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[adm5120] refactor kernel code (part 1), mark it as broken now

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git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7916 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg
2007-07-11 13:00:27 +00:00
parent ee0d3e3aaf
commit 015aed1317
57 changed files with 3527 additions and 1492 deletions
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299
target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c
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@@ -1,96 +1,160 @@
/*****************************************************************************
* Carsten Langgaard, carstenl@mips.com
* Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
* Copyright (C) 2003 ADMtek Incorporated.
* daniell@admtek.com.tw
* Copyright (C) 2007 OpenWrt.org
/*
* $Id$
*
* This program is free software; you can distribute it and/or modify it
* under the terms of the GNU General Public License (Version 2) as
* published by the Free Software Foundation.
* ADM5120 specific prom routines
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* for more details.
* Copyright (C) 2007 OpenWrt.org
* Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
*
* You should have received a copy of the GNU General Public License along
* with this program; if not, write to the Free Software Foundation, Inc.,
* 59 Temple Place - Suite 330, Boston MA 02111-1307, USA.
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
*****************************************************************************/
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the
* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
* Boston, MA 02110-1301, USA.
*
*/
#include <linux/init.h>
#include <linux/autoconf.h>
#include <linux/kernel.h>
#include <linux/string.h>
#include <linux/mm.h>
#include <linux/bootmem.h>
#include <asm/bootinfo.h>
#include <asm/addrspace.h>
#include <asm/mach-adm5120/adm5120_info.h>
#include <asm/mach-adm5120/adm5120_defs.h>
#include <asm/mach-adm5120/adm5120_uart.h>
static char **prom_envp = NULL;
#include <prom/cfe.h>
#include <prom/generic.h>
#include <prom/routerboot.h>
#include <prom/myloader.h>
#include <prom/zynos.h>
void setup_prom_printf(int);
void prom_printf(char *, ...);
void prom_meminit(void);
unsigned int adm5120_prom_type = ADM5120_PROM_GENERIC;
struct board_desc {
unsigned long mach_type;
char *name;
};
#define READCSR(r) *(volatile unsigned long *)(0xB2600000+(r))
#define WRITECSR(r,v) *(volatile unsigned long *)(0xB2600000+(r)) = v
#define DEFBOARD(n, mt) { .mach_type = (mt), .name = (n)}
static struct board_desc common_boards[] __initdata = {
/* Cellvision/SparkLAN boards */
DEFBOARD("CAS-630", MACH_ADM5120_CAS630),
DEFBOARD("CAS-670", MACH_ADM5120_CAS670),
DEFBOARD("CAS-771", MACH_ADM5120_CAS771),
DEFBOARD("CAS-790", MACH_ADM5120_CAS790),
DEFBOARD("CAS-861", MACH_ADM5120_CAS861),
/* Compex boards */
DEFBOARD("WP54G-WRT", MACH_ADM5120_WP54G_WRT),
/* Edimax boards */
DEFBOARD("BR-6104K", MACH_ADM5120_BR6104K),
DEFBOARD("BR-6104KP", MACH_ADM5120_BR6104K),
/* Infineon boards */
DEFBOARD("EASY 5120", MACH_ADM5120_EASY5120),
DEFBOARD("EASY 5120-RT", MACH_ADM5120_EASY5120RT),
DEFBOARD("EASY 5120P-ATA", MACH_ADM5120_EASY5120PATA),
DEFBOARD("EASY 83000", MACH_ADM5120_EASY83000),
/* Mikrotik RouterBOARDs */
DEFBOARD("111", MACH_ADM5120_RB_111),
DEFBOARD("112", MACH_ADM5120_RB_112),
DEFBOARD("133", MACH_ADM5120_RB_133),
DEFBOARD("133C", MACH_ADM5120_RB_133C),
DEFBOARD("miniROUTER", MACH_ADM5120_RB_150),
DEFBOARD("153", MACH_ADM5120_RB_153),
};
#define UART_DR_REG 0x00
#define UART_FR_REG 0x18
#define UART_TX_FIFO_FULL 0x20
int putPromChar(char c)
static unsigned long __init find_machtype_byname(char *name)
{
WRITECSR(UART_DR_REG, c);
while ( (READCSR(UART_FR_REG) & UART_TX_FIFO_FULL) );
return 0;
unsigned long ret;
int i;
ret = MACH_ADM5120_GENERIC;
if (name == NULL)
goto out;
if (*name == '\0')
goto out;
for (i=0; i<ARRAY_SIZE(common_boards); i++) {
if (strcmp(common_boards[i].name, name) == 0) {
ret = common_boards[i].mach_type;
break;
}
}
out:
return ret;
}
/*
* Ugly prom_printf used for debugging
*/
void prom_printf(char *fmt, ...)
