1 files changed, 295 insertions, 0 deletions
diff --git a/kernel/arch/arm/mach-omap1/board-voiceblue.c b/kernel/arch/arm/mach-omap1/board-voiceblue.c
new file mode 100644
index 000000000..4677a9ccb
--- /dev/null
+++ b/kernel/arch/arm/mach-omap1/board-voiceblue.c
@@ -0,0 +1,295 @@
+/*
+ * linux/arch/arm/mach-omap1/board-voiceblue.c
+ *
+ * Modified from board-generic.c
+ *
+ * Copyright (C) 2004 2N Telekomunikace, Ladislav Michl <michl@2n.cz>
+ *
+ * Code for OMAP5910 based VoiceBlue board (VoIP to GSM gateway).
+ *
+ * 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/delay.h>
+#include <linux/gpio.h>
+#include <linux/platform_device.h>
+#include <linux/interrupt.h>
+#include <linux/irq.h>
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/mtd/physmap.h>
+#include <linux/notifier.h>
+#include <linux/reboot.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_reg.h>
+#include <linux/smc91x.h>
+#include <linux/export.h>
+#include <linux/reboot.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/map.h>
+
+#include <mach/board-voiceblue.h>
+#include <mach/flash.h>
+#include <mach/mux.h>
+#include <mach/tc.h>
+
+#include <mach/hardware.h>
+#include <mach/usb.h>
+
+#include "common.h"
+
+static struct plat_serial8250_port voiceblue_ports[] = {
+	{
+		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x40000),
+		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+		.iotype		= UPIO_MEM,
+		.regshift	= 1,
+		.uartclk	= 3686400,
+	},
+	{
+		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x50000),
+		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+		.iotype		= UPIO_MEM,
+		.regshift	= 1,
+		.uartclk	= 3686400,
+	},
+	{
+		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x60000),
+		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+		.iotype		= UPIO_MEM,
+		.regshift	= 1,
+		.uartclk	= 3686400,
+	},
+	{
+		.mapbase	= (unsigned long)(OMAP_CS1_PHYS + 0x70000),
+		.flags		= UPF_BOOT_AUTOCONF | UPF_IOREMAP,
+		.iotype		= UPIO_MEM,
+		.regshift	= 1,
+		.uartclk	= 3686400,
+	},
+	{ },
+};
+
+static struct platform_device serial_device = {
+	.name			= "serial8250",
+	.id			= PLAT8250_DEV_PLATFORM1,
+};
+
+static int __init ext_uart_init(void)
+{
+	if (!machine_is_voiceblue())
+		return -ENODEV;
+
+	voiceblue_ports[0].irq = gpio_to_irq(12);
+	voiceblue_ports[1].irq = gpio_to_irq(13);
+	voiceblue_ports[2].irq = gpio_to_irq(14);
+	voiceblue_ports[3].irq = gpio_to_irq(15);
+	serial_device.dev.platform_data = voiceblue_ports;
+	return platform_device_register(&serial_device);
+}
+arch_initcall(ext_uart_init);
+
+static struct physmap_flash_data voiceblue_flash_data = {
+	.width		= 2,
+	.set_vpp	= omap1_set_vpp,
+};
+
+static struct resource voiceblue_flash_resource = {
+	.start	= OMAP_CS0_PHYS,
+	.end	= OMAP_CS0_PHYS + SZ_32M - 1,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct platform_device voiceblue_flash_device = {
+	.name		= "physmap-flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data	= &voiceblue_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &voiceblue_flash_resource,
+};
+
+static struct smc91x_platdata voiceblue_smc91x_info = {
+	.flags	= SMC91X_USE_16BIT | SMC91X_NOWAIT,
+	.leda	= RPC_LED_100_10,
+	.ledb	= RPC_LED_TX_RX,
+};
+
+static struct resource voiceblue_smc91x_resources[] = {
+	[0] = {
+		.start	= OMAP_CS2_PHYS + 0x300,
+		.end	= OMAP_CS2_PHYS + 0x300 + 16,
+		.flags	= IORESOURCE_MEM,
+	},
+	[1] = {
+		.flags	= IORESOURCE_IRQ | IORESOURCE_IRQ_HIGHEDGE,
+	},
+};
+
+static struct platform_device voiceblue_smc91x_device = {
+	.name		= "smc91x",
+	.id		= 0,
+	.dev	= {
+		.platform_data	= &voiceblue_smc91x_info,
+	},
+	.num_resources	= ARRAY_SIZE(voiceblue_smc91x_resources),
+	.resource	= voiceblue_smc91x_resources,
+};
+
+static struct platform_device *voiceblue_devices[] __initdata = {
