293 lines
8.3 KiB
C
293 lines
8.3 KiB
C
/*
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* arch/sh/boards/mach-iptv7105/setup.c
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*
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* Copyright (C) 2008 STMicroelectronics Limited
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* Author: Stuart Menefy (stuart.menefy@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 IPTV PLUGGIN 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/io.h>
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#include <linux/phy.h>
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#include <linux/leds.h>
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#include <linux/gpio.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/pci-glue.h>
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#include <linux/mtd/mtd.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 <asm/irq-ilc.h>
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#define IPTV7105_PIO_PHY_RESET stm_gpio(15, 5)
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#define IPTV7105_PIO_PCI_IDSEL stm_gpio(10, 2)
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#define IPTV7105_PIO_PCI_SERR stm_gpio(15, 4)
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#define IPTV7105_PIO_PCI_RESET stm_gpio(15, 7)
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#define IPTV7105_PIO_FLASH_VPP stm_gpio(6, 5)
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#define IPTV7105_PIO_SPI_BOOT_CLK stm_gpio(15, 0)
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#define IPTV7105_PIO_SPI_BOOT_DOUT stm_gpio(15, 1)
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#define IPTV7105_PIO_SPI_BOOT_NOTCS stm_gpio(15, 2)
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#define IPTV7105_PIO_SPI_BOOT_DIN stm_gpio(15, 3)
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static void __init iptv7105_setup(char **cmdline_p)
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{
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printk(KERN_INFO "STMicroelectronics STx7105 IPTV board initialisation\n");
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stx7105_early_device_init();
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/* CN5, which is usually connected to CN6 on the debug board and
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* eventually becomes female DB9 socket CN8 there... */
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stx7105_configure_asc(0, &(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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/* CN17, which is usually connected to CN18 on the debug board and
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* eventually becomes female DB9 socket CN7 there... */
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stx7105_configure_asc(3, &(struct stx7105_asc_config) {
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.hw_flow_control = 1,
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.is_console = 0, });
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/* CN4 */
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stx7105_configure_asc(2, &(struct stx7105_asc_config) {
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.hw_flow_control = 1,
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.is_console = 0, });
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}
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static int iptv7105_phy_reset(void *bus)
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{
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gpio_set_value(IPTV7105_PIO_PHY_RESET, 0);
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udelay(100);
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gpio_set_value(IPTV7105_PIO_PHY_RESET, 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 = iptv7105_phy_reset,
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.phy_mask = 0,
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};
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/* Serial Flash */
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static struct spi_board_info iptv7105_serial_flash = {
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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 = 7000000,
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.mode = SPI_MODE_3,
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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 iptv7105_nand_flash = {
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.csn = 0,
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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 = 30, /* in us */
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},
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};
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static struct platform_device *iptv7105_devices[] __initdata = {
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};
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/* PCI configuration */
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static struct stm_plat_pci_config iptv7105_pci_config = {
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.pci_irq = {
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[0] = PCI_PIN_DEFAULT,
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[1] = PCI_PIN_DEFAULT,
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[2] = PCI_PIN_UNUSED,
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[3] = PCI_PIN_UNUSED
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},
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.serr_irq = PCI_PIN_UNUSED,
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.idsel_lo = 30,
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.idsel_hi = 30,
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.req_gnt = {
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[0] = PCI_PIN_DEFAULT,
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[1] = PCI_PIN_UNUSED,
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[2] = PCI_PIN_UNUSED,
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[3] = PCI_PIN_UNUSED
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},
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.pci_clk = 33333333,
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.pci_reset_gpio = IPTV7105_PIO_PCI_RESET,
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};
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int pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
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{
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/* We can use the standard function on this board */
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return stx7105_pcibios_map_platform_irq(&iptv7105_pci_config, pin);
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}
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static int __init iptv7105_devices_init(void)
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{
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/* The IDSEL line is connected to PIO10.2 only... Luckily
