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Michael Schwingen <rincewind@discworld.dascon.de> add non-CFI SST flashs
[openocd.git] / src / flash / cfi.c
diff --git a/src/flash/cfi.c b/src/flash/cfi.c
index 6b777fa8e3d0459aeb73a06bb2800bb8ed08c9e3..b4bb605339e9076c732909de4dca69d6e50cfa55 100644 (file)
--- a/src/flash/cfi.c
+++ b/src/flash/cfi.c
@@ -1,6 +1,8 @@
 /***************************************************************************
  *   Copyright (C) 2005, 2007 by Dominic Rath                              *
  *   Dominic.Rath@gmx.de                                                   *
+ *   Copyright (C) 2009 Michael Schwingen                                  *
+ *   michael@schwingen.org                                                 *
  *                                                                         *
  *   This program is free software; you can redistribute it and/or modify  *
  *   it under the terms of the GNU General Public License as published by  *
@@ -82,24 +84,6 @@ static void cfi_fixup_0002_erase_regions(flash_bank_t *flash, void *param);
 static void cfi_fixup_0002_unlock_addresses(flash_bank_t *flash, void *param);
 static void cfi_fixup_atmel_reversed_erase_regions(flash_bank_t *flash, void *param);
 
-/* fixup after identifying JEDEC manufactuer and ID */
-static cfi_fixup_t cfi_jedec_fixups[] = {
-       {CFI_MFR_SST, 0x00D4, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_SST, 0x00D5, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_SST, 0x00D6, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_SST, 0x00D7, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_SST, 0x2780, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_ST, 0x00D5, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_ST, 0x00D6, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_AMD, 0x2223, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_AMD, 0x22ab, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_FUJITSU, 0x226b, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_AMIC, 0xb31a, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_MX, 0x225b, cfi_fixup_non_cfi, NULL},
-       {CFI_MFR_AMD, 0x225b, cfi_fixup_non_cfi, NULL},
-       {0, 0, NULL, NULL}
-};
-
 /* fixup after reading cmdset 0002 primary query table */
 static cfi_fixup_t cfi_0002_fixups[] = {
        {CFI_MFR_SST, 0x00D4, cfi_fixup_0002_unlock_addresses, &cfi_unlock_addresses[CFI_UNLOCK_5555_2AAA]},
@@ -312,13 +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) {
@@ -329,7 +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);
                }
@@ -633,6 +618,8 @@ static int cfi_flash_bank_command(struct command_context_s *cmd_ctx, char *cmd,
 {
        cfi_flash_bank_t *cfi_info;
        int i;
+       (void) cmd_ctx;
+       (void) cmd;
 
        if (argc < 6)
        {
@@ -964,7 +951,7 @@ static int cfi_protect(struct flash_bank_s *bank, int set, int first, int last)
                        cfi_intel_protect(bank, set, first, last);
                        break;
                default:
-                       LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id);
+                       LOG_ERROR("protect: cfi primary command set %i unsupported", cfi_info->pri_id);
                        break;
        }
 
@@ -1843,7 +1830,7 @@ static int cfi_write_words(struct flash_bank_s *bank, u8 *word, u32 wordcount, u
                        return cfi_intel_write_words(bank, word, wordcount, address);
                        break;
                case 2:
-                       return cfi_spansion_write_words(bank, word, wordcount, address); 
+                       return cfi_spansion_write_words(bank, word, wordcount, address);
                        break;
                default:
                        LOG_ERROR("cfi primary command set %i unsupported", cfi_info->pri_id);
@@ -1965,7 +1952,7 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
                                LOG_ERROR("Unsupported chip width %d", bank->chip_width);
                                return ERROR_FLASH_OPERATION_FAILED;
                        }
-                       
+
                        bufferwsize/=(bank->bus_width / bank->chip_width);
 
                        /* fall back to memory writes */
@@ -2064,6 +2051,7 @@ int cfi_write(struct flash_bank_s *bank, u8 *buffer, u32 offset, u32 count)
 
 static void cfi_fixup_atmel_reversed_erase_regions(flash_bank_t *bank, void *param)
 {
+       (void) param;
        cfi_flash_bank_t *cfi_info = bank->driver_priv;
        cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
 
@@ -2075,6 +2063,7 @@ static void cfi_fixup_0002_erase_regions(flash_bank_t *bank, void *param)
        int i;
        cfi_flash_bank_t *cfi_info = bank->driver_priv;
        cfi_spansion_pri_ext_t *pri_ext = cfi_info->pri_ext;
+       (void) param;
 
        if ((pri_ext->_reversed_geometry) || (pri_ext->TopBottom == 3))
        {
@@ -2110,7 +2099,6 @@ static int cfi_probe(struct flash_bank_s *bank)
        int num_sectors = 0;
        int i;
        int sector = 0;
-       u32 offset = 0;
        u32 unlock1 = 0x555;
        u32 unlock2 = 0x2aa;
        int retval;
@@ -2175,6 +2163,7 @@ static int cfi_probe(struct flash_bank_s *bank)
                }
        }
 
