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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>
This commit is contained in:
Shengzhou Liu 2014-11-24 17:12:00 +08:00 committed by York Sun
parent c18fc2c960
commit 5818643bf4
2 changed files with 7 additions and 0 deletions
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3
arch/powerpc/include/asm/immap_85xx.h
View File

@ -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 \

4
board/freescale/t102xqds/t102xqds.c
View File

@ -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;
}