mirror of
https://github.com/edk2-porting/linux-next.git
synced 2024-12-22 20:23:57 +08:00
170acae4c9
Drop planetcore_set_serial_speed() which had no users since its
inception in commit fec6047047 ("[POWERPC] bootwrapper: Add PlanetCore
firmware support") in 2007.
Signed-off-by: Arseny Solokha <asolokha@kb.kras.ru>
Signed-off-by: Michael Ellerman <mpe@ellerman.id.au>
134 lines
2.6 KiB
C
134 lines
2.6 KiB
C
/*
|
|
* PlanetCore configuration data support functions
|
|
*
|
|
* Author: Scott Wood <scottwood@freescale.com>
|
|
*
|
|
* Copyright (c) 2007 Freescale Semiconductor, Inc.
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify it
|
|
* under the terms of the GNU General Public License version 2 as published
|
|
* by the Free Software Foundation.
|
|
*/
|
|
|
|
#include "stdio.h"
|
|
#include "stdlib.h"
|
|
#include "ops.h"
|
|
#include "planetcore.h"
|
|
#include "io.h"
|
|
|
|
/* PlanetCore passes information to the OS in the form of
|
|
* a table of key=value strings, separated by newlines.
|
|
*
|
|
* The list is terminated by an empty string (i.e. two
|
|
* consecutive newlines).
|
|
*
|
|
* To make it easier to parse, we first convert all the
|
|
* newlines into null bytes.
|
|
*/
|
|
|
|
void planetcore_prepare_table(char *table)
|
|
{
|
|
do {
|
|
if (*table == '\n')
|
|
*table = 0;
|
|
|
|
table++;
|
|
} while (*(table - 1) || *table != '\n');
|
|
|
|
*table = 0;
|
|
}
|
|
|
|
const char *planetcore_get_key(const char *table, const char *key)
|
|
{
|
|
int keylen = strlen(key);
|
|
|
|
do {
|
|
if (!strncmp(table, key, keylen) && table[keylen] == '=')
|
|
return table + keylen + 1;
|
|
|
|
table += strlen(table) + 1;
|
|
} while (strlen(table) != 0);
|
|
|
|
return NULL;
|
|
}
|
|
|
|
int planetcore_get_decimal(const char *table, const char *key, u64 *val)
|
|
{
|
|
const char *str = planetcore_get_key(table, key);
|
|
if (!str)
|
|
return 0;
|
|
|
|
*val = strtoull(str, NULL, 10);
|
|
return 1;
|
|
}
|
|
|
|
int planetcore_get_hex(const char *table, const char *key, u64 *val)
|
|
{
|
|
const char *str = planetcore_get_key(table, key);
|
|
if (!str)
|
|
return 0;
|
|
|
|
*val = strtoull(str, NULL, 16);
|
|
return 1;
|
|
}
|
|
|
|
static u64 mac_table[4] = {
|
|
0x000000000000,
|
|
0x000000800000,
|
|
0x000000400000,
|
|
0x000000c00000,
|
|
};
|
|
|
|
void planetcore_set_mac_addrs(const char *table)
|
|
{
|
|
u8 addr[4][6];
|
|
u64 int_addr;
|
|
u32 i;
|
|
int j;
|
|
|
|
if (!planetcore_get_hex(table, PLANETCORE_KEY_MAC_ADDR, &int_addr))
|
|
return;
|
|
|
|
for (i = 0; i < 4; i++) {
|
|
u64 this_dev_addr = (int_addr & ~0x000000c00000) |
|
|
mac_table[i];
|
|
|
|
for (j = 5; j >= 0; j--) {
|
|
addr[i][j] = this_dev_addr & 0xff;
|
|
this_dev_addr >>= 8;
|
|
}
|
|
|
|
dt_fixup_mac_address(i, addr[i]);
|
|
}
|
|
}
|
|
|
|
static char prop_buf[MAX_PROP_LEN];
|
|
|
|
void planetcore_set_stdout_path(const char *table)
|
|
{
|
|
char *path;
|
|
const char *label;
|
|
void *node, *chosen;
|
|
|
|
label = planetcore_get_key(table, PLANETCORE_KEY_SERIAL_PORT);
|
|
if (!label)
|
|
return;
|
|
|
|
node = find_node_by_prop_value_str(NULL, "linux,planetcore-label",
|
|
label);
|
|
if (!node)
|
|
return;
|
|
|
|
path = get_path(node, prop_buf, MAX_PROP_LEN);
|
|
if (!path)
|
|
return;
|
|
|
|
chosen = finddevice("/chosen");
|
|
if (!chosen)
|
|
chosen = create_node(NULL, "chosen");
|
|
if (!chosen)
|
|
return;
|
|
|
|
setprop_str(chosen, "linux,stdout-path", path);
|
|
}
|