233 lines
6.8 KiB
C
233 lines
6.8 KiB
C
|
#ifndef __BOARD_H__
|
||
|
|
#define __BOARD_H__
|
||
|
|
#include <string.h>
|
||
|
|
/*
|
||
|
|
Utility functions to access/parse the board_id defined in the machine
|
||
|
|
struct in include/minix/type.h.
|
||
|
|
|
||
|
|
Identifier for the board
|
||
|
|
[31:28] Architecture. (MINIX_BOARD_ARCH)
|
||
|
|
[27:24] Architecture variant (MINIX_BOARD_ARCH_VARIANT) VERSION e.g. ARMV7
|
||
|
|
[23:16] Vendor/Soc (EG TI ) (MINIX_BOARD_VENDOR)
|
||
|
|
[15:8] Board (EG Beagle bone , beagle board ) (MINIX_BOARD)
|
||
|
|
[7:0] Board variant (EG BealgeBone white v.s. BeagleBone black ) (MINIX_BOARD_VARIANT)
|
||
|
|
*/
|
||
|
|
|
||
|
|
#define MINIX_BOARD_ARCH_SHIFT (28)
|
||
|
|
#define MINIX_BOARD_ARCH_VARIANT_SHIFT (24)
|
||
|
|
#define MINIX_BOARD_VENDOR_SHIFT (16)
|
||
|
|
#define MINIX_BOARD_SHIFT (8)
|
||
|
|
#define MINIX_BOARD_VARIANT_SHIFT (0)
|
||
|
|
|
||
|
|
/* 4 bits */
|
||
|
|
#define MINIX_BOARD_ARCH_MASK \
|
||
|
|
(0XF << MINIX_BOARD_ARCH_SHIFT)
|
||
|
|
/* 4 bits */
|
||
|
|
#define MINIX_BOARD_ARCH_VARIANT_MASK \
|
||
|
|
(0XF << MINIX_BOARD_ARCH_VARIANT_SHIFT)
|
||
|
|
/* 8 bits */
|
||
|
|
#define MINIX_BOARD_VENDOR_MASK \
|
||
|
|
(0XFF << MINIX_BOARD_VENDOR_SHIFT)
|
||
|
|
/* 8 bits */
|
||
|
|
#define MINIX_BOARD_MASK \
|
||
|
|
(0XFF << MINIX_BOARD_SHIFT)
|
||
|
|
/* 8 bits */
|
||
|
|
#define MINIX_BOARD_VARIANT_MASK \
|
||
|
|
(0XFF << MINIX_BOARD_VARIANT_SHIFT)
|
||
|
|
|
||
|
|
#define MINIX_MK_BOARD_ARCH(v) \
|
||
|
|
((v << MINIX_BOARD_ARCH_SHIFT ) & MINIX_BOARD_ARCH_MASK)
|
||
|
|
#define MINIX_MK_BOARD_ARCH_VARIANT(v) \
|
||
|
|
(( v << MINIX_BOARD_ARCH_VARIANT_SHIFT) & MINIX_BOARD_ARCH_VARIANT_MASK )
|
||
|
|
#define MINIX_MK_BOARD_VENDOR(v) \
|
||
|
|
(( v << MINIX_BOARD_VENDOR_SHIFT) & MINIX_BOARD_VENDOR_MASK )
|
||
|
|
#define MINIX_MK_BOARD(v) \
|
||
|
|
(( v << MINIX_BOARD_SHIFT) & MINIX_BOARD_MASK )
|
||
|
|
#define MINIX_MK_BOARD_VARIANT(v) \
|
||
|
|
(( v << MINIX_BOARD_VARIANT_SHIFT) & MINIX_BOARD_VARIANT_MASK )
|
||
|
|
|
||
|
|
#define MINIX_BOARD_ARCH(v) \
|
||
|
|
((v & MINIX_BOARD_ARCH_MASK) >> MINIX_BOARD_ARCH_SHIFT )
|
||
|
|
#define MINIX_BOARD_ARCH_VARIANT(v) \
|
||
|
|
(( v & MINIX_BOARD_ARCH_VARIANT_MASK) >> MINIX_BOARD_ARCH_VARIANT_SHIFT)
|
||
|
|
#define MINIX_BOARD_VENDOR(v) \
|
||
|
|
(( v & MINIX_BOARD_VENDOR_MASK) >> MINIX_BOARD_VENDOR_SHIFT)
|
||
|
|
#define MINIX_BOARD(v) \
|
||
|
|
(( v & MINIX_BOARD_MASK) >> MINIX_BOARD_SHIFT)
|
||
|
|
#define MINIX_BOARD_VARIANT(v) \
|
||
|
|
(( v & MINIX_BOARD_VARIANT_MASK) >> MINIX_BOARD_VARIANT_SHIFT)
|
||
|
|
|
||
|
|
/* We want to make it possible to use masks and therefore only try to use bits */
|
||
|
|
#define MINIX_BOARD_ARCH_X86 MINIX_MK_BOARD_ARCH(1 << 0)
|
||
|
|
#define MINIX_BOARD_ARCH_ARM MINIX_MK_BOARD_ARCH(1 << 1)
|
||
|
|
|
||
|
|
#define MINIX_BOARD_ARCH_VARIANT_X86_GENERIC MINIX_MK_BOARD_ARCH_VARIANT(1<<0)
|
||
|
|
#define MINIX_BOARD_ARCH_VARIANT_ARM_ARMV6 MINIX_MK_BOARD_ARCH_VARIANT(1<<1)