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* there is just one slot, so we can just force 1... */
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if (gpio_request(IPTV7105_PIO_PCI_IDSEL, "PCI_IDSEL") == 0)
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gpio_direction_output(IPTV7105_PIO_PCI_IDSEL, 1);
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else
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printk(KERN_ERR "iptv7105: Failed to claim PCI_IDSEL PIO!\n");
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/* Setup the PCI_SERR# PIO */
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if (gpio_request(IPTV7105_PIO_PCI_SERR, "PCI_SERR#") == 0) {
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gpio_direction_input(IPTV7105_PIO_PCI_SERR);
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iptv7105_pci_config.serr_irq =
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gpio_to_irq(IPTV7105_PIO_PCI_SERR);
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set_irq_type(iptv7105_pci_config.serr_irq, IRQ_TYPE_LEVEL_LOW);
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} else {
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printk(KERN_ERR "iptv7105: Failed to claim PCI SERR PIO!\n");
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}
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/* And finally! */
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stx7105_configure_pci(&iptv7105_pci_config);
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stx7105_configure_sata(0);
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/* Set SPI Boot pads as inputs to avoid contention with SSC1 */
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if (gpio_request(IPTV7105_PIO_SPI_BOOT_CLK, "SPI Boot CLK") == 0)
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gpio_direction_input(IPTV7105_PIO_SPI_BOOT_CLK);
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else
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printk(KERN_ERR "iptv7105: Failed to claim SPI Boot CLK!\n");
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if (gpio_request(IPTV7105_PIO_SPI_BOOT_DOUT, "SPI Boot DOUT") == 0)
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gpio_direction_input(IPTV7105_PIO_SPI_BOOT_DOUT);
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else
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printk(KERN_ERR "iptv7105: Failed to claim SPI Boot DOUT!\n");
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if (gpio_request(IPTV7105_PIO_SPI_BOOT_NOTCS, "SPI Boot NOTCS") == 0)
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gpio_direction_input(IPTV7105_PIO_SPI_BOOT_NOTCS);
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else
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printk(KERN_ERR "iptv7105: Failed to claim SPI Boot NOTCS!\n");
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if (gpio_request(IPTV7105_PIO_SPI_BOOT_DIN, "SPI Boot DIN") == 0)
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gpio_direction_input(IPTV7105_PIO_SPI_BOOT_DIN);
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else
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printk(KERN_ERR "iptv7105: Failed to claim SPI Boot DIN!\n");
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/* Serial Flash SPI bus */
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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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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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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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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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gpio_request(IPTV7105_PIO_PHY_RESET, "eth_phy_reset");
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gpio_direction_output(IPTV7105_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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stx7105_configure_lirc(&(struct stx7105_lirc_config) {
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.rx_mode = stx7105_lirc_rx_mode_ir,
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.tx_enabled = 1,
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.tx_od_enabled = 1, });
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stx7105_configure_audio(&(struct stx7105_audio_config) {
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.pcm_player_0_output =
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stx7105_pcm_player_0_output_2_channels,
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});
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/* just permanetly enable the flash*/
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gpio_request(IPTV7105_PIO_FLASH_VPP, "eth_phy_reset");
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gpio_direction_output(IPTV7105_PIO_FLASH_VPP, 1);
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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 = &iptv7105_nand_flash,
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.rbn.flex_connected = 1,});
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spi_register_board_info(&iptv7105_serial_flash, 1);
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return platform_add_devices(iptv7105_devices,
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ARRAY_SIZE(iptv7105_devices));
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}
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arch_initcall(iptv7105_devices_init);
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static void __iomem *iptv7105_ioport_map(unsigned long port,
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unsigned int size)
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{
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/*
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* If we have PCI then this should never be called because we
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* are using the generic iomap implementation. If we don't
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* have PCI then there are no IO mapped devices, so it still
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* shouldn't be called.
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*/
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BUG();
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return (void __iomem *)CCN_PVR;
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}
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struct sh_machine_vector mv_iptv7105 __initmv = {
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.mv_name = "iptv7105",
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.mv_setup = iptv7105_setup,
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.mv_nr_irqs = NR_IRQS,
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.mv_ioport_map = iptv7105_ioport_map,
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STM_PCI_IO_MACHINE_VEC
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};
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