diff options
Diffstat (limited to 'board/v37/v37.c')
| -rw-r--r-- | board/v37/v37.c | 202 |
1 files changed, 0 insertions, 202 deletions
diff --git a/board/v37/v37.c b/board/v37/v37.c deleted file mode 100644 index 438117e..0000000 --- a/board/v37/v37.c +++ /dev/null @@ -1,202 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -/* - * Yoo. Jonghoon, IPone, yooth@ipone.co.kr - * U-Boot port on RPXlite board - * - * DRAM related UPMA register values are modified. - * See RPXLite engineering note : 50MHz/60ns - UPM RAM WORDS - */ - -#include <common.h> -#include "mpc8xx.h" - -/* ------------------------------------------------------------------------- */ - -static long int dram_size (void); - -/* ------------------------------------------------------------------------- */ - -#define MBYTE (1024*1024) -#define DRAM_DELAY 0x00000379 /* DRAM delay count */ -#define _NOT_USED_ 0xFFFFCC25 - -const uint sdram_table[] = -{ - /* single read. (offset 0 in upm RAM) */ - 0x1F07D004, 0xEEAEE004, 0x11ADD004, 0xEFBBA000, - 0x1FF75447, 0x1FF77C34, 0xEFEABC34, 0x1FB57C35, - - /* burst read. (Offset 8 in upm RAM) */ - 0x1F07D004, 0xEEAEE004, 0x00ADC004, 0x00AFC000, - 0x00AFC000, 0x01AFC000, 0x0FBB8000, 0x1FF75447, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* single write. (Offset 0x18 in upm RAM) */ - 0x1F27D004, 0xEEAEA000, 0x01B90004, 0x1FF75447, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* burst write. (Offset 0x20 in upm RAM) */ - 0x1F07D004, 0xEEAEA000, 0x00AD4000, 0x00AFC000, - 0x00AFC000, 0x01BB8004, 0x1FF75447, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* Refresh cycle, offset 0x30 */ - 0x1FF5DC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, - 0xFFFFFC84, 0xFFFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, - 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, - - /* Exception, 0ffset 0x3C */ - 0x7FFFFC07, 0xFFFFFFFF, 0xFFFFFFFF, 0xFFFFFFFF, -}; -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - * - * Return 1 for now. - * - */ - -int checkboard (void) -{ - printf("Marel V37\n") ; - 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; - unsigned long temp; - volatile int delay_cnt; - long int ramsize; - - ramsize = dram_size(); - - /* Refresh clock prescalar */ - memctl->memc_mptpr = 0x400 ; - - if( ramsize == 32*MBYTE ) - temp = 0xd0904110; - else /* 16MB */ - temp = 0xd0802110; - - memctl->memc_mbmr = temp; - - upmconfig(UPMB, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint)); - - /* Map controller banks 2 to the SDRAM bank */ - memctl->memc_or2 = 0xA00 | (0 - ramsize); - memctl->memc_br2 = 0xC1; - - memctl->memc_mbmr = temp | 0x08; - memctl->memc_mcr = 0x80804130; - - delay_cnt = 0; - while( delay_cnt++ < DRAM_DELAY ) - ; - - /* Run MRS command in location 5-8 of UPMB */ - - memctl->memc_mbmr = temp | 0x04; - memctl->memc_mar = 0x88; - - memctl->memc_mcr = 0x80804105; - - delay_cnt = 0; - while( delay_cnt++ < DRAM_DELAY ) - ; - -#ifdef CONFIG_CAN_DRIVER - /* Initialize OR3 / BR3 */ - memctl->memc_or3 = CONFIG_SYS_OR3_CAN; - memctl->memc_br3 = CONFIG_SYS_BR3_CAN; - - /* Initialize MBMR */ - memctl->memc_mamr = MAMR_GPL_A4DIS; /* GPL_A4 ouput line Disable */ - - /* Initialize UPMB for CAN: single read */ - memctl->memc_mdr = 0xFFFFC004; - memctl->memc_mcr = 0x0100 | UPMA; - - memctl->memc_mdr = 0x0FFFD004; - memctl->memc_mcr = 0x0101 | UPMA; - - memctl->memc_mdr = 0x0FFFC000; - memctl->memc_mcr = 0x0102 | UPMA; - - memctl->memc_mdr = 0x3FFFC004; - memctl->memc_mcr = 0x0103 | UPMA; - - memctl->memc_mdr = 0xFFFFDC05; - memctl->memc_mcr = 0x0104 | UPMA; - - /* Initialize UPMB for CAN: single write */ - memctl->memc_mdr = 0xFFFCC004; - memctl->memc_mcr = 0x0118 | UPMA; - - memctl->memc_mdr = 0xCFFCD004; - memctl->memc_mcr = 0x0119 | UPMA; - - memctl->memc_mdr = 0x0FFCC000; - memctl->memc_mcr = 0x011A | UPMA; - - memctl->memc_mdr = 0x7FFCC004; - memctl->memc_mcr = 0x011B | UPMA; - - memctl->memc_mdr = 0xFFFDCC05; - memctl->memc_mcr = 0x011C | UPMA; -#endif /* CONFIG_CAN_DRIVER */ - - return (dram_size()); -} - -/* ------------------------------------------------------------------------- */ - -/* - * Find size of RAM from configuration pins. - * The input pins that contain the memory size are also the debug port - * pins. Normally they are configured as debug port pins. To be able - * to read the memory configuration, we must deactivate the debug port - * and enable the pcmcia input pins. Then return the register to - * previous state. - */ - -static long int dram_size () -{ - volatile immap_t *immap = (immap_t *)CONFIG_SYS_IMMR; - volatile sysconf8xx_t *siu = &immap->im_siu_conf; - volatile pcmconf8xx_t *pcm = &immap->im_pcmcia; - long int i, memory=1; - unsigned long siu_mcr; - - siu_mcr = siu->sc_siumcr; - siu->sc_siumcr = siu_mcr & 0xFF9FFFFF; - for(i=0; i<10; i++) i = i; - - memory = (pcm->pcmc_pipr>>12) & 0x3; - - siu->sc_siumcr = siu_mcr; - - switch( memory ) - { - case 1: - return( 32*MBYTE ); - case 2: - return( 64*MBYTE ); - default: - break; - } - return( 16*MBYTE ); -} |