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>

5 files changed, 0 insertions, 1034 deletions

diff --git a/board/nx823/Makefile b/board/nx823/Makefile
deleted file mode 100644
index a22be5c..0000000
--- a/board/nx823/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
-#
-# (C) Copyright 2001-2006
-# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:	GPL-2.0+
-#
-
-obj-y	= nx823.o flash.o
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);
-}
diff --git a/board/nx823/nx823.c b/board/nx823/nx823.c
deleted file mode 100644
index d49fa8c..0000000
--- a/board/nx823/nx823.c
+++ /dev/null
@@ -1,374 +0,0 @@
-/*
- * (C) Copyright 2001
- * Kyle Harris, Nexus Technologies, Inc. kharris@nexus-tech.net
- *
- * (C) Copyright 2001-2002
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-#include <common.h>
-#include <malloc.h>
-#include <mpc8xx.h>
-#include <net.h>
-
-DECLARE_GLOBAL_DATA_PTR;
-
-static long int dram_size (long int, long int *, long int);
-
-#define	_NOT_USED_	0xFFFFFFFF
-
-const uint sdram_table[] = {
-#if (MPC8XX_SPEED <= 50000000L)
-	/*
-	 * Single Read. (Offset 0 in UPMA RAM)
-	 */
-	0x0F07EC04, 0x01BBD804, 0x1FF7F440, 0xFFFFFC07,
-	0xFFFFFFFF,
-
-	/*
-	 * SDRAM Initialization (offset 5 in UPMA RAM)
-	 *
-	 * This is no UPM entry point. The following definition uses
-	 * the remaining space to establish an initialization
-	 * sequence, which is executed by a RUN command.
-	 *
-	 */
-	0x1FE7F434, 0xEFABE834, 0x1FA7D435,
-
-	/*
-	 * Burst Read. (Offset 8 in UPMA RAM)
-	 */
-	0x0F07EC04, 0x10EFDC04, 0xF0AFFC00, 0xF0AFFC00,
-	0xF1AFFC00, 0xFFAFFC40, 0xFFAFFC07, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-
-	/*
-	 * Single Write. (Offset 18 in UPMA RAM)
-	 */
-	0x0E07E804, 0x01BBD000, 0x1FF7F447, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-
-	/*
-	 * Burst Write. (Offset 20 in UPMA RAM)
-	 */
-	0x0E07E800, 0x10EFD400, 0xF0AFFC00, 0xF0AFFC00,
-	0xF1AFFC47, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-
-	/*
-	 * Refresh  (Offset 30 in UPMA RAM)
-	 */
-	0x1FF7DC84, 0xFFFFFC04, 0xFFFFFC84, 0xFFFFFC07,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-	0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF,
-
-	/*
-	 * Exception. (Offset 3c in UPMA RAM)
-	 */
-	0x7FFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF
-#else
-
-	/*
-	 * Single Read. (Offset 0 in UPMA RAM)
-	 */
-	0x1F07FC04, 0xEEAFEC04, 0x11AFDC04, 0xEFBBF800,
-	0x1FF7F447,
-
-	/*
-	 * SDRAM Initialization (offset 5 in UPMA RAM)
-	 *
-	 * This is no UPM entry point. The following definition uses
-	 * the remaining space to establish an initialization
-	 * sequence, which is executed by a RUN command.
-	 *
-	 */
-	0x1FF7F434, 0xEFEBE834, 0x1FB7D435,
-
-	/*
-	 * Burst Read. (Offset 8 in UPMA RAM)
-	 */
-	0x1F07FC04, 0xEEAFEC04, 0x10AFDC04, 0xF0AFFC00,
-	0xF0AFFC00, 0xF1AFFC00, 0xEFBBF800, 0x1FF7F447,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
-	/*
-	 * Single Write. (Offset 18 in UPMA RAM)
-	 */
-	0x1F07FC04, 0xEEAFE800, 0x01BBD004, 0x1FF7F447,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
-	/*
-	 * Burst Write. (Offset 20 in UPMA RAM)
-	 */
-	0x1F07FC04, 0xEEAFE800, 0x10AFD400, 0xF0AFFC00,
