87bd63f647
Patch from Tony Lindgren This patch fixes the low-level IO init for omap1 boards. Signed-off-by: Tony Lindgren <tony@atomide.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
315 lines
7.7 KiB
C
315 lines
7.7 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-innovator.c
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*
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* Board specific inits for OMAP-1510 and OMAP-1610 Innovator
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*
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* Copyright (C) 2001 RidgeRun, Inc.
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* Author: Greg Lonnon <glonnon@ridgerun.com>
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*
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* Copyright (C) 2002 MontaVista Software, Inc.
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*
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* Separated FPGA interrupts from innovator1510.c and cleaned up for 2.6
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* Copyright (C) 2004 Nokia Corporation by Tony Lindrgen <tony@atomide.com>
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*
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* This program is free software; you can redistribute it and/or modify
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* it under the terms of the GNU General Public License version 2 as
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* published by the Free Software Foundation.
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*/
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#include <linux/kernel.h>
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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/mtd/mtd.h>
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#include <linux/mtd/partitions.h>
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#include <asm/hardware.h>
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#include <asm/mach-types.h>
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#include <asm/mach/arch.h>
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#include <asm/mach/flash.h>
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#include <asm/mach/map.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/fpga.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/tc.h>
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#include <asm/arch/usb.h>
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#include <asm/arch/common.h>
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static struct mtd_partition innovator_partitions[] = {
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/* bootloader (U-Boot, etc) in first sector */
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{
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.name = "bootloader",
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.offset = 0,
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.size = SZ_128K,
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.mask_flags = MTD_WRITEABLE, /* force read-only */
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},
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/* bootloader params in the next sector */
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{
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.name = "params",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_128K,
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.mask_flags = 0,
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},
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/* kernel */
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{
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.name = "kernel",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_2M,
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.mask_flags = 0
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},
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/* rest of flash1 is a file system */
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{
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.name = "rootfs",
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.offset = MTDPART_OFS_APPEND,
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.size = SZ_16M - SZ_2M - 2 * SZ_128K,
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.mask_flags = 0
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},
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/* file system */
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{
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.name = "filesystem",
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.offset = MTDPART_OFS_APPEND,
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.size = MTDPART_SIZ_FULL,
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.mask_flags = 0
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}
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};
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static struct flash_platform_data innovator_flash_data = {
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.map_name = "cfi_probe",
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.width = 2,
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.parts = innovator_partitions,
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.nr_parts = ARRAY_SIZE(innovator_partitions),
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};
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static struct resource innovator_flash_resource = {
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.start = OMAP_CS0_PHYS,
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.end = OMAP_CS0_PHYS + SZ_32M - 1,
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.flags = IORESOURCE_MEM,
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};
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static struct platform_device innovator_flash_device = {
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.name = "omapflash",
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.id = 0,
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.dev = {
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.platform_data = &innovator_flash_data,
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},
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.num_resources = 1,
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.resource = &innovator_flash_resource,
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};
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#ifdef CONFIG_ARCH_OMAP15XX
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/* Only FPGA needs to be mapped here. All others are done with ioremap */
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static struct map_desc innovator1510_io_desc[] __initdata = {
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{
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.virtual = OMAP1510_FPGA_BASE,
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.pfn = __phys_to_pfn(OMAP1510_FPGA_START),
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.length = OMAP1510_FPGA_SIZE,
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.type = MT_DEVICE
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}
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};
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static struct resource innovator1510_smc91x_resources[] = {
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[0] = {
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.start = OMAP1510_FPGA_ETHR_START, /* Physical */
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.end = OMAP1510_FPGA_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = OMAP1510_INT_ETHER,
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.end = OMAP1510_INT_ETHER,
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device innovator1510_smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(innovator1510_smc91x_resources),
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.resource = innovator1510_smc91x_resources,
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};
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static struct platform_device *innovator1510_devices[] __initdata = {
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&innovator_flash_device,
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&innovator1510_smc91x_device,
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};
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#endif /* CONFIG_ARCH_OMAP15XX */
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#ifdef CONFIG_ARCH_OMAP16XX
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static struct resource innovator1610_smc91x_resources[] = {
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[0] = {
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.start = INNOVATOR1610_ETHR_START, /* Physical */
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.end = INNOVATOR1610_ETHR_START + 0xf,
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.flags = IORESOURCE_MEM,
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},
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[1] = {
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.start = OMAP_GPIO_IRQ(0),
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.end = OMAP_GPIO_IRQ(0),
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.flags = IORESOURCE_IRQ,
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},
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};
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static struct platform_device innovator1610_smc91x_device = {
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.name = "smc91x",
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.id = 0,
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.num_resources = ARRAY_SIZE(innovator1610_smc91x_resources),
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.resource = innovator1610_smc91x_resources,
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};
