diff options
Diffstat (limited to 'package/boot/uboot-layerscape/patches/0042-DNCPE-138-Rest-external-PHYs.patch')
| -rw-r--r-- | package/boot/uboot-layerscape/patches/0042-DNCPE-138-Rest-external-PHYs.patch | 69 |
1 files changed, 69 insertions, 0 deletions
diff --git a/package/boot/uboot-layerscape/patches/0042-DNCPE-138-Rest-external-PHYs.patch b/package/boot/uboot-layerscape/patches/0042-DNCPE-138-Rest-external-PHYs.patch new file mode 100644 index 0000000000..17542dd54d --- /dev/null +++ b/package/boot/uboot-layerscape/patches/0042-DNCPE-138-Rest-external-PHYs.patch @@ -0,0 +1,69 @@ +From 63acb257c32bd86abbad5abcc002d6c78b72f0ab Mon Sep 17 00:00:00 2001 +From: Anji J <anji.jagarlmudi@freescale.com> +Date: Mon, 16 May 2016 20:21:38 +0530 +Subject: [PATCH 42/93] DNCPE-138 Rest external PHYs + +Need to reset external PHYs through IO expander for proper function. + +Signed-off-by: Anjaneyulu Jagarlmudi <anji.jagarlmudi@nxp.com>> +Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com> +--- + board/freescale/ls1012ardb/eth.c | 14 ++++++++++++++ + include/configs/ls1012ardb.h | 9 +++++++++ + 2 files changed, 23 insertions(+) + +diff --git a/board/freescale/ls1012ardb/eth.c b/board/freescale/ls1012ardb/eth.c +index 29830e8..24fdd83 100644 +--- a/board/freescale/ls1012ardb/eth.c ++++ b/board/freescale/ls1012ardb/eth.c +@@ -20,6 +20,20 @@ + + #define DEFAULT_PFE_MDIO_NAME "PFE_MDIO" + ++ ++void reset_phy(void) ++{ ++ ++ /*Through reset IO expander reset both RGMII and SGMII PHYs */ ++ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 6, __PHY_MASK); ++ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 2, __PHY_ETH2_MASK); ++ mdelay(10); ++ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 2, __PHY_ETH1_MASK); ++ mdelay(10); ++ i2c_reg_write(CONFIG_SYS_I2C_RESET_IO_EXPANDER, 2, 0xFF); ++ mdelay(50); ++} ++ + int board_eth_init(bd_t *bis) + { + #ifdef CONFIG_FSL_PPFE +diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h +index 1b72bf1..23722e0 100644 +--- a/include/configs/ls1012ardb.h ++++ b/include/configs/ls1012ardb.h +@@ -24,6 +24,7 @@ + #define EMAC2_PHY_ADDR 0x1 + #define CONFIG_PHYLIB + #define CONFIG_PHY_REALTEK ++#define CONFIG_RESET_PHY_R + #endif + + /* +@@ -128,6 +129,14 @@ + #define __SW_REV_A 0xF8 + #define __SW_REV_B 0xF0 + ++/* ++ *I2C RESET expander ++ */ ++#define CONFIG_SYS_I2C_RESET_IO_EXPANDER 0x25 ++#define __PHY_MASK 0xF9 ++#define __PHY_ETH2_MASK 0xFB ++#define __PHY_ETH1_MASK 0xFD ++ + #define CONFIG_CMD_MEMINFO + #define CONFIG_CMD_MEMTEST + #define CONFIG_SYS_MEMTEST_START 0x80000000 +-- +1.7.9.5 + |