diff options
Diffstat (limited to 'board/freescale/ls1012afrdm')
-rw-r--r-- | board/freescale/ls1012afrdm/ls1012afrdm.c | 139 |
1 files changed, 17 insertions, 122 deletions
diff --git a/board/freescale/ls1012afrdm/ls1012afrdm.c b/board/freescale/ls1012afrdm/ls1012afrdm.c index a94a458f53d..b03bdb82c67 100644 --- a/board/freescale/ls1012afrdm/ls1012afrdm.c +++ b/board/freescale/ls1012afrdm/ls1012afrdm.c @@ -11,27 +11,12 @@ #include <asm/arch/fsl_serdes.h> #include <asm/arch/soc.h> #include <hwconfig.h> -#include <fsl_csu.h> #include <environment.h> #include <fsl_mmdc.h> #include <netdev.h> 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 "); @@ -39,111 +24,25 @@ 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(); + 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; @@ -175,10 +74,6 @@ int board_init(void) gd->env_addr = (ulong)&default_environment[0]; #endif -#ifdef CONFIG_LAYERSCAPE_NS_ACCESS - enable_layerscape_ns_access(); -#endif - return 0; } |