| 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 |
| |