arch/ppc/platforms/4xx/cedar.h

   1 /*
   2  * arch/ppc/platforms/4xx/cedar.h
   3  *
   4  * Macros, definitions, and data structures specific to the IBM PowerPC
   5  * Cedar eval board.
   6  *
   7  * Author: Armin Kuster <akuster@mvista.com>
   8  *
   9  * 2000 (c) MontaVista, Software, Inc.  This file is licensed under
  10  * the terms of the GNU General Public License version 2.1.  This program
  11  * is licensed "as is" without any warranty of any kind, whether express
  12  * or implied.
  13  */
  14
  15 #ifdef __KERNEL__
  16 #ifndef __ASM_CEDAR_H__
  17 #define __ASM_CEDAR_H__
  18 #include <platforms/4xx/ibmnp405l.h>
  19
  20 #ifndef __ASSEMBLY__
  21 /*
  22  * Data structure defining board information maintained by the boot
  23  * ROM on IBM's "Cedar" evaluation board. An effort has been made to
  24  * keep the field names consistent with the 8xx 'bd_t' board info
  25  * structures.
  26  */
  27
  28 typedef struct board_info {
  29         unsigned char    bi_s_version[4];       /* Version of this structure */
  30         unsigned char    bi_r_version[30];      /* Version of the IBM ROM */
  31         unsigned int     bi_memsize;            /* DRAM installed, in bytes */
  32         unsigned char    bi_enetaddr[2][6];     /* Local Ethernet MAC address */
  33         unsigned char    bi_pci_mac[6];
  34         unsigned int     bi_intfreq;            /* Processor speed, in Hz */
  35         unsigned int     bi_busfreq;            /* PLB Bus speed, in Hz */
  36         unsigned int     bi_pci_busfreq;        /* PCI speed in Hz */
  37 } bd_t;
  38
  39 /* Some 4xx parts use a different timebase frequency from the internal clock.
  40 */
  41 #define bi_tbfreq bi_intfreq
  42
  43 /* Memory map for the IBM "Cedar" NP405 evaluation board.
  44  */
  45
  46 extern  void *cedar_rtc_base;
  47 #define CEDAR_RTC_PADDR         ((uint)0xf0000000)
  48 #define CEDAR_RTC_VADDR         CEDAR_RTC_PADDR
  49 #define CEDAR_RTC_SIZE          ((uint)8*1024)
  50
  51
  52 /* Early initialization address mapping for block_io.
  53  * Standard 405GP map.
  54  */
  55 #define PPC4xx_ONB_IO_PADDR     ((uint)0xef600000)
  56 #define PPC4xx_ONB_IO_VADDR     PPC4xx_ONB_IO_PADDR
  57 #define PPC4xx_ONB_IO_SIZE      ((uint)4*1024)
  58
  59
  60 #ifdef CONFIG_PPC405GP_INTERNAL_CLOCK
  61 #define BASE_BAUD               201600
  62 #else
  63 #define BASE_BAUD               691200
  64 #endif
  65
  66 #define PPC4xx_MACHINE_NAME "IBM NP405L Cedar"
  67
  68
  69
  70
  71 #endif /* !__ASSEMBLY__ */
  72 #endif /* __ASM_CEDAR_H__ */
  73 #endif /* __KERNEL__ */