diff options
Diffstat (limited to 'drivers/ddr/fsl')
| -rw-r--r-- | drivers/ddr/fsl/fsl_ddr_gen4.c | 28 | ||||
| -rw-r--r-- | drivers/ddr/fsl/main.c | 1 | ||||
| -rw-r--r-- | drivers/ddr/fsl/util.c | 40 |
3 files changed, 55 insertions, 14 deletions
diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index 49e4688351..1de7b72b4c 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -107,14 +107,14 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, goto step2; #ifdef CONFIG_SYS_FSL_ERRATUM_A008336 -#ifdef CONFIG_LS2085A +#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) /* A008336 only applies to general DDR controllers */ if ((ctrl_num == 0) || (ctrl_num == 1)) #endif ddr_out32(eddrtqcr1, 0x63b30002); #endif #ifdef CONFIG_SYS_FSL_ERRATUM_A008514 -#ifdef CONFIG_LS2085A +#if defined(CONFIG_LS2080A) || defined(CONFIG_LS2085A) /* A008514 only applies to DP-DDR controler */ if (ctrl_num == 2) #endif @@ -423,16 +423,16 @@ step2: if (getenv_f("ddr_bist", buffer, CONFIG_SYS_CBSIZE) >= 0) { puts("Running BIST test. This will take a while..."); cs0_config = ddr_in32(&ddr->cs0_config); + cs0_bnds = ddr_in32(&ddr->cs0_bnds); + cs1_bnds = ddr_in32(&ddr->cs1_bnds); + cs2_bnds = ddr_in32(&ddr->cs2_bnds); + cs3_bnds = ddr_in32(&ddr->cs3_bnds); if (cs0_config & CTLR_INTLV_MASK) { - cs0_bnds = ddr_in32(&cs0_bnds); - cs1_bnds = ddr_in32(&cs1_bnds); - cs2_bnds = ddr_in32(&cs2_bnds); - cs3_bnds = ddr_in32(&cs3_bnds); /* set bnds to non-interleaving */ - ddr_out32(&cs0_bnds, (cs0_bnds & 0xfffefffe) >> 1); - ddr_out32(&cs1_bnds, (cs1_bnds & 0xfffefffe) >> 1); - ddr_out32(&cs2_bnds, (cs2_bnds & 0xfffefffe) >> 1); - ddr_out32(&cs3_bnds, (cs3_bnds & 0xfffefffe) >> 1); + ddr_out32(&ddr->cs0_bnds, (cs0_bnds & 0xfffefffe) >> 1); + ddr_out32(&ddr->cs1_bnds, (cs1_bnds & 0xfffefffe) >> 1); + ddr_out32(&ddr->cs2_bnds, (cs2_bnds & 0xfffefffe) >> 1); + ddr_out32(&ddr->cs3_bnds, (cs3_bnds & 0xfffefffe) >> 1); } ddr_out32(&ddr->mtp1, BIST_PATTERN1); ddr_out32(&ddr->mtp2, BIST_PATTERN1); @@ -469,10 +469,10 @@ step2: if (cs0_config & CTLR_INTLV_MASK) { /* restore bnds registers */ - ddr_out32(&cs0_bnds, cs0_bnds); - ddr_out32(&cs1_bnds, cs1_bnds); - ddr_out32(&cs2_bnds, cs2_bnds); - ddr_out32(&cs3_bnds, cs3_bnds); + ddr_out32(&ddr->cs0_bnds, cs0_bnds); + ddr_out32(&ddr->cs1_bnds, cs1_bnds); + ddr_out32(&ddr->cs2_bnds, cs2_bnds); + ddr_out32(&ddr->cs3_bnds, cs3_bnds); } } #endif diff --git a/drivers/ddr/fsl/main.c b/drivers/ddr/fsl/main.c index 72ec1be65d..c68663220d 100644 --- a/drivers/ddr/fsl/main.c +++ b/drivers/ddr/fsl/main.c @@ -813,6 +813,7 @@ phys_size_t fsl_ddr_sdram(void) info.board_need_mem_reset = board_need_mem_reset; info.board_mem_reset = board_assert_mem_reset; info.board_mem_de_reset = board_deassert_mem_reset; + remove_unused_controllers(&info); return __fsl_ddr_sdram(&info); } diff --git a/drivers/ddr/fsl/util.c b/drivers/ddr/fsl/util.c index ce55aea1b4..1a49b28f33 100644 --- a/drivers/ddr/fsl/util.c +++ b/drivers/ddr/fsl/util.c @@ -385,3 +385,43 @@ void fsl_ddr_sync_memctl_refresh(unsigned int first_ctrl, ddr_out32(ddrc_debug2_p[i], ddrc_debug2[i]); } #endif /* CONFIG_FSL_DDR_SYNC_REFRESH */ + +void remove_unused_controllers(fsl_ddr_info_t *info) +{ +#ifdef CONFIG_FSL_LSCH3 + int i; + u64 nodeid; + void *hnf_sam_ctrl = (void *)(CCI_HN_F_0_BASE + CCN_HN_F_SAM_CTL); + bool ddr0_used = false; + bool ddr1_used = false; + + for (i = 0; i < 8; i++) { + nodeid = in_le64(hnf_sam_ctrl) & CCN_HN_F_SAM_NODEID_MASK; + if (nodeid == CCN_HN_F_SAM_NODEID_DDR0) { + ddr0_used = true; + } else if (nodeid == CCN_HN_F_SAM_NODEID_DDR1) { + ddr1_used = true; + } else { + printf("Unknown nodeid in HN-F SAM control: 0x%llx\n", + nodeid); + } + hnf_sam_ctrl += (CCI_HN_F_1_BASE - CCI_HN_F_0_BASE); + } + if (!ddr0_used && !ddr1_used) { + printf("Invalid configuration in HN-F SAM control\n"); + return; + } + + if (!ddr0_used && info->first_ctrl == 0) { + info->first_ctrl = 1; + info->num_ctrls = 1; + debug("First DDR controller disabled\n"); + return; + } + + if (!ddr1_used && info->first_ctrl + info->num_ctrls > 1) { + info->num_ctrls = 1; + debug("Second DDR controller disabled\n"); + } +#endif +} |