From: Zang Roy-R61911 <tie-fei.zang@freescale.com>
Date: Tue, 18 Sep 2012 09:50:08 +0000 (+0000)
Subject: P4080/esdhc: make the P4080 ESDHC13 errata workaround conditional
X-Git-Tag: v2013.01-rc1~90^2~45
X-Git-Url: https://git.librecmc.org/?a=commitdiff_plain;h=4e0be34a85b6bc9b8ae36feaf14440a347a2b22c;p=oweals%2Fu-boot.git

P4080/esdhc: make the P4080 ESDHC13 errata workaround conditional

P4080 Rev3.0 fixes ESDHC13 errata, so update the code to make the
workaround conditional.
In formal release document, the errata number should be ESDHC13 instead
of ESDHC136.

Signed-off-by: Roy Zang <tie-fei.zang@freescale.com>
Signed-off-by: Andy Fleming <afleming@freescale.com>
---

diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
index e8989bdf45..7e4cc03640 100644
--- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c
+++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c
@@ -79,8 +79,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135)
 	puts("Work-around for Erratum ESDHC135 enabled\n");
 #endif
-#if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC136)
-	puts("Work-around for Erratum ESDHC136 enabled\n");
+#if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC13)
+	if (SVR_MAJ(svr) < 3)
+		puts("Work-around for Erratum ESDHC13 enabled\n");
 #endif
 #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001)
 	puts("Work-around for Erratum ESDHC-A001 enabled\n");
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index afb56719da..ba558dedd7 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -497,11 +497,13 @@ skip_l2:
 	setup_mp();
 #endif
 
-#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC136
+#ifdef CONFIG_SYS_FSL_ERRATUM_ESDHC13
 	{
-		void *p;
-		p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
-		setbits_be32(p, 1 << (31 - 14));
+		if (SVR_MAJ(svr) < 3) {
+			void *p;
+			p = (void *)CONFIG_SYS_DCSRBAR + 0x20520;
+			setbits_be32(p, 1 << (31 - 14));
+		}
 	}
 #endif
 
diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h
index aa27741a92..39a3cdede0 100644
--- a/arch/powerpc/include/asm/config_mpc85xx.h
+++ b/arch/powerpc/include/asm/config_mpc85xx.h
@@ -389,7 +389,7 @@
 #define CONFIG_SYS_FSL_ERRATUM_ELBC_A001
 #define CONFIG_SYS_FSL_ERRATUM_ESDHC111
 #define CONFIG_SYS_FSL_ERRATUM_ESDHC135
-#define CONFIG_SYS_FSL_ERRATUM_ESDHC136
+#define CONFIG_SYS_FSL_ERRATUM_ESDHC13
 #define CONFIG_SYS_P4080_ERRATUM_CPU22
 #define CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
 #define CONFIG_SYS_P4080_ERRATUM_SERDES8