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56f94be3ef
syslog mechanism; used especially for POST results. * Patch by Klaus Heydeck, 31 Oct 2002: Add initial support for kup4k board
424 lines
10 KiB
C
424 lines
10 KiB
C
/*
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* (C) Copyright 2000, 2001, 2002
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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* Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.de
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <mpc8xx.h>
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#ifdef CONFIG_KUP4K_LOGO
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#include "s1d13706.h"
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#endif
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typedef struct
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{
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volatile unsigned char *VmemAddr;
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volatile unsigned char *RegAddr;
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}FB_INFO_S1D13xxx;
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/* ------------------------------------------------------------------------- */
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#if 0
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static long int dram_size (long int, long int *, long int);
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#endif
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#ifdef CONFIG_KUP4K_LOGO
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void lcd_logo(bd_t *bd);
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#endif
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/* ------------------------------------------------------------------------- */
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#define _NOT_USED_ 0xFFFFFFFF
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const uint sdram_table[] =
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{
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/*
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* Single Read. (Offset 0 in UPMA RAM)
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*/
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0x1F07FC04,
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0xEEAEFC04,
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0x11ADFC04,
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0xEFBBBC00,
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0x1FF77C47, /* last */
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/*
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* SDRAM Initialization (offset 5 in UPMA RAM)
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*
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* This is no UPM entry point. The following definition uses
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* the remaining space to establish an initialization
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* sequence, which is executed by a RUN command.
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*
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*/
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0x1FF77C35,
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0xEFEABC34,
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0x1FB57C35, /* last */
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/*
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* Burst Read. (Offset 8 in UPMA RAM)
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*/
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0x1F07FC04,
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0xEEAEFC04,
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0x10ADFC04,
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0xF0AFFC00,
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0xF0AFFC00,
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0xF1AFFC00,
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0xEFBBBC00,
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0x1FF77C47, /* last */
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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/*
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* Single Write. (Offset 18 in UPMA RAM)
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*/
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0x1F27FC04,
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0xEEAEBC00,
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0x01B93C04,
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0x1FF77C47, /* last */
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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/*
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* Burst Write. (Offset 20 in UPMA RAM)
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*/
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0x1F07FC04,
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0xEEAEBC00,
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0x10AD7C00,
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0xF0AFFC00,
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0xF0AFFC00,
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0xE1BBBC04,
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0x1FF77C47, /* last */
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_NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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/*
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* Refresh (Offset 30 in UPMA RAM)
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*/
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0x1FF5FC84,
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0xFFFFFC04,
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0xFFFFFC04,
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0xFFFFFC04,
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0xFFFFFC84,
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0xFFFFFC07, /* last */
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_NOT_USED_, _NOT_USED_,
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_NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_,
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/*
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* Exception. (Offset 3c in UPMA RAM)
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*/
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0x7FFFFC07, /* last */
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_NOT_USED_, _NOT_USED_, _NOT_USED_,
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};
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/* ------------------------------------------------------------------------- */
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/*
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* Check Board Identity:
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*/
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int checkboard (void)
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{
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printf ("### No HW ID - assuming KUP4K-Color\n");
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return (0);
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}
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/* ------------------------------------------------------------------------- */
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long int initdram (int board_type)
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{
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volatile immap_t *immap = (immap_t *)CFG_IMMR;
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volatile memctl8xx_t *memctl = &immap->im_memctl;
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long int size_b0 = 0;
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long int size_b1 = 0;
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long int size_b2 = 0;
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upmconfig(UPMA, (uint *)sdram_table, sizeof(sdram_table)/sizeof(uint));
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/*
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* Preliminary prescaler for refresh (depends on number of
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* banks): This value is selected for four cycles every 62.4 us
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* with two SDRAM banks or four cycles every 31.2 us with one
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* bank. It will be adjusted after memory sizing.
