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authorBin Meng <bmeng.cn@gmail.com>2014-12-17 15:50:38 +0800
committerSimon Glass <sjg@chromium.org>2014-12-18 17:26:06 -0700
commitb71eec3129c2626bfb1e98141b317d958e3cf384 (patch)
tree960f136fd30d146892608b46f8eeff49c90c6f25 /arch/x86/include
parent0f61de8d9dba4ebfc4ea4b2da7f91adc937b3875 (diff)
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x86: ich6-gpio: Add Intel Tunnel Creek GPIO support
Intel Tunnel Creek GPIO register block is compatible with current ich6-gpio driver, except the offset and content of GPIO block base address register in the LPC PCI configuration space are different. Use u16 instead of u32 to store the 16-bit I/O address of the GPIO registers so that it could support both Ivybridge and Tunnel Creek. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/x86/include')
-rw-r--r--arch/x86/include/asm/arch-queensbay/gpio.h13
-rw-r--r--arch/x86/include/asm/gpio.h4
2 files changed, 15 insertions, 2 deletions
diff --git a/arch/x86/include/asm/arch-queensbay/gpio.h b/arch/x86/include/asm/arch-queensbay/gpio.h
new file mode 100644
index 0000000..ab4e059
--- /dev/null
+++ b/arch/x86/include/asm/arch-queensbay/gpio.h
@@ -0,0 +1,13 @@
+/*
+ * Copyright (C) 2014, Bin Meng <bmeng.cn@gmail.com>
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#ifndef _X86_ARCH_GPIO_H_
+#define _X86_ARCH_GPIO_H_
+
+/* Where in config space is the register that points to the GPIO registers? */
+#define PCI_CFG_GPIOBASE 0x44
+
+#endif /* _X86_ARCH_GPIO_H_ */
diff --git a/arch/x86/include/asm/gpio.h b/arch/x86/include/asm/gpio.h
index 1787e52..1099427 100644
--- a/arch/x86/include/asm/gpio.h
+++ b/arch/x86/include/asm/gpio.h
@@ -11,7 +11,7 @@
#include <asm-generic/gpio.h>
struct ich6_bank_platdata {
- uint32_t base_addr;
+ uint16_t base_addr;
const char *bank_name;
};
@@ -147,7 +147,7 @@ struct pch_gpio_map {
} set3;
};
-void setup_pch_gpios(u32 gpiobase, const struct pch_gpio_map *gpio);
+void setup_pch_gpios(u16 gpiobase, const struct pch_gpio_map *gpio);
void ich_gpio_set_gpio_map(const struct pch_gpio_map *map);
#endif /* _X86_GPIO_H_ */