From 55ebb067d1214b4136343ac6356ad15169a631f2 Mon Sep 17 00:00:00 2001
From: oharboe <oharboe@b42882b7-edfa-0310-969c-e2dbd0fdcd60>
Date: Tue, 21 Apr 2009 05:31:18 +0000
Subject: [PATCH] Michael Schwingen <rincewind@discworld.dascon.de> add non-CFI
SST flashs
git-svn-id: svn://svn.berlios.de/openocd/trunk@1480 b42882b7-edfa-0310-969c-e2dbd0fdcd60
---
AUTHORS | 1 +
src/flash/cfi.c | 8 +--
src/flash/cfi.h | 6 ++-
src/flash/non_cfi.c | 119 +++++++++++++++++++++++++++++++++++++++-----
src/flash/non_cfi.h | 1 +
5 files changed, 118 insertions(+), 17 deletions(-)
diff --git a/AUTHORS b/AUTHORS
index 7e5806417..e76920b47 100644
--- a/AUTHORS
+++ b/AUTHORS
@@ -5,3 +5,4 @@ Spencer Oliver <spen@spen-soft.co.uk>
Carsten Schlote <schlote@vahanus.net>
Øyvind Harboe <oyvind.harboe@zylin.com>
Duane Ellis <openocd@duaneellis.com>
+Michael Schwingen <michael@schwingen.org>
diff --git a/src/flash/cfi.c b/src/flash/cfi.c
index 0426fd2e6..b4bb60533 100644
--- a/src/flash/cfi.c
+++ b/src/flash/cfi.c
@@ -296,13 +296,14 @@ u8 cfi_intel_wait_status_busy(flash_bank_t *bank, int timeout)
int cfi_spansion_wait_status_busy(flash_bank_t *bank, int timeout)
{
u8 status, oldstatus;
+ cfi_flash_bank_t *cfi_info = bank->driver_priv;
oldstatus = cfi_get_u8(bank, 0, 0x0);
do {
status = cfi_get_u8(bank, 0, 0x0);
if ((status ^ oldstatus) & 0x40) {
- if (status & 0x20) {
+ if (status & cfi_info->status_poll_mask & 0x20) {
oldstatus = cfi_get_u8(bank, 0, 0x0);
status = cfi_get_u8(bank, 0, 0x0);
if ((status ^ oldstatus) & 0x40) {
@@ -313,7 +314,7 @@ int cfi_spansion_wait_status_busy(flash_bank_t *bank, int timeout)
return(ERROR_OK);
}
}
- } else {
+ } else { /* no toggle: finished, OK */
LOG_DEBUG("status: 0x%x", status);
return(ERROR_OK);
}
@@ -2283,6 +2284,7 @@ static int cfi_probe(struct flash_bank_s *bank)
break;
/* AMD/Spansion, Atmel, ... command set */
case 0x0002:
+ cfi_info->status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7; /* default for all CFI flashs */
cfi_read_0002_pri_ext(bank);
break;
default:
@@ -2303,7 +2305,7 @@ static int cfi_probe(struct flash_bank_s *bank)
{
return retval;
}
- }
+ } /* end CFI case */
/* apply fixups depending on the primary command set */
switch(cfi_info->pri_id)
diff --git a/src/flash/cfi.h b/src/flash/cfi.h
index 5eab7efdd..dc43dd18b 100644
--- a/src/flash/cfi.h
+++ b/src/flash/cfi.h
@@ -23,11 +23,13 @@
#include "flash.h"
#include "target.h"
+#define CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7 0xE0 /* DQ5..DQ7 */
+#define CFI_STATUS_POLL_MASK_DQ6_DQ7 0xC0 /* DQ6..DQ7 */
+
typedef struct cfi_flash_bank_s
{
working_area_t *write_algorithm;
-
int x16_as_x8;
int jedec_probe;
int not_cfi;
@@ -58,6 +60,8 @@ typedef struct cfi_flash_bank_s
u8 block_erase_timeout_max;
u8 chip_erase_timeout_max;
+ u8 status_poll_mask;
+
/* flash geometry */
u32 dev_size;
u16 interface_desc;
diff --git a/src/flash/non_cfi.c b/src/flash/non_cfi.c
index b9ef11273..20aa9f1e1 100644
--- a/src/flash/non_cfi.c
+++ b/src/flash/non_cfi.c
@@ -44,6 +44,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 64*KB,
.interface_desc = 0x0, /* x8 only device */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 1,
.erase_region_info =
{
@@ -57,6 +58,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 128*KB,
.interface_desc = 0x0, /* x8 only device */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 1,
.erase_region_info =
{
@@ -70,6 +72,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 256*KB,
.interface_desc = 0x0, /* x8 only device */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 1,
.erase_region_info =
{
@@ -83,6 +86,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 512*KB,
.interface_desc = 0x0, /* x8 only device */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 1,
.erase_region_info =
{
@@ -96,6 +100,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 512*KB,
.interface_desc = 0x2, /* x8 or x16 device */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 1,
.erase_region_info =
{
@@ -109,6 +114,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 512*KB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -125,6 +131,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 512*KB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -134,6 +141,94 @@ non_cfi_t non_cfi_flashes[] = {
ERASE_REGION( 1, 16*KB)
}
},
+
+ /* SST 39VF* do not support DQ5 status polling - this currently is
+ only supported by the host algorithm, not by the target code using
+ the work area. */
+ {
+ .mfr = CFI_MFR_SST,
