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