|
||
|
|
#define MINIX_BOARD_ARCH_VARIANT_ARM_ARMV7 MINIX_MK_BOARD_ARCH_VARIANT(1<<2)
|
||
|
|
|
||
|
|
#define MINIX_BOARD_VENDOR_INTEL MINIX_MK_BOARD_VENDOR(1<<0)
|
||
|
|
#define MINIX_BOARD_VENDOR_TI MINIX_MK_BOARD_VENDOR(1<<1)
|
||
|
|
|
||
|
|
#define MINIX_BOARD_GENERIC MINIX_MK_BOARD(1<<0)
|
||
|
|
/* BeagleBoard XM */
|
||
|
|
#define MINIX_BOARD_BBXM MINIX_MK_BOARD(1<<1)
|
||
|
|
/* BeagleBone (Black and* white) */
|
||
|
|
#define MINIX_BOARD_BB MINIX_MK_BOARD(1<<2)
|
||
|
|
|
||
|
|
/* Only one of a kind */
|
||
|
|
#define MINIX_BOARD_VARIANT_GENERIC MINIX_MK_BOARD_VARIANT(1<<0)
|
||
|
|
/* BeagleBone White */
|
||
|
|
#define MINIX_BOARD_VARIANT_BBW MINIX_MK_BOARD_VARIANT(1<<1)
|
||
|
|
/* BeagleBone Black */
|
||
|
|
#define MINIX_BOARD_VARIANT_BBB MINIX_MK_BOARD_VARIANT(1<<2)
|
||
|
|
|
||
|
|
#define BOARD_ID_INTEL \
|
||
|
|
( MINIX_BOARD_ARCH_X86 \
|
||
|
|
| MINIX_BOARD_ARCH_VARIANT_X86_GENERIC \
|
||
|
|
| MINIX_BOARD_VENDOR_INTEL \
|
||
|
|
| MINIX_BOARD_GENERIC \
|
||
|
|
| MINIX_BOARD_VARIANT_GENERIC\
|
||
|
|
)
|
||
|
|
|
||
|
|
#define BOARD_ID_BBXM \
|
||
|
|
( MINIX_BOARD_ARCH_ARM \
|
||
|
|
| MINIX_BOARD_ARCH_VARIANT_ARM_ARMV7 \
|
||
|
|
| MINIX_BOARD_VENDOR_TI \
|
||
|
|
| MINIX_BOARD_BBXM \
|
||
|
|
| MINIX_BOARD_VARIANT_GENERIC\
|
||
|
|
)
|
||
|
|
|
||
|
|
#define BOARD_ID_BBW \
|
||
|
|
( MINIX_BOARD_ARCH_ARM \
|
||
|
|
| MINIX_BOARD_ARCH_VARIANT_ARM_ARMV7 \
|
||
|
|
| MINIX_BOARD_VENDOR_TI \
|
||
|
|
| MINIX_BOARD_BB \
|
||
|
|
| MINIX_BOARD_VARIANT_BBW\
|
||
|
|
)
|
||
|
|
|
||
|
|
#define BOARD_ID_BBB \
|
||
|
|
( MINIX_BOARD_ARCH_ARM \
|
||
|
|
| MINIX_BOARD_ARCH_VARIANT_ARM_ARMV7 \
|
||
|
|
| MINIX_BOARD_VENDOR_TI \
|
||
|
|
| MINIX_BOARD_BB \
|
||
|
|
| MINIX_BOARD_VARIANT_BBB\
|
||
|
|
)
|
||
|
|
|
||
|
|
#define BOARD_IS_BBXM(v) \
|
||
|
|
( (BOARD_ID_BBXM & ~MINIX_BOARD_VARIANT_MASK) == (v & ~MINIX_BOARD_VARIANT_MASK))
|
||
|
|
/* Either one of the known BeagleBones */
|
||
|
|
#define BOARD_IS_BB(v) \
|
||
|
|
( (BOARD_ID_BBW & ~MINIX_BOARD_VARIANT_MASK) == (v & ~MINIX_BOARD_VARIANT_MASK))
|
||
|
|
#define BOARD_IS_BBW(v) ( v == BOARD_ID_BBW)
|
||
|
|
#define BOARD_IS_BBB(v) ( v == BOARD_ID_BBB)
|
||
|
|
|
||
|
|
#define BOARD_FILTER_BBXM_VALUE (BOARD_ID_BBXM)
|
||
|
|
#define BOARD_FILTER_BBXM_MASK \
|
||
|
|
(MINIX_BOARD_ARCH_MASK \
|
||
|
|
| MINIX_BOARD_ARCH_VARIANT_MASK \
|
||
|
|
| MINIX_BOARD_VENDOR_MASK \
|
||
|
|
| MINIX_BOARD_MASK \
|
||
|
|
| MINIX_BOARD_VARIANT_MASK)
|
||
|
|
|
||
|
|
#define BOARD_FILTER_BB_VALUE (BOARD_ID_BBW & ~MINIX_BOARD_VARIANT_MASK)
|
||
|
|
#define BOARD_FILTER_BB_MASK \
|
||
|
|
(MINIX_BOARD_ARCH_MASK \
|
||
|
|
| MINIX_BOARD_ARCH_VARIANT_MASK \
|
||
|
|
| MINIX_BOARD_VENDOR_MASK \
|
||
|
|
| MINIX_BOARD_MASK )
|
||
|
|
|
||
|
|
struct shortname2id
|
||
|
|
{
|
||
|
|
const char name[15];
|
||
|
|
unsigned int id;
|
||
|
|
};
|
||
|
|
|
||
|
|
|
||
|
|
/* mapping from fields given by the bootloader to board id's */
