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driver/ddr/fsl: Check condition for erratum A-009803

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Add condition of checking the enabled of address parity
for erratum A-009803, if parity is not enabled, the
workaround of erratum A-009803 should not be applied.

Signed-off-by: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Shengzhou Liu
2016-05-25 16:15:00 +08:00
committed by York Sun
parent b06f6f2f03
commit d36740462a
1 changed files with 23 additions and 19 deletions
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8
drivers/ddr/fsl/fsl_ddr_gen4.c
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@@ -206,12 +206,14 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs,
#ifdef CONFIG_SYS_FSL_ERRATUM_A009803
/* part 1 of 2 */
if (regs->ddr_sdram_cfg_2 & SDRAM_CFG2_AP_EN) {
if (regs->ddr_sdram_cfg & SDRAM_CFG_RD_EN) { /* for RDIMM */
ddr_out32(&ddr->ddr_sdram_rcw_2,
regs->ddr_sdram_rcw_2 & ~0x0f000000);
}
ddr_out32(&ddr->err_disable, regs->err_disable | DDR_ERR_DISABLE_APED);
ddr_out32(&ddr->err_disable, regs->err_disable |
DDR_ERR_DISABLE_APED);
}
#else
ddr_out32(&ddr->err_disable, regs->err_disable);
#endif
@@ -395,6 +397,7 @@ step2:
#endif /* CONFIG_SYS_FSL_ERRATUM_A008511 */
#ifdef CONFIG_SYS_FSL_ERRATUM_A009803
if (regs->ddr_sdram_cfg_2 & SDRAM_CFG2_AP_EN) {
/* if it's RDIMM */
if (regs->ddr_sdram_cfg & SDRAM_CFG_RD_EN) {
for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) {
@@ -411,6 +414,7 @@ step2:
ddr_out32(&ddr->err_disable,
regs->err_disable & ~DDR_ERR_DISABLE_APED);
}
#endif
}
#endif