+	&voiceblue_flash_device,
+	&voiceblue_smc91x_device,
+};
+
+static struct omap_usb_config voiceblue_usb_config __initdata = {
+	.hmc_mode	= 3,
+	.register_host	= 1,
+	.register_dev   = 1,
+	.pins[0]	= 2,
+	.pins[1]	= 6,
+	.pins[2]	= 6,
+};
+
+#define MACHINE_PANICED		1
+#define MACHINE_REBOOTING	2
+#define MACHINE_REBOOT		4
+static unsigned long machine_state;
+
+static int panic_event(struct notifier_block *this, unsigned long event,
+	 void *ptr)
+{
+	if (test_and_set_bit(MACHINE_PANICED, &machine_state))
+		return NOTIFY_DONE;
+
+	/* Flash power LED */
+	omap_writeb(0x78, OMAP_LPG1_LCR);
+	omap_writeb(0x01, OMAP_LPG1_PMR);	/* Enable clock */
+
+	return NOTIFY_DONE;
+}
+
+static struct notifier_block panic_block = {
+	.notifier_call	= panic_event,
+};
+
+static int __init voiceblue_setup(void)
+{
+	if (!machine_is_voiceblue())
+		return -ENODEV;
+
+	/* Setup panic notifier */
+	atomic_notifier_chain_register(&panic_notifier_list, &panic_block);
+
+	return 0;
+}
+postcore_initcall(voiceblue_setup);
+
+static int wdt_gpio_state;
+
+void voiceblue_wdt_enable(void)
+{
+	gpio_direction_output(0, 0);
+	gpio_set_value(0, 1);
+	gpio_set_value(0, 0);
+	wdt_gpio_state = 0;
+}
+
+void voiceblue_wdt_disable(void)
+{
+	gpio_set_value(0, 0);
+	gpio_set_value(0, 1);
+	gpio_set_value(0, 0);
+	gpio_direction_input(0);
+}
+
+void voiceblue_wdt_ping(void)
+{
+	if (test_bit(MACHINE_REBOOT, &machine_state))
+		return;
+
+	wdt_gpio_state = !wdt_gpio_state;
+	gpio_set_value(0, wdt_gpio_state);
+}
+
+static void voiceblue_restart(enum reboot_mode mode, const char *cmd)
+{
+	/*
+	 * Workaround for 5912/1611b bug mentioned in sprz209d.pdf p. 28
+	 * "Global Software Reset Affects Traffic Controller Frequency".
+	 */
+	if (cpu_is_omap5912()) {
+		omap_writew(omap_readw(DPLL_CTL) & ~(1 << 4), DPLL_CTL);
+		omap_writew(0x8, ARM_RSTCT1);
+	}
+
+	set_bit(MACHINE_REBOOT, &machine_state);
+	voiceblue_wdt_enable();
+	while (1) ;
+}
+
+EXPORT_SYMBOL(voiceblue_wdt_enable);
+EXPORT_SYMBOL(voiceblue_wdt_disable);
+EXPORT_SYMBOL(voiceblue_wdt_ping);
+
+static void __init voiceblue_init(void)
+{
+	/* 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);
+
+	/* Watchdog */
+	gpio_request(0, "Watchdog");
+	/* smc91x reset */
+	gpio_request(7, "SMC91x reset");
+	gpio_direction_output(7, 1);
+	udelay(2);	/* wait at least 100ns */
+	gpio_set_value(7, 0);
+	mdelay(50);	/* 50ms until PHY ready */
+	/* smc91x interrupt pin */
+	gpio_request(8, "SMC91x irq");
+	/* 16C554 reset*/
+	gpio_request(6, "16C554 reset");
+	gpio_direction_output(6, 0);
+	/* 16C554 interrupt pins */
+	gpio_request(12, "16C554 irq");
+	gpio_request(13, "16C554 irq");
+	gpio_request(14, "16C554 irq");
+	gpio_request(15, "16C554 irq");
+	irq_set_irq_type(gpio_to_irq(12), IRQ_TYPE_EDGE_RISING);
+	irq_set_irq_type(gpio_to_irq(13), IRQ_TYPE_EDGE_RISING);
+	irq_set_irq_type(gpio_to_irq(14), IRQ_TYPE_EDGE_RISING);
+	irq_set_irq_type(gpio_to_irq(15), IRQ_TYPE_EDGE_RISING);
+
+	voiceblue_smc91x_resources[1].start = gpio_to_irq(8);
+	voiceblue_smc91x_resources[1].end = gpio_to_irq(8);
+	platform_add_devices(voiceblue_devices, ARRAY_SIZE(voiceblue_devices));
+	omap_serial_init();
+	omap1_usb_init(&voiceblue_usb_config);
+	omap_register_i2c_bus(1, 100, NULL, 0);
+
+	/* There is a good chance board is going up, so enable power LED
+	 * (it is connected through invertor) */
+	omap_writeb(0x00, OMAP_LPG1_LCR);
+	omap_writeb(0x00, OMAP_LPG1_PMR);	/* Disable clock */
+}
+
+MACHINE_START(VOICEBLUE, "VoiceBlue OMAP5910")
+	/* Maintainer: Ladislav Michl <michl@2n.cz> */
+	.atag_offset	= 0x100,
+	.map_io		= omap15xx_map_io,
+	.init_early     = omap1_init_early,
+	.init_irq	= omap1_init_irq,
+	.init_machine	= voiceblue_init,
+	.init_late	= omap1_init_late,
+	.init_time	= omap1_timer_init,
+	.restart	= voiceblue_restart,
+MACHINE_END