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(-)
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