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driver: ddr: fsl_mmdc: Pass board parameters through data structure

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Instead of using multiple macros, a data structure is used to pass
board-specific parameters to MMDC DDR driver.

Signed-off-by: York Sun <york.sun@nxp.com>
CC: Shengzhou Liu <Shengzhou.Liu@nxp.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
This commit is contained in:
York Sun
2016-09-26 08:09:25 -07:00
parent da28e58a7f
commit 1fdcc8dfc7
8 changed files with 87 additions and 73 deletions
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38
drivers/ddr/fsl/fsl_mmdc.c
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@@ -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 */