no change
authoroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 30 Apr 2009 08:15:27 +0000 (08:15 +0000)
committeroharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Thu, 30 Apr 2009 08:15:27 +0000 (08:15 +0000)
git-svn-id: svn://svn.berlios.de/openocd/trunk@1576 b42882b7-edfa-0310-969c-e2dbd0fdcd60

src/flash/lpc2000.c

index 465a3ff..1148df3 100644 (file)
@@ -17,6 +17,7 @@
  *   Free Software Foundation, Inc.,                                       *
  *   59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.             *
  ***************************************************************************/
+
 #ifdef HAVE_CONFIG_H
 #include "config.h"
 #endif
@@ -60,7 +61,7 @@ static int lpc2000_probe(struct flash_bank_s *bank);
 static int lpc2000_erase_check(struct flash_bank_s *bank);
 static int lpc2000_protect_check(struct flash_bank_s *bank);
 static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size);
-       
+
 static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc);
 
 flash_driver_t lpc2000_flash =
@@ -81,25 +82,25 @@ flash_driver_t lpc2000_flash =
 static int lpc2000_register_commands(struct command_context_s *cmd_ctx)
 {
        command_t *lpc2000_cmd = register_command(cmd_ctx, NULL, "lpc2000", NULL, COMMAND_ANY, NULL);
-       
+
        register_command(cmd_ctx, lpc2000_cmd, "part_id", lpc2000_handle_part_id_command, COMMAND_EXEC,
                                         "print part id of lpc2000 flash bank <num>");
-       
+
        return ERROR_OK;
 }
 
 static int lpc2000_build_sector_list(struct flash_bank_s *bank)
 {
        lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
-       
+
        /* default to a 4096 write buffer */
        lpc2000_info->cmd51_max_buffer = 4096;
-       
+
        if (lpc2000_info->variant == 1)
        {
                int i = 0;
                u32 offset = 0;
-               
+
                /* variant 1 has different layout for 128kb and 256kb flashes */
                if (bank->size == 128 * 1024)
                {
@@ -118,7 +119,7 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                {
                        bank->num_sectors = 18;
                        bank->sectors = malloc(sizeof(flash_sector_t) * 18);
-                       
+
                        for (i = 0; i < 8; i++)
                        {
                                bank->sectors[i].offset = offset;
@@ -155,7 +156,7 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                int num_sectors;
                int i;
                u32 offset = 0;
-       
+
                /* variant 2 has a uniform layout, only number of sectors differs */
                switch (bank->size)
                {
@@ -191,10 +192,10 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                                exit(-1);
                                break;
                }
-               
+
                bank->num_sectors = num_sectors;
                bank->sectors = malloc(sizeof(flash_sector_t) * num_sectors);
-               
+
                for (i = 0; i < num_sectors; i++)
                {
                        if ((i >= 0) && (i < 8))
@@ -228,7 +229,7 @@ static int lpc2000_build_sector_list(struct flash_bank_s *bank)
                LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
                exit(-1);
        }
-       
+
        return ERROR_OK;
 }
 
@@ -248,19 +249,19 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
        reg_param_t reg_params[5];
        armv4_5_algorithm_t armv4_5_info;
        u32 status_code;
-       
+
        /* regrab previously allocated working_area, or allocate a new one */
        if (!lpc2000_info->iap_working_area)
        {
                u8 jump_gate[8];
-               
+
                /* make sure we have a working area */
                if (target_alloc_working_area(target, 172, &lpc2000_info->iap_working_area) != ERROR_OK)
                {
                        LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
                        return ERROR_FLASH_OPERATION_FAILED;
                }
-               
+
                /* write IAP code to working area */
                target_buffer_set_u32(target, jump_gate, ARMV4_5_BX(12));
                target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
@@ -269,11 +270,11 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
                        return retval;
                }
        }
-       
+
        armv4_5_info.common_magic = ARMV4_5_COMMON_MAGIC;
        armv4_5_info.core_mode = ARMV4_5_MODE_SVC;
        armv4_5_info.core_state = ARMV4_5_STATE_ARM;
-       
+
        /* command parameter table */
        init_mem_param(&mem_params[0], lpc2000_info->iap_working_area->address + 8, 4 * 6, PARAM_OUT);
        target_buffer_set_u32(target, mem_params[0].value, code);
@@ -282,20 +283,20 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
        target_buffer_set_u32(target, mem_params[0].value + 0xc, param_table[2]);
        target_buffer_set_u32(target, mem_params[0].value + 0x10, param_table[3]);
        target_buffer_set_u32(target, mem_params[0].value + 0x14, param_table[4]);
-       
+
        init_reg_param(&reg_params[0], "r0", 32, PARAM_OUT);
        buf_set_u32(reg_params[0].value, 0, 32, lpc2000_info->iap_working_area->address + 0x8);
-       
+
        /* command result table */
        init_mem_param(&mem_params[1], lpc2000_info->iap_working_area->address + 0x20, 4 * 3, PARAM_IN);
-       
+
        init_reg_param(&reg_params[1], "r1", 32, PARAM_OUT);
        buf_set_u32(reg_params[1].value, 0, 32, lpc2000_info->iap_working_area->address + 0x20);
-       
+
        /* IAP entry point */
        init_reg_param(&reg_params[2], "r12", 32, PARAM_OUT);
        buf_set_u32(reg_params[2].value, 0, 32, 0x7ffffff1);
-       
+
        /* IAP stack */
        init_reg_param(&reg_params[3], "r13_svc", 32, PARAM_OUT);
        buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xac);
@@ -303,22 +304,22 @@ static int lpc2000_iap_call(flash_bank_t *bank, int code, u32 param_table[5], u3
        /* return address */
        init_reg_param(&reg_params[4], "lr_svc", 32, PARAM_OUT);
        buf_set_u32(reg_params[4].value, 0, 32, lpc2000_info->iap_working_area->address + 0x4);
-       
+
        target->type->run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv4_5_info);
-       
+
        status_code = buf_get_u32(mem_params[1].value, 0, 32);
        result_table[0] = target_buffer_get_u32(target, mem_params[1].value);
        result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 4);
-       
+
        destroy_mem_param(&mem_params[0]);
        destroy_mem_param(&mem_params[1]);
-       
+
        destroy_reg_param(&reg_params[0]);
        destroy_reg_param(&reg_params[1]);
        destroy_reg_param(&reg_params[2]);
        destroy_reg_param(&reg_params[3]);
        destroy_reg_param(&reg_params[4]);
-       
+
        return status_code;
 }
 
