ASR_BASE
Change-Id: Icf3719cc0afe3eeb3edc7fa80a2eb5199ca9dda1
diff --git a/marvell/uboot/board/fads/flash.c b/marvell/uboot/board/fads/flash.c
new file mode 100644
index 0000000..ea2f713
--- /dev/null
+++ b/marvell/uboot/board/fads/flash.c
@@ -0,0 +1,544 @@
+/*
+ * (C) Copyright 2000
+ * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
+ *
+ * SPDX-License-Identifier: GPL-2.0+
+ */
+
+#include <common.h>
+#include <mpc8xx.h>
+
+flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */
+
+#if defined(CONFIG_ENV_IS_IN_FLASH)
+# ifndef CONFIG_ENV_ADDR
+# define CONFIG_ENV_ADDR (CONFIG_SYS_FLASH_BASE + CONFIG_ENV_OFFSET)
+# endif
+# ifndef CONFIG_ENV_SIZE
+# define CONFIG_ENV_SIZE CONFIG_ENV_SECT_SIZE
+# endif
+# ifndef CONFIG_ENV_SECT_SIZE
+# define CONFIG_ENV_SECT_SIZE CONFIG_ENV_SIZE
+# endif
+#endif
+
+#define QUAD_ID(id) ((((ulong)(id) & 0xFF) << 24) | \
+ (((ulong)(id) & 0xFF) << 16) | \
+ (((ulong)(id) & 0xFF) << 8) | \
+ (((ulong)(id) & 0xFF) << 0) \
+ )
+
+/*-----------------------------------------------------------------------
+ * Functions
+ */
+static ulong flash_get_size (vu_long * addr, flash_info_t * info);
+static int write_word (flash_info_t * info, ulong dest, ulong data);
+
+/*-----------------------------------------------------------------------
+ */
+unsigned long flash_init (void)
+{
+ volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
+ volatile memctl8xx_t *memctl = &immap->im_memctl;
+ vu_long *bcsr = (vu_long *)BCSR_ADDR;
+ unsigned long pd_size, total_size, bsize, or_am;
+ int i;
+
+ /* Init: no FLASHes known */
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) {
+ flash_info[i].flash_id = FLASH_UNKNOWN;
+ flash_info[i].size = 0;
+ flash_info[i].sector_count = 0;
+ flash_info[i].start[0] = 0xFFFFFFFF; /* For TFTP */
+ }
+
+ switch ((bcsr[2] & BCSR2_FLASH_PD_MASK) >> BCSR2_FLASH_PD_SHIFT) {
+ case 2:
+ case 4:
+ case 6:
+ pd_size = 0x800000;
+ or_am = 0xFF800000;
+ break;
+
+ case 5:
+ case 7:
+ pd_size = 0x400000;
+ or_am = 0xFFC00000;
+ break;
+
+ case 8:
+ pd_size = 0x200000;
+ or_am = 0xFFE00000;
+ break;
+
+ default:
+ pd_size = 0;
+ or_am = 0xFFE00000;
+ printf("## Unsupported flash detected by BCSR: 0x%08lX\n", bcsr[2]);
+ }
+
+ total_size = 0;
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS && total_size < pd_size; ++i) {
+ bsize = flash_get_size((vu_long *)(CONFIG_SYS_FLASH_BASE + total_size),
+ &flash_info[i]);
+
+ if (flash_info[i].flash_id == FLASH_UNKNOWN) {
+ printf ("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n",
+ i, bsize, bsize >> 20);
+ }
+
+ total_size += bsize;
+ }
+
+ if (total_size != pd_size) {
+ printf("## Detected flash size %lu conflicts with PD data %lu\n",
+ total_size, pd_size);
