diff options
Diffstat (limited to 'board/tqm8xx/tqm8xx.c')
| -rw-r--r-- | board/tqm8xx/tqm8xx.c | 554 |
1 files changed, 0 insertions, 554 deletions
diff --git a/board/tqm8xx/tqm8xx.c b/board/tqm8xx/tqm8xx.c deleted file mode 100644 index 18bf2a8..0000000 --- a/board/tqm8xx/tqm8xx.c +++ /dev/null @@ -1,554 +0,0 @@ -/* - * (C) Copyright 2000-2006 - * Wolfgang Denk, DENX Software Engineering, wd@denx.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 - */ - -#if 0 -#define DEBUG -#endif - -#include <common.h> -#include <mpc8xx.h> -#ifdef CONFIG_PS2MULT -#include <ps2mult.h> -#endif - -DECLARE_GLOBAL_DATA_PTR; - -static long int dram_size (long int, long int *, long int); - -#define _NOT_USED_ 0xFFFFFFFF - -/* UPM initialization table for SDRAM: 40, 50, 66 MHz CLKOUT @ CAS latency 2, tWR=2 */ -const uint sdram_table[] = -{ - /* - * Single Read. (Offset 0 in UPMA RAM) - */ - 0x1F0DFC04, 0xEEAFBC04, 0x11AF7C04, 0xEFBAFC00, - 0x1FF5FC47, /* 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. - * - */ - 0x1FF5FC34, 0xEFEABC34, 0x1FB57C35, /* last */ - /* - * Burst Read. (Offset 8 in UPMA RAM) - */ - 0x1F0DFC04, 0xEEAFBC04, 0x10AF7C04, 0xF0AFFC00, - 0xF0AFFC00, 0xF1AFFC00, 0xEFBAFC00, 0x1FF5FC47, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Single Write. (Offset 18 in UPMA RAM) - */ - 0x1F0DFC04, 0xEEABBC00, 0x11B77C04, 0xEFFAFC44, - 0x1FF5FC47, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Burst Write. (Offset 20 in UPMA RAM) - */ - 0x1F0DFC04, 0xEEABBC00, 0x10A77C00, 0xF0AFFC00, - 0xF0AFFC00, 0xF0AFFC04, 0xE1BAFC44, 0x1FF5FC47, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Refresh (Offset 30 in UPMA RAM) - */ - 0x1FFD7C84, 0xFFFFFC04, 0xFFFFFC04, 0xFFFFFC04, - 0xFFFFFC84, 0xFFFFFC07, /* last */ - _NOT_USED_, _NOT_USED_, - _NOT_USED_, _NOT_USED_, _NOT_USED_, _NOT_USED_, - /* - * Exception. (Offset 3c in UPMA RAM) - */ - 0xFFFFFC07, /* last */ - _NOT_USED_, _NOT_USED_, _NOT_USED_, -}; - -/* ------------------------------------------------------------------------- */ - - -/* - * Check Board Identity: - * - * Test TQ ID string (TQM8xx...) - * If present, check for "L" type (no second DRAM bank), - * otherwise "L" type is assumed as default. - * - * Set board_type to 'L' for "L" type, 'M' for "M" type, 0 else. - */ - -int checkboard (void) -{ - char *s = getenv ("serial#"); - - puts ("Board: "); - - if (!s || strncmp (s, "TQM8", 4)) { - puts ("### No HW ID - assuming TQM8xxL\n"); - return (0); - } - - if ((*(s + 6) == 'L')) { /* a TQM8xxL type */ - gd->board_type = 'L'; - } - - if ((*(s + 6) == 'M')) { /* a TQM8xxM type */ - gd->board_type = 'M'; - } - - if ((*(s + 6) == 'D')) { /* a TQM885D type */ - gd->board_type = 'D'; - } - - for (; *s; ++s) { - if (*s == ' ') - break; - putc (*s); - } -#ifdef CONFIG_VIRTLAB2 - puts (" (Virtlab2)"); -#endif - putc ('\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 size8, size9, size10; - long int size_b0 = 0; - long int size_b1 = 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_2BK_8K; - - /* - * The following value is used as an address (i.e. opcode) for - * the LOAD MODE REGISTER COMMAND during SDRAM initialisation. If - * the port size is 32bit the SDRAM does NOT "see" the lower two - * address lines, i.e. mar=0x00000088 -> opcode=0x00000022 for - * MICRON SDRAMs: - * -> 0 00 010 0 010 - * | | | | +- Burst Length = 4 - * | | | +----- Burst Type = Sequential - * | | +------- CAS Latency = 2 - * | +----------- Operating Mode = Standard - * +-------------- Write Burst Mode = Programmed Burst Length - */ - memctl->memc_mar = 0x00000088; - - /* - * Map controller banks 2 and 3 to the SDRAM banks 2 and 3 at - * preliminary addresses - these have to be modified after the - * SDRAM size has been determined. - */ - memctl->memc_or2 = CFG_OR2_PRELIM; - memctl->memc_br2 = CFG_BR2_PRELIM; - -#ifndef CONFIG_CAN_DRIVER - if ((board_type != 'L') && - (board_type != 'M') && - (board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */ - memctl->memc_or3 = CFG_OR3_PRELIM; - memctl->memc_br3 = CFG_BR3_PRELIM; - } -#endif /* CONFIG_CAN_DRIVER */ - - memctl->memc_mamr = CFG_MAMR_8COL & (~(MAMR_PTAE)); /* no refresh yet */ - - udelay (200); - - /* perform SDRAM initializsation sequence */ - - memctl->memc_mcr = 0x80004105; /* SDRAM bank 0 */ - udelay (1); - memctl->memc_mcr = 0x80004230; /* SDRAM bank 0 - execute twice */ - udelay (1); - -#ifndef CONFIG_CAN_DRIVER - if ((board_type != 'L') && - (board_type != 'M') && - (board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */ - memctl->memc_mcr = 0x80006105; /* SDRAM bank 1 */ - udelay (1); - memctl->memc_mcr = 0x80006230; /* SDRAM bank 1 - execute twice */ - udelay (1); - } -#endif /* CONFIG_CAN_DRIVER */ - - memctl->memc_mamr |= MAMR_PTAE; /* enable refresh */ - - udelay (1000); - - /* - * Check Bank 0 Memory Size for re-configuration - * - * try 8 column mode - */ - size8 = dram_size (CFG_MAMR_8COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); - debug ("SDRAM Bank 0 in 8 column mode: %ld MB\n", size8 >> 20); - - udelay (1000); - - /* - * try 9 column mode - */ - size9 = dram_size (CFG_MAMR_9COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); - debug ("SDRAM Bank 0 in 9 column mode: %ld MB\n", size9 >> 20); - - udelay(1000); - -#if defined(CFG_MAMR_10COL) - /* - * try 10 column mode - */ - size10 = dram_size (CFG_MAMR_10COL, SDRAM_BASE2_PRELIM, SDRAM_MAX_SIZE); - debug ("SDRAM Bank 0 in 10 column mode: %ld MB\n", size10 >> 20); -#else - size10 = 0; -#endif /* CFG_MAMR_10COL */ - - if ((size8 < size10) && (size9 < size10)) { - size_b0 = size10; - } else if ((size8 < size9) && (size10 < size9)) { - size_b0 = size9; - memctl->memc_mamr = CFG_MAMR_9COL; - udelay (500); - } else { - size_b0 = size8; - memctl->memc_mamr = CFG_MAMR_8COL; - udelay (500); - } - debug ("SDRAM Bank 0: %ld MB\n", size_b0 >> 20); - -#ifndef CONFIG_CAN_DRIVER - if ((board_type != 'L') && - (board_type != 'M') && - (board_type != 'D') ) { /* only one SDRAM bank on L, M and D modules */ - /* - * Check Bank 1 Memory Size - * use current column settings - * [9 column SDRAM may also be used in 8 column mode, - * but then only half the real size will be used.] - */ - size_b1 = dram_size (memctl->memc_mamr, (long int *)SDRAM_BASE3_PRELIM, - SDRAM_MAX_SIZE); - debug ("SDRAM Bank 1: %ld MB\n", size_b1 >> 20); - } else { - size_b1 = 0; - } -#endif /* CONFIG_CAN_DRIVER */ - - udelay (1000); - - /* - * Adjust refresh rate depending on SDRAM type, both banks - * For types > 128 MBit leave it at the