lpc2900: Fix byte order bugs and remove unnecessary casts

Found by grepping for pointer casts.

Change-Id: Ib94957a0c53ec7abcbd5787d8c70e20c9eedc4b7
Signed-off-by: Andreas Fritiofson <andreas.fritiofson@gmail.com>
Reviewed-on: http://openocd.zylin.com/1770
Tested-by: jenkins
Reviewed-by: Spencer Oliver <spen@spen-soft.co.uk>

diff --git a/src/flash/nor/lpc2900.c b/src/flash/nor/lpc2900.c
index 9663e51ae0c914cd000eee7017b0f1271348ac11..018d94ade2eb8a88ff9a5a5c1b77b68388f87e8c 100644 (file)
--- a/src/flash/nor/lpc2900.c
+++ b/src/flash/nor/lpc2900.c
@@ -175,7 +175,7 @@ static uint32_t lpc2900_is_ready(struct flash_bank *bank);
 static uint32_t lpc2900_read_security_status(struct flash_bank *bank);
 static uint32_t lpc2900_run_bist128(struct flash_bank *bank,
                uint32_t addr_from, uint32_t addr_to,
-               uint32_t (*signature)[4]);
+               uint32_t signature[4]);
 static uint32_t lpc2900_address2sector(struct flash_bank *bank, uint32_t offset);
 static uint32_t lpc2900_calc_tr(uint32_t clock_var, uint32_t time_var);
 
@@ -325,7 +325,7 @@ static uint32_t lpc2900_read_security_status(struct flash_bank *bank)
 static uint32_t lpc2900_run_bist128(struct flash_bank *bank,
        uint32_t addr_from,
        uint32_t addr_to,
-       uint32_t (*signature)[4])
+       uint32_t signature[4])
 {
        struct target *target = bank->target;
 
@@ -342,7 +342,9 @@ static uint32_t lpc2900_run_bist128(struct flash_bank *bank,
                return ERROR_FLASH_OPERATION_FAILED;
 
        /* Return the signature */
-       target_read_memory(target, FMSW0, 4, 4, (uint8_t *)signature);
+       uint8_t sig_buf[4 * 4];
+       target_read_memory(target, FMSW0, 4, 4, sig_buf);
+       target_buffer_get_u32_array(target, sig_buf, 4, signature);
 
        return ERROR_OK;
 }
@@ -382,7 +384,7 @@ static uint32_t lpc2900_address2sector(struct flash_bank *bank,
  */
 static int lpc2900_write_index_page(struct flash_bank *bank,
        int pagenum,
-       uint8_t (*page)[FLASH_PAGE_SIZE])
+       uint8_t page[FLASH_PAGE_SIZE])
 {
        /* Only pages 4...7 are user writable */
        if ((pagenum < 4) || (pagenum > 7)) {
@@ -416,7 +418,7 @@ static int lpc2900_write_index_page(struct flash_bank *bank,
        /* Write whole page to flash data latches */
        if (target_write_memory(target,
                        bank->base + pagenum * FLASH_PAGE_SIZE,
-                       4, FLASH_PAGE_SIZE / 4, (uint8_t *)page) != ERROR_OK) {
+                       4, FLASH_PAGE_SIZE / 4, page) != ERROR_OK) {
                LOG_ERROR("Index sector write failed @ page %d", pagenum);
                target_write_u32(target, FCTR, FCTR_FS_CS | FCTR_FS_WEB);
 
@@ -497,7 +499,7 @@ COMMAND_HANDLER(lpc2900_handle_signature_command)
        }
 
        /* Run BIST over whole flash range */
-       status = lpc2900_run_bist128(bank, bank->base, bank->base + (bank->size - 1), &signature);
+       status = lpc2900_run_bist128(bank, bank->base, bank->base + (bank->size - 1), signature);
        if (status != ERROR_OK)
                return status;
 
@@ -537,7 +539,7 @@ COMMAND_HANDLER(lpc2900_handle_read_custom_command)
        }
 
        /* Storage for customer info. Read in two parts */
-       uint32_t customer[ISS_CUSTOMER_NWORDS1 + ISS_CUSTOMER_NWORDS2];
+       uint8_t customer[4 * (ISS_CUSTOMER_NWORDS1 + ISS_CUSTOMER_NWORDS2)];
 
        /* Enable access to index sector */
        target_write_u32(target, FCTR, FCTR_FS_CS | FCTR_FS_WEB | FCTR_FS_ISS);
@@ -545,10 +547,10 @@ COMMAND_HANDLER(lpc2900_handle_read_custom_command)
        /* Read two parts */
        target_read_memory(target, bank->base+ISS_CUSTOMER_START1, 4,
                ISS_CUSTOMER_NWORDS1,
-               (uint8_t *)&customer[0]);
+               &customer[0]);
        target_read_memory(target, bank->base+ISS_CUSTOMER_START2, 4,
                ISS_CUSTOMER_NWORDS2,
-               (uint8_t *)&customer[ISS_CUSTOMER_NWORDS1]);
+               &customer[4 * ISS_CUSTOMER_NWORDS1]);
 
