src: add loader src description

[openocd.git] / src / flash / nor / stellaris.c

diff --git a/src/flash/nor/stellaris.c b/src/flash/nor/stellaris.c
index cce5f3700121eb8e46761a84f005d3b14bcfb577..069ee8c1c111a86722b11ca7b82519934c598c47 100644 (file)
--- a/src/flash/nor/stellaris.c
+++ b/src/flash/nor/stellaris.c
@@ -22,7 +22,7 @@
  ***************************************************************************/
 
 /***************************************************************************
-* STELLARIS is tested on LM3S811, LM3S6965
+* STELLARIS flash is tested on LM3S811, LM3S6965, LM3s3748, more.
 ***************************************************************************/
 #ifdef HAVE_CONFIG_H
 #include "config.h"
@@ -255,7 +255,7 @@ FLASH_BANK_COMMAND_HANDLER(stellaris_flash_bank_command)
        return ERROR_OK;
 }
 
-static int stellaris_info(struct flash_bank *bank, char *buf, int buf_size)
+static int get_stellaris_info(struct flash_bank *bank, char *buf, int buf_size)
 {
        int printed, device_class;
        struct stellaris_flash_bank *stellaris_info = bank->driver_priv;
@@ -773,6 +773,8 @@ static int stellaris_protect(struct flash_bank *bank, int set, int first, int la
        return ERROR_OK;
 }
 
+/* see contib/loaders/flash/stellaris.s for src */
+
 static const uint8_t stellaris_write_code[] =
 {
 /*
@@ -816,7 +818,7 @@ static int stellaris_write_block(struct flash_bank *bank,
                uint8_t *buffer, uint32_t offset, uint32_t wcount)
 {
        struct target *target = bank->target;
-       uint32_t buffer_size = 8192;
+       uint32_t buffer_size = 16384;
        struct working_area *source;
        struct working_area *write_algorithm;
        uint32_t address = bank->base + offset;
@@ -884,8 +886,7 @@ static int stellaris_write_block(struct flash_bank *bank,
                                (unsigned) (wcount - thisrun_count));
                retval = target_run_algorithm(target, 0, NULL, 3, reg_params,
                                write_algorithm->address,
-                               write_algorithm->address +
-                                       sizeof(stellaris_write_code) - 10,
+                               0,
                                10000, &armv7m_info);
                if (retval != ERROR_OK)
                {
@@ -1065,6 +1066,12 @@ static int stellaris_probe(struct flash_bank *bank)
        if (retval != ERROR_OK)
                return retval;
 
+       if (bank->sectors)
+       {
+               free(bank->sectors);
+               bank->sectors = NULL;
+       }
+
        /* provide this for the benefit of the NOR flash framework */
        bank->size = 1024 * stellaris_info->num_pages;
        bank->num_sectors = stellaris_info->num_pages;
@@ -1261,9 +1268,10 @@ struct flash_driver stellaris_flash = {
        .erase = stellaris_erase,
        .protect = stellaris_protect,
        .write = stellaris_write,
+       .read = default_flash_read,
        .probe = stellaris_probe,
        .auto_probe = stellaris_probe,
        .erase_check = default_flash_mem_blank_check,
        .protect_check = stellaris_protect_check,
-       .info = stellaris_info,
+       .info = get_stellaris_info,
 };