* MA 02111-1307 USA
*/
+/* #define DEBUG */
+
#include <common.h>
#include <mpc8xx.h>
-flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
+flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
#if defined(CFG_ENV_IS_IN_FLASH)
# ifndef CFG_ENV_ADDR
#define FLASH_PORT_WIDTH16
#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH ushort
-#define FLASH_PORT_WIDTHV vu_short
+#define FLASH_PORT_WIDTH ushort
+#define FLASH_PORT_WIDTHV vu_short
#else
-#define FLASH_PORT_WIDTH ulong
-#define FLASH_PORT_WIDTHV vu_long
+#define FLASH_PORT_WIDTH ulong
+#define FLASH_PORT_WIDTHV vu_long
#endif
-#define FPW FLASH_PORT_WIDTH
-#define FPWV FLASH_PORT_WIDTHV
+#define FPW FLASH_PORT_WIDTH
+#define FPWV FLASH_PORT_WIDTHV
/*-----------------------------------------------------------------------
* Functions
*/
-static ulong flash_get_size (FPW *addr, flash_info_t *info);
-static int write_data (flash_info_t *info, ulong dest, FPW data);
-static void flash_get_offsets (ulong base, flash_info_t *info);
+static ulong flash_get_size (FPW * addr, flash_info_t * info);
+static int write_data (flash_info_t * info, ulong dest, FPW data);
+static void flash_get_offsets (ulong base, flash_info_t * info);
/*-----------------------------------------------------------------------
*/
unsigned long flash_init (void)
{
- volatile immap_t *immap = (immap_t *)CFG_IMMR;
+ volatile immap_t *immap = (immap_t *) CFG_IMMR;
volatile memctl8xx_t *memctl = &immap->im_memctl;
unsigned long size_b0;
int i;
/* Init: no FLASHes known */
- for (i=0; i<CFG_MAX_FLASH_BANKS; ++i) {
+ for (i = 0; i < CFG_MAX_FLASH_BANKS; ++i) {
flash_info[i].flash_id = FLASH_UNKNOWN;
}
/* Static FLASH Bank configuration here - FIXME XXX */
- size_b0 = flash_get_size((FPW *)FLASH_BASE0_PRELIM, &flash_info[0]);
+ size_b0 = flash_get_size ((FPW *) FLASH_BASE0_PRELIM, &flash_info[0]);
if (flash_info[0].flash_id == FLASH_UNKNOWN) {
printf ("## Unknown FLASH on Bank 0 - Size = 0x%08lx = %ld MB\n",
- size_b0, size_b0<<20);
+ size_b0, size_b0 << 20);
}
/* Remap FLASH according to real size */
memctl->memc_br0 = (CFG_FLASH_BASE & BR_BA_MSK) | BR_PS_16 | BR_MS_GPCM | BR_V;
/* Re-do sizing to get full correct info */
- size_b0 = flash_get_size((FPW *)CFG_FLASH_BASE, &flash_info[0]);
+ size_b0 = flash_get_size ((FPW *) CFG_FLASH_BASE, &flash_info[0]);
flash_get_offsets (CFG_FLASH_BASE, &flash_info[0]);
#if CFG_MONITOR_BASE >= CFG_FLASH_BASE
/* monitor protection ON by default */
- (void)flash_protect(FLAG_PROTECT_SET,
- CFG_FLASH_BASE,
- CFG_FLASH_BASE+CFG_MONITOR_LEN-1,
- &flash_info[0]);
+ (void) flash_protect (FLAG_PROTECT_SET,
+ CFG_FLASH_BASE,
+ CFG_FLASH_BASE + CFG_MONITOR_LEN - 1,
+ &flash_info[0]);
#endif
#ifdef CFG_ENV_IS_IN_FLASH
/* ENV protection ON by default */
- flash_protect(FLAG_PROTECT_SET,
- CFG_ENV_ADDR,
- CFG_ENV_ADDR+CFG_ENV_SIZE-1,
- &flash_info[0]);
+ flash_protect (FLAG_PROTECT_SET,
+ CFG_ENV_ADDR,
+ CFG_ENV_ADDR + CFG_ENV_SIZE - 1,
+ &flash_info[0]);
#endif
flash_info[0].size = size_b0;
/*-----------------------------------------------------------------------
*/
-static void flash_get_offsets (ulong base, flash_info_t *info)
+static void flash_get_offsets (ulong base, flash_info_t * info)
{
int i;
/*-----------------------------------------------------------------------
*/
-void flash_print_info (flash_info_t *info)
+void flash_print_info (flash_info_t * info)
{
int i;
}
switch (info->flash_id & FLASH_VENDMASK) {
- case FLASH_MAN_INTEL: printf ("INTEL "); break;
- default: printf ("Unknown Vendor "); break;
+ case FLASH_MAN_INTEL:
+ printf ("INTEL ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
}
switch (info->flash_id & FLASH_TYPEMASK) {
- case FLASH_28F320J3A:
- printf ("28F320J3A\n"); break;
- case FLASH_28F640J3A:
- printf ("28F640J3A\n"); break;
- case FLASH_28F128J3A:
- printf ("28F128J3A\n"); break;
- default: printf ("Unknown Chip Type\n"); break;
+ case FLASH_28F320J3A:
+ printf ("28F320J3A\n");
+ break;
+ case FLASH_28F640J3A:
+ printf ("28F640J3A\n");
+ break;
+ case FLASH_28F128J3A:
+ printf ("28F128J3A\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
}
printf (" Size: %ld MB in %d Sectors\n",
- info->size >> 20, info->sector_count);
+ info->size >> 20, info->sector_count);
printf (" Sector Start Addresses:");
- for (i=0; i<info->sector_count; ++i) {
+ for (i = 0; i < info->sector_count; ++i) {
if ((i % 5) == 0)
printf ("\n ");
printf (" %08lX%s",
info->start[i],
- info->protect[i] ? " (RO)" : " "
- );
+ info->protect[i] ? " (RO)" : " ");
}
printf ("\n");
return;
* The following code cannot be run from FLASH!
