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

340 lines
8.5 KiB
C

/*
* arch/sh/boards/mach-fldb/setup.c
*
* Copyright (C) 2010-2011 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.
*
* STMicroelectronics Freeman Lite Development Board support.
*/
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/io.h>
#include <linux/phy.h>
#include <linux/leds.h>
#include <linux/gpio.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/physmap.h>
#include <linux/stm/emi.h>
#include <linux/stm/platform.h>
#include <linux/stm/fli7510.h>
#include <linux/stm/pci-glue.h>
#include <asm/irq-ilc.h>
#include <sound/stm.h>
#define FLDB_PIO_RESET_OUTN stm_gpio(11, 6)
#define FLDB_PIO_PCI_IDSEL stm_gpio(16, 2)
#define FLDB_PIO_PCI_RESET stm_gpio(16, 5)
static void __init fldb_setup(char **cmdline_p)
{
printk(KERN_INFO "STMicroelectronics Freeman Lite Development Board "
"initialisation\n");
fli7510_early_device_init();
/* CNB1 ("UART 2" connector) */
fli7510_configure_asc(1, &(struct fli7510_asc_config) {
.hw_flow_control = 1,
.is_console = 1, });
/* CNB4 ("UART 3" connector) */
fli7510_configure_asc(2, &(struct fli7510_asc_config) {
.hw_flow_control = 0,
.is_console = 0, });
}
static struct platform_device fldb_led_df1 = {
.name = "leds-gpio",
.id = -1,
.dev.platform_data = &(struct gpio_led_platform_data) {
.num_leds = 1,
.leds = (struct gpio_led[]) {
{
.name = "DF1 orange",
.default_trigger = "heartbeat",
.gpio = stm_gpio(8, 5),
},
},
},
};
static struct stmmac_mdio_bus_data stmmac_mdio_bus = {
.bus_id = 0,
.phy_mask = 0,
};
/* Serial Flash */
static struct stm_plat_spifsm_data fldb_spifsm_flash = {
.name = "m25px64",
.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 */
static struct stm_nand_bank_data fldb_nand_flash = {
.csn = 1, /* updated in fldb_device_init() */
.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 */
},
};
/* NOR Flash */
static struct platform_device fldb_nor_flash = {
.name = "physmap-flash",
.id = -1,
.num_resources = 1,
.resource = (struct resource[]) {
{ /* updated in fldb_device_init() */
.start = 0x00000000,
.end = 32*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,
}
},
},
};
static struct platform_device *fldb_devices[] __initdata = {
&fldb_led_df1,
&fldb_nor_flash,
};
static struct stm_plat_pci_config fldb_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,
.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 = FLDB_PIO_PCI_RESET,
};
int pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
{
/* We can use the standard function on this board */
return fli7510_pcibios_map_platform_irq(&fldb_pci_config, pin);
}
static int __init fldb_device_init(void)
{
struct sysconf_field *sc;
unsigned long nor_bank_base = 0;
unsigned long nor_bank_size = 0;
/* Configure Flash according to boot device */
sc = sysconf_claim(CFG_MODE_PIN_STATUS, 7, 8, "boot_device");
switch (sysconf_read(sc)) {
case 0x0:
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;
fldb_nand_flash.csn = 1;
break;
case 0x1:
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;
fldb_nand_flash.csn = 0;
break;
case 0x2:
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;
fldb_nand_flash.csn = 0;
break;
default:
BUG();
break;
}
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 (fldb_nor_flash.resource[0].end > nor_bank_size - 1)
fldb_nor_flash.resource[0].end = nor_bank_size - 1;
/* - update resource parameters */
fldb_nor_flash.resource[0].start += nor_bank_base;
fldb_nor_flash.resource[0].end += nor_bank_base;
/* This is a board-level reset line, which goes to the
* Ethernet PHY, audio amps & number of extension connectors */
if (gpio_request(FLDB_PIO_RESET_OUTN, "RESET_OUTN") == 0) {
gpio_direction_output(FLDB_PIO_RESET_OUTN, 0);
udelay(10000); /* 10ms is the Ethernet PHY requirement */
gpio_set_value(FLDB_PIO_RESET_OUTN, 1);
} else {
printk(KERN_ERR "fldb: Failed to claim RESET_OUTN PIO!\n");
}
/* The IDSEL line is connected to PIO16.2 only... Luckily
* there is just one slot, so we can just force 1... */
if (gpio_request(FLDB_PIO_PCI_IDSEL, "PCI_IDSEL") == 0)
gpio_direction_output(FLDB_PIO_PCI_IDSEL, 1);
else
printk(KERN_ERR "fldb: Failed to claim PCI_IDSEL PIO!\n");
/* And finally! */
fli7510_configure_pci(&fldb_pci_config);
fli7510_configure_pwm(&(struct fli7510_pwm_config) {
.out0_enabled = 1,
#if 0
/* Connected to DF1 LED, currently used as a
* GPIO-controlled one (see above) */
.out1_enabled = 1,
#endif
#if 0
/* PWM driver doesn't support these yet... */
.out2_enabled = 1,
.out3_enabled = 1,
#endif
});
/* CNB2 ("I2C1" connector), CNJ2 ("FE Board" connector) */
fli7510_configure_ssc_i2c(0);
/* CNB3 ("I2C2" connector), UB2 (EEPROM), UH4 (STM8 uC),
* CNJ2 ("FE Board" connector) */
fli7510_configure_ssc_i2c(1);
/* CNB5 ("I2C3" connector), CNF3 ("LVDS Out C and D" connector),
* CNL1 ("Extension Board" connector) */
fli7510_configure_ssc_i2c(2);
/* CNK4 ("VGA In" connector), UK1 (EEPROM) */
fli7510_configure_ssc_i2c(3);
/* Leave SSC4 unconfigured, using SPI-FSM for Serial Flash */
fli7510_configure_spifsm(&fldb_spifsm_flash);
fli7510_configure_nand(&(struct stm_nand_config) {
.driver = stm_nand_flex,
.nr_banks = 1,
.banks = &fldb_nand_flash,
.rbn.flex_connected = 1,});
fli7510_configure_usb(0, &(struct fli7510_usb_config) {
.ovrcur_mode = fli7510_usb_ovrcur_active_low, });
fli7510_configure_ethernet(&(struct fli7510_ethernet_config) {
.mode = fli7510_ethernet_mode_mii,
.ext_clk = 0,
.phy_bus = 0,
.phy_addr = 1,
.mdio_bus_data = &stmmac_mdio_bus,
});
fli7510_configure_lirc();
/*
* To use the MMC/SD card with the external
* CNG6 connector, the CNG4 has to be connected to CNG3.
*/
fli7510_configure_mmc();
fli7510_configure_audio(&(struct fli7510_audio_config) {
.pcm_player_0_output_mode =
fli7510_pcm_player_0_output_8_channels,
.spdif_player_output_enabled = 1, });
return platform_add_devices(fldb_devices,
ARRAY_SIZE(fldb_devices));
}
arch_initcall(fldb_device_init);
static void __iomem *fldb_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 (void __iomem *)CCN_PVR;
}
struct sh_machine_vector mv_fldb __initmv = {
.mv_name = "fldb",
.mv_setup = fldb_setup,
.mv_nr_irqs = NR_IRQS,
.mv_ioport_map = fldb_ioport_map,
STM_PCI_IO_MACHINE_VEC
};