diff options
Diffstat (limited to 'board/tqm8540/tqm8540.c')
-rw-r--r-- | board/tqm8540/tqm8540.c | 284 |
1 files changed, 0 insertions, 284 deletions
diff --git a/board/tqm8540/tqm8540.c b/board/tqm8540/tqm8540.c deleted file mode 100644 index 970c6841fd..0000000000 --- a/board/tqm8540/tqm8540.c +++ /dev/null @@ -1,284 +0,0 @@ -/* - * Copyright 2005 DENX Software Engineering - * Copyright 2004 Freescale Semiconductor. - * (C) Copyright 2002,2003, Motorola Inc. - * Xianghua Xiao, (X.Xiao@motorola.com) - * - * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> - * - * 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 <pci.h> -#include <asm/processor.h> -#include <asm/immap_85xx.h> -#include <spd.h> - -#if defined(CONFIG_DDR_ECC) -extern void ddr_enable_ecc (unsigned int dram_size); -#endif - -extern long int spd_sdram (void); - -void local_bus_init (void); -long int fixed_sdram (void); - - -int board_early_init_f (void) -{ - return 0; -} - -int checkboard (void) -{ - puts ("Board: TQM8540\n"); - -#ifdef CONFIG_PCI - printf ("PCI1: 32 bit, %d MHz (compiled)\n", - CONFIG_SYS_CLK_FREQ / 1000000); -#else - printf ("PCI1: disabled\n"); -#endif - /* - * Initialize local bus. - */ - local_bus_init (); - - return 0; -} - - -long int initdram (int board_type) -{ - long dram_size = 0; - extern long spd_sdram (void); - volatile immap_t *immap = (immap_t *) CFG_IMMR; - -#if defined(CONFIG_DDR_DLL) - { - volatile ccsr_gur_t *gur= &immap->im_gur; - int i,x; - - x = 10; - - /* - * Work around to stabilize DDR DLL - */ - gur->ddrdllcr = 0x81000000; - asm("sync;isync;msync"); - udelay (200); - while (gur->ddrdllcr != 0x81000100) { - gur->devdisr = gur->devdisr | 0x00010000; - asm("sync;isync;msync"); - for (i=0; i<x; i++) - ; - gur->devdisr = gur->devdisr & 0xfff7ffff; - asm("sync;isync;msync"); - x++; - } - } -#endif - -#if defined(CONFIG_SPD_EEPROM) - dram_size = spd_sdram (); -#else - dram_size = fixed_sdram (); -#endif - -#if defined(CONFIG_DDR_ECC) - /* - * Initialize and enable DDR ECC. - */ - ddr_enable_ecc (dram_size); -#endif - - return dram_size; -} - - -/* - * Initialize Local Bus - */ - -void local_bus_init (void) -{ - volatile immap_t *immap = (immap_t *) CFG_IMMR; - volatile ccsr_gur_t *gur = &immap->im_gur; - volatile ccsr_lbc_t *lbc = &immap->im_lbc; - - uint clkdiv; - uint lbc_hz; - sys_info_t sysinfo; - - /* - * Errata LBC11. - * Fix Local Bus clock glitch when DLL is enabled. - * - * If localbus freq is < 66Mhz, DLL bypass mode must be used. - * If localbus freq is > 133Mhz, DLL can be safely enabled. - * Between 66 and 133, the DLL is enabled with an override workaround. - */ - - get_sys_info (&sysinfo); - clkdiv = lbc->lcrr & 0x0f; - lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv; - - if (lbc_hz < 66) { - lbc->lcrr = CFG_LBC_LCRR | 0x80000000; /* DLL Bypass */ - lbc->ltedr = 0xa4c80000; /* DK: !!! */ - - } else if (lbc_hz >= 133) { - lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */ - - } else { - /* - * On REV1 boards, need to change CLKDIV before enable