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openwrt/target/linux/ixp4xx/patches/996-fsg3_support.patch

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Index: linux-2.6.21.7/arch/arm/mach-ixp4xx/fsg-pci.c
===================================================================
--- /dev/null
+++ linux-2.6.21.7/arch/arm/mach-ixp4xx/fsg-pci.c
@@ -0,0 +1,71 @@
+/*
+ * arch/arch/mach-ixp4xx/fsg-pci.c
+ *
+ * FSG board-level PCI initialization
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Maintainer: http://www.nslu2-linux.org/
+ *
+ * based on ixdp425-pci.c:
+ * Copyright (C) 2002 Intel Corporation.
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * 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/pci.h>
+#include <linux/init.h>
+#include <linux/irq.h>
+
+#include <asm/mach/pci.h>
+#include <asm/mach-types.h>
+
+void __init fsg_pci_preinit(void)
+{
+ set_irq_type(IRQ_FSG_PCI_INTA, IRQT_LOW);
+ set_irq_type(IRQ_FSG_PCI_INTB, IRQT_LOW);
+ set_irq_type(IRQ_FSG_PCI_INTC, IRQT_LOW);
+
+ ixp4xx_pci_preinit();
+}
+
+static int __init fsg_map_irq(struct pci_dev *dev, u8 slot, u8 pin)
+{
+ static int pci_irq_table[FSG_PCI_IRQ_LINES] = {
+ IRQ_FSG_PCI_INTC,
+ IRQ_FSG_PCI_INTB,
+ IRQ_FSG_PCI_INTA,
+ };
+
+ int irq = -1;
+ slot = slot - 11;
+
+ if (slot >= 1 && slot <= FSG_PCI_MAX_DEV &&
+ pin >= 1 && pin <= FSG_PCI_IRQ_LINES) {
+ irq = pci_irq_table[(slot - 1)];
+ }
+ printk("%s: Mapped slot %d pin %d to IRQ %d\n", __FUNCTION__,slot, pin, irq);
+
+ return irq;
+}
+
+struct hw_pci fsg_pci __initdata = {
+ .nr_controllers = 1,
+ .preinit = fsg_pci_preinit,
+ .swizzle = pci_std_swizzle,
+ .setup = ixp4xx_setup,
+ .scan = ixp4xx_scan_bus,
+ .map_irq = fsg_map_irq,
+};
+
+int __init fsg_pci_init(void)
+{
+ if (machine_is_fsg())
+ pci_common_init(&fsg_pci);
+ return 0;
+}
+
+subsys_initcall(fsg_pci_init);
Index: linux-2.6.21.7/arch/arm/mach-ixp4xx/fsg-setup.c
===================================================================
--- /dev/null
+++ linux-2.6.21.7/arch/arm/mach-ixp4xx/fsg-setup.c
@@ -0,0 +1,223 @@
+/*
+ * arch/arm/mach-ixp4xx/fsg-setup.c
+ *
+ * FSG board-setup
+ *
+ * based ixdp425-setup.c:
+ * Copyright (C) 2003-2004 MontaVista Software, Inc.
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Maintainers: http://www.nslu2-linux.org/
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/serial.h>
+#include <linux/serial_8250.h>
+#include <linux/leds.h>
+#include <linux/mtd/mtd.h>
+
+#include <asm/mach-types.h>
+#include <asm/mach/arch.h>
+#include <asm/mach/flash.h>
+
+static struct flash_platform_data fsg_flash_data = {
+ .map_name = "cfi_probe",
+ .width = 2,
+};
+
+static struct resource fsg_flash_resource = {
+ .flags = IORESOURCE_MEM,
+};
+
+static struct platform_device fsg_flash = {
+ .name = "IXP4XX-Flash",
+ .id = 0,
+ .dev.platform_data = &fsg_flash_data,
+ .num_resources = 1,
+ .resource = &fsg_flash_resource,
+};
+
+static struct ixp4xx_i2c_pins fsg_i2c_gpio_pins = {
+ .sda_pin = FSG_SDA_PIN,
+ .scl_pin = FSG_SCL_PIN,
+};
+
+static struct platform_device fsg_i2c_controller = {
+ .name = "IXP4XX-I2C",
+ .id = 0,
+ .dev.platform_data = &fsg_i2c_gpio_pins,
+ .num_resources = 0,
+};
+
+static struct resource fsg_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 fsg_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 fsg_uart = {
+ .name = "serial8250",
+ .id = PLAT8250_DEV_PLATFORM,
+ .dev.platform_data = fsg_uart_data,
+ .num_resources = ARRAY_SIZE(fsg_uart_resources),
+ .resource = fsg_uart_resources,
+};
+
+/* Built-in 10/100 Ethernet MAC interfaces */
+static struct resource res_mac0 = {
