From b406731aa9861591352f274f5744c7cb003b9677 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 29 Aug 2016 17:04:12 +0800 Subject: driver/ddr/fsl: Add more debug registers 32 more debug registers are added for newer DDR controllers. Signed-off-by: York Sun Signed-off-by: Shengzhou Liu --- drivers/ddr/fsl/fsl_ddr_gen4.c | 2 +- drivers/ddr/fsl/interactive.c | 4 ++-- 2 files changed, 3 insertions(+), 3 deletions(-) (limited to 'drivers/ddr/fsl') diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index d37e2474c9..c2f8a8bcae 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -218,7 +218,7 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, ddr_out32(&ddr->err_disable, regs->err_disable); #endif ddr_out32(&ddr->err_int_en, regs->err_int_en); - for (i = 0; i < 32; i++) { + for (i = 0; i < 64; i++) { if (regs->debug[i]) { debug("Write to debug_%d as %08x\n", i+1, regs->debug[i]); diff --git a/drivers/ddr/fsl/interactive.c b/drivers/ddr/fsl/interactive.c index d23e6e5b97..49352b30fb 100644 --- a/drivers/ddr/fsl/interactive.c +++ b/drivers/ddr/fsl/interactive.c @@ -670,7 +670,7 @@ static void print_fsl_memctl_config_regs(const fsl_ddr_cfg_regs_t *ddr) print_option_table(options, n_opts, ddr); - for (i = 0; i < 32; i++) + for (i = 0; i < 64; i++) printf("debug_%02d = 0x%08X\n", i+1, ddr->debug[i]); } @@ -771,7 +771,7 @@ static void fsl_ddr_regs_edit(fsl_ddr_info_t *pinfo, if (handle_option_table(options, n_opts, ddr, regname, value_str)) return; - for (i = 0; i < 32; i++) { + for (i = 0; i < 64; i++) { unsigned int value = simple_strtoul(value_str, NULL, 0); sprintf(buf, "debug_%u", i + 1); if (strcmp(buf, regname) == 0) { -- cgit v1.2.3 From 4baa38c51a3187990a31519f8163519eda3890b5 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 29 Aug 2016 17:04:13 +0800 Subject: driver/ddr/fsl: Revise workaround A008511 for A009803 DDR controller 5.2.1 has this erratum A008511 partially fixed. The workaround needs to be adjusted to take advantage of Vref training. This patch enables the training and force output enable to be off. Erratum A009803 requires the controller to be idel before enabling address parity. It was combined with workaround for A008511. With new A008511 flow, this flow needs to be changed to enabling data init (D_INIT) after the address parity is enabled. Signed-off-by: York Sun Signed-off-by: Shengzhou Liu --- drivers/ddr/fsl/fsl_ddr_gen4.c | 83 ++++++++++++++++++++++++------------------ 1 file changed, 47 insertions(+), 36 deletions(-) (limited to 'drivers/ddr/fsl') diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index c2f8a8bcae..aaf7c02688 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -238,7 +238,6 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, #ifdef CONFIG_SYS_FSL_ERRATUM_A008511 /* Part 1 of 2 */ - /* This erraum only applies to verion 5.2.0 */ if (fsl_ddr_get_version(ctrl_num) == 0x50200) { /* Disable DRAM VRef training */ ddr_out32(&ddr->ddr_cdr2, @@ -247,13 +246,25 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, temp32 = ddr_in32(&ddr->debug[28]); temp32 |= DDR_TX_BD_DIS; ddr_out32(&ddr->debug[28], temp32); - /* Disable D_INIT */ - ddr_out32(&ddr->sdram_cfg_2, - regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); ddr_out32(&ddr->debug[25], 0x9000); + } else if (fsl_ddr_get_version(ctrl_num) == 0x50201) { + /* Output enable forced off */ + ddr_out32(&ddr->debug[37], 1 << 31); + /* Enable Vref training */ + ddr_out32(&ddr->ddr_cdr2, + regs->ddr_cdr2 | DDR_CDR2_VREF_TRAIN_EN); + } else { + debug("Erratum A008511 doesn't apply.\n"); } #endif +#if defined(CONFIG_SYS_FSL_ERRATUM_A009803) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A008511) + /* Disable D_INIT */ + ddr_out32(&ddr->sdram_cfg_2, + regs->ddr_sdram_cfg_2 & ~SDRAM_CFG2_D_INIT); +#endif + #ifdef CONFIG_SYS_FSL_ERRATUM_A009801 temp32 = ddr_in32(&ddr->debug[25]); temp32 &= ~DDR_CAS_TO_PRE_SUB_MASK; @@ -331,21 +342,21 @@ step2: #if defined(CONFIG_SYS_FSL_ERRATUM_A008511) || \ defined(CONFIG_SYS_FSL_ERRATUM_A009803) /* Part 2 of 2 */ - /* This erraum only applies to verion 5.2.0 */ - if (fsl_ddr_get_version(ctrl_num) == 0x50200) { - /* Wait for idle */ - timeout = 40; - while (!(ddr_in32(&ddr->debug[1]) & 0x2) && - (timeout > 0)) { - udelay(1000); - timeout--; - } - if (timeout <= 0) { - printf("Controler %d timeout, debug_2 = %x\n", - ctrl_num, ddr_in32(&ddr->debug[1])); - } + timeout = 40; + /* Wait for idle. D_INIT needs to be cleared earlier, or timeout */ + while (!(ddr_in32(&ddr->debug[1]) & 0x2) && + (timeout > 0)) { + udelay(1000); + timeout--; + } + if (timeout <= 0) { + printf("Controler %d timeout, debug_2 = %x\n", + ctrl_num, ddr_in32(&ddr->debug[1])); + } #ifdef CONFIG_SYS_FSL_ERRATUM_A008511 + /* This erraum only applies to verion 5.2.0 */ + if (fsl_ddr_get_version(ctrl_num) == 0x50200) { /* The vref setting sequence is different for range 2 */ if (regs->ddr_cdr2 & DDR_CDR2_VREF_RANGE_2) vref_seq = vref_seq2; @@ -392,32 +403,32 @@ step2: printf("Controler %d timeout, debug_2 = %x\n", ctrl_num, ddr_in32(&ddr->debug[1])); } - /* Restore D_INIT */ - ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); + } #endif /* CONFIG_SYS_FSL_ERRATUM_A008511 */ #ifdef CONFIG_SYS_FSL_ERRATUM_A009803 - if (regs->ddr_sdram_cfg_2 & SDRAM_CFG2_AP_EN) { - /* if it's RDIMM */ - if (regs->ddr_sdram_cfg & SDRAM_CFG_RD_EN) { - for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { - if (!