diff mbox

[ltsi-3.10,185/286] ARM: shmobile: bockw: add pin pull-up setting for SDHI

Message ID 1388135720-12832-186-git-send-email-horms+renesas@verge.net.au (mailing list archive)
State New, archived
Headers show

Commit Message

Simon Horman Dec. 27, 2013, 9:13 a.m. UTC 
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>

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>
(cherry picked from commit 79990c164dcc7514398ca824a609c74cb5f563da)
(Queued by Simon Horman for v3.14 but not yet in Linus's tree)
Signed-off-by: Simon Horman <horms+renesas@verge.net.au>
---
 arch/arm/mach-shmobile/board-bockw-reference.c | 15 +++++++++++++++
 1 file changed, 15 insertions(+)
diff mbox

Patch

diff --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c
index fac95a4..027373f 100644
--- a/arch/arm/mach-shmobile/board-bockw-reference.c
+++ b/arch/arm/mach-shmobile/board-bockw-reference.c
@@ -30,9 +30,13 @@ 
 #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);
@@ -54,6 +58,17 @@  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);
 }