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https://github.com/brain-hackers/u-boot-brain
synced 2024-08-31 06:18:51 +09:00
![Peter Tyser](/assets/img/avatar_default.png)
Previously boards used a variety of indentations, newline styles, and colon styles for the PCI information that is printed on bootup. This patch unifies the style to look like: ... NAND: 1024 MiB PCIE1: connected as Root Complex Scanning PCI bus 01 04 01 8086 1010 0200 00 04 01 8086 1010 0200 00 03 00 10b5 8112 0604 00 02 01 10b5 8518 0604 00 02 02 10b5 8518 0604 00 08 00 1957 0040 0b20 00 07 00 10b5 8518 0604 00 09 00 10b5 8112 0604 00 07 01 10b5 8518 0604 00 07 02 10b5 8518 0604 00 06 00 10b5 8518 0604 00 02 03 10b5 8518 0604 00 01 00 10b5 8518 0604 00 PCIE1: Bus 00 - 0b PCIE2: connected as Root Complex Scanning PCI bus 0d 0d 00 1957 0040 0b20 00 PCIE2: Bus 0c - 0d In: serial ... Signed-off-by: Peter Tyser <ptyser@xes-inc.com> CC: wd@denx.de CC: sr@denx.de CC: galak@kernel.crashing.org
407 lines
9.7 KiB
C
407 lines
9.7 KiB
C
/*
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* Copyright 2007,2009 Wind River Systems, Inc. <www.windriver.com>
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*
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* Copyright 2007 Embedded Specialties, Inc.
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*
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* Copyright 2004, 2007 Freescale Semiconductor.
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*
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* (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com>
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*
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* See file CREDITS for list of people who contributed to this
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* project.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of
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* the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <pci.h>
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#include <asm/processor.h>
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#include <asm/immap_85xx.h>
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#include <asm/fsl_pci.h>
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#include <asm/fsl_ddr_sdram.h>
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#include <spd_sdram.h>
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#include <netdev.h>
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#include <tsec.h>
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#include <miiphy.h>
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#include <libfdt.h>
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#include <fdt_support.h>
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DECLARE_GLOBAL_DATA_PTR;
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void local_bus_init(void);
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void sdram_init(void);
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long int fixed_sdram (void);
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int board_early_init_f (void)
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{
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return 0;
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}
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int checkboard (void)
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{
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volatile ccsr_local_ecm_t *ecm = (void *)(CONFIG_SYS_MPC85xx_ECM_ADDR);
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volatile u_char *rev= (void *)CONFIG_SYS_BD_REV;
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printf ("Board: Wind River SBC8548 Rev. 0x%01x\n",
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in_8(rev) >> 4);
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/*
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* Initialize local bus.
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*/
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local_bus_init ();
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out_be32(&ecm->eedr, 0xffffffff); /* clear ecm errors */
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out_be32(&ecm->eeer, 0xffffffff); /* enable ecm errors */
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return 0;
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}
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phys_size_t
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initdram(int board_type)
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{
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long dram_size = 0;
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puts("Initializing\n");
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#if defined(CONFIG_DDR_DLL)
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{
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/*
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* Work around to stabilize DDR DLL MSYNC_IN.
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* Errata DDR9 seems to have been fixed.
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* This is now the workaround for Errata DDR11:
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* Override DLL = 1, Course Adj = 1, Tap Select = 0
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*/
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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out_be32(&gur->ddrdllcr, 0x81000000);
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asm("sync;isync;msync");
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udelay(200);
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}
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#endif
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#if defined(CONFIG_SPD_EEPROM)
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dram_size = fsl_ddr_sdram();
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dram_size = setup_ddr_tlbs(dram_size / 0x100000);
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dram_size *= 0x100000;
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#else
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dram_size = fixed_sdram ();
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#endif
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/*
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* SDRAM Initialization
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*/
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sdram_init();
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puts(" DDR: ");
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return dram_size;
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}
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/*
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* Initialize Local Bus
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*/
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void
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local_bus_init(void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
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uint clkdiv;
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uint lbc_hz;
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sys_info_t sysinfo;
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get_sys_info(&sysinfo);
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clkdiv = (in_be32(&lbc->lcrr) & LCRR_CLKDIV) * 2;
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lbc_hz = sysinfo.freqSystemBus / 1000000 / clkdiv;
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out_be32(&gur->lbiuiplldcr1, 0x00078080);
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if (clkdiv == 16) {
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out_be32(&gur->lbiuiplldcr0, 0x7c0f1bf0);
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} else if (clkdiv == 8) {
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out_be32(&gur->lbiuiplldcr0, 0x6c0f1bf0);
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} else if (clkdiv == 4) {
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out_be32(&gur->lbiuiplldcr0, 0x5c0f1bf0);
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}
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setbits_be32(&lbc->lcrr, 0x00030000);
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asm("sync;isync;msync");
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out_be32(&lbc->ltesr, 0xffffffff); /* Clear LBC error IRQs */
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out_be32(&lbc->lteir, 0xffffffff); /* Enable LBC error IRQs */
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}
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/*
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* Initialize SDRAM memory on the Local Bus.
