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authorDetlev Zundel <dzu@denx.de>2009-03-30 00:31:35 +0200
committerWolfgang Denk <wd@denx.de>2009-03-30 09:41:58 +0200
commite979e85fd39b06436922bb4d6bb5fafcbc775182 (patch)
treea5da6591805a58d17a9117810305eff7f01195dd /board/inka4x0
parent7b5611cdd12ca0cc33f994f0d4a4454788fc3124 (diff)
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inka4x0: Add hardware diagnosis and RTC in configuration.
This patch adds the board specific communication routines needed by the external 4543 RTC. Signed-off-by: Detlev Zundel <dzu@denx.de> Signed-off-by: Andreas Pfefferle <ap@denx.de>
Diffstat (limited to 'board/inka4x0')
-rw-r--r--board/inka4x0/inka4x0.c20
1 files changed, 20 insertions, 0 deletions
diff --git a/board/inka4x0/inka4x0.c b/board/inka4x0/inka4x0.c
index bb5c25d..a8bc3b3 100644
--- a/board/inka4x0/inka4x0.c
+++ b/board/inka4x0/inka4x0.c
@@ -33,6 +33,7 @@
* MA 02111-1307 USA
*/
+#include <asm/io.h>
#include <common.h>
#include <mpc5xxx.h>
#include <pci.h>
@@ -189,6 +190,8 @@ int misc_init_r (void) {
int misc_init_f (void)
{
+ struct mpc5xxx_gpio *gpio = (struct mpc5xxx_gpio *)MPC5XXX_GPIO;
+ struct mpc5xxx_wu_gpio *wu_gpio = (struct mpc5xxx_wu_gpio *)MPC5XXX_WU_GPIO;
char tmp[10];
int i, br;
@@ -236,6 +239,23 @@ int misc_init_f (void)
*(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC3_9;
*(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC3_9;
*(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC3_9;
+
+ /*
+ * Configure three wire serial interface to RTC (PSC1_4,
+ * PSC2_4, PSC3_4, PSC3_5)
+ */
+ setbits_8(&wu_gpio->enable, MPC5XXX_GPIO_WKUP_PSC1_4 |
+ MPC5XXX_GPIO_WKUP_PSC2_4);
+ setbits_8(&wu_gpio->ddr, MPC5XXX_GPIO_WKUP_PSC1_4 |
+ MPC5XXX_GPIO_WKUP_PSC2_4);
+ clrbits_8(&wu_gpio->dvo, MPC5XXX_GPIO_WKUP_PSC1_4);
+ clrbits_8(&gpio->sint_inten, MPC5XXX_GPIO_SINT_PSC3_4 |
+ MPC5XXX_GPIO_SINT_PSC3_5);
+ setbits_8(&gpio->sint_gpioe, MPC5XXX_GPIO_SINT_PSC3_4 |
+ MPC5XXX_GPIO_SINT_PSC3_5);
+ setbits_8(&gpio->sint_ddr, MPC5XXX_GPIO_SINT_PSC3_5);
+ clrbits_8(&gpio->sint_dvo, MPC5XXX_GPIO_SINT_PSC3_5);
+
return 0;
}