(regs->cs[i].config & SDRAM_CS_CONFIG_EN)) - continue; - set_wait_for_bits_clear(&ddr->sdram_md_cntl, - MD_CNTL_MD_EN | - MD_CNTL_CS_SEL(i) | - 0x070000ed, - MD_CNTL_MD_EN); - udelay(1); - } + if (regs->ddr_sdram_cfg_2 & SDRAM_CFG2_AP_EN) { + /* if it's RDIMM */ + if (regs->ddr_sdram_cfg & SDRAM_CFG_RD_EN) { + for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { + if (!(regs->cs[i].config & SDRAM_CS_CONFIG_EN)) + continue; + set_wait_for_bits_clear(&ddr->sdram_md_cntl, + MD_CNTL_MD_EN | + MD_CNTL_CS_SEL(i) | + 0x070000ed, + MD_CNTL_MD_EN); + udelay(1); } - - ddr_out32(&ddr->err_disable, - regs->err_disable & ~DDR_ERR_DISABLE_APED); } -#endif + + ddr_out32(&ddr->err_disable, + regs->err_disable & ~DDR_ERR_DISABLE_APED); } #endif + /* Restore D_INIT */ + ddr_out32(&ddr->sdram_cfg_2, regs->ddr_sdram_cfg_2); +#endif total_gb_size_per_controller = 0; for (i = 0; i < CONFIG_CHIP_SELECTS_PER_CTRL; i++) { -- cgit v1.2.3 From b9e745bbe2562fda710d668dc9cef46e0b23049f Mon Sep 17 00:00:00 2001 From: Shengzhou Liu Date: Fri, 26 Aug 2016 18:30:39 +0800 Subject: driver/ddr/fsl: Add general MMDC driver and reuse common MMDC driver for ls1012a This general MMDC driver adds basic support for Freescale MMDC (Multi Mode DDR Controller). Currently MMDC is integrated on ARMv8 LS1012A SoC for DDR3L, there will be a update to this driver to support more flexible configuration if new features (DDR4, multiple controllers/chip selections, etc) are implimented in future. Meantime, reuse common MMDC driver for LS1012ARDB/LS1012AQDS/ LS1012AFRDM. Signed-off-by: Shengzhou Liu Reviewed-by: York Sun --- Makefile | 1 + arch/arm/include/asm/arch-fsl-layerscape/config.h | 4 +- board/freescale/ls1012afrdm/ls1012afrdm.c | 116 ---------------- board/freescale/ls1012aqds/ls1012aqds.c | 116 ---------------- board/freescale/ls1012ardb/ls1012ardb.c | 116 ---------------- drivers/ddr/fsl/Makefile | 1 + drivers/ddr/fsl/fsl_mmdc.c | 156 ++++++++++++++++++++++ include/configs/ls1012afrdm.h | 22 ++- include/configs/ls1012aqds.h | 23 +++- include/configs/ls1012ardb.h | 21 ++- include/fsl_mmdc.h | 95 +++++++------ 11 files changed, 262 insertions(+), 409 deletions(-) create mode 100644 drivers/ddr/fsl/fsl_mmdc.c (limited to 'drivers/ddr/fsl') diff --git a/Makefile b/Makefile index 1cf15cefd1..be3e60d573 100644 --- a/Makefile +++ b/Makefile @@ -655,6 +655,7 @@ libs-y += drivers/power/ \ libs-y += drivers/spi/ libs-$(CONFIG_FMAN_ENET) += drivers/net/fm/ libs-$(CONFIG_SYS_FSL_DDR) += drivers/ddr/fsl/ +libs-$(CONFIG_SYS_FSL_MMDC) += drivers/ddr/fsl/ libs-$(CONFIG_ALTERA_SDRAM) += drivers/ddr/altera/ libs-y += drivers/serial/ libs-y += drivers/usb/dwc3/ diff --git a/arch/arm/include/asm/arch-fsl-layerscape/config.h b/arch/arm/include/asm/arch-fsl-layerscape/config.h index 9ccdcfa4ec..3eb7e3c983 100644 --- a/arch/arm/include/asm/arch-fsl-layerscape/config.h +++ b/arch/arm/include/asm/arch-fsl-layerscape/config.h @@ -15,7 +15,9 @@ #define CONFIG_SYS_FSL_DDRC_ARM_GEN3 /* Enable Freescale ARM DDR3 driver */ #endif -#ifndef CONFIG_LS1012A +#ifdef CONFIG_LS1012A +#define CONFIG_SYS_FSL_MMDC /* Freescale MMDC driver */ +#else #define CONFIG_SYS_FSL_DDR /* Freescale DDR driver */ #define CONFIG_SYS_FSL_DDR_VER FSL_DDR_VER_5_0 #endif diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c index 5a2b1f48fe..d644e9423b 100644 --- a/board/freescale/ls1012afrdm/ls1012afrdm.c +++ b/board/freescale/ls1012afrdm/ls1012afrdm.c @@ -17,20 +17,6 @@ DECLARE_GLOBAL_DATA_PTR; -static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits) -{ - int timeout = 1000; - - out_be32(ptr, value); - - while (in_be32(ptr) & bits) { - udelay(100); - timeout--; - } - if (timeout <= 0) - puts("Error: wait for clear timeout.\n"); -} - int checkboard(void) { puts("Board: LS1012AFRDM "); @@ -38,108 +24,6 @@ int checkboard(void) return 0; } -void mmdc_init(void) -{ - struct mmdc_p_regs *mmdc = - (struct mmdc_p_regs *)CONFIG_SYS_FSL_DDR_ADDR; - - out_be32(&mmdc->mdscr, CONFIGURATION_REQ); - - /* configure timing parms */ - out_be32(&mmdc->mdotc, CONFIG_SYS_MMDC_CORE_ODT_TIMING); - out_be32(&mmdc->mdcfg0, CONFIG_SYS_MMDC_CORE_TIMING_CFG_0); - out_be32(&mmdc->mdcfg1, CONFIG_SYS_MMDC_CORE_TIMING_CFG_1); - out_be32(&mmdc->mdcfg2, CONFIG_SYS_MMDC_CORE_TIMING_CFG_2); - - /* other parms */ - out_be32(&mmdc->mdmisc, CONFIG_SYS_MMDC_CORE_MISC); - out_be32(&mmdc->mpmur0, CONFIG_SYS_MMDC_PHY_MEASURE_UNIT); - out_be32(&mmdc->mdrwd, CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY); - out_be32(&mmdc->mpodtctrl, CONFIG_SYS_MMDC_PHY_ODT_CTRL); - - /* out of reset delays */ - out_be32(&mmdc->mdor, CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY); - - /* physical parms */ - out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_1); - out_be32(&mmdc->mdasp, CONFIG_SYS_MMDC_CORE_ADDR_PARTITION); - - /* Enable MMDC */ - out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_2); - - /* dram init sequence: update MRs */ - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x8) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2)); - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x19) | - CMD_ADDR_LSB_MR_ADDR(0x30) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0)); - - /* dram init sequence: ZQCL */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0)); - set_wait_for_bits_clear(&mmdc->mpzqhwctrl, - CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL, - FORCE_ZQ_AUTO_CALIBRATION); - - /* Calibrations now: wr lvl */ - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x84) | - CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | WL_EN | CMD_NORMAL)); - set_wait_for_bits_clear(&mmdc->mpwlgcr, WR_LVL_HW_EN, WR_LVL_HW_EN); - - mdelay(1); - - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, CONFIGURATION_REQ); - - mdelay(1); - - /* Calibrations now: Read DQS gating calibration */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3)); - out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN); - out_be32(&mmdc->mprddlctl, CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG); - set_wait_for_bits_clear(&mmdc->mpdgctrl0, - AUTO_RD_DQS_GATING_CALIBRATION_EN, - AUTO_RD_DQS_GATING_CALIBRATION_EN); - - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - - /* Calibrations now: Read calibration */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3)); - out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN); - set_wait_for_bits_clear(&mmdc->mprddlhwctl, - AUTO_RD_CALIBRATION_EN, - AUTO_RD_CALIBRATION_EN); - - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - - /* PD, SR */ - out_be32(&mmdc->mdpdc, CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL); - out_be32(&mmdc->mapsr, CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT); - - /* refresh scheme */ - set_wait_for_bits_clear(&mmdc->mdref, - CONFIG_SYS_MMDC_CORE_REFRESH_CTL, - START_REFRESH); - - /* disable CON_REQ */ - out_be32(&mmdc->mdscr, DISABLE_CFG_REQ); -} - int dram_init(void) { mmdc_init(); diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c index 874c122725..188b6bc979 100644 --- a/board/freescale/ls1012aqds/ls1012aqds.c +++ b/board/freescale/ls1012aqds/ls1012aqds.c @@ -27,20 +27,6 @@ DECLARE_GLOBAL_DATA_PTR; -static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits) -{ - int timeout = 1000; - - out_be32(ptr, value); - - while (in_be32(ptr) & bits) { - udelay(100); - timeout--; - } - if (timeout <= 0) - puts("Error: wait for clear timeout.\n"); -} - int checkboard(void) { char buf[64]; @@ -66,108 +52,6 @@ int checkboard(void) return 0; } -void mmdc_init(void) -{ - struct mmdc_p_regs *mmdc = - (struct mmdc_p_regs *)CONFIG_SYS_FSL_DDR_ADDR; - - out_be32(&mmdc->mdscr, CONFIGURATION_REQ); - - /* configure timing parms */ - out_be32(&mmdc->mdotc, CONFIG_SYS_MMDC_CORE_ODT_TIMING); - out_be32(&mmdc->mdcfg0, CONFIG_SYS_MMDC_CORE_TIMING_CFG_0); - out_be32(&mmdc->mdcfg1, CONFIG_SYS_MMDC_CORE_TIMING_CFG_1); - out_be32(&mmdc->mdcfg2, CONFIG_SYS_MMDC_CORE_TIMING_CFG_2); - - /* other parms */ - out_be32(&mmdc->mdmisc, CONFIG_SYS_MMDC_CORE_MISC); - out_be32(&mmdc->mpmur0, CONFIG_SYS_MMDC_PHY_MEASURE_UNIT); - out_be32(&mmdc->mdrwd, CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY); - out_be32(&mmdc->mpodtctrl, CONFIG_SYS_MMDC_PHY_ODT_CTRL); - - /* out of reset delays */ - out_be32(&mmdc->mdor, CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY); - - /* physical parms */ - out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_1); - out_be32(&mmdc->mdasp, CONFIG_SYS_MMDC_CORE_ADDR_PARTITION); - - /* Enable MMDC */ - out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_2); - - /* dram init sequence: update MRs */ - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x8) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2)); - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x19) | - CMD_ADDR_LSB_MR_ADDR(0x30) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0)); - - /* dram init sequence: ZQCL */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0)); - set_wait_for_bits_clear(&mmdc->mpzqhwctrl, - CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL, - FORCE_ZQ_AUTO_CALIBRATION); - - /* Calibrations now: wr lvl */ - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x84) | - CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | WL_EN | CMD_NORMAL)); - set_wait_for_bits_clear(&mmdc->mpwlgcr, WR_LVL_HW_EN, WR_LVL_HW_EN); - - mdelay(1); - - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, CONFIGURATION_REQ); - - mdelay(1); - - /* Calibrations now: Read DQS gating calibration */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3)); - out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN); - out_be32(&mmdc->mprddlctl, CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG); - set_wait_for_bits_clear(&mmdc->mpdgctrl0, - AUTO_RD_DQS_GATING_CALIBRATION_EN, - AUTO_RD_DQS_GATING_CALIBRATION_EN); - - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - - /* Calibrations now: Read calibration */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3)); - out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN); - set_wait_for_bits_clear(&mmdc->mprddlhwctl, - AUTO_RD_CALIBRATION_EN, - AUTO_RD_CALIBRATION_EN); - - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - - /* PD, SR */ - out_be32(&mmdc->mdpdc, CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL); - out_be32(&mmdc->mapsr, CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT); - - /* refresh scheme */ - set_wait_for_bits_clear(&mmdc->mdref, - CONFIG_SYS_MMDC_CORE_REFRESH_CTL, - START_REFRESH); - - /* disable CON_REQ */ - out_be32(&mmdc->mdscr, DISABLE_CFG_REQ); -} - int dram_init(void) { mmdc_init(); diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c index 6598ab37ee..50f91876ca 100644 --- a/board/freescale/ls1012ardb/ls1012ardb.c +++ b/board/freescale/ls1012ardb/ls1012ardb.c @@ -21,20 +21,6 @@ DECLARE_GLOBAL_DATA_PTR; -static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits) -{ - int timeout = 1000; - - out_be32(ptr, value); - - while (in_be32(ptr) & bits) { - udelay(100); - timeout--; - } - if (timeout <= 0) - puts("Error: wait for clear timeout.