diff --git a/arch/powerpc/cpu/mpc85xx/Kconfig b/arch/powerpc/cpu/mpc85xx/Kconfig index bfa63e45da..38ea4c1440 100644 --- a/arch/powerpc/cpu/mpc85xx/Kconfig +++ b/arch/powerpc/cpu/mpc85xx/Kconfig @@ -390,6 +390,7 @@ config ARCH_B4860 select SYS_FSL_ERRATUM_A007075 select SYS_FSL_ERRATUM_A007186 select SYS_FSL_ERRATUM_A007212 + select SYS_FSL_ERRATUM_A007907 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_HAS_DDR3 select SYS_FSL_HAS_SEC @@ -855,6 +856,8 @@ config ARCH_T2080 select SYS_FSL_ERRATUM_A006593 select SYS_FSL_ERRATUM_A007186 select SYS_FSL_ERRATUM_A007212 + select SYS_FSL_ERRATUM_A007815 + select SYS_FSL_ERRATUM_A007907 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_ERRATUM_ESDHC111 select SYS_FSL_HAS_DDR3 @@ -916,6 +919,8 @@ config ARCH_T4240 select SYS_FSL_ERRATUM_A006593 select SYS_FSL_ERRATUM_A007186 select SYS_FSL_ERRATUM_A007798 + select SYS_FSL_ERRATUM_A007815 + select SYS_FSL_ERRATUM_A007907 select SYS_FSL_ERRATUM_A009942 select SYS_FSL_HAS_DDR3 select SYS_FSL_HAS_SEC @@ -1103,9 +1108,15 @@ config SYS_FSL_ERRATUM_A007186 config SYS_FSL_ERRATUM_A007212 bool +config SYS_FSL_ERRATUM_A007815 + bool + config SYS_FSL_ERRATUM_A007798 bool +config SYS_FSL_ERRATUM_A007907 + bool + config SYS_FSL_ERRATUM_A008044 bool diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index 54b5b33222..b8be59659e 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -330,6 +330,12 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #ifdef CONFIG_SYS_FSL_ERRATUM_A009663 puts("Work-around for Erratum A009663 enabled\n"); #endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A007907 + puts("Work-around for Erratum A007907 enabled\n"); +#endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A007815 + puts("Work-around for Erratum A007815 enabled\n"); +#endif return 0; } diff --git a/arch/powerpc/cpu/mpc85xx/cpu_init.c b/arch/powerpc/cpu/mpc85xx/cpu_init.c index 822844dfa9..f5bf67c990 100644 --- a/arch/powerpc/cpu/mpc85xx/cpu_init.c +++ b/arch/powerpc/cpu/mpc85xx/cpu_init.c @@ -777,6 +777,13 @@ int cpu_init_r(void) sync(); } #endif + +#ifdef CONFIG_SYS_FSL_ERRATUM_A007907 + flush_dcache(); + mtspr(L1CSR2, (mfspr(L1CSR2) & ~L1CSR2_DCSTASHID)); + sync(); +#endif + #ifdef CONFIG_SYS_FSL_ERRATUM_A005812 /* * A-005812 workaround sets bit 32 of SPR 976 for SoCs running diff --git a/arch/powerpc/include/asm/fsl_pci.h b/arch/powerpc/include/asm/fsl_pci.h index 8bee8ca998..cad341e72c 100644 --- a/arch/powerpc/include/asm/fsl_pci.h +++ b/arch/powerpc/include/asm/fsl_pci.h @@ -79,7 +79,9 @@ typedef struct ccsr_pci { u32 pme_msg_dis; /* 0x024 - PCIE PME & message disable register */ u32 pme_msg_int_en; /* 0x028 - PCIE PME & message interrupt enable register */ u32 pm_command; /* 0x02c - PCIE PM Command register */ - char res4[3016]; /* (- #xbf8 #x30)3016 */ + char res3[2188]; /* (0x8bc - 0x30 = 2188) */ + u32 dbi_ro_wr_en; /* 0x8bc - DBI read only write enable reg */ + char res4[824]; /* (0xbf8 - 0x8c0 = 824) */ u32 block_rev1; /* 0xbf8 - PCIE Block Revision register 1 */ u32 block_rev2; /* 0xbfc - PCIE Block Revision register 2 */ diff --git a/arch/powerpc/include/asm/processor.h b/arch/powerpc/include/asm/processor.h index fbf72bb7c6..81bae6f008 100644 --- a/arch/powerpc/include/asm/processor.h +++ b/arch/powerpc/include/asm/processor.h @@ -501,6 +501,7 @@ #define L1CSR1_ICE 0x00000001 /* Instruction Cache Enable */ #define SPRN_L1CSR2 0x25e /* L1 Data Cache Control and Status Register 2 */ #define L1CSR2_DCWS 0x40000000 /* Data Cache Write Shadow */ +#define L1CSR2_DCSTASHID 0x000003ff /* Data Cache Stash ID */ #define SPRN_L2CSR0 0x3f9 /* L2 Data Cache Control and Status Register 0 */ #define L2CSR0_L2E 0x80000000 /* L2 Cache Enable */ #define L2CSR0_L2PE 0x40000000 /* L2 Cache Parity/ECC Enable */ diff --git a/arch/powerpc/lib/ppccache.S b/arch/powerpc/lib/ppccache.S index 66cf02dbd0..ad28c7c369 100644 --- a/arch/powerpc/lib/ppccache.S +++ b/arch/powerpc/lib/ppccache.S @@ -65,7 +65,7 @@ ppcSync: * flush_dcache_range(unsigned long start, unsigned long stop) */ _GLOBAL(flush_dcache_range) -#if defined(CONFIG_4xx) || defined(CONFIG_MPC86xx) +#if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) li r5,L1_CACHE_BYTES-1 andc r3,r3,r5 subf r4,r3,r4 @@ -89,7 +89,7 @@ _GLOBAL(flush_dcache_range) * invalidate_dcache_range(unsigned long start, unsigned long stop) */ _GLOBAL(invalidate_dcache_range) -#if defined(CONFIG_4xx) || defined(CONFIG_MPC86xx) +#if defined(CONFIG_4xx) || defined(CONFIG_MPC85xx) || defined(CONFIG_MPC86xx) li r5,L1_CACHE_BYTES-1 andc r3,r3,r5 subf r4,r3,r4 diff --git a/drivers/pci/fsl_pci_init.c b/drivers/pci/fsl_pci_init.c index 52792dcd59..af20cf0f3e 100644 --- a/drivers/pci/fsl_pci_init.c +++ b/drivers/pci/fsl_pci_init.c @@ -543,6 +543,13 @@ void fsl_pci_init(struct pci_controller *hose, struct fsl_pci_info *pci_info) pciauto_prescan_setup_bridge(hose, dev, hose->current_busno); } +#ifdef CONFIG_SYS_FSL_ERRATUM_A007815 + /* The Read-Only Write Enable bit defaults to 1 instead of 0. + * Set to 0 to protect the read-only registers. + */ + clrbits_be32(&pci->dbi_ro_wr_en, 0x01); +#endif + /* Use generic setup_device to initialize standard pci regs, * but do not allocate any windows since any BAR found (such * as PCSRBAR) is not in this cpu's memory space.