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* Patch by Philippe Robin, 28 Sept 2004:
Fix Flash support for Versatile. * Patch by Roger Blofeld, 16 Sep 2004: Fix timeout for DHCP command retry
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wdenk
parent
2ee665339b
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d407bf52b5
@ -2,6 +2,12 @@
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Changes since U-Boot 1.1.1:
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======================================================================
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* Patch by Philippe Robin, 28 Sept 2004:
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Fix Flash support for Versatile.
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* Patch by Roger Blofeld, 16 Sep 2004:
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Fix timeout for DHCP command retry
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* Patch by Pantelis Antoniou, 14 Sep 2004:
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Fix early serial hang when CONFIG_SERIAL_MULTI is defined.
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@ -35,8 +35,8 @@
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flash_info_t flash_info[CFG_MAX_FLASH_BANKS]; /* info for FLASH chips */
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/* Board support for 1 or 2 flash devices */
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#undef FLASH_PORT_WIDTH32
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#define FLASH_PORT_WIDTH16
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#define FLASH_PORT_WIDTH32
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#undef FLASH_PORT_WIDTH16
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#ifdef FLASH_PORT_WIDTH16
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#define FLASH_PORT_WIDTH ushort
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@ -62,9 +62,8 @@ typedef struct OrgDef {
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/* Flash Organizations */
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OrgDef OrgIntel_28F256L18T[] = {
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{4, 32 * 1024}, /* 4 * 32kBytes sectors */
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{255, 128 * 1024}, /* 255 * 128kBytes sectors */
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OrgDef OrgIntel_28F256K3[] = {
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{256, 128 * 1024}, /* 256 * 128kBytes sectors */
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};
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@ -84,6 +83,20 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt);
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/*-----------------------------------------------------------------------
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*/
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static void flash_vpp(int on)
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{
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unsigned int tmp;
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tmp = *(unsigned int *)(VERSATILE_FLASHCTRL);
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if (on)
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tmp |= VERSATILE_FLASHPROG_FLVPPEN;
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else
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tmp &= ~VERSATILE_FLASHPROG_FLVPPEN;
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*(unsigned int *)(VERSATILE_FLASHCTRL) = tmp;
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}
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unsigned long flash_init (void)
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{
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int i;
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@ -91,8 +104,10 @@ unsigned long flash_init (void)
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for (i = 0; i < CFG_MAX_FLASH_BANKS; i++) {
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switch (i) {
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case 0:
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flash_vpp(1);
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flash_get_size ((FPW *) PHYS_FLASH_1, &flash_info[i]);
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flash_get_offsets (PHYS_FLASH_1, &flash_info[i]);
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flash_vpp(0);
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break;
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default:
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panic ("configured too many flash banks!\n");
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@ -117,7 +132,7 @@ static void flash_get_offsets (ulong base, flash_info_t * info)
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int i;
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OrgDef *pOrgDef;
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pOrgDef = OrgIntel_28F256L18T;
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pOrgDef = OrgIntel_28F256K3;
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if (info->flash_id == FLASH_UNKNOWN) {
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return;
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}
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@ -160,6 +175,9 @@ void flash_print_info (flash_info_t * info)
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case FLASH_28F256L18T:
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printf ("FLASH 28F256L18T\n");
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break;
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case FLASH_28F256K3:
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printf ("FLASH 28F256K3\n");
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break;
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default:
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printf ("Unknown Chip Type\n");
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break;
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@ -193,7 +211,6 @@ static ulong flash_get_size (FPW * addr, flash_info_t * info)
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mb ();
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value = addr[0];
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switch (value) {
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case (FPW) INTEL_MANUFACT:
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@ -218,6 +235,13 @@ static ulong flash_get_size (FPW * addr, flash_info_t * info)
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info->size = 0x02000000;
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break; /* => 32 MB */
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case (FPW)(INTEL_ID_28F256K3):
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info->flash_id += FLASH_28F256K3;
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info->sector_count = 256;
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info->size = 0x02000000;
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printf ("\Intel StrataFlash 28F256K3C device initialized\n");
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break;
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default:
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info->flash_id = FLASH_UNKNOWN;
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break;
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@ -290,6 +314,7 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
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printf ("\n");
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}
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flash_vpp(1);
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start = get_timer (0);
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last = start;
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@ -335,6 +360,9 @@ int flash_erase (flash_info_t * info, int s_first, int s_last)
