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inka4x0: Add hardware diagnosis and RTC in configuration.

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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>
This commit is contained in:
Detlev Zundel
2009-03-30 00:31:35 +02:00
committed by Wolfgang Denk
parent 7b5611cdd1
commit e979e85fd3
2 changed files with 105 additions and 5 deletions
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20
board/inka4x0/inka4x0.c
View File

@@ -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;
}