target/linux/ixp4xx/patches-3.10/180-tw5334_support.patch

   1 --- a/arch/arm/mach-ixp4xx/Kconfig
   2 +++ b/arch/arm/mach-ixp4xx/Kconfig
   3 @@ -164,6 +164,14 @@ config ARCH_PRPMC1100
   4           PrPCM1100 Processor Mezanine Module. For more information on
   5           this platform, see <file:Documentation/arm/IXP4xx>.
   6
   7 +config MACH_TW5334
   8 +       bool "Titan Wireless TW-533-4"
   9 +       select PCI
  10 +       help
  11 +         Say 'Y' here if you want your kernel to support the Titan
  12 +         Wireless TW533-4. For more information on this platform,
  13 +         see http://openwrt.org
  14 +
  15  config MACH_NAS100D
  16         bool
  17         prompt "NAS100D"
  18 --- a/arch/arm/mach-ixp4xx/Makefile
  19 +++ b/arch/arm/mach-ixp4xx/Makefile
  20 @@ -24,6 +24,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER)     += sid
  21  obj-pci-$(CONFIG_MACH_COMPEXWP18)      += ixdp425-pci.o
  22  obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  23  obj-pci-$(CONFIG_MACH_AP1000)          += ixdp425-pci.o
  24 +obj-pci-$(CONFIG_MACH_TW5334)          += tw5334-pci.o
  25
  26  obj-y  += common.o
  27
  28 @@ -49,6 +50,7 @@ obj-$(CONFIG_MACH_SIDEWINDER) += sidewin
  29  obj-$(CONFIG_MACH_COMPEXWP18)  += compex42x-setup.o
  30  obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
  31  obj-$(CONFIG_MACH_AP1000)      += ap1000-setup.o
  32 +obj-$(CONFIG_MACH_TW5334)      += tw5334-setup.o
  33
  34  obj-$(CONFIG_PCI)              += $(obj-pci-$(CONFIG_PCI)) common-pci.o
  35  obj-$(CONFIG_IXP4XX_QMGR)      += ixp4xx_qmgr.o
  36 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
  37 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
  38 @@ -44,7 +44,7 @@ static __inline__ void __arch_decomp_set
  39             machine_is_gateway7001() || machine_is_wg302v2() ||
  40             machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
  41             machine_is_pronghorn() || machine_is_pronghorn_metro() ||
  42 -           machine_is_wrt300nv2())
  43 +           machine_is_wrt300nv2() || machine_is_tw5334())
  44                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
  45         else
  46                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
  47 --- /dev/null
  48 +++ b/arch/arm/mach-ixp4xx/tw5334-pci.c
  49 @@ -0,0 +1,68 @@
  50 +/*
  51 + * arch/arch/mach-ixp4xx/tw5334-pci.c
  52 + *
  53 + * PCI setup routines for the Titan Wireless TW-533-4
  54 + *
  55 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  56 + *
  57 + * based on coyote-pci.c:
  58 + *     Copyright (C) 2002 Jungo Software Technologies.
  59 + *     Copyright (C) 2003 MontaVista Softwrae, Inc.
  60 + *
  61 + * Maintainer: Imre Kaloz <kaloz@openwrt.org>
  62 + *
  63 + * This program is free software; you can redistribute it and/or modify
  64 + * it under the terms of the GNU General Public License version 2 as
  65 + * published by the Free Software Foundation.
