diff options
Diffstat (limited to 'arch/ppc/cpu/mpc8220/loadtask.c')
-rw-r--r-- | arch/ppc/cpu/mpc8220/loadtask.c | 78 |
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/ppc/cpu/mpc8220/loadtask.c b/arch/ppc/cpu/mpc8220/loadtask.c deleted file mode 100644 index 6d8b627..0000000 --- a/arch/ppc/cpu/mpc8220/loadtask.c +++ /dev/null @@ -1,78 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * This file is based on code - * (C) Copyright Motorola, Inc., 2000 - */ - -#include <common.h> -#include <mpc8220.h> - -/* Multichannel DMA microcode */ -extern int taskTable; - -void loadtask (int basetask, int tasks) -{ - int *sram = (int *) (MMAP_SRAM + 512); - int *task_org = &taskTable; - unsigned int start, offset, end; - int i; - -#ifdef DEBUG - printf ("basetask = %d, tasks = %d\n", basetask, tasks); - printf ("task_org = 0x%08x\n", (unsigned int) task_org); -#endif - - /* setup TaskBAR register */ - *(vu_long *) MMAP_DMA = (MMAP_SRAM + 512); - - /* relocate task table entries */ - offset = (unsigned int) sram; - for (i = basetask; i < basetask + tasks; i++) { - sram[i * 8 + 0] = task_org[i * 8 + 0] + offset; - sram[i * 8 + 1] = task_org[i * 8 + 1] + offset; - sram[i * 8 + 2] = task_org[i * 8 + 2] + offset; - sram[i * 8 + 3] = task_org[i * 8 + 3] + offset; - sram[i * 8 + 4] = task_org[i * 8 + 4]; - sram[i * 8 + 5] = task_org[i * 8 + 5]; - sram[i * 8 + 6] = task_org[i * 8 + 6] + offset; - sram[i * 8 + 7] = task_org[i * 8 + 7]; - } - - /* relocate task descriptors */ - start = (sram[basetask * 8] - (unsigned int) sram); - end = (sram[(basetask + tasks - 1) * 8 + 1] - (unsigned int) sram); - -#ifdef DEBUG - printf ("TDT start = 0x%08x, end = 0x%08x\n", start, end); -#endif - - start /= 4; - end /= 4; - for (i = start; i <= end; i++) { - sram[i] = task_org[i]; - } - - /* relocate variables */ - start = (sram[basetask * 8 + 2] - (unsigned int) sram); - end = (sram[(basetask + tasks - 1) * 8 + 2] + 256 - - (unsigned int) sram); - start /= 4; - end /= 4; - for (i = start; i < end; i++) { - sram[i] = task_org[i]; - } - - /* relocate function decriptors */ - start = ((sram[basetask * 8 + 3] & 0xfffffffc) - (unsigned int) sram); - end = ((sram[(basetask + tasks - 1) * 8 + 3] & 0xfffffffc) + 256 - - (unsigned int) sram); - start /= 4; - end /= 4; - for (i = start; i < end; i++) { - sram[i] = task_org[i]; - } - - asm volatile ("sync"); -} |