diff options
| author | Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de> | 2007-07-17 22:36:09 +0100 |
|---|---|---|
| committer | Russell King <rmk+kernel@arm.linux.org.uk> | 2007-07-20 10:00:42 +0100 |
| commit | 3945a567d0c1d6721994a88f58f028c27d8249d2 (patch) | |
| tree | 0b8d20a7862ae4c90da803559c0eea9853c3bd08 | |
| parent | f4ae6413f4d4889c8bf3fb90939d967ced65ece7 (diff) | |
[ARM] 4487/1: ns9xxx: complete definition of GPIO related registers
I changed the naming to be more obvious---unfortunately the HRM
doesn't specify these.
Moreover the numbering is changed to be zero indexed as this is more
natural.
Adjust all callers.
Signed-off-by: Uwe Kleine-König <ukleinek@informatik.uni-freiburg.de>
Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
| -rw-r--r-- | arch/arm/mach-ns9xxx/board-a9m9750dev.c | 3 | ||||
| -rw-r--r-- | include/asm-arm/arch-ns9xxx/regs-bbu.h | 28 |
2 files changed, 27 insertions, 4 deletions
diff --git a/arch/arm/mach-ns9xxx/board-a9m9750dev.c b/arch/arm/mach-ns9xxx/board-a9m9750dev.c index 6eee8084b61..925048e7adf 100644 --- a/arch/arm/mach-ns9xxx/board-a9m9750dev.c +++ b/arch/arm/mach-ns9xxx/board-a9m9750dev.c @@ -91,7 +91,7 @@ void __init board_a9m9750dev_init_irq(void) * use GPIO 11, because GPIO 32 is used for the LCD */ /* XXX: proper GPIO handling */ - BBU_GC(2) &= ~0x2000; + BBU_GCONFb1(1) &= ~0x2000; for (i = FPGA_IRQ(0); i <= FPGA_IRQ(7); ++i) { set_irq_chip(i, &a9m9750dev_fpga_chip); @@ -196,4 +196,3 @@ void __init board_a9m9750dev_init_machine(void) platform_add_devices(board_a9m9750dev_devices, ARRAY_SIZE(board_a9m9750dev_devices)); } - diff --git a/include/asm-arm/arch-ns9xxx/regs-bbu.h b/include/asm-arm/arch-ns9xxx/regs-bbu.h index e2626954624..7ee194dc635 100644 --- a/include/asm-arm/arch-ns9xxx/regs-bbu.h +++ b/include/asm-arm/arch-ns9xxx/regs-bbu.h @@ -15,7 +15,31 @@ /* BBus Utility */ -/* GPIO Configuration Register */ -#define BBU_GC(x) __REG2(0x9060000c, (x)) +/* GPIO Configuration Registers block 1 */ +/* NOTE: the HRM starts counting at 1 for the GPIO registers, here the start is + * at 0 for each block. That is, BBU_GCONFb1(0) is GPIO Configuration Register + * #1, BBU_GCONFb2(0) is GPIO Configuration Register #8. */ +#define BBU_GCONFb1(x) __REG2(0x90600010, (x)) +#define BBU_GCONFb2(x) __REG2(0x90600100, (x)) + +#define BBU_GCONFx_DIR(m) __REGBIT(3 + (((m) & 7) << 2)) +#define BBU_GCONFx_DIR_INPUT(m) __REGVAL(BBU_GCONFx_DIR(m), 0) +#define BBU_GCONFx_DIR_OUTPUT(m) __REGVAL(BBU_GCONFx_DIR(m), 1) +#define BBU_GCONFx_INV(m) __REGBIT(2 + (((m) & 7) << 2)) +#define BBU_GCONFx_INV_NO(m) __REGVAL(BBU_GCONFx_INV(m), 0) +#define BBU_GCONFx_INV_YES(m) __REGVAL(BBU_GCONFx_INV(m), 1) +#define BBU_GCONFx_FUNC(m) __REGBITS(1 + (((m) & 7) << 2), ((m) & 7) << 2) +#define BBU_GCONFx_FUNC_0(m) __REGVAL(BBU_GCONFx_FUNC(m), 0) +#define BBU_GCONFx_FUNC_1(m) __REGVAL(BBU_GCONFx_FUNC(m), 1) +#define BBU_GCONFx_FUNC_2(m) __REGVAL(BBU_GCONFx_FUNC(m), 2) +#define BBU_GCONFx_FUNC_3(m) __REGVAL(BBU_GCONFx_FUNC(m), 3) + +#define BBU_GCTRL1 __REG(0x90600030) +#define BBU_GCTRL2 __REG(0x90600034) +#define BBU_GCTRL3 __REG(0x90600120) + +#define BBU_GSTAT1 __REG(0x90600040) +#define BBU_GSTAT2 __REG(0x90600044) +#define BBU_GSTAT3 __REG(0x90600130) #endif /* ifndef __ASM_ARCH_REGSBBU_H */ |