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This file describes the bd_t struct, which is used by old versions of U-boot to pass information to the kernel. Platform code that needs to interoperate with such firmware can use this; it should not be used for anything new. Signed-off-by: Scott Wood <scottwood@freescale.com> Signed-off-by: Paul Mackerras <paulus@samba.org>
109 lines
3.8 KiB
C
109 lines
3.8 KiB
C
/*
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* This interface is used for compatibility with old U-boots *ONLY*.
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* Please do not imitate or extend this.
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*/
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/*
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* (C) Copyright 2000, 2001
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* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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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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#ifndef __PPCBOOT_H__
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#define __PPCBOOT_H__
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/*
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* Board information passed to kernel from PPCBoot
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*
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* include/asm-ppc/ppcboot.h
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*/
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#include "types.h"
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typedef struct bd_info {
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unsigned long bi_memstart; /* start of DRAM memory */
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unsigned long bi_memsize; /* size of DRAM memory in bytes */
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unsigned long bi_flashstart; /* start of FLASH memory */
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unsigned long bi_flashsize; /* size of FLASH memory */
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unsigned long bi_flashoffset; /* reserved area for startup monitor */
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unsigned long bi_sramstart; /* start of SRAM memory */
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unsigned long bi_sramsize; /* size of SRAM memory */
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#if defined(TARGET_8xx) || defined(TARGET_CPM2) || defined(TARGET_85xx) ||\
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defined(TARGET_83xx)
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unsigned long bi_immr_base; /* base of IMMR register */
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#endif
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#if defined(TARGET_PPC_MPC52xx)
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unsigned long bi_mbar_base; /* base of internal registers */
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#endif
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unsigned long bi_bootflags; /* boot / reboot flag (for LynxOS) */
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unsigned long bi_ip_addr; /* IP Address */
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unsigned char bi_enetaddr[6]; /* Ethernet address */
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unsigned short bi_ethspeed; /* Ethernet speed in Mbps */
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unsigned long bi_intfreq; /* Internal Freq, in MHz */
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unsigned long bi_busfreq; /* Bus Freq, in MHz */
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#if defined(TARGET_CPM2)
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unsigned long bi_cpmfreq; /* CPM_CLK Freq, in MHz */
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unsigned long bi_brgfreq; /* BRG_CLK Freq, in MHz */
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unsigned long bi_sccfreq; /* SCC_CLK Freq, in MHz */
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unsigned long bi_vco; /* VCO Out from PLL, in MHz */
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#endif
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#if defined(TARGET_PPC_MPC52xx)
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unsigned long bi_ipbfreq; /* IPB Bus Freq, in MHz */
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unsigned long bi_pcifreq; /* PCI Bus Freq, in MHz */
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#endif
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unsigned long bi_baudrate; /* Console Baudrate */
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#if defined(TARGET_4xx)
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unsigned char bi_s_version[4]; /* Version of this structure */
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unsigned char bi_r_version[32]; /* Version of the ROM (IBM) */
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unsigned int bi_procfreq; /* CPU (Internal) Freq, in Hz */
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unsigned int bi_plb_busfreq; /* PLB Bus speed, in Hz */
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unsigned int bi_pci_busfreq; /* PCI Bus speed, in Hz */
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unsigned char bi_pci_enetaddr[6]; /* PCI Ethernet MAC address */
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#endif
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#if defined(TARGET_HYMOD)
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hymod_conf_t bi_hymod_conf; /* hymod configuration information */
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#endif
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#if defined(TARGET_EVB64260) || defined(TARGET_405EP) || defined(TARGET_44x) || \
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defined(TARGET_85xx) || defined(TARGET_83xx)
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/* second onboard ethernet port */
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unsigned char bi_enet1addr[6];
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#define HAVE_ENET1ADDR
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#endif
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#if defined(TARGET_EVB64260) || defined(TARGET_440GX) || defined(TARGET_85xx)
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/* third onboard ethernet ports */
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unsigned char bi_enet2addr[6];
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#define HAVE_ENET2ADDR
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#endif
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#if defined(TARGET_440GX)
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/* fourth onboard ethernet ports */
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unsigned char bi_enet3addr[6];
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#define HAVE_ENET3ADDR
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#endif
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#if defined(TARGET_4xx)
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unsigned int bi_opbfreq; /* OB clock in Hz */
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int bi_iic_fast[2]; /* Use fast i2c mode */
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#endif
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#if defined(TARGET_440GX)
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int bi_phynum[4]; /* phy mapping */
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int bi_phymode[4]; /* phy mode */
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#endif
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} bd_t;
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#define bi_tbfreq bi_intfreq
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#endif /* __PPCBOOT_H__ */
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