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-rw-r--r--board/nc650/nc650.c309
1 files changed, 0 insertions, 309 deletions
diff --git a/board/nc650/nc650.c b/board/nc650/nc650.c
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--- a/board/nc650/nc650.c
+++ /dev/null
@@ -1,309 +0,0 @@
-/*
- * (C) Copyright 2006 Detlev Zundel, dzu@denx.de
- * (C) Copyright 2001
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
- */
-
-#include <common.h>
-#include <config.h>
-#include <mpc8xx.h>
-
-/*
- * Memory Controller Using
- *
- * CS0 - Flash memory (0x40000000)
- * CS3 - SDRAM (0x00000000}
- */
-
-/* ------------------------------------------------------------------------- */
-
-#define _not_used_ 0xffffffff
-
-const uint sdram_table[] = {
- /* single read. (offset 0 in upm RAM) */
- 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
- 0x1ff77c47,
-
- /* MRS initialization (offset 5) */
-
- 0x1ff77c34, 0xefeabc34, 0x1fb57c35,
-
- /* burst read. (offset 8 in upm RAM) */
- 0x1f07fc04, 0xeeaefc04, 0x10adfc04, 0xf0affc00,
- 0xf0affc00, 0xf1affc00, 0xefbbbc00, 0x1ff77c47,
- _not_used_, _not_used_, _not_used_, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
-
- /* single write. (offset 18 in upm RAM) */
- 0x1f27fc04, 0xeeaebc00, 0x01b93c04, 0x1ff77c47,
- _not_used_, _not_used_, _not_used_, _not_used_,
-
- /* burst write. (offset 20 in upm RAM) */
- 0x1f07fc04, 0xeeaebc00, 0x10ad7c00, 0xf0affc00,
- 0xf0affc00, 0xe1bbbc04, 0x1ff77c47, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
-
- /* refresh. (offset 30 in upm RAM) */
- 0x1ff5fc84, 0xfffffc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc84, 0xfffffc07, _not_used_, _not_used_,
- _not_used_, _not_used_, _not_used_, _not_used_,
-
- /* exception. (offset 3c in upm RAM) */
- 0x7ffffc07, _not_used_, _not_used_, _not_used_
-};
-
-const uint nand_flash_table[] = {
- /* single read. (offset 0 in upm RAM) */
- 0x0ff3fc04, 0x0ff3fc04, 0x0ff3fc04, 0x0ffffc04,
- 0xfffffc00, 0xfffffc05, 0xfffffc05, 0xfffffc05,
-
- /* burst read. (offset 8 in upm RAM) */
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
-
- /* single write. (offset 18 in upm RAM) */
- 0x00fffc04, 0x00fffc04, 0x00fffc04, 0x0ffffc04,
- 0x0ffffc84, 0x0ffffc84, 0xfffffc00, 0xfffffc05,
-
- /* burst write. (offset 20 in upm RAM) */
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
-
- /* refresh. (offset 30 in upm RAM) */
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05,
-
- /* exception. (offset 3c in upm RAM) */
- 0xffffcc05, 0xffffcc05, 0xffffcc05, 0xffffcc05
-};
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * Check Board Identity:
- */
-
-int checkboard (void)
-{
-#if !defined(CONFIG_CP850)
- puts ("Board: NC650");
-#else
- puts ("Board: CP850");
-#endif
-#if defined(CONFIG_IDS852_REV1)
- puts (" with IDS852 rev 1 module\n");
-#elif defined(CONFIG_IDS852_REV2)
- puts (" with IDS852 rev 2 module\n");
-#endif
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-static long int dram_size (long int, long int *, long int);
-
-/* ------------------------------------------------------------------------- */
-
-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 size8, size9;
- long int size_b0 = 0;
- unsigned long reg;
-
- upmconfig (UPMA, (uint *) sdram_table,
- sizeof (sdram_table) / sizeof (uint));
-
- /*
- * 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;
-
- /*
- * Map controller bank 1 to the SDRAM bank at
- * preliminary address - these have to be modified after the
- * SDRAM size has been determined.
