/* * (C) Copyright 2000, 2001, 2002 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * Klaus Heydeck, Kieback & Peter GmbH & Co KG, heydeck@kieback-peter.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 #include #ifdef CONFIG_KUP4K_LOGO #include "s1d13706.h" #endif typedef struct { volatile unsigned char *VmemAddr; volatile unsigned char *RegAddr; }FB_INFO_S1D13xxx; /* ------------------------------------------------------------------------- */ #if 0 static long int dram_size (long int, long int *, long int); #endif #ifdef CONFIG_KUP4K_LOGO void lcd_logo(bd_t *bd); #endif /* ------------------------------------------------------------------------- */ #define _NOT_USED_ 0xFFFFFFFF const uint sdram_table[] = { /* * Single Read. (Offset 0 in UPMA RAM) */ 0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00, 0x1FF77C47, /* 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. * */ 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ /* * Burst Read. (Offset 8 in UPMA RAM) */ 0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00, 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, /* * Single Write. (Offset 18 in UPMA RAM) */ 0x1F27FC04, 0xEEAEBC00, 0x01B93C04, 0x1FF77C47, /* last */ _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, /* * Burst Write. (Offset 20 in UPMA RAM) */ 0x1F07FC04, 0xEEAEBC00, 0x10AD7C00, 0xF0AFFC00, 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* 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) */ 0x1FF5FC84, 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) { printf ("### No HW ID - assuming KUP4K-Color\n"); return (0); } /* ------------------------------------------------------------------------- */ long int initdram (int board_type) { volatile immap_t *immap = (immap_t *) CFG_IMMR; volatile memctl8xx_t *memctl = &immap->im_memctl; long int size_b0 = 0; long int size_b1 = 0; long int size_b2 = 0; 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; memctl->memc_mar = 0x00000088; /* * Map controller banks 1 and 2 to the SDRAM banks 2 and 3 at * preliminary addresses - these have to be modified after the * SDRAM size has been determined. */ /* memctl->memc_or1 = CFG_OR1_PRELIM; */ /* memctl->memc_br1 = CFG_BR1_PRELIM; */ /* memctl->memc_or2 = CFG_OR2_PRELIM; */ /* memctl->memc_br2 = CFG_BR2_PRELIM; */ memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */ udelay (200); /* perform SDRAM initializsation sequence */ memctl->memc_mcr = 0x80002105; /* SDRAM bank 0 */ udelay (1); memctl->memc_mcr = 0x80002830; /* SDRAM bank 0 - execute twice */ udelay (1); memctl->memc_mcr = 0x80002106; /* SDRAM bank 0 - RUN MRS Pattern from loc 6 */ udelay (1); memctl->memc_mcr = 0x80004105; /* SDRAM bank 1 */ udelay (1); memctl->memc_mcr = 0x80004830; /* SDRAM bank 1 - execute twice */ udelay (1); memctl->memc_mcr = 0x80004106; /* SDRAM bank 1 - RUN MRS Pattern from loc 6 */ udelay (1); memctl->memc_mcr = 0x80006105; /* SDRAM bank 2 */ udelay (1); memctl->memc_mcr = 0x80006830; /* SDRAM bank 2 - execute twice */ udelay (1); memctl->memc_mcr = 0x80006106; /* SDRAM bank 2 - RUN MRS Pattern from loc 6 */ udelay (1); memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ udelay (1000); #if 0 /* 3 x 8MB */ size_b0 = 0x00800000; size_b1 = 0x00800000; size_b2 = 0x00800000; memctl->memc_mptpr = CFG_MPTPR; udelay (1000); memctl->memc_or1 = 0xFF800A00; memctl->memc_br1 = 0x00000081; memctl->memc_or2 = 0xFF000A00; memctl->memc_br2 = 0x00800081; memctl->memc_or3 = 0xFE000A00; memctl->memc_br3 = 0x01000081; #else /* 3 x 16 MB */ size_b0 = 0x01000000; size_b1 = 0x01000000; size_b2 = 0x01000000; memctl->memc_mptpr = CFG_MPTPR; udelay (1000); memctl->memc_or1 = 0xFF000A00; memctl->memc_br1 = 0x00000081; memctl->memc_or2 = 0xFE000A00; memctl->memc_br2 = 0x01000081; memctl->memc_or3 = 0xFC000A00; memctl->memc_br3 = 0x02000081; #endif udelay (10000); return (size_b0 + size_b1 + size_b2); } /* ------------------------------------------------------------------------- */ /* * 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 */ #if 0 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; volatile long int *addr; ulong cnt, val; ulong save[32]; /* to make test non-destructive */ unsigned char i = 0; memctl->memc_mamr = mamr_value; for (cnt = maxsize / sizeof (long); cnt > 0; cnt >>= 1) { addr = base + cnt; /* pointer arith! */ save[i++] = *addr; *addr = ~cnt; } /* write 