diff options
Diffstat (limited to 'common/lynxkdi.c')
| -rw-r--r-- | common/lynxkdi.c | 70 |
1 files changed, 70 insertions, 0 deletions
diff --git a/common/lynxkdi.c b/common/lynxkdi.c new file mode 100644 index 0000000000..95df9554f3 --- /dev/null +++ b/common/lynxkdi.c @@ -0,0 +1,70 @@ +/* + * Copyright (c) Orbacom Systems, Inc <www.orbacom.com> + * All rights reserved. + * + * Redistribution and use in source and binary forms are freely + * permitted provided that the above copyright notice and this + * paragraph and the following disclaimer are duplicated in all + * such forms. + * + * This software is provided "AS IS" and without any express or + * implied warranties, including, without limitation, the implied + * warranties of merchantability and fitness for a particular + * purpose. + */ + +#include <common.h> +#include <asm/processor.h> +#include <image.h> + +#if defined(CONFIG_LYNXKDI) +#include <lynxkdi.h> + +#if defined(CONFIG_MPC8260) +void lynxkdi_boot ( image_header_t *hdr ) +{ + void (*lynxkdi)(void) = (void(*)(void))hdr->ih_ep; + lynxos_bootparms_t *parms = (lynxos_bootparms_t *)0x0020; + bd_t *kbd; + DECLARE_GLOBAL_DATA_PTR; + u32 *psz = (u32 *)(hdr->ih_load + 0x0204); + + memset( parms, 0, sizeof(*parms)); + kbd = gd->bd; + parms->clock_ref = kbd->bi_busfreq; + parms->dramsz = kbd->bi_memsize; + memcpy(parms->ethaddr, kbd->bi_enetaddr, 6); + mtspr(SPRN_SPRG2, 0x0020); + + /* Do a simple check for Bluecat so we can pass the + * kernel command line parameters. + */ + if( le32_to_cpu(*psz) == hdr->ih_size ){ + char *args; + char *cmdline = (char *)(hdr->ih_load + 0x020c); + int len; + + printf("Booting Bluecat KDI ...\n"); + udelay(200*1000); /* Allow serial port to flush */ + if ((args = getenv("bootargs")) == NULL) + args = ""; + /* Prepend the cmdline */ + len = strlen(args); + if( len && (len + strlen(cmdline) + 2 < (0x0400 - 0x020c))) { + memmove( cmdline + strlen(args) + 1, cmdline, strlen(cmdline) ); + strcpy( cmdline, args ); + cmdline[len] = ' '; + } + } + else { + printf("Booting LynxOS KDI ...\n"); + } + + lynxkdi(); +} +#else +#error "Lynx KDI support not implemented for configured CPU" +#endif + +#endif /* CONFIG_LYNXKDI */ + |
