#include <linux/device.h>
#include <linux/ioport.h>
#include <linux/module.h>
+#include <linux/uaccess.h>
+#include <linux/fs.h>
#include <asm/dma.h>
-#include <asm/uaccess.h>
+#include <asm/cacheflush.h>
#define MODULE_VER "v0.1"
coreb_dma_done = 0;
+ flush_dcache_range((unsigned long)buf, (unsigned long)(buf+len));
/* Source Channel */
set_dma_start_addr(CH_MEM_STREAM2_SRC, (unsigned long)buf);
set_dma_x_count(CH_MEM_STREAM2_SRC, len);
set_dma_x_modify(CH_MEM_STREAM2_SRC, sizeof(char));
- set_dma_config(CH_MEM_STREAM2_SRC, RESTART);
+ set_dma_config(CH_MEM_STREAM2_SRC, 0);
/* Destination Channel */
set_dma_start_addr(CH_MEM_STREAM2_DEST, coreb_base + p);
set_dma_x_count(CH_MEM_STREAM2_DEST, len);
coreb_dma_done = 0;
+ invalidate_dcache_range((unsigned long)buf, (unsigned long)(buf+len));
/* Source Channel */
set_dma_start_addr(CH_MEM_STREAM2_SRC, coreb_base + p);
set_dma_x_count(CH_MEM_STREAM2_SRC, len);
set_dma_x_modify(CH_MEM_STREAM2_SRC, sizeof(char));
- set_dma_config(CH_MEM_STREAM2_SRC, RESTART);
+ set_dma_config(CH_MEM_STREAM2_SRC, 0);
/* Destination Channel */
set_dma_start_addr(CH_MEM_STREAM2_DEST, (unsigned long)buf);
set_dma_x_count(CH_MEM_STREAM2_DEST, len);
spin_unlock_irq(&coreb_lock);
return 0;
- out_busy:
+ out_busy:
spin_unlock_irq(&coreb_lock);
return -EBUSY;
}
coreb_status |= COREB_IS_RUNNING;
bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() & ~0x0020);
SSYNC();
- spin_lock_irq(&coreb_lock);
+ spin_unlock_irq(&coreb_lock);
break;
#if defined(CONFIG_BF561_COREB_RESET)
case CMD_COREB_STOP:
bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() | 0x0020);
bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | 0x0080);
coreb_status &= ~COREB_IS_RUNNING;
- spin_lock_irq(&coreb_lock);
+ spin_unlock_irq(&coreb_lock);
break;
case CMD_COREB_RESET:
printk(KERN_INFO "Resetting Core B\n");
printk(KERN_INFO "BF561 Core B driver %s initialized.\n", MODULE_VER);
return 0;
- release_dma_src:
+ release_dma_src:
free_dma(CH_MEM_STREAM2_SRC);
- release_dma_dest:
+ release_dma_dest:
free_dma(CH_MEM_STREAM2_DEST);
- release_data_a_sram:
+ release_data_a_sram:
release_mem_region(0xff400000, 0x8000);
- release_data_b_sram:
+ release_data_b_sram:
release_mem_region(0xff500000, 0x8000);
- release_instruction_b_sram:
+ release_instruction_b_sram:
release_mem_region(0xff610000, 0x4000);
- release_instruction_a_sram:
+ release_instruction_a_sram:
release_mem_region(0xff600000, 0x4000);
- exit:
+ exit:
return -ENOMEM;
}