[PATCH 2/5] ARM: i.MX6Q: add imx6_get_mmdc_sdram_size
Marco Felsch
m.felsch at pengutronix.de
Thu Jun 19 08:25:53 PDT 2025
Add a helper to query the MMDC configured SDRAM size.
Signed-off-by: Marco Felsch <m.felsch at pengutronix.de>
---
arch/arm/mach-imx/esdctl.c | 5 +++++
include/mach/imx/esdctl.h | 1 +
2 files changed, 6 insertions(+)
diff --git a/arch/arm/mach-imx/esdctl.c b/arch/arm/mach-imx/esdctl.c
index 701ca0ac1f37..7a09f43071c2 100644
--- a/arch/arm/mach-imx/esdctl.c
+++ b/arch/arm/mach-imx/esdctl.c
@@ -286,6 +286,11 @@ static inline resource_size_t imx6_mmdc_sdram_size(void __iomem *mmdcbase)
return size;
}
+resource_size_t imx6_get_mmdc_sdram_size(void)
+{
+ return imx6_mmdc_sdram_size(IOMEM(MX6_MMDC_P0_BASE_ADDR));
+}
+
static int imx6_mmdc_add_mem(void *mmdcbase, struct imx_esdctl_data *data)
{
return arm_add_mem_device("ram0", data->base0,
diff --git a/include/mach/imx/esdctl.h b/include/mach/imx/esdctl.h
index d79bf17959e6..97bd444b1a4c 100644
--- a/include/mach/imx/esdctl.h
+++ b/include/mach/imx/esdctl.h
@@ -151,6 +151,7 @@ void __noreturn imx7d_barebox_entry(void *boarddata);
void __noreturn imx93_barebox_entry(void *boarddata);
#define imx6sx_barebox_entry(boarddata) imx6ul_barebox_entry(boarddata)
void imx_esdctl_disable(void);
+resource_size_t imx6_get_mmdc_sdram_size(void);
resource_size_t imx8m_barebox_earlymem_size(unsigned buswidth);
resource_size_t imx9_ddrc_sdram_size(void);
#endif
--
2.39.5
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