| /* |
| * (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 <common.h> |
| #include <mpc8xx.h> |
| #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; |
| |
| memctl->memc_mamr = mamr_value; |
| |
| return(get_ram_size(base, 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 |