- 根目录:
- arch
- arm
- mach-omap1
- board-innovator.c
/*
* linux/arch/arm/mach-omap1/board-innovator.c
*
* Board specific inits for OMAP-1510 and OMAP-1610 Innovator
*
* Copyright (C) 2001 RidgeRun, Inc.
* Author: Greg Lonnon <glonnon@ridgerun.com>
*
* Copyright (C) 2002 MontaVista Software, Inc.
*
* Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
* Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/delay.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
#include <linux/mtd/physmap.h>
#include <linux/input.h>
#include <linux/smc91x.h>
#include <linux/omapfb.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/map.h>
#include <mach/mux.h>
#include <mach/flash.h>
#include <mach/tc.h>
#include <linux/platform_data/keypad-omap.h>
#include <mach/hardware.h>
#include <mach/usb.h>
#include "iomap.h"
#include "common.h"
#include "mmc.h"
/* At OMAP1610 Innovator the Ethernet is directly connected to CS1 */
#define INNOVATOR1610_ETHR_START 0x04000300
static const unsigned int innovator_keymap[] = {
KEY(0, 0, KEY_F1),
KEY(3, 0, KEY_DOWN),
KEY(1, 1, KEY_F2),
KEY(2, 1, KEY_RIGHT),
KEY(0, 2, KEY_F3),
KEY(1, 2, KEY_F4),
KEY(2, 2, KEY_UP),
KEY(2, 3, KEY_ENTER),
KEY(3, 3, KEY_LEFT),
};
static struct mtd_partition innovator_partitions[] = {
/* bootloader (U-Boot, etc) in first sector */
{
.name = "bootloader",
.offset = 0,
.size = SZ_128K,
.mask_flags = MTD_WRITEABLE, /* force read-only */
},
/* bootloader params in the next sector */
{
.name = "params",
.offset = MTDPART_OFS_APPEND,
.size = SZ_128K,
.mask_flags = 0,
},
/* kernel */
{
.name = "kernel",
.offset = MTDPART_OFS_APPEND,
.size = SZ_2M,
.mask_flags = 0
},
/* rest of flash1 is a file system */
{
.name = "rootfs",
.offset = MTDPART_OFS_APPEND,
.size = SZ_16M - SZ_2M - 2 * SZ_128K,
.mask_flags = 0
},
/* file system */
{
.name = "filesystem",
.offset = MTDPART_OFS_APPEND,
.size = MTDPART_SIZ_FULL,
.mask_flags = 0
}
};
static struct physmap_flash_data innovator_flash_data = {
.width = 2,
.set_vpp = omap1_set_vpp,
.parts = innovator_partitions,
.nr_parts = ARRAY_SIZE(innovator_partitions),
};
static struct resource innovator_flash_resource = {
.start = OMAP_CS0_PHYS,
.end = OMAP_CS0_PHYS + SZ_32M - 1,
.flags = IORESOURCE_MEM,
};
static struct platform_device innovator_flash_device = {
.name = "physmap-flash",
.id = 0,
.dev = {
.platform_data = &innovator_flash_data,
},
.num_resources = 1,
.resource = &innovator_flash_resource,
};
static struct resource innovator_kp_resources[] = {
[0] = {
.start = INT_KEYBOARD,
.end = INT_KEYBOARD,
.flags = IORESOURCE_IRQ,
},
};
static const struct matrix_keymap_data innovator_keymap_data = {
.keymap = innovator_keymap,
.keymap_size = ARRAY_SIZE(innovator_keymap),
};
static struct omap_kp_platform_data innovator_kp_data = {
.rows = 8,
.cols = 8,
.keymap_data = &innovator_keymap_data,
.delay = 4,
};
static struct platform_device innovator_kp_device = {
.name = "omap-keypad",
.id = -1,
.dev = {
.platform_data = &innovator_kp_data,
},
.num_resources = ARRAY_SIZE(innovator_kp_resources),
.resource = innovator_kp_resources,
};
static struct smc91x_platdata innovator_smc91x_info = {
.flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
.leda = RPC_LED_100_10,
.ledb = RPC_LED_TX_RX,
};
#ifdef CONFIG_ARCH_OMAP15XX
#include <linux/spi/spi.h>
#include <linux/spi/ads7846.h>
/* Only FPGA needs to be mapped here. All others are done with ioremap */
static struct map_desc innovator1510_io_desc[] __initdata = {
{
.virtual = OMAP1510_FPGA_BASE,
.pfn = __phys_to_pfn(OMAP1510_FPGA_START),
