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-rw-r--r--board/fads/fads.c870
1 files changed, 0 insertions, 870 deletions
diff --git a/board/fads/fads.c b/board/fads/fads.c
deleted file mode 100644
index fdb46b1f35..0000000000
--- a/board/fads/fads.c
+++ /dev/null
@@ -1,870 +0,0 @@
-/*
- * (C) Copyright 2000-2004
- * Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- *
- * Modified by, Yuli Barcohen, Arabella Software Ltd., yuli@arabellasw.com
- *
- * SPDX-License-Identifier: GPL-2.0+
- */
-
-#include <config.h>
-#include <common.h>
-#include <mpc8xx.h>
-#include <pcmcia.h>
-
-#define _NOT_USED_ 0xFFFFFFFF
-
-/* ========================================================================= */
-
-#ifndef CONFIG_MPC885ADS /* No old DRAM on MPC885ADS */
-
-#if defined(CONFIG_DRAM_50MHZ)
-/* 50MHz tables */
-static const uint dram_60ns[] =
-{ 0x8fffec24, 0x0fffec04, 0x0cffec04, 0x00ffec04,
- 0x00ffec00, 0x37ffec47, _NOT_USED_, _NOT_USED_,
- 0x8fffec24, 0x0fffec04, 0x08ffec04, 0x00ffec0c,
- 0x03ffec00, 0x00ffec44, 0x00ffcc08, 0x0cffcc44,
- 0x00ffec0c, 0x03ffec00, 0x00ffec44, 0x00ffcc00,
- 0x3fffc847, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x11bfcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
- 0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-static const uint dram_70ns[] =
-{ 0x8fffcc24, 0x0fffcc04, 0x0cffcc04, 0x00ffcc04,
- 0x00ffcc00, 0x37ffcc47, _NOT_USED_, _NOT_USED_,
- 0x8fffcc24, 0x0fffcc04, 0x0cffcc04, 0x00ffcc04,
- 0x00ffcc08, 0x0cffcc44, 0x00ffec0c, 0x03ffec00,
- 0x00ffec44, 0x00ffcc08, 0x0cffcc44, 0x00ffec04,
- 0x00ffec00, 0x3fffec47, _NOT_USED_, _NOT_USED_,
- 0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x11bfcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fafcc24, 0x0fafcc04, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0xe0ffcc84, 0x00ffcc04, 0x00ffcc04, 0x0fffcc04,
- 0x7fffcc06, 0xffffcc85, 0xffffcc05, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-static const uint edo_60ns[] =
-{ 0x8ffbec24, 0x0ff3ec04, 0x0cf3ec04, 0x00f3ec04,
- 0x00f3ec00, 0x37f7ec47, _NOT_USED_, _NOT_USED_,
- 0x8fffec24, 0x0ffbec04, 0x0cf3ec04, 0x00f3ec0c,
- 0x0cf3ec00, 0x00f3ec4c, 0x0cf3ec00, 0x00f3ec4c,
- 0x0cf3ec00, 0x00f3ec44, 0x03f3ec00, 0x3ff7ec47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc4f, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0xc0ffcc84, 0x00ffcc04, 0x07ffcc04, 0x3fffcc06,
- 0xffffcc85, 0xffffcc05, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-static const uint edo_70ns[] =
-{ 0x8ffbcc24, 0x0ff3cc04, 0x0cf3cc04, 0x00f3cc04,
- 0x00f3cc00, 0x37f7cc47, _NOT_USED_, _NOT_USED_,
- 0x8fffcc24, 0x0ffbcc04, 0x0cf3cc04, 0x00f3cc0c,
- 0x03f3cc00, 0x00f3cc44, 0x00f3ec0c, 0x0cf3ec00,
- 0x00f3ec4c, 0x03f3ec00, 0x00f3ec44, 0x00f3cc00,
- 0x33f7cc47, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x11bfcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x8fffcc24, 0x0fefcc04, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x03afcc4c, 0x0cafcc00, 0x03afcc4c,
