[ar71xx] add experimental support for the AP83-040 board
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ar71xx / mach-ap83.c
index 45eace8a3172a7523b702ad56271a52cb39958e8..fe0e5026bb30d19b68c2f63e90297439ecf089cd 100644 (file)
@@ -1,7 +1,7 @@
 /*
  *  Atheros AP83 board support
  *
- *  Copyright (C) 2008 Gabor Juhos <juhosg@openwrt.org>
+ *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
  *  This program is free software; you can redistribute it and/or modify it
@@ -9,13 +9,20 @@
  *  by the Free Software Foundation.
  */
 
+#include <linux/delay.h>
 #include <linux/platform_device.h>
 #include <linux/input.h>
+#include <linux/mtd/mtd.h>
+#include <linux/mtd/partitions.h>
+#include <linux/mtd/physmap.h>
+#include <linux/spi/spi.h>
+#include <linux/spi/spi_gpio.h>
+#include <linux/spi/vsc7385.h>
 
 #include <asm/mips_machine.h>
 #include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/pci.h>
-#include <asm/mach-ar71xx/platform.h>
+
+#include "devices.h"
 
 #define AP83_GPIO_LED_WLAN     6
 #define AP83_GPIO_LED_POWER    14
 #define AP83_GPIO_BTN_JUMPSTART        12
 #define AP83_GPIO_BTN_RESET    21
 
+#define AP83_050_GPIO_VSC7385_CS       1
+#define AP83_050_GPIO_VSC7385_MISO     3
+#define AP83_050_GPIO_VSC7385_MOSI     16
+#define AP83_050_GPIO_VSC7385_SCK      17
+
+#ifdef CONFIG_MTD_PARTITIONS
+static struct mtd_partition ap83_flash_partitions[] = {
+       {
+               .name           = "u-boot",
+               .offset         = 0,
+               .size           = 0x040000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "u-boot-env",
+               .offset         = 0x040000,
+               .size           = 0x020000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "rootfs",
+               .offset         = 0x060000,
+               .size           = 0x400000,
+       } , {
+               .name           = "kernel",
+               .offset         = 0x460000,
+               .size           = 0x100000,
+       } , {
+               .name           = "art",
+               .offset         = 0x560000,
+               .size           = 0x2a0000,
+               .mask_flags     = MTD_WRITEABLE,
+       } , {
+               .name           = "firmware",
+               .offset         = 0x060000,
+               .size           = 0x500000,
+       }
+};
+#endif /* CONFIG_MTD_PARTITIONS */
+
+static struct physmap_flash_data ap83_flash_data = {
+       .width          = 2,
+#ifdef CONFIG_MTD_PARTITIONS
+        .parts          = ap83_flash_partitions,
+        .nr_parts       = ARRAY_SIZE(ap83_flash_partitions),
+#endif
+};
+
+static struct resource ap83_flash_resources[] = {
+       [0] = {
+               .start  = AR71XX_SPI_BASE,
+               .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct platform_device ap83_flash_device = {
+       .name           = "physmap-flash",
+       .id             = -1,
+       .resource       = ap83_flash_resources,
+       .num_resources  = ARRAY_SIZE(ap83_flash_resources),
+       .dev            = {
+               .platform_data = &ap83_flash_data,
+       }
+};
+
 static struct gpio_led ap83_leds_gpio[] __initdata = {
        {
                .name           = "ap83:green:jumpstart",
@@ -57,8 +128,65 @@ static struct gpio_button ap83_gpio_buttons[] __initdata = {
        }
 };
 
-static void __init ap83_setup(void)
+static struct resource ap83_040_spi_resources[] = {
+       [0] = {
+               .start  = AR71XX_SPI_BASE,
+               .end    = AR71XX_SPI_BASE + AR71XX_SPI_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+};
+
+static struct platform_device ap83_040_spi_device = {
+       .name           = "ap83-spi",
+       .id             = 0,
+       .resource       = ap83_040_spi_resources,
+       .num_resources  = ARRAY_SIZE(ap83_040_spi_resources),
+};
+
+static struct spi_gpio_platform_data ap83_050_spi_data = {
+       .miso   = AP83_050_GPIO_VSC7385_MISO,
+       .mosi   = AP83_050_GPIO_VSC7385_MOSI,
+       .sck    = AP83_050_GPIO_VSC7385_SCK,
+       .num_chipselect = 1,
+};
+
+static struct platform_device ap83_050_spi_device = {
+       .name           = "spi_gpio",
+       .id             = 0,
+       .dev            = {
+               .platform_data = &ap83_050_spi_data,
+       }
+};
+
+static void ap83_vsc7385_reset(void)
 {
+       ar71xx_device_stop(RESET_MODULE_GE1_PHY);
+       udelay(10);
+       ar71xx_device_start(RESET_MODULE_GE1_PHY);
+       mdelay(50);
+}
+
+static struct vsc7385_platform_data ap83_vsc7385_data = {
+       .reset          = ap83_vsc7385_reset,
+};
+
+static struct spi_board_info ap83_spi_info[] = {
+       {
+               .bus_num        = 0,
+               .chip_select    = 0,
+               .max_speed_hz   = 25000000,
+               .modalias       = "spi-vsc7385",
+               .platform_data  = &ap83_vsc7385_data,
+               .controller_data = (void *) AP83_050_GPIO_VSC7385_CS,
+       }
+};
+
+static void __init ap83_generic_setup(void)
+{
+       u8 *mac = (u8 *) KSEG1ADDR(0x1fff1000);
+
+       ar71xx_set_mac_base(mac);
+
        ar71xx_add_device_mdio(0xfffffffe);
 
        ar71xx_eth0_data.phy_if_mode = PHY_INTERFACE_MODE_RGMII;
@@ -71,6 +199,8 @@ static void __init ap83_setup(void)
        ar71xx_eth1_data.speed = SPEED_1000;
        ar71xx_eth1_data.duplex = DUPLEX_FULL;
 
+       ar71xx_eth1_pll_data.pll_1000 = 0x1f000000;
+
        ar71xx_add_device_eth(1);
 
        ar71xx_add_device_leds_gpio(-1, ARRAY_SIZE(ap83_leds_gpio),
@@ -80,6 +210,46 @@ static void __init ap83_setup(void)
                                        ap83_gpio_buttons);
 
        ar71xx_add_device_usb();
+
+       ar91xx_add_device_wmac();
+
+       platform_device_register(&ap83_flash_device);
+
+       spi_register_board_info(ap83_spi_info, ARRAY_SIZE(ap83_spi_info));
+}
+
+static void __init ap83_040_setup(void)
+{
+       ar71xx_flash_lock_enable();
+       ap83_generic_setup();
+       platform_device_register(&ap83_040_spi_device);
+}
+
+static void __init ap83_050_setup(void)
+{
+       ap83_generic_setup();
+       platform_device_register(&ap83_050_spi_device);
+}
+
+static void __init ap83_setup(void)
+{
+       u8 *board_id = (u8 *) KSEG1ADDR(0x1fff1244);
+       unsigned int board_version;
+
+       board_version = (unsigned int)(board_id[0] - '0');
+       board_version += ((unsigned int)(board_id[1] - '0')) * 10;
+
+       switch (board_version) {
+       case 40:
+               ap83_040_setup();
+               break;
+       case 50:
+               ap83_050_setup();
+               break;
+       default:
+               printk(KERN_WARNING "AP83-%03u board is not yet supported\n",
+                      board_version);
+       }
 }
 
 MIPS_MACHINE(AR71XX_MACH_AP83, "Atheros AP83", ap83_setup);