[PATCH 07/26] ARM: shmobile: bockw: add pin pull-up setting for SDHI
Simon Horman
horms+renesas at verge.net.au
Sun Dec 22 21:07:12 EST 2013
From: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
SDHI CD/WP pin needs pull-up
Signed-off-by: Kuninori Morimoto <kuninori.morimoto.gx at renesas.com>
Signed-off-by: Simon Horman <horms+renesas at verge.net.au>
---
arch/arm/mach-shmobile/board-bockw-reference.c | 15 +++++++++++++++
1 file changed, 15 insertions(+)
diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c
index c7b217d..6586f5c 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);
}
--
1.8.4
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