[PATCH 2/5] ARM: i.MX6Q: add imx6_get_mmdc_sdram_size

[Marco Felsch]

Add a helper to query the MMDC configured SDRAM size.

Signed-off-by: Marco Felsch <m.fel...@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