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transport: move files over to transport folder
[openocd.git] / src / target / mips32_pracc.c
diff --git a/src/target/mips32_pracc.c b/src/target/mips32_pracc.c
index 2dc7a8fb982f37f8d6ba9725ee7560e91036a4a3..af60d321638652aad0a52a573add2aceacbfb7d9 100644 (file)
--- a/src/target/mips32_pracc.c
+++ b/src/target/mips32_pracc.c
@@ -74,6 +74,8 @@ Nico Coesel
 #include "config.h"
 #endif
 
+#include <helper/time_support.h>
+
 #include "mips32.h"
 #include "mips32_pracc.h"
 
@@ -111,16 +113,34 @@ static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info,
 static int wait_for_pracc_rw(struct mips_ejtag *ejtag_info, uint32_t *ctrl)
 {
        uint32_t ejtag_ctrl;
+       long long then = timeval_ms();
+       int timeout;
+
+       /* wait for the PrAcc to become "1" */
+       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
+       ejtag_ctrl = ejtag_info->ejtag_ctrl;
+
+       int retval;
+       if ((retval = jtag_execute_queue()) != ERROR_OK)
+       {
+               LOG_ERROR("fastdata load failed");
+               return retval;
+       }
 
        while (1)
        {
-               mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
-               ejtag_ctrl = ejtag_info->ejtag_ctrl;
-               mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
+               retval = mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
+               if (retval != ERROR_OK)
+                       return retval;
+
                if (ejtag_ctrl & EJTAG_CTRL_PRACC)
                        break;
-               LOG_DEBUG("DEBUGMODULE: No memory access in progress!");
-               return ERROR_JTAG_DEVICE_ERROR;
+
+               if ( (timeout = timeval_ms()-then) > 1000 )
+               {
+                       LOG_DEBUG("DEBUGMODULE: No memory access in progress!");
+                       return ERROR_JTAG_DEVICE_ERROR;
+               }
        }
 
        *ctrl = ejtag_ctrl;
@@ -168,14 +188,13 @@ static int mips32_pracc_exec_read(struct mips32_pracc_context *ctx, uint32_t add
 
        /* Send the data out */
        mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA);
-       mips_ejtag_drscan_32(ctx->ejtag_info, &data);
+       mips_ejtag_drscan_32_out(ctx->ejtag_info, data);
 
        /* Clear the access pending bit (let the processor eat!) */
        ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
        mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL);
-       mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
+       mips_ejtag_drscan_32_out(ctx->ejtag_info, ejtag_ctrl);
 
-       jtag_add_clocks(5);
        return jtag_execute_queue();
 }
 
@@ -184,17 +203,18 @@ static int mips32_pracc_exec_write(struct mips32_pracc_context *ctx, uint32_t ad
        uint32_t ejtag_ctrl,data;
        int offset;
        struct mips_ejtag *ejtag_info = ctx->ejtag_info;
+       int retval;
 
        mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_DATA);
-       mips_ejtag_drscan_32(ctx->ejtag_info, &data);
+       retval = mips_ejtag_drscan_32(ctx->ejtag_info, &data);
+       if (retval != ERROR_OK)
+               return retval;
 
        /* Clear access pending bit */
        ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
        mips_ejtag_set_instr(ctx->ejtag_info, EJTAG_INST_CONTROL);
-       mips_ejtag_drscan_32(ctx->ejtag_info, &ejtag_ctrl);
+       mips_ejtag_drscan_32_out(ctx->ejtag_info, ejtag_ctrl);
 
-       jtag_add_clocks(5);
-       int retval;
        retval = jtag_execute_queue();
        if (retval != ERROR_OK)
                return retval;
@@ -250,7 +270,9 @@ int mips32_pracc_exec(struct mips_ejtag *ejtag_info, int code_len, const uint32_
 
                address = data = 0;
                mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
-               mips_ejtag_drscan_32(ejtag_info, &address);
+               retval = mips_ejtag_drscan_32(ejtag_info, &address);
+               if (retval != ERROR_OK)
+                       return retval;
 
                /* Check for read or write */
                if (ejtag_ctrl & EJTAG_CTRL_PRNW)
@@ -449,13 +471,10 @@ static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr,
        uint32_t *param_out = malloc(count * sizeof(uint32_t));
        int i;
 
-//     int retval;
+       int retval = ERROR_OK;
        int blocksize;
-       int bytesread;
        uint32_t param_in[2];
 
-       bytesread = 0;
-
        //while (count > 0)
        {
                blocksize = count;
@@ -465,12 +484,11 @@ static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr,
                param_in[0] = addr;
                param_in[1] = blocksize;
 
-               mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+               retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                        ARRAY_SIZE(param_in), param_in, count, param_out, 1);
 
 //             count -= blocksize;
 //             addr += blocksize;
-//             bytesread += blocksize;
        }
 
        for (i = 0; i < count; i++)
@@ -480,7 +498,7 @@ static int mips32_pracc_read_mem16(struct mips_ejtag *ejtag_info, uint32_t addr,
 
        free(param_out);
 
-       return ERROR_OK;
+       return retval;
 }
 
 static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
@@ -526,13 +544,10 @@ static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr,
        uint32_t *param_out = malloc(count * sizeof(uint32_t));
        int i;
 
-//     int retval;
+       int retval = ERROR_OK;
        int blocksize;
-       int bytesread;
        uint32_t param_in[2];
 
-       bytesread = 0;
-
 //     while (count > 0)
        {
                blocksize = count;
@@ -542,12 +557,11 @@ static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr,
                param_in[0] = addr;
                param_in[1] = blocksize;
 
