diff options
| author | Shengzhou Liu <Shengzhou.Liu@freescale.com> | 2014-11-24 17:12:00 +0800 |
|---|---|---|
| committer | York Sun <yorksun@freescale.com> | 2014-12-05 08:06:16 -0800 |
| commit | 5818643bf4788062594cc0b1b188400f2d5fb211 (patch) | |
| tree | 8cc4d650b504b2d56a30ab0f85fdb46ebbc49a8b | |
| parent | c18fc2c960708d85e5ef77fe7c5eead7d41d2231 (diff) | |
| download | u-boot-imx-5818643bf4788062594cc0b1b188400f2d5fb211.zip u-boot-imx-5818643bf4788062594cc0b1b188400f2d5fb211.tar.gz u-boot-imx-5818643bf4788062594cc0b1b188400f2d5fb211.tar.bz2 | |
t1024qds: increase IO drive strength
Increase IO drive strength to fix FCS error on RGMII ports
on T1024QDS.
Signed-off-by: Shengzhou Liu <Shengzhou.Liu@freescale.com>
Reviewed-by: York Sun <yorksun@freescale.com>
| -rw-r--r-- | arch/powerpc/include/asm/immap_85xx.h | 3 | ||||
| -rw-r--r-- | board/freescale/t102xqds/t102xqds.c | 4 |
2 files changed, 7 insertions, 0 deletions
diff --git a/arch/powerpc/include/asm/immap_85xx.h b/arch/powerpc/include/asm/immap_85xx.h index 361be6f..ace1d12 100644 --- a/arch/powerpc/include/asm/immap_85xx.h +++ b/arch/powerpc/include/asm/immap_85xx.h @@ -1803,6 +1803,7 @@ defined(CONFIG_PPC_T1020) || defined(CONFIG_PPC_T1022) #define FSL_CORENET_RCWSR13_EC2 0x0c000000 #define FSL_CORENET_RCWSR13_EC2_RGMII 0x08000000 #define CONFIG_SYS_FSL_SCFG_PIXCLKCR_OFFSET 0x28 +#define CONFIG_SYS_FSL_SCFG_IODSECR1_OFFSET 0xd00 #define PXCKEN_MASK 0x80000000 #define PXCK_MASK 0x00FF0000 #define PXCK_BITS_START 16 @@ -2990,6 +2991,8 @@ struct ccsr_sfp_regs { (CONFIG_SYS_CCSRBAR + CONFIG_SYS_FSL_SCFG_OFFSET) #define CONFIG_SYS_FSL_SCFG_PIXCLK_ADDR \ (CONFIG_SYS_FSL_SCFG_ADDR + CONFIG_SYS_FSL_SCFG_PIXCLKCR_OFFSET) +#define CONFIG_SYS_FSL_SCFG_IODSECR1_ADDR \ + (CONFIG_SYS_FSL_SCFG_ADDR + CONFIG_SYS_FSL_SCFG_IODSECR1_OFFSET) #define CONFIG_SYS_FSL_QMAN_ADDR \ (CONFIG_SYS_IMMR + CONFIG_SYS_FSL_QMAN_OFFSET) #define CONFIG_SYS_FSL_BMAN_ADDR \ diff --git a/board/freescale/t102xqds/t102xqds.c b/board/freescale/t102xqds/t102xqds.c index 335711b..8e6a23b 100644 --- a/board/freescale/t102xqds/t102xqds.c +++ b/board/freescale/t102xqds/t102xqds.c @@ -220,6 +220,10 @@ int board_early_init_r(void) #endif select_i2c_ch_pca9547(I2C_MUX_CH_DEFAULT); board_mux_lane_to_slot(); + + /* Increase IO drive strength to address FCS error on RGMII */ + out_be32((unsigned *)CONFIG_SYS_FSL_SCFG_IODSECR1_ADDR, 0xbfdb7800); + return 0; } |