bus: ti-sysc: Implement GPMC debug quirk to drop platform data
We need to enable no-reset-on-init quirk for GPMC if the config
option for CONFIG_OMAP_GPMC_DEBUG is set. Otherwise the GPMC
driver code is unable to show the bootloader configured timings.
Signed-off-by: Tony Lindgren <tony@atomide.com>
diff --git a/drivers/bus/ti-sysc.c b/drivers/bus/ti-sysc.c
index 88a5d22..691cc39 100644
--- a/drivers/bus/ti-sysc.c
+++ b/drivers/bus/ti-sysc.c
@@ -1383,6 +1383,8 @@ static const struct sysc_revision_quirk sysc_revision_quirks[] = {
SYSC_QUIRK_CLKDM_NOAUTO),
SYSC_QUIRK("dwc3", 0x488c0000, 0, 0x10, -ENODEV, 0x500a0200, 0xffffffff,
SYSC_QUIRK_CLKDM_NOAUTO),
+ SYSC_QUIRK("gpmc", 0, 0, 0x10, 0x14, 0x00000060, 0xffffffff,
+ SYSC_QUIRK_GPMC_DEBUG),
SYSC_QUIRK("hdmi", 0, 0, 0x10, -ENODEV, 0x50030200, 0xffffffff,
SYSC_QUIRK_OPT_CLKS_NEEDED),
SYSC_QUIRK("hdq1w", 0, 0, 0x14, 0x18, 0x00000006, 0xffffffff,
@@ -1818,6 +1820,14 @@ static void sysc_init_module_quirks(struct sysc *ddata)
return;
}
+#ifdef CONFIG_OMAP_GPMC_DEBUG
+ if (ddata->cfg.quirks & SYSC_QUIRK_GPMC_DEBUG) {
+ ddata->cfg.quirks |= SYSC_QUIRK_NO_RESET_ON_INIT;
+
+ return;
+ }
+#endif
+
if (ddata->cfg.quirks & SYSC_MODULE_QUIRK_I2C) {
ddata->pre_reset_quirk = sysc_pre_reset_quirk_i2c;
ddata->post_reset_quirk = sysc_post_reset_quirk_i2c;