From 4e0be34a85b6bc9b8ae36feaf14440a347a2b22c Mon Sep 17 00:00:00 2001 From: Zang Roy-R61911 Date: Tue, 18 Sep 2012 09:50:08 +0000 Subject: P4080/esdhc: make the P4080 ESDHC13 errata workaround conditional P4080 Rev3.0 fixes ESDHC13 errata, so update the code to make the workaround conditional. In formal release document, the errata number should be ESDHC13 instead of ESDHC136. Signed-off-by: Roy Zang Signed-off-by: Andy Fleming --- arch/powerpc/cpu/mpc85xx/cmd_errata.c | 5 +++-- 1 file changed, 3 insertions(+), 2 deletions(-) (limited to 'arch/powerpc/cpu/mpc85xx/cmd_errata.c') diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index e8989bdf4..7e4cc0364 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -79,8 +79,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135) puts("Work-around for Erratum ESDHC135 enabled\n"); #endif -#if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC136) - puts("Work-around for Erratum ESDHC136 enabled\n"); +#if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC13) + if (SVR_MAJ(svr) < 3) + puts("Work-around for Erratum ESDHC13 enabled\n"); #endif #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC_A001) puts("Work-around for Erratum ESDHC-A001 enabled\n"); -- cgit v1.2.3-70-g09d2 From d59c5570495a2721f4361275df668193e5f411f9 Mon Sep 17 00:00:00 2001 From: Liu Gang Date: Fri, 28 Sep 2012 21:26:19 +0000 Subject: powerpc/srio: Workaround for srio erratrm a004034 Erratum: A-004034 Affects: SRIO Description: During port initialization, the SRIO port performs lane synchronization (detecting valid symbols on a lane) and lane alignment (coordinating multiple lanes to receive valid data across lanes). Internal errors in lane synchronization and lane alignment may cause failure to achieve link initialization at the configured port width. An SRIO port configured as a 4x port may see one of these scenarios: 1. One or more lanes fails to achieve lane synchronization. Depending on which lanes fail, this may result in downtraining from 4x to 1x on lane 0, 4x to 1x on lane R (redundant lane). 2. The link may fail to achieve lane alignment as a 4x, even though all 4 lanes achieve lane synchronization, and downtrain to a 1x. An SRIO port configured as a 1x port may fail to complete port initialization (PnESCSR[PU] never deasserts) because of scenario 1. Impact: SRIO port may downtrain to 1x, or may fail to complete link initialization. Once a port completes link initialization successfully, it will operate normally. Signed-off-by: Liu Gang Signed-off-by: Andy Fleming --- arch/powerpc/cpu/mpc85xx/cmd_errata.c | 3 + arch/powerpc/cpu/mpc8xxx/srio.c | 191 ++++++++++++++++++++++++++++++ arch/powerpc/include/asm/config_mpc85xx.h | 4 + 3 files changed, 198 insertions(+) (limited to 'arch/powerpc/cpu/mpc85xx/cmd_errata.c') diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index 7e4cc0364..bc7e5e36e 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -127,6 +127,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A004510 puts("Work-around for Erratum A004510 enabled\n"); +#endif +#ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 + puts("Work-around for Erratum SRIO-A004034 enabled\n"); #endif return 0; } diff --git a/arch/powerpc/cpu/mpc8xxx/srio.c b/arch/powerpc/cpu/mpc8xxx/srio.c index 0cb65b32e..e7ff59a1c 100644 --- a/arch/powerpc/cpu/mpc8xxx/srio.c +++ b/arch/powerpc/cpu/mpc8xxx/srio.c @@ -22,6 +22,7 @@ #include #include #include +#include #define SRIO_PORT_ACCEPT_ALL 0x10000001 #define SRIO_IB_ATMU_AR 0x80f55000 @@ -52,6 +53,185 @@ #error "No defines for DEVDISR_SRIO" #endif +#ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 +/* + * Erratum A-004034 + * Affects: SRIO + * Description: During port initialization, the SRIO port performs + * lane synchronization (detecting valid symbols on a lane) and + * lane alignment (coordinating multiple lanes to receive valid data + * across lanes). Internal errors in lane synchronization and lane + * alignment may cause failure to achieve link initialization at + * the configured port width. + * An SRIO port configured as a 4x port may see one of these scenarios: + * 1. One or more lanes fails to achieve lane synchronization. Depending + * on which lanes fail, this may result in downtraining from 4x to 1x + * on lane 0, 4x to 1x on lane R (redundant lane). + * 2. The link may fail to achieve lane alignment as a 4x, even though + * all 4 lanes achieve lane synchronization, and downtrain to a 1x. + * An SRIO port configured as a 1x port may fail to complete port + * initialization (PnESCSR[PU] never deasserts) because of scenario 1. + * Impact: SRIO port may downtrain to 1x, or may fail to complete + * link initialization. Once a port completes link initialization + * successfully, it will operate normally. + */ +static int srio_erratum_a004034(u8 port) +{ + serdes_corenet_t *srds_regs; + u32 conf_lane; + u32 init_lane; + int idx, first, last; + u32 i; + unsigned long long end_tick; + struct ccsr_rio *srio_regs = (void *)CONFIG_SYS_FSL_SRIO_ADDR; + + srds_regs = (void *)(CONFIG_SYS_FSL_CORENET_SERDES_ADDR); + conf_lane = (in_be32((void *)&srds_regs->srdspccr0) + >> (12 - port * 4)) & 0x3; + init_lane = (in_be32((void *)&srio_regs->lp_serial + .port[port].pccsr) >> 27) & 0x7; + + /* + * Start a counter set to ~2 ms after the SERDES reset is + * complete (SERDES SRDSBnRSTCTL[RST_DONE]=1 for n + * corresponding to the SERDES bank/PLL for the SRIO port). + */ + if (in_be32((void *)&srds_regs->bank[0].rstctl) + & SRDS_RSTCTL_RSTDONE) { + /* + * Poll the port uninitialized status (SRIO PnESCSR[PO]) until + * PO=1 or the counter expires. If the counter expires, the + * port has failed initialization: go to recover steps. If PO=1 + * and the desired port width is 1x, go to normal steps. If + * PO = 1 and the desired port width is 4x, go to recover steps. + */ + end_tick = usec2ticks(2000) + get_ticks(); + do { + if (in_be32((void *)&srio_regs->lp_serial + .port[port].pescsr) & 0x2) { + if (conf_lane == 0x1) + goto host_ok; + else { + if (init_lane == 0x2) + goto host_ok; + else + break; + } + } + } while (end_tick > get_ticks()); + + /* recover at most 3 times */ + for (i = 0; i < 3; i++) { + /* Set SRIO PnCCSR[PD]=1 */ + setbits_be32((void *)&srio_regs->lp_serial + .port[port].pccsr, + 0x800000); + /* + * Set SRIO PnPCR[OBDEN] on the host to + * enable the discarding of any pending packets. + */ + setbits_be32((void *)&srio_regs->impl.port[port].pcr, + 0x04); + /* Wait 50 us */ + udelay(50); + /* Run sync command */ + isync(); + + if (port) + first = serdes_get_first_lane(SRIO2); + else + first = serdes_get_first_lane(SRIO1); + if (unlikely(first < 0)) + return -ENODEV; + if (conf_lane == 0x1) + last = first; + else + last = first + 3; + /* + * Set SERDES BnGCRm0[RRST]=0 for each SRIO + * bank n and lane m. + */ + for (idx = first; idx <= last; idx++) + clrbits_be32(&srds_regs->lane[idx].gcr0, + SRDS_GCR0_RRST); + /* + * Read SERDES BnGCRm0 for each SRIO + * bank n and lane m + */ + for (idx = first; idx <= last; idx++) + in_be32(&srds_regs->lane[idx].gcr0); + /* Run sync command */ + isync(); + /* Wait >= 100 ns */ + udelay(1); + /* + * Set SERDES BnGCRm0[RRST]=1 for each SRIO + * bank n and lane m. + */ + for (idx = first; idx <= last; idx++) + setbits_be32(&srds_regs->lane[idx].gcr0, + SRDS_GCR0_RRST); + /* + * Read SERDES BnGCRm0 for each SRIO + * bank n and lane m + */ + for (idx = first; idx <= last; idx++) + in_be32(&srds_regs->lane[idx].gcr0); + /* Run sync command */ + isync(); + /* Wait >= 300 ns */ + udelay(1); + + /* Write 1 to clear all bits in SRIO PnSLCSR */ + out_be32((void *)&srio_regs->impl.port[port].slcsr, + 0xffffffff); + /* Clear SRIO PnPCR[OBDEN] on the host */ + clrbits_be32((void *)&srio_regs->impl.port[port].pcr, + 0x04); + /* Set SRIO PnCCSR[PD]=0 */ + clrbits_be32((void *)&srio_regs->lp_serial + .port[port].pccsr, + 0x800000); + /* Wait >= 24 ms */ + udelay(24000); + /* Poll the state of the port again */ + init_lane = + (in_be32((void *)&srio_regs->lp_serial + .port[port].pccsr) >> 27) & 0x7; + if (in_be32((void *)&srio_regs->lp_serial + .port[port].pescsr) & 0x2) { + if (conf_lane == 0x1) + goto host_ok; + else { + if (init_lane == 0x2) + goto host_ok; + } + } + if (i == 2) + return -ENODEV; + } + } else + return -ENODEV; + +host_ok: + /* Poll PnESCSR[OES] on the host until it is clear */ + end_tick = usec2ticks(1000000) + get_ticks(); + do { + if (!(in_be32((void *)&srio_regs->lp_serial.port[port].pescsr) + & 0x10000)) { + out_be32(((void *)&srio_regs->lp_serial + .port[port].pescsr), 0xffffffff); + out_be32(((void *)&srio_regs->phys_err + .port[port].edcsr), 0); + out_be32(((void *)&srio_regs->logical_err.ltledcsr), 0); + return 0; + } + } while (end_tick > get_ticks()); + + return -ENODEV; +} +#endif + void srio_init(void) { ccsr_gur_t *gur = (void *)CONFIG_SYS_MPC8xxx_GUTS_ADDR; @@ -62,6 +242,11 @@ void srio_init(void) law_size_bits(CONFIG_SYS_SRIO1_MEM_SIZE), LAW_TRGT_IF_RIO_1); srio1_used = 1; +#ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 + if (srio_erratum_a004034(0) < 0) + printf("SRIO1: enabled but port error\n"); + else +#endif printf("SRIO1: enabled\n"); } else { printf("SRIO1: disabled\n"); @@ -73,7 +258,13 @@ void srio_init(void) law_size_bits(CONFIG_SYS_SRIO2_MEM_SIZE), LAW_TRGT_IF_RIO_2); srio2_used = 1; +#ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 + if (srio_erratum_a004034(1) < 0) + printf("SRIO2: enabled but port error\n"); + else +#endif printf("SRIO2: enabled\n"); + } else { printf("SRIO2: disabled\n"); } diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h index 39a3cdede..0013ba85e 100644 --- a/arch/powerpc/include/asm/config_mpc85xx.h +++ b/arch/powerpc/include/asm/config_mpc85xx.h @@ -338,6 +338,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV 0x10 #define CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV2 0x11 #define CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY 0xf0000000 +#define CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 #elif defined(CONFIG_PPC_P3041) #define