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[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>
This commit is contained in:
Uwe Kleine-König 2007-07-17 22:36:09 +01:00 committed by Russell King
parent f4ae6413f4
commit 3945a567d0
2 changed files with 27 additions and 4 deletions
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3
arch/arm/mach-ns9xxx/board-a9m9750dev.c
View File

@ -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));
}

28
include/asm-arm/arch-ns9xxx/regs-bbu.h
View File

@ -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 */