X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;ds=sidebyside;f=board%2Fkup%2Fkup4k%2Fkup4k.c;h=71c6a79ae14a6bfe95d4150e3c79873f0d587114;hb=2c84c9a40ac19c44c0c9f865fcf6f459c426659e;hp=66d618072d69a9e170e46d4d9fa240390bef10cc;hpb=794a5924972fc8073616e98a2668da4a5f9aea90;p=oweals%2Fu-boot.git diff --git a/board/kup/kup4k/kup4k.c b/board/kup/kup4k/kup4k.c index 66d618072d..71c6a79ae1 100644 --- a/board/kup/kup4k/kup4k.c +++ b/board/kup/kup4k/kup4k.c @@ -3,55 +3,24 @@ * 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 + * SPDX-License-Identifier: GPL-2.0+ */ #include +#include +#include #include +#include +#include #include "../common/kup.h" -#ifdef CONFIG_KUP4K_LOGO - #include "s1d13706.h" -#endif - -DECLARE_GLOBAL_DATA_PTR; - -#undef DEBUG -#ifdef DEBUG -# define debugk(fmt,args...) printf(fmt ,##args) -#else -# define debugk(fmt,args...) -#endif +#include -typedef struct { - volatile unsigned char *VmemAddr; - volatile unsigned char *RegAddr; -} FB_INFO_S1D13xxx; - - -/* ------------------------------------------------------------------------- */ - -#ifdef CONFIG_KUP4K_LOGO -void lcd_logo(bd_t *bd); -#endif +static unsigned char swapbyte(unsigned char c); +static int read_diag(void); +DECLARE_GLOBAL_DATA_PTR; -/* ------------------------------------------------------------------------- */ +/* ----------------------------------------------------------------------- */ #define _NOT_USED_ 0xFFFFFFFF @@ -60,7 +29,7 @@ const uint sdram_table[] = { * Single Read. (Offset 0 in UPMA RAM) */ 0x1F07FC04, 0xEEAEFC04, 0x11ADFC04, 0xEFBBBC00, - 0x1FF77C47, /* last */ + 0x1FF77C47, /* last */ /* * SDRAM Initialization (offset 5 in UPMA RAM) @@ -70,28 +39,28 @@ const uint sdram_table[] = { * sequence, which is executed by a RUN command. * */ - 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ + 0x1FF77C35, 0xEFEABC34, 0x1FB57C35, /* last */ /* * Burst Read. (Offset 8 in UPMA RAM) */ 0x1F07FC04, 0xEEAEFC04, 0x10ADFC04, 0xF0AFFC00, - 0xF0AFFC00, 0xF1AFFC00, 0xEFBBBC00, 0x1FF77C47, /* last */ + 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 */ + 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_, + 0xF0AFFC00, 0xE1BBBC04, 0x1FF77C47, /* last */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, @@ -99,305 +68,222 @@ const uint sdram_table[] = { * Refresh (Offset 30 in UPMA RAM) */ 0x1FF5FC84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, - 0xFFFFFC84, 0xFFFFFC07, /* last */ - _NOT_USED_, _NOT_USED_, + 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_, + 0x7FFFFC07, /* last */ + _NOT_USED_, _NOT_USED_, _NOT_USED_, }; -/* ------------------------------------------------------------------------- */ - +/* ----------------------------------------------------------------------- */ /* * Check Board Identity: */ -int checkboard (void) +int checkboard(void) { - volatile immap_t *immap = (immap_t *) CFG_IMMR; - uchar *latch,rev,mod; + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + uchar rev,mod,tmp,pcf,ak_rev,ak_mod; /* * Init ChipSelect #4 (CAN + HW-Latch) */ - immap->im_memctl.memc_or4 = 0xFFFF8926; - immap->im_memctl.memc_br4 = 0x90000401; - __asm__ ("eieio"); - latch=(uchar *)0x90000200; - rev = (*latch & 0xF8) >> 3; - mod=(*latch & 0x03); - printf ("Board: KUP4K Rev %d.