0 to base address */ addr = base; save[i] = *addr; *addr = 0; /* check at base address */ if ((val = *addr) != 0) { *addr = save[i]; return (0); } for (cnt = 1; cnt <= maxsize / sizeof (long); cnt <<= 1) { addr = base + cnt; /* pointer arith! */ val = *addr; *addr = save[--i]; if (val != (~cnt)) { return (cnt * sizeof (long)); } } return (maxsize); } #endif int misc_init_r (void) { DECLARE_GLOBAL_DATA_PTR; #ifdef CONFIG_STATUS_LED volatile immap_t *immap = (immap_t *) CFG_IMMR; #endif #ifdef CONFIG_KUP4K_LOGO bd_t *bd = gd->bd; lcd_logo (bd); #endif /* CONFIG_KUP4K_LOGO */ #ifdef CONFIG_IDE_LED /* Configure PA8 as output port */ immap->im_ioport.iop_padir |= 0x80; immap->im_ioport.iop_paodr |= 0x80; immap->im_ioport.iop_papar &= ~0x80; immap->im_ioport.iop_padat |= 0x80; /* turn it off */ #endif return (0); } #ifdef CONFIG_KUP4K_LOGO #define PB_LCD_PWM ((uint)0x00004000) /* PB 17 */ void lcd_logo (bd_t * bd) { FB_INFO_S1D13xxx fb_info; S1D_INDEX s1dReg; S1D_VALUE s1dValue; volatile immap_t *immr = (immap_t *) CFG_IMMR; volatile memctl8xx_t *memctl; ushort i; uchar *fb; int rs, gs, bs; int r = 8, g = 8, b = 4; int r1, g1, b1; immr->im_cpm.cp_pbpar &= ~PB_LCD_PWM; immr->im_cpm.cp_pbodr &= ~PB_LCD_PWM; immr->im_cpm.cp_pbdat &= ~PB_LCD_PWM; /* set to 0 = enabled */ immr->im_cpm.cp_pbdir |= PB_LCD_PWM; /*----------------------------------------------------------------------------- */ /**/ /* Initialize the chip and the frame buffer driver. */ /**/ /*----------------------------------------------------------------------------- */ memctl = &immr->im_memctl; /* memctl->memc_or5 = 0xFFC007F0; / * 4 MB 17 WS or externel TA */ /* memctl->memc_br5 = 0x80000801; / * Start at 0x80000000 */ memctl->memc_or5 = 0xFFC00708; /* 4 MB 17 WS or externel TA */ memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */ fb_info.VmemAddr = (unsigned char *) (S1D_PHYSICAL_VMEM_ADDR); fb_info.RegAddr = (unsigned char *) (S1D_PHYSICAL_REG_ADDR); if ((((S1D_VALUE *) fb_info.RegAddr)[0] != 0x28) || (((S1D_VALUE *) fb_info.RegAddr)[1] != 0x14)) { printf ("Warning:LCD Controller S1D13706 not found\n"); return; } /* init controller */ for (i = 0; i < sizeof (aS1DRegs) / sizeof (aS1DRegs[0]); i++) { s1dReg = aS1DRegs[i].Index; s1dValue = aS1DRegs[i].Value; /* printf("sid1 Index: %02x Register: %02x Wert: %02x\n",i, aS1DRegs[i].Index, aS1DRegs[i].Value); */ ((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] = s1dValue; } #undef MONOCHROME #ifdef MONOCHROME switch (bd->bi_busfreq) { #if 0 case 24000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x28; break; case 32000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x33; break; #endif case 40000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x40; break; case 48000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x4C; break; default: printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq); case 64000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x69; break; } ((S1D_VALUE *) fb_info.RegAddr)[0x10] = 0x00; #else switch (bd->bi_busfreq) { #if 0 case 24000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34; break; case 32000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34; break; #endif case 40000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x41; break; case 48000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x22; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x34; break; default: printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq); case 64000000: ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x32; ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x66; break; } #endif /* create and set colormap */ rs = 256 / (r - 1); gs = 256 / (g - 1); bs = 256 / (b - 1); for (i = 0; i < 256; i++) { r1 = (rs * ((i / (g * b)) % r)) * 255; g1 = (gs * ((i / b) % g)) * 255; b1 = (bs * ((i) % b)) * 255; /* printf("%d %04x %04x %04x\n",i,r1>>4,g1>>4,b1>>4); */ S1D_WRITE_PALETTE (fb_info.RegAddr, i, (r1 >> 4), (g1 >> 4), (b1 >> 4)); } /* copy bitmap */ fb = (char *) (fb_info.VmemAddr); memcpy (fb, (uchar *) CONFIG_KUP4K_LOGO, 320 * 240); } #endif /* CONFIG_KUP4K_LOGO */ #ifdef CONFIG_IDE_LED void ide_led (uchar led, uchar status) { volatile immap_t *immap = (immap_t *) CFG_IMMR; /* We have one led for both pcmcia slots */ if (status) { /* led on */ immap->im_ioport.iop_padat &= ~0x80; } else { immap->im_ioport.iop_padat |= 0x80; } } #endif