        /* Deactivate access to index sector */
        target_write_u32(target, FCTR, FCTR_FS_CS | FCTR_FS_WEB);
@@ -563,8 +565,7 @@ COMMAND_HANDLER(lpc2900_handle_read_custom_command)
        }
 
        size_t nwritten;
-       ret = fileio_write(&fileio, sizeof(customer),
-                       (const uint8_t *)customer, &nwritten);
+       ret = fileio_write(&fileio, sizeof(customer), customer, &nwritten);
        if (ret != ERROR_OK) {
                LOG_ERROR("Write operation to file %s failed", filename);
                fileio_close(&fileio);
@@ -677,7 +678,7 @@ COMMAND_HANDLER(lpc2900_handle_write_custom_command)
                image_close(&image);
                return retval;
        }
-       retval = lpc2900_write_index_page(bank, 4, &page);
+       retval = lpc2900_write_index_page(bank, 4, page);
        if (retval != ERROR_OK) {
                image_close(&image);
                return retval;
@@ -693,7 +694,7 @@ COMMAND_HANDLER(lpc2900_handle_write_custom_command)
                image_close(&image);
                return retval;
        }
-       retval = lpc2900_write_index_page(bank, 5, &page);
+       retval = lpc2900_write_index_page(bank, 5, page);
        if (retval != ERROR_OK) {
                image_close(&image);
                return retval;
@@ -752,7 +753,7 @@ COMMAND_HANDLER(lpc2900_handle_secure_sector_command)
                                memset(&page[0x00 + 16*(sector - 8)], 0, 16);
                }
 
-               retval = lpc2900_write_index_page(bank, 6, &page);
+               retval = lpc2900_write_index_page(bank, 6, page);
                if (retval != ERROR_OK) {
                        LOG_ERROR("failed to update index sector page 6");
                        return retval;
@@ -767,7 +768,7 @@ COMMAND_HANDLER(lpc2900_handle_secure_sector_command)
                                memset(&page[0x00 + 16*(sector - 5)], 0, 16);
                }
 
-               retval = lpc2900_write_index_page(bank, 7, &page);
+               retval = lpc2900_write_index_page(bank, 7, page);
                if (retval != ERROR_OK) {
                        LOG_ERROR("failed to update index sector page 7");
                        return retval;
@@ -822,7 +823,7 @@ COMMAND_HANDLER(lpc2900_handle_secure_jtag_command)
        page[0x30 +  3] = 0x7F;
 
        /* Write to page 5 */
-       retval = lpc2900_write_index_page(bank, 5, &page);
+       retval = lpc2900_write_index_page(bank, 5, page);
        if (retval != ERROR_OK) {
                LOG_ERROR("failed to update index sector page 5");
                return retval;
@@ -1142,7 +1143,7 @@ static int lpc2900_write(struct flash_bank *bank, uint8_t *buffer,
         * a target algorithm. If not, fall back to host programming. */
 
        /* We need some room for target code. */
-       uint32_t target_code_size = sizeof(write_target_code);
+       const uint32_t target_code_size = sizeof(write_target_code);
 
        /* Try working area allocation. Start with a large buffer, and try with
         * reduced size if that fails. */
@@ -1166,10 +1167,10 @@ static int lpc2900_write(struct flash_bank *bank, uint8_t *buffer,
                struct arm_algorithm arm_algo;
 
                /* We can use target mode. Download the algorithm. */
-               retval = target_write_buffer(target,
-                               (warea->address)+buffer_size,
-                               target_code_size,
-                               (uint8_t *)write_target_code);
+               uint8_t code[sizeof(write_target_code)];
+               target_buffer_set_u32_array(target, code, ARRAY_SIZE(write_target_code),
+                               write_target_code);
+               retval = target_write_buffer(target, (warea->address) + buffer_size, sizeof(code), code);
                if (retval != ERROR_OK) {
                        LOG_ERROR("Unable to write block write code to target");
                        target_free_all_working_areas(target);
@@ -1549,7 +1550,7 @@ static int lpc2900_erase_check(struct flash_bank *bank)
        for (sector = 0; sector < bank->num_sectors; sector++) {
                uint32_t signature[4];
                status = lpc2900_run_bist128(bank, bank->sectors[sector].offset,
-                               bank->sectors[sector].offset + (bank->sectors[sector].size - 1), &signature);
+                               bank->sectors[sector].offset + (bank->sectors[sector].size - 1), signature);
                if (status != ERROR_OK)
                        return status;