ar71xx: use the gpio_keys_polled driver instead of gpio_buttons
[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files / arch / mips / ar71xx / devices.c
index 7c08bc997fb2d77b382e78c32634fae13ae4be1d..8929f231ec93e464abfb9d3b9e515b4b92ccf1c7 100644 (file)
@@ -1,10 +1,12 @@
 /*
  *  Atheros AR71xx SoC platform devices
  *
+ *  Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com>
  *  Copyright (C) 2008-2009 Gabor Juhos <juhosg@openwrt.org>
  *  Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
  *
- *  Parts of this file are based on Atheros' 2.6.15 BSP
+ *  Parts of this file are based on Atheros 2.6.15 BSP
+ *  Parts of this file are based on Atheros 2.6.31 BSP
  *
  *  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
 #include <linux/kernel.h>
 #include <linux/init.h>
 #include <linux/delay.h>
-#include <linux/dma-mapping.h>
 #include <linux/etherdevice.h>
 #include <linux/platform_device.h>
 #include <linux/serial_8250.h>
-#include <linux/ath9k_platform.h>
 
 #include <asm/mach-ar71xx/ar71xx.h>
 
 #include "devices.h"
 
-static u8 ar71xx_mac_base[ETH_ALEN] __initdata;
-
-/*
- * OHCI (USB full speed host controller)
- */
-static struct resource ar71xx_ohci_resources[] = {
-       [0] = {
-               .start  = AR71XX_OHCI_BASE,
-               .end    = AR71XX_OHCI_BASE + AR71XX_OHCI_SIZE - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = AR71XX_MISC_IRQ_OHCI,
-               .end    = AR71XX_MISC_IRQ_OHCI,
-               .flags  = IORESOURCE_IRQ,
-       },
-};
-
-static u64 ar71xx_ohci_dmamask = DMA_BIT_MASK(32);
-static struct platform_device ar71xx_ohci_device = {
-       .name           = "ar71xx-ohci",
-       .id             = -1,
-       .resource       = ar71xx_ohci_resources,
-       .num_resources  = ARRAY_SIZE(ar71xx_ohci_resources),
-       .dev = {
-               .dma_mask               = &ar71xx_ohci_dmamask,
-               .coherent_dma_mask      = DMA_BIT_MASK(32),
-       },
-};
-
-/*
- * EHCI (USB full speed host controller)
- */
-static struct resource ar71xx_ehci_resources[] = {
-       [0] = {
-               .start  = AR71XX_EHCI_BASE,
-               .end    = AR71XX_EHCI_BASE + AR71XX_EHCI_SIZE - 1,
-               .flags  = IORESOURCE_MEM,
-       },
-       [1] = {
-               .start  = AR71XX_CPU_IRQ_USB,
-               .end    = AR71XX_CPU_IRQ_USB,
-               .flags  = IORESOURCE_IRQ,
-       },
-};
-
-
-static u64 ar71xx_ehci_dmamask = DMA_BIT_MASK(32);
-static struct ar71xx_ehci_platform_data ar71xx_ehci_data;
-
-static struct platform_device ar71xx_ehci_device = {
-       .name           = "ar71xx-ehci",
-       .id             = -1,
-       .resource       = ar71xx_ehci_resources,
-       .num_resources  = ARRAY_SIZE(ar71xx_ehci_resources),
-       .dev = {
-               .dma_mask               = &ar71xx_ehci_dmamask,
-               .coherent_dma_mask      = DMA_BIT_MASK(32),
-               .platform_data          = &ar71xx_ehci_data,
-       },
-};
-
-#define AR71XX_USB_RESET_MASK \
-       (RESET_MODULE_USB_HOST | RESET_MODULE_USB_PHY \
-       | RESET_MODULE_USB_OHCI_DLL)
-
-static void ar71xx_usb_setup(void)
-{
-       ar71xx_device_stop(AR71XX_USB_RESET_MASK);
-       mdelay(1000);
-       ar71xx_device_start(AR71XX_USB_RESET_MASK);
-
-       /* Turning on the Buff and Desc swap bits */
-       ar71xx_usb_ctrl_wr(USB_CTRL_REG_CONFIG, 0xf0000);
-
-       /* WAR for HW bug. Here it adjusts the duration between two SOFS */
-       ar71xx_usb_ctrl_wr(USB_CTRL_REG_FLADJ, 0x20c00);
-
-       mdelay(900);
-}
-
-static void ar91xx_usb_setup(void)
-{
-       ar71xx_device_stop(RESET_MODULE_USBSUS_OVERRIDE);
-       mdelay(10);
-
-       ar71xx_device_start(RESET_MODULE_USB_HOST);
-       mdelay(10);
-
-       ar71xx_device_start(RESET_MODULE_USB_PHY);
-       mdelay(10);
-}
-
-void __init ar71xx_add_device_usb(void)
-{
-       switch (ar71xx_soc) {
-       case AR71XX_SOC_AR7130:
-       case AR71XX_SOC_AR7141:
-       case AR71XX_SOC_AR7161:
-               ar71xx_usb_setup();
-               platform_device_register(&ar71xx_ohci_device);
-               platform_device_register(&ar71xx_ehci_device);
-               break;
-
-       case AR71XX_SOC_AR9130:
-       case AR71XX_SOC_AR9132:
-               ar91xx_usb_setup();
-               ar71xx_ehci_data.is_ar91xx = 1;
-               platform_device_register(&ar71xx_ehci_device);
-               break;
-
-       default:
-               BUG();
-       }
-}
+unsigned char ar71xx_mac_base[ETH_ALEN] __initdata;
 