- 0x0cafcc00, 0x33bfcc47, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0xe0ffcc84, 0x00ffcc04, 0x00ffcc04, 0x0fffcc04,
- 0x7fffcc04, 0xffffcc86, 0xffffcc05, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-#elif defined(CONFIG_DRAM_25MHZ)
-
-/* 25MHz tables */
-
-static const uint dram_60ns[] =
-{ 0x0fffcc04, 0x08ffcc00, 0x33ffcc47, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fffcc24, 0x0fffcc04, 0x08ffcc00, 0x03ffcc4c,
- 0x08ffcc00, 0x03ffcc4c, 0x08ffcc00, 0x03ffcc4c,
- 0x08ffcc00, 0x33ffcc47, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fafcc04, 0x08afcc00, 0x3fbfcc47, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fafcc04, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
- 0x01afcc4c, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
- 0x31bfcc43, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x80ffcc84, 0x13ffcc04, 0xffffcc87, 0xffffcc05,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-static const uint dram_70ns[] =
-{ 0x0fffec04, 0x08ffec04, 0x00ffec00, 0x3fffcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fffcc24, 0x0fffcc04, 0x08ffcc00, 0x03ffcc4c,
- 0x08ffcc00, 0x03ffcc4c, 0x08ffcc00, 0x03ffcc4c,
- 0x08ffcc00, 0x33ffcc47, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fafcc04, 0x08afcc00, 0x3fbfcc47, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fafcc04, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
- 0x01afcc4c, 0x0cafcc00, 0x01afcc4c, 0x0cafcc00,
- 0x31bfcc43, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0xc0ffcc84, 0x01ffcc04, 0x7fffcc86, 0xffffcc05,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-static const uint edo_60ns[] =
-{ 0x0ffbcc04, 0x0cf3cc04, 0x00f3cc00, 0x33f7cc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0ffbcc04, 0x09f3cc0c, 0x09f3cc0c, 0x09f3cc0c,
- 0x08f3cc00, 0x3ff7cc47, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fefcc04, 0x08afcc04, 0x00afcc00, 0x3fbfcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fefcc04, 0x08afcc00, 0x07afcc48, 0x08afcc48,
- 0x08afcc48, 0x39bfcc47, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x80ffcc84, 0x13ffcc04, 0xffffcc87, 0xffffcc05,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-
-static const uint edo_70ns[] =
-{ 0x0ffbcc04, 0x0cf3cc04, 0x00f3cc00, 0x33f7cc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0ffbec04, 0x08f3ec04, 0x03f3ec48, 0x08f3cc00,
- 0x0ff3cc4c, 0x08f3cc00, 0x0ff3cc4c, 0x08f3cc00,
- 0x3ff7cc47, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fefcc04, 0x08afcc04, 0x00afcc00, 0x3fbfcc47,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x0fefcc04, 0x08afcc00, 0x07afcc4c, 0x08afcc00,
- 0x07afcc4c, 0x08afcc00, 0x07afcc4c, 0x08afcc00,
- 0x37bfcc47, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0xc0ffcc84, 0x01ffcc04, 0x7fffcc86, 0xffffcc05,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- 0x33ffcc07, _NOT_USED_, _NOT_USED_, _NOT_USED_ };
