ar71xx: register UART for the AR933X SoCs
[openwrt/openwrt.git] / target / linux / ar71xx / files / arch / mips / ar71xx / devices.c
index 8879448ac17f666698adf8fcf2af0a4def65b5e1..03de1fc6f8180a7e29c17db9f96e6cb1fca1d82c 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
@@ -19,6 +21,7 @@
 #include <linux/serial_8250.h>
 
 #include <asm/mach-ar71xx/ar71xx.h>
+#include <asm/mach-ar71xx/ar933x_uart_platform.h>
 
 #include "devices.h"
 
@@ -55,10 +58,65 @@ static struct platform_device ar71xx_uart_device = {
        },
 };
 
+static struct resource ar933x_uart_resources[] = {
+       {
+               .start  = AR933X_UART_BASE,
+               .end    = AR933X_UART_BASE + AR71XX_UART_SIZE - 1,
+               .flags  = IORESOURCE_MEM,
+       },
+       {
+               .start  = AR71XX_MISC_IRQ_UART,
+               .end    = AR71XX_MISC_IRQ_UART,
+               .flags  = IORESOURCE_IRQ,
+       },
+};
+
+static struct ar933x_uart_platform_data ar933x_uart_data;
+static struct platform_device ar933x_uart_device = {
+       .name           = "ar933x-uart",
+       .id             = -1,
+       .resource       = ar933x_uart_resources,
+       .num_resources  = ARRAY_SIZE(ar933x_uart_resources),
+       .dev = {
+               .platform_data  = &ar933x_uart_data,
+       },
+};
+
 void __init ar71xx_add_device_uart(void)
 {
-       ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
-       platform_device_register(&ar71xx_uart_device);
+       struct platform_device *pdev;
+
+       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:
+               pdev = &ar71xx_uart_device;
+               ar71xx_uart_data[0].uartclk = ar71xx_ahb_freq;
+               break;
+
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               pdev = &ar933x_uart_device;
+               ar933x_uart_data.uartclk = ar71xx_ahb_freq;
+               break;
+
+       case AR71XX_SOC_AR9341:
+       case AR71XX_SOC_AR9342:
+       case AR71XX_SOC_AR9344:
+               pdev = &ar71xx_uart_device;
+               ar71xx_uart_data[0].uartclk = ar71xx_ref_freq;
+               break;
+
+       default:
+               BUG();
+       }
+
+       platform_device_register(pdev);
 }
 
 static struct resource ar71xx_mdio_resources[] = {
@@ -82,23 +140,6 @@ struct platform_device ar71xx_mdio_device = {
        },
 };
 
-void __init ar71xx_add_device_mdio(u32 phy_mask)
-{
-       switch (ar71xx_soc) {
-       case AR71XX_SOC_AR7240:
-       case AR71XX_SOC_AR7241:
-       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);
-}
-
 static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
 {
        void __iomem *base;
@@ -128,6 +169,37 @@ static void ar71xx_set_pll(u32 cfg_reg, u32 pll_reg, u32 pll_val, u32 shift)
        iounmap(base);
 }
 
+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_set_pll(AR71XX_PLL_REG_SEC_CONFIG,
+                              AR7242_PLL_REG_ETH0_INT_CLOCK, 0x62000000,
+                              AR71XX_ETH0_PLL_SHIFT);
+               break;
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               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;
+       default:
+               break;
+       }
+
+       ar71xx_mdio_data.phy_mask = phy_mask;
+
+       platform_device_register(&ar71xx_mdio_device);
+}
+
 struct ar71xx_eth_pll_data ar71xx_eth0_pll_data;
 struct ar71xx_eth_pll_data ar71xx_eth1_pll_data;
 
@@ -190,6 +262,14 @@ static void ar724x_set_pll_ge1(int speed)
        /* TODO */
 }
 
+static void ar7242_set_pll_ge0(int speed)
+{
+       u32 val = ar71xx_get_eth_pll(0, speed);
+
+       ar71xx_set_pll(AR71XX_PLL_REG_SEC_CONFIG, AR7242_PLL_REG_ETH0_INT_CLOCK,
+                      val, AR71XX_ETH0_PLL_SHIFT);
+}
+
 static void ar91xx_set_pll_ge0(int speed)
 {
        u32 val = ar71xx_get_eth_pll(0, speed);
@@ -206,6 +286,16 @@ static void ar91xx_set_pll_ge1(int speed)
                         val, AR91XX_ETH1_PLL_SHIFT);
 }
 
