target/linux/ixp4xx/patches-3.14/520-tw2662_support.patch

   1 --- a/arch/arm/mach-ixp4xx/Kconfig
   2 +++ b/arch/arm/mach-ixp4xx/Kconfig
   3 @@ -176,6 +176,15 @@ config ARCH_PRPMC1100
   4           PrPCM1100 Processor Mezanine Module. For more information on
   5           this platform, see <file:Documentation/arm/IXP4xx>.
   6
   7 +config MACH_TW2662
   8 +        bool "Titan Wireless TW-266-2"
   9 +        select PCI
  10 +        help
  11 +          Say 'Y' here if you want your kernel to support the Titan
  12 +          Wireless TW266-2. For more information on this platform,
  13 +          see http://openwrt.org
  14 +
  15 +
  16  config MACH_TW5334
  17         bool "Titan Wireless TW-533-4"
  18         select PCI
  19 --- a/arch/arm/mach-ixp4xx/Makefile
  20 +++ b/arch/arm/mach-ixp4xx/Makefile
  21 @@ -25,6 +25,7 @@ obj-pci-$(CONFIG_MACH_SIDEWINDER)     += sid
  22  obj-pci-$(CONFIG_MACH_COMPEXWP18)      += ixdp425-pci.o
  23  obj-pci-$(CONFIG_MACH_WRT300NV2)               += wrt300nv2-pci.o
  24  obj-pci-$(CONFIG_MACH_AP1000)          += ixdp425-pci.o
  25 +obj-pci-$(CONFIG_MACH_TW2662)          += tw2662-pci.o
  26  obj-pci-$(CONFIG_MACH_TW5334)          += tw5334-pci.o
  27  obj-pci-$(CONFIG_MACH_MI424WR)         += mi424wr-pci.o
  28  obj-pci-$(CONFIG_MACH_USR8200)         += usr8200-pci.o
  29 @@ -54,6 +55,7 @@ obj-$(CONFIG_MACH_SIDEWINDER) += sidewin
  30  obj-$(CONFIG_MACH_COMPEXWP18)  += compex42x-setup.o
  31  obj-$(CONFIG_MACH_WRT300NV2)   += wrt300nv2-setup.o
  32  obj-$(CONFIG_MACH_AP1000)      += ap1000-setup.o
  33 +obj-$(CONFIG_MACH_TW2662)      += tw2662-setup.o
  34  obj-$(CONFIG_MACH_TW5334)      += tw5334-setup.o
  35  obj-$(CONFIG_MACH_MI424WR)     += mi424wr-setup.o
  36  obj-$(CONFIG_MACH_USR8200)     += usr8200-setup.o
  37 --- a/arch/arm/mach-ixp4xx/include/mach/uncompress.h
  38 +++ b/arch/arm/mach-ixp4xx/include/mach/uncompress.h
  39 @@ -45,7 +45,7 @@ static __inline__ void __arch_decomp_set
  40             machine_is_devixp() || machine_is_miccpt() || machine_is_mic256() ||
  41             machine_is_pronghorn() || machine_is_pronghorn_metro() ||
  42             machine_is_wrt300nv2() || machine_is_tw5334() ||
  43 -           machine_is_usr8200())
  44 +           machine_is_usr8200() || machine_is_tw2662())
  45                 uart_base = (volatile u32*) IXP4XX_UART2_BASE_PHYS;
  46         else
  47                 uart_base = (volatile u32*) IXP4XX_UART1_BASE_PHYS;
  48 --- /dev/null
  49 +++ b/arch/arm/mach-ixp4xx/tw2662-pci.c
  50 @@ -0,0 +1,67 @@
  51 +/*
  52 + * arch/arm/mach-ixp4xx/tw2662-pci.c
  53 + *
  54 + * PCI setup routines for Tiran Wireless TW-266-2 platform
  55 + *
  56 + * Copyright (C) 2002 Jungo Software Technologies.