-	0xF0AFFC00, 0xE1BBF804, 0x1FF7F447, _NOT_USED_,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
-	/*
-	 * Refresh  (Offset 30 in UPMA RAM)
-	 */
-	0x1FF7DC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
-	0xFFFFFC84, 0xFFFFFC07,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_,
-	_NOT_USED_, _NOT_USED_, _NOT_USED_,
-
-	/*
-	 * Exception. (Offset 3c in UPMA RAM)
-	 */
-	0x7FFFFC07,		/* last */
-	_NOT_USED_, _NOT_USED_, _NOT_USED_,
-#endif
-};
-
-/* ------------------------------------------------------------------------- */
-
-
-/*
- * Check Board Identity:
- *
- */
-
-int checkboard (void)
-{
-	printf ("Board: Nexus NX823");
-	return (0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-phys_size_t initdram (int board_type)
-{
-	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
-	volatile memctl8xx_t *memctl = &immap->im_memctl;
-	long int size_b0, size_b1, size8, size9;
-
-	upmconfig (UPMA, (uint *) sdram_table,
-		   sizeof (sdram_table) / sizeof (uint));
-
-	/*
-	 * Up to 2 Banks of 64Mbit x 2 devices
-	 * Initial builds only have 1
-	 */
-	memctl->memc_mptpr = CONFIG_SYS_MPTPR_1BK_4K;
-	memctl->memc_mar = 0x00000088;
-
-	/*
-	 * Map controller SDRAM bank 0
-	 */
-	memctl->memc_or1 = CONFIG_SYS_OR1_PRELIM;
-	memctl->memc_br1 = CONFIG_SYS_BR1_PRELIM;
-	memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE));	/* no refresh yet */
-	udelay (200);
-
-	/*
-	 * Map controller SDRAM bank 1
-	 */
-	memctl->memc_or2 = CONFIG_SYS_OR2_PRELIM;
-	memctl->memc_br2 = CONFIG_SYS_BR2_PRELIM;
-
-	/*
-	 * Perform SDRAM initializsation sequence
-	 */
-	memctl->memc_mcr = 0x80002105;	/* SDRAM bank 0 */
-	udelay (1);
-	memctl->memc_mcr = 0x80002230;	/* SDRAM bank 0 - execute twice */
-	udelay (1);
-
-	memctl->memc_mcr = 0x80004105;	/* SDRAM bank 1 */
-	udelay (1);
-	memctl->memc_mcr = 0x80004230;	/* SDRAM bank 1 - execute twice */
-	udelay (1);
-
-	memctl->memc_mamr |= MAMR_PTAE;	/* enable refresh */
-	udelay (1000);
-
-	/*
-	 * Preliminary prescaler for refresh (depends on number of
-	 * banks): This value is selected for four cycles every 62.4 us
-	 * with two SDRAM banks or four cycles every 31.2 us with one
-	 * bank. It will be adjusted after memory sizing.
-	 */
-	memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_8K;
-
-	memctl->memc_mar = 0x00000088;
-
-
-	/*
-	 * Check Bank 0 Memory Size for re-configuration
-	 *
-	 * try 8 column mode
-	 */
-	size8 = dram_size (CONFIG_SYS_MAMR_8COL, (long *) SDRAM_BASE1_PRELIM,
-			   SDRAM_MAX_SIZE);
-
-	udelay (1000);
-
-	/*
-	 * try 9 column mode
-	 */
-	size9 = dram_size (CONFIG_SYS_MAMR_9COL, (long *) SDRAM_BASE1_PRELIM,
-			   SDRAM_MAX_SIZE);
-
-	if (size8 < size9) {	/* leave configuration at 9 columns     */
-		size_b0 = size9;
-/*	debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size >> 20);	*/
-	} else {		/* back to 8 columns                    */
-		size_b0 = size8;
-		memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
-		udelay (500);
-/*	debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size >> 20);	*/
-	}
-
-	/*
-	 * Check Bank 1 Memory Size
-	 * use current column settings
-	 * [9 column SDRAM may also be used in 8 column mode,
-	 *  but then only half the real size will be used.]
