OpenWrt – Rev 1
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From 95dac4a842a3c66f69f949b48f9075e16275f77b Mon Sep 17 00:00:00 2001
From: Jonas Gorski <jogo@openwrt.org>
Date: Sun, 30 Jun 2013 15:48:47 +0200
Subject: [PATCH 07/36] 115-sidewinder_support.patch
---
arch/arm/mach-ixp4xx/Kconfig | 10 +-
arch/arm/mach-ixp4xx/Makefile | 2 +
arch/arm/mach-ixp4xx/sidewinder-pci.c | 68 ++++++++++++++
arch/arm/mach-ixp4xx/sidewinder-setup.c | 151 +++++++++++++++++++++++++++++++
4 files changed, 230 insertions(+), 1 deletion(-)
create mode 100644 arch/arm/mach-ixp4xx/sidewinder-pci.c
create mode 100644 arch/arm/mach-ixp4xx/sidewinder-setup.c
--- a/arch/arm/mach-ixp4xx/Kconfig
+++ b/arch/arm/mach-ixp4xx/Kconfig
@@ -77,6 +77,14 @@ config MACH_PRONGHORN
config MACH_PRONGHORNMETRO
def_bool MACH_PRONGHORN
+config MACH_SIDEWINDER
+ bool "ADI Sidewinder"
+ select PCI
+ help
+ Say 'Y' here if you want your kernel to support the ADI
+ Engineering Sidewinder board. For more information on this
+ platform, see http://www.adiengineering.com
+
config ARCH_IXDP425
bool "IXDP425"
help
@@ -173,7 +181,7 @@ config MACH_ARCOM_VULCAN
#
config CPU_IXP46X
bool
- depends on MACH_IXDP465
+ depends on MACH_IXDP465 || MACH_SIDEWINDER
default y
config CPU_IXP43X
--- a/arch/arm/mach-ixp4xx/Makefile
+++ b/arch/arm/mach-ixp4xx/Makefile
@@ -20,6 +20,7 @@ obj-pci-$(CONFIG_MACH_WG302V2) += wg302
obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
obj-pci-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-pci.o
obj-pci-$(CONFIG_MACH_PRONGHORN) += pronghorn-pci.o
+obj-pci-$(CONFIG_MACH_SIDEWINDER) += sidewinder-pci.o
obj-y += common.o
@@ -41,6 +42,7 @@ obj-$(CONFIG_MACH_FSG) += fsg-setup.o
obj-$(CONFIG_MACH_GORAMO_MLR) += goramo_mlr.o
obj-$(CONFIG_MACH_ARCOM_VULCAN) += vulcan-setup.o
obj-$(CONFIG_MACH_PRONGHORN) += pronghorn-setup.o
+obj-$(CONFIG_MACH_SIDEWINDER) += sidewinder-setup.o
obj-$(CONFIG_PCI) += $(obj-pci-$(CONFIG_PCI)) common-pci.o
obj-$(CONFIG_IXP4XX_QMGR) += ixp4xx_qmgr.o
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/sidewinder-pci.c
@@ -0,0 +1,67 @@
+/*
+ * arch/arch/mach-ixp4xx/pronghornmetro-pci.c
+ *
+ * PCI setup routines for ADI Engineering Sidewinder
+ *
+ * Copyright (C) 2008 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>
+
+void __init sidewinder_pci_preinit(void)
+{
+ irq_set_irq_type(IRQ_IXP4XX_GPIO11, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IRQ_IXP4XX_GPIO10, IRQ_TYPE_LEVEL_LOW);
+ irq_set_irq_type(IRQ_IXP4XX_GPIO9, IRQ_TYPE_LEVEL_LOW);
+
+ ixp4xx_pci_preinit();
+}
+
+static int __init sidewinder_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ if (slot == 1)
+ return IRQ_IXP4XX_GPIO11;
+ else if (slot == 2)
+ return IRQ_IXP4XX_GPIO10;
+ else if (slot == 3)
+ return IRQ_IXP4XX_GPIO9;
+ else
+ return -1;
+}
+
+struct hw_pci sidewinder_pci __initdata = {
+ .nr_controllers = 1,
+ .preinit = sidewinder_pci_preinit,
+ .ops = &ixp4xx_ops,
+ .setup = ixp4xx_setup,
+ .map_irq = sidewinder_map_irq,
+};
+
+int __init sidewinder_pci_init(void)
+{
+ if (machine_is_sidewinder())
+ pci_common_init(&sidewinder_pci);
+ return 0;
+}
+
+subsys_initcall(sidewinder_pci_init);
--- /dev/null