*/
-static ulong flash_get_size (FPW *addr, flash_info_t *info)
+static ulong flash_get_size (FPW * addr, flash_info_t * info)
{
FPW value;
/* Write auto select command: read Manufacturer ID */
- addr[0x5555] = (FPW)0x00AA00AA;
- addr[0x2AAA] = (FPW)0x00550055;
- addr[0x5555] = (FPW)0x00900090;
+ addr[0x5555] = (FPW) 0x00AA00AA;
+ addr[0x2AAA] = (FPW) 0x00550055;
+ addr[0x5555] = (FPW) 0x00900090;
value = addr[0];
- switch (value) {
- case (FPW)INTEL_MANUFACT:
- info->flash_id = FLASH_MAN_INTEL;
- break;
+ debug ("Manuf. ID @ 0x%08lx: 0x%08lx\n", (ulong)addr, value);
+
+ switch (value) {
+ case (FPW) INTEL_MANUFACT:
+ info->flash_id = FLASH_MAN_INTEL;
+ break;
default:
info->flash_id = FLASH_UNKNOWN;
info->sector_count = 0;
info->size = 0;
- addr[0] = (FPW)0x00FF00FF; /* restore read mode */
- return (0); /* no or unknown flash */
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
+ return (0); /* no or unknown flash */
}
- value = addr[1]; /* device ID */
+ value = addr[1]; /* device ID */
+
+ debug ("Device ID @ 0x%08lx: 0x%08lx\n", (ulong)(&addr[1]), value);
- switch (value) {
- case (FPW)INTEL_ID_28F320J3A:
- info->flash_id += FLASH_28F320J3A;
- info->sector_count = 32;
- info->size = 0x00400000;
- break; /* => 4 MB */
+ switch (value) {
+ case (FPW) INTEL_ID_28F320J3A:
+ info->flash_id += FLASH_28F320J3A;
+ info->sector_count = 32;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
- case (FPW)INTEL_ID_28F640J3A:
- info->flash_id += FLASH_28F640J3A;
- info->sector_count = 64;
- info->size = 0x00800000;
- break; /* => 8 MB */
+ case (FPW) INTEL_ID_28F640J3A:
+ info->flash_id += FLASH_28F640J3A;
+ info->sector_count = 64;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
- case (FPW)INTEL_ID_28F128J3A:
- info->flash_id += FLASH_28F128J3A;
- info->sector_count = 128;
- info->size = 0x01000000;
- break; /* => 16 MB */
+ case (FPW) INTEL_ID_28F128J3A:
+ info->flash_id += FLASH_28F128J3A;
+ info->sector_count = 128;
+ info->size = 0x01000000;
+ break; /* => 16 MB */
default:
info->flash_id = FLASH_UNKNOWN;
if (info->sector_count > CFG_MAX_FLASH_SECT) {
printf ("** ERROR: sector count %d > max (%d) **\n",
- info->sector_count, CFG_MAX_FLASH_SECT);
+ info->sector_count, CFG_MAX_FLASH_SECT);
info->sector_count = CFG_MAX_FLASH_SECT;
}
- addr[0] = (FPW)0x00FF00FF; /* restore read mode */
+ addr[0] = (FPW) 0x00FF00FF; /* restore read mode */
return (info->size);
}
/*-----------------------------------------------------------------------
*/
-int flash_erase (flash_info_t *info, int s_first, int s_last)
+int flash_erase (flash_info_t * info, int s_first, int s_last)
{
int flag, prot, sect;
ulong type, start, now, last;
}
prot = 0;
- for (sect=s_first; sect<=s_last; ++sect) {
+ for (sect = s_first; sect <= s_last; ++sect) {
if (info->protect[sect]) {
prot++;
}
}
start = get_timer (0);
- last = start;
+ last = start;
/* Start erase on unprotected sectors */
- for (sect = s_first; sect<=s_last; sect++) {
+ for (sect = s_first; sect <= s_last; sect++) {
if (info->protect[sect] == 0) { /* not protected */
- FPWV *addr = (FPWV *)(info->start[sect]);
+ FPWV *addr = (FPWV *) (info->start[sect]);
FPW status;
/* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
+ flag = disable_interrupts ();
- *addr = (FPW)0x00500050; /* clear status register */
- *addr = (FPW)0x00200020; /* erase setup */
- *addr = (FPW)0x00D000D0; /* erase confirm */
+ *addr = (FPW) 0x00500050; /* clear status register */
+ *addr = (FPW) 0x00200020; /* erase setup */
+ *addr = (FPW) 0x00D000D0; /* erase confirm */
/* re-enable interrupts if necessary */
if (flag)
- enable_interrupts();
+ enable_interrupts ();
/* wait at least 80us - let's wait 1 ms */
udelay (1000);
- while (((status = *addr) & (FPW)0x00800080) != (FPW)0x00800080) {
- if ((now=get_timer(start)) > CFG_FLASH_ERASE_TOUT) {
- printf ("Timeout\n");