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*/
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void
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sdram_init(void)
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{
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#if defined(CONFIG_SYS_LBC_SDRAM_SIZE)
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uint idx;
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volatile fsl_lbc_t *lbc = LBC_BASE_ADDR;
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uint *sdram_addr = (uint *)CONFIG_SYS_LBC_SDRAM_BASE;
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uint lsdmr_common;
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puts(" SDRAM: ");
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print_size (CONFIG_SYS_LBC_SDRAM_SIZE * 1024 * 1024, "\n");
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/*
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* Setup SDRAM Base and Option Registers
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*/
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set_lbc_or(3, CONFIG_SYS_OR3_PRELIM);
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set_lbc_br(3, CONFIG_SYS_BR3_PRELIM);
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set_lbc_or(4, CONFIG_SYS_OR4_PRELIM);
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set_lbc_br(4, CONFIG_SYS_BR4_PRELIM);
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out_be32(&lbc->lbcr, CONFIG_SYS_LBC_LBCR);
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asm("msync");
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out_be32(&lbc->lsrt, CONFIG_SYS_LBC_LSRT);
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out_be32(&lbc->mrtpr, CONFIG_SYS_LBC_MRTPR);
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asm("msync");
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/*
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* MPC8548 uses "new" 15-16 style addressing.
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*/
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lsdmr_common = CONFIG_SYS_LBC_LSDMR_COMMON;
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lsdmr_common |= LSDMR_BSMA1516;
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/*
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* Issue PRECHARGE ALL command.
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*/
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out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_PCHALL);
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(100);
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/*
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* Issue 8 AUTO REFRESH commands.
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*/
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for (idx = 0; idx < 8; idx++) {
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out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_ARFRSH);
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(100);
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}
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/*
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* Issue 8 MODE-set command.
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*/
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out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_MRW);
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(100);
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/*
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* Issue NORMAL OP command.
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*/
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out_be32(&lbc->lsdmr, lsdmr_common | LSDMR_OP_NORMAL);
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asm("sync;msync");
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*sdram_addr = 0xff;
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ppcDcbf((unsigned long) sdram_addr);
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udelay(200); /* Overkill. Must wait > 200 bus cycles */
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#endif /* enable SDRAM init */
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}
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#if defined(CONFIG_SYS_DRAM_TEST)
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int
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testdram(void)
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{
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uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START;
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uint *pend = (uint *) CONFIG_SYS_MEMTEST_END;
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uint *p;
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printf("Testing DRAM from 0x%08x to 0x%08x\n",
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CONFIG_SYS_MEMTEST_START,
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CONFIG_SYS_MEMTEST_END);
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printf("DRAM test phase 1:\n");
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for (p = pstart; p < pend; p++)
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*p = 0xaaaaaaaa;
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for (p = pstart; p < pend; p++) {
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if (*p != 0xaaaaaaaa) {
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printf ("DRAM test fails at: %08x\n", (uint) p);
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return 1;
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}
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}
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printf("DRAM test phase 2:\n");
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for (p = pstart; p < pend; p++)
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*p = 0x55555555;
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for (p = pstart; p < pend; p++) {
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if (*p != 0x55555555) {
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printf ("DRAM test fails at: %08x\n", (uint) p);
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return 1;
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}
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}
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printf("DRAM test passed.\n");
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return 0;
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}
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#endif
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#if !defined(CONFIG_SPD_EEPROM)
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#define CONFIG_SYS_DDR_CONTROL 0xc300c000
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/*************************************************************************
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* fixed_sdram init -- doesn't use serial presence detect.
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* assumes 256MB DDR2 SDRAM SODIMM, without ECC, running at DDR400 speed.
