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authorJacky Bai <ping.bai@nxp.com>2019-08-08 09:59:11 +0000
committerStefano Babic <sbabic@denx.de>2019-10-08 16:36:37 +0200
commit69b8e50975c3ca623cf0f0d5bde0c93df76889e9 (patch)
tree235a5d7b2e87873631aac7a7c09647514544e662
parent825ab6b406cba74ae63a1e3373c2f0b62b855f08 (diff)
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ddr: imx8m: Fix the ddr init hang on imx8mq
On, i.MX8MQ, the PLL config must be done when ddrmix isolation is released. So move the dram pll init after iso config done. For other i.MX8M SOC, either init pll before or after isolation is ok. Signed-off-by: Jacky Bai <ping.bai@nxp.com> Signed-off-by: Peng Fan <peng.fan@nxp.com>
-rw-r--r--drivers/ddr/imx/imx8m/ddr_init.c8
1 files changed, 4 insertions, 4 deletions
diff --git a/drivers/ddr/imx/imx8m/ddr_init.c b/drivers/ddr/imx/imx8m/ddr_init.c
index 1296758..d6e915c 100644
--- a/drivers/ddr/imx/imx8m/ddr_init.c
+++ b/drivers/ddr/imx/imx8m/ddr_init.c
@@ -41,14 +41,14 @@ void ddr_init(struct dram_timing_info *dram_timing)
clock_set_target_val(DRAM_APB_CLK_ROOT, CLK_ROOT_ON | CLK_ROOT_SOURCE_SEL(4) |
CLK_ROOT_PRE_DIV(CLK_ROOT_PRE_DIV4));
- initial_drate = dram_timing->fsp_msg[0].drate;
- /* default to the frequency point 0 clock */
- ddrphy_init_set_dfi_clk(initial_drate);
-
/* disable iso */
reg32_write(0x303A00EC, 0x0000ffff); /* PGC_CPU_MAPPING */
reg32setbit(0x303A00F8, 5); /* PU_PGC_SW_PUP_REQ */
+ initial_drate = dram_timing->fsp_msg[0].drate;
+ /* default to the frequency point 0 clock */
+ ddrphy_init_set_dfi_clk(initial_drate);
+
/* D-aasert the presetn */
reg32_write(SRC_DDRC_RCR_ADDR, 0x8F000006);