-	 */
-	size_b1 = dram_size (memctl->memc_mamr, (long *) SDRAM_BASE2_PRELIM,
-			     SDRAM_MAX_SIZE);
-/*	debug ("SDRAM Bank 1: %ld MB\n", size8 >> 20);	*/
-
-	udelay (1000);
-
-	/*
-	 * Adjust refresh rate depending on SDRAM type, both banks
-	 * For types > 128 MBit leave it at the current (fast) rate
-	 */
-	if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) {
-		/* reduce to 15.6 us (62.4 us / quad) */
-		memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
-		udelay (1000);
-	}
-
-	/*
-	 * Final mapping: map bigger bank first
-	 */
-	if (size_b1 > size_b0) {	/* SDRAM Bank 1 is bigger - map first   */
-
-		memctl->memc_or2 =
-			((-size_b1) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
-		memctl->memc_br2 =
-			(CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
-		if (size_b0 > 0) {
-			/*
-			 * Position Bank 0 immediately above Bank 1
-			 */
-			memctl->memc_or1 =
-				((-size_b0) & 0xFFFF0000) |
-				CONFIG_SYS_OR_TIMING_SDRAM;
-			memctl->memc_br1 =
-				((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA |
-				 BR_V)
-				+ size_b1;
-		} else {
-			unsigned long reg;
-
-			/*
-			 * No bank 0
-			 *
-			 * invalidate bank
-			 */
-			memctl->memc_br1 = 0;
-
-			/* adjust refresh rate depending on SDRAM type, one bank */
-			reg = memctl->memc_mptpr;
-			reg >>= 1;	/* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
-			memctl->memc_mptpr = reg;
-		}
-
-	} else {		/* SDRAM Bank 0 is bigger - map first   */
-
-		memctl->memc_or1 =
-			((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
-		memctl->memc_br1 =
-			(CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
-		if (size_b1 > 0) {
-			/*
-			 * Position Bank 1 immediately above Bank 0
-			 */
-			memctl->memc_or2 =
-				((-size_b1) & 0xFFFF0000) |
-				CONFIG_SYS_OR_TIMING_SDRAM;
-			memctl->memc_br2 =
-				((CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA |
-				 BR_V)
-				+ size_b0;
-		} else {
-			unsigned long reg;
-
-			/*
-			 * No bank 1
-			 *
-			 * invalidate bank
-			 */
-			memctl->memc_br2 = 0;
-
-			/* adjust refresh rate depending on SDRAM type, one bank */
-			reg = memctl->memc_mptpr;
-			reg >>= 1;	/* reduce to CONFIG_SYS_MPTPR_1BK_8K / _4K */
-			memctl->memc_mptpr = reg;
-		}
-	}
-
-	udelay (10000);
-
-	return (size_b0 + size_b1);
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Check memory range for valid RAM. A simple memory test determines
- * the actually available RAM size between addresses `base' and
- * `base + maxsize'. Some (not all) hardware errors are detected:
- * - short between address lines
- * - short between data lines
- */
-
-static long int dram_size (long int mamr_value, long int *base,
-			   long int maxsize)
-{
-	volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
-	volatile memctl8xx_t *memctl = &immap->im_memctl;
-
-	memctl->memc_mamr = mamr_value;
-
-	return (get_ram_size (base, maxsize));
-}
-
-int misc_init_r (void)
-{
-	int i;
-	char tmp[50];
-	uchar ethaddr[6];
-	bd_t *bd = gd->bd;
-	ulong *my_sernum = (unsigned long *)&bd->bi_sernum;
-
-	/* load unique serial number */
-	for (i = 0; i < 8; ++i)
-		bd->bi_sernum[i] = *(u_char *) (CONFIG_SYS_FLASH_SN_BASE + i);
-
-	/* save env variables according to sernum */
-	sprintf (tmp, "%08lx%08lx", my_sernum[0], my_sernum[1]);
-	setenv ("serial#", tmp);
-
-	if (!eth_getenv_enetaddr("ethaddr", ethaddr)) {
-		ethaddr[0] = 0x10;
-		ethaddr[1] = 0x20;
-		ethaddr[2] = 0x30;
-		ethaddr[3] = bd->bi_sernum[1] << 4 | bd->bi_sernum[2];
-		ethaddr[4] = bd->bi_sernum[5];
-		ethaddr[5] = bd->bi_sernum[6];
-	}
-
-	return 0;
-}
diff --git a/board/nx823/u-boot.lds b/board/nx823/u-boot.lds
deleted file mode 100644
index 7ae91ff..0000000
--- a/board/nx823/u-boot.lds
+++ /dev/null
@@ -1,82 +0,0 @@
-/*
- * (C) Copyright 2001-2010
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-OUTPUT_ARCH(powerpc)
-
-SECTIONS
-{
-  /* Read-only sections, merged into text segment: */
-  . = + SIZEOF_HEADERS;
-  .text      :
-  {
-    arch/powerpc/cpu/mpc8xx/start.o	(.text*)
-    arch/powerpc/cpu/mpc8xx/traps.o	(.text*)
-
-    *(.text*)
-  }
-  _etext = .;
-  PROVIDE (etext = .);
-  .rodata    :
-  {
-    *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*)))
-  }
-
-  /* Read-write section, merged into data segment: */
-  . = (. + 0x00FF) & 0xFFFFFF00;
-  _erotext = .;
-  PROVIDE (erotext = .);
-  .reloc   :
-  {
-    _GOT2_TABLE_ = .;
-    KEEP(*(.got2))
-    KEEP(*(.got))
-    PROVIDE(_GLOBAL_OFFSET_TABLE_ = . + 4);
-    _FIXUP_TABLE_ = .;
-    KEEP(*(.fixup))
-  }
-  __got2_entries = ((_GLOBAL_OFFSET_TABLE_ - _GOT2_TABLE_) >> 2) - 1;
-  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
-
-  .data    :
-  {
-    *(.data*)
-    *(.sdata*)
-  }
-  _edata  =  .;
-  PROVIDE (edata = .);
-
-  . = .;
-
-  . = ALIGN(4);
-  .u_boot_list : {
-	KEEP(*(SORT(.u_boot_list*)));
-  }
-
-
-  . = .;
-  __start___ex_table = .;
-  __ex_table : { *(__ex_table) }
-  __stop___ex_table = .;
-
-  . = ALIGN(256);
-  __init_begin = .;
-  .text.init : { *(.text.init) }
-  .data.init : { *(.data.init) }
-  . = ALIGN(256);
-  __init_end = .;
-
-  __bss_start = .;
-  .bss (NOLOAD)       :
-  {
-   *(.bss*)
-   *(.sbss*)
-   *(COMMON)
-   . = ALIGN(4);
-  }
-  __bss_end = . ;
-  PROVIDE (end = .);
-}
diff --git a/board/nx823/u-boot.lds.debug b/board/nx823/u-boot.lds.debug
deleted file mode 100644
index b0091db..0000000
--- a/board/nx823/u-boot.lds.debug
+++ /dev/null
@@ -1,121 +0,0 @@
-/*
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * SPDX-License-Identifier:	GPL-2.0+
- */
-
-OUTPUT_ARCH(powerpc)
-/* Do we need any of these for elf?
