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-rw-r--r--src/nxp_tgt.c252
1 files changed, 0 insertions, 252 deletions
diff --git a/src/nxp_tgt.c b/src/nxp_tgt.c
deleted file mode 100644
index a22eda8..0000000
--- a/src/nxp_tgt.c
+++ /dev/null
@@ -1,252 +0,0 @@
-
-#include <stdlib.h>
-#include <string.h>
-#include <stddef.h>
-
-#include "general.h"
-#include "adiv5.h"
-#include "target.h"
-
-#define IAP_PGM_CHUNKSIZE 256 /* should fit in RAM on any device */
-
-struct flash_param {
- uint16_t opcodes[2]; /* two opcodes to return to after calling the ROM */
- uint32_t command[5]; /* command operands */
- uint32_t result[4]; /* result data */
-};
-
-struct flash_program {
- struct flash_param p;
- uint8_t data[IAP_PGM_CHUNKSIZE];
-};
-
-static struct flash_program flash_pgm;
-
-#define MSP 17 // Main stack pointer register number
-#define MIN_RAM_SIZE_FOR_LPC1xxx 2048
-#define RAM_USAGE_FOR_IAP_ROUTINES 32 // IAP routines use 32 bytes at top of ram
-
-#define IAP_ENTRYPOINT 0x1fff1ff1
-#define IAP_RAM_BASE 0x10000000
-
-
-#define IAP_CMD_PREPARE 50
-#define IAP_CMD_PROGRAM 51
-#define IAP_CMD_ERASE 52
-#define IAP_CMD_BLANKCHECK 53
-
-#define IAP_STATUS_CMD_SUCCESS 0
-#define IAP_STATUS_INVALID_COMMAND 1
-#define IAP_STATUS_SRC_ADDR_ERROR 2
-#define IAP_STATUS_DST_ADDR_ERROR 3
-#define IAP_STATUS_SRC_ADDR_NOT_MAPPED 4
-#define IAP_STATUS_DST_ADDR_NOT_MAPPED 5
-#define IAP_STATUS_COUNT_ERROR 6
-#define IAP_STATUS_INVALID_SECTOR 7
-#define IAP_STATUS_SECTOR_NOT_BLANK 8
-#define IAP_STATUS_SECTOR_NOT_PREPARED 9
-#define IAP_STATUS_COMPARE_ERROR 10
-#define IAP_STATUS_BUSY 11
-
-static void lpc11x_iap_call(struct target_s *target, struct flash_param *param, unsigned param_len);
-static int lpc11xx_flash_prepare(struct target_s *target, uint32_t addr, int len);
-static int lpc11xx_flash_erase(struct target_s *target, uint32_t addr, int len);
-static int lpc11xx_flash_write(struct target_s *target, uint32_t dest, const uint8_t *src,
- int len);
-
-/*
- * Note that this memory map is actually for the largest of the lpc11xx devices;
- * There seems to be no good way to decode the part number to determine the RAM
- * and flash sizes.
- */
-static const char lpc11xx_xml_memory_map[] = "<?xml version=\"1.0\"?>"
-/* "<!DOCTYPE memory-map "
- " PUBLIC \"+//IDN gnu.org//DTD GDB Memory Map V1.0//EN\""
- " \"http://sourceware.org/gdb/gdb-memory-map.dtd\">"*/
- "<memory-map>"
- " <memory type=\"flash\" start=\"0x00000000\" length=\"0x8000\">"
- " <property name=\"blocksize\">0x1000</property>"
- " </memory>"
- " <memory type=\"ram\" start=\"0x10000000\" length=\"0x2000\"/>"
- "</memory-map>";
-
-
-bool
-lpc11xx_probe(struct target_s *target)
-{
- uint32_t idcode;
-
- /* read the device ID register */
- idcode = adiv5_ap_mem_read(adiv5_target_ap(target), 0x400483F4);
-
- switch (idcode) {
-
- case 0x041E502B:
- case 0x2516D02B:
- case 0x0416502B:
- case 0x2516902B: /* lpc1111 */
- case 0x2524D02B:
- case 0x0425502B:
- case 0x2524902B:
- case 0x1421102B: /* lpc1112 */
- case 0x0434502B:
- case 0x2532902B:
- case 0x0434102B:
- case 0x2532102B: /* lpc1113 */
- case 0x0444502B:
- case 0x2540902B:
- case 0x0444102B:
- case 0x2540102B:
- case 0x1440102B: /* lpc1114 */
- case 0x1431102B: /* lpc11c22 */
- case 0x1430102B: /* lpc11c24 */
- target->driver = "lpc11xx";
- target->xml_mem_map = lpc11xx_xml_memory_map;
- target->flash_erase = lpc11xx_flash_erase;
- target->flash_write = lpc11xx_flash_write;
-
- return true;
- }
-
- return false;
-}
-
-static void
-lpc11x_iap_call(struct target_s *target, struct flash_param *param, unsigned param_len)
-{
- uint32_t regs[target->regs_size];
-
- /* fill out the remainder of the parameters and copy the structure to RAM */
- param->opcodes[0] = 0xbe00;
- param->opcodes[1] = 0x0000;
- target_mem_write_words(target, IAP_RAM_BASE, (void *)param, param_len);
-
