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-/*
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- * linux/arch/arm/mach-omap1/board-voiceblue.c
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- *
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- * Modified from board-generic.c
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- *
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- * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
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- *
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- * Code for OMAP5910 based VoiceBlue board (VoIP to GSM gateway).
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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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-
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-#include <linux/delay.h>
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-#include <linux/gpio.h>
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-#include <linux/platform_device.h>
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-#include <linux/interrupt.h>
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-#include <linux/irq.h>
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-#include <linux/init.h>
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-#include <linux/kernel.h>
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-#include <linux/mtd/physmap.h>
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-#include <linux/notifier.h>
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-#include <linux/reboot.h>
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-#include <linux/serial_8250.h>
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-#include <linux/serial_reg.h>
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-#include <linux/smc91x.h>
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-#include <linux/export.h>
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-#include <linux/reboot.h>
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-
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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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-
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-#include <mach/board-voiceblue.h>
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-#include <mach/flash.h>
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-#include <mach/mux.h>
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-#include <mach/tc.h>
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-
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-#include <mach/hardware.h>
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-#include <mach/usb.h>
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-
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-#include "common.h"
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-
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-static struct plat_serial8250_port voiceblue_ports[] = {
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- {
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- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x40000),
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- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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- .iotype = UPIO_MEM,
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- .regshift = 1,
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- .uartclk = 3686400,
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- },
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- {
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- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x50000),
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- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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- .iotype = UPIO_MEM,
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- .regshift = 1,
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- .uartclk = 3686400,
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- },
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- {
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- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x60000),
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- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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- .iotype = UPIO_MEM,
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- .regshift = 1,
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- .uartclk = 3686400,
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- },
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- {
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- .mapbase = (unsigned long)(OMAP_CS1_PHYS + 0x70000),
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- .flags = UPF_BOOT_AUTOCONF | UPF_IOREMAP,
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- .iotype = UPIO_MEM,
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- .regshift = 1,
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- .uartclk = 3686400,
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- },
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- { },
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-};
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-
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-static struct platform_device serial_device = {
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- .name = "serial8250",
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- .id = PLAT8250_DEV_PLATFORM1,
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-};
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-
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-static int __init ext_uart_init(void)
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-{
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- if (!machine_is_voiceblue())
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- return -ENODEV;
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-
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- voiceblue_ports[0].irq = gpio_to_irq(12);
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- voiceblue_ports[1].irq = gpio_to_irq(13);
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- voiceblue_ports[2].irq = gpio_to_irq(14);
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- voiceblue_ports[3].irq = gpio_to_irq(15);
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- serial_device.dev.platform_data = voiceblue_ports;
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- return platform_device_register(&serial_device);
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-}
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-arch_initcall(ext_uart_init);
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-
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-static struct physmap_flash_data voiceblue_flash_data = {
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- .width = 2,
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- .set_vpp = omap1_set_vpp,
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-};
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-
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-static struct resource voiceblue_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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-
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-static struct platform_device voiceblue_flash_device = {
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- .name = "physmap-flash",
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- .id = 0,
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- .dev = {
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- .platform_data = &voiceblue_flash_data,
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- },
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- .num_resources = 1,
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- .resource = &voiceblue_flash_resource,
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-};
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-
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-static struct smc91x_platdata voiceblue_smc91x_info = {
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- .flags = SMC91X_USE_16BIT | SMC91X_NOWAIT,
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- .leda = RPC_LED_100_10,
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- .ledb = RPC_LED_TX_RX,
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-};
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-
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-static struct resource voiceblue_smc91x_resources[] = {
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- [0] = {
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- .start = OMAP_CS2_PHYS + 0x300,
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- .end = OMAP_CS2_PHYS + 0x300 + 16,
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- .flags = IORESOURCE_MEM,
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- },
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- [1] = {
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- .flags = IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
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- },
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-};
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-
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-static struct platform_device voiceblue_smc91x_device = {
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- .name = "smc91x",
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- .id = 0,
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- .dev = {
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- .platform_data = &voiceblue_smc91x_info,
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- },
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- .num_resources = ARRAY_SIZE(voiceblue_smc91x_resources),
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- .resource = voiceblue_smc91x_resources,
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-};
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-
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-static struct platform_device *voiceblue_devices[] __initdata = {
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- &voiceblue_flash_device,
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- &voiceblue_smc91x_device,
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-};
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-
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-static struct omap_usb_config voiceblue_usb_config __initdata = {
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- .hmc_mode = 3,
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- .register_host = 1,
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- .register_dev = 1,
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- .pins[0] = 2,
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- .pins[1] = 6,
