| 1 | --- a/arch/arm/mach-ixp4xx/avila-setup.c |
| 2 | +++ b/arch/arm/mach-ixp4xx/avila-setup.c |
| 3 | @@ -14,10 +14,16 @@ |
| 4 | #include <linux/kernel.h> |
| 5 | #include <linux/init.h> |
| 6 | #include <linux/device.h> |
| 7 | +#include <linux/if_ether.h> |
| 8 | +#include <linux/socket.h> |
| 9 | +#include <linux/netdevice.h> |
| 10 | #include <linux/serial.h> |
| 11 | #include <linux/tty.h> |
| 12 | #include <linux/serial_8250.h> |
| 13 | #include <linux/slab.h> |
| 14 | +#include <linux/i2c.h> |
| 15 | +#include <linux/i2c/at24.h> |
| 16 | + |
| 17 | #include <linux/i2c-gpio.h> |
| 18 | |
| 19 | #include <asm/types.h> |
| 20 | @@ -29,6 +35,13 @@ |
| 21 | #include <asm/mach/arch.h> |
| 22 | #include <asm/mach/flash.h> |
| 23 | |
| 24 | +struct avila_board_info { |
| 25 | + unsigned char *model; |
| 26 | + void (*setup)(void); |
| 27 | +}; |
| 28 | + |
| 29 | +static struct avila_board_info *avila_info __initdata; |
| 30 | + |
| 31 | static struct flash_platform_data avila_flash_data = { |
| 32 | .map_name = "cfi_probe", |
| 33 | .width = 2, |
| 34 | @@ -132,16 +145,181 @@ static struct platform_device avila_pata |
| 35 | .resource = avila_pata_resources, |
| 36 | }; |
| 37 | |
| 38 | +/* Built-in 10/100 Ethernet MAC interfaces */ |
| 39 | +static struct eth_plat_info avila_npeb_data = { |
| 40 | + .phy = 0, |
| 41 | + .rxq = 3, |
| 42 | + .txreadyq = 20, |
| 43 | +}; |
| 44 | + |
| 45 | +static struct eth_plat_info avila_npec_data = { |
| 46 | + .phy = 1, |
| 47 | + .rxq = 4, |
| 48 | + .txreadyq = 21, |
| 49 | +}; |
| 50 | + |
| 51 | +static struct platform_device avila_npeb_device = { |
| 52 | + .name = "ixp4xx_eth", |
| 53 | + .id = IXP4XX_ETH_NPEB, |
| 54 | + .dev.platform_data = &avila_npeb_data, |
| 55 | +}; |
| 56 | + |
| 57 | +static struct platform_device avila_npec_device = { |
| 58 | + .name = "ixp4xx_eth", |
| 59 | + .id = IXP4XX_ETH_NPEC, |
| 60 | + .dev.platform_data = &avila_npec_data, |
| 61 | +}; |
| 62 | + |
| 63 | static struct platform_device *avila_devices[] __initdata = { |
| 64 | &avila_i2c_gpio, |
| 65 | &avila_flash, |
| 66 | &avila_uart |
| 67 | }; |
| 68 | |
| 69 | +static void __init avila_gw23xx_setup(void) |
| 70 | +{ |
| 71 | + platform_device_register(&avila_npeb_device); |
| 72 | + platform_device_register(&avila_npec_device); |
| 73 | +} |
| 74 | + |
| 75 | +static void __init avila_gw2342_setup(void) |
| 76 | +{ |
| 77 | + platform_device_register(&avila_npeb_device); |
| 78 | + platform_device_register(&avila_npec_device); |
| 79 | +} |
| 80 | + |
| 81 | +static void __init avila_gw2345_setup(void) |
| 82 | +{ |
| 83 | + avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR; |
| 84 | + avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */ |
| 85 | + platform_device_register(&avila_npeb_device); |
| 86 | + |
| 87 | + avila_npec_data.phy = 5; /* port 5 of the KS8995 switch */ |
| 88 | + platform_device_register(&avila_npec_device); |
| 89 | +} |
| 90 | + |
| 91 | +static void __init avila_gw2347_setup(void) |
| 92 | +{ |
| 93 | + platform_device_register(&avila_npeb_device); |
| 94 | +} |
| 95 | + |
| 96 | +static void __init avila_gw2348_setup(void) |
| 97 | +{ |
| 98 | + platform_device_register(&avila_npeb_device); |
| 99 | + platform_device_register(&avila_npec_device); |
| 100 | +} |
| 101 | + |
| 102 | +static void __init avila_gw2353_setup(void) |
| 103 | +{ |
| 104 | + platform_device_register(&avila_npeb_device); |
| 105 | +} |
| 106 | + |
| 107 | +static void __init avila_gw2355_setup(void) |
| 108 | +{ |
| 109 | + avila_npeb_data.phy = IXP4XX_ETH_PHY_MAX_ADDR; |
| 110 | + avila_npeb_data.phy_mask = 0x1e; /* ports 1-4 of the KS8995 switch */ |
| 111 | + platform_device_register(&avila_npeb_device); |
| 112 | + |
| 113 | + avila_npec_data.phy = 16; |
| 114 | + platform_device_register(&avila_npec_device); |
| 115 | +} |
| 116 | + |
| 117 | +static void __init avila_gw2357_setup(void) |
| 118 | +{ |
| 119 | + platform_device_register(&avila_npeb_device); |
| 120 | +} |
| 121 | + |