 static struct resource ar71xx_uart_resources[] = {
        {
@@ -173,7 +59,28 @@ static struct platform_device ar71xx_uart_device = {
 
 void __init ar71xx_add_device_uart(void)
 {
-       ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7130:
+       case AR71XX_SOC_AR7141:
+       case AR71XX_SOC_AR7161:
+       case AR71XX_SOC_AR7240:
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
+       case AR71XX_SOC_AR9130:
+       case AR71XX_SOC_AR9132:
+               ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
+               break;
+
+       case AR71XX_SOC_AR9341:
+       case AR71XX_SOC_AR9342:
+       case AR71XX_SOC_AR9344:
+               ar71xx_uart_data[0].uartclk = ar71xx_ref_freq;
+               break;
+
+       default:
+               BUG();
+
+       }
        platform_device_register(&ar71xx_uart_device);
 }
 
@@ -186,11 +93,9 @@ static struct resource ar71xx_mdio_resources[] = {
        }
 };
 
-static struct ag71xx_mdio_platform_data ar71xx_mdio_data = {
-       .phy_mask       = 0xffffffff,
-};
+static struct ag71xx_mdio_platform_data ar71xx_mdio_data;
 
-static struct platform_device ar71xx_mdio_device = {
+struct platform_device ar71xx_mdio_device = {
        .name           = "ag71xx-mdio",
        .id             = -1,
        .resource       = ar71xx_mdio_resources,
@@ -202,7 +107,24 @@ static struct platform_device ar71xx_mdio_device = {
 
 void __init ar71xx_add_device_mdio(u32 phy_mask)
 {
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7240:
+               ar71xx_mdio_data.is_ar7240 = 1;
+               break;
+       case AR71XX_SOC_AR7241:
+               ar71xx_mdio_data.is_ar7240 = 1;
+               ar71xx_mdio_resources[0].start = AR71XX_GE1_BASE;
+               ar71xx_mdio_resources[0].end = AR71XX_GE1_BASE + 0x200 - 1;
+               break;
+       case AR71XX_SOC_AR7242:
+               ar71xx_mdio_data.is_ar7240 = 1;
+               break;
+       default:
+               break;
+       }
+
        ar71xx_mdio_data.phy_mask = phy_mask;
+
        platform_device_register(&ar71xx_mdio_device);
 }
 
@@ -366,7 +288,7 @@ struct ag71xx_platform_data ar71xx_eth0_data = {
        .reset_bit      = RESET_MODULE_GE0_MAC,
 };
 
-static struct platform_device ar71xx_eth0_device = {
+struct platform_device ar71xx_eth0_device = {
        .name           = "ag71xx",
        .id             = 0,
        .resource       = ar71xx_eth0_resources,
@@ -399,7 +321,7 @@ struct ag71xx_platform_data ar71xx_eth1_data = {
        .reset_bit      = RESET_MODULE_GE1_MAC,
 };
 
