diff options
Diffstat (limited to 'kernel/arch/arm/mach-omap1/board-innovator.c')
| -rw-r--r-- | kernel/arch/arm/mach-omap1/board-innovator.c | 463 |
1 files changed, 463 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/board-innovator.c b/kernel/arch/arm/mach-omap1/board-innovator.c new file mode 100644 index 000000000..c49ce83cc --- /dev/null +++ b/kernel/arch/arm/mach-omap1/board-innovator.c @@ -0,0 +1,463 @@ +/* + * 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, + .init_machine = innovator_init, + .init_late = omap1_init_late, + .init_time = omap1_timer_init, + .restart = omap1_restart, +MACHINE_END |