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 --- board/freescale/ls1012afrdm/ls1012afrdm.c | 116 ------------------------------ board/freescale/ls1012aqds/ls1012aqds.c | 116 ------------------------------ board/freescale/ls1012ardb/ls1012ardb.c | 116 ------------------------------ 3 files changed, 348 deletions(-) (limited to 'board/freescale') diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c index 5a2b1f4..d644e94 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 874c122..188b6bc 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 6598ab3..50f9187 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(); -- cgit v1.1