arm: koelsch: Add support Ethernet

The koelsch board has one sh-ether device.
This supports sh-ether.

Signed-off-by: Nobuhiro Iwamatsu <iwamatsu@nigauri.org>

diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c
index 7153f652b53116c1152157da8ad30d34a34607eb..73cad66f1ed8aad16b53b22d06edc2d16350dcf0 100644 (file)
--- a/board/renesas/koelsch/koelsch.c
+++ b/board/renesas/koelsch/koelsch.c
@@ -16,6 +16,8 @@
 #include <asm/arch/sys_proto.h>
 #include <asm/gpio.h>
 #include <asm/arch/rmobile.h>
+#include <netdev.h>
+#include <miiphy.h>
 #include <i2c.h>
 #include "qos.h"
 
@@ -207,6 +209,10 @@ void s_init(void)
 #define SMSTPCR7       0xE615014C
 #define SCIF0_MSTP721  (1 << 21)
 
+#define MSTPSR8                0xE61509A0
+#define SMSTPCR8       0xE6150990
+#define ETHER_MSTP813  (1 << 13)
+
 #define PMMR   0xE6060000
 #define GPSR4  0xE6060014
 #define IPSR14 0xE6060058
@@ -241,9 +247,16 @@ int board_early_init_f(void)
 
        mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
 
+       /* ETHER */
+       mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
+
        return 0;
 }
 
+/* LSI pin pull-up control */
+#define PUPR5 0xe6060114
+#define PUPR5_ETH 0x3FFC0000
+#define PUPR5_ETH_MAGIC        (1 << 27)
 int board_init(void)
 {
        /* adress of boot parameters */
@@ -252,7 +265,57 @@ int board_init(void)
        /* Init PFC controller */
        r8a7791_pinmux_init();
 
+       /* ETHER Enable */
+       gpio_request(GPIO_FN_ETH_CRS_DV, NULL);
+       gpio_request(GPIO_FN_ETH_RX_ER, NULL);
+       gpio_request(GPIO_FN_ETH_RXD0, NULL);
+       gpio_request(GPIO_FN_ETH_RXD1, NULL);
+       gpio_request(GPIO_FN_ETH_LINK, NULL);
+       gpio_request(GPIO_FN_ETH_REFCLK, NULL);
+       gpio_request(GPIO_FN_ETH_MDIO, NULL);
+       gpio_request(GPIO_FN_ETH_TXD1, NULL);
+       gpio_request(GPIO_FN_ETH_TX_EN, NULL);
+       gpio_request(GPIO_FN_ETH_TXD0, NULL);
+       gpio_request(GPIO_FN_ETH_MDC, NULL);
+       gpio_request(GPIO_FN_IRQ0, NULL);
+
+       mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH & ~PUPR5_ETH_MAGIC);
+       gpio_request(GPIO_GP_5_22, NULL); /* PHY_RST */
+       mstp_clrbits_le32(PUPR5, PUPR5, PUPR5_ETH_MAGIC);
+
+       gpio_direction_output(GPIO_GP_5_22, 0);
+       mdelay(20);
+       gpio_set_value(GPIO_GP_5_22, 1);
+       udelay(1);
+
+       return 0;
+}
+
+#define CXR24 0xEE7003C0 /* MAC address high register */
+#define CXR25 0xEE7003C8 /* MAC address low register */
+int board_eth_init(bd_t *bis)
+{
+#ifdef CONFIG_SH_ETHER
+       int ret = -ENODEV;
+       u32 val;
+       unsigned char enetaddr[6];
+
+       ret = sh_eth_initialize(bis);
+       if (!eth_getenv_enetaddr("ethaddr", enetaddr))
+               return ret;
+
+       /* Set Mac address */
+       val = enetaddr[0] << 24 | enetaddr[1] << 16 |
+               enetaddr[2] << 8 | enetaddr[3];
+       writel(val, CXR24);
+
+       val = enetaddr[4] << 8 | enetaddr[5];
+       writel(val, CXR25);
+
+       return ret;
+#else
        return 0;
+#endif
 }
 
 int dram_init(void)
@@ -263,6 +326,20 @@ int dram_init(void)
        return 0;
 }
 
+/* koelsch has KSZ8041NL/RNL */
+#define PHY_CONTROL1   0x1E
+#define PHY_LED_MODE   0xC0000
+#define PHY_LED_MODE_ACK       0x4000
+int board_phy_config(struct phy_device *phydev)
+{
+       int ret = phy_read(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1);
+       ret &= ~PHY_LED_MODE;
+       ret |= PHY_LED_MODE_ACK;
+       ret = phy_write(phydev, MDIO_DEVAD_NONE, PHY_CONTROL1, (u16)ret);
+
+       return 0;
+}
+
 const struct rmobile_sysinfo sysinfo = {
        CONFIG_RMOBILE_BOARD_STRING
 };

diff --git a/include/configs/koelsch.h b/include/configs/koelsch.h
index 59c494854be8dd52451cc4887a87ec2c751e39aa..32ceff3d7cbc4a19d3b1fd4137757b7642009c69 100644 (file)
--- a/include/configs/koelsch.h
+++ b/include/configs/koelsch.h
@@ -18,13 +18,18 @@
 
 #include <asm/arch/rmobile.h>
 
-#define        CONFIG_CMD_EDITENV
-#define        CONFIG_CMD_SAVEENV
+#define CONFIG_CMD_EDITENV
+#define CONFIG_CMD_SAVEENV
 #define CONFIG_CMD_MEMORY
 #define CONFIG_CMD_DFL
 #define CONFIG_CMD_SDRAM
 #define CONFIG_CMD_RUN
 #define CONFIG_CMD_LOADS
+#define CONFIG_CMD_NET
+#define CONFIG_CMD_MII
+#define CONFIG_CMD_PING
+#define CONFIG_CMD_DHCP
+#define CONFIG_CMD_NFS
 #define CONFIG_CMD_BOOTZ
 #define        CONFIG_CMD_FLASH
 
@@ -123,6 +128,20 @@
 #define CONFIG_ENV_SIZE                (CONFIG_ENV_SECT_SIZE)
 #define CONFIG_ENV_SIZE_REDUND (CONFIG_SYS_MONITOR_LEN)
 
+/* SH Ether */
+#define        CONFIG_NET_MULTI
+#define CONFIG_SH_ETHER
+#define CONFIG_SH_ETHER_USE_PORT       0
+#define CONFIG_SH_ETHER_PHY_ADDR       0x1
+#define CONFIG_SH_ETHER_PHY_MODE PHY_INTERFACE_MODE_RMII
+#define CONFIG_SH_ETHER_CACHE_WRITEBACK
+#define CONFIG_SH_ETHER_CACHE_INVALIDATE
+#define CONFIG_PHYLIB
+#define CONFIG_PHY_MICREL
+#define CONFIG_BITBANGMII
+#define CONFIG_BITBANGMII_MULTI
+#define CONFIG_SH_ETHER_ALIGNE_SIZE 64
+
 /* Board Clock */
 #define        CONFIG_SYS_CLK_FREQ     10000000
 #define CONFIG_SH_TMU_CLK_FREQ CONFIG_SYS_CLK_FREQ