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linux/arch/arm/mach-omap1/board-innovator.c

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/*
* 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/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 <asm/hardware.h>
#include <asm/mach-types.h>
#include <asm/mach/arch.h>
#include <asm/mach/flash.h>
#include <asm/mach/map.h>
#include <asm/arch/mux.h>
#include <asm/arch/fpga.h>
#include <asm/arch/gpio.h>
#include <asm/arch/tc.h>
#include <asm/arch/usb.h>
#include <asm/arch/common.h>
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 flash_platform_data innovator_flash_data = {
.map_name = "cfi_probe",
.width = 2,
.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 = "omapflash",
.id = 0,
.dev = {
.platform_data = &innovator_flash_data,
},
.num_resources = 1,
.resource = &innovator_flash_resource,
};
#ifdef CONFIG_ARCH_OMAP15XX
/* 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,
},
};
static struct platform_device innovator1510_smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
.resource = innovator1510_smc91x_resources,
};
static struct platform_device *innovator1510_devices[] __initdata = {
&innovator_flash_device,
&innovator1510_smc91x_device,
};
#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] = {
.start = OMAP_GPIO_IRQ(0),
.end = OMAP_GPIO_IRQ(0),
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device innovator1610_smc91x_device = {
.name = "smc91x",
.id = 0,
.num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
.resource = innovator1610_smc91x_resources,
};
static struct platform_device *innovator1610_devices[] __initdata = {
&innovator_flash_device,
&innovator1610_smc91x_device,
};
#endif /* CONFIG_ARCH_OMAP16XX */
static void __init innovator_init_smc91x(void)
{
if (cpu_is_omap1510()) {
fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
OMAP1510_FPGA_RST);
udelay(750);
} else {
if ((omap_request_gpio(0)) < 0) {
printk("Error requesting gpio 0 for smc91x irq\n");
return;
}
}
}
void innovator_init_irq(void)
{
omap_init_irq();
omap_gpio_init();
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
omap1510_fpga_init_irq();
}
#endif
innovator_init_smc91x();
}
#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 = {
.panel_name = "inn1510",
.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,
#ifdef CONFIG_USB_GADGET_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 = {
.panel_name = "inn1610",
.ctrl_name = "internal",
};
#endif
static struct omap_mmc_config innovator_mmc_config __initdata = {
.mmc [0] = {
.enabled = 1,
.wire4 = 1,
.wp_pin = OMAP_MPUIO(3),
.power_pin = -1, /* FPGA F3 UIO42 */
.switch_pin = -1, /* FPGA F4 UIO43 */
},
};
static struct omap_uart_config innovator_uart_config __initdata = {
.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
};
static struct omap_board_config_kernel innovator_config[] = {
{ OMAP_TAG_USB, NULL },
{ OMAP_TAG_LCD, NULL },
{ OMAP_TAG_MMC, &innovator_mmc_config },
{ OMAP_TAG_UART, &innovator_uart_config },
};
static void __init innovator_init(void)
{
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
}
#endif
#ifdef CONFIG_ARCH_OMAP16XX
if (!cpu_is_omap1510()) {
platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
}
#endif
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
innovator_config[0].data = &innovator1510_usb_config;
innovator_config[1].data = &innovator1510_lcd_config;
}
#endif
#ifdef CONFIG_ARCH_OMAP16XX
if (cpu_is_omap1610()) {
innovator_config[0].data = &h2_usb_config;
innovator_config[1].data = &innovator1610_lcd_config;
}
#endif
omap_board_config = innovator_config;
omap_board_config_size = ARRAY_SIZE(innovator_config);
omap_serial_init();
}
static void __init innovator_map_io(void)
{
omap_map_common_io();
#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap1510()) {
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. */
printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
fpga_read(OMAP1510_FPGA_REV_HIGH),
fpga_read(OMAP1510_FPGA_REV_LOW),
fpga_read(OMAP1510_FPGA_BOARD_REV));
}
#endif
}
MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
/* Maintainer: MontaVista Software, Inc. */
.phys_ram = 0x10000000,
.phys_io = 0xfff00000,
.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
.boot_params = 0x10000100,
.map_io = innovator_map_io,
.init_irq = innovator_init_irq,
.init_machine = innovator_init,
.timer = &omap_timer,
MACHINE_END
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