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| author | Heiko Schocher <hs@denx.de> | 2010-07-19 23:46:48 +0200 |
|---|---|---|
| committer | Wolfgang Denk <wd@denx.de> | 2010-08-09 00:09:20 +0200 |
| commit | e604e4091631e0601e2eeb3f0c197eea95ebe498 (patch) | |
| tree | 7d46b9b0668fbc5de581750101c8a12a8bb61c16 /board/kup/common/kup.c | |
| parent | 958e120643e8b6765b3ff84dfcf57624076afd21 (diff) | |
| download | u-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/kup.c')
| -rw-r--r-- | board/kup/common/kup.c | 54 |
1 files changed, 33 insertions, 21 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"); } |