@@ -328,16 +329,16 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
        u32 result_table[2];
        int status_code;
        int i;
-       
+
        if ((first < 0) || (last >= bank->num_sectors))
                return ERROR_FLASH_SECTOR_INVALID;
-       
+
        for (i = first; i <= last; i++)
        {
                /* check single sector */
                param_table[0] = param_table[1] = i;
                status_code = lpc2000_iap_call(bank, 53, param_table, result_table);
-               
+
                switch (status_code)
                {
                        case ERROR_FLASH_OPERATION_FAILED:
@@ -359,7 +360,7 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
                                exit(-1);
                }
        }
-       
+
        return ERROR_OK;
 }
 
@@ -368,16 +369,16 @@ static int lpc2000_iap_blank_check(struct flash_bank_s *bank, int first, int las
 static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd, char **args, int argc, struct flash_bank_s *bank)
 {
        lpc2000_flash_bank_t *lpc2000_info;
-       
+
        if (argc < 8)
        {
                LOG_WARNING("incomplete flash_bank lpc2000 configuration");
                return ERROR_FLASH_BANK_INVALID;
        }
-       
+
        lpc2000_info = malloc(sizeof(lpc2000_flash_bank_t));
        bank->driver_priv = lpc2000_info;
-       
+
        if (strcmp(args[6], "lpc2000_v1") == 0)
        {
                lpc2000_info->variant = 1;
@@ -398,18 +399,18 @@ static int lpc2000_flash_bank_command(struct command_context_s *cmd_ctx, char *c
                free(lpc2000_info);
                return ERROR_FLASH_BANK_INVALID;
        }
-       
+
        lpc2000_info->iap_working_area = NULL;
        lpc2000_info->cclk = strtoul(args[7], NULL, 0);
        lpc2000_info->calc_checksum = 0;
        lpc2000_build_sector_list(bank);
-               
+
        if (argc >= 9)
        {
                if (strcmp(args[8], "calc_checksum") == 0)
                        lpc2000_info->calc_checksum = 1;
        }
-       
+
        return ERROR_OK;
 }
 
@@ -419,7 +420,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
        u32 param_table[5];
        u32 result_table[2];
        int status_code;
-       
+
        if (bank->target->state != TARGET_HALTED)
        {
                LOG_ERROR("Target not halted");
@@ -429,7 +430,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
        param_table[0] = first;
        param_table[1] = last;
        param_table[2] = lpc2000_info->cclk;
-       
+
        /* Prepare sectors */
        status_code = lpc2000_iap_call(bank, 50, param_table, result_table);
        switch (status_code)
@@ -445,7 +446,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
                        LOG_WARNING("lpc2000 prepare sectors returned %i", status_code);
                        return ERROR_FLASH_OPERATION_FAILED;
        }
-       
+
        /* Erase sectors */
        status_code = lpc2000_iap_call(bank, 52, param_table, result_table);
        switch (status_code)
@@ -461,7 +462,7 @@ static int lpc2000_erase(struct flash_bank_s *bank, int first, int last)
                        LOG_WARNING("lpc2000 erase sectors returned %i", status_code);
                        return ERROR_FLASH_OPERATION_FAILED;
        }
-       
+
        return ERROR_OK;
 }
 
