driver/ddr/fsl: Add general MMDC driver and reuse common MMDC driver for ls1012a
authorShengzhou Liu <Shengzhou.Liu@nxp.com>
Fri, 26 Aug 2016 10:30:39 +0000 (18:30 +0800)
committerYork Sun <york.sun@nxp.com>
Wed, 14 Sep 2016 21:08:22 +0000 (14:08 -0700)
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 <Shengzhou.Liu@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
Makefile
arch/arm/include/asm/arch-fsl-layerscape/config.h
board/freescale/ls1012afrdm/ls1012afrdm.c
board/freescale/ls1012aqds/ls1012aqds.c
board/freescale/ls1012ardb/ls1012ardb.c
drivers/ddr/fsl/Makefile
drivers/ddr/fsl/fsl_mmdc.c [new file with mode: 0644]
include/configs/ls1012afrdm.h
include/configs/ls1012aqds.h
include/configs/ls1012ardb.h
include/fsl_mmdc.h

index 1cf15cefd12ce02dedfc0524e41457936c7f1f2c..be3e60d573d06ed5f368fb06fcfb1535c0051d46 100644 (file)
--- 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/
index 9ccdcfa4ecfccce85382dd169b863a92641f61ca..3eb7e3c983f800bfa3ed3789f2484be515e4137f 100644 (file)
@@ -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
index 5a2b1f48fe4a316abfe0001fb3652b84fc7717c7..d644e9423b5834caeefb30ea601e3a70681ba089 100644 (file)
 
 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();
index 874c122725d45be4e8b996c19738bdc50dcf6fb3..188b6bc9797d44765a7dc361be1e387ab5002fe4 100644 (file)
 
 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();
index 6598ab37eec30bbe5ffc00ded3c0b816308af6ff..50f91876ca0e2abebf62240450e58e9adefd69a7 100644 (file)
 
 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();
index 01ea86217c0ecfcee9b9c597ad1a79c411147a2c..00dea428e3a9fd15495cf6589a2c8425f7823b67 100644 (file)
@@ -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 (file)
index 0000000..1e35967
--- /dev/null
@@ -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 <common.h>
+#include <fsl_mmdc.h>
+#include <asm/io.h>
+
+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);
+}
index 19ad1948caacdcb2b86e917b68ecaf5e61582a4b..136d648f3058c6895c4ec8b62da8bd0c39611a79 100644 (file)
@@ -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
 */
index 75b60fa3a3915fb63bc6906ad13166b972873c27..b6d12dda74c0885718b3f1d8d5ed5239bc00a922 100644 (file)
@@ -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
index d3117e78e20a30ea8e1a9eb9ba08fc2fff652ce2..2076ce509e22bf54aac2d91e8e45df101d557b41 100644 (file)
@@ -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
 */
index a939d89d6bc0d3436d126f13d53b5951a081b370..1d09ff4cb1ba7d421daa3a5a57f8554790dc6253 100644 (file)
@@ -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
 #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 <board>.h for MMDC
+#endif
+
 #endif /* FSL_MMDC_H */