-   __DYNAMIC = 0;    */
-SECTIONS
-{
-  /* Read-only sections, merged into text segment: */
-  . = + SIZEOF_HEADERS;
-  .interp : { *(.interp) }
-  .hash          : { *(.hash)		}
-  .dynsym        : { *(.dynsym)		}
-  .dynstr        : { *(.dynstr)		}
-  .rel.text      : { *(.rel.text)		}
-  .rela.text     : { *(.rela.text)	}
-  .rel.data      : { *(.rel.data)		}
-  .rela.data     : { *(.rela.data)	}
-  .rel.rodata    : { *(.rel.rodata)	}
-  .rela.rodata   : { *(.rela.rodata)	}
-  .rel.got       : { *(.rel.got)		}
-  .rela.got      : { *(.rela.got)		}
-  .rel.ctors     : { *(.rel.ctors)	}
-  .rela.ctors    : { *(.rela.ctors)	}
-  .rel.dtors     : { *(.rel.dtors)	}
-  .rela.dtors    : { *(.rela.dtors)	}
-  .rel.bss       : { *(.rel.bss)		}
-  .rela.bss      : { *(.rela.bss)		}
-  .rel.plt       : { *(.rel.plt)		}
-  .rela.plt      : { *(.rela.plt)		}
-  .init          : { *(.init)	}
-  .plt : { *(.plt) }
-  .text      :
-  {
-    /* WARNING - the following is hand-optimized to fit within	*/
-    /* the sector layout of our flash chips!	XXX FIXME XXX	*/
-
-    arch/powerpc/cpu/mpc8xx/start.o	(.text)
-    common/dlmalloc.o	(.text)
-    lib/vsprintf.o	(.text)
-    lib/crc32.o		(.text)
-
-    . = env_offset;
-    common/env_embedded.o(.text)
-
-    *(.text)
-    *(.got1)
-  }
-  _etext = .;
-  PROVIDE (etext = .);
-  .rodata    :
-  {
-    *(.rodata)
-    *(.rodata1)
-    *(.rodata.str1.4)
-    *(.eh_frame)
-  }
-  .fini      : { *(.fini)    } =0
-  .ctors     : { *(.ctors)   }
-  .dtors     : { *(.dtors)   }
-
-  /* Read-write section, merged into data segment: */
-  . = (. + 0x0FFF) & 0xFFFFF000;
-  _erotext = .;
-  PROVIDE (erotext = .);
-  .reloc   :
-  {
-    *(.got)
-    _GOT2_TABLE_ = .;
-    *(.got2)
-    _FIXUP_TABLE_ = .;
-    *(.fixup)
-  }
-  __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2;
-  __fixup_entries = (. - _FIXUP_TABLE_)>>2;
-
-  .data    :
-  {
-    *(.data)
-    *(.data1)
-    *(.sdata)
-    *(.sdata2)
-    *(.dynamic)
-    CONSTRUCTORS
-  }
-  _edata  =  .;
-  PROVIDE (edata = .);
-
-
-  . = ALIGN(4);
-  .u_boot_list : {
-	KEEP(*(SORT(.u_boot_list*)));
-  }
-
-
-  __start___ex_table = .;
-  __ex_table : { *(__ex_table) }
-  __stop___ex_table = .;
-
-  . = ALIGN(4096);
-  __init_begin = .;
-  .text.init : { *(.text.init) }
-  .data.init : { *(.data.init) }
-  . = ALIGN(4096);
-  __init_end = .;
-
-  __bss_start = .;
-  .bss       :
-  {
-   *(.sbss) *(.scommon)
-   *(.dynbss)
-   *(.bss)
-   *(COMMON)
-  }
-  __bss_end = . ;
-  PROVIDE (end = .);
-}