- */
- memctl->memc_or3 = CONFIG_SYS_OR3_PRELIM;
- memctl->memc_br3 = CONFIG_SYS_BR3_PRELIM;
-
- memctl->memc_mamr = CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
-
- udelay (200);
-
- /* perform SDRAM initializsation sequence */
-
- memctl->memc_mcr = 0x80006105; /* SDRAM bank 0 */
- udelay (200);
- memctl->memc_mcr = 0x80006230; /* SDRAM bank 0 - execute twice */
- udelay (200);
-
- memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
-
- udelay (1000);
-
- /*
- * Check Bank 0 Memory Size for re-configuration
- *
- * try 8 column mode
- */
- size8 = dram_size (CONFIG_SYS_MAMR_8COL, SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
-
- udelay (1000);
-
- /*
- * try 9 column mode
- */
- size9 = dram_size (CONFIG_SYS_MAMR_9COL, SDRAM_BASE3_PRELIM, SDRAM_MAX_SIZE);
-
- udelay (1000);
-
- if (size8 < size9) {
- size_b0 = size9;
- } else {
- size_b0 = size8;
- memctl->memc_mamr = CONFIG_SYS_MAMR_8COL;
- udelay (500);
- }
-
- /*
- * Adjust refresh rate depending on SDRAM type, both banks.
- * For types > 128 MBit leave it at the current (fast) rate
- */
- if ((size_b0 < 0x02000000)) {
- /* reduce to 15.6 us (62.4 us / quad) */
- memctl->memc_mptpr = CONFIG_SYS_MPTPR_2BK_4K;
- udelay (1000);
- }
-
- /*
- * Final mapping
- */
-
- memctl->memc_or3 = ((-size_b0) & 0xFFFF0000) | CONFIG_SYS_OR_TIMING_SDRAM;
- memctl->memc_br3 = (CONFIG_SYS_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
- /* 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);
-
- /* Configure UPMB for NAND flash access */
- upmconfig (UPMB, (uint *) nand_flash_table,
- sizeof (nand_flash_table) / sizeof (uint));
-
- memctl->memc_mbmr = CONFIG_SYS_MBMR_NAND;
-
- return (size_b0);
-}
-
-/* ------------------------------------------------------------------------- */
-
-/*
- * 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));
-}
-
-
-#if defined(CONFIG_CP850)
-
-#define DPRAM_VARNAME "KP850DIP"
-#define PARAM_ADDR 0x7C0
-#define NAME_ADDR 0x7F8
-#define BOARD_NAME "KP01"
-#define DEFAULT_LB "241111"
-
-int misc_init_r(void)
-{
- int iCompatMode = 0;
- char *pParam = NULL;
- char *envlb;
-
- /*
- First byte in CPLD read address space signals compatibility mode
- 0 - cp850
- 1 - kp852
- */
- pParam = (char*)(CONFIG_SYS_CPLD_BASE);
- if( *pParam != 0)
- iCompatMode = 1;
-
- if ( iCompatMode != 0) {
- /*
- In KP852 compatibility mode we have to write to
- DPRAM as early as possible the binary coded
- line config and board name.
- The line config is derived from the environment
- variable DPRAM_VARNAME by converting from ASCII
- to binary per character.
- */
- if ( (envlb = getenv ( DPRAM_VARNAME )) == 0) {
- setenv( DPRAM_VARNAME, DEFAULT_LB);
- envlb = DEFAULT_LB;
- }
-
- /* Status string */
- printf("Mode: KP852(LB=%s)\n", envlb);
-
- /* copy appl init */
- pParam = (char*)(DPRAM_BASE_ADDR + PARAM_ADDR);
- while (*envlb) {
- *(pParam++) = *(envlb++) - '0';
- }
- *pParam = '\0';
-
- /* copy board id */
- pParam = (char*)(DPRAM_BASE_ADDR + NAME_ADDR);
- strcpy( pParam, BOARD_NAME);
- } else {
- puts("Mode: CP850\n");
- }
-
- return 0;
-}
-#endif
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