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283 lines
7.3 KiB
Diff
283 lines
7.3 KiB
Diff
From 60bdaaaf3446b4237566c6e04855186fc7bd766b Mon Sep 17 00:00:00 2001
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From: Imre Kaloz <kaloz@openwrt.org>
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Date: Sun, 13 Jul 2008 22:46:45 +0200
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Subject: [PATCH] Add support for the ADI Sidewinder
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Signed-off-by: Imre Kaloz <kaloz@openwrt.org>
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---
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arch/arm/mach-ixp4xx/Kconfig | 10 ++-
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arch/arm/mach-ixp4xx/Makefile | 2 +
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arch/arm/mach-ixp4xx/sidewinder-pci.c | 68 ++++++++++++++
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arch/arm/mach-ixp4xx/sidewinder-setup.c | 151 +++++++++++++++++++++++++++++++
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4 files changed, 230 insertions(+), 1 deletions(-)
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create mode 100644 arch/arm/mach-ixp4xx/sidewinder-pci.c
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create mode 100644 arch/arm/mach-ixp4xx/sidewinder-setup.c
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--- a/arch/arm/mach-ixp4xx/Kconfig
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+++ b/arch/arm/mach-ixp4xx/Kconfig
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@@ -81,6 +81,14 @@ config MACH_PRONGHORN
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config MACH_PRONGHORNMETRO
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def_bool MACH_PRONGHORN
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+config MACH_SIDEWINDER
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+ bool "ADI Sidewinder"
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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 ADI
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+ Engineering Sidewinder board. For more information on this
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+ platform, see http://www.adiengineering.com
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+
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config ARCH_IXDP425
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bool "IXDP425"
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help
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@@ -169,7 +177,7 @@ config MACH_FSG
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#
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config CPU_IXP46X
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bool
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- depends on MACH_IXDP465
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+ depends on MACH_IXDP465 || MACH_SIDEWINDER
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default y
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config CPU_IXP43X
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--- a/arch/arm/mach-ixp4xx/Makefile
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+++ b/arch/arm/mach-ixp4xx/Makefile
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@@ -18,6 +18,7 @@ obj-pci-$(CONFIG_MACH_WG302V1) += wg302
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obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o
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obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
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obj-pci-$(CONFIG_MACH_PRONGHORN) += pronghorn-pci.o
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+obj-pci-$(CONFIG_MACH_SIDEWINDER) += sidewinder-pci.o
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obj-y += common.o
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@@ -35,6 +36,7 @@ obj-$(CONFIG_MACH_WG302V2) += wg302v2-se
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obj-$(CONFIG_MACH_FSG) += fsg-setup.o
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obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_mlr.o
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obj-$(CONFIG_MACH_PRONGHORN) += pronghorn-setup.o
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+obj-$(CONFIG_MACH_SIDEWINDER) += sidewinder-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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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/sidewinder-pci.c
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@@ -0,0 +1,68 @@
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+/*
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+ * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
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+ *
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+ * PCI setup routines for ADI Engineering Sidewinder
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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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+#include <asm/irq.h>
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+
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+#include <asm/mach/pci.h>
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+
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+void __init sidewinder_pci_preinit(void)
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+{
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+ set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
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+ set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
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+ set_irq_type(IRQ_IXP4XX_GPIO9, 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 sidewinder_map_irq(struct pci_dev *dev, u8 slot, 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 if (slot == 3)
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+ return IRQ_IXP4XX_GPIO9;
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+ else
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+ return -1;
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+}
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+
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+struct hw_pci sidewinder_pci __initdata = {
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+ .nr_controllers = 1,
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+ .preinit = sidewinder_pci_preinit,
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+ .swizzle = pci_std_swizzle,
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+ .setup = ixp4xx_setup,
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+ .scan = ixp4xx_scan_bus,
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+ .map_irq = sidewinder_map_irq,
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+};
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+
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+int __init sidewinder_pci_init(void)
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+{
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+ if (machine_is_sidewinder())
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+ pci_common_init(&sidewinder_pci);
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+ return 0;
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+}
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+
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+subsys_initcall(sidewinder_pci_init);
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--- /dev/null
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+++ b/arch/arm/mach-ixp4xx/sidewinder-setup.c
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@@ -0,0 +1,149 @@
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+/*
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+ * arch/arm/mach-ixp4xx/sidewinder-setup.c
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+ *
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+ * Board setup for the ADI Engineering Sidewinder
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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/kernel.h>
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+#include <linux/serial.h>
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+#include <linux/serial_8250.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/flash.h>
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+
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+static struct flash_platform_data sidewinder_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 sidewinder_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 sidewinder_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 = &sidewinder_flash_data,
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+ },
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+ .num_resources = 1,
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+ .resource = &sidewinder_flash_resource,
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+};
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+
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+static struct resource sidewinder_uart_resources[] = {
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+ {
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+ .start = IXP4XX_UART1_BASE_PHYS,
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+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
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+ .flags = IORESOURCE_MEM,
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+ },
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+ {
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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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+
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+static struct plat_serial8250_port sidewinder_uart_data[] = {
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+ {
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+ .mapbase = IXP4XX_UART1_BASE_PHYS,
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+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
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+ .irq = IRQ_IXP4XX_UART1,
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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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+ .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 sidewinder_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 = sidewinder_uart_data,
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+ },
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+ .num_resources = ARRAY_SIZE(sidewinder_uart_resources),
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+ .resource = sidewinder_uart_resources,
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+};
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+
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+static struct eth_plat_info sidewinder_plat_eth[] = {
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+ {
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+ .phy = 5,
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+ .rxq = 3,
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+ .txreadyq = 20,
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+ }, {
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+ .phy = IXP4XX_ETH_PHY_MAX_ADDR,
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+ .phy_mask = 0x1e,
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+ .rxq = 4,
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+ .txreadyq = 21,
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+ }, {
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+ .phy = 31,
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+ .rxq = 2,
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+ .txreadyq = 19,
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+ }
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+};
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+
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+static struct platform_device sidewinder_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 = sidewinder_plat_eth,
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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 = sidewinder_plat_eth + 1,
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+ }, {
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+ .name = "ixp4xx_eth",
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+ .id = IXP4XX_ETH_NPEA,
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+ .dev.platform_data = sidewinder_plat_eth + 2,
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+ }
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+};
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+
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+static struct platform_device *sidewinder_devices[] __initdata = {
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+ &sidewinder_flash,
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+ &sidewinder_uart,
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+ &sidewinder_eth[0],
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+ &sidewinder_eth[1],
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+ &sidewinder_eth[2],
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+};
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+
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+static void __init sidewinder_init(void)
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+{
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+ ixp4xx_sys_init();
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+
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+ sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
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+ sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 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(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
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+}
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+
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+MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
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+ /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
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+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
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+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
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+ .map_io = ixp4xx_map_io,
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+ .init_irq = ixp4xx_init_irq,
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+ .timer = &ixp4xx_timer,
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+ .boot_params = 0x0100,
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+ .init_machine = sidewinder_init,
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+MACHINE_END
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