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>
diff --git a/arch/mips/alchemy/mtx-1/board_setup.c b/arch/mips/alchemy/mtx-1/board_setup.c
index 8ed1ae1..cc32c69 100644
--- a/arch/mips/alchemy/mtx-1/board_setup.c
+++ b/arch/mips/alchemy/mtx-1/board_setup.c
@@ -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 @@
}
#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 @@
/* 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 @@
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;
}
-