@@ -486,27 +487,27 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
        int i;
        working_area_t *download_area;
        int retval = ERROR_OK;
-                
+
        if (bank->target->state != TARGET_HALTED)
        {
                LOG_ERROR("Target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }
-       
+
        if (offset + count > bank->size)
                return ERROR_FLASH_DST_OUT_OF_BANK;
-               
+
        if (lpc2000_info->cmd51_can_256b)
                dst_min_alignment = 256;
        else
                dst_min_alignment = 512;
-       
+
        if (offset % dst_min_alignment)
        {
                LOG_WARNING("offset 0x%x breaks required alignment 0x%x", offset, dst_min_alignment);
                return ERROR_FLASH_DST_BREAKS_ALIGNMENT;
        }
-       
+
        for (i = 0; i < bank->num_sectors; i++)
        {
                if (offset >= bank->sectors[i].offset)
@@ -514,7 +515,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                if (offset + CEIL(count, dst_min_alignment) * dst_min_alignment > bank->sectors[i].offset)
                        last_sector = i;
        }
-       
+
        LOG_DEBUG("first_sector: %i, last_sector: %i", first_sector, last_sector);
 
        /* check if exception vectors should be flashed */
@@ -532,14 +533,14 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                LOG_DEBUG("checksum: 0x%8.8x", checksum);
                buf_set_u32(buffer + 0x14, 0, 32, checksum);
        }
-       
+
        /* allocate a working area */
        if (target_alloc_working_area(target, lpc2000_info->cmd51_max_buffer, &download_area) != ERROR_OK)
        {
                LOG_ERROR("no working area specified, can't write LPC2000 internal flash");
                return ERROR_FLASH_OPERATION_FAILED;
        }
-       
+
        while (bytes_remaining > 0)
        {
                u32 thisrun_bytes;
@@ -551,7 +552,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                        thisrun_bytes = 512;
                else
                        thisrun_bytes = 256;
-               
+
                /* Prepare sectors */
                param_table[0] = first_sector;
                param_table[1] = last_sector;
@@ -575,7 +576,7 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                /* Exit if error occured */
                if (retval != ERROR_OK)
                        break;
-               
+
                if (bytes_remaining >= thisrun_bytes)
                {
                        if ((retval = target_write_buffer(bank->target, download_area->address, thisrun_bytes, buffer + bytes_written)) != ERROR_OK)
@@ -594,9 +595,9 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                        target_write_buffer(bank->target, download_area->address, thisrun_bytes, last_buffer);
                        free(last_buffer);
                }
-               
+
                LOG_DEBUG("writing 0x%x bytes to address 0x%x", thisrun_bytes, bank->base + offset + bytes_written);
-               
+
                /* Write data */
                param_table[0] = bank->base + offset + bytes_written;
                param_table[1] = download_area->address;
@@ -618,26 +619,26 @@ static int lpc2000_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32
                                retval = ERROR_FLASH_OPERATION_FAILED;
                                break;
                }
-               
+
                /* Exit if error occured */
                if (retval != ERROR_OK)
                        break;
-               
+
                if (bytes_remaining > thisrun_bytes)
                        bytes_remaining -= thisrun_bytes;
                else
                        bytes_remaining = 0;
                bytes_written += thisrun_bytes;
        }
-       
+
        target_free_working_area(target, download_area);
-       
+
        return retval;
 }
 
 static int lpc2000_probe(struct flash_bank_s *bank)
 {
-       /* we can't probe on an lpc2000 
+       /* we can't probe on an lpc2000
         * if this is an lpc2xxx, it has the configured flash
         */
        return ERROR_OK;
@@ -650,7 +651,7 @@ static int lpc2000_erase_check(struct flash_bank_s *bank)
                LOG_ERROR("Target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }
-       
+
        return lpc2000_iap_blank_check(bank, 0, bank->num_sectors - 1);
 }
 
@@ -665,7 +666,7 @@ static int lpc2000_info(struct flash_bank_s *bank, char *buf, int buf_size)
        lpc2000_flash_bank_t *lpc2000_info = bank->driver_priv;
 
        snprintf(buf, buf_size, "lpc2000 flash driver variant: %i, clk: %i", lpc2000_info->variant, lpc2000_info->cclk);
-       
+
        return ERROR_OK;
 }
 
@@ -680,7 +681,7 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
        {
                return ERROR_COMMAND_SYNTAX_ERROR;
        }
-       
+
        bank = get_flash_bank_by_num(strtoul(args[0], NULL, 0));
        if (!bank)
        {
@@ -693,7 +694,7 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
                LOG_ERROR("Target not halted");
                return ERROR_TARGET_NOT_HALTED;
        }
-       
+
        if ((status_code = lpc2000_iap_call(bank, 54, param_table, result_table)) != 0x0)
        {
                if (status_code == ERROR_FLASH_OPERATION_FAILED)
@@ -707,6 +708,6 @@ static int lpc2000_handle_part_id_command(struct command_context_s *cmd_ctx, cha
        {
                command_print(cmd_ctx, "lpc2000 part id: 0x%8.8x", result_table[0]);
        }
-       
+
        return ERROR_OK;
 }