+ .start = IXP4XX_EthB_BASE_PHYS,
+ .end = IXP4XX_EthB_BASE_PHYS + 0x1ff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct resource res_mac1 = {
+ .start = IXP4XX_EthC_BASE_PHYS,
+ .end = IXP4XX_EthC_BASE_PHYS + 0x1ff,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct mac_plat_info plat_mac0 = {
+ .npe_id = 1,
+ .phy_id = 5,
+ .eth_id = 0,
+ .rxq_id = 27,
+ .txq_id = 24,
+ .rxdoneq_id = 4,
+};
+
+static struct mac_plat_info plat_mac1 = {
+ .npe_id = 2,
+ .phy_id = 4,
+ .eth_id = 1,
+ .rxq_id = 28,
+ .txq_id = 25,
+ .rxdoneq_id = 5,
+};
+
+static struct platform_device mac0 = {
+ .name = "ixp4xx_mac",
+ .id = 0,
+ .dev.platform_data = &plat_mac0,
+ .num_resources = 1,
+ .resource = &res_mac0,
+};
+
+static struct platform_device mac1 = {
+ .name = "ixp4xx_mac",
+ .id = 1,
+ .dev.platform_data = &plat_mac1,
+ .num_resources = 1,
+ .resource = &res_mac1,
+};
+
+struct npe_ucode_platform_data fsg_npe_ucode_data = {
+ .mtd_partition = "microcode",
+};
+
+static struct platform_device fsg_npe_ucode = {
+ .name = "ixp4xx_npe_ucode",
+ .id = 0,
+ .dev.platform_data = &fsg_npe_ucode_data,
+};
+
+static struct platform_device *fsg_devices[] __initdata = {
+ &fsg_i2c_controller,
+ &fsg_flash,
+ &mac0,
+ &mac1,
+ &fsg_npe_ucode,
+};
+
+static void fsg_flash_add(struct mtd_info *mtd)
+{
+ if (strcmp(mtd->name, "RedBoot config") == 0) {
+ size_t retlen;
+ u_char mac[6];
+
+ if (mtd->read(mtd, 0x0422, 6, &retlen, mac) == 0 && retlen == 6) {
+ printk(KERN_INFO "eth0 mac: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ memcpy(plat_mac0.hwaddr, mac, 6);
+ mac[5]++;
+ printk(KERN_INFO "eth1 mac: %.2x:%.2x:%.2x:%.2x:%.2x:%.2x\n",
+ mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
+ memcpy(plat_mac1.hwaddr, mac, 6);
+ } else {
+ printk(KERN_ERR "fsg mac: read failed\n");
+ }
+ }
+}
+
+static void fsg_flash_remove(struct mtd_info *mtd) {
+}
+
+static struct mtd_notifier fsg_flash_notifier = {
+ .add = fsg_flash_add,
+ .remove = fsg_flash_remove,
+};
+
+static void __init fsg_init(void)
+{
+ ixp4xx_sys_init();
+
+ fsg_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
+ fsg_flash_resource.end =
+ IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
+
+ *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
+ *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
+
+ /* Configure CS2 for operation, 8bit and writable */
+ *IXP4XX_EXP_CS2 = 0xbfff0002;
+
+ /* This is only useful on a modified machine, but it is valuable
+ * to have it first in order to see debug messages, and so that
+ * it does *not* get removed if platform_add_devices fails!
+ */
+ (void)platform_device_register(&fsg_uart);
+
+ platform_add_devices(fsg_devices, ARRAY_SIZE(fsg_devices));
+
+ register_mtd_user(&fsg_flash_notifier);
+}
+
+MACHINE_START(FSG, "Freecom FSG-3")
+ .phys_io = IXP4XX_PERIPHERAL_BASE_PHYS,
+ .io_pg_offst = ((IXP4XX_PERIPHERAL_BASE_VIRT) >> 18) & 0xfffc,
+ .map_io = ixp4xx_map_io,
+ .init_irq = ixp4xx_init_irq,
+ .timer = &ixp4xx_timer,
+ .boot_params = 0x0100,
+ .init_machine = fsg_init,
+MACHINE_END
+
Index: linux-2.6.21.7/include/asm-arm/arch-ixp4xx/fsg.h
===================================================================
--- /dev/null
+++ linux-2.6.21.7/include/asm-arm/arch-ixp4xx/fsg.h
@@ -0,0 +1,58 @@
+/*
+ * include/asm-arm/arch-ixp4xx/fsg.h
+ *
+ * Freecom FSG-3 platform specific definitions
+ *
+ * Author: Rod Whitby <rod@whitby.id.au>
+ * Author: Tomasz Chmielewski <mangoo@wpkg.org>
+ * Maintainers: http://www.nslu2-linux.org
+ *
+ * Based on coyote.h by
+ * Copyright 2004 (c) MontaVista, Software, Inc.