current (fast) rate - */ - if ((size_b0 < 0x02000000) && (size_b1 < 0x02000000)) { - /* reduce to 15.6 us (62.4 us / quad) */ - memctl->memc_mptpr = CFG_MPTPR_2BK_4K; - udelay (1000); - } - - /* - * Final mapping: map bigger bank first - */ - if (size_b1 > size_b0) { /* SDRAM Bank 1 is bigger - map first */ - - memctl->memc_or3 = ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; - memctl->memc_br3 = (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; - - if (size_b0 > 0) { - /* - * Position Bank 0 immediately above Bank 1 - */ - memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; - memctl->memc_br2 = ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) - + size_b1; - } else { - unsigned long reg; - - /* - * No bank 0 - * - * invalidate bank - */ - memctl->memc_br2 = 0; - - /* adjust refresh rate depending on SDRAM type, one bank */ - reg = memctl->memc_mptpr; - reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */ - memctl->memc_mptpr = reg; - } - - } else { /* SDRAM Bank 0 is bigger - map first */ - - memctl->memc_or2 = ((-size_b0) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; - memctl->memc_br2 = - (CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V; - - if (size_b1 > 0) { - /* - * Position Bank 1 immediately above Bank 0 - */ - memctl->memc_or3 = - ((-size_b1) & 0xFFFF0000) | CFG_OR_TIMING_SDRAM; - memctl->memc_br3 = - ((CFG_SDRAM_BASE & BR_BA_MSK) | BR_MS_UPMA | BR_V) - + size_b0; - } else { - unsigned long reg; - -#ifndef CONFIG_CAN_DRIVER - /* - * No bank 1 - * - * invalidate bank - */ - memctl->memc_br3 = 0; -#endif /* CONFIG_CAN_DRIVER */ - - /* adjust refresh rate depending on SDRAM type, one bank */ - reg = memctl->memc_mptpr; - reg >>= 1; /* reduce to CFG_MPTPR_1BK_8K / _4K */ - memctl->memc_mptpr = reg; - } - } - - udelay (10000); - -#ifdef CONFIG_CAN_DRIVER - /* UPM initialization for CAN @ CLKOUT <= 66 MHz */ - - /* Initialize OR3 / BR3 */ - memctl->memc_or3 = CFG_OR3_CAN; - memctl->memc_br3 = CFG_BR3_CAN; - - /* Initialize MBMR */ - memctl->memc_mbmr = MBMR_GPL_B4DIS; /* GPL_B4 ouput line Disable */ - - /* Initialize UPMB for CAN: single read */ - memctl->memc_mdr = 0xFFFFCC04; - memctl->memc_mcr = 0x0100 | UPMB; - - memctl->memc_mdr = 0x0FFFD004; - memctl->memc_mcr = 0x0101 | UPMB; - - memctl->memc_mdr = 0x0FFFC000; - memctl->memc_mcr = 0x0102 | UPMB; - - memctl->memc_mdr = 0x3FFFC004; - memctl->memc_mcr = 0x0103 | UPMB; - - memctl->memc_mdr = 0xFFFFDC07; - memctl->memc_mcr = 0x0104 | UPMB; - - /* Initialize UPMB for CAN: single write */ - memctl->memc_mdr = 0xFFFCCC04; - memctl->memc_mcr = 0x0118 | UPMB; - - memctl->memc_mdr = 0xCFFCDC04; - memctl->memc_mcr = 0x0119 | UPMB; - - memctl->memc_mdr = 0x3FFCC000; - memctl->memc_mcr = 0x011A | UPMB; - - memctl->memc_mdr = 0xFFFCC004; - memctl->memc_mcr = 0x011B | UPMB; - - memctl->memc_mdr = 0xFFFDC405; - memctl->memc_mcr = 0x011C | UPMB; -#endif /* CONFIG_CAN_DRIVER */ - -#ifdef CONFIG_ISP1362_USB - /* Initialize OR5 / BR5 */ - memctl->memc_or5 = CFG_OR5_ISP1362; - memctl->memc_br5 = CFG_BR5_ISP1362; -#endif /* CONFIG_ISP1362_USB */ - - - return (size_b0 + size_b1); -} - -/* ------------------------------------------------------------------------- */ - -/* - * 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 - */ - -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)); -} - -/* ------------------------------------------------------------------------- */ - -#ifdef CONFIG_PS2MULT - -#ifdef CONFIG_HMI10 -#define BASE_BAUD ( 1843200 / 16 ) -struct serial_state rs_table[] = { - { BASE_BAUD, 4, (void*)0xec140000 }, - { BASE_BAUD, 2, (void*)0xec150000 }, - { BASE_BAUD, 6, (void*)0xec160000 }, - { BASE_BAUD, 10, (void*)0xec170000 }, -}; - -#ifdef CONFIG_BOARD_EARLY_INIT_R -int board_early_init_r (void) -{ - ps2mult_early_init(); - return (0); -} -#endif -#endif /* CONFIG_HMI10 */ - -#endif /* CONFIG_PS2MULT */ - -/* ---------------------------------------------------------------------------- */ -/* HMI10 specific stuff */ -/* ---------------------------------------------------------------------------- */ -#ifdef CONFIG_HMI10 - -int misc_init_r (void) -{ -# ifdef CONFIG_IDE_LED - volatile immap_t *immap = (immap_t *) CFG_IMMR; - - /* Configure PA15 as output port */ - immap->im_ioport.iop_padir |= 0x0001; - immap->im_ioport.iop_paodr |= 0x0001; - immap->im_ioport.iop_papar &= ~0x0001; - immap->im_ioport.iop_padat &= ~0x0001; /* turn it off */ -# endif - return (0); -} - -# 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 |= 0x0001; - } else { - immap->im_ioport.iop_padat &= ~0x0001; - } -} -# endif -#endif /* CONFIG_HMI10 */ - -/* ---------------------------------------------------------------------------- */ -/* NSCU specific stuff */ -/* ---------------------------------------------------------------------------- */ -#ifdef CONFIG_NSCU - -int misc_init_r (void) -{ - volatile immap_t *immr = (immap_t *) CFG_IMMR; - - /* wake up ethernet module */ - immr->im_ioport.iop_pcpar &= ~0x0004; /* GPIO pin */ - immr->im_ioport.iop_pcdir |= 0x0004; /* output */ - immr->im_ioport.iop_pcso &= ~0x0004; /* for clarity */ - immr->im_ioport.iop_pcdat |= 0x0004; /* enable */ - - return (0); -} -#endif /* CONFIG_NSCU */ - -/* ---------------------------------------------------------------------------- */ -/* TK885D specific initializaion */ -/* ---------------------------------------------------------------------------- */ -#ifdef CONFIG_TK885D -#include <miiphy.h> -int last_stage_init(void) -{ - const unsigned char phy[] = {CONFIG_FEC1_PHY, CONFIG_FEC2_PHY}; - unsigned short reg; - int ret, i = 100; - char *s; - - mii_init(); - /* Without this delay 0xff is read from the UART buffer later in - * abortboot() and autoboot is aborted */ - udelay(10000); - while (tstc() && i--) - (void)getc(); - - /* Check if auto-negotiation is prohibited */ - s = getenv("phy_auto_nego"); - - if (!s || !strcmp(s, "on")) - /* Nothing to do - autonegotiation by default */ - return 0; - - for (i = 0; i < 2; i++) { - ret = miiphy_read("FEC ETHERNET", phy[i], PHY_BMCR, ®); - if (ret) { - printf("Cannot read BMCR on PHY %d\n", phy[i]); - return 0; - } - /* Auto-negotiation off, hard set full duplex, 100Mbps */ - ret = miiphy_write("FEC ETHERNET", phy[i], - PHY_BMCR, (reg | PHY_BMCR_100MB | - PHY_BMCR_DPLX) & ~PHY_BMCR_AUTON); - if (ret) { - printf("Cannot write BMCR on PHY %d\n", phy[i]); - return 0; - } - } - - return 0; -} - -#endif - -/* ------------------------------------------------------------------------- */ |