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@ -47,13 +47,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, |
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{ |
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unsigned int i, bus_width; |
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struct ccsr_ddr __iomem *ddr; |
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u32 temp_sdram_cfg; |
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u32 temp32; |
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u32 total_gb_size_per_controller; |
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int timeout; |
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#if defined(CONFIG_SYS_FSL_ERRATUM_A008511) || \ |
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defined(CONFIG_SYS_FSL_ERRATUM_A009801) |
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u32 temp32; |
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#endif |
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#ifdef CONFIG_SYS_FSL_ERRATUM_A008511 |
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u32 mr6; |
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@ -61,11 +57,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, |
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u32 vref_seq2[3] = {0xc0, 0xf0, 0x70}; /* for range 2 */ |
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u32 *vref_seq = vref_seq1; |
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#endif |
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#if defined(CONFIG_SYS_FSL_ERRATUM_A009942) | \ |
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defined(CONFIG_SYS_FSL_ERRATUM_A010165) |
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ulong ddr_freq; |
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u32 tmp; |
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#endif |
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#ifdef CONFIG_FSL_DDR_BIST |
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u32 mtcr, err_detect, err_sbe; |
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u32 cs0_bnds, cs1_bnds, cs2_bnds, cs3_bnds, cs0_config; |
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@ -73,7 +64,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, |
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#ifdef CONFIG_FSL_DDR_BIST |
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char buffer[CONFIG_SYS_CBSIZE]; |
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#endif |
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switch (ctrl_num) { |
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case 0: |
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ddr = (void *)CONFIG_SYS_FSL_DDR_ADDR; |
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@ -230,16 +220,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, |
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ddr_out32(&ddr->debug[i], regs->debug[i]); |
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} |
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} |
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#ifdef CONFIG_SYS_FSL_ERRATUM_A008378 |
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/* Erratum applies when accumulated ECC is used, or DBI is enabled */ |
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#define IS_ACC_ECC_EN(v) ((v) & 0x4) |
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#define IS_DBI(v) ((((v) >> 12) & 0x3) == 0x2) |
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if (has_erratum_a008378()) { |
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if (IS_ACC_ECC_EN(regs->ddr_sdram_cfg) || |
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IS_DBI(regs->ddr_sdram_cfg_3)) |
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ddr_setbits32(&ddr->debug[28], 0x9 << 20); |
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} |
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#endif |
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#ifdef CONFIG_SYS_FSL_ERRATUM_A008511 |
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/* Part 1 of 2 */ |
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@ -277,24 +257,11 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, |
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ddr_out32(&ddr->debug[25], temp32); |
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#endif |
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#ifdef CONFIG_SYS_FSL_ERRATUM_A009942 |
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ddr_freq = get_ddr_freq(ctrl_num) / 1000000; |
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tmp = ddr_in32(&ddr->debug[28]); |
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if (ddr_freq <= 1333) |
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ddr_out32(&ddr->debug[28], tmp | 0x0080006a); |
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else if (ddr_freq <= 1600) |
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ddr_out32(&ddr->debug[28], tmp | 0x0070006f); |
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else if (ddr_freq <= 1867) |
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ddr_out32(&ddr->debug[28], tmp | 0x00700076); |
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else if (ddr_freq <= 2133) |
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ddr_out32(&ddr->debug[28], tmp | 0x0060007b); |
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#endif |
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#ifdef CONFIG_SYS_FSL_ERRATUM_A010165 |
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ddr_freq = get_ddr_freq(ctrl_num) / 1000000; |
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if ((ddr_freq > 1900) && (ddr_freq < 2300)) { |
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tmp = ddr_in32(&ddr->debug[28]); |
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ddr_out32(&ddr->debug[28], tmp | 0x000a0000); |
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temp32 = get_ddr_freq(ctrl_num) / 1000000; |
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if ((temp32 > 1900) && (temp32 < 2300)) { |
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temp32 = ddr_in32(&ddr->debug[28]); |
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ddr_out32(&ddr->debug[28], temp32 | 0x000a0000); |
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} |
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#endif |
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/*
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@ -312,9 +279,9 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, |
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step2: |
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/* Set, but do not enable the memory */ |
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temp_sdram_cfg = regs->ddr_sdram_cfg; |
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temp_sdram_cfg &= ~(SDRAM_CFG_MEM_EN); |
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ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg); |
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temp32 = regs->ddr_sdram_cfg; |
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temp32 &= ~(SDRAM_CFG_MEM_EN); |
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ddr_out32(&ddr->sdram_cfg, temp32); |
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/*
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* 500 painful micro-seconds must elapse between |
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@ -329,18 +296,18 @@ step2: |
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#ifdef CONFIG_DEEP_SLEEP |
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if (is_warm_boot()) { |
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/* enter self-refresh */ |
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temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); |
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temp_sdram_cfg |= SDRAM_CFG2_FRC_SR; |
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ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); |
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temp32 = ddr_in32(&ddr->sdram_cfg_2); |
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temp32 |= SDRAM_CFG2_FRC_SR; |
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ddr_out32(&ddr->sdram_cfg_2, temp32); |
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/* do board specific memory setup */ |
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board_mem_sleep_setup(); |
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temp_sdram_cfg = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI); |
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temp32 = (ddr_in32(&ddr->sdram_cfg) | SDRAM_CFG_BI); |
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} else |
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#endif |
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temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; |
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temp32 = ddr_in32(&ddr->sdram_cfg) & ~SDRAM_CFG_BI; |
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/* Let the controller go */ |
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ddr_out32(&ddr->sdram_cfg, temp_sdram_cfg | SDRAM_CFG_MEM_EN); |
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ddr_out32(&ddr->sdram_cfg, temp32 | SDRAM_CFG_MEM_EN); |
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mb(); |
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isb(); |
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@ -483,9 +450,9 @@ step2: |
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#ifdef CONFIG_DEEP_SLEEP |
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if (is_warm_boot()) { |
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/* exit self-refresh */ |
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temp_sdram_cfg = ddr_in32(&ddr->sdram_cfg_2); |
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temp_sdram_cfg &= ~SDRAM_CFG2_FRC_SR; |
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ddr_out32(&ddr->sdram_cfg_2, temp_sdram_cfg); |
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temp32 = ddr_in32(&ddr->sdram_cfg_2); |
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temp32 &= ~SDRAM_CFG2_FRC_SR; |
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ddr_out32(&ddr->sdram_cfg_2, temp32); |
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} |
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#endif |
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