  57 + * Copyright (C) 2003 MontaVista Softwrae, Inc.
  58 + * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
  59 + * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
  60 + *
  61 + * Maintainer: Deepak Saxena <dsaxena@mvista.com>
  62 + * Maintainer: Alexandros C. Couloumbis <alex@ozo.com>
  63 + *
  64 + * This program is free software; you can redistribute it and/or modify
  65 + * it under the terms of the GNU General Public License version 2 as
  66 + * published by the Free Software Foundation.
  67 + *
  68 + */
  69 +
  70 +#include <linux/kernel.h>
  71 +#include <linux/pci.h>
  72 +#include <linux/init.h>
  73 +#include <linux/irq.h>
  74 +#include <asm/mach-types.h>
  75 +#include <mach/hardware.h>
  76 +#include <asm/irq.h>
  77 +#include <asm/mach/pci.h>
  78 +
  79 +#define SLOT0_DEVID    1
  80 +#define SLOT1_DEVID    3
  81 +
  82 +/* PCI controller GPIO to IRQ pin mappings */
  83 +#define SLOT0_INTA     11
  84 +#define SLOT1_INTA     9
  85 +
  86 +void __init tw2662_pci_preinit(void)
  87 +{
  88 +       irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT0_INTA), IRQ_TYPE_LEVEL_LOW);
  89 +       irq_set_irq_type(IXP4XX_GPIO_IRQ(SLOT1_INTA), IRQ_TYPE_LEVEL_LOW);
  90 +       ixp4xx_pci_preinit();
  91 +}
  92 +
  93 +static int __init tw2662_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
  94 +{
  95 +       if (slot == SLOT0_DEVID)
  96 +               return IXP4XX_GPIO_IRQ(SLOT0_INTA);
  97 +       else if (slot == SLOT1_DEVID)
  98 +               return IXP4XX_GPIO_IRQ(SLOT1_INTA);
  99 +       else return -1;
 100 +}
 101 +
 102 +struct hw_pci tw2662_pci __initdata = {
 103 +       .nr_controllers = 1,
 104 +       .preinit =        tw2662_pci_preinit,
 105 +       .ops =            &ixp4xx_ops,
 106 +       .setup =          ixp4xx_setup,
 107 +       .map_irq =        tw2662_map_irq,
 108 +};
 109 +
 110 +int __init tw2662_pci_init(void)
 111 +{
 112 +        if (machine_is_tw2662())
 113 +               pci_common_init(&tw2662_pci);
 114 +        return 0;
 115 +}
 116 +
 117 +subsys_initcall(tw2662_pci_init);
 118 --- /dev/null
 119 +++ b/arch/arm/mach-ixp4xx/tw2662-setup.c
 120 @@ -0,0 +1,197 @@
 121 +/*
 122 + * arch/arm/mach-ixp4xx/tw2662-setup.c
 123 + *
 124 + * Titan Wireless TW-266-2
 125 + *
 126 + * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
 127 + * Copyright (C) 2010 Alexandros C. Couloumbis <alex@ozo.com>
 128 + *
 129 + * based on ap1000-setup.c:
 130 + *     Author: Imre Kaloz <Kaloz@openwrt.org>
 131 + */
 132 +
 133 +#include <linux/if_ether.h>
 134 +#include <linux/kernel.h>
 135 +#include <linux/init.h>
 136 +#include <linux/device.h>
 137 +#include <linux/serial.h>
 138 +#include <linux/tty.h>
 139 +#include <linux/serial_8250.h>
 140 +#include <linux/slab.h>
 141 +#include <linux/netdevice.h>
 142 +#include <linux/etherdevice.h>
 143 +#include <linux/platform_device.h>
 144 +
 145 +#include <asm/io.h>
 146 +#include <asm/types.h>
 147 +#include <asm/setup.h>
 148 +#include <asm/memory.h>
 149 +#include <mach/hardware.h>
 150 +#include <asm/mach-types.h>
 151 +#include <asm/irq.h>
 152 +#include <asm/mach/arch.h>
 153 +#include <asm/mach/flash.h>
 154 +
 155 +/* gpio mask used by platform device */