-#else
-#error dram not correctly defined - use CONFIG_DRAM_25MHZ or CONFIG_DRAM_50MHZ
-#endif
-
-/* ------------------------------------------------------------------------- */
-static int _draminit (uint base, uint noMbytes, uint edo, uint delay)
-{
- volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- /* init upm */
-
- switch (delay) {
- case 70:
- if (edo) {
- upmconfig (UPMA, (uint *) edo_70ns,
- sizeof (edo_70ns) / sizeof (uint));
- } else {
- upmconfig (UPMA, (uint *) dram_70ns,
- sizeof (dram_70ns) / sizeof (uint));
- }
-
- break;
-
- case 60:
- if (edo) {
- upmconfig (UPMA, (uint *) edo_60ns,
- sizeof (edo_60ns) / sizeof (uint));
- } else {
- upmconfig (UPMA, (uint *) dram_60ns,
- sizeof (dram_60ns) / sizeof (uint));
- }
-
- break;
-
- default:
- return -1;
- }
-
- memctl->memc_mptpr = 0x0400; /* divide by 16 */
-
- switch (noMbytes) {
- case 4: /* 4 Mbyte uses only CS2 */
- memctl->memc_mamr = 0x13a01114; /* PTA 0x13 AMA 010 */
- memctl->memc_or2 = 0xffc00800; /* 4M */
- break;
-
- case 8: /* 8 Mbyte uses both CS3 and CS2 */
- memctl->memc_mamr = 0x13a01114; /* PTA 0x13 AMA 010 */
- memctl->memc_or3 = 0xffc00800; /* 4M */
- memctl->memc_br3 = 0x00400081 + base;
- memctl->memc_or2 = 0xffc00800; /* 4M */
- break;
-
- case 16: /* 16 Mbyte uses only CS2 */
- memctl->memc_mamr = 0x13b01114; /* PTA 0x13 AMA 011 */
- memctl->memc_or2 = 0xff000800; /* 16M */
- break;
-
- case 32: /* 32 Mbyte uses both CS3 and CS2 */
- memctl->memc_mamr = 0x13b01114; /* PTA 0x13 AMA 011 */
- memctl->memc_or3 = 0xff000800; /* 16M */
- memctl->memc_br3 = 0x01000081 + base;
- memctl->memc_or2 = 0xff000800; /* 16M */
- break;
-
- default:
- return -1;
- }
-
- memctl->memc_br2 = 0x81 + base; /* use upma */
-
- *((uint *) BCSR1) &= ~BCSR1_DRAM_EN; /* enable dram */
-
- /* if no dimm is inserted, noMbytes is still detected as 8m, so
- * sanity check top and bottom of memory */
-
- /* check bytes / 2 because get_ram_size tests at base+bytes, which
- * is not mapped */
- if (noMbytes == 8)
- if (get_ram_size ((long *) base, noMbytes << 19) != noMbytes << 19) {
- *((uint *) BCSR1) |= BCSR1_DRAM_EN; /* disable dram */
- return -1;
- }
-
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-
-static void _dramdisable(void)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- memctl->memc_br2 = 0x00000000;
- memctl->memc_br3 = 0x00000000;
-
- /* maybe we should turn off upma here or something */
-}
-#endif /* !CONFIG_MPC885ADS */
-
-/* ========================================================================= */
-
-#ifdef CONFIG_FADS /* SDRAM exists on FADS and newer boards */
-
-#if defined(CONFIG_SDRAM_100MHZ)
-
-/* ------------------------------------------------------------------------- */
-/* sdram table by Dan Malek */
-
-/* This has the stretched early timing so the 50 MHz
- * processor can make the 100 MHz timing. This will
- * work at all processor speeds.