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*/
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memctl->memc_mptpr = CFG_MPTPR;
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memctl->memc_mar = 0x00000088;
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/*
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* Map controller banks 1 and 2 to the SDRAM banks 2 and 3 at
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* preliminary addresses - these have to be modified after the
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* SDRAM size has been determined.
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*/
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/* memctl->memc_or1 = CFG_OR1_PRELIM; */
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/* memctl->memc_br1 = CFG_BR1_PRELIM; */
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/* memctl->memc_or2 = CFG_OR2_PRELIM; */
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/* memctl->memc_br2 = CFG_BR2_PRELIM; */
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memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */
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udelay(200);
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/* perform SDRAM initializsation sequence */
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memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */
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udelay(1);
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memctl->memc_mcr = 0x80002830; /* SDRAM bank 0 - execute twice */
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udelay(1);
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memctl->memc_mcr = 0x80002106; /* SDRAM bank 0 - RUN MRS Pattern from loc 6 */
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udelay(1);
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memctl->memc_mcr = 0x80004105; /* SDRAM bank 1 */
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udelay(1);
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memctl->memc_mcr = 0x80004830; /* SDRAM bank 1 - execute twice */
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udelay(1);
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memctl->memc_mcr = 0x80004106; /* SDRAM bank 1 - RUN MRS Pattern from loc 6 */
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udelay(1);
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memctl->memc_mcr = 0x80006105; /* SDRAM bank 2 */
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udelay(1);
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memctl->memc_mcr = 0x80006830; /* SDRAM bank 2 - execute twice */
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udelay(1);
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memctl->memc_mcr = 0x80006106; /* SDRAM bank 2 - RUN MRS Pattern from loc 6 */
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udelay(1);
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memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */
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udelay (1000);
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size_b0 = 0x00800000;
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size_b1 = 0x00800000;
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size_b2 = 0x00800000;
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memctl->memc_mptpr = CFG_MPTPR;
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udelay(1000);
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memctl->memc_or1 = 0xFF800A00;
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memctl->memc_br1 = 0x00000081;
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memctl->memc_or2 = 0xFF000A00;
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memctl->memc_br2 = 0x00800081;
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memctl->memc_or3 = 0xFE000A00;
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memctl->memc_br3 = 0x01000081;
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udelay(10000);
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return (size_b0 + size_b1 + size_b2);
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}
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/* ------------------------------------------------------------------------- */
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/*
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* Check memory range for valid RAM. A simple memory test determines
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* the actually available RAM size between addresses `base' and
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* `base + maxsize'. Some (not all) hardware errors are detected:
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* - short between address lines
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* - short between data lines
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*/
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#if 0
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static long int dram_size (long int mamr_value, long int *base, long int maxsize)
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{
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volatile immap_t *immap = (immap_t *)CFG_IMMR;
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volatile memctl8xx_t *memctl = &immap->im_memctl;
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volatile long int *addr;
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ulong cnt, val;
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ulong save[32]; /* to make test non-destructive */
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unsigned char i = 0;
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memctl->memc_mamr = mamr_value;
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for (cnt = maxsize/sizeof(long); cnt > 0; cnt >>= 1) {
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addr = base + cnt; /* pointer arith! */
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save[i++] = *addr;
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*addr = ~cnt;
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}
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/* write 0 to base address */
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addr = base;
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save[i] = *addr;
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*addr = 0;
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/* check at base address */
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if ((val = *addr) != 0) {
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*addr = save[i];
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return (0);
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}
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for (cnt = 1; cnt <= maxsize/sizeof(long); cnt <<= 1) {
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addr = base + cnt; /* pointer arith! */
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val = *addr;
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*addr = save[--i];
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if (val != (~cnt)) {
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return (cnt * sizeof(long));
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}
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}
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return (maxsize);
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}
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#endif
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int misc_init_r (void)
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{
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DECLARE_GLOBAL_DATA_PTR;
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#ifdef CONFIG_KUP4K_LOGO
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bd_t *bd = gd->bd;
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lcd_logo(bd);
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#endif /* CONFIG_KUP4K_LOGO */