 156 +#define TW2662_GPIO_MASK        (1 << 1) | (1 << 3) | (1 << 5) | (1 << 7)
 157 +
 158 +static struct flash_platform_data tw2662_flash_data = {
 159 +       .map_name       = "cfi_probe",
 160 +       .width          = 2,
 161 +};
 162 +
 163 +static struct resource tw2662_flash_resource = {
 164 +       .flags          = IORESOURCE_MEM,
 165 +};
 166 +
 167 +static struct platform_device tw2662_flash = {
 168 +       .name           = "IXP4XX-Flash",
 169 +       .id             = 0,
 170 +       .dev            = {
 171 +               .platform_data = &tw2662_flash_data,
 172 +       },
 173 +       .num_resources  = 1,
 174 +       .resource       = &tw2662_flash_resource,
 175 +};
 176 +
 177 +static struct resource tw2662_uart_resources[] = {
 178 +       {
 179 +               .start          = IXP4XX_UART1_BASE_PHYS,
 180 +               .end            = IXP4XX_UART1_BASE_PHYS + 0x0fff,
 181 +               .flags          = IORESOURCE_MEM
 182 +       },
 183 +       {
 184 +               .start          = IXP4XX_UART2_BASE_PHYS,
 185 +               .end            = IXP4XX_UART2_BASE_PHYS + 0x0fff,
 186 +               .flags          = IORESOURCE_MEM
 187 +       }
 188 +};
 189 +
 190 +static struct plat_serial8250_port tw2662_uart_data[] = {
 191 +       {
 192 +               .mapbase        = IXP4XX_UART1_BASE_PHYS,
 193 +               .membase        = (char *)IXP4XX_UART1_BASE_VIRT + REG_OFFSET,
 194 +               .irq            = IRQ_IXP4XX_UART1,
 195 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 196 +               .iotype         = UPIO_MEM,
 197 +               .regshift       = 2,
 198 +               .uartclk        = IXP4XX_UART_XTAL,
 199 +       },
 200 +       {
 201 +               .mapbase        = IXP4XX_UART2_BASE_PHYS,
 202 +               .membase        = (char *)IXP4XX_UART2_BASE_VIRT + REG_OFFSET,
 203 +               .irq            = IRQ_IXP4XX_UART2,
 204 +               .flags          = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST,
 205 +               .iotype         = UPIO_MEM,
 206 +               .regshift       = 2,
 207 +               .uartclk        = IXP4XX_UART_XTAL,
 208 +       },
 209 +       { },
 210 +};
 211 +
 212 +static struct platform_device tw2662_uart = {
 213 +       .name                   = "serial8250",
 214 +       .id                     = PLAT8250_DEV_PLATFORM,
 215 +       .dev.platform_data      = tw2662_uart_data,
 216 +       .num_resources          = 2,
 217 +       .resource               = tw2662_uart_resources
 218 +};
 219 +
 220 +/* Built-in 10/100 Ethernet MAC interfaces */
 221 +static struct eth_plat_info tw2662_plat_eth[] = {
 222 +        {
 223 +                .phy            = 3,
 224 +                .rxq            = 3,
 225 +                .txreadyq       = 20,
 226 +        }, {
 227 +                .phy            = 1,
 228 +                .rxq            = 4,
 229 +                .txreadyq       = 21,
 230 +        }
 231 +};
 232 +
 233 +static struct platform_device tw2662_eth[] = {
 234 +       {
 235 +               .name                   = "ixp4xx_eth",
 236 +               .id                     = IXP4XX_ETH_NPEB,
