[U-Boot] [Patch v3] powerpc/mpc85xx: Add workaround for DDR erratum A004508
York Sun
yorksun at freescale.com
Thu Jun 5 23:23:23 CEST 2014
When the DDR controller is initialized below a junction temperature of
0°C and then operated above a junction temperature of 65°C, the DDR
controller may cause receive data errors, resulting ECC errors and/or
corrupted data. This erratum applies to the following SoCs and their
variants: MPC8536, MPC8569, MPC8572, P1010, P1020, P1021, P1022, P1023,
P2020.
Signed-off-by: York Sun <yorksun at freescale.com>
---
Change log
v3: Fix the error of closing curly bracket caused by v2.
v2: Remove warning if workaround is not enabled.
arch/powerpc/cpu/mpc85xx/cmd_errata.c | 3 +++
arch/powerpc/include/asm/config_mpc85xx.h | 18 ++++++++++++++++++
drivers/ddr/fsl/ctrl_regs.c | 5 +++++
3 files changed, 26 insertions(+)
diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index 3d37a76..f69c834 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -231,6 +231,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
if ((SVR_MAJ(svr) == 1) || IS_SVR_REV(svr, 2, 0))
puts("Work-around for Erratum NMG ETSEC129 enabled\n");
#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A004508
+ puts("Work-around for Erratum A004508 enabled\n");
+#endif
#ifdef CONFIG_SYS_FSL_ERRATUM_A004510
puts("Work-around for Erratum A004510 enabled\n");
#endif
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index 34fc8fb..c9fd2a5 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -38,6 +38,7 @@
#define CONFIG_SYS_PPC_E500_DEBUG_TLB 1
#define CONFIG_SYS_FSL_SEC_COMPAT 2
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_MPC8540)
@@ -122,6 +123,7 @@
#define CONFIG_SYS_FSL_SRIO_IB_WIN_NUM 5
#define CONFIG_SYS_FSL_RMU
#define CONFIG_SYS_FSL_SRIO_MSG_UNIT_NUM 2
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_MPC8572)
@@ -132,6 +134,7 @@
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
#define CONFIG_SYS_FSL_ERRATUM_DDR_115
#define CONFIG_SYS_FSL_ERRATUM_DDR111_DDR134
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_P1010)
@@ -154,6 +157,7 @@
#define CONFIG_SYS_FSL_ERRATUM_IFC_A003399
#define CONFIG_SYS_FSL_ERRATUM_A005125
#define CONFIG_SYS_FSL_ERRATUM_I2C_A004447
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A007075
#define CONFIG_SYS_FSL_ERRATUM_A006261
#define CONFIG_SYS_FSL_A004447_SVR_REV 0x10
@@ -171,6 +175,7 @@
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
#define CONFIG_SYS_FSL_ERRATUM_ELBC_A001
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
/* P1012 is single core version of P1021 */
@@ -188,6 +193,7 @@
#define QE_MURAM_SIZE 0x6000UL
#define MAX_QE_RISC 1
#define QE_NUM_OF_SNUM 28
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
/* P1013 is single core version of P1022 */
@@ -202,6 +208,7 @@
#define CONFIG_SYS_FSL_ERRATUM_ELBC_A001
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
#define CONFIG_FSL_SATA_ERRATUM_A001
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_P1014)
@@ -219,6 +226,7 @@
#define CONFIG_SYS_FSL_ERRATUM_IFC_A002769
#define CONFIG_SYS_FSL_ERRATUM_P1010_A003549
#define CONFIG_SYS_FSL_ERRATUM_IFC_A003399
+#define CONFIG_SYS_FSL_ERRATUM_A004508
/* P1017 is single core version of P1023 */
#elif defined(CONFIG_P1017)
@@ -234,6 +242,7 @@
#define CONFIG_SYS_FM_MURAM_SIZE 0x10000
#define CONFIG_SYS_FSL_PCIE_COMPAT "fsl,qoriq-pcie-v2.2"
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff600000
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_P1020)
@@ -246,6 +255,7 @@
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
#define CONFIG_SYS_FSL_ERRATUM_ELBC_A001
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#ifndef CONFIG_USB_MAX_CONTROLLER_COUNT
#define CONFIG_USB_MAX_CONTROLLER_COUNT 2
@@ -264,6 +274,7 @@
#define QE_MURAM_SIZE 0x6000UL
#define MAX_QE_RISC 1
#define QE_NUM_OF_SNUM 28
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
@@ -278,6 +289,7 @@
#define CONFIG_SYS_FSL_ERRATUM_ELBC_A001
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
#define CONFIG_FSL_SATA_ERRATUM_A001
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_P1023)
@@ -293,6 +305,7 @@
#define CONFIG_SYS_FM_MURAM_SIZE 0x10000
#define CONFIG_SYS_FSL_PCIE_COMPAT "fsl,qoriq-pcie-v2.2"
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff600000
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#define CONFIG_SYS_FSL_ERRATUM_I2C_A004447
#define CONFIG_SYS_FSL_A004447_SVR_REV 0x11
@@ -309,6 +322,7 @@
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
#define CONFIG_SYS_FSL_ERRATUM_ELBC_A001
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
/* P1025 is lower end variant of P1021 */
@@ -326,6 +340,7 @@
#define QE_MURAM_SIZE 0x6000UL
#define MAX_QE_RISC 1
#define QE_NUM_OF_SNUM 28
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
/* P2010 is single core version of P2020 */
@@ -338,6 +353,7 @@
#define CONFIG_SYS_CCSRBAR_DEFAULT 0xff700000
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
#define CONFIG_SYS_FSL_ERRATUM_ESDHC_A001
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#elif defined(CONFIG_P2020)
@@ -353,8 +369,10 @@
#define CONFIG_SYS_FSL_SRIO_IB_WIN_NUM 5
#define CONFIG_SYS_FSL_RMU
#define CONFIG_SYS_FSL_SRIO_MSG_UNIT_NUM 2
+#define CONFIG_SYS_FSL_ERRATUM_A004508
#define CONFIG_SYS_FSL_ERRATUM_A005125
#define CONFIG_USB_MAX_CONTROLLER_COUNT 1
+
#elif defined(CONFIG_PPC_P2041) /* also supports P2040 */
#define CONFIG_SYS_FSL_QORIQ_CHASSIS1
#define CONFIG_FSL_CORENET /* Freescale CoreNet platform */
diff --git a/drivers/ddr/fsl/ctrl_regs.c b/drivers/ddr/fsl/ctrl_regs.c
index 78e82bb..dcf6287 100644
--- a/drivers/ddr/fsl/ctrl_regs.c
+++ b/drivers/ddr/fsl/ctrl_regs.c
@@ -2304,5 +2304,10 @@ compute_fsl_memctl_config_regs(const memctl_options_t *popts,
ddr->debug[2] = 0x00000400;
ddr->debug[4] = 0xff800000;
#endif
+#ifdef CONFIG_SYS_FSL_ERRATUM_A004508
+ if ((ip_rev >= 0x40000) && (ip_rev < 0x40400))
+ ddr->debug[2] |= 0x00000200; /* set bit 22 */
+#endif
+
return check_fsl_memctl_config_regs(ddr);
}
--
1.7.9.5
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