|
||
|
|
static struct shortname2id shortname2id[] = {
|
||
|
|
{.name = "BBXM",.id = BOARD_ID_BBXM},
|
||
|
|
{.name = "A335BONE",.id = BOARD_ID_BBW},
|
||
|
|
{.name = "A335BNLT",.id = BOARD_ID_BBB},
|
||
|
|
};
|
||
|
|
|
||
|
|
struct board_id2name
|
||
|
|
{
|
||
|
|
unsigned int id;
|
||
|
|
const char name[40];
|
||
|
|
};
|
||
|
|
|
||
|
|
/* how to convert a BOARD id to a board name */
|
||
|
|
static struct board_id2name board_id2name[] = {
|
||
|
|
{.id = BOARD_ID_INTEL,.name = "X86-I586-GENERIC-GENERIC-GENERIC"},
|
||
|
|
{.id = BOARD_ID_BBXM,.name = "ARM-ARMV7-TI-BBXM-GENERIC"},
|
||
|
|
{.id = BOARD_ID_BBW,.name = "ARM-ARMV7-TI-BB-WHITE"},
|
||
|
|
{.id = BOARD_ID_BBB,.name = "ARM-ARMV7-TI-BB-BLACK"},
|
||
|
|
};
|
||
|
|
|
||
|
|
struct board_arch2arch
|
||
|
|
{
|
||
|
|
unsigned int board_arch;
|
||
|
|
const char arch[40];
|
||
|
|
};
|
||
|
|
/* Mapping from board_arch to arch */
|
||
|
|
static struct board_arch2arch board_arch2arch[] = {
|
||
|
|
{.board_arch = MINIX_BOARD_ARCH_ARM ,.arch = "earm"},
|
||
|
|
{.board_arch = MINIX_BOARD_ARCH_X86 ,.arch = "i386"},
|
||
|
|
};
|
||
|
|
|
||
|
|
/* returns 0 if no board was found that match that id */
|
||
|
|
static int
|
||
|
|
get_board_id_by_short_name(const char *name)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
for (x = 0; x < sizeof(shortname2id) / sizeof(shortname2id[0]); x++) {
|
||
|
|
if (strncmp(name, shortname2id[x].name, 15) == 0) {
|
||
|
|
return shortname2id[x].id;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* returns 0 if no board was found that match that id */
|
||
|
|
static int
|
||
|
|
get_board_id_by_name(const char *name)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
for (x = 0; x < sizeof(board_id2name) / sizeof(board_id2name[0]); x++) {
|
||
|
|
if (strncmp(name, board_id2name[x].name, 40) == 0) {
|
||
|
|
return board_id2name[x].id;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return 0;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* convert a board id to a board name to use later
|
||
|
|
returns NULL if no board was found that match that id */
|
||
|
|
static const char *
|
||
|
|
get_board_name(unsigned int id)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
for (x = 0; x < sizeof(board_id2name) / sizeof(board_id2name[0]); x++) {
|
||
|
|
if (board_id2name[x].id == id) {
|
||
|
|
return board_id2name[x].name;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
/* convert a board id to a board name to use later
|
||
|
|
returns NULL if no board was found that match that id */
|
||
|
|
static const char *
|
||
|
|
get_board_arch_name(unsigned int id)
|
||
|
|
{
|
||
|
|
int x;
|
||
|
|
for (x = 0; x < sizeof(board_arch2arch) / sizeof(board_arch2arch[0]); x++) {
|
||
|
|
if (board_arch2arch[x].board_arch == (id & MINIX_BOARD_ARCH_MASK) ) {
|
||
|
|
return board_arch2arch[x].arch;
|
||
|
|
}
|
||
|
|
}
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
|
||
|
|
#endif
|