#endif
#include "imp.h"
-#include "lpc2000.h"
#include <helper/binarybuffer.h>
#include <target/algorithm.h>
+#include <target/arm_opcodes.h>
#include <target/armv7m.h>
-
-/* flash programming support for NXP LPC17xx and LPC2xxx devices
+/**
+ * @file
+ * flash programming support for NXP LPC17xx and LPC2xxx devices.
+ *
+ * @todo Provide a way to update CCLK after declaring the flash bank.
+ * The value which is correct after chip reset will rarely still work
+ * right after the clocks switch to use the PLL (e.g. 4MHz --> 100 MHz).
+ */
+/*
* currently supported devices:
* variant 1 (lpc2000_v1):
* - 2104 | 5 | 6
* - 176x (tested with LPC1768)
*/
+typedef enum
+{
+ lpc2000_v1,
+ lpc2000_v2,
+ lpc1700
+} lpc2000_variant;
+
+struct lpc2000_flash_bank
+{
+ lpc2000_variant variant;
+ struct working_area *iap_working_area;
+ uint32_t cclk;
+ int cmd51_dst_boundary;
+ int cmd51_can_256b;
+ int cmd51_can_8192b;
+ int calc_checksum;
+ uint32_t cmd51_max_buffer;
+ int checksum_vector;
+};
+
+enum lpc2000_status_codes
+{
+ LPC2000_CMD_SUCCESS = 0,
+ LPC2000_INVALID_COMMAND = 1,
+ LPC2000_SRC_ADDR_ERROR = 2,
+ LPC2000_DST_ADDR_ERROR = 3,
+ LPC2000_SRC_ADDR_NOT_MAPPED = 4,
+ LPC2000_DST_ADDR_NOT_MAPPED = 5,
+ LPC2000_COUNT_ERROR = 6,
+ LPC2000_INVALID_SECTOR = 7,
+ LPC2000_SECTOR_NOT_BLANK = 8,
+ LPC2000_SECTOR_NOT_PREPARED = 9,
+ LPC2000_COMPARE_ERROR = 10,
+ LPC2000_BUSY = 11,
+ LPC2000_PARAM_ERROR = 12,
+ LPC2000_ADDR_ERROR = 13,
+ LPC2000_ADDR_NOT_MAPPED = 14,
+ LPC2000_CMD_NOT_LOCKED = 15,
+ LPC2000_INVALID_CODE = 16,
+ LPC2000_INVALID_BAUD_RATE = 17,
+ LPC2000_INVALID_STOP_BIT = 18,
+ LPC2000_CRP_ENABLED = 19
+};
+
static int lpc2000_build_sector_list(struct flash_bank *bank)
{
struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
case 256 * 1024:
bank->num_sectors = 15;
break;
- case 512 * 1024:
case 500 * 1024:
bank->num_sectors = 27;
break;
+ case 512 * 1024:
+ case 504 * 1024:
+ bank->num_sectors = 28;
+ break;
default:
LOG_ERROR("BUG: unknown bank->size encountered");
exit(-1);
for (i = 0; i < bank->num_sectors; i++)
{
- if ((i >= 0) && (i < 8))
+ if (i < 8)
{
bank->sectors[i].offset = offset;
bank->sectors[i].size = 4 * 1024;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 1;
}
- if ((i >= 8) && (i < 22))
+ else if (i < 22)
{
bank->sectors[i].offset = offset;
bank->sectors[i].size = 32 * 1024;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 1;
}
- if ((i >= 22) && (i < 27))
+ else if (i < 28)
{
bank->sectors[i].offset = offset;
bank->sectors[i].size = 4 * 1024;
switch(lpc2000_info->variant)
{
case lpc1700:
- target_buffer_set_u32(target, jump_gate, ARMV7M_T_BX(12));
- target_buffer_set_u32(target, jump_gate + 4, ARMV7M_T_B(0xfffffe));
+ target_buffer_set_u32(target, jump_gate,
+ ARMV4_5_T_BX(12));
+ target_buffer_set_u32(target, jump_gate + 4,
+ ARMV5_T_BKPT(0));
break;
case lpc2000_v1:
case lpc2000_v2:
target_buffer_set_u32(target, jump_gate + 4, ARMV4_5_B(0xfffffe, 0));