- */
-
-#ifdef SDRAM_ALT_INIT_SEQENCE
-# define SDRAM_MBMRVALUE0 0xc3802114 /* PTx=195,PTxE,AMx=0,DSx=1,A11,RLFx=1,WLFx=1,TLFx=4 */
-#define SDRAM_MBMRVALUE1 SDRAM_MBMRVALUE0
-# define SDRAM_MCRVALUE0 0x80808111 /* run upmb cs4 loop 1 addr 0x11 MRS */
-# define SDRAM_MCRVALUE1 SDRAM_MCRVALUE0 /* ??? why not 0x80808130? */
-#else
-# define SDRAM_MxMR_PTx 195
-# define UPM_MRS_ADDR 0x11
-# define UPM_REFRESH_ADDR 0x30 /* or 0x11 if we want to be like above? */
-#endif /* !SDRAM_ALT_INIT_SEQUENCE */
-
-static const uint sdram_table[] =
-{
- /* single read. (offset 0 in upm RAM) */
- 0xefebfc24, 0x1f07fc24, 0xeeaefc04, 0x11adfc04,
- 0xefbbbc00, 0x1ff77c45, _NOT_USED_, _NOT_USED_,
-
- /* burst read. (offset 8 in upm RAM) */
- 0xefebfc24, 0x1f07fc24, 0xeeaefc04, 0x10adfc04,
- 0xf0affc00, 0xf0affc00, 0xf1affc00, 0xefbbbc00,
- 0x1ff77c45,
-
- /* precharge + MRS. (offset 11 in upm RAM) */
- 0xeffbbc04, 0x1ff77c34, 0xefeabc34,
- 0x1fb57c35, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
- /* single write. (offset 18 in upm RAM) */
- 0xefebfc24, 0x1f07fc24, 0xeeaebc00, 0x01b93c04,
- 0x1ff77c45, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
- /* burst write. (offset 20 in upm RAM) */
- 0xefebfc24, 0x1f07fc24, 0xeeaebc00, 0x10ad7c00,
- 0xf0affc00, 0xf0affc00, 0xe1bbbc04, 0x1ff77c45,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
- /* refresh. (offset 30 in upm RAM) */
- 0xeffafc84, 0x1ff5fc04, 0xfffffc04, 0xfffffc04,
- 0xfffffc84, 0xfffffc07, _NOT_USED_, _NOT_USED_,
- _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
-
- /* exception. (offset 3c in upm RAM) */
- 0xeffffc06, 0x1ffffc07, _NOT_USED_, _NOT_USED_ };
-
-#elif defined(CONFIG_SDRAM_50MHZ)
-
-/* ------------------------------------------------------------------------- */
-/* sdram table stolen from the fads manual */
-/* for chip MB811171622A-100 */
-
-/* this table is for 32-50MHz operation */
-#ifdef SDRAM_ALT_INIT_SEQENCE
-# define SDRAM_MBMRVALUE0 0x80802114 /* PTx=128,PTxE,AMx=0,DSx=1,A11,RLFx=1,WLFx=1,TLFx=4 */
-# define SDRAM_MBMRVALUE1 0x80802118 /* PTx=128,PTxE,AMx=0,DSx=1,A11,RLFx=1,WLFx=1,TLFx=8 */
-# define SDRAM_MCRVALUE0 0x80808105 /* run upmb cs4 loop 1 addr 0x5 MRS */
-# define SDRAM_MCRVALUE1 0x80808130 /* run upmb cs4 loop 1 addr 0x30 REFRESH */
-# define SDRAM_MPTRVALUE 0x400
-#define SDRAM_MARVALUE 0x88
-#else
-# define SDRAM_MxMR_PTx 128
-# define UPM_MRS_ADDR 0x5
-# define UPM_REFRESH_ADDR 0x30
-#endif /* !SDRAM_ALT_INIT_SEQUENCE */
-
-static const uint sdram_table[] =
-{
- /* single read. (offset 0 in upm RAM) */
- 0x1f07fc04, 0xeeaefc04, 0x11adfc04, 0xefbbbc00,
- 0x1ff77c47,
-
- /* precharge + MRS. (offset 5 in upm RAM) */
- 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_ };
-
-/* ------------------------------------------------------------------------- */
-#else
-#error SDRAM not correctly configured
-#endif
-/* ------------------------------------------------------------------------- */
-
-/*
- * Memory Periodic Timer Prescaler
- */
-
-#define SDRAM_OR4VALUE 0x00000a00 /* SAM,GL5A/S=01,addr mask or'ed on later */
-#define SDRAM_BR4VALUE 0x000000c1 /* UPMB,base addr or'ed on later */
-
-/* ------------------------------------------------------------------------- */
-#ifdef SDRAM_ALT_INIT_SEQENCE
-/* ------------------------------------------------------------------------- */
-
-static int _initsdram(uint base, uint noMbytes)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- upmconfig(UPMB, (uint *)sdram_table,sizeof(sdram_table)/sizeof(uint));
-
- memctl->memc_mptpr = SDRAM_MPTPRVALUE;
-
- /* Configure the refresh (mostly). This needs to be
- * based upon processor clock speed and optimized to provide
- * the highest level of performance. For multiple banks,
- * this time has to be divided by the number of banks.