-               mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+               retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                        ARRAY_SIZE(param_in), param_in, count, param_out, 1);
 
 //             count -= blocksize;
 //             addr += blocksize;
-//             bytesread += blocksize;
        }
 
        for (i = 0; i < count; i++)
@@ -557,7 +571,7 @@ static int mips32_pracc_read_mem8(struct mips_ejtag *ejtag_info, uint32_t addr,
 
        free(param_out);
 
-       return ERROR_OK;
+       return retval;
 }
 
 int mips32_pracc_write_mem(struct mips_ejtag *ejtag_info, uint32_t addr, int size, int count, void *buf)
@@ -619,12 +633,13 @@ static int mips32_pracc_write_mem32(struct mips_ejtag *ejtag_info, uint32_t addr
 
        memcpy(&param_in[2], buf, count * sizeof(uint32_t));
 
-       mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+       int retval;
+       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                count + 2, param_in, 0, NULL, 1);
 
        free(param_in);
 
-       return ERROR_OK;
+       return retval;
 }
 
 static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr, uint32_t *buf)
@@ -653,10 +668,8 @@ static int mips32_pracc_write_u32(struct mips_ejtag *ejtag_info, uint32_t addr,
        param_in[0] = addr;
        param_in[1] = *buf;
 
-       mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+       return mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                ARRAY_SIZE(param_in), param_in, 0, NULL, 1);
-
-       return ERROR_OK;
 }
 
 static int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint16_t *buf)
@@ -709,12 +722,13 @@ static int mips32_pracc_write_mem16(struct mips_ejtag *ejtag_info, uint32_t addr
                param_in[i + 2] = buf[i];
        }
 
-       mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+       int retval;
+       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                count + 2, param_in, 0, NULL, 1);
 
        free(param_in);
 
-       return ERROR_OK;
+       return retval;
 }
 
 static int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr, int count, uint8_t *buf)
@@ -768,7 +782,7 @@ static int mips32_pracc_write_mem8(struct mips_ejtag *ejtag_info, uint32_t addr,
                param_in[i + 2] = buf[i];
        }
 
-       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                count + 2, param_in, 0, NULL, 1);
 
        free(param_in);
@@ -840,7 +854,7 @@ int mips32_pracc_write_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
 
        int retval;
 
-       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                        MIPS32NUMCOREREGS, regs, 0, NULL, 1);
 
        return retval;
@@ -915,7 +929,7 @@ int mips32_pracc_read_regs(struct mips_ejtag *ejtag_info, uint32_t *regs)
 
        int retval;
 
-       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code, \
+       retval = mips32_pracc_exec(ejtag_info, ARRAY_SIZE(code), code,
                0, NULL, MIPS32NUMCOREREGS, regs, 1);
 
        return retval;
@@ -1004,12 +1018,12 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
                        return retval;
 
                mips_ejtag_set_instr(ejtag_info, EJTAG_INST_DATA);
-               mips_ejtag_drscan_32(ejtag_info, &jmp_code[i]);
+               mips_ejtag_drscan_32_out(ejtag_info, jmp_code[i]);
 
                /* Clear the access pending bit (let the processor eat!) */
                ejtag_ctrl = ejtag_info->ejtag_ctrl & ~EJTAG_CTRL_PRACC;
                mips_ejtag_set_instr(ejtag_info, EJTAG_INST_CONTROL);
-               mips_ejtag_drscan_32(ejtag_info, &ejtag_ctrl);
+               mips_ejtag_drscan_32_out(ejtag_info, ejtag_ctrl);
        }
 
        if ((retval = wait_for_pracc_rw(ejtag_info, &ejtag_ctrl)) != ERROR_OK)
@@ -1018,11 +1032,17 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
        /* next fetch to dmseg should be in FASTDATA_AREA, check */
        address = 0;
        mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
-       mips_ejtag_drscan_32(ejtag_info, &address);
+       retval = mips_ejtag_drscan_32(ejtag_info, &address);
+       if (retval != ERROR_OK)
+               return retval;
 
        if (address != MIPS32_PRACC_FASTDATA_AREA)
                return ERROR_FAIL;
 
+       /* wait PrAcc pending bit for FASTDATA write */
+       if ((retval = wait_for_pracc_rw(ejtag_info, &ejtag_ctrl)) != ERROR_OK)
+               return retval;
+
        /* Send the load start address */
        val = addr;
        mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA);
@@ -1030,12 +1050,10 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
 
        /* Send the load end address */
        val = addr + (count - 1) * 4;
-       mips_ejtag_set_instr(ejtag_info, EJTAG_INST_FASTDATA);
        mips_ejtag_fastdata_scan(ejtag_info, 1, &val);
 
        for (i = 0; i < count; i++)
        {
-               /* Send the data out using fastdata (clears the access pending bit) */
                if ((retval = mips_ejtag_fastdata_scan(ejtag_info, write_t, buf++)) != ERROR_OK)
                        return retval;
        }
@@ -1051,7 +1069,9 @@ int mips32_pracc_fastdata_xfer(struct mips_ejtag *ejtag_info, struct working_are
 
        address = 0;
        mips_ejtag_set_instr(ejtag_info, EJTAG_INST_ADDRESS);
-       mips_ejtag_drscan_32(ejtag_info, &address);
+       retval = mips_ejtag_drscan_32(ejtag_info, &address);
+       if (retval != ERROR_OK)
+               return retval;
 
        if (address != MIPS32_PRACC_TEXT)
                LOG_ERROR("mini program did not return to start");
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