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282 lines
6.9 KiB
282 lines
6.9 KiB
--- a/arch/arm/mach-ixp4xx/Kconfig
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+++ b/arch/arm/mach-ixp4xx/Kconfig
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@@ -4,6 +4,14 @@ menu "Intel IXP4xx Implementation Option
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comment "IXP4xx Platforms"
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+config MACH_AP42X
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+ bool "Tonze AP-422/425"
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+ select PCI
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+ help
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+ Say 'Y' here if you want your kernel to support Tonze's
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+ AP-422/425 boards. For more information on this platform,
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+ see http://tonze.com.tw
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+
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config MACH_NSLU2
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bool
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prompt "Linksys NSLU2"
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--- a/arch/arm/mach-ixp4xx/Makefile
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+++ b/arch/arm/mach-ixp4xx/Makefile
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@@ -5,6 +5,7 @@
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obj-pci-y :=
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obj-pci-n :=
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+obj-pci-$(CONFIG_MACH_AP42X) += ap42x-pci.o
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obj-pci-$(CONFIG_ARCH_IXDP4XX) += ixdp425-pci.o
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obj-pci-$(CONFIG_MACH_AVILA) += avila-pci.o
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obj-pci-$(CONFIG_MACH_CAMBRIA) += cambria-pci.o
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@@ -32,6 +33,7 @@ obj-pci-$(CONFIG_MACH_USR8200) += usr82
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obj-y += common.o
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+obj-$(CONFIG_MACH_AP42X) += ap42x-setup.o
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obj-$(CONFIG_ARCH_IXDP4XX) += ixdp425-setup.o
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obj-$(CONFIG_MACH_AVILA) += avila-setup.o
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obj-$(CONFIG_MACH_CAMBRIA) += cambria-setup.o
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/ap42x-pci.c
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@@ -0,0 +1,63 @@
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+/*
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+ * arch/arch/mach-ixp4xx/ap42x-pci.c
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+ *
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+ * PCI setup routines for Tonze AP-422/425
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+ *
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+ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
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+ *
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+ * based on coyote-pci.c:
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+ * Copyright (C) 2002 Jungo Software Technologies.
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+ * Copyright (C) 2003 MontaVista Softwrae, Inc.
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+ *
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+ * Maintainer: Imre Kaloz <kaloz@openwrt.org>
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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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+
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+#include <linux/kernel.h>
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+#include <linux/pci.h>
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+#include <linux/init.h>
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+#include <linux/irq.h>
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+
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+#include <asm/mach-types.h>
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+#include <mach/hardware.h>
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+
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+#include <asm/mach/pci.h>
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+
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+void __init ap42x_pci_preinit(void)
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+{
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+ irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
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+
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+ ixp4xx_pci_preinit();
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+}
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+
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+static int __init ap42x_map_irq(const struct pci_dev *dev, u8 slot,
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+ u8 pin)
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+{
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+ if (slot == 1)
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+ return IRQ_IXP4XX_GPIO11;
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+ else if (slot == 2)
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+ return IRQ_IXP4XX_GPIO10;
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+ else return -1;
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+}
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+
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+struct hw_pci ap42x_pci __initdata = {
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+ .nr_controllers = 1,
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+ .preinit = ap42x_pci_preinit,
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+ .ops = &ixp4xx_ops,
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+ .setup = ixp4xx_setup,
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+ .map_irq = ap42x_map_irq,
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+};
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+
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+int __init ap42x_pci_init(void)
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+{
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+ if (machine_is_ap42x())
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+ pci_common_init(&ap42x_pci);
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+ return 0;
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+}
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+
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+subsys_initcall(ap42x_pci_init);
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/ap42x-setup.c
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@@ -0,0 +1,166 @@
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+/*
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+ * arch/arm/mach-ixp4xx/ap42x-setup.c
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+ *
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+ * Board setup for the Tonze AP-42x boards
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+ *
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+ * Copyright (C) 2012 Imre Kaloz <kaloz@openwrt.org>
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+ *
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+ * based on coyote-setup.c:
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+ * Copyright (C) 2003-2005 MontaVista Software, Inc.
