ARM: shmobile: bockw: add pin pull-up setting for SDHI

SDHI CD/WP pin needs pull-up

Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>

1 files changed, 15 insertions, 0 deletions

diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c
index c7b217d4d1c1..6586f5c40af2 100644
--- a/arch/arm/mach-shmobile/board-bockw-reference.c
+++ b/arch/arm/mach-shmobile/board-bockw-reference.c
@@ -38,9 +38,13 @@ static const struct pinctrl_map bockw_pinctrl_map[] = {
 #define FPGA    0x18200000
 #define IRQ0MR  0x30
 #define COMCTLR 0x101c
+
+#define PFC     0xfffc0000
+#define PUPR4   0x110
 static void __init bockw_init(void)
 {
         void __iomem *fpga;
+        void __iomem *pfc;
 
         r8a7778_clock_init();
         r8a7778_init_irq_extpin_dt(1);
@@ -66,6 +70,17 @@ static void __init bockw_init(void)
                 iounmap(fpga);
         }
 
+        pfc = ioremap_nocache(PFC, 0x200);
+        if (pfc) {
+                /*
+                 * FIXME
+                 *
+                 * SDHI CD/WP pin needs pull-up
+                 */
+                iowrite32(ioread32(pfc + PUPR4) | (3 << 26), pfc + PUPR4);
+                iounmap(pfc);
+        }
+
         of_platform_populate(NULL, of_default_bus_match_table, NULL, NULL);
 }