+       LOG_INFO("Flash Manufacturer/Device: 0x%04x 0x%04x", cfi_info->manufacturer, cfi_info->device_id);
        /* switch back to read array mode */
        cfi_command(bank, 0xf0, command);
        if((retval = target->type->write_memory(target, flash_address(bank, 0, 0x00), bank->bus_width, 1, command)) != ERROR_OK)
@@ -2187,7 +2176,8 @@ static int cfi_probe(struct flash_bank_s *bank)
                return retval;
        }
 
-       cfi_fixup(bank, cfi_jedec_fixups);
+       /* check device/manufacturer ID for known non-CFI flashes. */
+       cfi_fixup_non_cfi(bank);
 
        /* query only if this is a CFI compatible flash,
         * otherwise the relevant info has already been filled in
@@ -2225,7 +2215,7 @@ static int cfi_probe(struct flash_bank_s *bank)
                        {
                                return retval;
                        }
-                       LOG_ERROR("Could not probe bank");
+                       LOG_ERROR("Could not probe bank: no QRY");
                        return ERROR_FLASH_BANK_INVALID;
                }
 
@@ -2261,17 +2251,12 @@ static int cfi_probe(struct flash_bank_s *bank)
                        (1 << cfi_info->block_erase_timeout_max) * (1 << cfi_info->block_erase_timeout_typ),
                        (1 << cfi_info->chip_erase_timeout_max) * (1 << cfi_info->chip_erase_timeout_typ));
 
-               cfi_info->dev_size = cfi_query_u8(bank, 0, 0x27);
+               cfi_info->dev_size = 1<<cfi_query_u8(bank, 0, 0x27);
                cfi_info->interface_desc = cfi_query_u16(bank, 0, 0x28);
                cfi_info->max_buf_write_size = cfi_query_u16(bank, 0, 0x2a);
                cfi_info->num_erase_regions = cfi_query_u8(bank, 0, 0x2c);
 
-               LOG_DEBUG("size: 0x%x, interface desc: %i, max buffer write size: %x", 1 << cfi_info->dev_size, cfi_info->interface_desc, (1 << cfi_info->max_buf_write_size));
-
-               if ((u32)((1 << cfi_info->dev_size) * bank->bus_width / bank->chip_width) != bank->size)
-               {
-                       LOG_WARNING("configuration specifies 0x%x size, but a 0x%x size flash was found", bank->size, 1 << cfi_info->dev_size);
-               }
+               LOG_DEBUG("size: 0x%x, interface desc: %i, max buffer write size: %x", cfi_info->dev_size, cfi_info->interface_desc, (1 << cfi_info->max_buf_write_size));
 
                if (cfi_info->num_erase_regions)
                {
@@ -2299,6 +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:
@@ -2319,7 +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)
@@ -2338,6 +2324,11 @@ static int cfi_probe(struct flash_bank_s *bank)
                        break;
        }
 
+       if ((cfi_info->dev_size * bank->bus_width / bank->chip_width) != bank->size)
+       {
+               LOG_WARNING("configuration specifies 0x%x size, but a 0x%x size flash was found", bank->size, cfi_info->dev_size);
+       }
+
        if (cfi_info->num_erase_regions == 0)
        {
                /* a device might have only one erase block, spanning the whole device */
@@ -2351,6 +2342,8 @@ static int cfi_probe(struct flash_bank_s *bank)
        }
        else
        {
+               u32 offset = 0;
+
                for (i = 0; i < cfi_info->num_erase_regions; i++)
                {
                        num_sectors += (cfi_info->erase_region_info[i] & 0xffff) + 1;
@@ -2372,8 +2365,12 @@ static int cfi_probe(struct flash_bank_s *bank)
                                sector++;
                        }
                }
+               if (offset != cfi_info->dev_size)
+               {
+                       LOG_WARNING("CFI size is 0x%x, but total sector size is 0x%x", cfi_info->dev_size, offset);
+               }
        }
-       
+
        cfi_info->probed = 1;
 
        return ERROR_OK;
@@ -2504,7 +2501,7 @@ static int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size)
        }
 
        if (cfi_info->not_cfi == 0)
-       printed = snprintf(buf, buf_size, "\ncfi information:\n");
+               printed = snprintf(buf, buf_size, "\ncfi information:\n");
        else
                printed = snprintf(buf, buf_size, "\nnon-cfi flash:\n");
        buf += printed;
@@ -2546,7 +2543,7 @@ static int cfi_info(struct flash_bank_s *bank, char *buf, int buf_size)
        buf_size -= printed;
 
                printed = snprintf(buf, buf_size, "size: 0x%x, interface desc: %i, max buffer write size: %x\n",
-                                  1 << cfi_info->dev_size,
+                                  cfi_info->dev_size,
                                   cfi_info->interface_desc,
                                   1 << cfi_info->max_buf_write_size);
        buf += printed;
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