\n"); -} - int checkboard(void) { u8 in1; @@ -70,108 +56,6 @@ int checkboard(void) return 0; } -void mmdc_init(void) -{ - struct mmdc_p_regs *mmdc = - (struct mmdc_p_regs *)CONFIG_SYS_FSL_DDR_ADDR; - - out_be32(&mmdc->mdscr, CONFIGURATION_REQ); - - /* configure timing parms */ - out_be32(&mmdc->mdotc, CONFIG_SYS_MMDC_CORE_ODT_TIMING); - out_be32(&mmdc->mdcfg0, CONFIG_SYS_MMDC_CORE_TIMING_CFG_0); - out_be32(&mmdc->mdcfg1, CONFIG_SYS_MMDC_CORE_TIMING_CFG_1); - out_be32(&mmdc->mdcfg2, CONFIG_SYS_MMDC_CORE_TIMING_CFG_2); - - /* other parms */ - out_be32(&mmdc->mdmisc, CONFIG_SYS_MMDC_CORE_MISC); - out_be32(&mmdc->mpmur0, CONFIG_SYS_MMDC_PHY_MEASURE_UNIT); - out_be32(&mmdc->mdrwd, CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY); - out_be32(&mmdc->mpodtctrl, CONFIG_SYS_MMDC_PHY_ODT_CTRL); - - /* out of reset delays */ - out_be32(&mmdc->mdor, CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY); - - /* physical parms */ - out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_1); - out_be32(&mmdc->mdasp, CONFIG_SYS_MMDC_CORE_ADDR_PARTITION); - - /* Enable MMDC */ - out_be32(&mmdc->mdctl, CONFIG_SYS_MMDC_CORE_CONTROL_2); - - /* dram init sequence: update MRs */ - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x8) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2)); - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x19) | - CMD_ADDR_LSB_MR_ADDR(0x30) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0)); - - /* dram init sequence: ZQCL */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0)); - set_wait_for_bits_clear(&mmdc->mpzqhwctrl, - CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL, - FORCE_ZQ_AUTO_CALIBRATION); - - /* Calibrations now: wr lvl */ - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x84) | - CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | WL_EN | CMD_NORMAL)); - set_wait_for_bits_clear(&mmdc->mpwlgcr, WR_LVL_HW_EN, WR_LVL_HW_EN); - - mdelay(1); - - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1)); - out_be32(&mmdc->mdscr, CONFIGURATION_REQ); - - mdelay(1); - - /* Calibrations now: Read DQS gating calibration */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3)); - out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN); - out_be32(&mmdc->mprddlctl, CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG); - set_wait_for_bits_clear(&mmdc->mpdgctrl0, - AUTO_RD_DQS_GATING_CALIBRATION_EN, - AUTO_RD_DQS_GATING_CALIBRATION_EN); - - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - - /* Calibrations now: Read calibration */ - out_be32(&mmdc->mdscr, (CMD_ADDR_MSB_MR_OP(0x4) | CONFIGURATION_REQ | - CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0)); - out_be32(&mmdc->mdscr, (CMD_ADDR_LSB_MR_ADDR(0x4) | CONFIGURATION_REQ | - CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3)); - out_be32(&mmdc->mppdcmpr2, MPR_COMPARE_EN); - set_wait_for_bits_clear(&mmdc->mprddlhwctl, - AUTO_RD_CALIBRATION_EN, - AUTO_RD_CALIBRATION_EN); - - out_be32(&mmdc->mdscr, (CONFIGURATION_REQ | CMD_LOAD_MODE_REG | - CMD_BANK_ADDR_3)); - - /* PD, SR */ - out_be32(&mmdc->mdpdc, CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL); - out_be32(&mmdc->mapsr, CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT); - - /* refresh scheme */ - set_wait_for_bits_clear(&mmdc->mdref, - CONFIG_SYS_MMDC_CORE_REFRESH_CTL, - START_REFRESH); - - /* disable CON_REQ */ - out_be32(&mmdc->mdscr, DISABLE_CFG_REQ); -} - int dram_init(void) { mmdc_init(); diff --git a/drivers/ddr/fsl/Makefile b/drivers/ddr/fsl/Makefile index 01ea86217c..00dea428e3 100644 --- a/drivers/ddr/fsl/Makefile +++ b/drivers/ddr/fsl/Makefile @@ -33,3 +33,4 @@ obj-$(CONFIG_SYS_FSL_DDRC_GEN3) += mpc85xx_ddr_gen3.o obj-$(CONFIG_SYS_FSL_DDR_86XX) += mpc86xx_ddr.o obj-$(CONFIG_SYS_FSL_DDRC_ARM_GEN3) += arm_ddr_gen3.o obj-$(CONFIG_SYS_FSL_DDRC_GEN4) += fsl_ddr_gen4.o +obj-$(CONFIG_SYS_FSL_MMDC) += fsl_mmdc.o diff --git a/drivers/ddr/fsl/fsl_mmdc.c b/drivers/ddr/fsl/fsl_mmdc.c new file mode 100644 index 0000000000..1e359674da --- /dev/null +++ b/drivers/ddr/fsl/fsl_mmdc.c @@ -0,0 +1,156 @@ +/* + * Copyright 2016 Freescale Semiconductor, Inc. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Generic driver for Freescale MMDC(Multi Mode DDR Controller). + */ + +#include +#include +#include + +static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits) +{ + int timeout = 1000; + + out_be32(ptr, value); + + while (in_be32(ptr) & bits) { + udelay(100); + timeout--; + } + if (timeout <= 0) + printf("Error: %p wait for clear timeout.\n", ptr); +} + +void mmdc_init(void) +{ + struct mmdc_regs *mmdc = (struct mmdc_regs *)CONFIG_SYS_FSL_DDR_ADDR; + unsigned int tmp; + + /* 1. set configuration request */ + out_be32(&mmdc->mdscr, MDSCR_ENABLE_CON_REQ); + + /* 2. configure the desired timing parameters */ + out_be32(&mmdc->mdotc, CONFIG_MMDC_MDOTC); + out_be32(&mmdc->mdcfg0, CONFIG_MMDC_MDCFG0); + out_be32(&mmdc->mdcfg1, CONFIG_MMDC_MDCFG1); + out_be32(&mmdc->mdcfg2, CONFIG_MMDC_MDCFG2); + + /* 3. configure DDR type and other miscellaneous parameters */ + out_be32(&mmdc->mdmisc, CONFIG_MMDC_MDMISC); + out_be32(&mmdc->mpmur0, MMDC_MPMUR0_FRC_MSR); + out_be32(&mmdc->mdrwd, CONFIG_MMDC_MDRWD); + out_be32(&mmdc->mpodtctrl, CONFIG_MMDC_MPODTCTRL); + + /* 4. configure the required delay while leaving reset */ + out_be32(&mmdc->mdor, CONFIG_MMDC_MDOR); + + /* 5. configure DDR physical parameters */ + /* set row/column address width, burst length, data bus width */ + tmp = CONFIG_MMDC_MDCTL & ~(MDCTL_SDE0 | MDCTL_SDE1); + out_be32(&mmdc->mdctl, tmp); + /* configure address space partition */ + out_be32(&mmdc->mdasp, CONFIG_MMDC_MDASP); + + /* 6. perform a ZQ calibration - not needed here, doing in #8b */ + + /* 7. enable MMDC with the desired chip select */ +#if (CONFIG_CHIP_SELECTS_PER_CTRL == 1) + out_be32(&mmdc->mdctl, tmp | MDCTL_SDE0); +#elif (CONFIG_CHIP_SELECTS_PER_CTRL == 2) + out_be32(&mmdc->mdctl, tmp | MDCTL_SDE0 | MDCTL_SDE1); +#endif + + /* 8a. dram init sequence: update MRs for ZQ, ODT, PRE, etc */ + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(8) | MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_2); + + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(0) | MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3); + + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(4) | MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1); + + out_be32(&mmdc->mdscr, CMD_ADDR_MSB_MR_OP(0x19) | + CMD_ADDR_LSB_MR_ADDR(0x30) | + MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_0); + + /* 8b. ZQ calibration */ + out_be32(&mmdc->mdscr, CMD_ADDR_MSB_MR_OP(0x4) | MDSCR_ENABLE_CON_REQ | + CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0); + + set_wait_for_bits_clear(&mmdc->mpzqhwctrl, CONFIG_MMDC_MPZQHWCTRL, + MPZQHWCTRL_ZQ_HW_FORCE); + + /* 9a. calibrations now, wr lvl */ + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(0x84) | + MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1); + + out_be32(&mmdc->mdscr, MDSCR_ENABLE_CON_REQ | MDSCR_WL_EN | + CMD_NORMAL); + + set_wait_for_bits_clear(&mmdc->mpwlgcr, MPWLGCR_HW_WL_EN, + MPWLGCR_HW_WL_EN); + + mdelay(1); + + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(4) | MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_1); + out_be32(&mmdc->mdscr, MDSCR_ENABLE_CON_REQ); + + mdelay(1); + + /* 9b. read DQS gating calibration */ + out_be32(&mmdc->mdscr, CMD_ADDR_MSB_MR_OP(4) | MDSCR_ENABLE_CON_REQ | + CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0); + + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(4) | MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3); + + out_be32(&mmdc->mppdcmpr2, MPPDCMPR2_MPR_COMPARE_EN); + + /* set absolute read delay offset */ +#if defined(CONFIG_MMDC_MPRDDLCTL) + out_be32(&mmdc->mprddlctl, CONFIG_MMDC_MPRDDLCTL); +#else + out_be32(&mmdc->mprddlctl, MMDC_MPRDDLCTL_DEFAULT_DELAY); +#endif + set_wait_for_bits_clear(&mmdc->mpdgctrl0, + AUTO_RD_DQS_GATING_CALIBRATION_EN, + AUTO_RD_DQS_GATING_CALIBRATION_EN); + + out_be32(&mmdc->mdscr, MDSCR_ENABLE_CON_REQ | CMD_LOAD_MODE_REG | + CMD_BANK_ADDR_3); + + /* 9c. read calibration */ + out_be32(&mmdc->mdscr, CMD_ADDR_MSB_MR_OP(4) | MDSCR_ENABLE_CON_REQ | + CMD_PRECHARGE_BANK_OPEN | CMD_BANK_ADDR_0); + out_be32(&mmdc->mdscr, CMD_ADDR_LSB_MR_ADDR(4) | MDSCR_ENABLE_CON_REQ | + CMD_LOAD_MODE_REG | CMD_BANK_ADDR_3); + out_be32(&mmdc->mppdcmpr2, MPPDCMPR2_MPR_COMPARE_EN); + set_wait_for_bits_clear(&mmdc->mprddlhwctl, + MPRDDLHWCTL_AUTO_RD_CALIBRATION_EN, + MPRDDLHWCTL_AUTO_RD_CALIBRATION_EN); + + out_be32(&mmdc->mdscr, MDSCR_ENABLE_CON_REQ | CMD_LOAD_MODE_REG | + CMD_BANK_ADDR_3); + + /* 10. configure power-down, self-refresh entry, exit parameters */ + out_be32(&mmdc->mdpdc, CONFIG_MMDC_MDPDC); + out_be32(&mmdc->mapsr, MMDC_MAPSR_PWR_SAV_CTRL_STAT); + + /* 11. ZQ config again? do nothing here */ + + /* 12. refresh scheme */ + set_wait_for_bits_clear(&mmdc->mdref, CONFIG_MMDC_MDREF, + MDREF_START_REFRESH); + + /* 13. disable CON_REQ */ + out_be32(&mmdc->mdscr, MDSCR_DISABLE_CFG_REQ); +} diff --git a/include/configs/ls1012afrdm.h b/include/configs/ls1012afrdm.h index 19ad1948ca..136d648f30 100644 --- a/include/configs/ls1012afrdm.h +++ b/include/configs/ls1012afrdm.h @@ -9,19 +9,33 @@ #include "ls1012a_common.h" +/* DDR */ #define CONFIG_DIMM_SLOTS_PER_CTLR 1 #define CONFIG_CHIP_SELECTS_PER_CTRL 1 #define CONFIG_NR_DRAM_BANKS 2 #define CONFIG_SYS_SDRAM_SIZE 0x20000000 - -#define CONFIG_SYS_MMDC_CORE_CONTROL_1 0x04180000 -#define CONFIG_SYS_MMDC_CORE_CONTROL_2 0x84180000 - +#define CONFIG_CHIP_SELECTS_PER_CTRL 1 #define CONFIG_CMD_MEMINFO #define CONFIG_CMD_MEMTEST #define CONFIG_SYS_MEMTEST_START 0x80000000 #define CONFIG_SYS_MEMTEST_END 0x9fffffff +/* DDR board-specific timing parameters */ +#define CONFIG_MMDC_MDCTL 0x04180000 +#define CONFIG_MMDC_MDPDC 0x00030035 +#define CONFIG_MMDC_MDOTC 0x12554000 +#define CONFIG_MMDC_MDCFG0 0xbabf7954 +#define CONFIG_MMDC_MDCFG1 0xdb328f64 +#define CONFIG_MMDC_MDCFG2 0x01ff00db +#define CONFIG_MMDC_MDMISC 0x00001680 +#define CONFIG_MMDC_MDREF 0x0f3c8000 +#define CONFIG_MMDC_MDRWD 0x00002000 +#define CONFIG_MMDC_MDOR 0x00bf1023 +#define CONFIG_MMDC_MDASP 0x0000003f +#define CONFIG_MMDC_MPODTCTRL 0x0000022a +#define CONFIG_MMDC_MPZQHWCTRL 0xa1390003 + + /* * USB */ diff --git a/include/configs/ls1012aqds.h b/include/configs/ls1012aqds.h index 75b60fa3a3..b6d12dda74 100644 --- a/include/configs/ls1012aqds.h +++ b/include/configs/ls1012aqds.h @@ -9,14 +9,31 @@ #include "ls1012a_common.h" - +/* DDR */ #define CONFIG_DIMM_SLOTS_PER_CTLR 1 #define CONFIG_CHIP_SELECTS_PER_CTRL 1 #define CONFIG_NR_DRAM_BANKS 2 #define CONFIG_SYS_SDRAM_SIZE 0x40000000 +#define CONFIG_CMD_MEMINFO +#define CONFIG_CMD_MEMTEST +#define CONFIG_SYS_MEMTEST_START 0x80000000 +#define CONFIG_SYS_MEMTEST_END 0x9fffffff + +/* DDR board-specific timing parameters */ +#define CONFIG_MMDC_MDCTL 0x05180000 +#define CONFIG_MMDC_MDPDC 0x00030035 +#define CONFIG_MMDC_MDOTC 0x12554000 +#define CONFIG_MMDC_MDCFG0 0xbabf7954 +#define CONFIG_MMDC_MDCFG1 0xdb328f64 +#define CONFIG_MMDC_MDCFG2 0x01ff00db +#define CONFIG_MMDC_MDMISC 0x00001680 +#define