summaryrefslogtreecommitdiff
path: root/board/kup/common
diff options
context:
space:
mode:
authorHeiko Schocher <hs@denx.de>2010-07-19 23:46:48 +0200
committerWolfgang Denk <wd@denx.de>2010-08-09 00:09:20 +0200
commite604e4091631e0601e2eeb3f0c197eea95ebe498 (patch)
tree7d46b9b0668fbc5de581750101c8a12a8bb61c16 /board/kup/common
parent958e120643e8b6765b3ff84dfcf57624076afd21 (diff)
downloadu-boot-imx-e604e4091631e0601e2eeb3f0c197eea95ebe498.zip
u-boot-imx-e604e4091631e0601e2eeb3f0c197eea95ebe498.tar.gz
u-boot-imx-e604e4091631e0601e2eeb3f0c197eea95ebe498.tar.bz2
8xx, kup4k/kup4x: configuration changes, code cleanup
- nfs-options removed - hda->sda changed - mtd parts added - loadaddress changed - cmd-line length increased - lcd stuff removed - code cleanup (use I/O accessors etc.) Signed-off-by: Klaus Heydeck <heydeck@kieback-peter.de>
Diffstat (limited to 'board/kup/common')
-rw-r--r--board/kup/common/kup.c54
-rw-r--r--board/kup/common/kup.h44
2 files changed, 60 insertions, 38 deletions
diff --git a/board/kup/common/kup.c b/board/kup/common/kup.c
index 2418d59..38259a5 100644
--- a/board/kup/common/kup.c
+++ b/board/kup/common/kup.c
@@ -24,49 +24,61 @@
#include <common.h>
#include <mpc8xx.h>
#include "kup.h"
+#include <asm/io.h>
-int misc_init_f (void)
+
+int misc_init_f(void)
{
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
volatile sysconf8xx_t *siu = &immap->im_siu_conf;
- while (siu->sc_sipend & 0x20000000) {
- /* printf("waiting for 5V VCC\n"); */
- ;
+ while (in_be32(&siu->sc_sipend) & 0x20000000) {
+ debug("waiting for 5V VCC\n");
}
/* RS232 / RS485 default is RS232 */
- immap->im_ioport.iop_padat &= ~(PA_RS485);
- immap->im_ioport.iop_papar &= ~(PA_RS485);
- immap->im_ioport.iop_paodr &= ~(PA_RS485);
- immap->im_ioport.iop_padir |= (PA_RS485);
+ clrbits_be16(&immap->im_ioport.iop_padat, PA_RS485);
+ clrbits_be16(&immap->im_ioport.iop_papar, PA_RS485);
+ clrbits_be16(&immap->im_ioport.iop_paodr, PA_RS485);
+ setbits_be16(&immap->im_ioport.iop_padir, PA_RS485);
+
+ /* IO Reset min 1 msec */
+ setbits_be16(&immap->im_ioport.iop_padat,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ clrbits_be16(&immap->im_ioport.iop_papar,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ clrbits_be16(&immap->im_ioport.iop_paodr,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ setbits_be16(&immap->im_ioport.iop_padir,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
+ udelay(1000);
+ clrbits_be16(&immap->im_ioport.iop_padat,
+ (PA_RESET_IO_01 | PA_RESET_IO_02));
return (0);
}
-
#ifdef CONFIG_IDE_LED
-void ide_led (uchar led, uchar status)
+void ide_led(uchar led, uchar status)
{
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
/* We have one led for both pcmcia slots */
- if (status) { /* led on */
- immap->im_ioport.iop_padat &= ~(PA_LED_YELLOW);
- } else {
- immap->im_ioport.iop_padat |= (PA_LED_YELLOW);
- }
+ if (status)
+ clrbits_be16(&immap->im_ioport.iop_padat, PA_LED_YELLOW);
+ else
+ setbits_be16(&immap->im_ioport.iop_padat, PA_LED_YELLOW);
}
#endif
-void poweron_key (void)
+void poweron_key(void)
{
volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- immap->im_ioport.iop_pcpar &= ~(PC_SWITCH1);
- immap->im_ioport.iop_pcdir &= ~(PC_SWITCH1);
+ clrbits_be16(&immap->im_ioport.iop_pcpar, PC_SWITCH1);
+ clrbits_be16(&immap->im_ioport.iop_pcdir, PC_SWITCH1);
- if (immap->im_ioport.iop_pcdat & (PC_SWITCH1))
- setenv ("key1", "off");
+ if (in_be16(&immap->im_ioport.iop_pcdat) & (PC_SWITCH1))
+ setenv("key1", "off");
else
- setenv ("key1", "on");
+ setenv("key1", "on");
}
diff --git a/board/kup/common/kup.h b/board/kup/common/kup.h
index b736283..455848c 100644
--- a/board/kup/common/kup.h
+++ b/board/kup/common/kup.h
@@ -24,23 +24,33 @@
#ifndef __KUP_H
#define __KUP_H
-#define PA_8 0x0080
-#define PA_11 0x0010
-#define PA_12 0x0008
-
-#define PB_14 0x00020000
-#define PB_17 0x00004000
-
-#define PC_9 0x0040
-
-#define PA_RS485 PA_11 /* SCC1: 0=RS232 1=RS485 */
-#define PA_LED_YELLOW PA_8
-#define BP_USB_VCC PB_14 /* VCC for USB devices 0=vcc on, 1=vcc off*/
-#define PB_LCD_PWM PB_17 /* PB 17 */
-#define PC_SWITCH1 PC_9 /* Reboot switch */
-
-extern void poweron_key (void);
-
+#define PA_8 0x0080
+#define PA_9 0x0040
+#define PA_10 0x0020
+#define PA_11 0x0010
+#define PA_12 0x0008
+
+#define PB_14 0x00020000
+#define PB_15 0x00010000
+#define PB_16 0x00008000
+#define PB_17 0x00004000
+
+#define PC_4 0x0800
+#define PC_5 0x0400
+#define PC_9 0x0040
+
+#define PA_RS485 PA_11 /* SCC1: 0=RS232 1=RS485 */
+#define PA_LED_YELLOW PA_8
+#define PA_RESET_IO_01 PA_9 /* Reset left IO */
+#define PA_RESET_IO_02 PA_10 /* Reset right IO */
+#define PB_PROG_IO_01 PB_15 /* Program left IO */
+#define PB_PROG_IO_02 PB_16 /* Program right IO */
+#define BP_USB_VCC PB_14 /* VCC for USB devices 0=vcc on, 1=vcc off */
+#define PB_LCD_PWM PB_17 /* PB 17 */
+#define PC_SWITCH1 PC_9 /* Reboot switch */
+
+
+extern void poweron_key(void);
extern void load_sernum_ethaddr(void);
#endif /* __KUP_H */