CONFIG_MAX_CPUS 4 @@ -367,6 +368,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV 0x10 #define CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV2 0x11 #define CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY 0xf0000000 +#define CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 #elif defined(CONFIG_PPC_P4080) /* also supports P4040 */ #define CONFIG_MAX_CPUS 8 @@ -406,6 +408,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A004510 #define CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV 0x20 #define CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY 0xff000000 +#define CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 #elif defined(CONFIG_PPC_P5020) /* also supports P5010 */ #define CONFIG_MAX_CPUS 2 @@ -432,6 +435,7 @@ #define CONFIG_SYS_FSL_ERRATUM_A004510 #define CONFIG_SYS_FSL_ERRATUM_A004510_SVR_REV 0x10 #define CONFIG_SYS_FSL_CORENET_SNOOPVEC_COREONLY 0xc0000000 +#define CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 #elif defined(CONFIG_BSC9131) #define CONFIG_MAX_CPUS 1 -- cgit v1.2.3-70-g09d2 From eb5394120643922626f18e5fe7b0b3dc0ed43b9a Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 8 Oct 2012 07:44:25 +0000 Subject: powerpc/mpc85xx: software workaround for DDR erratum A-004468 Boot space translation utilizes the pre-translation address to select the DDR controller target. However, the post-translation address will be presented to the selected DDR controller. It is possible that the pre- translation address selects one DDR controller but the post-translation address exists in a different DDR controller when using certain DDR controller interleaving modes. The device may fail to boot under these circumstances. Note that a DDR MSE error will not be detected since DDR controller bounds registers are programmed to be the same when configured for DDR controller interleaving. Signed-off-by: York Sun Signed-off-by: Andy Fleming --- arch/powerpc/cpu/mpc85xx/cmd_errata.c | 3 + arch/powerpc/cpu/mpc85xx/fdt.c | 2 +- arch/powerpc/cpu/mpc85xx/mp.c | 96 +++++++++++++++++++++++++++---- arch/powerpc/cpu/mpc86xx/fdt.c | 2 +- arch/powerpc/cpu/mpc86xx/mp.c | 9 ++- arch/powerpc/cpu/mpc8xxx/ddr/util.c | 10 ++++ arch/powerpc/include/asm/config_mpc85xx.h | 1 + arch/powerpc/include/asm/mp.h | 2 +- arch/powerpc/lib/board.c | 4 +- 9 files changed, 111 insertions(+), 18 deletions(-) (limited to 'arch/powerpc/cpu/mpc85xx/cmd_errata.c') diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index bc7e5e36e..ce5924bc1 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -76,6 +76,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC111) puts("Work-around for Erratum ESDHC111 enabled\n"); #endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A004468 + puts("Work-around for Erratum A004468 enabled\n"); +#endif #if defined(CONFIG_SYS_FSL_ERRATUM_ESDHC135) puts("Work-around for Erratum ESDHC135 enabled\n"); #endif diff --git a/arch/powerpc/cpu/mpc85xx/fdt.c b/arch/powerpc/cpu/mpc85xx/fdt.c index d54527aa4..822148135 100644 --- a/arch/powerpc/cpu/mpc85xx/fdt.c +++ b/arch/powerpc/cpu/mpc85xx/fdt.c @@ -48,7 +48,7 @@ void ft_fixup_cpu(void *blob, u64 memory_limit) { int off; ulong spin_tbl_addr = get_spin_phys_addr(); - u32 bootpg = determine_mp_bootpg(); + u32 bootpg = determine_mp_bootpg(NULL); u32 id = get_my_id(); const char *enable_method; diff --git