diff options
Diffstat (limited to 'arch/powerpc/cpu/mpc8220/loadtask.c')
| -rw-r--r-- | arch/powerpc/cpu/mpc8220/loadtask.c | 78 | 
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 6d8b627e8..000000000 --- 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"); -} |