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>

diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c
index c7b217d4d1c1e3c1c714e1525416fcd63983f1a1..6586f5c40af293074cf62929e9df7156bf05d2bc 100644 (file)
--- 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);
 }