summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
-rw-r--r--README4
-rw-r--r--arch/powerpc/cpu/mpc85xx/cpu_init.c27
-rw-r--r--arch/powerpc/cpu/mpc85xx/start.S3
-rw-r--r--arch/powerpc/include/asm/fsl_secure_boot.h6
-rw-r--r--boards.cfg1
5 files changed, 35 insertions, 6 deletions
diff --git a/README b/README
index 52a92e7..4715cfb 100644
--- a/README
+++ b/README
@@ -427,6 +427,10 @@ The following options need to be configured:
In this mode, a single differential clock is used to supply
clocks to the sysclock, ddrclock and usbclock.
+ CONFIG_SYS_CPC_REINIT_F
+ This CONFIG is defined when the CPC is configured as SRAM at the
+ time of U-boot entry and is required to be re-initialized.
+
- Generic CPU options:
CONFIG_SYS_BIG_ENDIAN, CONFIG_SYS_LITTLE_ENDIAN
diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c
index 18366a7..19df95f 100644
--- a/arch/powerpc/cpu/mpc85xx/cpu_init.c
+++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c
@@ -173,17 +173,14 @@ void config_8560_ioports (volatile ccsr_cpm_t * cpm)
#endif
#ifdef CONFIG_SYS_FSL_CPC
-static void enable_cpc(void)
+#if defined(CONFIG_RAMBOOT_PBL) || defined(CONFIG_SYS_CPC_REINIT_F)
+static void disable_cpc_sram(void)
{
int i;
- u32 size = 0;
cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
- u32 cpccfg0 = in_be32(&cpc->cpccfg0);
- size += CPC_CFG0_SZ_K(cpccfg0);
-#ifdef CONFIG_RAMBOOT_PBL
if (in_be32(&cpc->cpcsrcr0) & CPC_SRCR0_SRAMEN) {
/* find and disable LAW of SRAM */
struct law_entry law = find_law(CONFIG_SYS_INIT_L3_ADDR);
@@ -198,8 +195,21 @@ static void enable_cpc(void)
out_be32(&cpc->cpccsr0, 0);
out_be32(&cpc->cpcsrcr0, 0);
}
+ }
+}
#endif
+static void enable_cpc(void)
+{
+ int i;
+ u32 size = 0;
+
+ cpc_corenet_t *cpc = (cpc_corenet_t *)CONFIG_SYS_FSL_CPC_ADDR;
+
+ for (i = 0; i < CONFIG_SYS_NUM_CPC; i++, cpc++) {
+ u32 cpccfg0 = in_be32(&cpc->cpccfg0);
+ size += CPC_CFG0_SZ_K(cpccfg0);
+
#ifdef CONFIG_SYS_FSL_ERRATUM_CPC_A002
setbits_be32(&cpc->cpchdbcr0, CPC_HDBCR0_TAG_ECC_SCRUB_DIS);
#endif
@@ -298,6 +308,10 @@ void cpu_init_f (void)
law = find_law(CONFIG_SYS_PBI_FLASH_BASE);
if (law.index != -1)
disable_law(law.index);
+
+#if defined(CONFIG_SYS_CPC_REINIT_F)
+ disable_cpc_sram();
+#endif
#endif
#ifdef CONFIG_CPM2
@@ -598,6 +612,9 @@ skip_l2:
puts("disabled\n");
#endif
+#if defined(CONFIG_RAMBOOT_PBL)
+ disable_cpc_sram();
+#endif
enable_cpc();
#ifndef CONFIG_SYS_FSL_NO_SERDES
diff --git a/arch/powerpc/cpu/mpc85xx/start.S b/arch/powerpc/cpu/mpc85xx/start.S
index 9eee549..9a7881f 100644
--- a/arch/powerpc/cpu/mpc85xx/start.S
+++ b/arch/powerpc/cpu/mpc85xx/start.S
@@ -122,7 +122,8 @@ _start_e500:
#endif
-#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC)
+#if defined(CONFIG_SECURE_BOOT) && defined(CONFIG_E500MC) && \
+ !defined(CONFIG_E6500)
/* ISBC uses L2 as stack.
* Disable L2 cache here so that u-boot can enable it later
* as part of it's normal flow
diff --git a/arch/powerpc/include/asm/fsl_secure_boot.h b/arch/powerpc/include/asm/fsl_secure_boot.h
index 3dce1d2..c705d5a 100644
--- a/arch/powerpc/include/asm/fsl_secure_boot.h
+++ b/arch/powerpc/include/asm/fsl_secure_boot.h
@@ -17,5 +17,11 @@
#endif
#define CONFIG_SYS_PBI_FLASH_WINDOW 0xcff80000
+#if defined(CONFIG_B4860QDS)
+#define CONFIG_SYS_CPC_REINIT_F
+#undef CONFIG_SYS_INIT_L3_ADDR
+#define CONFIG_SYS_INIT_L3_ADDR 0xbff00000
+#endif
+
#endif
#endif
diff --git a/boards.cfg b/boards.cfg
index 4c9a1a4..af7794d 100644
--- a/boards.cfg
+++ b/boards.cfg
@@ -744,6 +744,7 @@ Active powerpc mpc85xx - freescale b4860qds
Active powerpc mpc85xx - freescale b4860qds B4420QDS_NAND B4860QDS:PPC_B4420,RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000 -
Active powerpc mpc85xx - freescale b4860qds B4420QDS_SPIFLASH B4860QDS:PPC_B4420,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF40000 -
Active powerpc mpc85xx - freescale b4860qds B4860QDS B4860QDS:PPC_B4860 -
+Active powerpc mpc85xx - freescale b4860qds B4860QDS_SECURE_BOOT B4860QDS:PPC_B4860,SECURE_BOOT Aneesh Bansal <aneesh.bansal@freescale.com>
Active powerpc mpc85xx - freescale b4860qds B4860QDS_NAND B4860QDS:PPC_B4860,RAMBOOT_PBL,NAND,SYS_TEXT_BASE=0xFFF40000 -
Active powerpc mpc85xx - freescale b4860qds B4860QDS_SPIFLASH B4860QDS:PPC_B4860,RAMBOOT_PBL,SPIFLASH,SYS_TEXT_BASE=0xFFF40000 -
Active powerpc mpc85xx - freescale b4860qds B4860QDS_SRIO_PCIE_BOOT B4860QDS:PPC_B4860,SRIO_PCIE_BOOT_SLAVE,SYS_TEXT_BASE=0xFFF40000 -