[U-Boot] [PATCH V5 10/11] ARM: OMAP3: Enable workaround for ARM errata 454179, 430973, 621766
Nishanth Menon
nm at ti.com
Fri Mar 6 05:41:05 CET 2015
Enable the OMAP3 specific errata code for 454179, 430973, 621766
and while at it, remove legacy non-revision checked errata logic.
Signed-off-by: Nishanth Menon <nm at ti.com>
---
arch/arm/cpu/armv7/omap3/board.c | 31 ++++++++++---------------------
include/configs/am3517_crane.h | 4 ++++
include/configs/am3517_evm.h | 4 ++++
include/configs/cm_t35.h | 4 ++++
include/configs/cm_t3517.h | 4 ++++
include/configs/dig297.h | 4 ++++
include/configs/mcx.h | 4 ++++
include/configs/omap3_evm_common.h | 4 ++++
include/configs/omap3_logic.h | 4 ++++
include/configs/omap3_mvblx.h | 4 ++++
include/configs/omap3_pandora.h | 4 ++++
include/configs/omap3_sdp3430.h | 4 ++++
include/configs/tam3517-common.h | 4 ++++
include/configs/tao3530.h | 4 ++++
include/configs/ti_omap3_common.h | 5 +++++
include/configs/tricorder.h | 4 ++++
16 files changed, 71 insertions(+), 21 deletions(-)
diff --git a/arch/arm/cpu/armv7/omap3/board.c b/arch/arm/cpu/armv7/omap3/board.c
index ba30ab78e007..1daac9b0c36c 100644
--- a/arch/arm/cpu/armv7/omap3/board.c
+++ b/arch/arm/cpu/armv7/omap3/board.c
@@ -35,7 +35,6 @@ DECLARE_GLOBAL_DATA_PTR;
/* Declarations */
extern omap3_sysinfo sysinfo;
-static void omap3_setup_aux_cr(void);
#ifndef CONFIG_SYS_L2CACHE_OFF
static void omap3_invalidate_l2_cache_secure(void);
#endif
@@ -244,9 +243,6 @@ void s_init(void)
try_unlock_memory();
- /* Errata workarounds */
- omap3_setup_aux_cr();
-
#ifndef CONFIG_SYS_L2CACHE_OFF
/* Invalidate L2-cache from secure mode */
omap3_invalidate_l2_cache_secure();
@@ -410,15 +406,9 @@ static void omap3_emu_romcode_call(u32 service_id, u32 *parameters)
do_omap3_emu_romcode_call(service_id, OMAP3_PUBLIC_SRAM_SCRATCH_AREA);
}
-static void omap3_update_aux_cr_secure(u32 set_bits, u32 clear_bits)
+void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb,
+ u32 cpu_variant, u32 cpu_rev)
{
- u32 acr;
-
- /* Read ACR */
- asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
- acr &= ~clear_bits;
- acr |= set_bits;
-
if (get_device_type() == GP_DEVICE) {
omap_smc1(OMAP3_GP_ROMCODE_API_WRITE_ACR, acr);
} else {
@@ -430,16 +420,15 @@ static void omap3_update_aux_cr_secure(u32 set_bits, u32 clear_bits)
}
}
-static void omap3_setup_aux_cr(void)
+static void omap3_update_aux_cr_secure(u32 set_bits, u32 clear_bits)
{
- /* Workaround for Cortex-A8 errata: #454179 #430973
- * Set "IBE" bit
- * Set "Disable Branch Size Mispredicts" bit
- * Workaround for erratum #621766
- * Enable L1NEON bit
- * ACR |= (IBE | DBSM | L1NEON) => ACR |= 0xE0
- */
- omap3_update_aux_cr_secure(0xE0, 0);
+ u32 acr;
+
+ /* Read ACR */
+ asm volatile ("mrc p15, 0, %0, c1, c0, 1" : "=r" (acr));
+ acr &= ~clear_bits;
+ acr |= set_bits;
+ v7_arch_cp15_set_acr(acr, 0, 0, 0, 0);
}
#ifndef CONFIG_SYS_L2CACHE_OFF
diff --git a/include/configs/am3517_crane.h b/include/configs/am3517_crane.h
index 87c850e05df1..c3c9169d0555 100644
--- a/include/configs/am3517_crane.h
+++ b/include/configs/am3517_crane.h
@@ -19,6 +19,10 @@
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP3_AM3517CRANE 1 /* working with CRANEBOARD */
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_EMIF4 /* The chip has EMIF4 controller */
diff --git a/include/configs/am3517_evm.h b/include/configs/am3517_evm.h
index c4e19e79b95a..31e758d81bdd 100644
--- a/include/configs/am3517_evm.h
+++ b/include/configs/am3517_evm.h
@@ -19,6 +19,10 @@
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP3_AM3517EVM 1 /* working with AM3517EVM */
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_EMIF4 /* The chip has EMIF4 controller */
diff --git a/include/configs/cm_t35.h b/include/configs/cm_t35.h
index e2d5bbb0955d..3eb7886eb69e 100644
--- a/include/configs/cm_t35.h
+++ b/include/configs/cm_t35.h
@@ -26,6 +26,10 @@
#define CONFIG_CM_T3X /* working with CM-T35 and CM-T3730 */
#define CONFIG_OMAP_COMMON
#define CONFIG_SYS_GENERIC_BOARD
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SDRC /* The chip has SDRC controller */
diff --git a/include/configs/cm_t3517.h b/include/configs/cm_t3517.h
index ee1b7a0cb5a7..8c6313832250 100644
--- a/include/configs/cm_t3517.h
+++ b/include/configs/cm_t3517.h
@@ -17,6 +17,10 @@
#define CONFIG_CM_T3517 /* working with CM-T3517 */
