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powerpc/mpc85xx: Workaround for erratum CPU_A011

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Erratum NMG_CPU_A011 applies to P4080 rev 1.0, 2.0, fixed in rev 3.0.
It also applies to P3041 rev 1.0, 1.1, P2041 rev 1.0, 1.1. It shares the
same workaround as erratum CPU22. Rearrange registers usage in assembly
code to avoid accidental overwriting.

Signed-off-by: York Sun <yorksun@freescale.com>
This commit is contained in:
York Sun
2012-05-07 07:26:47 +00:00
committed by Andy Fleming
parent 48f6a5c348
commit 5e23ab0a31
4 changed files with 40 additions and 11 deletions
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3
arch/powerpc/include/asm/config_mpc85xx.h
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@@ -349,6 +349,7 @@
#define CONFIG_SYS_FSL_USB2_PHY_ENABLE
#define CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
#define CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
#define CONFIG_SYS_FSL_ERRATUM_CPU_A003999
#define CONFIG_SYS_FSL_ERRATUM_DDR_A003474
#define CONFIG_SYS_FSL_SRIO_MAX_PORTS 2
@@ -373,6 +374,7 @@
#define CONFIG_SYS_FSL_USB2_PHY_ENABLE
#define CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY
#define CONFIG_SYS_FSL_ERRATUM_ESDHC111
#define CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
#define CONFIG_SYS_FSL_ERRATUM_CPU_A003999
#define CONFIG_SYS_FSL_ERRATUM_DDR_A003474
#define CONFIG_SYS_FSL_SRIO_MAX_PORTS 2
@@ -460,6 +462,7 @@
#define CONFIG_SYS_FSL_ERRATUM_ESDHC135
#define CONFIG_SYS_FSL_ERRATUM_ESDHC136
#define CONFIG_SYS_P4080_ERRATUM_CPU22
#define CONFIG_SYS_FSL_ERRATUM_NMG_CPU_A011
#define CONFIG_SYS_P4080_ERRATUM_SERDES8
#define CONFIG_SYS_P4080_ERRATUM_SERDES9
#define CONFIG_SYS_P4080_ERRATUM_SERDES_A001