- * Although it is not clear anywhere, it appears the
- * refresh steps through the chip selects for this UPM
- * on each refresh cycle.
- * We have to be careful changing
- * UPM registers after we ask it to run these commands.
- */
-
- memctl->memc_mbmr = SDRAM_MBMRVALUE0; /* TLF 4 */
- memctl->memc_mar = SDRAM_MARVALUE; /* MRS code */
-
- udelay(200);
-
- /* Now run the precharge/nop/mrs commands.
- */
-
- memctl->memc_mcr = 0x80808111; /* run umpb cs4 1 count 1, addr 0x11 ??? (50MHz) */
- /* run umpb cs4 1 count 1, addr 0x11 precharge+MRS (100MHz) */
- udelay(200);
-
- /* Run 8 refresh cycles */
-
- memctl->memc_mcr = SDRAM_MCRVALUE0; /* run upmb cs4 loop 1 addr 0x5 precharge+MRS (50 MHz)*/
- /* run upmb cs4 loop 1 addr 0x11 precharge+MRS (100MHz) */
-
- udelay(200);
-
- memctl->memc_mbmr = SDRAM_MBMRVALUE1; /* TLF 4 (100 MHz) or TLF 8 (50MHz) */
- memctl->memc_mcr = SDRAM_MCRVALUE1; /* run upmb cs4 loop 1 addr 0x30 refr (50 MHz) */
- /* run upmb cs4 loop 1 addr 0x11 precharge+MRS ??? (100MHz) */
-
- udelay(200);
-
- memctl->memc_mbmr = SDRAM_MBMRVALUE0; /* TLF 4 */
-
- memctl->memc_or4 = SDRAM_OR4VALUE | ~((noMbytes<<20)-1);
- memctl->memc_br4 = SDRAM_BR4VALUE | base;
-
- return 0;
-}
-
-/* ------------------------------------------------------------------------- */
-#else /* !SDRAM_ALT_INIT_SEQUENCE */
-/* ------------------------------------------------------------------------- */
-
-/* refresh rate 15.6 us (= 64 ms / 4K = 62.4 / quad bursts) for <= 128 MBit */
-# define MPTPR_2BK_4K MPTPR_PTP_DIV16 /* setting for 2 banks */
-# define MPTPR_1BK_4K MPTPR_PTP_DIV32 /* setting for 1 bank */
-
-/* refresh rate 7.8 us (= 64 ms / 8K = 31.2 / quad bursts) for 256 MBit */
-# define MPTPR_2BK_8K MPTPR_PTP_DIV8 /* setting for 2 banks */
-# define MPTPR_1BK_8K MPTPR_PTP_DIV16 /* setting for 1 bank */
-
-/*
- * MxMR settings for SDRAM
- */
-
-/* 8 column SDRAM */
-# define SDRAM_MxMR_8COL ((SDRAM_MxMR_PTx << MBMR_PTB_SHIFT) | MBMR_PTBE | \
- MBMR_AMB_TYPE_0 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A11 | \
- MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
-/* 9 column SDRAM */
-# define SDRAM_MxMR_9COL ((SDRAM_MxMR_PTx << MBMR_PTB_SHIFT) | MBMR_PTAE | \
- MBMR_AMB_TYPE_1 | MBMR_DSB_1_CYCL | MBMR_G0CLB_A10 | \
- MBMR_RLFB_1X | MBMR_WLFB_1X | MBMR_TLFB_4X)
-
-static int _initsdram(uint base, uint noMbytes)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- upmconfig(UPMB, (uint *)sdram_table,sizeof(sdram_table)/sizeof(uint));
-
- memctl->memc_mptpr = MPTPR_2BK_4K;
- memctl->memc_mbmr = SDRAM_MxMR_8COL & (~(MBMR_PTBE)); /* no refresh yet */
-
- /* map CS 4 */
- memctl->memc_or4 = SDRAM_OR4VALUE | ~((noMbytes<<20)-1);
- memctl->memc_br4 = SDRAM_BR4VALUE | base;
-
- /* Perform SDRAM initilization */
-# ifdef UPM_NOP_ADDR /* not currently in UPM table */