| 122 | +static struct avila_board_info avila_boards[] __initdata = { |
| 123 | + { |
| 124 | + .model = "GW2342", |
| 125 | + .setup = avila_gw2342_setup, |
| 126 | + }, { |
| 127 | + .model = "GW2345", |
| 128 | + .setup = avila_gw2345_setup, |
| 129 | + }, { |
| 130 | + .model = "GW2347", |
| 131 | + .setup = avila_gw2347_setup, |
| 132 | + }, { |
| 133 | + .model = "GW2348", |
| 134 | + .setup = avila_gw2348_setup, |
| 135 | + }, { |
| 136 | + .model = "GW2353", |
| 137 | + .setup = avila_gw2353_setup, |
| 138 | + }, { |
| 139 | + .model = "GW2355", |
| 140 | + .setup = avila_gw2355_setup, |
| 141 | + }, { |
| 142 | + .model = "GW2357", |
| 143 | + .setup = avila_gw2357_setup, |
| 144 | + } |
| 145 | +}; |
| 146 | + |
| 147 | +static struct avila_board_info * __init avila_find_board_info(char *model) |
| 148 | +{ |
| 149 | + int i; |
| 150 | + model[6] = '\0'; |
| 151 | + |
| 152 | + for (i = 0; i < ARRAY_SIZE(avila_boards); i++) { |
| 153 | + struct avila_board_info *info = &avila_boards[i]; |
| 154 | + if (strcmp(info->model, model) == 0) |
| 155 | + return info; |
| 156 | + } |
| 157 | + |
| 158 | + return NULL; |
| 159 | +} |
| 160 | + |
| 161 | +static struct memory_accessor *at24_mem_acc; |
| 162 | + |
| 163 | +static void at24_setup(struct memory_accessor *mem_acc, void *context) |
| 164 | +{ |
| 165 | + char mac_addr[ETH_ALEN]; |
| 166 | + char model[7]; |
| 167 | + |
| 168 | + at24_mem_acc = mem_acc; |
| 169 | + |
| 170 | + /* Read MAC addresses */ |
| 171 | + if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x0, 6) == 6) { |
| 172 | + memcpy(&avila_npeb_data.hwaddr, mac_addr, ETH_ALEN); |
| 173 | + } |
| 174 | + if (at24_mem_acc->read(at24_mem_acc, mac_addr, 0x6, 6) == 6) { |
| 175 | + memcpy(&avila_npec_data.hwaddr, mac_addr, ETH_ALEN); |
| 176 | + } |
| 177 | + |
| 178 | + /* Read the first 6 bytes of the model number */ |
| 179 | + if (at24_mem_acc->read(at24_mem_acc, model, 0x20, 6) == 6) { |
| 180 | + avila_info = avila_find_board_info(model); |
| 181 | + } |
| 182 | + |
| 183 | +} |
| 184 | + |
| 185 | +static struct at24_platform_data avila_eeprom_info = { |
| 186 | + .byte_len = 1024, |
| 187 | + .page_size = 16, |
| 188 | + .flags = AT24_FLAG_READONLY, |
| 189 | + .setup = at24_setup, |
| 190 | +}; |
| 191 | + |
| 192 | +static struct i2c_board_info __initdata avila_i2c_board_info[] = { |
| 193 | + { |
| 194 | + I2C_BOARD_INFO("ds1672", 0x68), |
| 195 | + }, |
| 196 | + { |
| 197 | + I2C_BOARD_INFO("ad7418", 0x28), |
| 198 | + }, |
| 199 | + { |
| 200 | + I2C_BOARD_INFO("24c08", 0x51), |
| 201 | + .platform_data = &avila_eeprom_info |
| 202 | + }, |
| 203 | +}; |
| 204 | + |
| 205 | static void __init avila_init(void) |
| 206 | { |
| 207 | ixp4xx_sys_init(); |
| 208 | |
| 209 | + /* |
| 210 | + * These devices are present on all Avila models and don't need any |
| 211 | + * model specific setup. |
| 212 | + */ |
| 213 | avila_flash_resource.start = IXP4XX_EXP_BUS_BASE(0); |
| 214 | avila_flash_resource.end = |
| 215 | IXP4XX_EXP_BUS_BASE(0) + ixp4xx_exp_bus_size - 1; |
| 216 | @@ -159,7 +337,28 @@ static void __init avila_init(void) |
| 217 | |
| 218 | platform_device_register(&avila_pata); |
| 219 | |
| 220 | + i2c_register_board_info(0, avila_i2c_board_info, |
| 221 | + ARRAY_SIZE(avila_i2c_board_info)); |
| 222 | +} |
| 223 | + |
| 224 | +static int __init avila_model_setup(void) |
| 225 | +{ |
| 226 | + if (!machine_is_avila()) |
| 227 | + return 0; |
| 228 | + |
| 229 | + if (avila_info) { |
| 230 | + printk(KERN_DEBUG "Running on Gateworks Avila %s\n", |
| 231 | + avila_info->model); |
| 232 | + avila_info->setup(); |
| 233 | + } else { |
| 234 | + printk(KERN_INFO "Unknown/missing Avila model number" |
| 235 | + " -- defaults will be used\n"); |
| 236 | + avila_gw23xx_setup(); |
| 237 | + } |
| 238 | + |
| 239 | + return 0; |
| 240 | } |
| 241 | +late_initcall(avila_model_setup); |
| 242 | |
| 243 | MACHINE_START(AVILA, "Gateworks Avila Network Platform") |
| 244 | /* Maintainer: Deepak Saxena <dsaxena@plexity.net> */ |
| 245 | |