288 lines
7.8 KiB
Diff
288 lines
7.8 KiB
Diff
--- a/arch/arm/mach-ixp4xx/Kconfig
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+++ b/arch/arm/mach-ixp4xx/Kconfig
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@@ -160,6 +160,14 @@ config ARCH_PRPMC1100
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PrPCM1100 Processor Mezanine Module. For more information on
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this platform, see <file:Documentation/arm/IXP4xx>.
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+config MACH_TW5334
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+ bool "Titan Wireless TW-533-4"
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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 the Titan
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+ Wireless TW533-4. For more information on this platform,
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+ see http://openwrt.org
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+
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config MACH_NAS100D
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bool
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prompt "NAS100D"
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--- a/arch/arm/mach-ixp4xx/Makefile
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+++ b/arch/arm/mach-ixp4xx/Makefile
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@@ -24,6 +24,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER) += sid
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obj-pci-$(CONFIG_MACH_COMPEXWP18) += ixdp425-pci.o
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obj-pci-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-pci.o
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obj-pci-$(CONFIG_MACH_AP1000) += ixdp425-pci.o
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+obj-pci-$(CONFIG_MACH_TW5334) += tw5334-pci.o
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obj-y += common.o
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@@ -49,6 +50,7 @@ obj-$(CONFIG_MACH_SIDEWINDER) += sidewin
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obj-$(CONFIG_MACH_COMPEXWP18) += compex42x-setup.o
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obj-$(CONFIG_MACH_WRT300NV2) += wrt300nv2-setup.o
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obj-$(CONFIG_MACH_AP1000) += ap1000-setup.o
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+obj-$(CONFIG_MACH_TW5334) += tw5334-setup.o
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obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
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obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
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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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@@ -44,7 +44,7 @@ static __inline__ void __arch_decomp_set
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machine_is_gateway7001() || machine_is_wg302v2() ||
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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())
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+ machine_is_wrt300nv2() || machine_is_tw5334())
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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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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/tw5334-pci.c
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@@ -0,0 +1,68 @@
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+/*
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+ * arch/arch/mach-ixp4xx/tw5334-pci.c
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+ *
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+ * PCI setup routines for the Titan Wireless TW-533-4
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+ *
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+ * Copyright (C) 2008 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 tw5334_pci_preinit(void)
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+{
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+ irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(IRQ_IXP4XX_GPIO2, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(IRQ_IXP4XX_GPIO1, IRQ_TYPE_LEVEL_LOW);
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+ irq_set_irq_type(IRQ_IXP4XX_GPIO0, 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 tw5334_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
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+{
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+ if (slot == 12)
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+ return IRQ_IXP4XX_GPIO6;
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+ else if (slot == 13)
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+ return IRQ_IXP4XX_GPIO2;
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+ else if (slot == 14)
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+ return IRQ_IXP4XX_GPIO1;
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+ else if (slot == 15)
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+ return IRQ_IXP4XX_GPIO0;
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+ else return -1;
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+}
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+
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+struct hw_pci tw5334_pci __initdata = {
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+ .nr_controllers = 1,
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+ .preinit = tw5334_pci_preinit,
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+ .ops = &ixp4xx_ops,
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+ .setup = ixp4xx_setup,
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+ .map_irq = tw5334_map_irq,
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+};
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+
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+int __init tw5334_pci_init(void)
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+{
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+ if (machine_is_tw5334())
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+ pci_common_init(&tw5334_pci);
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+ return 0;
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+}
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+
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+subsys_initcall(tw5334_pci_init);
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/tw5334-setup.c
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@@ -0,0 +1,167 @@
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+/*
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+ * arch/arm/mach-ixp4xx/tw5334-setup.c
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+ *
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+ * Board setup for the Titan Wireless TW-533-4
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+ *
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+ * Copyright (C) 2008 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/if_ether.h>
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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/slab.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 flash_platform_data tw5334_flash_data = {
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+ .map_name = "cfi_probe",
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+ .width = 2,
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+};
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+
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+static struct resource tw5334_flash_resource = {
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+ .flags = IORESOURCE_MEM,
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+};
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+
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+static struct platform_device tw5334_flash = {
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+ .name = "IXP4XX-Flash",
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+ .id = 0,
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+ .dev = {
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+ .platform_data = &tw5334_flash_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &tw5334_flash_resource,
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+};
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+
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+static struct resource tw5334_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 tw5334_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 tw5334_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 = tw5334_uart_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &tw5334_uart_resource,
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+};
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+
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+/* Built-in 10/100 Ethernet MAC interfaces */
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+static struct eth_plat_info tw5334_plat_eth[] = {
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+ {
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+ .phy = 0,
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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 tw5334_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 = tw5334_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 = tw5334_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 *tw5334_devices[] __initdata = {
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+ &tw5334_flash,
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+ &tw5334_uart,
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+ &tw5334_eth[0],
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+ &tw5334_eth[1],
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+};
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+
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+static void __init tw5334_init(void)
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+{
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+ uint8_t __iomem *f;
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+ int i;
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+
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+ ixp4xx_sys_init();
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+
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+ tw5334_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+ tw5334_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(tw5334_devices, ARRAY_SIZE(tw5334_devices));
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+
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+ /*
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+ * Map in a portion of the flash and read the MAC addresses.
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+ * Since it is stored in BE in the flash itself, we need to
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+ * byteswap it if we're in LE mode.
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+ */
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+ f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x1000000);
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+ if (f) {
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+ for (i = 0; i < 6; i++) {
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+#ifdef __ARMEB__
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+ tw5334_plat_eth[0].hwaddr[i] = readb(f + 0xFC0422 + i);
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+ tw5334_plat_eth[1].hwaddr[i] = readb(f + 0xFC043B + i);
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+#else
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+ tw5334_plat_eth[0].hwaddr[i] = readb(f + 0xFC0422 + (i^3));
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+ tw5334_plat_eth[1].hwaddr[i] = readb(f + 0xFC043B + (i^3));
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+#endif
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+ }
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+ iounmap(f);
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+ }
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+
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+ printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 0\n",
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+ tw5334_plat_eth[0].hwaddr);
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+ printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 1\n",
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+ tw5334_plat_eth[1].hwaddr);
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+}
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+
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+#ifdef CONFIG_MACH_TW5334
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+MACHINE_START(TW5334, "Titan Wireless TW-533-4")
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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 = 0x0100,
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+ .init_machine = tw5334_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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