[U-Boot] [PATCH 01/12] arm: omap5+: Add board specific ldo powering
Lokesh Vutla
lokeshvutla at ti.com
Sat Aug 12 06:29:22 UTC 2017
It is not necessary all omap5+ based uses the same PMIC
to poweron mmc. So add support for enabling mmc based on board.
Signed-off-by: Lokesh Vutla <lokeshvutla at ti.com>
---
arch/arm/include/asm/omap_mmc.h | 1 +
arch/arm/mach-omap2/omap5/hwinit.c | 16 ++++++----------
board/ti/dra7xx/evm.c | 14 ++++++++++++++
3 files changed, 21 insertions(+), 10 deletions(-)
diff --git a/arch/arm/include/asm/omap_mmc.h b/arch/arm/include/asm/omap_mmc.h
index f6eb51ee3c..fd33408622 100644
--- a/arch/arm/include/asm/omap_mmc.h
+++ b/arch/arm/include/asm/omap_mmc.h
@@ -174,4 +174,5 @@ int omap_mmc_init(int dev_index, uint host_caps_mask, uint f_max, int cd_gpio,
int wp_gpio);
void vmmc_pbias_config(uint voltage);
+void board_mmc_poweron_ldo(uint voltage);
#endif /* OMAP_MMC_H_ */
diff --git a/arch/arm/mach-omap2/omap5/hwinit.c b/arch/arm/mach-omap2/omap5/hwinit.c
index afe59e0b58..42b0d6121c 100644
--- a/arch/arm/mach-omap2/omap5/hwinit.c
+++ b/arch/arm/mach-omap2/omap5/hwinit.c
@@ -455,10 +455,14 @@ void v7_arch_cp15_set_acr(u32 acr, u32 cpu_midr, u32 cpu_rev_comb,
}
#if defined(CONFIG_PALMAS_POWER)
+__weak void board_mmc_poweron_ldo(uint voltage)
+{
+ palmas_mmc1_poweron_ldo(voltage);
+
+}
void vmmc_pbias_config(uint voltage)
{
u32 value = 0;
- struct vcores_data const *vcores = *omap_vcores;
value = readl((*ctrl)->control_pbias);
value &= ~SDCARD_PWRDNZ;
@@ -467,15 +471,7 @@ void vmmc_pbias_config(uint voltage)
value &= ~SDCARD_BIAS_PWRDNZ;
writel(value, (*ctrl)->control_pbias);
- if (vcores->core.pmic->i2c_slave_addr == 0x60) {
- if (voltage == LDO_VOLT_3V0)
- voltage = 0x19;
- else if (voltage == LDO_VOLT_1V8)
- voltage = 0xa;
- lp873x_mmc1_poweron_ldo(voltage);
- } else {
- palmas_mmc1_poweron_ldo(voltage);
- }
+ board_mmc_poweron_ldo(voltage);
value = readl((*ctrl)->control_pbias);
value |= SDCARD_BIAS_PWRDNZ;
diff --git a/board/ti/dra7xx/evm.c b/board/ti/dra7xx/evm.c
index 7d36f03fa1..e202ebf207 100644
--- a/board/ti/dra7xx/evm.c
+++ b/board/ti/dra7xx/evm.c
@@ -710,6 +710,20 @@ int board_mmc_init(bd_t *bis)
omap_mmc_init(1, 0, 0, -1, -1);
return 0;
}
+
+void board_mmc_poweron_ldo(uint voltage)
+{
+ if (board_is_dra71x_evm()) {
+ if (voltage == LDO_VOLT_3V0)
+ voltage = 0x19;
+ else if (voltage == LDO_VOLT_1V8)
+ voltage = 0xa;
+ lp873x_mmc1_poweron_ldo(voltage);
+ } else {
+ palmas_mmc1_poweron_ldo(voltage);
+ }
+
+}
#endif
#ifdef CONFIG_USB_DWC3
--
2.13.0
More information about the U-Boot
mailing list