  66 + *
  67 + */
  68 +
  69 +#include <linux/kernel.h>
  70 +#include <linux/pci.h>
  71 +#include <linux/init.h>
  72 +#include <linux/irq.h>
  73 +
  74 +#include <asm/mach-types.h>
  75 +#include <mach/hardware.h>
  76 +
  77 +#include <asm/mach/pci.h>
  78 +
  79 +void __init tw5334_pci_preinit(void)
  80 +{
  81 +       irq_set_irq_type(IRQ_IXP4XX_GPIO6, IRQ_TYPE_LEVEL_LOW);
  82 +       irq_set_irq_type(IRQ_IXP4XX_GPIO2, IRQ_TYPE_LEVEL_LOW);
  83 +       irq_set_irq_type(IRQ_IXP4XX_GPIO1, IRQ_TYPE_LEVEL_LOW);
  84 +       irq_set_irq_type(IRQ_IXP4XX_GPIO0, IRQ_TYPE_LEVEL_LOW);
  85 +
  86 +       ixp4xx_pci_preinit();
  87 +}
  88 +
  89 +static int __init tw5334_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  90 +{
  91 +       if (slot == 12)
  92 +               return IRQ_IXP4XX_GPIO6;
  93 +       else if (slot == 13)
  94 +               return IRQ_IXP4XX_GPIO2;
  95 +       else if (slot == 14)
  96 +               return IRQ_IXP4XX_GPIO1;
  97 +       else if (slot == 15)
  98 +               return IRQ_IXP4XX_GPIO0;
  99 +       else return -1;
 100 +}
 101 +
 102 +struct hw_pci tw5334_pci __initdata = {
 103 +       .nr_controllers = 1,
 104 +       .preinit =        tw5334_pci_preinit,
 105 +       .ops =            &ixp4xx_ops,
 106 +       .setup =          ixp4xx_setup,
 107 +       .map_irq =        tw5334_map_irq,
 108 +};
 109 +
 110 +int __init tw5334_pci_init(void)
 111 +{
 112 +       if (machine_is_tw5334())
 113 +               pci_common_init(&tw5334_pci);
 114 +       return 0;
 115 +}
 116 +
 117 +subsys_initcall(tw5334_pci_init);
 118 --- /dev/null
 119 +++ b/arch/arm/mach-ixp4xx/tw5334-setup.c
 120 @@ -0,0 +1,167 @@
 121 +/*
 122 + * arch/arm/mach-ixp4xx/tw5334-setup.c
 123 + *
 124 + * Board setup for the Titan Wireless TW-533-4
 125 + *
 126 + * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
 127 + *
 128 + * based on coyote-setup.c:
 129 + *      Copyright (C) 2003-2005 MontaVista Software, Inc.
 130 + *
 131 + * Author: Imre Kaloz <Kaloz@openwrt.org>
 132 + */
 133 +
 134 +#include <linux/if_ether.h>
 135 +#include <linux/kernel.h>
 136 +#include <linux/init.h>
 137 +#include <linux/device.h>
 138 +#include <linux/serial.h>
 139 +#include <linux/tty.h>
 140 +#include <linux/serial_8250.h>
 141 +#include <linux/slab.h>
 142 +
 143 +#include <asm/types.h>
 144 +#include <asm/setup.h>
 145 +#include <asm/memory.h>
 146 +#include <mach/hardware.h>
 147 +#include <asm/irq.h>
 148 +#include <asm/mach-types.h>
 149 +#include <asm/mach/arch.h>
 150 +#include <asm/mach/flash.h>
 151 +
 152 +static struct flash_platform_data tw5334_flash_data = {
 153 +       .map_name       = "cfi_probe",
 154 +       .width          = 2,
 155 +};
 156 +
 157 +static struct resource tw5334_flash_resource = {
 158 +       .flags          = IORESOURCE_MEM,
 159 +};
 160 +
 161 +static struct platform_device tw5334_flash = {
 162 +       .name           = "IXP4XX-Flash",
 163 +       .id             = 0,
 164 +       .dev            = {
 165 +               .platform_data = &tw5334_flash_data,
 166 +       },
 167 +       .num_resources  = 1,
 168 +       .resource       = &tw5334_flash_resource,
 169 +};
 170 +
 171 +static struct resource tw5334_uart_resource = {
 172 +       .start  = IXP4XX_UART2_BASE_PHYS,
 173 +       .end    = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 174 +       .flags  = IORESOURCE_MEM,
 175 +};
 176 +
 177 +static struct plat_serial8250_port tw5334_uart_data[] = {
 178 +       {
 179 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 180 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 181 +               .irq            = IRQ_IXP4XX_UART2,
 182 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 183 +               .iotype         = UPIO_MEM,
 184 +               .regshift       = 2,