+ .id = 0x2782, /* SST39xF160 */
+ .pri_id = 0x02,
+ .dev_size = 2*MB,
+ .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
+ .max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ6_DQ7,
+ .num_erase_regions = 1,
+ .erase_region_info =
+ {
+ ERASE_REGION(512, 4*KB)
+ }
+ },
+ {
+ .mfr = CFI_MFR_SST,
+ .id = 0x2783, /* SST39VF320 */
+ .pri_id = 0x02,
+ .dev_size = 4*MB,
+ .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
+ .max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ6_DQ7,
+ .num_erase_regions = 1,
+ .erase_region_info =
+ {
+ ERASE_REGION(1024, 4*KB)
+ }
+ },
+ {
+ .mfr = CFI_MFR_SST,
+ .id = 0x234b, /* SST39VF1601 */
+ .pri_id = 0x02,
+ .dev_size = 2*MB,
+ .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
+ .max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ6_DQ7,
+ .num_erase_regions = 1,
+ .erase_region_info =
+ {
+ ERASE_REGION(512, 4*KB)
+ }
+ },
+ {
+ .mfr = CFI_MFR_SST,
+ .id = 0x234a, /* SST39VF1602 */
+ .pri_id = 0x02,
+ .dev_size = 2*MB,
+ .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
+ .max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ6_DQ7,
+ .num_erase_regions = 1,
+ .erase_region_info =
+ {
+ ERASE_REGION(512, 4*KB)
+ }
+ },
+ {
+ .mfr = CFI_MFR_SST,
+ .id = 0x235b, /* SST39VF3201 */
+ .pri_id = 0x02,
+ .dev_size = 4*MB,
+ .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
+ .max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ6_DQ7,
+ .num_erase_regions = 1,
+ .erase_region_info =
+ {
+ ERASE_REGION(1024, 4*KB)
+ }
+ },
+ {
+ .mfr = CFI_MFR_SST,
+ .id = 0x235a, /* SST39VF3202 */
+ .pri_id = 0x02,
+ .dev_size = 4*MB,
+ .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
+ .max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ6_DQ7,
+ .num_erase_regions = 1,
+ .erase_region_info =
+ {
+ ERASE_REGION(1024, 4*KB)
+ }
+ },
{
.mfr = CFI_MFR_AMD,
.id = 0x22ab, /* AM29F400BB */
@@ -141,6 +236,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 512*KB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -157,6 +253,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 512*KB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -173,6 +270,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 1*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -189,6 +287,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 1*MB,
.interface_desc = 0x2,
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -205,6 +304,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 1*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -222,6 +322,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 2*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -238,6 +339,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 2*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -247,19 +349,6 @@ non_cfi_t non_cfi_flashes[] = {
ERASE_REGION( 1, 16*KB)
}
},
- {
- .mfr = CFI_MFR_SST,
- .id = 0x2782, /* SST39xF160 */
- .pri_id = 0x02,
- .dev_size = 2*MB,
- .interface_desc = 0x2, /* x8 or x16 device with nBYTE */
- .max_buf_write_size = 0x0,
- .num_erase_regions = 1,
- .erase_region_info =
- {
- ERASE_REGION(512, 4*KB)
- }
- },
{
.mfr = CFI_MFR_ATMEL,
.id = 0x00c0, /* Atmel 49BV1614 */
@@ -267,6 +356,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 2*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 3,
.erase_region_info =
{
@@ -282,6 +372,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 2*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 3,
.erase_region_info =
{
@@ -297,6 +388,7 @@ non_cfi_t non_cfi_flashes[] = {
.dev_size = 1*MB,
.interface_desc = 0x2, /* x8 or x16 device with nBYTE */
.max_buf_write_size = 0x0,
+ .status_poll_mask = CFI_STATUS_POLL_MASK_DQ5_DQ6_DQ7,
.num_erase_regions = 4,
.erase_region_info =
{
@@ -358,6 +450,7 @@ void cfi_fixup_non_cfi(flash_bank_t *bank)
cfi_info->interface_desc = non_cfi->interface_desc;
cfi_info->max_buf_write_size = non_cfi->max_buf_write_size;
+ cfi_info->status_poll_mask = non_cfi->status_poll_mask;
cfi_info->num_erase_regions = non_cfi->num_erase_regions;
cfi_info->erase_region_info = non_cfi->erase_region_info;
cfi_info->dev_size = non_cfi->dev_size;
diff --git a/src/flash/non_cfi.h b/src/flash/non_cfi.h
index 19fef8530..e4b33d403 100644
--- a/src/flash/non_cfi.h
+++ b/src/flash/non_cfi.h
@@ -32,6 +32,7 @@ typedef struct non_cfi_s
u16 max_buf_write_size;
u8 num_erase_regions;
u32 erase_region_info[6];
+ u8 status_poll_mask;
} non_cfi_t;
extern non_cfi_t non_cfi_flashes[];
--
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