+++ b/arch/arm/mach-ixp4xx/sidewinder-setup.c
@@ -0,0 +1,155 @@
+/*
+ * arch/arm/mach-ixp4xx/sidewinder-setup.c
+ *
+ * Board setup for the ADI Engineering Sidewinder
+ *
+ * Copyright (C) 2008 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/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/dma-mapping.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data sidewinder_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource sidewinder_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device sidewinder_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev = {
+ .platform_data = &sidewinder_flash_data,
+ },
+ .num_resources = 1,
+ .resource = &sidewinder_flash_resource,
+};
+
+static struct resource sidewinder_uart_resources[] = {
+ {
+ .start = IXP4XX_UART1_BASE_PHYS,
+ .end = IXP4XX_UART1_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IXP4XX_UART2_BASE_PHYS,
+ .end = IXP4XX_UART2_BASE_PHYS + 0x0fff,
+ .flags = IORESOURCE_MEM,
+ }
+};
+
+static struct plat_serial8250_port sidewinder_uart_data[] = {
+ {
+ .mapbase = IXP4XX_UART1_BASE_PHYS,
+ .membase = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
+ .irq = IRQ_IXP4XX_UART1,
+ .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
+ .iotype = UPIO_MEM,
+ .regshift = 2,
+ .uartclk = IXP4XX_UART_XTAL,
+ },
+ {
+ .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 sidewinder_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev = {
+ .platform_data = sidewinder_uart_data,
+ },
+ .num_resources = ARRAY_SIZE(sidewinder_uart_resources),
+ .resource = sidewinder_uart_resources,
+};
+
+static struct eth_plat_info sidewinder_plat_eth[] = {
+ {
+ .phy = 5,
+ .rxq = 3,
+ .txreadyq = 20,
+ }, {
+ .phy = IXP4XX_ETH_PHY_MAX_ADDR,
+ .phy_mask = 0x1e,
+ .rxq = 4,
+ .txreadyq = 21,
+ }, {
+ .phy = 31,
+ .rxq = 2,
+ .txreadyq = 19,
+ }
+};
+
+static struct platform_device sidewinder_eth[] = {
+ {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEB,
+ .dev.platform_data = sidewinder_plat_eth,
+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
+ }, {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEC,
+ .dev.platform_data = sidewinder_plat_eth + 1,
+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
+ }, {
+ .name = "ixp4xx_eth",
+ .id = IXP4XX_ETH_NPEA,
+ .dev.platform_data = sidewinder_plat_eth + 2,
+ .dev.coherent_dma_mask = DMA_BIT_MASK(32),
+ }
+};
+
+static struct platform_device *sidewinder_devices[] __initdata = {
+ &sidewinder_flash,
+ &sidewinder_uart,
+ &sidewinder_eth[0],
+ &sidewinder_eth[1],
+ &sidewinder_eth[2],
+};
+
+static void __init sidewinder_init(void)
+{
+ ixp4xx_sys_init();
+
+ sidewinder_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+ sidewinder_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_64M - 1;
+
+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+ platform_add_devices(sidewinder_devices, ARRAY_SIZE(sidewinder_devices));
+}
+
+MACHINE_START(SIDEWINDER, "ADI Engineering Sidewinder")
+ /* 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 = sidewinder_init,
+#if defined(CONFIG_PCI)
+ .dma_zone_size = SZ_64M,
+#endif
+ .restart = ixp4xx_restart,
+MACHINE_END
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