diff mbox series

[v1,2/9] stm32mp: dram_init: Get RAM size from DT if no RAM driver found

Message ID 20231027144002.1001881-3-patrice.chotard@foss.st.com
State Rejected
Delegated to: Patrick Delaunay
Headers show
Series Add STM32MP2 SoCs and STM32MP257F-EV board support | expand

Commit Message

Patrice CHOTARD Oct. 27, 2023, 2:39 p.m. UTC 
From: Patrice Chotard <patrice.chotard@st.com>

In case there is no RAM driver retrieve RAM size from DT as fallback.

Signed-off-by: Patrice Chotard <patrice.chotard@st.com>
Signed-off-by: Patrice Chotard <patrice.chotard@foss.st.com>
---

 arch/arm/mach-stm32mp/dram_init.c | 7 +++++--
 1 file changed, 5 insertions(+), 2 deletions(-)
diff mbox series

Patch

diff --git a/arch/arm/mach-stm32mp/dram_init.c b/arch/arm/mach-stm32mp/dram_init.c
index 7f37b0d2aa2..a1e77a42e4f 100644
--- a/arch/arm/mach-stm32mp/dram_init.c
+++ b/arch/arm/mach-stm32mp/dram_init.c
@@ -24,8 +24,11 @@  int dram_init(void)
 	int ret;
 
 	ret = uclass_get_device(UCLASS_RAM, 0, &dev);
-	if (ret) {
-		log_debug("RAM init failed: %d\n", ret);
+	/* in case there is no RAM driver, retrieve DDR size from DT */
+	if (ret == -ENODEV) {
+		return fdtdec_setup_mem_size_base();
+	} else if (ret) {
+		log_err("RAM init failed: %d\n", ret);
 		return ret;
 	}
 	ret = ram_get_info(dev, &ram);