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-rw-r--r--board/mvs1/mvs1.c376
1 files changed, 0 insertions, 376 deletions
diff --git a/board/mvs1/mvs1.c b/board/mvs1/mvs1.c
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index 58b84f5..0000000
--- a/board/mvs1/mvs1.c
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@@ -1,376 +0,0 @@
-/*
- * (C) Copyright 2000
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Changes for MATRIX Vision MVsensor (C) Copyright 2001
- * MATRIX Vision GmbH / hg, info@matrix-vision.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 <mpc8xx.h>
-
-/* ------------------------------------------------------------------------- */
-
-static long int dram_size (long int, long int *, long int);
-
-/* ------------------------------------------------------------------------- */
-
-#define _NOT_USED_ 0xFFFFFFFF
-
-const uint sdram_table[] =
-{
- /*
- * Single Read. (Offset 0 in UPMA RAM)
- */
- 0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBAFC00,
- 0x1FF5FC47, /* last */
- /*
- * 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.
- *
- */
- 0x1FF5FC34, 0xEFEABC34, 0x1FB57C35, /* last */
- /*
- * Burst Read. (Offset 8 in UPMA RAM)
- */
- 0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00,
- 0xF0AFFC00, 0xF1AFFC00, 0xEFBAFC00, 0x1FF5FC47, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Single Write. (Offset 18 in UPMA RAM)
- */
- 0x1F0DFC04 /*0x1F2DFC04??*/, 0xEEABBC00, 0x01B27C04, 0x1FF5FC47, /* last */
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Burst Write. (Offset 20 in UPMA RAM)
- */
- 0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00,
- 0xF0AFFC00, 0xE1BAFC04, 0x1FF5FC47, /* last */
- _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- /*
- * Refresh (Offset 30 in UPMA RAM)
- */
- 0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04,
- 0xFFFFFC84, 0xFFFFFC07, /* last */
- _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_,
-};
-
-/* ------------------------------------------------------------------------- */
-
-
-/*
- * Check Board Identity:
- */
-
-int checkboard (void)
-{
- puts ("Board: MATRIX Vision MVsensor\n");
- return 0;
-}
-
-
-#ifdef DO_RAM_TEST
-/* ------------------------------------------------------------------------- */
-
-/*
- * Test SDRAM by writing its address to itself and reading several times
-*/
-#define READ_RUNS 4
-static void test_dram (unsigned long *start, unsigned long *end)
-{
- unsigned long *addr;
- unsigned long value;
- int read_runs, errors, addr_errors;
-
- printf ("\nChecking SDRAM from %p to %p\n", start, end);
- udelay (1000000);
- for (addr = start; addr < end; addr++)
- *addr = (unsigned long) addr;
-
- for (addr = start, addr_errors = 0; addr < end; addr++) {
- for (read_runs = READ_RUNS, errors = 0; read_runs > 0; read_runs--) {
- if ((value = *addr) != (unsigned long) addr)
- errors++;
- }
- if (errors > 0) {
- addr_errors++;
- printf ("SDRAM errors (%d) at %p, last read = %ld\n",
- errors, addr, value);
- udelay (10000);
- }
- }
- printf ("SDRAM check finished, total errors = %d\n", addr_errors);
-}
-#endif /* DO_RAM_TEST */
-
-
-/* ------------------------------------------------------------------------- */
-
-phys_size_t initdram (int board_type)
-{
- volatile immap_t *immap = (immap_t *) CFG_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));
-
- /*
- * 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 = CFG_MPTPR_2BK_8K;
-
- memctl->memc_mar = 0x00000088;
-
- /*
- * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at
- * preliminary addresses - these have to be modified after the
- * SDRAM size has been determined.
