satip-axe/kernel/arch/sh/boards/mach-hdk7106/setup.c
2015-03-26 17:24:57 +01:00

429 lines
11 KiB
C

/*
* arch/sh/boards/mach-hdk7106/setup.c
*
* Copyright (C) 2009 STMicroelectronics Limited
* Author: Pawel Moll (pawel.moll@st.com)
*
* May be copied or modified under the terms of the GNU General Public
* License. See linux/COPYING for more information.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/phy.h>
#include <linux/gpio.h>
#include <linux/leds.h>
#include <linux/tm1668.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/physmap.h>
#include <linux/stm/pci-glue.h>
#include <linux/stm/platform.h>
#include <linux/stm/stx7105.h>
#include <linux/stm/sysconf.h>
#include <linux/stm/emi.h>
#include <asm/irq-ilc.h>
/*
* FLASH setup depends on board boot configuration:
*
* boot-from-
* Mode Pins NOR NAND SPI
* ---------------- ----- ----- -----
* JE8-1 (Mode5) ON (E) OFF (W) ON (E)
* JE8-2 (Mode6) ON (E) ON (E) OFF (W)
* JE6-1 (Mode7) ON (W) ON (W) ON (W)
* JE6-2 (Mode8) ON (W) OFF (E) OFF (E)
*
* CS-Routing
* ----------------
* JE2 1-2 (N) 2-3 (S) 2-3 (S)
* JE11 1-2 (N) 2-3 (S) 2-3 (S)
*
* Post-boot Access
* ----------------
* NOR (limit) EMIA (64MB) EMIB (8MB) EMIB (8MB)
* NAND EMIB/FLEXB FLEXA FLEXA
* SPI SPIFSM SPIFSM SPIFSM
*
* Switch positions given in terms of (N)orth, (E)ast, (S)outh, and (W)est,
* viewing board with LED display South and power connector North.
*
*/
#define HDK7106_PIO_POWER_ON_ETHERNET stm_gpio(4, 2)
#define HDK7106_PIO_POWER_ON stm_gpio(4, 3)
#define HDK7106_PIO_PCI_SERR stm_gpio(15, 7)
static void __init hdk7106_setup(char **cmdline_p)
{
printk(KERN_INFO "STMicroelectronics HDK7106 board initialisation\n");
stx7105_early_device_init();
stx7105_configure_asc(2, &(struct stx7105_asc_config) {
.routing.asc2 = stx7105_asc2_pio4,
.hw_flow_control = 0,
.is_console = 1, });
}
static struct platform_device hdk7106_leds = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &(struct gpio_led_platform_data) {
.num_leds = 1,
.leds = (struct gpio_led[]) {
{
.name = "FP green",
.default_trigger = "heartbeat",
.gpio = stm_gpio(3, 1),
.active_low = 1,
},
},
},
};
static struct tm1668_key hdk7106_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 hdk7106_front_panel_characters[] = {
TM1668_7_SEG_HEX_DIGITS,
TM1668_7_SEG_HEX_DIGITS_WITH_DOT,
TM1668_7_SEG_SEGMENTS,
};
static struct platform_device hdk7106_front_panel = {
.name = "tm1668",
.id = -1,
.dev.platform_data = &(struct tm1668_platform_data) {
.gpio_dio = stm_gpio(5, 1),
.gpio_sclk = stm_gpio(5, 0),
.gpio_stb = stm_gpio(5, 2),
.config = tm1668_config_6_digits_12_segments,
.keys_num = ARRAY_SIZE(hdk7106_front_panel_keys),
.keys = hdk7106_front_panel_keys,
.keys_poll_period = DIV_ROUND_UP(HZ, 5),
.brightness = 8,
.characters_num = ARRAY_SIZE(hdk7106_front_panel_characters),
.characters = hdk7106_front_panel_characters,
.text = "7106",
},
};
/* PCI configuration */
static struct stm_plat_pci_config hdk7106_pci_config = {
.pci_irq = {
[0] = PCI_PIN_DEFAULT,
[1] = PCI_PIN_DEFAULT,
[2] = PCI_PIN_UNUSED,
[3] = PCI_PIN_UNUSED
},
.serr_irq = PCI_PIN_UNUSED, /* SERR PIO is shared with MII1_CRS */
.idsel_lo = 30,
.idsel_hi = 30,
.req_gnt = {
[0] = PCI_PIN_DEFAULT,
[1] = PCI_PIN_UNUSED,
[2] = PCI_PIN_UNUSED,
[3] = PCI_PIN_UNUSED
},
.pci_clk = 33333333,
.pci_reset_gpio = HDK7106_PIO_PCI_SERR,
};
int pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
/* We can use the standard function on this board */
return stx7105_pcibios_map_platform_irq(&hdk7106_pci_config, pin);
}
static int hdk7106_phy_reset(void *bus)
{
gpio_set_value(HDK7106_PIO_POWER_ON_ETHERNET, 0);
udelay(10000); /* 10 milliseconds is enough for everyone ;-) */
gpio_set_value(HDK7106_PIO_POWER_ON_ETHERNET, 1);
return 1;
}
static struct stmmac_mdio_bus_data stmmac0_mdio_bus = {
.bus_id = 0,
.phy_reset = hdk7106_phy_reset,
.phy_mask = 0,
};
#ifdef CONFIG_SH_ST_HDK7106_STMMAC1
static struct stmmac_mdio_bus_data stmmac1_mdio_bus = {
.bus_id = 1,
.phy_reset = hdk7106_phy_reset,
.phy_mask = 0,
};
#endif
/* NOR Flash */
static struct platform_device hdk7106_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,
}
},
},
};
/* NAND Flash */
struct stm_nand_bank_data hdk7106_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 = 30, /* in us */
},
};
/* Serial Flash */
static struct stm_plat_spifsm_data hdk7106_serial_flash = {
