leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

ARM: shmobile: bockw: add pin pull-up setting for SDHI

Browse Source 
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>
This commit is contained in:
Kuninori Morimoto 2013-10-10 23:35:34 -07:00 committed by Simon Horman
parent b6d3eba338
commit 79990c164d
1 changed files with 15 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

15
arch/arm/mach-shmobile/board-bockw-reference.c
View File

@ -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);
}