- *addr = (FPW)0x00B000B0; /* suspend erase */
- *addr = (FPW)0x00FF00FF; /* reset to read mode */
- rcode = 1;
- break;
- }
-
- /* show that we're waiting */
- if ((now - last) > 1000) { /* every second */
- putc ('.');
- last = now;
- }
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if ((now = get_timer (start)) > CFG_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ *addr = (FPW) 0x00B000B0; /* suspend erase */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
+ rcode = 1;
+ break;
+ }
+
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
}
- *addr = (FPW)0x00FF00FF; /* reset to read mode */
+ *addr = (FPW) 0x00FF00FF; /* reset to read mode */
}
}
printf (" done\n");
* 4 - Flash not identified
*/
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
{
ulong cp, wp;
FPW data;
-#if 0
- int count, i, l, rc, port_width;
-#else
+
int i, l, rc, port_width;
-#endif
if (info->flash_id == FLASH_UNKNOWN) {
return 4;
*/
if ((l = addr - wp) != 0) {
data = 0;
- for (i=0, cp=wp; i<l; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
+ for (i = 0, cp = wp; i < l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
}
- for (; i<port_width && cnt>0; ++i) {
+ for (; i < port_width && cnt > 0; ++i) {
data = (data << 8) | *src++;
--cnt;
++cp;
}
- for (; cnt==0 && i<port_width; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
+ for (; cnt == 0 && i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
}
- if ((rc = write_data(info, wp, data)) != 0) {
+ if ((rc = write_data (info, wp, data)) != 0) {
return (rc);
}
wp += port_width;
/*
* handle word aligned part
*/
-#if 0
- count = 0;
-#endif
while (cnt >= port_width) {
data = 0;
- for (i=0; i<port_width; ++i) {
+ for (i = 0; i < port_width; ++i) {
data = (data << 8) | *src++;
}
- if ((rc = write_data(info, wp, data)) != 0) {
+ if ((rc = write_data (info, wp, data)) != 0) {
return (rc);
}
- wp += port_width;
+ wp += port_width;
cnt -= port_width;
-#if 0
- if (count++ > 0x20000)
- {
- putc('.');
- count = 0;
- }
-#endif
}
if (cnt == 0) {
* handle unaligned tail bytes
*/
data = 0;
- for (i=0, cp=wp; i<port_width && cnt>0; ++i, ++cp) {
+ for (i = 0, cp = wp; i < port_width && cnt > 0; ++i, ++cp) {
data = (data << 8) | *src++;
--cnt;
}
- for (; i<port_width; ++i, ++cp) {
- data = (data << 8) | (*(uchar *)cp);
+ for (; i < port_width; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
}
- return (write_data(info, wp, data));
+ return (write_data (info, wp, data));
}
/*-----------------------------------------------------------------------
* 1 - write timeout
* 2 - Flash not erased
*/
-static int write_data (flash_info_t *info, ulong dest, FPW data)
+static int write_data (flash_info_t * info, ulong dest, FPW data)
{
- FPWV *addr = (FPWV *)dest;
+ FPWV *addr = (FPWV *) dest;
ulong status;
ulong start;
int flag;
/* Check if Flash is (sufficiently) erased */
if ((*addr & data) != data) {
- printf("not erased at %08lx (%x)\n",(ulong)addr,*addr);
+ printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
return (2);
}
/* Disable interrupts which might cause a timeout here */
- flag = disable_interrupts();
+ flag = disable_interrupts ();
- *addr = (FPW)0x00400040; /* write setup */
+ *addr = (FPW) 0x00400040; /* write setup */
*addr = data;
/* re-enable interrupts if necessary */
if (flag)
- enable_interrupts();
+ enable_interrupts ();
start = get_timer (0);
- while (((status = *addr) & (FPW)0x00800080) != (FPW)0x00800080) {
- if (get_timer(start) > CFG_FLASH_WRITE_TOUT) {
- *addr = (FPW)0x00FF00FF; /* restore read mode */
+ while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
+ if (get_timer (start) > CFG_FLASH_WRITE_TOUT) {
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
return (1);
}
}
- *addr = (FPW)0x00FF00FF; /* restore read mode */
+ *addr = (FPW) 0x00FF00FF; /* restore read mode */
return (0);
}
-
projects / people / ms / u-boot.git / blobdiff