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static struct platform_device *innovator1610_devices[] __initdata = {
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&innovator_flash_device,
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&innovator1610_smc91x_device,
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};
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#endif /* CONFIG_ARCH_OMAP16XX */
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static void __init innovator_init_smc91x(void)
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{
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if (cpu_is_omap1510()) {
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fpga_write(fpga_read(OMAP1510_FPGA_RST) & ~1,
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OMAP1510_FPGA_RST);
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udelay(750);
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} else {
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if ((omap_request_gpio(0)) < 0) {
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printk("Error requesting gpio 0 for smc91x irq\n");
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return;
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}
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}
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}
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void innovator_init_irq(void)
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{
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omap1_init_common_hw();
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omap_init_irq();
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omap_gpio_init();
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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omap1510_fpga_init_irq();
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}
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#endif
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innovator_init_smc91x();
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}
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#ifdef CONFIG_ARCH_OMAP15XX
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static struct omap_usb_config innovator1510_usb_config __initdata = {
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/* for bundled non-standard host and peripheral cables */
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.hmc_mode = 4,
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.register_host = 1,
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.pins[1] = 6,
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.pins[2] = 6, /* Conflicts with UART2 */
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.register_dev = 1,
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.pins[0] = 2,
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};
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static struct omap_lcd_config innovator1510_lcd_config __initdata = {
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.panel_name = "inn1510",
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.ctrl_name = "internal",
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};
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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static struct omap_usb_config h2_usb_config __initdata = {
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/* usb1 has a Mini-AB port and external isp1301 transceiver */
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.otg = 2,
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#ifdef CONFIG_USB_GADGET_OMAP
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.hmc_mode = 19, // 0:host(off) 1:dev|otg 2:disabled
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// .hmc_mode = 21, // 0:host(off) 1:dev(loopback) 2:host(loopback)
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#elif defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
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/* NONSTANDARD CABLE NEEDED (B-to-Mini-B) */
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.hmc_mode = 20, // 1:dev|otg(off) 1:host 2:disabled
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#endif
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.pins[1] = 3,
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};
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static struct omap_lcd_config innovator1610_lcd_config __initdata = {
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.panel_name = "inn1610",
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.ctrl_name = "internal",
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};
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#endif
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static struct omap_mmc_config innovator_mmc_config __initdata = {
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.mmc [0] = {
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.enabled = 1,
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.wire4 = 1,
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.wp_pin = OMAP_MPUIO(3),
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.power_pin = -1, /* FPGA F3 UIO42 */
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.switch_pin = -1, /* FPGA F4 UIO43 */
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},
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};
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static struct omap_uart_config innovator_uart_config __initdata = {
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.enabled_uarts = ((1 << 0) | (1 << 1) | (1 << 2)),
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};
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static struct omap_board_config_kernel innovator_config[] = {
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{ OMAP_TAG_USB, NULL },
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{ OMAP_TAG_LCD, NULL },
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{ OMAP_TAG_MMC, &innovator_mmc_config },
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{ OMAP_TAG_UART, &innovator_uart_config },
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};
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static void __init innovator_init(void)
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{
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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platform_add_devices(innovator1510_devices, ARRAY_SIZE(innovator1510_devices));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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if (!cpu_is_omap1510()) {
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platform_add_devices(innovator1610_devices, ARRAY_SIZE(innovator1610_devices));
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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innovator_config[0].data = &innovator1510_usb_config;
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innovator_config[1].data = &innovator1510_lcd_config;
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}
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#endif
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#ifdef CONFIG_ARCH_OMAP16XX
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if (cpu_is_omap1610()) {
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innovator_config[0].data = &h2_usb_config;
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innovator_config[1].data = &innovator1610_lcd_config;
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}
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#endif
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omap_board_config = innovator_config;
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omap_board_config_size = ARRAY_SIZE(innovator_config);
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omap_serial_init();
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}
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static void __init innovator_map_io(void)
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{
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omap1_map_common_io();
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#ifdef CONFIG_ARCH_OMAP15XX
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if (cpu_is_omap1510()) {
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iotable_init(innovator1510_io_desc, ARRAY_SIZE(innovator1510_io_desc));
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udelay(10); /* Delay needed for FPGA */
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/* Dump the Innovator FPGA rev early - useful info for support. */
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printk("Innovator FPGA Rev %d.%d Board Rev %d\n",
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fpga_read(OMAP1510_FPGA_REV_HIGH),
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fpga_read(OMAP1510_FPGA_REV_LOW),
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fpga_read(OMAP1510_FPGA_BOARD_REV));
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}
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#endif
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}
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MACHINE_START(OMAP_INNOVATOR, "TI-Innovator")
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/* Maintainer: MontaVista Software, Inc. */
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.phys_io = 0xfff00000,
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.io_pg_offst = ((0xfef00000) >> 18) & 0xfffc,
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.boot_params = 0x10000100,
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.map_io = innovator_map_io,
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.init_irq = innovator_init_irq,
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.init_machine = innovator_init,
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.timer = &omap_timer,
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MACHINE_END
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