[PATCH 05/14] ARM: i.MX6Q: add imx6_get_mmdc_sdram_size

[Sascha Hauer <s.hauer@pengutronix.de>]

From: Marco Felsch <m.felsch@pengutronix.de>

Add a helper to query the MMDC configured SDRAM size.

Reviewed-by: Ahmad Fatoum <a.fatoum@pengutronix.de>
Signed-off-by: Marco Felsch <m.felsch@pengutronix.de>
Signed-off-by: Sascha Hauer <s.hauer@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 4b67b52ca45eea178889dfc5554a8a9a8ddf51b7..4c4c3528e1a6e68c508edc48ad38c9e2e6324c1c 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, const 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 d79bf17959e6d46d19af35be8c10003007d21223..97bd444b1a4ca2defdeb9f82180c0366296a32a0 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