%d\n",rev,mod); - return (0); -} + out_be32(&immap->im_memctl.memc_or4, CONFIG_SYS_OR4); + out_be32(&immap->im_memctl.memc_br4, CONFIG_SYS_BR4); -/* ------------------------------------------------------------------------- */ + /* + * Init ChipSelect #5 (S1D13768) + */ + out_be32(&immap->im_memctl.memc_or5, CONFIG_SYS_OR5); + out_be32(&immap->im_memctl.memc_br5, CONFIG_SYS_BR5); -phys_size_t 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; + tmp = swapbyte(in_8((unsigned char*) LATCH_ADDR)); + rev = (tmp & 0xF8) >> 3; + mod = (tmp & 0x07); + + i2c_init(CONFIG_SYS_I2C_SPEED, CONFIG_SYS_I2C_SLAVE); - upmconfig (UPMA, (uint *) sdram_table, - sizeof (sdram_table) / sizeof (uint)); + if (read_diag()) + gd->flags &= ~GD_FLG_SILENT; + printf("Board: KUP4K Rev %d.%d AK:",rev,mod); /* - * 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. + * TI Application report: Before using the IO as an input, + * a high must be written to the IO first */ - memctl->memc_mptpr = CFG_MPTPR; + pcf = 0xFF; + i2c_write(0x21, 0, 0 , &pcf, 1); + if (i2c_read(0x21, 0, 0, &pcf, 1)) { + puts("n/a\n"); + } else { + ak_rev = (pcf & 0xF8) >> 3; + ak_mod = (pcf & 0x07); + printf("%d.%d\n", ak_rev, ak_mod); + } + return 0; +} + +/* ----------------------------------------------------------------------- */ - memctl->memc_mar = 0x00000088; + +phys_size_t initdram(int board_type) +{ + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; + volatile memctl8xx_t *memctl = &immap->im_memctl; + long int size = 0; + uchar *latch, rev, tmp; /* - * 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. + * Init ChipSelect #4 (CAN + HW-Latch) to determine Hardware Revision + * Rev 1..6 -> 48 MB RAM; Rev >= 7 -> 96 MB */ -/* memctl->memc_or1 = CFG_OR1_PRELIM; */ -/* memctl->memc_br1 = CFG_BR1_PRELIM; */ - -/* memctl->memc_or2 = CFG_OR2_PRELIM; */ -/* memctl->memc_br2 = CFG_BR2_PRELIM; */ + out_be32(&immap->im_memctl.memc_or4, CONFIG_SYS_OR4); + out_be32(&immap->im_memctl.memc_br4, CONFIG_SYS_BR4); + latch = (uchar *)0x90000200; + tmp = swapbyte(*latch); + rev = (tmp & 0xF8) >> 3; - memctl->memc_mamr = CFG_MAMR & (~(MAMR_PTAE)); /* no refresh yet */ + upmconfig(UPMA, (uint *) sdram_table, + sizeof (sdram_table) / sizeof (uint)); - udelay (200); + out_be16(&memctl->memc_mptpr, CONFIG_SYS_MPTPR); - /* perform SDRAM initializsation sequence */ + out_be32(&memctl->memc_mar, 0x00000088); + /* no refresh yet */ + if(rev >= 7) { + out_be32(&memctl->memc_mamr, + CONFIG_SYS_MAMR_9COL & (~(MAMR_PTAE))); + } else { + out_be32(&memctl->memc_mamr, + CONFIG_SYS_MAMR_8COL & (~(MAMR_PTAE))); + } - 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(200); - udelay (10000); + /* perform SDRAM initializsation sequence */ - return (size_b0 + size_b1 + size_b2); + /* SDRAM bank 0 */ + out_be32(&memctl->memc_mcr, 0x80002105); + udelay(1); + out_be32(&memctl->memc_mcr, 0x80002830); /* execute twice */ + udelay(1); + out_be32(&memctl->memc_mcr, 0x80002106); /* RUN MRS Pattern from loc 6 */ + udelay(1); + + /* SDRAM bank 1 */ + out_be32(&memctl->memc_mcr, 0x80004105); + udelay(1); + out_be32(&memctl->memc_mcr, 0x80004830); /* execute twice */ + udelay(1); + out_be32(&memctl->memc_mcr, 0x80004106); /* RUN MRS Pattern from loc 6 */ + udelay(1); + + /* SDRAM bank 2 */ + out_be32(&memctl->memc_mcr, 0x80006105); + udelay(1); + out_be32(&memctl->memc_mcr, 0x80006830); /* execute twice */ + udelay(1); + out_be32(&memctl->memc_mcr, 0x80006106); /* RUN MRS Pattern from loc 6 */ + udelay(1); + + setbits_be32(&memctl->memc_mamr, MAMR_PTAE); /* enable refresh */ + udelay(1000); + + out_be16(&memctl->memc_mptpr, CONFIG_SYS_MPTPR); + udelay(1000); + if(rev >= 7) { + size = 32 * 3 * 1024 * 1024; + out_be32(&memctl->memc_or1, CONFIG_SYS_OR1_9COL); + out_be32(&memctl->memc_br1, CONFIG_SYS_BR1_9COL); + out_be32(&memctl->memc_or2, CONFIG_SYS_OR2_9COL); + out_be32(&memctl->memc_br2, CONFIG_SYS_BR2_9COL); + out_be32(&memctl->memc_or3, CONFIG_SYS_OR3_9COL); + out_be32(&memctl->memc_br3, CONFIG_SYS_BR3_9COL); + } else { + size = 16 * 3 * 1024 * 1024; + out_be32(&memctl->memc_or1, CONFIG_SYS_OR1_8COL); + out_be32(&memctl->memc_br1, CONFIG_SYS_BR1_8COL); + out_be32(&memctl->memc_or2, CONFIG_SYS_OR2_8COL); + out_be32(&memctl->memc_br2, CONFIG_SYS_BR2_8COL); + out_be32(&memctl->memc_or3, CONFIG_SYS_OR3_8COL); + out_be32(&memctl->memc_br3, CONFIG_SYS_BR3_8COL); + } + return (size); } -/* ------------------------------------------------------------------------- */ +/* ----------------------------------------------------------------------- */ -int misc_init_r (void) + +int misc_init_r(void) { -#ifdef CONFIG_STATUS_LED - volatile immap_t *immap = (immap_t *) CFG_IMMR; -#endif -#ifdef CONFIG_KUP4K_LOGO - bd_t *bd = gd->bd; + volatile immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - 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 */ + setbits_be16(&immap->im_ioport.iop_padir, PA_8); + setbits_be16(&immap->im_ioport.iop_paodr, PA_8); + clrbits_be16(&immap->im_ioport.iop_papar, PA_8); + setbits_be16(&immap->im_ioport.iop_padat, PA_8); /* turn it off */ #endif + load_sernum_ethaddr(); setenv("hw","4k"); poweron_key(); return (0); } -#ifdef CONFIG_KUP4K_LOGO - -void lcd_logo (bd_t * bd) +static int read_diag(void) { - 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; - int n; - char tmp[64]; /* long enough for environment variables */ - int tft = 0; - - 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; - - - /* - * Init ChipSelect #5 (S1D13768) - */ - memctl->memc_or5 = 0xFFC007F0; /* 4 MB 17 WS or externel TA */ - memctl->memc_br5 = 0x80080801; /* Start at 0x80080000 */ - __asm__ ("eieio"); - - 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"); - setenv ("lcd", "none"); - return; - } - - - for (i = 0; i < sizeof(aS1DRegs_prelimn) / sizeof(aS1DRegs_prelimn[0]); i++) { - s1dReg = aS1DRegs_prelimn[i].Index; - s1dValue = aS1DRegs_prelimn[i].Value; - debugk ("s13768 reg: %02x value: %02x\n", - aS1DRegs_prelimn[i].Index, aS1DRegs_prelimn[i].Value); - ((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] = - s1dValue; - } - - - n = getenv_r ("lcd", tmp, sizeof (tmp)); - if (n > 0) { - if (!strcmp ("tft", tmp)) - tft = 1; + int diag; + immap_t *immr = (immap_t *)CONFIG_SYS_IMMR; + + clrbits_be16(&immr->im_ioport.iop_pcdir, PC_4); /* input */ + clrbits_be16(&immr->im_ioport.iop_pcpar, PC_4); /* gpio */ + setbits_be16(&immr->im_ioport.iop_pcdir, PC_5); /* output */ + clrbits_be16(&immr->im_ioport.iop_pcpar, PC_4); /* gpio */ + setbits_be16(&immr->im_ioport.iop_pcdat, PC_5); /* 1 */ + udelay(500); + if (in_be16(&immr->im_ioport.iop_pcdat) & PC_4) { + clrbits_be16(&immr->im_ioport.iop_pcdat, PC_5);/* 0 */ + udelay(500); + if(in_be16(&immr->im_ioport.iop_pcdat) & PC_4) + diag = 0; else - tft = 0; - } -#if 0 - if (((S1D_VALUE *) fb_info.RegAddr)[0xAC] & 0x04) - tft = 0; - else - tft = 1; -#endif - - debugk ("Port=0x%02x -> TFT=%d\n", tft, - ((S1D_VALUE *) fb_info.RegAddr)[0xAC]); - - /* init controller */ - if (!tft) { - for (i = 0; i < sizeof(aS1DRegs_stn) / sizeof(aS1DRegs_stn[0]); i++) { - s1dReg = aS1DRegs_stn[i].Index; - s1dValue = aS1DRegs_stn[i].Value; - debugk ("s13768 reg: %02x value: %02x\n", - aS1DRegs_stn[i].Index, - aS1DRegs_stn[i].Value); - ((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof(S1D_VALUE)] = - s1dValue; - } - n = getenv_r ("contrast", tmp, sizeof (tmp)); - ((S1D_VALUE *) fb_info.RegAddr)[0xB3] = - (n > 0) ? (uchar) simple_strtoul (tmp, NULL, 10) * 255 / 100 : 0xA0; - switch (bd->bi_busfreq) { - 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; - } - /* setenv("lcd","stn"); */ + diag = 1; } else { - for (i = 0; i < sizeof(aS1DRegs_tft) / sizeof(aS1DRegs_tft[0]); i++) { - s1dReg = aS1DRegs_tft[i].Index; - s1dValue = aS1DRegs_tft[i].Value; - debugk ("s13768 reg: %02x value: %02x\n", - aS1DRegs_tft[i].Index, - aS1DRegs_tft[i].Value); - ((S1D_VALUE *) fb_info.RegAddr)[s1dReg / sizeof (S1D_VALUE)] = - s1dValue; - } - - switch (bd->bi_busfreq) { - default: - printf ("KUP4K S1D1: unknown busfrequency: %ld assuming 64 MHz\n", bd->bi_busfreq); - case 40000000: - ((S1D_VALUE *) fb_info.RegAddr)[0x05] = 0x42; - ((S1D_VALUE *) fb_info.RegAddr)[0x12] = 0x30; - break; - } - /* setenv("lcd","tft"); */ + diag = 0; } + clrbits_be16(&immr->im_ioport.iop_pcdir, PC_5); /* input */ + return (diag); +} - /* 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; - debugk ("%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)); +static unsigned char swapbyte(unsigned char c) +{ + unsigned char result = 0; + int i = 0; + + for(i = 0; i < 8; ++i) { + result = result << 1; + result |= (c & 1); + c = c >> 1; } + return result; +} + +/* + * Device Tree Support + */ +#if defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) +int ft_board_setup(void *blob, bd_t *bd) +{ + ft_cpu_setup(blob, bd); - /* copy bitmap */ - fb = (uchar *) (fb_info.VmemAddr); - memcpy (fb, (uchar *) CONFIG_KUP4K_LOGO, 320 * 240); + return 0; } -#endif /* CONFIG_KUP4K_LOGO */ +#endif /* defined(CONFIG_OF_BOARD_SETUP) && defined(CONFIG_OF_LIBFDT) */