 1;
pr_info("STi7102-ISDB Board Version-%d & Board Type-%d\n", hsc, hbc);
sc = sysconf_claim(SYS_STA, 1, 15, 16, "boot_mode");
boot_mode = sysconf_read(sc);
sysconf_release(sc);
bank1_start = emi_bank_base(1);
/* Configure FLASH according to boot device mode pins */
switch (boot_mode) {
case 0x0:
/* Boot-from-NOR */
pr_info("Configuring FLASH for boot-from-NOR\n");
isdb7102_nor_flash.resource[0].start = 0x00000000;
isdb7102_nor_flash.resource[0].end = bank1_start - 1;
if (platform_device_register(&isdb7102_nor_flash) != 0)
pr_info("DEBUG: Unable to register NOR Flash\n");
break;
case 0x2:
/* Boot-from-SerialFlash */
pr_info("Configuring FLASH for boot-from-SPI\n");
break;
}
/*
* The serial FLASH device may be driven by PIO15[0-3] (SPIboot
* interface) or PIO2[4-6] (SSC0). The two sets of PIOs are connected
* via 3k3 resistor. Here we are using the SSC. Therefore to avoid
* drive contention, the SPIboot PIOs should be configured as inputs.
*/
gpio_request(stm_gpio(15, 0), "SPI Boot CLK");
gpio_direction_input(stm_gpio(15, 0));
gpio_request(stm_gpio(15, 1), "SPI Boot DOUT");
gpio_direction_input(stm_gpio(15, 1));
gpio_request(stm_gpio(15, 2), "SPI Boot NOTCS");
gpio_direction_input(stm_gpio(15, 2));
gpio_request(stm_gpio(15, 3), "SPI Boot DIN");
gpio_direction_input(stm_gpio(15, 3));
/* I2C_xxxA HDMI */
platform_device_register(&gpio_i2c_hdmi);
/* SPI - SerialFLASH */
stx7105_configure_ssc_spi(1, &(struct stx7105_ssc_config) {
.routing.ssc1.sclk = stx7105_ssc1_sclk_pio2_5,
.routing.ssc1.mtsr = stx7105_ssc1_mtsr_pio2_6,
.routing.ssc1.mrst = stx7105_ssc1_mrst_pio2_7});
/* I2C_xxxC - UF2, UD12 (EEPROM) */
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 - J1 (AV Board)-> U1 */
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, });
#ifdef CONFIG_SND_STM
i2c_register_board_info(2, &i2c_dac_ctrl, 1);
#endif
/* USB Configuration */
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, });
/* Ethernet configure */
gpio_request(STI7102ISDB_PIO_PHY_RESET, "eth_phy_reset");
gpio_direction_output(STI7102ISDB_PIO_PHY_RESET, 1);
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) {
.rx_mode = stx7105_lirc_rx_mode_ir,
.tx_enabled = 0,
.tx_od_enabled = 0, });
/* Audio Pins configure */
stx7105_configure_audio(&(struct stx7105_audio_config) {
.spdif_player_output_enabled = 1, });
spi_register_board_info(spi_serialflash, ARRAY_SIZE(spi_serialflash));
return platform_add_devices(sti7102isdb_devices,
ARRAY_SIZE(sti7102isdb_devices));
}
arch_initcall(device_init);
static void __iomem *sti7102isdb_ioport_map(unsigned long port,
unsigned int size)
{
/* Shouldn't be here! */
BUG();
return NULL;
}
struct sh_machine_vector sti7102isdb __initmv = {
.mv_name = "STi7102ISDB",
.mv_setup = sti7102isdb_setup,
.mv_nr_irqs = NR_IRQS,
.mv_ioport_map = sti7102isdb_ioport_map,
};