.length = OMAP1510_FPGA_SIZE,
.type = MT_DEVICE
}
};
static struct resource innovator1510_smc91x_resources[] = {
[0] = {
.start = OMAP1510_FPGA_ETHR_START, /* Physical */
.end = OMAP1510_FPGA_ETHR_START + 0xf,
.flags = IORESOURCE_MEM,
},
[1] = {
.start = OMAP1510_INT_ETHER,
.end = OMAP1510_INT_ETHER,
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
},
};
static struct platform_device innovator1510_smc91x_device = {
.name = "smc91x",
.id = 0,
.dev = {
.platform_data = &innovator_smc91x_info,
},
.num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
.resource = innovator1510_smc91x_resources,
};
static struct platform_device innovator1510_lcd_device = {
.name = "lcd_inn1510",
.id = -1,
};
static struct platform_device innovator1510_spi_device = {
.name = "spi_inn1510",
.id = -1,
};
static struct platform_device *innovator1510_devices[] __initdata = {
&innovator_flash_device,
&innovator1510_smc91x_device,
&innovator_kp_device,
&innovator1510_lcd_device,
&innovator1510_spi_device,
};
static int innovator_get_pendown_state(void)
{
return !(__raw_readb(OMAP1510_FPGA_TOUCHSCREEN) & (1 << 5));
}
static const struct ads7846_platform_data innovator1510_ts_info = {
.model = 7846,
.vref_delay_usecs = 100, /* internal, no capacitor */
.x_plate_ohms = 419,
.y_plate_ohms = 486,
.get_pendown_state = innovator_get_pendown_state,
};
static struct spi_board_info __initdata innovator1510_boardinfo[] = { {
/* FPGA (bus "10") CS0 has an ads7846e */
.modalias = "ads7846",
.platform_data = &innovator1510_ts_info,
.irq = OMAP1510_INT_FPGA_TS,
.max_speed_hz = 120000 /* max sample rate at 3V */
* 26 /* command + data + overhead */,
.bus_num = 10,
.chip_select = 0,
} };
#endif /* CONFIG_ARCH_OMAP15XX */
#ifdef CONFIG_ARCH_OMAP16XX
static struct resource innovator1610_smc91x_resources[] = {
[0] = {
.start = INNOVATOR1610_ETHR_START, /* Physical */
.end = INNOVATOR1610_ETHR_START + 0xf,
.flags = IORESOURCE_MEM,
},
[1] = {
.flags = IORESOURCE_IRQ | IORESOURCE_IRQ_LOWEDGE,
},
};
static struct platform_device innovator1610_smc91x_device = {
.name = "smc91x",
.id = 0,
.dev = {
.platform_data = &innovator_smc91x_info,
},
.num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
.resource = innovator1610_smc91x_resources,
};
static struct platform_device innovator1610_lcd_device = {
.name = "inn1610_lcd",
.id = -1,
};
static struct platform_device *innovator1610_devices[] __initdata = {
&innovator_flash_device,
&innovator1610_smc91x_device,
&innovator_kp_device,
&innovator1610_lcd_device,
};
#endif /* CONFIG_ARCH_OMAP16XX */
static void __init innovator_init_smc91x(void)
{
if (cpu_is_omap1510()) {
__raw_writeb(__raw_readb(OMAP1510_FPGA_RST) & ~1,
OMAP1510_FPGA_RST);
udelay(750);
} else {
if (gpio_request(0, "SMC91x irq") < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
}
}
#ifdef CONFIG_ARCH_OMAP15XX
static struct omap_usb_config innovator1510_usb_config __initdata = {
/* for bundled non-standard host and peripheral cables */
.hmc_mode = 4,
.register_host = 1,
.pins[1] = 6,
.pins[2] = 6, /* Conflicts with UART2 */
.register_dev = 1,
.pins[0] = 2,
};
static struct omap_lcd_config innovator1510_lcd_config __initdata = {
.ctrl_name = "internal",
};
#endif
#ifdef CONFIG_ARCH_OMAP16XX
static struct omap_usb_config h2_usb_config __initdata = {
/* usb1 has a Mini-AB port and external isp1301 transceiver */
.otg = 2,
#if IS_ENABLED(CONFIG_USB_OMAP)
.hmc_mode = 19, /* 0:host(off) 1:dev|otg 2:disabled */
/* .hmc_mode = 21,*/ /* 0:host(off) 1:dev(loopback) 2:host(loopback) */
