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MIPS: Alchemy: xxs1500: use linux gpio api. 

Replace a few GPIO register accesses in the board init code with calls to
the gpio api.

Signed-off-by: Manuel Lauss <manuel.lauss@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Manuel Lauss 2009-06-06 14:09:57 +02:00 committed by Ralf Baechle
parent bb706b28bb
commit b6c9f10517
1 changed files with 12 additions and 9 deletions
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21
arch/mips/alchemy/xxs1500/board_setup.c
View File

@ -23,6 +23,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/gpio.h>
#include <linux/init.h>
#include <linux/delay.h>
@ -50,6 +51,9 @@ void __init board_setup(void)
}
#endif
alchemy_gpio1_input_enable();
alchemy_gpio2_enable();
/* Set multiple use pins (UART3/GPIO) to UART (it's used as UART too) */
pin_func = au_readl(SYS_PINFUNC) & ~SYS_PF_UR3;
pin_func |= SYS_PF_UR3;
@ -65,20 +69,19 @@ void __init board_setup(void)
au_writel(0x01, UART3_ADDR + UART_MCR); /* UART_MCR_DTR is 0x01??? */
#ifdef CONFIG_PCMCIA_XXS1500
/* Setup PCMCIA signals */
au_writel(0, SYS_PININPUTEN);
/* GPIO 0, 1, and 4 are inputs */
au_writel(1 | (1 << 1) | (1 << 4), SYS_TRIOUTCLR);
alchemy_gpio_direction_input(0);
alchemy_gpio_direction_input(1);
alchemy_gpio_direction_input(4);
/* Enable GPIO2 if not already enabled */
au_writel(1, GPIO2_ENABLE);
/* GPIO2 208/9/10/11 are inputs */
au_writel((1 << 8) | (1 << 9) | (1 << 10) | (1 << 11), GPIO2_DIR);
alchemy_gpio_direction_input(208);
alchemy_gpio_direction_input(209);
alchemy_gpio_direction_input(210);
alchemy_gpio_direction_input(211);
/* Turn off power */
au_writel((au_readl(GPIO2_PINSTATE) & ~(1 << 14)) | (1 << 30),
GPIO2_OUTPUT);
alchemy_gpio_direction_output(214, 0);
#endif
#ifdef CONFIG_PCI