.name = "m25p32",
.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,
},
},
};
static struct platform_device *hdk7106_devices[] __initdata = {
&hdk7106_leds,
&hdk7106_front_panel,
&hdk7106_nor_flash,
};
static int __init device_init(void)
{
struct sysconf_field *sc;
u32 boot_mode;
unsigned long nor_bank_base = 0;
unsigned long nor_bank_size = 0;
/* Configure Flash according to boot-device */
sc = sysconf_claim(SYS_STA, 1, 5, 8, "boot_device");
boot_mode = sysconf_read(sc);
if (boot_mode == 0 || boot_mode == 5) {
/* 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;
hdk7106_nand_flash.csn = 1;
} else if ((boot_mode > 0 && boot_mode < 5) ||
(boot_mode > 5 && boot_mode < 10)) {
/* 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;
hdk7106_nand_flash.csn = 0;
} else if (boot_mode == 10 || boot_mode == 11) {
/* 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;
hdk7106_nand_flash.csn = 0;
} else {
BUG();
}
sysconf_release(sc);
/* Update NOR Flash base address and size: */
/* - limit bank size to 64MB (some targetpacks define 128MB!) */
if (nor_bank_size > 64*1024*1024)
nor_bank_size = 64*1024*1024;
/* - reduce visibility of NOR flash to EMI bank size */
if (hdk7106_nor_flash.resource[0].end > nor_bank_size - 1)
hdk7106_nor_flash.resource[0].end = nor_bank_size - 1;
/* - update resource parameters */
hdk7106_nor_flash.resource[0].start += nor_bank_base;
hdk7106_nor_flash.resource[0].end += nor_bank_base;
/* Setup the PCI_SERR# PIO */
if (gpio_request(HDK7106_PIO_PCI_SERR, "PCI_SERR#") == 0) {
gpio_direction_input(HDK7106_PIO_PCI_SERR);
hdk7106_pci_config.serr_irq =
gpio_to_irq(HDK7106_PIO_PCI_SERR);
set_irq_type(hdk7106_pci_config.serr_irq, IRQ_TYPE_LEVEL_LOW);
} else {
printk(KERN_WARNING "hdk7106: Failed to claim PCI SERR PIO!\n");
}
stx7105_configure_pci(&hdk7106_pci_config);
stx7105_configure_sata(0);
stx7105_configure_sata(1);
/* 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_xxxB - US2 (EEPROM), JV4 (SCART board connector),
* UV1 (AV buffer & filter), JN6 (MII1 connector),
* JN1 (NIM), JN3 */
stx7105_configure_ssc_i2c(1, &(struct stx7105_ssc_config) {
.routing.ssc1.sclk = stx7105_ssc1_sclk_pio2_5,
.routing.ssc1.mtsr = stx7105_ssc1_mtsr_pio2_6, });
/* I2C_xxxD - JN2 (NIM), JN4 */
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, });
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, });
/* The "POWER_ON_ETH" line should be rather called "PHY_RESET",
* but it isn't... ;-) */
gpio_request(HDK7106_PIO_POWER_ON_ETHERNET, "POWER_ON_ETHERNET");
gpio_direction_output(HDK7106_PIO_POWER_ON_ETHERNET, 0);
/* Some of the peripherals are powered by regulators
* triggered by the following PIO line... */
gpio_request(HDK7106_PIO_POWER_ON, "POWER_ON");
gpio_direction_output(HDK7106_PIO_POWER_ON, 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 = &stmmac0_mdio_bus,
});
#ifdef CONFIG_SH_ST_HDK7106_STMMAC1
stx7105_configure_ethernet(1, &(struct stx7105_ethernet_config) {
.mode = stx7105_ethernet_mode_mii,
.routing.mii1.mdio = stx7105_ethernet_mii1_mdio_pio3_4,
.routing.mii1.mdc = stx7105_ethernet_mii1_mdc_pio3_5,
.ext_clk = 1,
.phy_bus = 1,
.phy_addr = -1,
.mdio_bus_data = &stmmac1_mdio_bus,
});
#endif
stx7105_configure_lirc(NULL);
stx7105_configure_audio(&(struct stx7105_audio_config) {
.spdif_player_output_enabled = 1, });
/* HW note:
* There is and error on the 7106-HDK MMC daughter board V 1.0
* schematics.
* The STMPS2151STR Pin 4 should be 'EN' and the Pin 5 should be
* 'Power_IN'. These are reverse.
*/
stx7105_configure_mmc();
stx7105_configure_nand(&(struct stm_nand_config) {
.driver = stm_nand_flex,
.nr_banks = 1,
.banks = &hdk7106_nand_flash,
.rbn.flex_connected = 1,});
stx7106_configure_spifsm(&hdk7106_serial_flash);
return platform_add_devices(hdk7106_devices,
ARRAY_SIZE(hdk7106_devices));
}
arch_initcall(device_init);
static void __iomem *hdk7106_ioport_map(unsigned long port, unsigned int size)
{
/* If we have PCI then this should never be called because we
* are using the generic iomap implementation. If we don't
* have PCI then there are no IO mapped devices, so it still
* shouldn't be called. */
BUG();
return NULL;
}
struct sh_machine_vector mv_hdk7106 __initmv = {
.mv_name = "hdk7106",
.mv_setup = hdk7106_setup,
.mv_nr_irqs = NR_IRQS,
.mv_ioport_map = hdk7106_ioport_map,
STM_PCI_IO_MACHINE_VEC
};