powerpc: remove NX823 board support

Enough time has passed since this board was moved to Orphan. Remove.

 - Remove board/nx823/*
 - Remove include/configs/NX823.h
 - Clean-up ifdef(CONFIG_NX823)
 - Move the entry from boards.cfg to doc/README.scrapyard

Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com>

1 files changed, 0 insertions, 449 deletions

diff --git a/board/nx823/flash.c b/board/nx823/flash.c
deleted file mode 100644
index fbe17dd..0000000
--- a/board/nx823/flash.c
+++ /dev/null
@@ -1,449 +0,0 @@
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <mpc8xx.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-flash_info_t	flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips	*/
-
-/*-----------------------------------------------------------------------
- * Protection Flags:
- */
-#define FLAG_PROTECT_SET	0x01
-#define FLAG_PROTECT_CLEAR	0x02
-
-/* Board support for 1 or 2 flash devices */
-#undef FLASH_PORT_WIDTH32
-#define FLASH_PORT_WIDTH16
-
-#ifdef FLASH_PORT_WIDTH16
-#define FLASH_PORT_WIDTH		ushort
-#define FLASH_PORT_WIDTHV		vu_short
-#else
-#define FLASH_PORT_WIDTH		ulong
-#define FLASH_PORT_WIDTHV		vu_long
-#endif
-
-#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);
-
-/*-----------------------------------------------------------------------
- */
-
-unsigned long flash_init (void)
-{
-	volatile immap_t     *immap  = (immap_t *)CONFIG_SYS_IMMR;
-	volatile memctl8xx_t *memctl = &immap->im_memctl;
-	unsigned long size_b0;
-	int i;
-
-	/* Init: no FLASHes known */
-	for (i=0; i<CONFIG_SYS_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]);
-
-	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);
-	}
-
-	/* Remap FLASH according to real size */
-	memctl->memc_or0 = CONFIG_SYS_OR_TIMING_FLASH | (-size_b0 & 0xFFFF8000);
-	memctl->memc_br0 = (CONFIG_SYS_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 *)CONFIG_SYS_FLASH_BASE, &flash_info[0]);
-
-	flash_get_offsets (CONFIG_SYS_FLASH_BASE, &flash_info[0]);
-
-	/* monitor protection ON by default */
-	(void)flash_protect(FLAG_PROTECT_SET,
-			    CONFIG_SYS_FLASH_BASE,
-			    CONFIG_SYS_FLASH_BASE+monitor_flash_len-1,
-			    &flash_info[0]);
-
-	flash_info[0].size = size_b0;
-
-	return (size_b0);
-}
-
-/*-----------------------------------------------------------------------
- */
-static void flash_get_offsets (ulong base, flash_info_t *info)
-{
-	int i;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return;
-	}
-
-	if ((info->flash_id & FLASH_VENDMASK) == FLASH_MAN_INTEL) {
-		for (i = 0; i < info->sector_count; i++) {
-			info->start[i] = base + (i * 0x00020000);
-		}
-	}
-}
-
-/*-----------------------------------------------------------------------
- */
-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_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;
-	}
-
-	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");
-	return;
-}
-
-/*-----------------------------------------------------------------------
- */
-
-
-/*-----------------------------------------------------------------------
- */
-
-/*
- * The following code cannot be run from FLASH!
- */
-
-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;
-
-	value = addr[0];
-
-   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	*/
-	}
-
-	value = addr[1];			/* device ID		*/
-
-   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_28F128J3A:
-      info->flash_id += FLASH_28F128J3A;
-      info->sector_count = 128;
-      info->size = 0x01000000;
-      break;            /* => 16 MB     */
-
-	default:
-		info->flash_id = FLASH_UNKNOWN;
-		break;
-	}
-
-	if (info->sector_count > CONFIG_SYS_MAX_FLASH_SECT) {
-		printf ("** ERROR: sector count %d > max (%d) **\n",
-			info->sector_count, CONFIG_SYS_MAX_FLASH_SECT);
-		info->sector_count = CONFIG_SYS_MAX_FLASH_SECT;
-	}
-
-	addr[0] = (FPW)0x00FF00FF;      /* restore read mode */
-
-	return (info->size);
-}
-
-