CONFIG_MMDC_MDREF 0x0f3c8000 +#define CONFIG_MMDC_MDRWD 0x00002000 +#define CONFIG_MMDC_MDOR 0x00bf1023 +#define CONFIG_MMDC_MDASP 0x0000003f +#define CONFIG_MMDC_MPODTCTRL 0x0000022a +#define CONFIG_MMDC_MPZQHWCTRL 0xa1390003 -#define CONFIG_SYS_MMDC_CORE_CONTROL_1 0x05180000 -#define CONFIG_SYS_MMDC_CORE_CONTROL_2 0x85180000 /* * QIXIS Definitions diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h index d3117e78e2..2076ce509e 100644 --- a/include/configs/ls1012ardb.h +++ b/include/configs/ls1012ardb.h @@ -9,20 +9,31 @@ #include "ls1012a_common.h" - +/* DDR */ #define CONFIG_DIMM_SLOTS_PER_CTLR 1 #define CONFIG_CHIP_SELECTS_PER_CTRL 1 #define CONFIG_NR_DRAM_BANKS 2 #define CONFIG_SYS_SDRAM_SIZE 0x40000000 - -#define CONFIG_SYS_MMDC_CORE_CONTROL_1 0x05180000 -#define CONFIG_SYS_MMDC_CORE_CONTROL_2 0x85180000 - #define CONFIG_CMD_MEMINFO #define CONFIG_CMD_MEMTEST #define CONFIG_SYS_MEMTEST_START 0x80000000 #define CONFIG_SYS_MEMTEST_END 0x9fffffff +/* DDR board-specific timing parameters */ +#define CONFIG_MMDC_MDCTL 0x05180000 +#define CONFIG_MMDC_MDPDC 0x00030035 +#define CONFIG_MMDC_MDOTC 0x12554000 +#define CONFIG_MMDC_MDCFG0 0xbabf7954 +#define CONFIG_MMDC_MDCFG1 0xdb328f64 +#define CONFIG_MMDC_MDCFG2 0x01ff00db +#define CONFIG_MMDC_MDMISC 0x00001680 +#define CONFIG_MMDC_MDREF 0x0f3c8000 +#define CONFIG_MMDC_MDRWD 0x00002000 +#define CONFIG_MMDC_MDOR 0x00bf1023 +#define CONFIG_MMDC_MDASP 0x0000003f +#define CONFIG_MMDC_MPODTCTRL 0x0000022a +#define CONFIG_MMDC_MPZQHWCTRL 0xa1390003 + /* * USB */ diff --git a/include/fsl_mmdc.h b/include/fsl_mmdc.h index a939d89d6b..1d09ff4cb1 100644 --- a/include/fsl_mmdc.h +++ b/include/fsl_mmdc.h @@ -7,63 +7,39 @@ #ifndef FSL_MMDC_H #define FSL_MMDC_H -#define CONFIG_SYS_MMDC_CORE_ODT_TIMING 0x12554000 -#define CONFIG_SYS_MMDC_CORE_TIMING_CFG_0 0xbabf7954 -#define CONFIG_SYS_MMDC_CORE_TIMING_CFG_1 0xff328f64 -#define CONFIG_SYS_MMDC_CORE_TIMING_CFG_2 0x01ff00db - -#define CONFIG_SYS_MMDC_CORE_MISC 0x00001680 -#define CONFIG_SYS_MMDC_PHY_MEASURE_UNIT 0x00000800 -#define CONFIG_SYS_MMDC_CORE_RDWR_CMD_DELAY 0x00002000 -#define CONFIG_SYS_MMDC_PHY_ODT_CTRL 0x0000022a - -#define CONFIG_SYS_MMDC_CORE_OUT_OF_RESET_DELAY 0x00bf1023 - -#define CONFIG_SYS_MMDC_CORE_ADDR_PARTITION 0x0000007f - -#define CONFIG_SYS_MMDC_PHY_ZQ_HW_CTRL 0xa1390003 - -#define FORCE_ZQ_AUTO_CALIBRATION (0x1 << 16) - -/* PHY Write Leveling Configuration and Error Status (MPWLGCR) */ -#define WR_LVL_HW_EN 0x00000001 +/* PHY Write Leveling Configuration and Error Status Register (MPWLGCR) */ +#define MPWLGCR_HW_WL_EN (1 << 0) /* PHY Pre-defined Compare and CA delay-line Configuration (MPPDCMPR2) */ -#define MPR_COMPARE_EN 0x00000001 +#define MPPDCMPR2_MPR_COMPARE_EN (1 << 0) -#define CONFIG_SYS_MMDC_PHY_RD_DLY_LINES_CFG 0x40404040 /* MMDC PHY Read DQS gating control register 0 (MPDGCTRL0) */ -#define AUTO_RD_DQS_GATING_CALIBRATION_EN 0x10000000 +#define AUTO_RD_DQS_GATING_CALIBRATION_EN (1 << 28) /* MMDC PHY Read Delay HW Calibration Control Register (MPRDDLHWCTL) */ -#define AUTO_RD_CALIBRATION_EN 0x00000010 - -#define CONFIG_SYS_MMDC_CORE_PWR_DOWN_CTRL 0x00030035 +#define MPRDDLHWCTL_AUTO_RD_CALIBRATION_EN (1 << 4) -#define CONFIG_SYS_MMDC_CORE_PWR_SAV_CTRL_STAT 0x00001067 +/* MMDC Core Power Saving Control and Status Register (MMDC_MAPSR) */ +#define MMDC_MAPSR_PWR_SAV_CTRL_STAT 0x00001067 -#define CONFIG_SYS_MMDC_CORE_REFRESH_CTL 0x0f3c8000 - -#define START_REFRESH 0x00000001 +/* MMDC Core Refresh Control Register (MMDC_MDREF) */ +#define MDREF_START_REFRESH (1 << 0) /* MMDC Core Special Command Register (MDSCR) */ -#define CMD_ADDR_MSB_MR_OP(x) (x << 24) - -#define CMD_ADDR_LSB_MR_ADDR(x) (x << 16) - -#define DISABLE_CFG_REQ 0x0 -#define CONFIGURATION_REQ (0x1 << 15) -#define WL_EN (0x1 << 9) - -#define CMD_NORMAL (0x0 << 4) -#define CMD_PRECHARGE (0x1 << 4) -#define CMD_AUTO_REFRESH (0x2 << 4) -#define CMD_LOAD_MODE_REG (0x3 << 4) -#define CMD_ZQ_CALIBRATION (0x4 << 4) -#define CMD_PRECHARGE_BANK_OPEN (0x5 << 4) -#define CMD_MRR (0x6 << 4) - +#define CMD_ADDR_MSB_MR_OP(x) (x << 24) +#define CMD_ADDR_LSB_MR_ADDR(x) (x << 16) +#define MDSCR_DISABLE_CFG_REQ (0 << 15) +#define MDSCR_ENABLE_CON_REQ (1 << 15) +#define MDSCR_CON_ACK (1 << 14) +#define MDSCR_WL_EN (1 << 9) +#define CMD_NORMAL (0 << 4) +#define CMD_PRECHARGE (1 << 4) +#define CMD_AUTO_REFRESH (2 << 4) +#define CMD_LOAD_MODE_REG (3 << 4) +#define CMD_ZQ_CALIBRATION (4 << 4) +#define CMD_PRECHARGE_BANK_OPEN (5 << 4) +#define CMD_MRR (6 << 4) #define CMD_BANK_ADDR_0 0x0 #define CMD_BANK_ADDR_1 0x1 #define CMD_BANK_ADDR_2 0x2 @@ -73,8 +49,22 @@ #define CMD_BANK_ADDR_6 0x6 #define CMD_BANK_ADDR_7 0x7 +/* MMDC Core Control Register (MDCTL) */ +#define MDCTL_SDE0 (1 << 31) +#define MDCTL_SDE1 (1 << 30) + +/* MMDC PHY ZQ HW control register (MMDC_MPZQHWCTRL) */ +#define MPZQHWCTRL_ZQ_HW_FORCE (1 << 16) + +/* MMDC PHY Measure Unit Register (MMDC_MPMUR0) */ +#define MMDC_MPMUR0_FRC_MSR (1 << 11) + +/* MMDC PHY Read delay-lines Configuration Register (MMDC_MPRDDLCTL) */ +/* default 64 for a quarter cycle delay */ +#define MMDC_MPRDDLCTL_DEFAULT_DELAY 0x40404040 + /* MMDC Registers */ -struct mmdc_p_regs { +struct mmdc_regs { u32 mdctl; u32 mdpdc; u32 mdotc; @@ -120,7 +110,10 @@ struct mmdc_p_regs { u32 mprddqby1dl; u32 mprddqby2dl; u32 mprddqby3dl; - u32 res5[4]; + u32 mpwrdqby0dl; + u32 mpwrdqby1dl; + u32 mpwrdqby2dl; + u32 mpwrdqby3dl; u32 mpdgctrl0; u32 mpdgctrl1; u32 mpdgdlst0; @@ -157,4 +150,10 @@ struct mmdc_p_regs { u32 mpdccr; }; +void