- /* step 1: nop */
- memctl->memc_mar = 0x00000000;
- memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
- MCR_MLCF(0) | UPM_NOP_ADDR;
-# endif
-
- /* step 2: delay */
- udelay(200);
-
-# ifdef UPM_PRECHARGE_ADDR /* merged with MRS in UPM table */
- /* step 3: precharge */
- memctl->memc_mar = 0x00000000;
- memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
- MCR_MLCF(4) | UPM_PRECHARGE_ADDR;
-# endif
-
- /* step 4: refresh */
- memctl->memc_mar = 0x00000000;
- memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
- MCR_MLCF(2) | UPM_REFRESH_ADDR;
-
- /*
- * note: for some reason, the UPM values we are using include
- * precharge with MRS
- */
-
- /* step 5: mrs */
- memctl->memc_mar = 0x00000088;
- memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
- MCR_MLCF(1) | UPM_MRS_ADDR;
-
-# ifdef UPM_NOP_ADDR
- memctl->memc_mar = 0x00000000;
- memctl->memc_mcr = MCR_UPM_B | MCR_OP_RUN | MCR_MB_CS4 |
- MCR_MLCF(0) | UPM_NOP_ADDR;
-# endif
- /*
- * Enable refresh
- */
-
- memctl->memc_mbmr |= MBMR_PTBE;
- return 0;
-}
-#endif /* !SDRAM_ALT_INIT_SEQUENCE */
-
-/* ------------------------------------------------------------------------- */
-
-static void _sdramdisable(void)
-{
- volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR;
- volatile memctl8xx_t *memctl = &immap->im_memctl;
-
- memctl->memc_br4 = 0x00000000;
-
- /* maybe we should turn off upmb here or something */
-}
-
-/* ------------------------------------------------------------------------- */
-
-static int initsdram(uint base, uint *noMbytes)
-{
- uint m = CONFIG_SYS_SDRAM_SIZE>>20;
-
- /* _initsdram needs access to sdram */
- *((uint *)BCSR1) |= BCSR1_SDRAM_EN; /* enable sdram */
-
- if(!_initsdram(base, m))
- {
- *noMbytes += m;
- return 0;
- }
- else
- {
- *((uint *)BCSR1) &= ~BCSR1_SDRAM_EN; /* disable sdram */
-
- _sdramdisable();
-
- return -1;
- }
-}
-
-#endif /* CONFIG_FADS */
-
-/* ========================================================================= */
-
-phys_size_t initdram (int board_type)
-{
- uint sdramsz = 0; /* size of sdram in Mbytes */
- uint m = 0; /* size of dram in Mbytes */
-#ifndef CONFIG_MPC885ADS
- uint base = 0; /* base of dram in bytes */
- uint k, s;
-#endif
-
-#ifdef CONFIG_FADS
- if (!initsdram (0x00000000, &sdramsz)) {
-#ifndef CONFIG_MPC885ADS
- base = sdramsz << 20;
-#endif
- printf ("(%u MB SDRAM) ", sdramsz);
- }
-#endif
-#ifndef CONFIG_MPC885ADS /* No old DRAM on MPC885ADS */
- k = (*((uint *) BCSR2) >> 23) & 0x0f;
-
- switch (k & 0x3) {
- /* "MCM36100 / MT8D132X" */
- case 0x00:
- m = 4;
- break;
-
- /* "MCM36800 / MT16D832X" */
- case 0x01:
- m = 32;
- break;
- /* "MCM36400 / MT8D432X" */
- case 0x02:
- m = 16;
- break;
- /* "MCM36200 / MT16D832X ?" */
- case 0x03:
- m = 8;
- break;
-
- }
-
- switch (k >> 2) {
- case 0x02:
- k = 70;
- break;
-
