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authorLey Foon Tan <ley.foon.tan@intel.com>2019-03-22 01:24:00 +0800
committerMarek Vasut <marex@denx.de>2019-04-17 22:20:17 +0200
commitb6f7ee5d1f980ffa63e22749e2deae6caa57227e (patch)
treebe6a1701360ae56a7e85ae9a3d0aac194ac45101 /drivers/ddr
parentc5de2b7eae68ac27da78c32cdf0845126a0d1a77 (diff)
ddr: altera: stratix10: Move SDRAM size check to SDRAM driver
Move SDRAM size check to SDRAM driver. sdram_calculate_size() is called in SDRAM initialization already, avoid calling twice in size check function. Signed-off-by: Ley Foon Tan <ley.foon.tan@intel.com>
Diffstat (limited to 'drivers/ddr')
-rw-r--r--drivers/ddr/altera/sdram_s10.c15
1 files changed, 15 insertions, 0 deletions
diff --git a/drivers/ddr/altera/sdram_s10.c b/drivers/ddr/altera/sdram_s10.c
index a48567c109..033ccca437 100644
--- a/drivers/ddr/altera/sdram_s10.c
+++ b/drivers/ddr/altera/sdram_s10.c
@@ -134,6 +134,17 @@ static int poll_hmc_clock_status(void)
SYSMGR_HMC_CLK_STATUS_MSK, true, 1000, false);
}
+static void sdram_size_check(void)
+{
+ /* Sanity check ensure correct SDRAM size specified */
+ debug("DDR: Running SDRAM size sanity check\n");
+ if (get_ram_size(0, gd->ram_size) != gd->ram_size) {
+ puts("DDR: SDRAM size check failed!\n");
+ hang();
+ }
+ debug("DDR: SDRAM size check passed!\n");
+}
+
/**
* sdram_mmr_init_full() - Function to initialize SDRAM MMR
*
@@ -339,6 +350,8 @@ int sdram_mmr_init_full(unsigned int unused)
else
gd->ram_size = size;
+ printf("DDR: %lld MiB\n", gd->ram_size >> 20);
+
/* Enable or disable the SDRAM ECC */
if (CTRLCFG1_CFG_CTRL_EN_ECC(ctrlcfg1)) {
setbits_le32(SOCFPGA_SDR_ADDRESS + ECCCTRL1,
@@ -361,6 +374,8 @@ int sdram_mmr_init_full(unsigned int unused)
DDR_HMC_ECCCTL2_AWB_EN_SET_MSK));
}
+ sdram_size_check();
+
debug("DDR: HMC init success\n");
return 0;
}