mmdc_init(void); + +#if !defined(CONFIG_MMDC_MDCTL) +#error Must configure board-specific timing CONFIG_MMDC_* in .h for MMDC +#endif + #endif /* FSL_MMDC_H */ -- cgit v1.2.3 From 2f0dcf2dfaca94b7a178b80ef43926f90ff1054c Mon Sep 17 00:00:00 2001 From: Shaohui Xie Date: Wed, 7 Sep 2016 17:56:06 +0800 Subject: ddr: fsl: fix a compile issue When CONFIG_SYS_FSL_ERRATUM_A009801 is defined but CONFIG_SYS_FSL_ERRATUM_A008511 not defined, there is compile error that temp32 undeclared, this patch fixes it. Signed-off-by: Shaohui Xie Signed-off-by: Gong Qianyu Reviewed-by: York Sun --- drivers/ddr/fsl/fsl_ddr_gen4.c | 7 ++++++- 1 file changed, 6 insertions(+), 1 deletion(-) (limited to 'drivers/ddr/fsl') diff --git a/drivers/ddr/fsl/fsl_ddr_gen4.c b/drivers/ddr/fsl/fsl_ddr_gen4.c index aaf7c02688..042af09770 100644 --- a/drivers/ddr/fsl/fsl_ddr_gen4.c +++ b/drivers/ddr/fsl/fsl_ddr_gen4.c @@ -50,8 +50,13 @@ void fsl_ddr_set_memctl_regs(const fsl_ddr_cfg_regs_t *regs, u32 temp_sdram_cfg; u32 total_gb_size_per_controller; int timeout; +#if defined(CONFIG_SYS_FSL_ERRATUM_A008511) || \ + defined(CONFIG_SYS_FSL_ERRATUM_A009801) + u32 temp32; +#endif + #ifdef CONFIG_SYS_FSL_ERRATUM_A008511 - u32 temp32, mr6; + u32 mr6; u32 vref_seq1[3] = {0x80, 0x96, 0x16}; /* for range 1 */ u32 vref_seq2[3] = {0xc0, 0xf0, 0x70}; /* for range 2 */ u32 *vref_seq = vref_seq1; -- cgit v1.2.3 From 1fdcc8dfc7612acc765cd483051dcfaac399f4f1 Mon Sep 17 00:00:00 2001 From: York Sun Date: Mon, 26 Sep 2016 08:09:25 -0700 Subject: driver: ddr: fsl_mmdc: Pass board parameters through data structure Instead of using multiple macros, a data structure is used to pass board-specific parameters to MMDC DDR driver. Signed-off-by: York Sun CC: Shengzhou Liu Reviewed-by: Tom Rini --- board/freescale/ls1012afrdm/ls1012afrdm.c | 18 ++++++++++++++- board/freescale/ls1012aqds/ls1012aqds.c | 18 ++++++++++++++- board/freescale/ls1012ardb/ls1012ardb.c | 18 ++++++++++++++- drivers/ddr/fsl/fsl_mmdc.c | 38 +++++++++++++++---------------- include/configs/ls1012afrdm.h | 16 ------------- include/configs/ls1012aqds.h | 16 ------------- include/configs/ls1012ardb.h | 15 ------------ include/fsl_mmdc.h | 21 +++++++++++++---- 8 files changed, 87 insertions(+), 73 deletions(-) (limited to 'drivers/ddr/fsl') diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c index d644e9423b..b03bdb82c6 100644 --- a/board/freescale/ls1012afrdm/ls1012afrdm.c +++ b/board/freescale/ls1012afrdm/ls1012afrdm.c @@ -26,7 +26,23 @@ int checkboard(void) int dram_init(void) { - mmdc_init(); + static const struct fsl_mmdc_info mparam = { + 0x04180000, /* mdctl */ + 0x00030035, /* mdpdc */ + 0x12554000, /* mdotc */ + 0xbabf7954, /* mdcfg0 */ + 0xdb328f64, /* mdcfg1 */ + 0x01ff00db, /* mdcfg2 */ + 0x00001680, /* mdmisc */ + 0x0f3c8000, /* mdref */ + 0x00002000, /* mdrwd */ + 0x00bf1023, /* mdor */ + 0x0000003f, /* mdasp */ + 0x0000022a, /* mpodtctrl */ + 0xa1390003, /* mpzqhwctrl */ + }; + + mmdc_init(&mparam); gd->ram_size = CONFIG_SYS_SDRAM_SIZE; diff --git a/board/freescale/ls1012aqds/ls1012aqds.c b/board/freescale/ls1012aqds/ls1012aqds.c index 188b6bc979..94440b3c80 100644 --- a/board/freescale/ls1012aqds/ls1012aqds.c +++ b/board/freescale/ls1012aqds/ls1012aqds.c @@ -54,7 +54,23 @@ int checkboard(void) int dram_init(void) { - mmdc_init(); + static const struct fsl_mmdc_info mparam = { + 0x05180000, /* mdctl */ + 0x00030035, /* mdpdc */ + 0x12554000, /* mdotc */ + 0xbabf7954, /* mdcfg0 */ + 0xdb328f64, /* mdcfg1 */ + 0x01ff00db, /* mdcfg2 */ + 0x00001680, /* mdmisc */ + 0x0f3c8000, /* mdref */ + 0x00002000, /* mdrwd */ + 0x00bf1023, /* mdor */ + 0x0000003f, /* mdasp */ + 0x0000022a, /* mpodtctrl */ + 0xa1390003, /* mpzqhwctrl */ + }; + + mmdc_init(&mparam); gd->ram_size = CONFIG_SYS_SDRAM_SIZE; diff --git a/board/freescale/ls1012ardb/ls1012ardb.c b/board/freescale/ls1012ardb/ls1012ardb.c index 50f91876ca..778434d684 100644 --- a/board/freescale/ls1012ardb/ls1012ardb.c +++ b/board/freescale/ls1012ardb/ls1012ardb.c @@ -58,7 +58,23 @@ int checkboard(void) int dram_init(void) { - mmdc_init(); + static const struct fsl_mmdc_info mparam = { + 0x05180000, /* mdctl */ + 0x00030035, /* mdpdc */ + 0x12554000, /* mdotc */ + 0xbabf7954, /* mdcfg0 */ + 0xdb328f64, /* mdcfg1 */ + 0x01ff00db, /* mdcfg2 */ + 0x00001680, /* mdmisc */ + 0x0f3c8000, /* mdref */ + 0x00002000, /* mdrwd */ + 0x00bf1023, /* mdor */ + 0x0000003f, /* mdasp */ + 0x0000022a, /* mpodtctrl */ + 0xa1390003, /* mpzqhwctrl */ + }; + + mmdc_init(&mparam); gd->ram_size = CONFIG_SYS_SDRAM_SIZE; diff --git a/drivers/ddr/fsl/fsl_mmdc.c b/drivers/ddr/fsl/fsl_mmdc.c index 1e359674da..52eec0f9e9 100644 --- a/drivers/ddr/fsl/fsl_mmdc.c +++ b/drivers/ddr/fsl/fsl_mmdc.c @@ -26,7 +26,7 @@ static void set_wait_for_bits_clear(void *ptr, u32 value, u32 bits) printf("Error: %p wait for clear timeout.