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************************************************************************/
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long int fixed_sdram (void)
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{
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volatile ccsr_ddr_t *ddr = (void *)(CONFIG_SYS_MPC85xx_DDR_ADDR);
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out_be32(&ddr->cs0_bnds, 0x0000007f);
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out_be32(&ddr->cs1_bnds, 0x008000ff);
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out_be32(&ddr->cs2_bnds, 0x00000000);
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out_be32(&ddr->cs3_bnds, 0x00000000);
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out_be32(&ddr->cs0_config, 0x80010101);
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out_be32(&ddr->cs1_config, 0x80010101);
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out_be32(&ddr->cs2_config, 0x00000000);
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out_be32(&ddr->cs3_config, 0x00000000);
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out_be32(&ddr->timing_cfg_3, 0x00000000);
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out_be32(&ddr->timing_cfg_0, 0x00220802);
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out_be32(&ddr->timing_cfg_1, 0x38377322);
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out_be32(&ddr->timing_cfg_2, 0x0fa044C7);
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out_be32(&ddr->sdram_cfg, 0x4300C000);
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out_be32(&ddr->sdram_cfg_2, 0x24401000);
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out_be32(&ddr->sdram_mode, 0x23C00542);
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out_be32(&ddr->sdram_mode_2, 0x00000000);
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out_be32(&ddr->sdram_interval, 0x05080100);
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out_be32(&ddr->sdram_md_cntl, 0x00000000);
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out_be32(&ddr->sdram_data_init, 0x00000000);
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out_be32(&ddr->sdram_clk_cntl, 0x03800000);
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asm("sync;isync;msync");
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udelay(500);
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#if defined (CONFIG_DDR_ECC)
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/* Enable ECC checking */
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL | 0x20000000);
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#else
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out_be32(&ddr->sdram_cfg, CONFIG_SYS_DDR_CONTROL);
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#endif
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return CONFIG_SYS_SDRAM_SIZE * 1024 * 1024;
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}
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#endif
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#ifdef CONFIG_PCI1
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static struct pci_controller pci1_hose;
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#endif /* CONFIG_PCI1 */
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#ifdef CONFIG_PCIE1
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static struct pci_controller pcie1_hose;
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#endif /* CONFIG_PCIE1 */
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#ifdef CONFIG_PCI
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void
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pci_init_board(void)
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{
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volatile ccsr_gur_t *gur = (void *)(CONFIG_SYS_MPC85xx_GUTS_ADDR);
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struct fsl_pci_info pci_info[2];
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u32 devdisr, pordevsr, porpllsr, io_sel;
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int first_free_busno = 0;
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int num = 0;
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#ifdef CONFIG_PCIE1
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int pcie_configured;
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#endif
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devdisr = in_be32(&gur->devdisr);
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pordevsr = in_be32(&gur->pordevsr);
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porpllsr = in_be32(&gur->porpllsr);
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io_sel = (pordevsr & MPC85xx_PORDEVSR_IO_SEL) >> 19;
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debug(" pci_init_board: devdisr=%x, io_sel=%x\n", devdisr, io_sel);
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#ifdef CONFIG_PCI1
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if (!(devdisr & MPC85xx_DEVDISR_PCI1)) {
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uint pci_32 = pordevsr & MPC85xx_PORDEVSR_PCI1_PCI32;
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uint pci_arb = pordevsr & MPC85xx_PORDEVSR_PCI1_ARB;
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uint pci_clk_sel = porpllsr & MPC85xx_PORDEVSR_PCI1_SPD;
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uint pci_speed = CONFIG_SYS_CLK_FREQ; /* get_clock_freq() */
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printf("PCI: Host, %d bit, %s MHz, %s, %s\n",
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(pci_32) ? 32 : 64,
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(pci_speed == 33000000) ? "33" :
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(pci_speed == 66000000) ? "66" : "unknown",
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pci_clk_sel ? "sync" : "async",
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pci_arb ? "arbiter" : "external-arbiter");
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SET_STD_PCI_INFO(pci_info[num], 1);
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first_free_busno = fsl_pci_init_port(&pci_info[num++],
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&pci1_hose, first_free_busno);
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} else {
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printf("PCI: disabled\n");
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}
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puts("\n");
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#else
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setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI1); /* disable */
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#endif
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setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCI2); /* disable PCI2 */
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#ifdef CONFIG_PCIE1
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pcie_configured = is_fsl_pci_cfg(LAW_TRGT_IF_PCIE_1, io_sel);
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if (pcie_configured && !(devdisr & MPC85xx_DEVDISR_PCIE)){
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SET_STD_PCIE_INFO(pci_info[num], 1);
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printf("PCIE: base address %lx\n", pci_info[num].regs);
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first_free_busno = fsl_pci_init_port(&pci_info[num++],
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&pcie1_hose, first_free_busno);
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} else {
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printf("PCIE: disabled\n");
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}
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puts("\n");
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#else
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setbits_be32(&gur->devdisr, MPC85xx_DEVDISR_PCIE); /* disable */
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#endif
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}
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#endif
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int board_eth_init(bd_t *bis)
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{
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tsec_standard_init(bis);
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pci_eth_init(bis);
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return 0; /* otherwise cpu_eth_init gets run */
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}
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int last_stage_init(void)
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{
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return 0;
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}
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#if defined(CONFIG_OF_BOARD_SETUP)
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void ft_board_setup(void *blob, bd_t *bd)
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{
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ft_cpu_setup(blob, bd);
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#ifdef CONFIG_FSL_PCI_INIT
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FT_FSL_PCI_SETUP;
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#endif
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}
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#endif
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