 237 +               .dev.platform_data      = tw2662_plat_eth,
 238 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 239 +       }, {
 240 +               .name                   = "ixp4xx_eth",
 241 +               .id                     = IXP4XX_ETH_NPEC,
 242 +               .dev.platform_data      = tw2662_plat_eth + 1,
 243 +               .dev.coherent_dma_mask  = DMA_BIT_MASK(32),
 244 +       }
 245 +};
 246 +
 247 +
 248 +static struct platform_device *tw2662_devices[] __initdata = {
 249 +       &tw2662_flash,
 250 +       &tw2662_uart,
 251 +       &tw2662_eth[0],
 252 +       &tw2662_eth[1],
 253 +};
 254 +
 255 +static char tw2662_mem_fixup[] __initdata = "mem=64M ";
 256 +
 257 +static void __init tw2662_fixup(struct tag *tags, char **cmdline,
 258 +                               struct meminfo *mi)
 259 +{
 260 +       struct tag *t = tags;
 261 +       char *p = *cmdline;
 262 +
 263 +       /* Find the end of the tags table, taking note of any cmdline tag. */
 264 +       for (; t->hdr.size; t = tag_next(t)) {
 265 +               if (t->hdr.tag == ATAG_CMDLINE) {
 266 +                       p = t->u.cmdline.cmdline;
 267 +               }
 268 +       }
 269 +
 270 +       /* Overwrite the end of the table with a new cmdline tag. */
 271 +       t->hdr.tag = ATAG_CMDLINE;
 272 +       t->hdr.size = (sizeof (struct tag_header) +
 273 +               strlen(tw2662_mem_fixup) + strlen(p) + 1 + 4) >> 2;
 274 +       strlcpy(t->u.cmdline.cmdline, tw2662_mem_fixup, COMMAND_LINE_SIZE);
 275 +       strlcpy(t->u.cmdline.cmdline + strlen(tw2662_mem_fixup), p,
 276 +               COMMAND_LINE_SIZE - strlen(tw2662_mem_fixup));
 277 +
 278 +       /* Terminate the table. */
 279 +       t = tag_next(t);
 280 +       t->hdr.tag = ATAG_NONE;
 281 +       t->hdr.size = 0;
 282 +}
 283 +
 284 +static void __init tw2662_init(void)
 285 +{
 286 +       ixp4xx_sys_init();
 287 +
 288 +       tw2662_flash_resource.start = IXP4XX_EXP_BUS_BASE(0);
 289 +       tw2662_flash_resource.end =
 290 +               IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1;
 291 +
 292 +       platform_add_devices(tw2662_devices, ARRAY_SIZE(tw2662_devices));
 293 +
 294 +       if (!(is_valid_ether_addr(tw2662_plat_eth[0].hwaddr)))
 295 +               random_ether_addr(tw2662_plat_eth[0].hwaddr);
 296 +       if (!(is_valid_ether_addr(tw2662_plat_eth[1].hwaddr))) {
 297 +               memcpy(tw2662_plat_eth[1].hwaddr, tw2662_plat_eth[0].hwaddr, ETH_ALEN);
 298 +               tw2662_plat_eth[1].hwaddr[5] = (tw2662_plat_eth[0].hwaddr[5] + 1);
 299 +       }
 300 +
 301 +}
 302 +
 303 +#ifdef CONFIG_MACH_TW2662
 304 +MACHINE_START(TW2662, "Titan Wireless TW-266-2")
 305 +       /* Maintainer: Alexandros C. Couloumbis <alex@ozo.com> */
 306 +       .fixup          = tw2662_fixup,
 307 +       .map_io         = ixp4xx_map_io,
 308 +       .init_irq       = ixp4xx_init_irq,
 309 +       .init_time      = ixp4xx_timer_init,
 310 +       .atag_offset    = 0x0100,
 311 +       .init_machine   = tw2662_init,
 312 +#if defined(CONFIG_PCI)
 313 +       .dma_zone_size  = SZ_64M,
 314 +#endif
 315 +       .restart        = ixp4xx_restart,
 316 +MACHINE_END
 317 +#endif