-static struct platform_device ar71xx_eth1_device = {
+struct platform_device ar71xx_eth1_device = {
        .name           = "ag71xx",
        .id             = 1,
        .resource       = ar71xx_eth1_resources,
@@ -447,6 +369,8 @@ static void __init ar71xx_init_eth_pll_data(unsigned int id)
                break;
 
        case AR71XX_SOC_AR7240:
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
                pll_10 = AR724X_PLL_VAL_10;
                pll_100 = AR724X_PLL_VAL_100;
                pll_1000 = AR724X_PLL_VAL_1000;
@@ -541,12 +465,24 @@ void __init ar71xx_add_device_eth(unsigned int id)
                pdata->has_gbit = 1;
                break;
 
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
+               ar71xx_eth0_data.reset_bit |= AR724X_RESET_GE0_MDIO;
+               ar71xx_eth1_data.reset_bit |= AR724X_RESET_GE1_MDIO;
+               /* fall through */
        case AR71XX_SOC_AR7240:
                pdata->ddr_flush = id ? ar724x_ddr_flush_ge1
                                      : ar724x_ddr_flush_ge0;
                pdata->set_pll =  id ? ar724x_set_pll_ge1
                                     : ar724x_set_pll_ge0;
                pdata->is_ar724x = 1;
+
+               if (!pdata->fifo_cfg1)
+                       pdata->fifo_cfg1 = 0x0010ffff;
+               if (!pdata->fifo_cfg2)
+                       pdata->fifo_cfg2 = 0x015500aa;
+               if (!pdata->fifo_cfg3)
+                       pdata->fifo_cfg3 = 0x01f00140;
                break;
 
        case AR71XX_SOC_AR9130:
@@ -583,16 +519,16 @@ void __init ar71xx_add_device_eth(unsigned int id)
                break;
        }
 
-       if (is_valid_ether_addr(ar71xx_mac_base)) {
-               memcpy(pdata->mac_addr, ar71xx_mac_base, ETH_ALEN);
-               pdata->mac_addr[5] += ar71xx_eth_instance;
-       } else {
+       if (!is_valid_ether_addr(pdata->mac_addr)) {
                random_ether_addr(pdata->mac_addr);
                printk(KERN_DEBUG
                        "ar71xx: using random MAC address for eth%d\n",
                        ar71xx_eth_instance);
        }
 
+       if (pdata->mii_bus_dev == NULL)
+               pdata->mii_bus_dev = &ar71xx_mdio_device.dev;
+
        /* Reset the device */
        ar71xx_device_stop(pdata->reset_bit);
        mdelay(100);
@@ -628,88 +564,6 @@ void __init ar71xx_add_device_spi(struct ar71xx_spi_platform_data *pdata,
        platform_device_register(&ar71xx_spi_device);
 }
 
-void __init ar71xx_add_device_leds_gpio(int id, unsigned num_leds,
-                               struct gpio_led *leds)
-{
-       struct platform_device *pdev;
-       struct gpio_led_platform_data pdata;
-       struct gpio_led *p;
-       int err;
-
-       p = kmalloc(num_leds * sizeof(*p), GFP_KERNEL);
-       if (!p)
-               return;
-
-       memcpy(p, leds, num_leds * sizeof(*p));
-
-       pdev = platform_device_alloc("leds-gpio", id);
-       if (!pdev)
-               goto err_free_leds;
-
-       memset(&pdata, 0, sizeof(pdata));
-       pdata.num_leds = num_leds;
-       pdata.leds = p;
-
-       err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
-       if (err)
-               goto err_put_pdev;
-
-       err = platform_device_add(pdev);
-       if (err)
-               goto err_put_pdev;
-
-       return;
-
-err_put_pdev:
-       platform_device_put(pdev);
-
-err_free_leds:
-       kfree(p);
-}
-
-void __init ar71xx_add_device_gpio_buttons(int id,
-                                          unsigned poll_interval,
-                                          unsigned nbuttons,
-                                          struct gpio_button *buttons)
-{
-       struct platform_device *pdev;
-       struct gpio_buttons_platform_data pdata;
-       struct gpio_button *p;
-       int err;
-
-       p = kmalloc(nbuttons * sizeof(*p), GFP_KERNEL);
-       if (!p)
-               return;
-
-       memcpy(p, buttons, nbuttons * sizeof(*p));
-
-       pdev = platform_device_alloc("gpio-buttons", id);
-       if (!pdev)
-               goto err_free_buttons;
-
-       memset(&pdata, 0, sizeof(pdata));
-       pdata.poll_interval = poll_interval;
-       pdata.nbuttons = nbuttons;
-       pdata.buttons = p;
-
-       err = platform_device_add_data(pdev, &pdata, sizeof(pdata));
-       if (err)
-               goto err_put_pdev;
-
-
-       err = platform_device_add(pdev);
-       if (err)
-               goto err_put_pdev;
-
-       return;
-
-err_put_pdev:
-       platform_device_put(pdev);
-
-err_free_buttons:
-       kfree(p);
-}
-
 void __init ar71xx_add_device_wdt(void)
 {
        platform_device_register_simple("ar71xx-wdt", -1, NULL, 0);
@@ -739,69 +593,37 @@ void __init ar71xx_parse_mac_addr(char *mac_str)
                                "\"%s\"\n", mac_str);
 }
 
