0711615290
One of the recent merges from mainline removed the Amstrad Delta USB support. This patch adds it back in; it's the same as was in 2.6.16-omap2. Signed-off-by: Jonathan McDowell <noodles@earth.li> Signed-off-by: Tony Lindgren <tony@atomide.com>
135 lines
3.2 KiB
C
135 lines
3.2 KiB
C
/*
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* linux/arch/arm/mach-omap1/board-ams-delta.c
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*
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* Modified from board-generic.c
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*
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* Board specific inits for the Amstrad E3 (codename Delta) videophone
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*
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* Copyright (C) 2006 Jonathan McDowell <noodles@earth.li>
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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 <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/map.h>
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#include <asm/arch/board-ams-delta.h>
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#include <asm/arch/gpio.h>
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#include <asm/arch/mux.h>
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#include <asm/arch/usb.h>
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#include <asm/arch/board.h>
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#include <asm/arch/common.h>
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static u8 ams_delta_latch1_reg;
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static u16 ams_delta_latch2_reg;
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void ams_delta_latch1_write(u8 mask, u8 value)
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{
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ams_delta_latch1_reg &= ~mask;
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ams_delta_latch1_reg |= value;
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*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
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}
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void ams_delta_latch2_write(u16 mask, u16 value)
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{
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ams_delta_latch2_reg &= ~mask;
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ams_delta_latch2_reg |= value;
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*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
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}
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static void __init ams_delta_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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}
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static struct map_desc ams_delta_io_desc[] __initdata = {
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// AMS_DELTA_LATCH1
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{
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.virtual = AMS_DELTA_LATCH1_VIRT,
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.pfn = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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// AMS_DELTA_LATCH2
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{
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.virtual = AMS_DELTA_LATCH2_VIRT,
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.pfn = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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},
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// AMS_DELTA_MODEM
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{
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.virtual = AMS_DELTA_MODEM_VIRT,
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.pfn = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
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.length = 0x01000000,
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.type = MT_DEVICE
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}
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};
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static struct omap_uart_config ams_delta_uart_config __initdata = {
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.enabled_uarts = 1,
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};
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static struct omap_usb_config ams_delta_usb_config __initdata = {
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.register_host = 1,
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.hmc_mode = 16,
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.pins[0] = 2,
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};
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static struct omap_board_config_kernel ams_delta_config[] = {
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{ OMAP_TAG_UART, &ams_delta_uart_config },
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{ OMAP_TAG_USB, &ams_delta_usb_config },
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};
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static struct platform_device ams_delta_led_device = {
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.name = "ams-delta-led",
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.id = -1
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};
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static struct platform_device *ams_delta_devices[] __initdata = {
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&ams_delta_led_device,
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};
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static void __init ams_delta_init(void)
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{
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iotable_init(ams_delta_io_desc, ARRAY_SIZE(ams_delta_io_desc));
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omap_board_config = ams_delta_config;
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omap_board_config_size = ARRAY_SIZE(ams_delta_config);
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omap_serial_init();
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/* Clear latch2 (NAND, LCD, modem enable) */
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ams_delta_latch2_write(~0, 0);
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platform_add_devices(ams_delta_devices, ARRAY_SIZE(ams_delta_devices));
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}
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static void __init ams_delta_map_io(void)
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{
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omap1_map_common_io();
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}
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MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
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/* Maintainer: Jonathan McDowell <noodles@earth.li> */
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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 = ams_delta_map_io,
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.init_irq = ams_delta_init_irq,
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.init_machine = ams_delta_init,
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.timer = &omap_timer,
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MACHINE_END
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EXPORT_SYMBOL(ams_delta_latch1_write);
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EXPORT_SYMBOL(ams_delta_latch2_write);
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