Merge branch 'master' of git://git.denx.de/u-boot-arc

[oweals/u-boot.git] / arch / arm / cpu / armv8 / fsl-layerscape / soc.c

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index 0cb010012e7add46e725741cbcb535e2bb9047f4..dd633f36905c77d318ffab53d83eb2dca65c3c5b 100644 (file)
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -12,6 +12,10 @@
 #include <asm/io.h>
 #include <asm/global_data.h>
 #include <asm/arch-fsl-layerscape/config.h>
+#ifdef CONFIG_SYS_FSL_DDR
+#include <fsl_ddr_sdram.h>
+#include <fsl_ddr.h>
+#endif
 #ifdef CONFIG_CHAIN_OF_TRUST
 #include <fsl_validate.h>
 #endif
@@ -222,7 +226,7 @@ int sata_init(void)
 }
 #endif
 
-#elif defined(CONFIG_LS1043A)
+#elif defined(CONFIG_FSL_LSCH2)
 #ifdef CONFIG_SCSI_AHCI_PLAT
 int sata_init(void)
 {
@@ -271,6 +275,39 @@ 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 +332,7 @@ 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();
 }