+ }
+
+ /* Remap FLASH according to real size */
+ memctl->memc_or0 = or_am | CONFIG_SYS_OR_TIMING_FLASH;
+
+ for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS && flash_info[i].size != 0; ++i) {
+#if CONFIG_SYS_MONITOR_BASE >= CONFIG_SYS_FLASH_BASE
+ /* monitor protection ON by default */
+ if (CONFIG_SYS_MONITOR_BASE >= flash_info[i].start[0])
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_SYS_MONITOR_BASE,
+ CONFIG_SYS_MONITOR_BASE + monitor_flash_len - 1,
+ &flash_info[i]);
+#endif
+
+#ifdef CONFIG_ENV_IS_IN_FLASH
+ /* ENV protection ON by default */
+ if (CONFIG_ENV_ADDR >= flash_info[i].start[0])
+ flash_protect (FLAG_PROTECT_SET,
+ CONFIG_ENV_ADDR,
+ CONFIG_ENV_ADDR + CONFIG_ENV_SIZE - 1,
+ &flash_info[i]);
+#endif
+ }
+
+ return total_size;
+}
+
+/*-----------------------------------------------------------------------
+ */
+void flash_print_info (flash_info_t * info)
+{
+ int i;
+
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("missing or unknown FLASH type\n");
+ return;
+ }
+
+ switch (info->flash_id & FLASH_VENDMASK) {
+ case FLASH_MAN_AMD:
+ printf ("AMD ");
+ break;
+ case FLASH_MAN_FUJ:
+ printf ("FUJITSU ");
+ break;
+ case FLASH_MAN_BM:
+ printf ("BRIGHT MICRO ");
+ break;
+ default:
+ printf ("Unknown Vendor ");
+ break;
+ }
+
+ switch (info->flash_id & FLASH_TYPEMASK) {
+ case FLASH_AM040:
+ printf ("29F040 or 29LV040 (4 Mbit, uniform sectors)\n");
+ break;
+ case FLASH_AM080:
+ printf ("29F080 or 29LV080 (8 Mbit, uniform sectors)\n");
+ break;
+ case FLASH_AM400B:
+ printf ("AM29LV400B (4 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM400T:
+ printf ("AM29LV400T (4 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM800B:
+ printf ("AM29LV800B (8 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM800T:
+ printf ("AM29LV800T (8 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM160B:
+ printf ("AM29LV160B (16 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM160T:
+ printf ("AM29LV160T (16 Mbit, top boot sector)\n");
+ break;
+ case FLASH_AM320B:
+ printf ("AM29LV320B (32 Mbit, bottom boot sect)\n");
+ break;
+ case FLASH_AM320T:
+ printf ("AM29LV320T (32 Mbit, top boot sector)\n");
+ break;
+ default:
+ printf ("Unknown Chip Type\n");
+ break;
+ }
+
+ printf (" Size: %ld MB in %d Sectors\n", info->size >> 20,
+ info->sector_count);
+
+ printf (" Sector Start Addresses:");
+
+ for (i = 0; i < info->sector_count; ++i) {
+ if ((i % 5) == 0) {
+ printf ("\n ");
+ }
+
+ printf (" %08lX%s",
+ info->start[i], info->protect[i] ? " (RO)" : " ");
+ }
+
+ printf ("\n");
+}
+
+/*-----------------------------------------------------------------------
+ * The following code can not run from flash!