a/arch/powerpc/cpu/mpc85xx/mp.c b/arch/powerpc/cpu/mpc85xx/mp.c index ffc2a9ad6..39adf8e88 100644 --- a/arch/powerpc/cpu/mpc85xx/mp.c +++ b/arch/powerpc/cpu/mpc85xx/mp.c @@ -27,9 +27,11 @@ #include #include #include +#include #include "mp.h" DECLARE_GLOBAL_DATA_PTR; +u32 fsl_ddr_get_intl3r(void); u32 get_my_id() { @@ -191,13 +193,68 @@ int cpu_release(int nr, int argc, char * const argv[]) return 0; } -u32 determine_mp_bootpg(void) +u32 determine_mp_bootpg(unsigned int *pagesize) { + u32 bootpg; +#ifdef CONFIG_SYS_FSL_ERRATUM_A004468 + u32 svr = get_svr(); + u32 granule_size, check; + struct law_entry e; +#endif + /* if we have 4G or more of memory, put the boot page at 4Gb-4k */ if ((u64)gd->ram_size > 0xfffff000) - return (0xfffff000); + bootpg = 0xfffff000; + else + bootpg = gd->ram_size - 4096; + if (pagesize) + *pagesize = 4096; + +#ifdef CONFIG_SYS_FSL_ERRATUM_A004468 +/* + * Erratum A004468 has two parts. The 3-way interleaving applies to T4240, + * to be fixed in rev 2.0. The 2-way interleaving applies to many SoCs. But + * the way boot page chosen in u-boot avoids hitting this erratum. So only + * thw workaround for 3-way interleaving is needed. + * + * To make sure boot page translation works with 3-Way DDR interleaving + * enforce a check for the following constrains + * 8K granule size requires BRSIZE=8K and + * bootpg >> log2(BRSIZE) %3 == 1 + * 4K and 1K granule size requires BRSIZE=4K and + * bootpg >> log2(BRSIZE) %3 == 0 + */ + if (SVR_SOC_VER(svr) == SVR_T4240 && SVR_MAJ(svr) < 2) { + e = find_law(bootpg); + switch (e.trgt_id) { + case LAW_TRGT_IF_DDR_INTLV_123: + granule_size = fsl_ddr_get_intl3r() & 0x1f; + if (granule_size == FSL_DDR_3WAY_8KB_INTERLEAVING) { + if (pagesize) + *pagesize = 8192; + bootpg &= 0xffffe000; /* align to 8KB */ + check = bootpg >> 13; + while ((check % 3) != 1) + check--; + bootpg = check << 13; + debug("Boot page (8K) at 0x%08x\n", bootpg); + break; + } else { + bootpg &= 0xfffff000; /* align to 4KB */ + check = bootpg >> 12; + while ((check % 3) != 0) + check--; + bootpg = check << 12; + debug("Boot page (4K) at 0x%08x\n", bootpg); + } + break; + default: + break; + } + } +#endif /* CONFIG_SYS_FSL_ERRATUM_A004468 */ - return (gd->ram_size - 4096); + return bootpg; } ulong get_spin_phys_addr(void) @@ -219,9 +276,9 @@ ulong get_spin_virt_addr(void) } #ifdef CONFIG_FSL_CORENET -static void plat_mp_up(unsigned long bootpg) +static void plat_mp_up(unsigned long bootpg, unsigned int pagesize) { - u32 cpu_up_mask, whoami; + u32 cpu_up_mask, whoami, brsize = LAW_SIZE_4K; u32 *table = (u32 *)get_spin_virt_addr(); volatile ccsr_gur_t *gur; volatile ccsr_local_t *ccm; @@ -241,7 +298,11 @@ static void plat_mp_up(unsigned long bootpg) out_be32(&ccm->bstrl, bootpg); e = find_law(bootpg); - out_be32(&ccm->bstrar, LAW_EN | e.trgt_id << 20 | LAW_SIZE_4K); + /* pagesize is only 4K or 8K */ + if (pagesize == 8192) + brsize = LAW_SIZE_8K; + out_be32(&ccm->bstrar, LAW_EN | e.trgt_id << 20 | brsize); + debug("BRSIZE is 0x%x\n", brsize); /* readback to sync write */ in_be32(&ccm->bstrar); @@ -294,7 +355,7 @@ static void plat_mp_up(unsigned long bootpg) #endif } #else -static void plat_mp_up(unsigned long bootpg) +static void plat_mp_up(unsigned long bootpg, unsigned int pagesize) { u32 up, cpu_up_mask, whoami; u32 *table = (u32 *)get_spin_virt_addr(); @@ -374,7 +435,7 @@ static void plat_mp_up(unsigned long bootpg) void cpu_mp_lmb_reserve(struct lmb *lmb) { - u32 bootpg = determine_mp_bootpg(); + u32 bootpg = determine_mp_bootpg(NULL); lmb_reserve(lmb, bootpg, 4096); } @@ -383,8 +444,23 @@ void setup_mp(void) { extern ulong __secondary_start_page; extern ulong __bootpg_addr; + ulong fixup = (ulong)&__secondary_start_page; - u32 bootpg = determine_mp_bootpg(); + u32 bootpg, bootpg_map, pagesize; + + bootpg = determine_mp_bootpg(&pagesize); + + /* + * pagesize is only 4K or 8K + * we only use the last 4K of boot page + * bootpg_map saves the address for the boot page + * 8K is used for the workaround of 3-way DDR interleaving + */ + + bootpg_map = bootpg; + + if (pagesize == 8192) + bootpg += 4096; /* use 2nd half */ /* Some OSes expect secondary cores to be held in reset */ if (hold_cores_in_reset(0)) @@ -407,7 +483,7 @@ void setup_mp(void) memcpy((void *)CONFIG_BPTR_VIRT_ADDR, (void *)fixup, 4096); - plat_mp_up(bootpg); + plat_mp_up(bootpg_map, pagesize); } else { puts("WARNING: No reset page TLB. " "Skipping secondary core setup\n"); diff --git a/arch/powerpc/cpu/mpc86xx/fdt.c b/arch/powerpc/cpu/mpc86xx/fdt.c index 61f5110b7..2f955fe93 100644 --- a/arch/powerpc/cpu/mpc86xx/fdt.c +++ b/arch/powerpc/cpu/mpc86xx/fdt.c @@ -20,7 +20,7 @@ void ft_cpu_setup(void *blob, bd_t *bd) { #ifdef CONFIG_MP int off; - u32 bootpg = determine_mp_bootpg(); + u32 bootpg = determine_mp_bootpg(NULL); #endif do_fixup_by_prop_u32(blob, "device_type", "cpu", 4, diff --git a/arch/powerpc/cpu/mpc86xx/mp.c b/arch/powerpc/cpu/mpc86xx/mp.c index 30c99ebc5..de705f0ae 100644 --- a/arch/powerpc/cpu/mpc86xx/mp.c +++ b/arch/powerpc/cpu/mpc86xx/mp.c @@ -90,8 +90,11 @@ int cpu_release(int nr, int argc, char * const argv[]) return 1; } -u32 determine_mp_bootpg(void) +u32 determine_mp_bootpg(unsigned int *pagesize) { + if (pagesize) + *pagesize = 4096; + /* if we have 4G or more of memory, put the boot page at 4Gb-1M */ if ((u64)gd->ram_size > 0xfffff000) return (0xfff00000); @@ -101,7 +104,7 @@ u32 determine_mp_bootpg(void) void cpu_mp_lmb_reserve(struct lmb *lmb) { - u32 bootpg = determine_mp_bootpg(); + u32 bootpg = determine_mp_bootpg(NULL); /* tell u-boot we stole a page */ lmb_reserve(lmb, bootpg, 4096); @@ -115,7 +118,7 @@ void setup_mp(void) { extern ulong __secondary_start_page; ulong fixup = (ulong)&__secondary_start_page; - u32 bootpg = determine_mp_bootpg(); + u32 bootpg = determine_mp_bootpg(NULL); u32 bootpg_va; if (bootpg >= CONFIG_SYS_MAX_DDR_BAT_SIZE) { diff --git a/arch/powerpc/cpu/mpc8xxx/ddr/util.c b/arch/powerpc/cpu/mpc8xxx/ddr/util.c index afc5fae49..940ffff77 100644 --- a/arch/powerpc/cpu/mpc8xxx/ddr/util.c +++ b/arch/powerpc/cpu/mpc8xxx/ddr/util.c @@ -121,6 +121,16 @@ void fsl_ddr_set_intl3r(const unsigned int granule_size) #endif } +u32 fsl_ddr_get_intl3r(void) +{ + u32 val = 0; +#ifdef CONFIG_E6500 + u32 *mcintl3r = (void *) (CONFIG_SYS_IMMR + 0x18004); + val = *mcintl3r; +#endif + return val; +} + void board_add_ram_info(int use_default) { #if defined(CONFIG_MPC83xx) diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h index ba13ddf95..ecb156619 100644 --- a/arch/powerpc/include/asm/config_mpc85xx.h +++ b/arch/powerpc/include/asm/config_mpc85xx.h @@ -511,6 +511,7 @@ #define CONFIG_SYS_FSL_USB1_PHY_ENABLE #define CONFIG_SYS_FSL_USB2_PHY_ENABLE #define CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY +#define CONFIG_SYS_FSL_ERRATUM_A004468 #define CONFIG_SYS_CCSRBAR_DEFAULT 0xfe000000 #elif defined(CONFIG_PPC_B4860) diff --git a/arch/powerpc/include/asm/mp.h b/arch/powerpc/include/asm/mp.h index fe490bac0..9188ede3f 100644 --- a/arch/powerpc/include/asm/mp.h +++ b/arch/powerpc/include/asm/mp.h @@ -25,7 +25,7 @@ void setup_mp(void); void cpu_mp_lmb_reserve(struct lmb *lmb); -u32 determine_mp_bootpg(void); +u32 determine_mp_bootpg(unsigned int *pagesize); int is_core_disabled(int nr); #ifdef CONFIG_E6500 diff --git a/arch/powerpc/lib/board.c b/arch/powerpc/lib/board.c index b860141ef..ebf400851 100644 --- a/arch/powerpc/lib/board.c +++ b/arch/powerpc/lib/board.c @@ -440,8 +440,8 @@ void board_init_f(ulong bootflag) * We need to make sure the location we intend to put secondary core * boot code is reserved and not used by any part of u-boot */ - if (addr > determine_mp_bootpg()) { - addr = determine_mp_bootpg(); + if (addr > determine_mp_bootpg(NULL)) { + addr = determine_mp_bootpg(NULL); debug("Reserving MP boot page to %08lx\n", addr); } #endif -- cgit v1.2.3-70-g09d2 From a1d558a20f1eaeae9927abc4e0978725d33bae53 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 8 Oct 2012 07:44:26 +0000 Subject: powerpc/mpc85xx: Add workaround for DDR erratum A004934 After DDR controller is enabled, it performs a calibration for the transmit data vs DQS paths. During this calibration, the DDR controller may make an inaccurate calculation, resulting in a non-optimal tap point. Signed-off-by: York Sun Signed-off-by: Andy Fleming --- arch/powerpc/cpu/mpc85xx/cmd_errata.c | 3 +++ arch/powerpc/cpu/mpc85xx/ddr-gen3.c | 3 +++ arch/powerpc/include/asm/config_mpc85xx.h | 1 + 3 files changed, 7 insertions(+) (limited to 'arch/powerpc/cpu/mpc85xx/cmd_errata.c') diff --git a/arch/powerpc/cpu/mpc85xx/cmd_errata.c b/arch/powerpc/cpu/mpc85xx/cmd_errata.c index ce5924bc1..2be192d57 100644 --- a/arch/powerpc/cpu/mpc85xx/cmd_errata.c +++ b/arch/powerpc/cpu/mpc85xx/cmd_errata.c @@ -133,6 +133,9 @@ static int do_errata(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) #endif #ifdef CONFIG_SYS_FSL_ERRATUM_SRIO_A004034 puts("Work-around for Erratum SRIO-A004034 enabled\n"); +#endif +#ifdef CONFIG_SYS_FSL_ERRATUM_A_004934 + puts("Work-around for Erratum A004934 enabled\n"); #endif return 0; } diff --git a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c index 8bed5fe92..21840bfc2 100644 --- a/arch/powerpc/cpu/mpc85xx/ddr-gen3.c +++ b/arch/powerpc/cpu/mpc85xx/ddr-gen3.c @@ -140,6 +140,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, out_be32(&ddr->debug[i], regs->debug[i]); } } +#ifdef CONFIG_SYS_FSL_ERRATUM_A_004934 + out_be32(&ddr->debug[28], 0x00003000); +#endif #ifdef CONFIG_SYS_FSL_ERRATUM_DDR_A003474 out_be32(&ddr->debug[12], 0x00000015); diff --git a/arch/powerpc/include/asm/config_mpc85xx.h b/arch/powerpc/include/asm/config_mpc85xx.h index ecb156619..92ca2ad74 100644 --- a/arch/powerpc/include/asm/config_mpc85xx.h +++ b/arch/powerpc/include/asm/config_mpc85xx.h @@ -512,6 +512,7 @@ #define CONFIG_SYS_FSL_USB2_PHY_ENABLE #define CONFIG_SYS_FSL_USB_INTERNAL_UTMI_PHY #define CONFIG_SYS_FSL_ERRATUM_A004468 +#define CONFIG_SYS_FSL_ERRATUM_A_004934 #define CONFIG_SYS_CCSRBAR_DEFAULT 0xfe000000 #elif defined(CONFIG_PPC_B4860) -- cgit v1.2.3-70-g09d2