#define CONFIG_OMAP_COMMON
#define CONFIG_SYS_GENERIC_BOARD
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SYS_TEXT_BASE 0x80008000
diff --git a/include/configs/dig297.h b/include/configs/dig297.h
index 8791199fc61d..932640112b3a 100644
--- a/include/configs/dig297.h
+++ b/include/configs/dig297.h
@@ -23,6 +23,10 @@
#define MACH_TYPE_OMAP3_CPS 2751
#endif
#define CONFIG_MACH_TYPE MACH_TYPE_OMAP3_CPS
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
/*
* High Level Configuration Options
diff --git a/include/configs/mcx.h b/include/configs/mcx.h
index 2cf66c40d6fe..3fd31842451d 100644
--- a/include/configs/mcx.h
+++ b/include/configs/mcx.h
@@ -16,6 +16,10 @@
#define CONFIG_OMAP3_MCX /* working with mcx */
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define MACH_TYPE_MCX 3656
#define CONFIG_MACH_TYPE MACH_TYPE_MCX
diff --git a/include/configs/omap3_evm_common.h b/include/configs/omap3_evm_common.h
index e7df15400d37..370f21e3ee6d 100644
--- a/include/configs/omap3_evm_common.h
+++ b/include/configs/omap3_evm_common.h
@@ -15,6 +15,10 @@
#define CONFIG_OMAP /* This is TI OMAP core */
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SDRC /* The chip has SDRC controller */
diff --git a/include/configs/omap3_logic.h b/include/configs/omap3_logic.h
index fcef46735835..13cd35b16a03 100644
--- a/include/configs/omap3_logic.h
+++ b/include/configs/omap3_logic.h
@@ -18,6 +18,10 @@
#define CONFIG_OMAP3_LOGIC /* working with Logic OMAP boards */
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SYS_TEXT_BASE 0x80400000
diff --git a/include/configs/omap3_mvblx.h b/include/configs/omap3_mvblx.h
index 20ec3ad15439..b61297f9ee94 100644
--- a/include/configs/omap3_mvblx.h
+++ b/include/configs/omap3_mvblx.h
@@ -23,6 +23,10 @@
#define CONFIG_MACH_TYPE MACH_TYPE_MVBLX
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SDRC /* The chip has SDRC controller */
diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h
index b92d67abccf9..11d7b86eb10d 100644
--- a/include/configs/omap3_pandora.h
+++ b/include/configs/omap3_pandora.h
@@ -17,6 +17,10 @@
#define CONFIG_OMAP3_PANDORA 1 /* working with pandora */
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SDRC /* The chip has SDRC controller */
diff --git a/include/configs/omap3_sdp3430.h b/include/configs/omap3_sdp3430.h
index bf5c7a8faf77..1ca79d4ee4dd 100644
--- a/include/configs/omap3_sdp3430.h
+++ b/include/configs/omap3_sdp3430.h
@@ -23,6 +23,10 @@
#define CONFIG_OMAP 1 /* in a TI OMAP core */
#define CONFIG_OMAP3_3430SDP 1 /* working with SDP Rev2 */
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SDRC /* The chip has SDRC controller */
diff --git a/include/configs/tam3517-common.h b/include/configs/tam3517-common.h
index dea4044d9fbb..2d12e86566cd 100644
--- a/include/configs/tam3517-common.h
+++ b/include/configs/tam3517-common.h
@@ -17,6 +17,10 @@
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
#define CONFIG_SYS_GENERIC_BOARD
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_SYS_TEXT_BASE 0x80008000
diff --git a/include/configs/tao3530.h b/include/configs/tao3530.h
index f3e0088d5a00..49ed79ffbc0b 100644
--- a/include/configs/tao3530.h
+++ b/include/configs/tao3530.h
@@ -21,6 +21,10 @@
#define CONFIG_OMAP_GPIO
#define CONFIG_OMAP_COMMON
#define CONFIG_SYS_GENERIC_BOARD
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define MACH_TYPE_OMAP3_TAO3530 2836
diff --git a/include/configs/ti_omap3_common.h b/include/configs/ti_omap3_common.h
index 4b4f10410543..429b109afa23 100644
--- a/include/configs/ti_omap3_common.h
+++ b/include/configs/ti_omap3_common.h
@@ -22,6 +22,11 @@
# define CONFIG_OMAP_SERIAL
#endif
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
+
/* The chip has SDRC controller */
#define CONFIG_SDRC
diff --git a/include/configs/tricorder.h b/include/configs/tricorder.h
index b105ffd9f18b..7426bde8a0c2 100644
--- a/include/configs/tricorder.h
+++ b/include/configs/tricorder.h
@@ -19,6 +19,10 @@
/* High Level Configuration Options */
#define CONFIG_OMAP /* in a TI OMAP core */
#define CONFIG_OMAP_COMMON
+/* Common ARM Erratas */
+#define CONFIG_ARM_ERRATA_454179
+#define CONFIG_ARM_ERRATA_430973
+#define CONFIG_ARM_ERRATA_621766
#define CONFIG_MACH_TYPE MACH_TYPE_TRICORDER
/*
--
1.7.9.5
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