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>

1 files changed, 77 insertions, 0 deletions

diff --git a/board/renesas/koelsch/koelsch.c b/board/renesas/koelsch/koelsch.c
index 7153f65..73cad66 100644
--- 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
 };