openwrt-archive/target/linux/ixp4xx/patches-4.4/130-wrt300nv2_support.patch

--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -93,6 +93,14 @@ config MACH_COMPEXWP18
 	  WP18 or NP18A boards. For more information on this
 	  platform, see http://www.compex.com.sg/home/OEM/product_ap.htm
 
+config MACH_WRT300NV2
+	bool "Linksys WRT300N v2"
+	select PCI
+	help
+	  Say 'Y' here if you want your kernel to support Linksys'
+	  WRT300N v2 router. For more information on this
+	  platform, see http://openwrt.org
+
 config ARCH_IXDP425
 	bool "IXDP425"
 	help
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -22,6 +22,7 @@ obj-pci-$(CONFIG_MACH_ARCOM_VULCAN)	+= v
 obj-pci-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-pci.o
 obj-pci-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-pci.o
 obj-pci-$(CONFIG_MACH_COMPEXWP18)	+= ixdp425-pci.o
+obj-pci-$(CONFIG_MACH_WRT300NV2)		+= wrt300nv2-pci.o
 
 obj-y	+= common.o
 
@@ -45,6 +46,7 @@ obj-$(CONFIG_MACH_ARCOM_VULCAN)	+= vulca
 obj-$(CONFIG_MACH_PRONGHORN)	+= pronghorn-setup.o
 obj-$(CONFIG_MACH_SIDEWINDER)	+= sidewinder-setup.o
 obj-$(CONFIG_MACH_COMPEXWP18)	+= compex42x-setup.o
+obj-$(CONFIG_MACH_WRT300NV2)	+= wrt300nv2-setup.o
 
 obj-$(CONFIG_PCI)		+= $(obj-pci-$(CONFIG_PCI)) common-pci.o
 obj-$(CONFIG_IXP4XX_QMGR)	+= ixp4xx_qmgr.o
--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
@@ -43,7 +43,8 @@ static __inline__ void __arch_decomp_set
 	if (machine_is_adi_coyote() || machine_is_gtwx5715() ||
 	    machine_is_gateway7001() || machine_is_wg302v2() ||
 	    machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
-	    machine_is_pronghorn() || machine_is_pronghorn_metro())
+	    machine_is_pronghorn() || machine_is_pronghorn_metro() ||
+	    machine_is_wrt300nv2())
 		uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
 	else
 		uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/wrt300nv2-pci.c
@@ -0,0 +1,64 @@
+/*
+ * arch/arch/mach-ixp4xx/wrt300nv2-pci.c
+ *
+ * PCI setup routines for Linksys WRT300N v2
+ *
+ * Copyright (C) 2007 Imre Kaloz <kaloz@openwrt.org>
+ *
+ * based on coyote-pci.c:
+ *	Copyright (C) 2002 Jungo Software Technologies.
+ *	Copyright (C) 2003 MontaVista Softwrae, Inc.
+ *
+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach-types.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+
+#include <asm/mach/pci.h>
+
+extern void ixp4xx_pci_preinit(void);
+extern int ixp4xx_setup(int nr, struct pci_sys_data *sys);
+extern struct pci_bus *ixp4xx_scan_bus(int nr, struct pci_sys_data *sys);
+
+void __init wrt300nv2_pci_preinit(void)
+{
+	irq_set_irq_type(IRQ_IXP4XX_GPIO8, IRQ_TYPE_LEVEL_LOW);
+
+	ixp4xx_pci_preinit();
+}
+
+static int __init wrt300nv2_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+	if (slot == 1)
+		return IRQ_IXP4XX_GPIO8;
+	else return -1;
+}
+
+struct hw_pci wrt300nv2_pci __initdata = {
+	.nr_controllers = 1,
+	.preinit	= wrt300nv2_pci_preinit,
+	.ops		= &ixp4xx_ops,
+	.setup		= ixp4xx_setup,
+	.map_irq	= wrt300nv2_map_irq,
+};
+
+int __init wrt300nv2_pci_init(void)
+{
+	if (machine_is_wrt300nv2())
+		pci_common_init(&wrt300nv2_pci);
+	return 0;
+}
+
+subsys_initcall(wrt300nv2_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/wrt300nv2-setup.c
@@ -0,0 +1,110 @@
+/*
+ * arch/arm/mach-ixp4xx/wrt300nv2-setup.c
+ *
+ * Board setup for the Linksys WRT300N v2
+ *
+ * Copyright (C) 2007 Imre Kaloz <Kaloz@openwrt.org>
+ *
+ * based on coyote-setup.c:
+ *      Copyright (C) 2003-2005 MontaVista Software, Inc.
+ *
+ * Author: Imre Kaloz <Kaloz@openwrt.org>
+ */
+
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/device.h>
+#include <linux/serial.h>
+#include <linux/tty.h>
+#include <linux/serial_8250.h>
+#include <linux/slab.h>
+
+#include <asm/types.h>
+#include <asm/setup.h>
+#include <asm/memory.h>
+#include <mach/hardware.h>
+#include <asm/irq.h>
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data wrt300nv2_flash_data = {
+	.map_name	= "cfi_probe",
+	.width		= 2,
+};
+
+static struct resource wrt300nv2_flash_resource = {
+	.flags		= IORESOURCE_MEM,
+};
+
+static struct platform_device wrt300nv2_flash = {
+	.name		= "IXP4XX-Flash",
+	.id		= 0,
+	.dev		= {
+		.platform_data = &wrt300nv2_flash_data,
+	},
+	.num_resources	= 1,
+	.resource	= &wrt300nv2_flash_resource,
+};
+
+static struct resource wrt300nv2_uart_resource = {
+	.start	= IXP4XX_UART2_BASE_PHYS,
+	.end	= IXP4XX_UART2_BASE_PHYS + 0x0fff,
+	.flags	= IORESOURCE_MEM,
+};
+
+static struct plat_serial8250_port wrt300nv2_uart_data[] = {
+	{
+		.mapbase	= IXP4XX_UART2_BASE_PHYS,
+		.membase	= (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
+		.irq		= IRQ_IXP4XX_UART2,
+		.flags		= UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+		.iotype		= UPIO_MEM,
+		.regshift	= 2,
+		.uartclk	= IXP4XX_UART_XTAL,
+	},
+	{ },
+};
+
+static struct platform_device wrt300nv2_uart = {
+	.name		= "serial8250",
+	.id		= PLAT8250_DEV_PLATFORM,
+	.dev			= {
+		.platform_data	= wrt300nv2_uart_data,
+	},
+	.num_resources	= 1,
+	.resource	= &wrt300nv2_uart_resource,
+};
+
+static struct platform_device *wrt300nv2_devices[] __initdata = {
+	&wrt300nv2_flash,
+	&wrt300nv2_uart
+};
+
+static void __init wrt300nv2_init(void)
+{
+	ixp4xx_sys_init();
+
+	wrt300nv2_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+	wrt300nv2_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
+
+	*IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+	*IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+	platform_add_devices(wrt300nv2_devices, ARRAY_SIZE(wrt300nv2_devices));
+}
+
+#ifdef CONFIG_MACH_WRT300NV2
+MACHINE_START(WRT300NV2, "Linksys WRT300N v2")
+	/* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
+	.map_io		= ixp4xx_map_io,
+	.init_irq	= ixp4xx_init_irq,
+	.init_time	= ixp4xx_timer_init,
+	.atag_offset	= 0x0100,
+	.init_machine	= wrt300nv2_init,
+#if defined(CONFIG_PCI)
+	.dma_zone_size	= SZ_64M,
+#endif
+	.restart	= ixp4xx_restart,
+MACHINE_END
+#endif