Original values used when WB15 support was upstreamed were taken from
EVK, but original U-Boot port, we had been running for years now, is
configured differently and is known to be stable. Revert to those values.
Signed-off-by: Ahmad Fatoum <a.fatoum@xxxxxxxxxxxxxx>
---
.../arm/boards/innocomm-imx8mm-wb15/lowlevel.c | 18 ++++++++++++++----
1 file changed, 14 insertions(+), 4 deletions(-)
diff --git a/arch/arm/boards/innocomm-imx8mm-wb15/lowlevel.c b/arch/arm/boards/innocomm-imx8mm-wb15/lowlevel.c
index 2077d3c88eb2..f7753bd32671 100644
--- a/arch/arm/boards/innocomm-imx8mm-wb15/lowlevel.c
+++ b/arch/arm/boards/innocomm-imx8mm-wb15/lowlevel.c
@@ -35,14 +35,24 @@ static void setup_uart(void)
}
static struct pmic_config bd71837_cfg[] = {
+ /* unlock the PMIC regs */
+ { BD718XX_REGLOCK, 0x0 },
+ /* retry powering up indefinitely every 250ms after VR fault */
+ { BD718XX_RCVCFG, 0xfc },
/* decrease RESET key long push time from the default 10s to 10ms */
{ BD718XX_PWRONCONFIG1, 0x0 },
- /* unlock the PMIC regs */
- { BD718XX_REGLOCK, 0x1 },
+ /* WDOG_B: Warm Reset */
+ { BD718XX_PWRCTRL0, 0xa3 },
+ /* READY=>SNVS on PMIC_ON_REQ, SNVS=>RUN on VSYS_UVLO */
+ { BD718XX_TRANS_COND0, 0x48 },
+ /* WDOG_B: Go to SNVS power state after deassert */
+ { BD718XX_TRANS_COND1, 0xc0 },
/* Set VDD_SOC/VDD_DRAM to typical value 0.85v for nominal mode */
{ BD718XX_BUCK1_VOLT_RUN, 0xf },
- /* increase VDD_DRAM to 0.975v for 3Ghz DDR */
- { BD718XX_1ST_NODVS_BUCK_VOLT, 0x83 },
+ /* increase VDD_DRAM to 0.900v for 2400MT/s DDR */
+ { BD718XX_1ST_NODVS_BUCK_VOLT, 0x02 },
+ /* set BUCK8 to 1.10v */
+ { BD718XX_4TH_NODVS_BUCK_VOLT, 0x1e },
/* lock the PMIC regs */
{ BD718XX_REGLOCK, 0x11 },
};
--
2.30.2
