diff mbox series

[U-Boot,u-boot,3/3] arm: amlogic: p212: Add support for Ethernet with Internal PHY

Message ID 1508313732-19282-4-git-send-email-narmstrong@baylibre.com
State Accepted
Commit ae0d82fc64be74bdf897f8e751ace1f8d06ab6f8
Delegated to: Tom Rini
Headers show
Series Add Ethernet support for Amlogic P212 Reference board | expand

Commit Message

Neil Armstrong Oct. 18, 2017, 8:02 a.m. UTC 
This patch adds support for the Internal RMII Ethernet PHY on the
Amlogic P212 Reference Board.

Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>
---
 board/amlogic/p212/p212.c | 39 ++++++++++++++++++++++++++++++++++++++-
 configs/p212_defconfig    |  4 ++++
 include/configs/p212.h    |  2 ++
 3 files changed, 44 insertions(+), 1 deletion(-)

Comments

Tom Rini Nov. 17, 2017, 3:43 p.m. UTC | #1 
On Wed, Oct 18, 2017 at 10:02:12AM +0200, Neil Armstrong wrote:

> This patch adds support for the Internal RMII Ethernet PHY on the
> Amlogic P212 Reference Board.
> 
> Signed-off-by: Neil Armstrong <narmstrong@baylibre.com>

Applied to u-boot/master, thanks!
diff mbox series

Patch

diff --git a/board/amlogic/p212/p212.c b/board/amlogic/p212/p212.c
index 1eeb7f2..ece8096 100644
--- a/board/amlogic/p212/p212.c
+++ b/board/amlogic/p212/p212.c
@@ -9,6 +9,13 @@ 
 #include <dm.h>
 #include <asm/io.h>
 #include <asm/arch/gxbb.h>
+#include <asm/arch/sm.h>
+#include <phy.h>
+
+#define EFUSE_SN_OFFSET		20
+#define EFUSE_SN_SIZE		16
+#define EFUSE_MAC_OFFSET	52
+#define EFUSE_MAC_SIZE		6
 
 int board_init(void)
 {
@@ -17,5 +24,35 @@  int board_init(void)
 
 int misc_init_r(void)
 {
-       return 0;
+	u8 mac_addr[EFUSE_MAC_SIZE];
+	char serial[EFUSE_SN_SIZE];
+	ssize_t len;
+
+	/* Set RMII mode */
+	out_le32(GXBB_ETH_REG_0, GXBB_ETH_REG_0_INVERT_RMII_CLK |
+				 GXBB_ETH_REG_0_CLK_EN);
+
+	/* Use Internal PHY */
+	out_le32(GXBB_ETH_REG_2, 0x10110181);
+	out_le32(GXBB_ETH_REG_3, 0xe40908ff);
+
+	/* Enable power and clock gate */
+	setbits_le32(GXBB_GCLK_MPEG_1, GXBB_GCLK_MPEG_1_ETH);
+	clrbits_le32(GXBB_MEM_PD_REG_0, GXBB_MEM_PD_REG_0_ETH_MASK);
+
+	if (!eth_env_get_enetaddr("ethaddr", mac_addr)) {
+		len = meson_sm_read_efuse(EFUSE_MAC_OFFSET,
+					  mac_addr, EFUSE_MAC_SIZE);
+		if (len == EFUSE_MAC_SIZE && is_valid_ethaddr(mac_addr))
+			eth_env_set_enetaddr("ethaddr", mac_addr);
+	}
+
+	if (!env_get("serial#")) {
+		len = meson_sm_read_efuse(EFUSE_SN_OFFSET, serial,
+			EFUSE_SN_SIZE);
+		if (len == EFUSE_SN_SIZE)
+			env_set("serial#", serial);
+	}
+
+	return 0;
 }
diff --git a/configs/p212_defconfig b/configs/p212_defconfig
index 3c57621..d4b5349 100644
--- a/configs/p212_defconfig
+++ b/configs/p212_defconfig
@@ -20,6 +20,10 @@  CONFIG_OF_CONTROL=y
 CONFIG_DM_GPIO=y
 CONFIG_DM_MMC=y
 CONFIG_MMC_MESON_GX=y
+CONFIG_DM_ETH=y
+CONFIG_ETH_DESIGNWARE=y
+CONFIG_PHY_MESON_GXL=y
+CONFIG_NET_RANDOM_ETHADDR=y
 CONFIG_PINCTRL=y
 CONFIG_PINCTRL_MESON_GXL=y
 CONFIG_DEBUG_UART_MESON=y
diff --git a/include/configs/p212.h b/include/configs/p212.h
index 0477384..793b556 100644
--- a/include/configs/p212.h
+++ b/include/configs/p212.h
@@ -12,6 +12,8 @@ 
 
 #define CONFIG_MISC_INIT_R
 
+#define CONFIG_PHY_ADDR 		8
+
 /* Serial setup */
 #define CONFIG_CONS_INDEX		0