 185 +               .uartclk        = IXP4XX_UART_XTAL,
 186 +       },
 187 +       { },
 188 +};
 189 +
 190 +static struct platform_device tw5334_uart = {
 191 +       .name           = "serial8250",
 192 +       .id             = PLAT8250_DEV_PLATFORM,
 193 +       .dev                    = {
 194 +               .platform_data  = tw5334_uart_data,
 195 +       },
 196 +       .num_resources  = 1,
 197 +       .resource       = &tw5334_uart_resource,
 198 +};
 199 +
 200 +/* Built-in 10/100 Ethernet MAC interfaces */
 201 +static struct eth_plat_info tw5334_plat_eth[] = {
 202 +        {
 203 +                .phy            = 0,
 204 +                .rxq            = 3,
 205 +               .txreadyq       = 20,
 206 +        }, {
 207 +                .phy            = 1,
 208 +                .rxq            = 4,
 209 +               .txreadyq       = 21,
 210 +       }
 211 +};
 212 +
 213 +static struct platform_device tw5334_eth[] = {
 214 +        {
 215 +                .name                   = "ixp4xx_eth",
 216 +                .id                     = IXP4XX_ETH_NPEB,
 217 +                .dev.platform_data      = tw5334_plat_eth,
 218 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 219 +        }, {
 220 +                .name                   = "ixp4xx_eth",
 221 +                .id                     = IXP4XX_ETH_NPEC,
 222 +                .dev.platform_data      = tw5334_plat_eth + 1,
 223 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 224 +       }
 225 +};
 226 +
 227 +static struct platform_device *tw5334_devices[] __initdata = {
 228 +       &tw5334_flash,
 229 +       &tw5334_uart,
 230 +       &tw5334_eth[0],
 231 +       &tw5334_eth[1],
 232 +};
 233 +
 234 +static void __init tw5334_init(void)
 235 +{
 236 +       uint8_t __iomem *f;
 237 +       int i;
 238 +
 239 +       ixp4xx_sys_init();
 240 +
 241 +       tw5334_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 242 +       tw5334_flash_resource.end = IXP4XX_EXP_BUS_BASE(0) + SZ_32M - 1;
 243 +
 244 +       *IXP4XX_EXP_CS0 |= IXP4XX_FLASH_WRITABLE;
 245 +       *IXP4XX_EXP_CS1 = *IXP4XX_EXP_CS0;
 246 +
 247 +       platform_add_devices(tw5334_devices, ARRAY_SIZE(tw5334_devices));
 248 +
 249 +       /*
 250 +        * Map in a portion of the flash and read the MAC addresses.
 251 +        * Since it is stored in BE in the flash itself, we need to
 252 +        * byteswap it if we're in LE mode.
 253 +        */
 254 +       f = ioremap(IXP4XX_EXP_BUS_BASE(0), 0x1000000);
 255 +       if (f) {
 256 +               for (i = 0; i < 6; i++) {
 257 +#ifdef __ARMEB__
 258 +                       tw5334_plat_eth[0].hwaddr[i] = readb(f + 0xFC0422 + i);
 259 +                       tw5334_plat_eth[1].hwaddr[i] = readb(f + 0xFC043B + i);
 260 +#else
 261 +                       tw5334_plat_eth[0].hwaddr[i] = readb(f + 0xFC0422 + (i^3));
 262 +                       tw5334_plat_eth[1].hwaddr[i] = readb(f + 0xFC043B + (i^3));
 263 +#endif
 264 +               }
 265 +               iounmap(f);
 266 +       }
 267 +
 268 +       printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 0\n",
 269 +               tw5334_plat_eth[0].hwaddr);
 270 +       printk(KERN_INFO "TW-533-4: Using MAC address %pM for port 1\n",
 271 +               tw5334_plat_eth[1].hwaddr);
 272 +}
 273 +
 274 +#ifdef CONFIG_MACH_TW5334
 275 +MACHINE_START(TW5334, "Titan Wireless TW-533-4")
 276 +       /* Maintainer: Imre Kaloz <kaloz@openwrt.org> */
 277 +       .map_io         = ixp4xx_map_io,
 278 +       .init_irq       = ixp4xx_init_irq,
 279 +       .init_time      = ixp4xx_timer_init,
 280 +       .atag_offset    = 0x0100,
 281 +       .init_machine   = tw5334_init,
 282 +#if defined(CONFIG_PCI)
 283 +       .dma_zone_size  = SZ_64M,
 284 +#endif
 285 +       .restart        = ixp4xx_restart,
 286 +MACHINE_END
 287 +#endif