+static void ar933x_set_pll_ge0(int speed)
+{
+       /* TODO */
+}
+
+static void ar933x_set_pll_ge1(int speed)
+{
+       /* TODO */
+}
+
 static void ar71xx_ddr_flush_ge0(void)
 {
        ar71xx_ddr_flush(AR71XX_DDR_REG_FLUSH_GE0);
@@ -236,6 +326,16 @@ static void ar91xx_ddr_flush_ge1(void)
        ar71xx_ddr_flush(AR91XX_DDR_REG_FLUSH_GE1);
 }
 
+static void ar933x_ddr_flush_ge0(void)
+{
+       ar71xx_ddr_flush(AR933X_DDR_REG_FLUSH_GE0);
+}
+
+static void ar933x_ddr_flush_ge1(void)
+{
+       ar71xx_ddr_flush(AR933X_DDR_REG_FLUSH_GE1);
+}
+
 static struct resource ar71xx_eth0_resources[] = {
        {
                .name   = "mac_base",
@@ -310,10 +410,18 @@ struct platform_device ar71xx_eth1_device = {
 #define AR724X_PLL_VAL_100     0x00001099
 #define AR724X_PLL_VAL_10      0x00991099
 
+#define AR7242_PLL_VAL_1000    0x1c000000
+#define AR7242_PLL_VAL_100     0x00000101
+#define AR7242_PLL_VAL_10      0x00001616
+
 #define AR91XX_PLL_VAL_1000    0x1a000000
 #define AR91XX_PLL_VAL_100     0x13000a44
 #define AR91XX_PLL_VAL_10      0x00441099
 
+#define AR933X_PLL_VAL_1000    0x00110000
+#define AR933X_PLL_VAL_100     0x00001099
+#define AR933X_PLL_VAL_10      0x00991099
+
 static void __init ar71xx_init_eth_pll_data(unsigned int id)
 {
        struct ar71xx_eth_pll_data *pll_data;
@@ -341,18 +449,31 @@ static void __init ar71xx_init_eth_pll_data(unsigned int id)
 
        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;
                break;
 
+       case AR71XX_SOC_AR7242:
+               pll_10 = AR7242_PLL_VAL_10;
+               pll_100 = AR7242_PLL_VAL_100;
+               pll_1000 = AR7242_PLL_VAL_1000;
+               break;
+
        case AR71XX_SOC_AR9130:
        case AR71XX_SOC_AR9132:
                pll_10 = AR91XX_PLL_VAL_10;
                pll_100 = AR91XX_PLL_VAL_100;
                pll_1000 = AR91XX_PLL_VAL_1000;
                break;
+
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               pll_10 = AR933X_PLL_VAL_10;
+               pll_100 = AR933X_PLL_VAL_100;
+               pll_1000 = AR933X_PLL_VAL_1000;
+               break;
+
        default:
                BUG();
        }
@@ -436,8 +557,25 @@ 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;
+               pdata->ddr_flush = id ? ar724x_ddr_flush_ge1
+                                     : ar724x_ddr_flush_ge0;
+               pdata->set_pll =  id ? ar724x_set_pll_ge1
+                                    : ar7242_set_pll_ge0;
+               pdata->has_gbit = 1;
+               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_AR7241:
                ar71xx_eth0_data.reset_bit |= AR724X_RESET_GE0_MDIO;
                ar71xx_eth1_data.reset_bit |= AR724X_RESET_GE1_MDIO;
                /* fall through */
@@ -473,6 +611,27 @@ void __init ar71xx_add_device_eth(unsigned int id)
                pdata->has_gbit = 1;
                break;
 
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               ar71xx_eth0_data.reset_bit = AR933X_RESET_GE0_MAC |
+                                            AR933X_RESET_GE0_MDIO;
+               ar71xx_eth1_data.reset_bit = AR933X_RESET_GE1_MAC |
+                                            AR933X_RESET_GE1_MDIO;
+               pdata->ddr_flush = id ? ar933x_ddr_flush_ge1
+                                     : ar933x_ddr_flush_ge0;
+               pdata->set_pll =  id ? ar933x_set_pll_ge1
+                                    : ar933x_set_pll_ge0;
+               pdata->has_gbit = 1;
+               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;
+
        default:
                BUG();
        }