[U-Boot] [PATCH 1/5] powerpc/mpc85xx:No NOR boot, do not compile IFC errata A003399

Prabhakar Kushwaha prabhakar at freescale.com
Thu Mar 21 05:36:50 CET 2013


IFC errata A003399 is valid for IFC NOR boot i.e.if no on-board NOR flash or
no NOR boot, do not compile its workaround.

Signed-off-by: Prabhakar Kushwaha <prabhakar at freescale.com>
---
 Based upon git://git.denx.de/u-boot.git branch master

 arch/powerpc/cpu/mpc85xx/cpu_init_early.c |   12 +++++++++---
 arch/powerpc/cpu/mpc8xxx/fsl_ifc.c        |    7 ++++++-
 2 files changed, 15 insertions(+), 4 deletions(-)

diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
index dacfdd1..2adb906 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init_early.c
@@ -25,7 +25,11 @@
 
 DECLARE_GLOBAL_DATA_PTR;
 
-#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)
+#if !defined(CONFIG_SPL) && !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SECURE_BOOT)
+#define NOR_BOOT
+#endif
+
+#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && defined(NOR_BOOT)
 void setup_ifc(void)
 {
 	struct fsl_ifc *ifc_regs = (void *)CONFIG_SYS_IFC_ADDR;
@@ -99,7 +103,8 @@ void cpu_init_early_f(void)
 #ifdef CONFIG_SYS_FSL_ERRATUM_P1010_A003549
 	ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
 #endif
-#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)\
+	&& defined(NOR_BOOT) && !defined(CONFIG_SYS_NO_FLASH)
 	ccsr_l2cache_t *l2cache = (void *)CONFIG_SYS_MPC85xx_L2_ADDR;
 	u32  *dst, *src;
 	void (*setup_ifc_sram)(void);
@@ -138,7 +143,8 @@ void cpu_init_early_f(void)
  * Work Around for IFC Erratum A003399, issue will hit only when execution
  * from NOR Flash
  */
-#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)
+#if defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) && !defined(CONFIG_SYS_RAMBOOT)\
+	&& defined(NOR_BOOT) && !defined(CONFIG_SYS_NO_FLASH)
 #define SRAM_BASE_ADDR	(0x00000000)
 	/* TLB for SRAM */
 	mas0 = MAS0_TLBSEL(1) | MAS0_ESEL(9);
diff --git a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c
index 56b319f..c6d4b65 100644
--- a/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c
+++ b/arch/powerpc/cpu/mpc8xxx/fsl_ifc.c
@@ -35,6 +35,10 @@ void print_ifc_regs(void)
 	}
 }
 
+#if !defined(CONFIG_SPL) && !defined(CONFIG_SYS_RAMBOOT) && !defined(CONFIG_SECURE_BOOT)
+#define NOR_BOOT
+#endif
+
 void init_early_memctl_regs(void)
 {
 #if defined(CONFIG_SYS_CSPR0) && defined(CONFIG_SYS_CSOR0)
@@ -43,7 +47,8 @@ void init_early_memctl_regs(void)
 	set_ifc_ftim(IFC_CS0, IFC_FTIM2, CONFIG_SYS_CS0_FTIM2);
 	set_ifc_ftim(IFC_CS0, IFC_FTIM3, CONFIG_SYS_CS0_FTIM3);
 
-#if !defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) || defined(CONFIG_SYS_RAMBOOT)
+#if !defined(CONFIG_SYS_FSL_ERRATUM_IFC_A003399) || defined(CONFIG_SYS_RAMBOOT)\
+	|| !defined(NOR_BOOT) || !defined(CONFIG_SPL_BUILD)
 #ifdef CONFIG_SYS_CSPR0_EXT
 	set_ifc_cspr_ext(IFC_CS0, CONFIG_SYS_CSPR0_EXT);
 #endif
-- 
1.7.9.5





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