- case 0x03:
- k = 60;
- break;
-
- default:
- printf ("unknown dramdelay (0x%x) - defaulting to 70 ns", k);
- k = 70;
- }
-
-#ifdef CONFIG_FADS
- /* the FADS is missing this bit, all rams treated as non-edo */
- s = 0;
-#else
- s = (*((uint *) BCSR2) >> 27) & 0x01;
-#endif
-
- if (!_draminit (base, m, s, k)) {
- printf ("%dM %dns %sDRAM: ", m, k, s ? "EDO " : "");
- } else {
- _dramdisable ();
- m = 0;
- }
-#endif /* !CONFIG_MPC885ADS */
- m += sdramsz; /* add sdram size to total */
-
- return (m << 20);
-}
-
-/* ------------------------------------------------------------------------- */
-
-int testdram (void)
-{
- /* TODO: XXX XXX XXX */
- printf ("test: 16 MB - ok\n");
-
- return (0);
-}
-
-/* ========================================================================= */
-
-/*
- * Check Board Identity:
- */
-
-int checkboard (void)
-{
-#if defined(CONFIG_MPC86xADS)
- puts ("Board: MPC86xADS\n");
-#elif defined(CONFIG_MPC885ADS)
- puts ("Board: MPC885ADS\n");
-#else /* Only old ADS/FADS have got revision ID in BCSR3 */
- uint r = (((*((uint *) BCSR3) >> 23) & 1) << 3)
- | (((*((uint *) BCSR3) >> 19) & 1) << 2)
- | (((*((uint *) BCSR3) >> 16) & 3));
-
- puts ("Board: ");
-#if defined(CONFIG_FADS)
- puts ("FADS");
- checkdboard ();
-#else
- puts ("ADS");
-#endif
-
- puts (" rev ");
-
- switch (r) {
- case 0x00:
- puts ("ENG\n");
- break;
- case 0x01:
- puts ("PILOT\n");
- break;
- default:
- printf ("unknown (0x%x)\n", r);
- return -1;
- }
-#endif /* CONFIG_MPC86xADS */
-
- return 0;
-}
-
-/* ========================================================================= */
-
-#if defined(CONFIG_CMD_PCMCIA)
-
-#ifdef CONFIG_SYS_PCMCIA_MEM_ADDR
-volatile unsigned char *pcmcia_mem = (unsigned char*)CONFIG_SYS_PCMCIA_MEM_ADDR;
-#endif
-
-int pcmcia_init(void)
-{
- volatile pcmconf8xx_t *pcmp;
- uint v, slota = 0, slotb = 0;
-
- /*
- ** Enable the PCMCIA for a Flash card.
- */
- pcmp = (pcmconf8xx_t *)(&(((immap_t *)CONFIG_SYS_IMMR)->im_pcmcia));
-
-#if 0
- pcmp->pcmc_pbr0 = CONFIG_SYS_PCMCIA_MEM_ADDR;
- pcmp->pcmc_por0 = 0xc00ff05d;
-#endif
-
- /* Set all slots to zero by default. */
- pcmp->pcmc_pgcra = 0;
- pcmp->pcmc_pgcrb = 0;
-#ifdef CONFIG_PCMCIA_SLOT_A
- pcmp->pcmc_pgcra = 0x40;
-#endif
-#ifdef CONFIG_PCMCIA_SLOT_B
- pcmp->pcmc_pgcrb = 0x40;
-#endif
-
- /* enable PCMCIA buffers */
- *((uint *)BCSR1) &= ~BCSR1_PCCEN;
-
- /* Check if any PCMCIA card is plugged in. */
-
-#ifdef CONFIG_PCMCIA_SLOT_A
- slota = (pcmp->pcmc_pipr & 0x18000000) == 0 ;
-#endif
-#ifdef CONFIG_PCMCIA_SLOT_B
- slotb = (pcmp->pcmc_pipr & 0x00001800) == 0 ;
-#endif
-
- if (!(slota || slotb)) {
- printf("No card present\n");
- pcmp->pcmc_pgcra = 0;
- pcmp->pcmc_pgcrb = 0;
- return -1;
- }
- else
- printf("Card present (");
-
- v = 0;
-
- /* both the ADS and the FADS have a 5V keyed pcmcia connector (?)
