David Brownell

[openocd.git] / src / flash / orion_nand.c

diff --git a/src/flash/orion_nand.c b/src/flash/orion_nand.c
index dc9d78c53791fe500d7761afd9bc90a4da8333e6..94df17ba7210dc8ead1d84a9e9dc6e0621d21204 100644 (file)
--- a/src/flash/orion_nand.c
+++ b/src/flash/orion_nand.c
@@ -26,15 +26,15 @@
 #include "config.h"
 #endif
 
-#include "nand.h"
+#include "arm_nandio.h"
 #include "armv4_5.h"
-#include "binarybuffer.h"
 
 
 typedef struct orion_nand_controller_s
 {
        struct target_s *target;
-       working_area_t *copy_area;
+
+       struct arm_nand_data    io;
 
        uint32_t                cmd;
        uint32_t                addr;
@@ -99,78 +99,14 @@ static int orion_nand_slow_block_write(struct nand_device_s *device, uint8_t *da
 static int orion_nand_fast_block_write(struct nand_device_s *device, uint8_t *data, int size)
 {
        orion_nand_controller_t *hw = device->controller_priv;
-       target_t *target = hw->target;
-       armv4_5_algorithm_t algo;
-       reg_param_t reg_params[3];
-       uint32_t target_buf;
        int retval;
 
-       static const uint32_t code[] = {
-               0xe4d13001,     /* ldrb r3, [r1], #1    */
-               0xe5c03000,     /* strb r3, [r0]        */
-               0xe2522001,     /* subs r2, r2, #1      */
-               0x1afffffb,     /* bne  0               */
-               0xeafffffe,     /* b    .               */
-       };
-       int code_size = sizeof(code);
-
-       if (!hw->copy_area) {
-               uint8_t code_buf[code_size];
-               int i;
-
-               /* make sure we have a working area */
-               if (target_alloc_working_area(target,
-                                             code_size + device->page_size,
-                                             &hw->copy_area) != ERROR_OK)
-               {
-                       return orion_nand_slow_block_write(device, data, size);
-               }
-
-               /* copy target instructions to target endianness */
-               for (i = 0; i < code_size/4; i++)
-                       target_buffer_set_u32(target, code_buf + i*4, code[i]);
-
-               /* write code to working area */
-                retval = target_write_memory(target,
-                                       hw->copy_area->address,
-                                       4, code_size/4, code_buf);
-               if (retval != ERROR_OK)
-                       return retval;
-       }
+       hw->io.chunk_size = device->page_size;
+
+       retval = arm_nandwrite(&hw->io, data, size);
+       if (retval == ERROR_NAND_NO_BUFFER)
+               retval = orion_nand_slow_block_write(device, data, size);
 
-       /* copy data to target's memory */
-       target_buf = hw->copy_area->address + code_size;
-       retval = target_bulk_write_memory(target, target_buf, size/4, data);
-       if (retval == ERROR_OK && size & 3) {
-               retval = target_write_memory(target,
-                                       target_buf + (size & ~3),
-                                       1, size & 3, data + (size & ~3));
-       }
-       if (retval != ERROR_OK)
-               return retval;
-
-       algo.common_magic = ARMV4_5_COMMON_MAGIC;
-       algo.core_mode = ARMV4_5_MODE_SVC;
-       algo.core_state = ARMV4_5_STATE_ARM;
-
-       init_reg_param(&reg_params[0], "r0", 32, PARAM_IN);
-       init_reg_param(&reg_params[1], "r1", 32, PARAM_IN);
-       init_reg_param(&reg_params[2], "r2", 32, PARAM_IN);
-
-       buf_set_u32(reg_params[0].value, 0, 32, hw->data);
-       buf_set_u32(reg_params[1].value, 0, 32, target_buf);
-       buf_set_u32(reg_params[2].value, 0, 32, size);
-
-       retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
-                                       hw->copy_area->address,
-                                       hw->copy_area->address + code_size - 4,
-                                       1000, &algo);
-       if (retval != ERROR_OK)
-               LOG_ERROR("error executing hosted NAND write");
-
-       destroy_reg_param(&reg_params[0]);
-       destroy_reg_param(&reg_params[1]);
-       destroy_reg_param(&reg_params[2]);
        return retval;
 }
 
@@ -224,6 +160,9 @@ int orion_nand_device_command(struct command_context_s *cmd_ctx, char *cmd,
        hw->cmd = base + (1 << cle);
        hw->addr = base + (1 << ale);
 
+       hw->io.target = hw->target;
+       hw->io.data = hw->data;
+
        return ERROR_OK;
 }