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authorNobuhiro Iwamatsu <iwamatsu@nigauri.org>2013-10-20 20:28:24 +0900
committerNobuhiro Iwamatsu <iwamatsu@nigauri.org>2013-12-18 16:35:45 +0900
commit23565c6bccf098418a03405bedda6f7d3e68da36 (patch)
treed5b8f65d2b6979a6e3cdc17b6ba7f348d4460e65 /board/renesas/lager/lager.c
parent36da5f84a90df444bbac0c3197d4945383075b76 (diff)
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arm: lager: Add support Ethernet
The lager board has one sh-ether device. This supports sh-ether. Signed-off-by: Nobuhiro Iwamatsu <nobuhiro.iwamatsu.yj@renesas.com>
Diffstat (limited to 'board/renesas/lager/lager.c')
-rw-r--r--board/renesas/lager/lager.c70
1 files changed, 70 insertions, 0 deletions
diff --git a/board/renesas/lager/lager.c b/board/renesas/lager/lager.c
index 5c99fc9..ba923d5 100644
--- a/board/renesas/lager/lager.c
+++ b/board/renesas/lager/lager.c
@@ -18,6 +18,7 @@
#include <asm/arch/sys_proto.h>
#include <asm/gpio.h>
#include <asm/arch/rmobile.h>
+#include <miiphy.h>
#include "qos.h"
DECLARE_GLOBAL_DATA_PTR;
@@ -207,6 +208,10 @@ 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
@@ -242,6 +247,9 @@ int board_early_init_f(void)
mstp_clrbits_le32(MSTPSR7, SMSTPCR7, SCIF0_MSTP721);
+ /* ETHER */
+ mstp_clrbits_le32(MSTPSR8, SMSTPCR8, ETHER_MSTP813);
+
return 0;
}
@@ -256,6 +264,68 @@ int board_init(void)
/* Init PFC controller */
r8a7790_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_REF_CLK, 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_MAGIC, NULL);
+ gpio_request(GPIO_FN_ETH_TXD0, NULL);
+ gpio_request(GPIO_FN_ETH_MDC, NULL);
+ gpio_request(GPIO_FN_IRQ0, NULL);
+
+ gpio_request(GPIO_GP_5_31, NULL); /* PHY_RST */
+ gpio_direction_output(GPIO_GP_5_31, 0);
+ mdelay(20);
+ gpio_set_value(GPIO_GP_5_31, 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)
+{
+ int ret = -ENODEV;
+
+#ifdef CONFIG_SH_ETHER
+ 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);
+
+#endif
+
+ return ret;
+}
+
+/* lager 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;
}