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#ifndef __ASM_ARCH_HARDWARE_H__
+#error "Do not include this directly, instead #include <asm/hardware.h>"
+#endif
+
+#define FSG_SDA_PIN 12
+#define FSG_SCL_PIN 13
+
+/*
+ * FSG PCI IRQs
+ */
+#define FSG_PCI_MAX_DEV 3
+#define FSG_PCI_IRQ_LINES 3
+
+
+/* PCI controller GPIO to IRQ pin mappings */
+#define FSG_PCI_INTA_PIN 6
+#define FSG_PCI_INTB_PIN 7
+#define FSG_PCI_INTC_PIN 5
+
+/* Buttons */
+
+#define FSG_SB_GPIO 4
+#define FSG_RB_GPIO 9
+#define FSG_UB_GPIO 10
+
+#define FSG_SB_IRQ IRQ_IXP4XX_GPIO4
+#define FSG_RB_IRQ IRQ_IXP4XX_GPIO9
+#define FSG_UB_IRQ IRQ_IXP4XX_GPIO10
+
+#define FSG_SB_BM (1L << FSG_SB_GPIO)
+#define FSG_RB_BM (1L << FSG_RB_GPIO)
+#define FSG_UB_BM (1L << FSG_UB_GPIO)
+
+/* LEDs */
+
+#define FSG_LED_RING_BIT 0
+#define FSG_LED_SYNC_BIT 1
+#define FSG_LED_USB_BIT 2
+#define FSG_LED_SATA_BIT 3
+#define FSG_LED_WAN_BIT 4
+#define FSG_LED_WLAN_BIT 5
Index: linux-2.6.21.7/include/asm-arm/arch-ixp4xx/hardware.h
===================================================================
--- linux-2.6.21.7.orig/include/asm-arm/arch-ixp4xx/hardware.h
+++ linux-2.6.21.7/include/asm-arm/arch-ixp4xx/hardware.h
@@ -48,5 +48,6 @@ extern unsigned int processor_id;
#include "nslu2.h"
#include "nas100d.h"
#include "dsmg600.h"
+#include "fsg.h"
#endif /* _ASM_ARCH_HARDWARE_H */
Index: linux-2.6.21.7/include/asm-arm/arch-ixp4xx/irqs.h
===================================================================
--- linux-2.6.21.7.orig/include/asm-arm/arch-ixp4xx/irqs.h
+++ linux-2.6.21.7/include/asm-arm/arch-ixp4xx/irqs.h
@@ -128,4 +128,11 @@
#define IRQ_DSMG600_PCI_INTE IRQ_IXP4XX_GPIO7
#define IRQ_DSMG600_PCI_INTF IRQ_IXP4XX_GPIO6
+/*
+ * Freecom FSG-3 board IRQs
+ */
+#define IRQ_FSG_PCI_INTA IRQ_IXP4XX_GPIO6
+#define IRQ_FSG_PCI_INTB IRQ_IXP4XX_GPIO7
+#define IRQ_FSG_PCI_INTC IRQ_IXP4XX_GPIO5
+
#endif
Index: linux-2.6.21.7/arch/arm/mach-ixp4xx/Makefile
===================================================================
--- linux-2.6.21.7.orig/arch/arm/mach-ixp4xx/Makefile
+++ linux-2.6.21.7/arch/arm/mach-ixp4xx/Makefile
@@ -13,6 +13,7 @@ obj-pci-$(CONFIG_MACH_GTWX5715) += gtwx
obj-pci-$(CONFIG_MACH_NSLU2) += nslu2-pci.o
obj-pci-$(CONFIG_MACH_NAS100D) += nas100d-pci.o
obj-pci-$(CONFIG_MACH_DSMG600) += dsmg600-pci.o
+obj-pci-$(CONFIG_MACH_FSG) += fsg-pci.o
obj-pci-$(CONFIG_MACH_GATEWAY7001) += gateway7001-pci.o
obj-pci-$(CONFIG_MACH_WG302V2) += wg302v2-pci.o
obj-pci-$(CONFIG_MACH_PRONGHORNMETRO) += pronghornmetro-pci.o
@@ -29,6 +30,7 @@ obj-$(CONFIG_MACH_GTWX5715) += gtwx5715-
obj-$(CONFIG_MACH_NSLU2) += nslu2-setup.o nslu2-power.o
obj-$(CONFIG_MACH_NAS100D) += nas100d-setup.o nas100d-power.o
obj-$(CONFIG_MACH_DSMG600) += dsmg600-setup.o dsmg600-power.o
+obj-$(CONFIG_MACH_FSG) += fsg-setup.o
obj-$(CONFIG_MACH_GATEWAY7001) += gateway7001-setup.o
obj-$(CONFIG_MACH_WG302V2) += wg302v2-setup.o
obj-$(CONFIG_MACH_PRONGHORNMETRO) += pronghornmetro-setup.o
Index: linux-2.6.21.7/arch/arm/mach-ixp4xx/Kconfig
===================================================================
--- linux-2.6.21.7.orig/arch/arm/mach-ixp4xx/Kconfig
+++ linux-2.6.21.7/arch/arm/mach-ixp4xx/Kconfig
@@ -138,6 +138,14 @@ config MACH_DSMG600
DSM-G600 RevA device. For more information on this platform,
see http://www.nslu2-linux.org/wiki/DSMG600/HomePage
+config MACH_FSG
+ bool
+ prompt "Freecom FSG-3"
+ help
+ Say 'Y' here if you want your kernel to support Freecom's
+ FSG-3 device. For more information on this
+ platform see http://www.openfsg.com/
+
#
# Avila and IXDP share the same source for now. Will change in future
#
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