aboutsummaryrefslogtreecommitdiff
path: root/arch/powerpc/cpu/mpc8220/loadtask.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/powerpc/cpu/mpc8220/loadtask.c')
-rw-r--r--arch/powerpc/cpu/mpc8220/loadtask.c78
1 files changed, 0 insertions, 78 deletions
diff --git a/arch/powerpc/cpu/mpc8220/loadtask.c b/arch/powerpc/cpu/mpc8220/loadtask.c
deleted file mode 100644
index 6d8b627e8c6..00000000000
--- a/arch/powerpc/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");
-}