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authorPaul Mundt <lethal@linux-sh.org>2010-01-15 16:31:04 +0900
committerPaul Mundt <lethal@linux-sh.org>2010-01-15 16:31:04 +0900
commit6f832e8aab8c4c6d28629e970e4a85e74a8d0be6 (patch)
treef62382c323f2724b36d13b26b34052651e9d59a6 /arch/sh/boards
parentf0cb77372c3cf8c0cb17bbfb30a62506ea119286 (diff)
sh: mach-sdk7786: mode pins support.
This wires up the mode pins support on the SDK7786. The pins are standard SH7786 pins, and all are fixed in software. Needed for the clock framework, PCIe, and so forth. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards')
-rw-r--r--arch/sh/boards/mach-sdk7786/setup.c18
1 files changed, 18 insertions, 0 deletions
diff --git a/arch/sh/boards/mach-sdk7786/setup.c b/arch/sh/boards/mach-sdk7786/setup.c
index f2d4b75bf31..c38c6cc293b 100644
--- a/arch/sh/boards/mach-sdk7786/setup.c
+++ b/arch/sh/boards/mach-sdk7786/setup.c
@@ -218,6 +218,23 @@ static void __init init_sdk7786_IRQ(void)
plat_irq_setup_pins(IRQ_MODE_IRL3210_MASK);
}
+#define MODSWR_REGS 0x07fff830
+
+static int sdk7786_mode_pins(void)
+{
+ void __iomem *modswr;
+ int pin_states;
+
+ modswr = ioremap_nocache(MODSWR_REGS, SZ_16);
+ if (!modswr)
+ return -ENXIO;
+
+ pin_states = ioread16(modswr);
+ iounmap(modswr);
+
+ return pin_states;
+}
+
/* Initialize the board */
static void __init sdk7786_setup(char **cmdline_p)
{
@@ -230,5 +247,6 @@ static void __init sdk7786_setup(char **cmdline_p)
static struct sh_machine_vector mv_sdk7786 __initmv = {
.mv_name = "SDK7786",
.mv_setup = sdk7786_setup,
+ .mv_mode_pins = sdk7786_mode_pins,
.mv_init_irq = init_sdk7786_IRQ,
};