-/*-----------------------------------------------------------------------
- */
-
-int	flash_erase (flash_info_t *info, int s_first, int s_last)
-{
-	int flag, prot, sect;
-	ulong type, start, now, last;
-	int rcode = 0;
-
-	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 1;
-	}
-
-	type = (info->flash_id & FLASH_VENDMASK);
-	if ((type != FLASH_MAN_INTEL)) {
-		printf ("Can't erase unknown flash type %08lx - aborted\n",
-			info->flash_id);
-		return 1;
-	}
-
-	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");
-	}
-
-	start = get_timer (0);
-	last  = start;
-	/* Start erase on unprotected sectors */
-	for (sect = s_first; sect<=s_last; sect++) {
-		if (info->protect[sect] == 0) {	/* not protected */
-			FPWV *addr = (FPWV *)(info->start[sect]);
-			FPW status;
-
-			/* Disable interrupts which might cause a timeout here */
-			flag = disable_interrupts();
-
-			*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();
-
-			/* wait at least 80us - let's wait 1 ms */
-			udelay (1000);
-
-			while (((status = *addr) & (FPW)0x00800080) != (FPW)0x00800080) {
-				if ((now=get_timer(start)) > CONFIG_SYS_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 */
-			printf (" done\n");
-		}
-	}
-	return rcode;
-}
-
-/*-----------------------------------------------------------------------
- * Copy memory to flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- * 4 - Flash not identified
- */
-
-int write_buff (flash_info_t *info, uchar *src, ulong addr, ulong cnt)
-{
-	ulong cp, wp;
-	FPW data;
-	int count, i, l, rc, port_width;
-
-	if (info->flash_id == FLASH_UNKNOWN) {
-		return 4;
-	}
-/* get lower word aligned address */
-#ifdef FLASH_PORT_WIDTH16
-	wp = (addr & ~1);
-	port_width = 2;
-#else
-	wp = (addr & ~3);
-	port_width = 4;
-#endif
-
-	/* save sernum if needed */
-	if (addr >= CONFIG_SYS_FLASH_SN_SECTOR && addr < CONFIG_SYS_FLASH_SN_BASE)
-	{
-		u_long dest = CONFIG_SYS_FLASH_SN_BASE;
-		u_short *sn = (u_short *)gd->bd->bi_sernum;
-
-		printf("(saving sernum)");
-		for (i=0; i<4; i++)
-		{
-			if ((rc = write_data(info, dest, sn[i])) != 0) {
-				return (rc);
-			}
-			dest += port_width;
-		}
-	}
-
-	/*
-	 * 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<port_width && cnt>0; ++i) {
-			data = (data << 8) | *src++;
-			--cnt;
-			++cp;
-		}
-		for (; cnt==0 && i<port_width; ++i, ++cp) {
-			data = (data << 8) | (*(uchar *)cp);
-		}
-
-		if ((rc = write_data(info, wp, data)) != 0) {
-			return (rc);
-		}
-		wp += port_width;
-	}
-
-	/*
-	 * handle word aligned part
-	 */
-	count = 0;
-	while (cnt >= port_width) {
-		data = 0;
-		for (i=0; i<port_width; ++i) {
-			data = (data << 8) | *src++;
-		}
-		if ((rc = write_data(info, wp, data)) != 0) {
-			return (rc);
-		}
-		wp  += port_width;
-		cnt -= port_width;
-		if (count++ > 0x800)
-		{
-			putc('.');
-			count = 0;
-		}
-	}
-
-	if (cnt == 0) {
-		return (0);
-	}
-
-	/*
-	 * handle unaligned tail bytes
-	 */
-	data = 0;
-	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);
-	}
-
-	return (write_data(info, wp, data));
-}
-
-/*-----------------------------------------------------------------------
- * Write a word or halfword to Flash, returns:
- * 0 - OK
- * 1 - write timeout
- * 2 - Flash not erased
- */
-static int write_data (flash_info_t *info, ulong dest, FPW data)
-{
-	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);
-		return (2);
-	}
-	/* Disable interrupts which might cause a timeout here */
-	flag = disable_interrupts();
-
-	*addr = (FPW)0x00400040;		/* write setup */
-	*addr = data;
-
-	/* re-enable interrupts if necessary */
-	if (flag)
-		enable_interrupts();
-
-	start = get_timer (0);
-
-	while (((status = *addr) & (FPW)0x00800080) != (FPW)0x00800080) {
-		if (get_timer(start) > CONFIG_SYS_FLASH_WRITE_TOUT) {
-			*addr = (FPW)0x00FF00FF;	/* restore read mode */
-			return (1);
-		}
-	}
-
-	*addr = (FPW)0x00FF00FF;	/* restore read mode */
-
-	return (0);
-}