Increase IO drive strength to fix FCS error on RGMII ports on T1024QDS.
Signed-off-by: Shengzhou Liu Shengzhou.Liu@freescale.com --- v2: removed rdb.
arch/powerpc/include/asm/immap_85xx.h | 3 +++ board/freescale/t102xqds/t102xqds.c | 4 ++++ 2 files changed, 7 insertions(+)
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 f7fc869..013024e 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; }