There is no new functionality in the change.
This change is a conversion from the using raw register access to using
the OMAP3 GPIO API described in doc/README.omap3.
Signed-off-by: Tom Rix <tom....@windriver.com>
---
board/omap3/beagle/beagle.c | 30 +++++++++++++++++-------------
1 files changed, 17 insertions(+), 13 deletions(-)
diff --git a/board/omap3/beagle/beagle.c b/board/omap3/beagle/beagle.c
index 7eb70ee..022cd42 100644
--- a/board/omap3/beagle/beagle.c
+++ b/board/omap3/beagle/beagle.c
@@ -33,6 +33,7 @@
#include <asm/io.h>
#include <asm/arch/mux.h>
#include <asm/arch/sys_proto.h>
+#include <asm/arch/gpio.h>
#include <asm/mach-types.h>
#include "beagle.h"
@@ -74,22 +75,25 @@ int beagle_get_revision(void)
*/
void beagle_identify(void)
{
- gpio_t *gpio6_base = (gpio_t *)OMAP34XX_GPIO6_BASE;
-
- /* Configure GPIO 171 as input */
- writel(readl(&gpio6_base->oe) | GPIO11, &gpio6_base->oe);
-
- /* Get value of GPIO 171 */
- beagle_revision_c = readl(&gpio6_base->datain) & BOARD_REVISION_MASK;
+ beagle_revision_c = 0;
+ if (!omap_request_gpio(171)) {
+ unsigned int val;
+
+ omap_set_gpio_direction(171, 1);
+ val = omap_get_gpio_datain(171);
+ omap_free_gpio(171);
+
+ if (val)
+ beagle_revision_c = 0;
+ else
+ beagle_revision_c = 1;
+ }
printf("Board revision ");
- if (beagle_revision_c) {
- printf("Ax/Bx\n");
- beagle_revision_c = 0;
- } else {
+ if (beagle_revision_c)
printf("C\n");
- beagle_revision_c = 1;
- }
+ else
+ printf("Ax/Bx\n");
}
/*
--
1.6.0.5
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