blob: 7366a1f109c8eff39fd9a517753f42370cfc712c [file] [log] [blame]
From a7207f19ccbbdebb55b3cee4dc81fec52edfb426 Mon Sep 17 00:00:00 2001
From: Kuninori Morimoto <kuninori.morimoto.gx@renesas.com>
Date: Thu, 10 Oct 2013 23:35:34 -0700
Subject: 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>
(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 --git a/arch/arm/mach-shmobile/board-bockw-reference.c b/arch/arm/mach-shmobile/board-bockw-reference.c
index fac95a4d6553..027373f8de82 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);
}
--
1.8.5.rc3