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+ *
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+ * Author: Imre Kaloz <Kaloz@openwrt.org>
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+ */
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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/device.h>
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+#include <linux/serial.h>
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+#include <linux/tty.h>
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+#include <linux/serial_8250.h>
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+#include <linux/mtd/physmap.h>
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+#include <linux/dma-mapping.h>
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+
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+#include <asm/types.h>
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+#include <asm/setup.h>
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+#include <asm/memory.h>
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+#include <mach/hardware.h>
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+#include <asm/irq.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/flash.h>
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+
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+static struct mtd_partition ap42x_flash_partitions[] = {
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+ {
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+ .name = "RedBoot",
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+ .offset = 0x00000000,
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+ .size = 0x00080000,
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+ }, {
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+ .name = "linux",
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+ .offset = 0x00080000,
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+ .size = 0x00100000,
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+ }, {
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+ .name = "rootfs",
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+ .offset = 0x00180000,
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+ .size = 0x00660000,
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+ }, {
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+ .name = "FIS directory",
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+ .offset = 0x007f8000,
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+ .size = 0x00007000,
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+ }, {
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+ .name = "RedBoot config",
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+ .offset = 0x007ff000,
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+ .size = 0x00001000,
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+ },
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+};
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+
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+static struct physmap_flash_data ap42x_flash_data = {
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+ .width = 2,
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+ .parts = ap42x_flash_partitions,
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+ .nr_parts = ARRAY_SIZE(ap42x_flash_partitions),
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+};
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+
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+static struct resource ap42x_flash_resource = {
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+ .flags = IORESOURCE_MEM,
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+ .start = IXP4XX_EXP_BUS_BASE_PHYS,
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+ .end = IXP4XX_EXP_BUS_BASE_PHYS + SZ_8M - 1,
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+};
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+
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+static struct platform_device ap42x_flash = {
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+ .name = "physmap-flash",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &ap42x_flash_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &ap42x_flash_resource,
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+};
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+
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+static struct resource ap42x_uart_resource = {
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+ .start = IXP4XX_UART2_BASE_PHYS,
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+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct plat_serial8250_port ap42x_uart_data[] = {
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+ {
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+ .mapbase = IXP4XX_UART2_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART2,
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+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
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+ .iotype = UPIO_MEM,
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+ .regshift = 2,
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+ .uartclk = IXP4XX_UART_XTAL,
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+ },
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+ { },
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+};
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+
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+static struct platform_device ap42x_uart = {
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+ .name = "serial8250",
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+ .id = PLAT8250_DEV_PLATFORM,
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+ .dev = {
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+ .platform_data = ap42x_uart_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &ap42x_uart_resource,
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+};
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+
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+static struct eth_plat_info ap42x_plat_eth[] = {
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+ {
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+ .phy = 2,
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+ .rxq = 3,
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+ .txreadyq = 20,
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+ }, {
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+ .phy = 1,
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+ .rxq = 4,
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+ .txreadyq = 21,
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+ }
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+};
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+
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+static struct platform_device ap42x_eth[] = {
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+ {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEB,
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+ .dev.platform_data = ap42x_plat_eth,
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+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
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+ }, {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEC,
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+ .dev.platform_data = ap42x_plat_eth + 1,
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+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
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+ }
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+};
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+
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+static struct platform_device *ap42x_devices[] __initdata = {
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+ &ap42x_flash,
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+ &ap42x_uart,
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+ &ap42x_eth[0],
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+ &ap42x_eth[1],
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+};
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+
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+static void __init ap42x_init(void)
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+{
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+ ixp4xx_sys_init();
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+
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+ ap42x_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+ ap42x_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
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+
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+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
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+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
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+
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+ platform_add_devices(ap42x_devices, ARRAY_SIZE(ap42x_devices));
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+}
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+
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+#ifdef CONFIG_MACH_AP42X
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+MACHINE_START(AP42X, "Tonze AP-422/425")
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+ /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
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+ .map_io = ixp4xx_map_io,
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+ .init_irq = ixp4xx_init_irq,
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+ .init_time = ixp4xx_timer_init,
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+ .atag_offset = 0x100,
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+ .init_machine = ap42x_init,
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+#if defined(CONFIG_PCI)
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+ .dma_zone_size = SZ_64M,
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+#endif
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+ .restart = ixp4xx_restart,
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+MACHINE_END
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+#endif
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--- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
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+++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
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@@ -45,7 +45,8 @@ static __inline__ void __arch_decomp_set
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machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
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machine_is_pronghorn() || machine_is_pronghorn_metro() ||
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machine_is_wrt300nv2() || machine_is_tw5334() ||
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- machine_is_usr8200() || machine_is_tw2662())
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+ machine_is_usr8200() || machine_is_tw2662() ||
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+ machine_is_ap42x())
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uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
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else
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uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
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