#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
.hmc_mode = 20, /* 1:dev|otg(off) 1:host 2:disabled */
#endif
.pins[1] = 3,
};
static struct omap_lcd_config innovator1610_lcd_config __initdata = {
.ctrl_name = "internal",
};
#endif
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static int mmc_set_power(struct device *dev, int slot, int power_on,
int vdd)
{
if (power_on)
__raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) | (1 << 3),
OMAP1510_FPGA_POWER);
else
__raw_writeb(__raw_readb(OMAP1510_FPGA_POWER) & ~(1 << 3),
OMAP1510_FPGA_POWER);
return 0;
}
/*
* Innovator could use the following functions tested:
* - mmc_get_wp that uses OMAP_MPUIO(3)
* - mmc_get_cover_state that uses FPGA F4 UIO43
*/
static struct omap_mmc_platform_data mmc1_data = {
.nr_slots = 1,
.slots[0] = {
.set_power = mmc_set_power,
.wires = 4,
.name = "mmcblk",
},
};
static struct omap_mmc_platform_data *mmc_data[OMAP16XX_NR_MMC];
static void __init innovator_mmc_init(void)
{
mmc_data[0] = &mmc1_data;
omap1_init_mmc(mmc_data, OMAP15XX_NR_MMC);
}
#else
static inline void innovator_mmc_init(void)
{
}
#endif
static void __init innovator_init(void)
{
if (cpu_is_omap1510())
omap1510_fpga_init_irq();
innovator_init_smc91x();
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
unsigned char reg;
/* mux pins for uarts */
omap_cfg_reg(UART1_TX);
omap_cfg_reg(UART1_RTS);
omap_cfg_reg(UART2_TX);
omap_cfg_reg(UART2_RTS);
omap_cfg_reg(UART3_TX);
omap_cfg_reg(UART3_RX);
reg = __raw_readb(OMAP1510_FPGA_POWER);
reg |= OMAP1510_FPGA_PCR_COM1_EN;
__raw_writeb(reg, OMAP1510_FPGA_POWER);
udelay(10);
reg = __raw_readb(OMAP1510_FPGA_POWER);
reg |= OMAP1510_FPGA_PCR_COM2_EN;
__raw_writeb(reg, OMAP1510_FPGA_POWER);
udelay(10);
platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
spi_register_board_info(innovator1510_boardinfo,
ARRAY_SIZE(innovator1510_boardinfo));
}
#endif
#ifdef CONFIG_ARCH_OMAP16XX
if (!cpu_is_omap1510()) {
innovator1610_smc91x_resources[1].start = gpio_to_irq(0);
innovator1610_smc91x_resources[1].end = gpio_to_irq(0);
platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
}
#endif
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
omap1_usb_init(&innovator1510_usb_config);
omapfb_set_lcd_config(&innovator1510_lcd_config);
}
#endif
#ifdef CONFIG_ARCH_OMAP16XX
if (cpu_is_omap1610()) {
omap1_usb_init(&h2_usb_config);
omapfb_set_lcd_config(&innovator1610_lcd_config);
}
#endif
omap_serial_init();
omap_register_i2c_bus(1, 100, NULL, 0);
innovator_mmc_init();
}
/*
* REVISIT: Assume 15xx for now, we don't want to do revision check
* until later on. The right way to fix this is to set up a different
* machine_id for 16xx Innovator, or use device tree.
*/
static void __init innovator_map_io(void)
{
#ifdef CONFIG_ARCH_OMAP15XX
omap15xx_map_io();
iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
udelay(10); /* Delay needed for FPGA */
/* Dump the Innovator FPGA rev early - useful info for support. */
pr_debug("Innovator FPGA Rev %d.%d Board Rev %d\n",
__raw_readb(OMAP1510_FPGA_REV_HIGH),
__raw_readb(OMAP1510_FPGA_REV_LOW),
__raw_readb(OMAP1510_FPGA_BOARD_REV));
#endif
}
MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
/* Maintainer: MontaVista Software, Inc. */
.atag_offset = 0x100,
.map_io = innovator_map_io,
.init_early = omap1_init_early,
.init_irq = omap1_init_irq,
.handle_irq = omap1_handle_irq,
.init_machine = innovator_init,
.init_late = omap1_init_late,
.init_time = omap1_timer_init,
.restart = omap1_restart,
MACHINE_END