DLL. - * Default CLKDIV is 8, change it to 4 temporarily. - */ - uint pvr = get_pvr (); - uint temp_lbcdll = 0; - - if (pvr == PVR_85xx_REV1) { - /* FIXME: Justify the high bit here. */ - lbc->lcrr = 0x10000004; - } - - lbc->lcrr = CFG_LBC_LCRR & (~0x80000000); /* DLL Enabled */ - udelay (200); - - /* - * Sample LBC DLL ctrl reg, upshift it to set the - * override bits. - */ - temp_lbcdll = gur->lbcdllcr; - gur->lbcdllcr = (((temp_lbcdll & 0xff) << 16) | 0x80000000); - asm ("sync;isync;msync"); - } -} - - -#if defined(CFG_DRAM_TEST) -int testdram (void) -{ - uint *pstart = (uint *) CFG_MEMTEST_START; - uint *pend = (uint *) CFG_MEMTEST_END; - uint *p; - - printf ("SDRAM test phase 1:\n"); - for (p = pstart; p < pend; p++) - *p = 0xaaaaaaaa; - - for (p = pstart; p < pend; p++) { - if (*p != 0xaaaaaaaa) { - printf ("SDRAM test fails at: %08x\n", (uint) p); - return 1; - } - } - - printf ("SDRAM test phase 2:\n"); - for (p = pstart; p < pend; p++) - *p = 0x55555555; - - for (p = pstart; p < pend; p++) { - if (*p != 0x55555555) { - printf ("SDRAM test fails at: %08x\n", (uint) p); - return 1; - } - } - - printf ("SDRAM test passed.\n"); - return 0; -} -#endif - - -#if !defined(CONFIG_SPD_EEPROM) -/************************************************************************* - * fixed sdram init -- doesn't use serial presence detect. - ************************************************************************/ -long int fixed_sdram (void) -{ -#ifndef CFG_RAMBOOT - volatile immap_t *immap = (immap_t *) CFG_IMMR; - volatile ccsr_ddr_t *ddr = &immap->im_ddr; - - ddr->cs0_bnds = CFG_DDR_CS0_BNDS; - ddr->cs0_config = CFG_DDR_CS0_CONFIG; - ddr->timing_cfg_1 = CFG_DDR_TIMING_1; - ddr->timing_cfg_2 = CFG_DDR_TIMING_2; - ddr->sdram_mode = CFG_DDR_MODE; - ddr->sdram_interval = CFG_DDR_INTERVAL; - ddr->err_disable = 0x0000000D; -#if defined (CONFIG_DDR_ECC) - ddr->err_disable = 0x0000000D; - ddr->err_sbe = 0x00ff0000; -#endif - asm ("sync;isync;msync"); - udelay (500); -#if defined (CONFIG_DDR_ECC) - /* Enable ECC checking */ - ddr->sdram_cfg = (CFG_DDR_CONTROL | 0x20000000); -#else - ddr->sdram_cfg = CFG_DDR_CONTROL; -#endif - asm ("sync; isync; msync"); - udelay (500); -#endif - return get_ram_size (0, CFG_SDRAM_SIZE * 1024 * 1024); -} -#endif /* !defined(CONFIG_SPD_EEPROM) */ - - -#if defined(CONFIG_PCI) -/* - * Initialize PCI Devices, report devices found. - */ - -#ifndef CONFIG_PCI_PNP -static struct pci_config_table pci_mpc85xxads_config_table[] = { - {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, - PCI_IDSEL_NUMBER, PCI_ANY_ID, - pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, - PCI_ENET0_MEMADDR, - PCI_COMMAND_MEMORY | - PCI_COMMAND_MASTER}}, - {} -}; -#endif - - -static struct pci_controller hose = { -#ifndef CONFIG_PCI_PNP - config_table:pci_mpc85xxads_config_table, -#endif -}; - -#endif /* CONFIG_PCI */ - - -void pci_init_board (void) -{ -#ifdef CONFIG_PCI - extern void pci_mpc85xx_init (struct pci_controller *hose); - - pci_mpc85xx_init (&hose); -#endif /* CONFIG_PCI */ -} |