diff options
Diffstat (limited to 'board/emk/top5200/top5200.c')
| -rw-r--r-- | board/emk/top5200/top5200.c | 192 |
1 files changed, 0 insertions, 192 deletions
diff --git a/board/emk/top5200/top5200.c b/board/emk/top5200/top5200.c deleted file mode 100644 index 8eaf7cbde3..0000000000 --- a/board/emk/top5200/top5200.c +++ /dev/null @@ -1,192 +0,0 @@ -/* - * (C) Copyright 2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * (C) Copyright 2003 - * Reinhard Meyer, EMK Elektronik GmbH, r.meyer@emk-elektronik.de - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc5xxx.h> -#include <pci.h> - -/***************************************************************************** - * initialize SDRAM/DDRAM controller. - * TBD: get data from I2C EEPROM - *****************************************************************************/ -phys_size_t initdram (int board_type) -{ - ulong dramsize = 0; -#ifndef CONFIG_SYS_RAMBOOT -#if 0 - ulong t; - ulong tap_del; -#endif - - #define MODE_EN 0x80000000 - #define SOFT_PRE 2 - #define SOFT_REF 4 - - /* configure SDRAM start/end */ - *(vu_long *)MPC5XXX_SDRAM_CS0CFG = (CONFIG_SYS_SDRAM_BASE & 0xFFF00000) | CONFIG_SYS_DRAM_RAM_SIZE; - *(vu_long *)MPC5XXX_SDRAM_CS1CFG = 0x80000000; /* disabled */ - - /* setup config registers */ - *(vu_long *)MPC5XXX_SDRAM_CONFIG1 = CONFIG_SYS_DRAM_CONFIG1; - *(vu_long *)MPC5XXX_SDRAM_CONFIG2 = CONFIG_SYS_DRAM_CONFIG2; - - /* unlock mode register */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = CONFIG_SYS_DRAM_CONTROL | MODE_EN; - /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = CONFIG_SYS_DRAM_CONTROL | MODE_EN | SOFT_PRE; -#ifdef CONFIG_SYS_DRAM_DDR - /* set extended mode register */ - *(vu_short *)MPC5XXX_SDRAM_MODE = CONFIG_SYS_DRAM_EMODE; -#endif - /* set mode register */ - *(vu_short *)MPC5XXX_SDRAM_MODE = CONFIG_SYS_DRAM_MODE | 0x0400; - /* precharge all banks */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = CONFIG_SYS_DRAM_CONTROL | MODE_EN | SOFT_PRE; - /* auto refresh */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = CONFIG_SYS_DRAM_CONTROL | MODE_EN | SOFT_REF; - /* set mode register */ - *(vu_short *)MPC5XXX_SDRAM_MODE = CONFIG_SYS_DRAM_MODE; - /* normal operation */ - *(vu_long *)MPC5XXX_SDRAM_CTRL = CONFIG_SYS_DRAM_CONTROL; - /* write default TAP delay */ - *(vu_long *)MPC5XXX_CDM_PORCFG = CONFIG_SYS_DRAM_TAP_DEL << 24; - -#if 0 - for (tap_del = 0; tap_del < 32; tap_del++) - { - *(vu_long *)MPC5XXX_CDM_PORCFG = tap_del << 24; - - printf ("\nTAP Delay:%x Filling DRAM...", *(vu_long *)MPC5XXX_CDM_PORCFG); - for (t = 0; t < 0x04000000; t+=4) - *(vu_long *) t = t; - printf ("Checking DRAM...\n"); - for (t = 0; t < 0x04000000; t+=4) - { - ulong rval = *(vu_long *) t; - if (rval != t) - { - printf ("mismatch at %x: ", t); - printf (" 1.read %x", rval); - printf (" 2.read %x", *(vu_long *) t); - printf (" 3.read %x", *(vu_long *) t); - break; - } - } - } -#endif -#endif /* CONFIG_SYS_RAMBOOT */ - - dramsize = ((1 << (*(vu_long *)MPC5XXX_SDRAM_CS0CFG - 0x13)) << 20); - - /* return total ram size */ - return dramsize; -} - -/***************************************************************************** - * print board identification - *****************************************************************************/ -int checkboard (void) -{ -#if defined (CONFIG_EVAL5200) - puts ("Board: EMK TOP5200 on EVAL5200\n"); -#else -#if defined (CONFIG_LITE5200) - puts ("Board: LITE5200\n"); -#else -#if defined (CONFIG_MINI5200) - puts ("Board: EMK TOP5200 on MINI5200\n"); -#else - puts ("Board: EMK TOP5200\n"); -#endif -#endif -#endif - return 0; -} - -/***************************************************************************** - * prepare for FLASH detection - *****************************************************************************/ -void flash_preinit(void) -{ - /* - * Now, when we are in RAM, enable flash write - * access for detection process. - * Note that CS_BOOT cannot be cleared when - * executing in flash. - */ - *(vu_long *)MPC5XXX_BOOTCS_CFG &= ~0x1; /* clear RO */ -} - -/***************************************************************************** - * finalize FLASH setup - *****************************************************************************/ -void flash_afterinit(uint bank, ulong start, ulong size) -{ - if (bank == 0) { /* adjust mapping */ - *(vu_long *)MPC5XXX_BOOTCS_START = - *(vu_long *)MPC5XXX_CS0_START = START_REG(start); - *(vu_long *)MPC5XXX_BOOTCS_STOP = - *(vu_long *)MPC5XXX_CS0_STOP = STOP_REG(start, size); - } -} - -/***************************************************************************** - * otherinits after RAM is there and we are relocated to RAM - * note: though this is an int function, nobody cares for the result! - *****************************************************************************/ -int misc_init_r (void) -{ -#if !defined (CONFIG_LITE5200) - /* read 'factory' part of EEPROM */ - extern void read_factory_r (void); - read_factory_r (); -#endif - return (0); -} - -/***************************************************************************** - * initialize the PCI system - *****************************************************************************/ -#ifdef CONFIG_PCI -static struct pci_controller hose; - -extern void pci_mpc5xxx_init(struct pci_controller *); - -void pci_init_board(void) -{ - pci_mpc5xxx_init(&hose); -} -#endif - -/***************************************************************************** - * provide the IDE Reset Function - *****************************************************************************/ -#if defined(CONFIG_CMD_IDE) && defined(CONFIG_IDE_RESET) - -void init_ide_reset (void) -{ - debug ("init_ide_reset\n"); - - /* Configure PSC1_4 as GPIO output for ATA reset */ - *(vu_long *) MPC5XXX_WU_GPIO_ENABLE |= GPIO_PSC1_4; - *(vu_long *) MPC5XXX_WU_GPIO_DIR |= GPIO_PSC1_4; -} - -void ide_set_reset (int idereset) -{ - debug ("ide_reset(%d)\n", idereset); - - if (idereset) { - *(vu_long *) MPC5XXX_WU_GPIO_DATA_O &= ~GPIO_PSC1_4; - } else { - *(vu_long *) MPC5XXX_WU_GPIO_DATA_O |= GPIO_PSC1_4; - } -} -#endif |