- */
- memctl->memc_or2 = CFG_OR2_PRELIM;
- memctl->memc_br2 = CFG_BR2_PRELIM;
-
-#if defined (CFG_OR3_PRELIM) && defined (CFG_BR3_PRELIM)
- if (board_type == 0) { /* "L" type boards have only one bank SDRAM */
- memctl->memc_or3 = CFG_OR3_PRELIM;
- memctl->memc_br3 = CFG_BR3_PRELIM;
- }
-#endif
-
- memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */
-
- udelay (200);
-
- /* perform SDRAM initializsation sequence */
-
- memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */
- udelay (1);
- memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */
- udelay (1);
-
- if (board_type == 0) { /* "L" type boards have only one bank SDRAM */
- memctl->memc_mcr = 0x80006105; /* SDRAM bank 1 */
- udelay (1);
- memctl->memc_mcr = 0x80006230; /* SDRAM bank 1 - execute twice */
- udelay (1);
- }
-
- memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
-
- udelay (1000);
-
- /*
- * Check Bank 0 Memory Size for re-configuration
- *
- * try 8 column mode
- */
- size8 = dram_size (CFG_MAMR_8COL, SDRAM_BASE2_PRELIM,
- SDRAM_MAX_SIZE);
-
- udelay (1000);
- /*
- * try 9 column mode
- */
- size9 = dram_size (CFG_MAMR_9COL, SDRAM_BASE2_PRELIM,
- SDRAM_MAX_SIZE);
-
- if (size8 < size9) { /* leave configuration at 9 columns */
- size_b0 = size9;
- } else { /* back to 8 columns */
- size_b0 = size8;
- memctl->memc_mamr = CFG_MAMR_8COL;
- udelay (500);
- }
-
- if (board_type == 0) { /* "L" type boards have only one bank SDRAM */
- /*
- * 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.]
- */
-#if defined (SDRAM_BASE3_PRELIM)
- size_b1 =
- dram_size (memctl->memc_mamr, (ulong *) SDRAM_BASE3_PRELIM,
- SDRAM_MAX_SIZE);
-#else
- size_b1 = 0;
-#endif
- } else {
- size_b1 = 0;
- }
-
- 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 = CFG_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_or3 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
- memctl->memc_br3 =
- (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
- if (size_b0 > 0) {
- /*
- * Position Bank 0 immediately above Bank 1
- */
- memctl->memc_or2 =
- ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
- memctl->memc_br2 =
- ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
- + size_b1;
- } else {
- unsigned long reg;
-
- /*
- * No bank 0
- *
- * invalidate bank
- */
- memctl->memc_br2 = 0;
-
- /* adjust refresh rate depending on SDRAM type, one bank */
- reg = memctl->memc_mptpr;
- reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */
- memctl->memc_mptpr = reg;
- }
-
- } else { /* SDRAM Bank 0 is bigger - map first */
-
- memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
- memctl->memc_br2 =
- (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V;
-
- if (size_b1 > 0) {
- /*
- * Position Bank 1 immediately above Bank 0
- */
- memctl->memc_or3 =
- ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM;
- memctl->memc_br3 =
- ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V)
- + size_b0;
- } else {
- unsigned long reg;
-
- /*
- * No bank 1
- *
- * invalidate bank
- */
- memctl->memc_br3 = 0;
-
- /* adjust refresh rate depending on SDRAM type, one bank */
- reg = memctl->memc_mptpr;
- reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */
- memctl->memc_mptpr = reg;
- }
- }
-
- udelay (10000);
-
-#ifdef DO_RAM_TEST
- if (size_b0 > 0)
- test_dram ((unsigned long *) CFG_SDRAM_BASE,
- (unsigned long *) (CFG_SDRAM_BASE + size_b0));
-#endif
-
- 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 *) CFG_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- memctl->memc_mamr = mamr_value;
-
- return (get_ram_size(base, maxsize));
-}
-
-
-/* ------------------------------------------------------------------------- */
-
-u8 *dhcp_vendorex_prep (u8 * e)
-{
- char *ptr;
-
-/* DHCP vendor-class-identifier = 60 */
- if ((ptr = getenv ("dhcp_vendor-class-identifier"))) {
- *e++ = 60;
- *e++ = strlen (ptr);
- while (*ptr)
- *e++ = *ptr++;
- }
-/* my DHCP_CLIENT_IDENTIFIER = 61 */
- if ((ptr = getenv ("dhcp_client_id"))) {
- *e++ = 61;
- *e++ = strlen (ptr);
- while (*ptr)
- *e++ = *ptr++;
- }
-
- return e;
-}
-
-
-/* ------------------------------------------------------------------------- */
-u8 *dhcp_vendorex_proc (u8 * popt)
-{
- return NULL;
-}
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