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printf (" done\n");
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}
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}
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flash_vpp(0);
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return rcode;
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}
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@ -364,6 +392,8 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
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port_width = 4;
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#endif
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flash_vpp(1);
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/*
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* handle unaligned start bytes
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*/
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@ -382,6 +412,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
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}
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if ((rc = write_data (info, wp, SWAP (data))) != 0) {
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flash_vpp(0);
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return (rc);
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}
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wp += port_width;
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@ -397,6 +428,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
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data = (data << 8) | *src++;
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}
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if ((rc = write_data (info, wp, SWAP (data))) != 0) {
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flash_vpp(0);
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return (rc);
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}
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wp += port_width;
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@ -408,6 +440,7 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
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}
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if (cnt == 0) {
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flash_vpp(0);
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return (0);
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}
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@ -423,7 +456,11 @@ int write_buff (flash_info_t * info, uchar * src, ulong addr, ulong cnt)
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data = (data << 8) | (*(uchar *) cp);
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}
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return (write_data (info, wp, SWAP (data)));
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rc = write_data (info, wp, SWAP (data));
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flash_vpp(0);
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return rc;
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}
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/*-----------------------------------------------------------------------
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@ -443,6 +480,9 @@ static int write_data (flash_info_t * info, ulong dest, FPW data)
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printf ("not erased at %08lx (%x)\n", (ulong) addr, *addr);
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return (2);
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}
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flash_vpp(1);
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flash_unprotect_sectors (addr);
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/* Disable interrupts which might cause a timeout here */
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flag = disable_interrupts ();
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@ -456,10 +496,12 @@ static int write_data (flash_info_t * info, ulong dest, FPW data)
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while (((status = *addr) & (FPW) 0x00800080) != (FPW) 0x00800080) {
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if (get_timer_masked () > CFG_FLASH_WRITE_TOUT) {
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*addr = (FPW) 0x00FF00FF; /* restore read mode */
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flash_vpp(0);
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return (1);
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}
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}
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*addr = (FPW) 0x00FF00FF; /* restore read mode */
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flash_vpp(0);
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return (0);
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}
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@ -96,7 +96,7 @@
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#define CFG_SERIAL0 0x101F1000
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#define CFG_SERIAL1 0x101F2000
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#define CONFIG_COMMANDS (CFG_CMD_DHCP | CFG_CMD_IMI | CFG_CMD_NET | CFG_CMD_PING | CFG_CMD_BDI | CFG_CMD_MEMORY)
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#define CONFIG_COMMANDS (CFG_CMD_DHCP | CFG_CMD_IMI | CFG_CMD_NET | CFG_CMD_PING | CFG_CMD_BDI | CFG_CMD_MEMORY | CFG_CMD_FLASH | CFG_CMD_ENV)
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/*#define CONFIG_COMMANDS (CFG_CMD_IMI | CFG_CMD_BDI | CFG_CMD_MEMORY) */
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@ -155,15 +155,25 @@
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/*-----------------------------------------------------------------------
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* FLASH and environment organization
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*/
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#define CFG_ENV_IS_NOWHERE
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#define VERSATILE_SYS_BASE 0x10000000
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#define VERSATILE_SYS_FLASH_OFFSET 0x4C
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#define VERSATILE_FLASHCTRL (VERSATILE_SYS_BASE + VERSATILE_SYS_FLASH_OFFSET)
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#define VERSATILE_FLASHPROG_FLVPPEN (1 << 0) /* Enable writing to flash */
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#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
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#define PHYS_FLASH_SIZE 0x34000000 /* 64MB */
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/* timeout values are in ticks */
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#define CFG_FLASH_ERASE_TOUT (20*CFG_HZ) /* Timeout for Flash Erase */
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#define CFG_FLASH_WRITE_TOUT (20*CFG_HZ) /* Timeout for Flash Write */
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#define CFG_MAX_FLASH_SECT 128
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#define CFG_ENV_SIZE 32768
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#define CFG_MAX_FLASH_SECT (256)
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#define PHYS_FLASH_1 (CFG_FLASH_BASE)
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#define CFG_ENV_IS_IN_FLASH 1 /* env in flash instead of CFG_ENV_IS_NOWHERE */
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#define CFG_ENV_SECT_SIZE 0x00020000 /* 256 KB sectors (x2) */
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#define CFG_ENV_SIZE 0x10000 /* Total Size of Environment Sector */
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#define CFG_ENV_OFFSET 0x01f00000 /* environment starts here */
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#define CFG_ENV_ADDR (CFG_FLASH_BASE + CFG_ENV_OFFSET)
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#endif /* __CONFIG_H */
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