- /* set up for the call to the IAP ROM */
- target_regs_read(target, regs);
- regs[0] = IAP_RAM_BASE + offsetof(struct flash_param, command);
- regs[1] = IAP_RAM_BASE + offsetof(struct flash_param, result);
-
- regs[MSP] = IAP_RAM_BASE + MIN_RAM_SIZE_FOR_LPC1xxx - RAM_USAGE_FOR_IAP_ROUTINES;// stack pointer - top of the smallest ram less 32 for IAP usage
- regs[14] = IAP_RAM_BASE | 1;
- regs[15] = IAP_ENTRYPOINT;
- target_regs_write(target, regs);
-
- /* start the target and wait for it to halt again */
- target_halt_resume(target, 0);
- while (!target_halt_wait(target));
-
- /* copy back just the parameters structure */
- target_mem_read_words(target, (void *)param, IAP_RAM_BASE, sizeof(struct flash_param));
-}
-
-static int
-lpc11xx_flash_prepare(struct target_s *target, uint32_t addr, int len)
-{
- /* prepare the sector(s) to be erased */
- memset(&flash_pgm.p, 0, sizeof(flash_pgm.p));
- flash_pgm.p.command[0] = IAP_CMD_PREPARE;
- flash_pgm.p.command[1] = addr / 4096;
- flash_pgm.p.command[2] = (addr + len - 1) / 4096;
-
- lpc11x_iap_call(target, &flash_pgm.p, sizeof(flash_pgm.p));
- if (flash_pgm.p.result[0] != IAP_STATUS_CMD_SUCCESS) {
- return -1;
- }
-
- return 0;
-}
-
-static int
-lpc11xx_flash_erase(struct target_s *target, uint32_t addr, int len)
-{
-
- if (addr % 4096)
- return -1;
-
- /* prepare... */
- if (lpc11xx_flash_prepare(target, addr, len))
- return -1;
-
- /* and now erase them */
- flash_pgm.p.command[0] = IAP_CMD_ERASE;
- flash_pgm.p.command[1] = addr / 4096;
- flash_pgm.p.command[2] = (addr + len - 1) / 4096;
- flash_pgm.p.command[3] = 12000; /* XXX safe to assume this? */
- lpc11x_iap_call(target, &flash_pgm.p, sizeof(flash_pgm.p));
- if (flash_pgm.p.result[0] != IAP_STATUS_CMD_SUCCESS) {
- return -1;
- }
- flash_pgm.p.command[0] = IAP_CMD_BLANKCHECK;
- lpc11x_iap_call(target, &flash_pgm.p, sizeof(flash_pgm.p));
- if (flash_pgm.p.result[0] != IAP_STATUS_CMD_SUCCESS) {
- return -1;
- }
-
- return 0;
-}
-
-static int
-lpc11xx_flash_write(struct target_s *target, uint32_t dest, const uint8_t *src, int len)
-{
- unsigned first_chunk = dest / IAP_PGM_CHUNKSIZE;
- unsigned last_chunk = (dest + len - 1) / IAP_PGM_CHUNKSIZE;
- unsigned chunk_offset = dest % IAP_PGM_CHUNKSIZE;
- unsigned chunk;
-
- for (chunk = first_chunk; chunk <= last_chunk; chunk++) {
-
- DEBUG("chunk %u len %d\n", chunk, len);
- /* first and last chunk may require special handling */
- if ((chunk == first_chunk) || (chunk == last_chunk)) {
-
- /* fill with all ff to avoid sector rewrite corrupting other writes */
- memset(flash_pgm.data, 0xff, sizeof(flash_pgm.data));
-
- /* copy as much as fits */
- int copylen = IAP_PGM_CHUNKSIZE - chunk_offset;
- if (copylen > len)
- copylen = len;
- memcpy(&flash_pgm.data[chunk_offset], src, copylen);
-
- /* update to suit */
- len -= copylen;
- src += copylen;
- chunk_offset = 0;
-
- /* if we are programming the vectors, calculate the magic number */
- if (chunk == 0) {
- uint32_t *w = (uint32_t *)(&flash_pgm.data[0]);
- uint32_t sum = 0;
-
- for (unsigned i = 0; i < 7; i++)
- sum += w[i];
- w[7] = 0 - sum;
- }
-
- } else {
-
- /* interior chunk, must be aligned and full-sized */
- memcpy(flash_pgm.data, src, IAP_PGM_CHUNKSIZE);
- len -= IAP_PGM_CHUNKSIZE;
- src += IAP_PGM_CHUNKSIZE;
- }
-
- /* prepare... */
- if (lpc11xx_flash_prepare(target, chunk * IAP_PGM_CHUNKSIZE, IAP_PGM_CHUNKSIZE))
- return -1;
-
- /* set the destination address and program */
- flash_pgm.p.command[0] = IAP_CMD_PROGRAM;
- flash_pgm.p.command[1] = chunk * IAP_PGM_CHUNKSIZE;
- flash_pgm.p.command[2] = IAP_RAM_BASE + offsetof(struct flash_program, data);
- flash_pgm.p.command[3] = IAP_PGM_CHUNKSIZE;
- flash_pgm.p.command[4] = 12000; /* XXX safe to presume this? */
- lpc11x_iap_call(target, &flash_pgm.p, sizeof(flash_pgm));
- if (flash_pgm.p.result[0] != IAP_STATUS_CMD_SUCCESS) {
- return -1;
- }
-
- }
-
- return 0;
-}