+ */
+static ulong flash_get_size (vu_long * addr, flash_info_t * info)
+{
+ short i;
+
+ /* Write auto select command: read Manufacturer ID */
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0x90909090;
+
+ switch (addr[0]) {
+ case QUAD_ID(AMD_MANUFACT):
+ info->flash_id = FLASH_MAN_AMD;
+ break;
+
+ case QUAD_ID(FUJ_MANUFACT):
+ info->flash_id = FLASH_MAN_FUJ;
+ break;
+
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ info->sector_count = 0;
+ info->size = 0;
+ break;
+ }
+
+ switch (addr[1]) { /* device ID */
+ case QUAD_ID(AMD_ID_F040B):
+ case QUAD_ID(AMD_ID_LV040B):
+ info->flash_id += FLASH_AM040;
+ info->sector_count = 8;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case QUAD_ID(AMD_ID_F080B):
+ info->flash_id += FLASH_AM080;
+ info->sector_count = 16;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+#if 0
+ case AMD_ID_LV400T:
+ info->flash_id += FLASH_AM400T;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case AMD_ID_LV400B:
+ info->flash_id += FLASH_AM400B;
+ info->sector_count = 11;
+ info->size = 0x00100000;
+ break; /* => 1 MB */
+
+ case AMD_ID_LV800T:
+ info->flash_id += FLASH_AM800T;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case AMD_ID_LV800B:
+ info->flash_id += FLASH_AM800B;
+ info->sector_count = 19;
+ info->size = 0x00200000;
+ break; /* => 2 MB */
+
+ case AMD_ID_LV160T:
+ info->flash_id += FLASH_AM160T;
+ info->sector_count = 35;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ case AMD_ID_LV160B:
+ info->flash_id += FLASH_AM160B;
+ info->sector_count = 35;
+ info->size = 0x00400000;
+ break; /* => 4 MB */
+
+ case AMD_ID_LV320T:
+ info->flash_id += FLASH_AM320T;
+ info->sector_count = 67;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+
+ case AMD_ID_LV320B:
+ info->flash_id += FLASH_AM320B;
+ info->sector_count = 67;
+ info->size = 0x00800000;
+ break; /* => 8 MB */
+#endif /* 0 */
+ default:
+ info->flash_id = FLASH_UNKNOWN;
+ return (0); /* => no or unknown flash */
+ }
+
+#if 0
+ /* set up sector start address table */
+ if (info->flash_id & FLASH_BTYPE) {
+ /* set sector offsets for bottom boot block type */
+ info->start[0] = base + 0x00000000;
+ info->start[1] = base + 0x00008000;
+ info->start[2] = base + 0x0000C000;
+ info->start[3] = base + 0x00010000;
+ for (i = 4; i < info->sector_count; i++) {
+ info->start[i] = base + (i * 0x00020000) - 0x00060000;
+ }
+ } else {
+ /* set sector offsets for top boot block type */
+ i = info->sector_count - 1;
+ info->start[i--] = base + info->size - 0x00008000;
+ info->start[i--] = base + info->size - 0x0000C000;
+ info->start[i--] = base + info->size - 0x00010000;
+ for (; i >= 0; i--) {
+ info->start[i] = base + i * 0x00020000;
+ }
+ }
+#else
+ /* set sector offsets for uniform sector type */
+ for (i = 0; i < info->sector_count; i++)
+ info->start[i] = (ulong)addr + (i * 0x00040000);
+#endif
+
+ /* check for protected sectors */
+ for (i = 0; i < info->sector_count; i++) {
+ /* read sector protection at sector address, (A7 .. A0) = 0x02 */
+ /* D0 = 1 if protected */
+ addr = (volatile unsigned long *) (info->start[i]);
+ info->protect[i] = addr[2] & 1;
+ }
+
+ if (info->flash_id != FLASH_UNKNOWN) {
+ addr = (volatile unsigned long *) info->start[0];
+ *addr = 0xF0F0F0F0; /* reset bank */
+ }
+
+ return (info->size);
+}
+
+/*-----------------------------------------------------------------------
+ */
+int flash_erase (flash_info_t * info, int s_first, int s_last)
+{
+ vu_long *addr = (vu_long *) (info->start[0]);
+ int flag, prot, sect, l_sect;
+ ulong start, now, last;
+
+ if ((s_first < 0) || (s_first > s_last)) {
+ if (info->flash_id == FLASH_UNKNOWN) {
+ printf ("- missing\n");
+ } else {