- **
- ** Paolo - Yes, but i have to insert some 3.3V card in that slot on
- ** my FADS... :-)
- */
-
-#if defined(CONFIG_MPC86x)
- switch ((pcmp->pcmc_pipr >> 30) & 3)
-#elif defined(CONFIG_MPC823) || defined(CONFIG_MPC850)
- switch ((pcmp->pcmc_pipr >> 14) & 3)
-#endif
- {
- case 0x03 :
- printf("5V");
- v = 5;
- break;
- case 0x01 :
- printf("5V and 3V");
-#ifdef CONFIG_FADS
- v = 3; /* User lower voltage if supported! */
-#else
- v = 5;
-#endif
- break;
- case 0x00 :
- printf("5V, 3V and x.xV");
-#ifdef CONFIG_FADS
- v = 3; /* User lower voltage if supported! */
-#else
- v = 5;
-#endif
- break;
- }
-
- switch (v) {
-#ifdef CONFIG_FADS
- case 3:
- printf("; using 3V");
- /*
- ** Enable 3 volt Vcc.
- */
- *((uint *)BCSR1) &= ~BCSR1_PCCVCC1;
- *((uint *)BCSR1) |= BCSR1_PCCVCC0;
- break;
-#endif
- case 5:
- printf("; using 5V");
-#ifdef CONFIG_FADS
- /*
- ** Enable 5 volt Vcc.
- */
- *((uint *)BCSR1) &= ~BCSR1_PCCVCC0;
- *((uint *)BCSR1) |= BCSR1_PCCVCC1;
-#endif
- break;
-
- default:
- *((uint *)BCSR1) |= BCSR1_PCCEN; /* disable pcmcia */
-
- printf("; unknown voltage");
- return -1;
- }
- printf(")\n");
- /* disable pcmcia reset after a while */
-
- udelay(20);
-
-#ifdef CONFIG_PCMCIA_SLOT_A
- pcmp->pcmc_pgcra = 0;
-#endif
-#ifdef CONFIG_PCMCIA_SLOT_B
- pcmp->pcmc_pgcrb = 0;
-#endif
-
- /* If you using a real hd you should give a short
- * spin-up time. */
-#ifdef CONFIG_DISK_SPINUP_TIME
- udelay(CONFIG_DISK_SPINUP_TIME);
-#endif
-
- return 0;
-}
-
-#endif
-
-/* ========================================================================= */
-
-#ifdef CONFIG_SYS_PC_IDE_RESET
-
-void ide_set_reset(int on)
-{
- volatile immap_t *immr = (immap_t *)CONFIG_SYS_IMMR;
-
- /*
- * Configure PC for IDE Reset Pin
- */
- if (on) { /* assert RESET */
- immr->im_ioport.iop_pcdat &= ~(CONFIG_SYS_PC_IDE_RESET);
- } else { /* release RESET */
- immr->im_ioport.iop_pcdat |= CONFIG_SYS_PC_IDE_RESET;
- }
-
- /* program port pin as GPIO output */
- immr->im_ioport.iop_pcpar &= ~(CONFIG_SYS_PC_IDE_RESET);
- immr->im_ioport.iop_pcso &= ~(CONFIG_SYS_PC_IDE_RESET);
- immr->im_ioport.iop_pcdir |= CONFIG_SYS_PC_IDE_RESET;
-}
-
-#endif /* CONFIG_SYS_PC_IDE_RESET */
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