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- .pins[2] = 6,
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-};
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-
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-#define MACHINE_PANICED 1
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-#define MACHINE_REBOOTING 2
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-#define MACHINE_REBOOT 4
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-static unsigned long machine_state;
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-
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-static int panic_event(struct notifier_block *this, unsigned long event,
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- void *ptr)
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-{
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- if (test_and_set_bit(MACHINE_PANICED, &machine_state))
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- return NOTIFY_DONE;
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-
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- /* Flash power LED */
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- omap_writeb(0x78, OMAP_LPG1_LCR);
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- omap_writeb(0x01, OMAP_LPG1_PMR); /* Enable clock */
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-
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- return NOTIFY_DONE;
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-}
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-
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-static struct notifier_block panic_block = {
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- .notifier_call = panic_event,
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-};
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-
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-static int __init voiceblue_setup(void)
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-{
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- if (!machine_is_voiceblue())
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- return -ENODEV;
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-
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- /* Setup panic notifier */
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- atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
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-
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- return 0;
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-}
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-postcore_initcall(voiceblue_setup);
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-
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-static int wdt_gpio_state;
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-
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-void voiceblue_wdt_enable(void)
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-{
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- gpio_direction_output(0, 0);
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- gpio_set_value(0, 1);
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- gpio_set_value(0, 0);
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- wdt_gpio_state = 0;
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-}
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-
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-void voiceblue_wdt_disable(void)
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-{
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- gpio_set_value(0, 0);
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- gpio_set_value(0, 1);
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- gpio_set_value(0, 0);
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- gpio_direction_input(0);
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-}
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-
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-void voiceblue_wdt_ping(void)
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-{
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- if (test_bit(MACHINE_REBOOT, &machine_state))
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- return;
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-
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- wdt_gpio_state = !wdt_gpio_state;
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- gpio_set_value(0, wdt_gpio_state);
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-}
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-
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-static void voiceblue_restart(enum reboot_mode mode, const char *cmd)
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-{
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- /*
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- * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
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- * "Global Software Reset Affects Traffic Controller Frequency".
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- */
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- if (cpu_is_omap5912()) {
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- omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL);
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- omap_writew(0x8, ARM_RSTCT1);
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- }
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-
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- set_bit(MACHINE_REBOOT, &machine_state);
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- voiceblue_wdt_enable();
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- while (1) ;
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-}
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-
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-EXPORT_SYMBOL(voiceblue_wdt_enable);
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-EXPORT_SYMBOL(voiceblue_wdt_disable);
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-EXPORT_SYMBOL(voiceblue_wdt_ping);
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-
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-static void __init voiceblue_init(void)
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-{
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- /* mux pins for uarts */
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- omap_cfg_reg(UART1_TX);
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- omap_cfg_reg(UART1_RTS);
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- omap_cfg_reg(UART2_TX);
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- omap_cfg_reg(UART2_RTS);
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- omap_cfg_reg(UART3_TX);
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- omap_cfg_reg(UART3_RX);
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-
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- /* Watchdog */
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- gpio_request(0, "Watchdog");
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- /* smc91x reset */
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- gpio_request(7, "SMC91x reset");
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- gpio_direction_output(7, 1);
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- udelay(2); /* wait at least 100ns */
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- gpio_set_value(7, 0);
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- mdelay(50); /* 50ms until PHY ready */
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- /* smc91x interrupt pin */
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- gpio_request(8, "SMC91x irq");
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- /* 16C554 reset*/
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- gpio_request(6, "16C554 reset");
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- gpio_direction_output(6, 0);
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- /* 16C554 interrupt pins */
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- gpio_request(12, "16C554 irq");
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- gpio_request(13, "16C554 irq");
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- gpio_request(14, "16C554 irq");
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- gpio_request(15, "16C554 irq");
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- irq_set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
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- irq_set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
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- irq_set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
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- irq_set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING);
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-
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- voiceblue_smc91x_resources[1].start = gpio_to_irq(8);
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- voiceblue_smc91x_resources[1].end = gpio_to_irq(8);
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- platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
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- omap_serial_init();
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- omap1_usb_init(&voiceblue_usb_config);
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- omap_register_i2c_bus(1, 100, NULL, 0);
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-
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- /* There is a good chance board is going up, so enable power LED
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- * (it is connected through invertor) */
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- omap_writeb(0x00, OMAP_LPG1_LCR);
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- omap_writeb(0x00, OMAP_LPG1_PMR); /* Disable clock */
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-}
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-
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-MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
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- /* Maintainer: Ladislav Michl <michl@2n.cz> */
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- .atag_offset = 0x100,
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- .map_io = omap15xx_map_io,
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- .init_early = omap1_init_early,
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- .init_irq = omap1_init_irq,
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- .handle_irq = omap1_handle_irq,
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- .init_machine = voiceblue_init,
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- .init_late = omap1_init_late,
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- .init_time = omap1_timer_init,
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- .restart = voiceblue_restart,
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-MACHINE_END
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