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MIPS: Alchemy: MTX-1: 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 14:09:56 +02:00 committed by Ralf Baechle
parent 51e02b02e6
commit bb706b28bb
1 changed files with 13 additions and 11 deletions
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24
arch/mips/alchemy/mtx-1/board_setup.c
View File

@ -28,6 +28,7 @@
* 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include <linux/gpio.h>
#include <linux/init.h>
#include <asm/mach-au1x00/au1000.h>
@ -55,10 +56,11 @@ void __init board_setup(void)
}
#endif
alchemy_gpio2_enable();
#if defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE)
/* Enable USB power switch */
au_writel(au_readl(GPIO2_DIR) | 0x10, GPIO2_DIR);
au_writel(0x100000, GPIO2_OUTPUT);
alchemy_gpio_direction_output(204, 0);
#endif /* defined(CONFIG_USB_OHCI_HCD) || defined(CONFIG_USB_OHCI_HCD_MODULE) */
#ifdef CONFIG_PCI
@ -74,14 +76,14 @@ void __init board_setup(void)
/* Initialize GPIO */
au_writel(0xFFFFFFFF, SYS_TRIOUTCLR);
au_writel(0x00000001, SYS_OUTPUTCLR); /* set M66EN (PCI 66MHz) to OFF */
au_writel(0x00000008, SYS_OUTPUTSET); /* set PCI CLKRUN# to OFF */
au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
au_writel(0x00000020, SYS_OUTPUTCLR); /* set eth PHY TX_ER to OFF */
alchemy_gpio_direction_output(0, 0); /* Disable M66EN (PCI 66MHz) */
alchemy_gpio_direction_output(3, 1); /* Disable PCI CLKRUN# */
alchemy_gpio_direction_output(1, 1); /* Enable EXT_IO3 */
alchemy_gpio_direction_output(5, 0); /* Disable eth PHY TX_ER */
/* Enable LED and set it to green */
au_writel(au_readl(GPIO2_DIR) | 0x1800, GPIO2_DIR);
au_writel(0x18000800, GPIO2_OUTPUT);
alchemy_gpio_direction_output(211, 1); /* green on */
alchemy_gpio_direction_output(212, 0); /* red off */
board_pci_idsel = mtx1_pci_idsel;
@ -101,10 +103,10 @@ mtx1_pci_idsel(unsigned int devsel, int assert)
if (assert && devsel != 0)
/* Suppress signal to Cardbus */
au_writel(0x00000002, SYS_OUTPUTCLR); /* set EXT_IO3 OFF */
gpio_set_value(1, 0); /* set EXT_IO3 OFF */
else
au_writel(0x00000002, SYS_OUTPUTSET); /* set EXT_IO3 ON */
gpio_set_value(1, 1); /* set EXT_IO3 ON */
au_sync_udelay(1);
return 1;
}