58 lines
2.7 KiB
C
58 lines
2.7 KiB
C
/* SPDX-License-Identifier: GPL-2.0 */
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#ifndef _PPC_REDBOOT_H
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#define _PPC_REDBOOT_H
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//=========================================================================
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// include/asm-ppc/redboot.h
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// Copyright (c) 2002, 2003 Gary Thomas (<gary@mlbassoc.com>
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// Copyright (c) 1997 Dan Malek (dmalek@jlc.net)
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//
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// Board specific details, as provided by RedBoot
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//
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/* A Board Information structure that is given to a program when
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* RedBoot starts it up. Note: not all fields make sense for all
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* architectures and it's up to the platform specific code to fill
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* in the details.
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*/
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typedef struct bd_info {
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unsigned int bi_tag; /* Should be 0x42444944 "BDID" */
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unsigned int bi_size; /* Size of this structure */
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unsigned int bi_revision; /* revision of this structure */
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unsigned int bi_bdate; /* bootstrap date, i.e. 0x19971106 */
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unsigned int bi_memstart; /* Memory start address */
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unsigned int bi_memsize; /* Memory (end) size in bytes */
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unsigned int bi_intfreq; /* Internal Freq, in Hz */
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unsigned int bi_busfreq; /* Bus Freq, in Hz */
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unsigned int bi_cpmfreq; /* CPM Freq, in Hz */
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unsigned int bi_brgfreq; /* BRG Freq, in Hz */
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unsigned int bi_vco; /* VCO Out from PLL */
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unsigned int bi_pci_freq; /* PCI Freq, in Hz */
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unsigned int bi_baudrate; /* Default console baud rate */
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unsigned int bi_immr; /* IMMR when called from boot rom */
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unsigned char bi_enetaddr[6];
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unsigned int bi_flashbase; /* Physical address of FLASH memory */
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unsigned int bi_flashsize; /* Length of FLASH memory */
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int bi_flashwidth; /* Width (8,16,32,64) */
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unsigned char *bi_cmdline; /* Pointer to command line */
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unsigned char bi_esa[3][6]; /* Ethernet station addresses */
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unsigned int bi_ramdisk_begin, bi_ramdisk_end;
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struct { /* Information about [main] video screen */
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short x_res; /* Horizontal resolution in pixels */
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short y_res; /* Vertical resolution in pixels */
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short bpp; /* Bits/pixel */
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short mode; /* Type of pixels (packed, indexed) */
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unsigned long fb; /* Pointer to frame buffer (pixel) memory */
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} bi_video;
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void (*bi_cputc)(char); /* Write a character to the RedBoot console */
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char (*bi_cgetc)(void); /* Read a character from the RedBoot console */
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int (*bi_ctstc)(void); /* Test for input on the RedBoot console */
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} bd_t;
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#define BI_REV 0x0102 /* Version 1.02 */
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#define bi_pci_busfreq bi_pci_freq
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#define bi_immr_base bi_immr
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#endif
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