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flash: add NXP LPC800 support 

Not tested, adapted from http://tech.groups.yahoo.com/group/versaloon/message/391

Change-Id: I142fa6f29e66fd334baca14217aca97e1fc6c7d9
Signed-off-by: Spencer Oliver <spen@spen-soft.co.uk>
Reviewed-on: http://openocd.zylin.com/1509
Tested-by: jenkins
__archive__
Nemui Trinomius 2013-07-16 15:54:17 +01:00 committed by Spencer Oliver
parent 83f1c6f916
commit 0bd6ef5f5d
1 changed files with 62 additions and 2 deletions
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64
src/flash/nor/lpc2000.c
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@ -62,6 +62,9 @@
* lpc4300 (also available as lpc1800 - alias)
* - 43x2 | 3 | 5 | 7 (tested with 4337)
* - 18x2 | 3 | 5 | 7
*
* lpc800:
* - 810 | 1 | 2 (tested with 812)
*/
typedef enum {
@ -69,12 +72,14 @@ typedef enum {
lpc2000_v2,
lpc1700,
lpc4300,
lpc800,
} lpc2000_variant;
struct lpc2000_flash_bank {
lpc2000_variant variant;
uint32_t cclk;
int cmd51_dst_boundary;
int cmd51_can_64b;
int cmd51_can_256b;
int cmd51_can_8192b;
int calc_checksum;
@ -224,7 +229,20 @@ static int lpc2000_build_sector_list(struct flash_bank *bank)
}
} else if (lpc2000_info->variant == lpc1700) {
switch (bank->size) {
case 4 * 1024:
lpc2000_info->cmd51_max_buffer = 1024;
bank->num_sectors = 1;
break;
case 8 * 1024:
lpc2000_info->cmd51_max_buffer = 1024;
bank->num_sectors = 2;
break;
case 16 * 1024:
lpc2000_info->cmd51_max_buffer = 1024;
bank->num_sectors = 4;
break;
case 32 * 1024:
lpc2000_info->cmd51_max_buffer = 1024;
bank->num_sectors = 8;
break;
case 64 * 1024:
@ -280,6 +298,35 @@ static int lpc2000_build_sector_list(struct flash_bank *bank)
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 1;
}
} else if (lpc2000_info->variant == lpc800) {
lpc2000_info->cmd51_max_buffer = 1024;
switch (bank->size) {
case 4 * 1024:
bank->num_sectors = 4;
break;
case 8 * 1024:
bank->num_sectors = 8;
break;
case 16 * 1024:
bank->num_sectors = 16;
break;
default:
LOG_ERROR("BUG: unknown bank->size encountered");
exit(-1);
}
bank->sectors = malloc(sizeof(struct flash_sector) * bank->num_sectors);
for (int i = 0; i < bank->num_sectors; i++) {
bank->sectors[i].offset = offset;
/* sectors 0-15 are 1kB-sized for LPC8xx devices */
bank->sectors[i].size = 1 * 1024;
offset += bank->sectors[i].size;
bank->sectors[i].is_erased = -1;
bank->sectors[i].is_protected = 1;
}
} else {
LOG_ERROR("BUG: unknown lpc2000_info->variant encountered");
exit(-1);
@ -293,7 +340,7 @@ static int lpc2000_build_sector_list(struct flash_bank *bank)
* 0x0 to 0x7: jump gate (BX to thumb state, b -2 to wait)
* 0x8 to 0x1f: command parameter table (1+5 words)
* 0x20 to 0x33: command result table (1+4 words)
* 0x34 to 0xb3|0x104: stack (only 128b needed for lpc17xx/2000, 208 for lpc43xx)
* 0x34 to 0xb3|0x104: stack (only 128b needed for lpc17xx/2000, 208 for lpc43xx and 148b for lpc8xx)
*/
static int lpc2000_iap_working_area_init(struct flash_bank *bank, struct working_area **iap_working_area)
@ -310,6 +357,7 @@ static int lpc2000_iap_working_area_init(struct flash_bank *bank, struct working
/* write IAP code to working area */
switch (lpc2000_info->variant) {
case lpc800:
case lpc1700:
case lpc4300:
target_buffer_set_u32(target, jump_gate, ARMV4_5_T_BX(12));
@ -346,6 +394,7 @@ static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_wo
uint32_t iap_entry_point = 0; /* to make compiler happier */
switch (lpc2000_info->variant) {
case lpc800:
case lpc1700:
armv7m_info.common_magic = ARMV7M_COMMON_MAGIC;
armv7m_info.core_mode = ARM_MODE_THREAD;
@ -396,6 +445,7 @@ static int lpc2000_iap_call(struct flash_bank *bank, struct working_area *iap_wo
buf_set_u32(reg_params[2].value, 0, 32, iap_entry_point);
switch (lpc2000_info->variant) {
case lpc800:
case lpc1700:
case lpc4300:
/* IAP stack */
@ -540,6 +590,14 @@ FLASH_BANK_COMMAND_HANDLER(lpc2000_flash_bank_command)
lpc2000_info->cmd51_can_8192b = 0;
lpc2000_info->checksum_vector = 7;
lpc2000_info->iap_max_stack = 208;
} else if (strcmp(CMD_ARGV[6], "lpc800") == 0) {
lpc2000_info->variant = lpc800;
lpc2000_info->cmd51_dst_boundary = 64;
lpc2000_info->cmd51_can_64b = 1;
lpc2000_info->cmd51_can_256b = 0;
lpc2000_info->cmd51_can_8192b = 0;
lpc2000_info->checksum_vector = 7;
lpc2000_info->iap_max_stack = 148;
} else {
LOG_ERROR("unknown LPC2000 variant: %s", CMD_ARGV[6]);
free(lpc2000_info);
@ -730,8 +788,10 @@ static int lpc2000_write(struct flash_bank *bank, uint8_t *buffer, uint32_t offs
thisrun_bytes = 1024;
else if ((bytes_remaining >= 512) || (!lpc2000_info->cmd51_can_256b))
thisrun_bytes = 512;
else
else if ((bytes_remaining >= 256) || (!lpc2000_info->cmd51_can_64b))
thisrun_bytes = 256;
else
thisrun_bytes = 64;
/* Prepare sectors */
param_table[0] = first_sector;