ARM: imx: add suspend in ocram support for i.mx6sl

i.MX6SL's suspend in ocram function is derived from i.MX6Q,
it can lower the DDR IO power from ~10mA@1.2V to ~1mA@1.2V,
measured on i.MX6SL EVK board, SH5.

Signed-off-by: Anson Huang <b20788@freescale.com>
Signed-off-by: Shawn Guo <shawn.guo@linaro.org>

1 files changed, 19 insertions, 1 deletions

diff --git a/arch/arm/mach-imx/pm-imx6q.c b/arch/arm/mach-imx/pm-imx6q.c
index 4155161b57d7..a9a187d54e68 100644
--- a/arch/arm/mach-imx/pm-imx6q.c
+++ b/arch/arm/mach-imx/pm-imx6q.c
@@ -121,6 +121,14 @@ static const u32 imx6dl_mmdc_io_offset[] __initconst = {
 	0x74c,			    /* GPR_ADDS */
 };
 
+static const u32 imx6sl_mmdc_io_offset[] __initconst = {
+	0x30c, 0x310, 0x314, 0x318, /* DQM0 ~ DQM3 */
+	0x5c4, 0x5cc, 0x5d4, 0x5d8, /* GPR_B0DS ~ GPR_B3DS */
+	0x300, 0x31c, 0x338, 0x5ac, /* CAS, RAS, SDCLK_0, GPR_ADDS */
+	0x33c, 0x340, 0x5b0, 0x5c0, /* SODT0, SODT1, MODE_CTL, MODE */
+	0x330, 0x334, 0x320,        /* SDCKE0, SDCKE1, RESET */
+};
+
 static const struct imx6_pm_socdata imx6q_pm_data __initconst = {
 	.cpu_type = MXC_CPU_IMX6Q,
 	.mmdc_compat = "fsl,imx6q-mmdc",
@@ -141,6 +149,16 @@ static const struct imx6_pm_socdata imx6dl_pm_data __initconst = {
 	.mmdc_io_offset = imx6dl_mmdc_io_offset,
 };
 
+static const struct imx6_pm_socdata imx6sl_pm_data __initconst = {
+	.cpu_type = MXC_CPU_IMX6SL,
+	.mmdc_compat = "fsl,imx6sl-mmdc",
+	.src_compat = "fsl,imx6sl-src",
+	.iomuxc_compat = "fsl,imx6sl-iomuxc",
+	.gpc_compat = "fsl,imx6sl-gpc",
+	.mmdc_io_num = ARRAY_SIZE(imx6sl_mmdc_io_offset),
+	.mmdc_io_offset = imx6sl_mmdc_io_offset,
+};
+
 /*
  * This structure is for passing necessary data for low level ocram
  * suspend code(arch/arm/mach-imx/suspend-imx6.S), if this struct
@@ -530,5 +548,5 @@ void __init imx6dl_pm_init(void)
 
 void __init imx6sl_pm_init(void)
 {
-	imx6_pm_common_init(NULL);
+	imx6_pm_common_init(&imx6sl_pm_data);
 }