diff options
Diffstat (limited to 'board/adder/adder.c')
-rw-r--r-- | board/adder/adder.c | 107 |
1 files changed, 0 insertions, 107 deletions
diff --git a/board/adder/adder.c b/board/adder/adder.c deleted file mode 100644 index cab6e2f66a..0000000000 --- a/board/adder/adder.c +++ /dev/null @@ -1,107 +0,0 @@ -/* - * Copyright (C) 2004 Arabella Software Ltd. - * Yuli Barcohen <yuli@arabellasw.com> - * - * Support for Analogue&Micro Adder boards family. - * Tested on AdderII and Adder87x. - * - * 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> - -/* - * SDRAM is single Samsung K4S643232F-T70 chip. - * Minimal CPU frequency is 40MHz. - */ -static uint sdram_table[] = { - /* Single read (offset 0x00 in UPM RAM) */ - 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xe0bbbc00, - 0x10f77c44, 0xf3fffc07, 0xfffffc04, 0xfffffc04, - - /* Burst read (offset 0x08 in UPM RAM) */ - 0x1f07fc24, 0xe0aefc04, 0x10adfc04, 0xf0affc00, - 0xf0affc00, 0xf0affc00, 0xf0affc00, 0x10a77c44, - 0xf7bffc47, 0xfffffc35, 0xfffffc34, 0xfffffc35, - 0xfffffc35, 0x1ff77c35, 0xfffffc34, 0x1fb57c35, - - /* Single write (offset 0x18 in UPM RAM) */ - 0x1f27fc24, 0xe0aebc04, 0x00b93c00, 0x13f77c47, - 0xfffdfc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, - - /* Burst write (offset 0x20 in UPM RAM) */ - 0x1f07fc24, 0xeeaebc00, 0x10ad7c00, 0xf0affc00, - 0xf0affc00, 0xe0abbc00, 0x1fb77c47, 0xfffffc04, - 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, - 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, - - /* Refresh (offset 0x30 in UPM RAM) */ - 0x1ff5fca4, 0xfffffc04, 0xfffffc04, 0xfffffc04, - 0xfffffc84, 0xfffffc07, 0xfffffc04, 0xfffffc04, - 0xfffffc04, 0xfffffc04, 0xfffffc04, 0xfffffc04, - - /* Exception (offset 0x3C in UPM RAM) */ - 0xfffffc27, 0xfffffc04, 0xfffffc04, 0xfffffc04 -}; - -long int initdram (int board_type) -{ - long int msize = CFG_SDRAM_SIZE; - volatile immap_t *immap = (volatile immap_t *)CFG_IMMR; - volatile memctl8xx_t *memctl = &immap->im_memctl; - - upmconfig(UPMA, sdram_table, sizeof(sdram_table) / sizeof(uint)); - - /* Configure SDRAM refresh */ - memctl->memc_mptpr = MPTPR_PTP_DIV32; /* BRGCLK/32 */ - - memctl->memc_mamr = (94 << 24) | CFG_MAMR; - memctl->memc_mar = 0x0; - udelay(200); - - /* Run precharge from location 0x15 */ - memctl->memc_mcr = 0x80002115; - udelay(200); - - /* Run 8 refresh cycles */ - memctl->memc_mcr = 0x80002830; - udelay(200); - - memctl->memc_mar = 0x88; - udelay(200); - - /* Run MRS pattern from location 0x16 */ - memctl->memc_mcr = 0x80002116; - udelay(200); - - return msize; -} - -int checkboard( void ) -{ - puts("Board: Adder"); -#if defined(CONFIG_MPC885_FAMILY) - puts("87x\n"); -#elif defined(CONFIG_MPC866_FAMILY) - puts("II\n"); -#endif - - return 0; -} |