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| author | Tom Rini <trini@konsulko.com> | 2016-05-24 13:42:03 -0400 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2016-05-24 13:42:03 -0400 |
| commit | fc15b9beed05dec6cc092c265042381a0eadb0e9 (patch) | |
| tree | 2b256906815661689177279d7cd23e30827c377b /arch/arm/cpu/armv8/fsl-layerscape/soc.c | |
| parent | 2ee490a0245b65826a8ce8e42e34c9bf805d3656 (diff) | |
| parent | bc323b3fa7cbf1008f02d342c0505231961b5fa6 (diff) | |
| download | talos-obmc-uboot-fc15b9beed05dec6cc092c265042381a0eadb0e9.tar.gz talos-obmc-uboot-fc15b9beed05dec6cc092c265042381a0eadb0e9.zip | |
Merge branch 'master' of git://git.denx.de/u-boot-fsl-qoriq
Diffstat (limited to 'arch/arm/cpu/armv8/fsl-layerscape/soc.c')
| -rw-r--r-- | arch/arm/cpu/armv8/fsl-layerscape/soc.c | 36 |
1 files changed, 36 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c index 0cb010012e..0fb5c7f0cc 100644 --- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c +++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c @@ -12,6 +12,8 @@ #include <asm/io.h> #include <asm/global_data.h> #include <asm/arch-fsl-layerscape/config.h> +#include <fsl_ddr_sdram.h> +#include <fsl_ddr.h> #ifdef CONFIG_CHAIN_OF_TRUST #include <fsl_validate.h> #endif @@ -271,6 +273,39 @@ static void erratum_a009660(void) #endif } +static void erratum_a008850_early(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A008850 + /* part 1 of 2 */ + struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; + + /* disables propagation of barrier transactions to DDRC from CCI400 */ + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_TERM_BARRIER); + + /* disable the re-ordering in DDRC */ + ddr_out32(&ddr->eor, DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS); +#endif +} + +void erratum_a008850_post(void) +{ +#ifdef CONFIG_SYS_FSL_ERRATUM_A008850 + /* part 2 of 2 */ + struct ccsr_cci400 __iomem *cci = (void *)CONFIG_SYS_CCI400_ADDR; + struct ccsr_ddr __iomem *ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; + u32 tmp; + + /* enable propagation of barrier transactions to DDRC from CCI400 */ + out_le32(&cci->ctrl_ord, CCI400_CTRLORD_EN_BARRIER); + + /* enable the re-ordering in DDRC */ + tmp = ddr_in32(&ddr->eor); + tmp &= ~(DDR_EOR_RD_REOD_DIS | DDR_EOR_WD_REOD_DIS); + ddr_out32(&ddr->eor, tmp); +#endif +} + void fsl_lsch2_early_init_f(void) { struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; @@ -295,6 +330,7 @@ void fsl_lsch2_early_init_f(void) CCI400_DVM_MESSAGE_REQ_EN | CCI400_SNOOP_REQ_EN); /* Erratum */ + erratum_a008850_early(); /* part 1 of 2 */ erratum_a009929(); erratum_a009660(); } |
