diff options
| -rw-r--r-- | README | 4 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/cpu_init.c | 27 | ||||
| -rw-r--r-- | arch/powerpc/cpu/mpc85xx/start.S | 3 | ||||
| -rw-r--r-- | arch/powerpc/include/asm/fsl_secure_boot.h | 6 | ||||
| -rw-r--r-- | boards.cfg | 1 |
5 files changed, 35 insertions, 6 deletions
@@ -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 @@ -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 - |