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return(0);
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}
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#ifdef CONFIG_KUP4K_LOGO
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void lcd_logo(bd_t *bd){
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FB_INFO_S1D13xxx fb_info;
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S1D_INDEX s1dReg;
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S1D_VALUE s1dValue;
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volatile immap_t *immr = (immap_t *)CFG_IMMR;
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volatile memctl8xx_t *memctl;
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ushort i;
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uchar *fb;
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int rs, gs, bs;
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int r = 8, g = 8, b = 4;
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int r1,g1,b1;
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/*----------------------------------------------------------------------------- */
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/**/
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/* Initialize the chip and the frame buffer driver. */
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/**/
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/*----------------------------------------------------------------------------- */
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memctl = &immr->im_memctl;
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/* memctl->memc_or5 = 0xFFC007F0; / * 4 MB 17 WS or externel TA */
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/* memctl->memc_br5 = 0x80000801; / * Start at 0x80000000 */
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memctl->memc_or5 = 0xFFC00708; /* 4 MB 17 WS or externel TA */
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memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */
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fb_info.VmemAddr = (unsigned char*)(S1D_PHYSICAL_VMEM_ADDR);
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fb_info.RegAddr = (unsigned char*)(S1D_PHYSICAL_REG_ADDR);
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if ((((S1D_VALUE*)fb_info.RegAddr)[0] != 0x28) || (((S1D_VALUE*)fb_info.RegAddr)[1] != 0x14))
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{
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printf("Warning:LCD Controller S1D13706 not found\n");
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return;
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}
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/* init controller */
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for (i = 0; i < sizeof(aS1DRegs)/sizeof(aS1DRegs[0]); i++)
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{
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s1dReg = aS1DRegs[i].Index;
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s1dValue = aS1DRegs[i].Value;
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/* printf("sid1 Index: %02x Register: %02x Wert: %02x\n",i, aS1DRegs[i].Index, aS1DRegs[i].Value); */
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((S1D_VALUE*)fb_info.RegAddr)[s1dReg/sizeof(S1D_VALUE)] = s1dValue;
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}
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#undef MONOCHROME
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#ifdef MONOCHROME
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switch(bd->bi_busfreq){
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#if 0
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case 24000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x28;
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break;
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case 32000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x33;
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break;
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#endif
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case 40000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x40;
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break;
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case 48000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x4C;
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break;
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default:
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printf("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n",bd->bi_busfreq);
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case 64000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x69;
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break;
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}
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((S1D_VALUE*)fb_info.RegAddr)[0x10] = 0x00;
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#else
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switch(bd->bi_busfreq){
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#if 0
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case 24000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x22;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x34;
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break;
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case 32000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x34;
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break;
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#endif
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case 40000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x41;
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break;
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case 48000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x22;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x34;
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break;
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default:
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printf("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n",bd->bi_busfreq);
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case 64000000:
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((S1D_VALUE*)fb_info.RegAddr)[0x05] = 0x32;
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((S1D_VALUE*)fb_info.RegAddr)[0x12] = 0x66;
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break;
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}
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#endif
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/* create and set colormap */
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rs = 256 / (r - 1);
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gs = 256 / (g - 1);
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bs = 256 / (b - 1);
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for(i=0;i<256;i++){
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r1=(rs * ((i / (g * b)) % r)) * 255;
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g1=(gs * ((i / b) % g)) * 255;
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b1=(bs * ((i) % b)) * 255;
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/* printf("%d %04x %04x %04x\n",i,r1>>4,g1>>4,b1>>4); */
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S1D_WRITE_PALETTE(fb_info.RegAddr,i,(r1>>4),(g1>>4),(b1>>4));
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}
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/* copy bitmap */
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fb = (char *) (fb_info.VmemAddr);
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memcpy (fb, (uchar *)CONFIG_KUP4K_LOGO, 320 * 240);
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}
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#endif /* CONFIG_KUP4K_LOGO */
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