-static struct resource ar91xx_wmac_resources[] = {
-       {
-               .start  = AR91XX_WMAC_BASE,
-               .end    = AR91XX_WMAC_BASE + AR91XX_WMAC_SIZE - 1,
-               .flags  = IORESOURCE_MEM,
-       }, {
-               .start  = AR71XX_CPU_IRQ_WMAC,
-               .end    = AR71XX_CPU_IRQ_WMAC,
-               .flags  = IORESOURCE_IRQ,
-       },
-};
-
-static struct ath9k_platform_data ar91xx_wmac_data;
-
-static struct platform_device ar91xx_wmac_device = {
-       .name           = "ath9k",
-       .id             = -1,
-       .resource       = ar91xx_wmac_resources,
-       .num_resources  = ARRAY_SIZE(ar91xx_wmac_resources),
-       .dev = {
-               .platform_data = &ar91xx_wmac_data,
-       },
-};
-
-void __init ar91xx_add_device_wmac(void)
+static int __init ar71xx_ethaddr_setup(char *str)
 {
-       u8 *ee = (u8 *) KSEG1ADDR(0x1fff1000);
-
-       memcpy(ar91xx_wmac_data.eeprom_data, ee,
-              sizeof(ar91xx_wmac_data.eeprom_data));
-
-       ar71xx_device_stop(RESET_MODULE_AMBA2WMAC);
-       mdelay(10);
-
-       ar71xx_device_start(RESET_MODULE_AMBA2WMAC);
-       mdelay(10);
-
-       platform_device_register(&ar91xx_wmac_device);
+       ar71xx_parse_mac_addr(str);
+       return 1;
 }
+__setup("ethaddr=", ar71xx_ethaddr_setup);
 
-static struct platform_device ar71xx_dsa_switch_device = {
-       .name           = "dsa",
-       .id             = 0,
-};
+static int __init ar71xx_kmac_setup(char *str)
+{
+       ar71xx_parse_mac_addr(str);
+       return 1;
+}
+__setup("kmac=", ar71xx_kmac_setup);
 
-void __init ar71xx_add_device_dsa(unsigned int id,
-                                 struct dsa_platform_data *d)
+void __init ar71xx_init_mac(unsigned char *dst, const unsigned char *src,
+                           unsigned offset)
 {
-       switch (id) {
-       case 0:
-               d->netdev = &ar71xx_eth0_device.dev;
-               break;
-       case 1:
-               d->netdev = &ar71xx_eth1_device.dev;
-               break;
-       default:
-               printk(KERN_ERR
-                       "ar71xx: invalid ethernet id %d for DSA switch\n",
-                       id);
+       u32 t;
+
+       if (!is_valid_ether_addr(src)) {
+               memset(dst, '\0', ETH_ALEN);
                return;
        }
-       d->mii_bus = &ar71xx_mdio_device.dev;
-       ar71xx_dsa_switch_device.dev.platform_data = d;
 
-       platform_device_register(&ar71xx_dsa_switch_device);
+       t = (((u32) src[3]) << 16) + (((u32) src[4]) << 8) + ((u32) src[5]);
+       t += offset;
+
+       dst[0] = src[0];
+       dst[1] = src[1];
+       dst[2] = src[2];
+       dst[3] = (t >> 16) & 0xff;
+       dst[4] = (t >> 8) & 0xff;
+       dst[5] = t & 0xff;
 }