+ printf ("- no sectors to erase\n");
+ }
+ return ERR_INVAL;
+ }
+
+ if ((info->flash_id == FLASH_UNKNOWN) ||
+ (info->flash_id > FLASH_AMD_COMP)) {
+ printf ("Can't erase unknown flash type - aborted\n");
+ return ERR_UNKNOWN_FLASH_TYPE;
+ }
+
+ prot = 0;
+ for (sect = s_first; sect <= s_last; ++sect) {
+ if (info->protect[sect]) {
+ prot++;
+ }
+ }
+
+ if (prot) {
+ printf ("- Warning: %d protected sectors will not be erased!\n", prot);
+ } else {
+ printf ("\n");
+ }
+
+ l_sect = -1;
+
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0x80808080;
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+
+ /* Start erase on unprotected sectors */
+ for (sect = s_first; sect <= s_last; sect++) {
+ if (info->protect[sect] == 0) { /* not protected */
+ addr = (vu_long *) (info->start[sect]);
+ addr[0] = 0x30303030;
+ l_sect = sect;
+ }
+ }
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* wait at least 80us - let's wait 1 ms */
+ udelay (1000);
+
+ /*
+ * We wait for the last triggered sector
+ */
+ if (l_sect < 0)
+ goto DONE;
+
+ start = get_timer (0);
+ last = start;
+ addr = (vu_long *) (info->start[l_sect]);
+ while ((addr[0] & 0xFFFFFFFF) != 0xFFFFFFFF)
+ {
+ if ((now = get_timer (start)) > CONFIG_SYS_FLASH_ERASE_TOUT) {
+ printf ("Timeout\n");
+ return ERR_TIMOUT;
+ }
+ /* show that we're waiting */
+ if ((now - last) > 1000) { /* every second */
+ putc ('.');
+ last = now;
+ }
+ }
+
+ DONE:
+ /* reset to read mode */
+ addr = (volatile unsigned long *) info->start[0];
+ addr[0] = 0xF0F0F0F0; /* reset bank */
+
+ printf (" done\n");
+
+ return 0;
+}
+
+/*-----------------------------------------------------------------------
+ * Copy memory to flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
+{
+ ulong cp, wp, data;
+ int i, l, rc;
+
+ wp = (addr & ~3); /* get lower word aligned address */
+
+ /*
+ * handle unaligned start bytes
+ */
+ if ((l = addr - wp) != 0) {
+ data = 0;
+ for (i = 0, cp = wp; i < l; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+ for (; i < 4 && cnt > 0; ++i) {
+ data = (data << 8) | *src++;
+ --cnt;
+ ++cp;
+ }
+ for (; cnt == 0 && i < 4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ }
+
+ /*
+ * handle word aligned part
+ */
+ while (cnt >= 4) {
+ data = 0;
+ for (i = 0; i < 4; ++i) {
+ data = (data << 8) | *src++;
+ }
+ if ((rc = write_word (info, wp, data)) != 0) {
+ return (rc);
+ }
+ wp += 4;
+ cnt -= 4;
+ }
+
+ if (cnt == 0) {
+ return (0);
+ }
+
+ /*
+ * handle unaligned tail bytes
+ */
+ data = 0;
+ for (i = 0, cp = wp; i < 4 && cnt > 0; ++i, ++cp) {
+ data = (data << 8) | *src++;
+ --cnt;
+ }
+ for (; i < 4; ++i, ++cp) {
+ data = (data << 8) | (*(uchar *) cp);
+ }
+
+ return (write_word (info, wp, data));
+}
+
+/*-----------------------------------------------------------------------
+ * Write a word to Flash, returns:
+ * 0 - OK
+ * 1 - write timeout
+ * 2 - Flash not erased
+ */
+static int write_word (flash_info_t * info, ulong dest, ulong data)
+{
+ vu_long *addr = (vu_long *) (info->start[0]);
+ ulong start;
+ int flag;
+
+ /* Check if Flash is (sufficiently) erased */
+ if ((*((vu_long *) dest) & data) != data) {
+ return ERR_NOT_ERASED;
+ }
+ /* Disable interrupts which might cause a timeout here */
+ flag = disable_interrupts ();
+
+ addr[0x0555] = 0xAAAAAAAA;
+ addr[0x02AA] = 0x55555555;
+ addr[0x0555] = 0xA0A0A0A0;
+
+ *((vu_long *) dest) = data;
+
+ /* re-enable interrupts if necessary */
+ if (flag)
+ enable_interrupts ();
+
+ /* data polling for D7 */
+ start = get_timer (0);
+ while ((*((vu_long *) dest) & 0x80808080) != (data & 0x80808080))
+ {
+ if (get_timer (start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
+ return ERR_TIMOUT;
+ }
+ }
+ return (0);
+}