break;
default:
- LOG_ERROR("BUG: unknown bank->size encountered");
+ LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
exit(-1);
}
init_reg_param(®_params[4], "lr", 32, PARAM_OUT);
buf_set_u32(reg_params[4].value, 0, 32, (lpc2000_info->iap_working_area->address + 0x04) | 1); /* bit0 of LR = 1 to return in Thumb mode */
- target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, lpc2000_info->iap_working_area->address + 0x4, 10000, &armv7m_info);
+ target_run_algorithm(target, 2, mem_params, 5, reg_params, lpc2000_info->iap_working_area->address, 0, 10000, &armv7m_info);
break;
case lpc2000_v1:
case lpc2000_v2:
/* IAP stack */
- init_reg_param(®_params[3], "r13_svc", 32, PARAM_OUT);
+ init_reg_param(®_params[3], "sp_svc", 32, PARAM_OUT);
buf_set_u32(reg_params[3].value, 0, 32, lpc2000_info->iap_working_area->address + 0xb4);
/* return address */
exit(-1);
}
-
status_code = target_buffer_get_u32(target, mem_params[1].value);
result_table[0] = target_buffer_get_u32(target, mem_params[1].value + 0x04);
result_table[1] = target_buffer_get_u32(target, mem_params[1].value + 0x08);
if (CMD_ARGC < 8)
{
- LOG_WARNING("incomplete flash_bank lpc2000 configuration");
- return ERROR_FLASH_BANK_INVALID;
+ return ERROR_COMMAND_SYNTAX_ERROR;
}
lpc2000_info = malloc(sizeof(struct lpc2000_flash_bank));
if ((offset == 0) && (count >= 0x20) && lpc2000_info->calc_checksum)
{
uint32_t checksum = 0;
- int i;
for (i = 0; i < 8; i++)
{
LOG_DEBUG("Vector 0x%2.2x: 0x%8.8" PRIx32, i * 4, buf_get_u32(buffer + (i * 4), 0, 32));
return ERROR_OK;
}
-static int lpc2000_info(struct flash_bank *bank, char *buf, int buf_size)
+static int get_lpc2000_info(struct flash_bank *bank, char *buf, int buf_size)
{
struct lpc2000_flash_bank *lpc2000_info = bank->driver_priv;
static const struct command_registration lpc2000_exec_command_handlers[] = {
{
.name = "part_id",
- .handler = &lpc2000_handle_part_id_command,
+ .handler = lpc2000_handle_part_id_command,
.mode = COMMAND_EXEC,
.help = "print part id of lpc2000 flash bank <num>",
},
};
struct flash_driver lpc2000_flash = {
- .name = "lpc2000",
- .commands = lpc2000_command_handlers,
- .flash_bank_command = &lpc2000_flash_bank_command,
- .erase = &lpc2000_erase,
- .protect = &lpc2000_protect,
- .write = &lpc2000_write,
- .probe = &lpc2000_probe,
- .auto_probe = &lpc2000_probe,
- .erase_check = &lpc2000_erase_check,
- .protect_check = &lpc2000_protect_check,
- .info = &lpc2000_info,
- };
-
-
+ .name = "lpc2000",
+ .commands = lpc2000_command_handlers,
+ .flash_bank_command = lpc2000_flash_bank_command,
+ .erase = lpc2000_erase,
+ .protect = lpc2000_protect,
+ .write = lpc2000_write,
+ .read = default_flash_read,
+ .probe = lpc2000_probe,
+ .auto_probe = lpc2000_probe,
+ .erase_check = lpc2000_erase_check,
+ .protect_check = lpc2000_protect_check,
+ .info = get_lpc2000_info,
+};
projects / fw / openocd / blobdiff