\n", ptr); } -void mmdc_init(void) +void mmdc_init(const struct fsl_mmdc_info *priv) { struct mmdc_regs *mmdc = (struct mmdc_regs *)CONFIG_SYS_FSL_DDR_ADDR; unsigned int tmp; @@ -35,26 +35,26 @@ void mmdc_init(void) out_be32(&mmdc->mdscr, MDSCR_ENABLE_CON_REQ); /* 2. configure the desired timing parameters */ - out_be32(&mmdc->mdotc, CONFIG_MMDC_MDOTC); - out_be32(&mmdc->mdcfg0, CONFIG_MMDC_MDCFG0); - out_be32(&mmdc->mdcfg1, CONFIG_MMDC_MDCFG1); - out_be32(&mmdc->mdcfg2, CONFIG_MMDC_MDCFG2); + out_be32(&mmdc->mdotc, priv->mdotc); + out_be32(&mmdc->mdcfg0, priv->mdcfg0); + out_be32(&mmdc->mdcfg1, priv->mdcfg1); + out_be32(&mmdc->mdcfg2, priv->mdcfg2); /* 3. configure DDR type and other miscellaneous parameters */ - out_be32(&mmdc->mdmisc, CONFIG_MMDC_MDMISC); + out_be32(&mmdc->mdmisc, priv->mdmisc); out_be32(&mmdc->mpmur0, MMDC_MPMUR0_FRC_MSR); - out_be32(&mmdc->mdrwd, CONFIG_MMDC_MDRWD); - out_be32(&mmdc->mpodtctrl, CONFIG_MMDC_MPODTCTRL); + out_be32(&mmdc->mdrwd, priv->mdrwd); + out_be32(&mmdc->mpodtctrl, priv->mpodtctrl); /* 4. configure the required delay while leaving reset */ - out_be32(&mmdc->mdor, CONFIG_MMDC_MDOR); + out_be32(&mmdc->mdor, priv->mdor); /* 5. configure DDR physical parameters */ /* set row/column address width, burst length, data bus width */ - tmp = CONFIG_MMDC_MDCTL & ~(MDCTL_SDE0 | MDCTL_SDE1); + tmp = priv->mdctl & ~(MDCTL_SDE0 | MDCTL_SDE1); out_be32(&mmdc->mdctl, tmp); /* configure address space partition */ - out_be32(&mmdc->mdasp, CONFIG_MMDC_MDASP); + out_be32(&mmdc->mdasp, priv->mdasp); /* 6. perform a ZQ calibration - not needed here, doing in #8b */ @@ -84,7 +84,7 @@ void mmdc_init(void) out_be32(&mmdc->mdscr, CMD_ADDR_MSB_MR_OP(0x4) | MDSCR_ENABLE_CON_REQ | CMD_ZQ_CALIBRATION | CMD_BANK_ADDR_0); - set_wait_for_bits_clear(&mmdc->mpzqhwctrl, CONFIG_MMDC_MPZQHWCTRL, + set_wait_for_bits_clear(&mmdc->mpzqhwctrl, priv->mpzqhwctrl, MPZQHWCTRL_ZQ_HW_FORCE); /* 9a. calibrations now, wr lvl */ @@ -116,11 +116,11 @@ void mmdc_init(void) out_be32(&mmdc->mppdcmpr2, MPPDCMPR2_MPR_COMPARE_EN); /* set absolute read delay offset */ -#if defined(CONFIG_MMDC_MPRDDLCTL) - out_be32(&mmdc->mprddlctl, CONFIG_MMDC_MPRDDLCTL); -#else - out_be32(&mmdc->mprddlctl, MMDC_MPRDDLCTL_DEFAULT_DELAY); -#endif + if (priv->mprddlctl) + out_be32(&mmdc->mprddlctl, priv->mprddlctl); + else + out_be32(&mmdc->mprddlctl, MMDC_MPRDDLCTL_DEFAULT_DELAY); + set_wait_for_bits_clear(&mmdc->mpdgctrl0, AUTO_RD_DQS_GATING_CALIBRATION_EN, AUTO_RD_DQS_GATING_CALIBRATION_EN); @@ -142,13 +142,13 @@ void mmdc_init(void) CMD_BANK_ADDR_3); /* 10. configure power-down, self-refresh entry, exit parameters */ - out_be32(&mmdc->mdpdc, CONFIG_MMDC_MDPDC); + out_be32(&mmdc->mdpdc, priv->mdpdc); out_be32(&mmdc->mapsr, MMDC_MAPSR_PWR_SAV_CTRL_STAT); /* 11. ZQ config again? do nothing here */ /* 12. refresh scheme */ - set_wait_for_bits_clear(&mmdc->mdref, CONFIG_MMDC_MDREF, + set_wait_for_bits_clear(&mmdc->mdref, priv->mdref, MDREF_START_REFRESH); /* 13. disable CON_REQ */ diff --git a/include/configs/ls1012afrdm.h b/include/configs/ls1012afrdm.h index 136d648f30..612f243eec 100644 --- a/include/configs/ls1012afrdm.h +++ b/include/configs/ls1012afrdm.h @@ -20,22 +20,6 @@ #define CONFIG_SYS_MEMTEST_START 0x80000000 #define CONFIG_SYS_MEMTEST_END 0x9fffffff -/* DDR board-specific timing parameters */ -#define CONFIG_MMDC_MDCTL 0x04180000 -#define CONFIG_MMDC_MDPDC 0x00030035 -#define CONFIG_MMDC_MDOTC 0x12554000 -#define CONFIG_MMDC_MDCFG0 0xbabf7954 -#define CONFIG_MMDC_MDCFG1 0xdb328f64 -#define CONFIG_MMDC_MDCFG2 0x01ff00db -#define CONFIG_MMDC_MDMISC 0x00001680 -#define CONFIG_MMDC_MDREF 0x0f3c8000 -#define CONFIG_MMDC_MDRWD 0x00002000 -#define CONFIG_MMDC_MDOR 0x00bf1023 -#define CONFIG_MMDC_MDASP 0x0000003f -#define CONFIG_MMDC_MPODTCTRL 0x0000022a -#define CONFIG_MMDC_MPZQHWCTRL 0xa1390003 - - /* * USB */ diff --git a/include/configs/ls1012aqds.h b/include/configs/ls1012aqds.h index b6d12dda74..54abf300e7 100644 --- a/include/configs/ls1012aqds.h +++ b/include/configs/ls1012aqds.h @@ -19,22 +19,6 @@ #define CONFIG_SYS_MEMTEST_START 0x80000000 #define CONFIG_SYS_MEMTEST_END 0x9fffffff -/* DDR board-specific timing parameters */ -#define CONFIG_MMDC_MDCTL 0x05180000 -#define CONFIG_MMDC_MDPDC 0x00030035 -#define CONFIG_MMDC_MDOTC 0x12554000 -#define CONFIG_MMDC_MDCFG0 0xbabf7954 -#define CONFIG_MMDC_MDCFG1 0xdb328f64 -#define CONFIG_MMDC_MDCFG2 0x01ff00db -#define CONFIG_MMDC_MDMISC 0x00001680 -#define CONFIG_MMDC_MDREF 0x0f3c8000 -#define CONFIG_MMDC_MDRWD 0x00002000 -#define CONFIG_MMDC_MDOR 0x00bf1023 -#define CONFIG_MMDC_MDASP 0x0000003f -#define CONFIG_MMDC_MPODTCTRL 0x0000022a -#define CONFIG_MMDC_MPZQHWCTRL 0xa1390003 - - /* * QIXIS Definitions */ diff --git a/include/configs/ls1012ardb.h b/include/configs/ls1012ardb.h index 2076ce509e..0c13ddeff5 100644 --- a/include/configs/ls1012ardb.h +++ b/include/configs/ls1012ardb.h @@ -19,21 +19,6 @@ #define CONFIG_SYS_MEMTEST_START 0x80000000 #define CONFIG_SYS_MEMTEST_END 0x9fffffff -/* DDR board-specific timing parameters */ -#define CONFIG_MMDC_MDCTL 0x05180000 -#define CONFIG_MMDC_MDPDC 0x00030035 -#define CONFIG_MMDC_MDOTC 0x12554000 -#define CONFIG_MMDC_MDCFG0 0xbabf7954 -#define CONFIG_MMDC_MDCFG1 0xdb328f64 -#define CONFIG_MMDC_MDCFG2 0x01ff00db -#define CONFIG_MMDC_MDMISC 0x00001680 -#define CONFIG_MMDC_MDREF 0x0f3c8000 -#define CONFIG_MMDC_MDRWD 0x00002000 -#define CONFIG_MMDC_MDOR 0x00bf1023 -#define CONFIG_MMDC_MDASP 0x0000003f -#define CONFIG_MMDC_MPODTCTRL 0x0000022a -#define CONFIG_MMDC_MPZQHWCTRL 0xa1390003 - /* * USB */ diff --git a/include/fsl_mmdc.h b/include/fsl_mmdc.h index 1d09ff4cb1..d5c4f8d59a 100644 --- a/include/fsl_mmdc.h +++ b/include/fsl_mmdc.h @@ -150,10 +150,23 @@ struct mmdc_regs { u32 mpdccr; }; -void mmdc_init(void); +struct fsl_mmdc_info { + u32 mdctl; + u32 mdpdc; + u32 mdotc; + u32 mdcfg0; + u32 mdcfg1; + u32 mdcfg2; + u32 mdmisc; + u32 mdref; + u32 mdrwd; + u32 mdor; + u32 mdasp; + u32 mpodtctrl; + u32 mpzqhwctrl; + u32 mprddlctl; +}; -#if !defined(CONFIG_MMDC_MDCTL) -#error Must configure board-specific timing CONFIG_MMDC_* in .h for MMDC -#endif +void mmdc_init(const struct fsl_mmdc_info *); #endif /* FSL_MMDC_H */ -- cgit v1.2.3