diff options
Diffstat (limited to 'arch/arm/mach-omap/board-innovator.c')
| -rw-r--r-- | arch/arm/mach-omap/board-innovator.c | 280 |
1 files changed, 280 insertions, 0 deletions
diff --git a/arch/arm/mach-omap/board-innovator.c b/arch/arm/mach-omap/board-innovator.c new file mode 100644 index 00000000000..57cf4da88d5 --- /dev/null +++ b/arch/arm/mach-omap/board-innovator.c @@ -0,0 +1,280 @@ +/* + * linux/arch/arm/mach-omap/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/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/fpga.h> +#include <asm/arch/gpio.h> +#include <asm/arch/tc.h> +#include <asm/arch/usb.h> + +#include "common.h" + +static int __initdata innovator_serial_ports[OMAP_MAX_NR_PORTS] = {1, 1, 1}; + +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_OMAP1510 + +/* Only FPGA needs to be mapped here. All others are done with ioremap */ +static struct map_desc innovator1510_io_desc[] __initdata = { +{ OMAP1510_FPGA_BASE, OMAP1510_FPGA_START, OMAP1510_FPGA_SIZE, + 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_OMAP1510 */ + +#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; + } + omap_set_gpio_edge_ctrl(0, OMAP_GPIO_RISING_EDGE); + } +} + +void innovator_init_irq(void) +{ + omap_init_irq(); + omap_gpio_init(); +#ifdef CONFIG_ARCH_OMAP1510 + if (cpu_is_omap1510()) { + omap1510_fpga_init_irq(); + } +#endif + innovator_init_smc91x(); +} + +#ifdef CONFIG_ARCH_OMAP1510 +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, +}; +#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, +}; +#endif + +static struct omap_board_config_kernel innovator_config[] = { + { OMAP_TAG_USB, NULL }, +}; + +static void __init innovator_init(void) +{ +#ifdef CONFIG_ARCH_OMAP1510 + 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_OMAP1510 + if (cpu_is_omap1510()) + innovator_config[0].data = &innovator1510_usb_config; +#endif +#ifdef CONFIG_ARCH_OMAP16XX + if (cpu_is_omap1610()) + innovator_config[0].data = &h2_usb_config; +#endif + omap_board_config = innovator_config; + omap_board_config_size = ARRAY_SIZE(innovator_config); +} + +static void __init innovator_map_io(void) +{ + omap_map_io(); + +#ifdef CONFIG_ARCH_OMAP1510 + 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 + omap_serial_init(innovator_serial_ports); +} + +MACHINE_START(OMAP_INNOVATOR, "TI-Innovator") + MAINTAINER("MontaVista Software, Inc.") + BOOT_MEM(0x10000000, 0xfff00000, 0xfef00000) + BOOT_PARAMS(0x10000100) + MAPIO(innovator_map_io) + INITIRQ(innovator_init_irq) + INIT_MACHINE(innovator_init) + .timer = &omap_timer, +MACHINE_END |