static unsigned long __init detect_machtype_routerboot(void)
{
va_list args;
int l;
char *p, *buf_end;
char buf[1024];
char *name;
va_start(args, fmt);
l = vsprintf(buf, fmt, args); /* hopefully i < sizeof(buf) */
va_end(args);
buf_end = buf + l;
for (p = buf; p < buf_end; p++) {
/* Crude cr/nl handling is better than none */
if (*p == '\n')
putPromChar('\r');
putPromChar(*p);
}
name = routerboot_get_boardname();
return find_machtype_byname(name);
}
char *prom_getenv(char *envname)
static unsigned long __init detect_machtype_generic(void)
{
char **env;
char *ret;
char *name;
ret = NULL;
name = generic_prom_getenv("board");
return find_machtype_byname(name);
}
if (prom_envp== NULL)
return NULL;
unsigned long __init detect_machtype_cfe(void)
{
char *name;
for (env = prom_envp; *env != NULL; env++) {
if (strcmp(envname, *env++) == 0) {
ret = *env;
name = cfe_getenv("BOARD_NAME");
return find_machtype_byname(name);
}
static struct {
unsigned long mach_type;
u16 vendor_id;
u16 board_id;
} zynos_boards[] __initdata = {
#define ZYNOS_BOARD(vi, bi, mt) { .vendor_id = (vi), .board_id = (bi), \
.mach_type = (mt) }
#define ZYXEL_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_ZYXEL, bi, mt)
#define DLINK_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_DLINK, bi, mt)
#define LUCENT_BOARD(bi, mt) ZYNOS_BOARD(ZYNOS_VENDOR_ID_LUCENT, bi, mt)
ZYXEL_BOARD(ZYNOS_BOARD_HS100, MACH_ADM5120_HS100),
ZYXEL_BOARD(ZYNOS_BOARD_P334, MACH_ADM5120_P334),
ZYXEL_BOARD(ZYNOS_BOARD_P334U, MACH_ADM5120_P334U),
ZYXEL_BOARD(ZYNOS_BOARD_P334W, MACH_ADM5120_P334W),
ZYXEL_BOARD(ZYNOS_BOARD_P334WH, MACH_ADM5120_P334WH),
ZYXEL_BOARD(ZYNOS_BOARD_P334WHD, MACH_ADM5120_P334WHD),
ZYXEL_BOARD(ZYNOS_BOARD_P334WT, MACH_ADM5120_P334WT),
ZYXEL_BOARD(ZYNOS_BOARD_P335, MACH_ADM5120_P335),
ZYXEL_BOARD(ZYNOS_BOARD_P335PLUS, MACH_ADM5120_P335PLUS),
ZYXEL_BOARD(ZYNOS_BOARD_P335U, MACH_ADM5120_P335U)
};
static unsigned long __init detect_machtype_bootbase(void)
{
unsigned long ret;
int i;
ret = MACH_ADM5120_GENERIC;
for (i=0; i<ARRAY_SIZE(zynos_boards); i++) {
if (zynos_boards[i].vendor_id == bootbase_info.vendor_id &&
zynos_boards[i].board_id == bootbase_info.board_id) {
ret = zynos_boards[i].mach_type;
break;
}
}
@@ -98,29 +162,108 @@ char *prom_getenv(char *envname)
return ret;
}
extern char _image_cmdline;
/*
* initialize the prom module.
*/
void __init prom_init(void)
{
char *cmd;
static struct {
unsigned long mach_type;
u16 vid;
u16 did;
u16 svid;
u16 sdid;
} mylo_boards[] __initdata = {
#define MYLO_BOARD(v,d,sv,sd,mt) { .vid = (v), .did = (d), .svid = (sv), \
.sdid = (sd), .mach_type = (mt) }
#define COMPEX_BOARD(d,mt) MYLO_BOARD(VENID_COMPEX,(d),VENID_COMPEX,(d),(mt))
if ((fw_arg2 & 3) == 0) {
prom_envp = (char **)fw_arg2;
COMPEX_BOARD(DEVID_COMPEX_NP27G, MACH_ADM5120_NP27G),
COMPEX_BOARD(DEVID_COMPEX_NP28G, MACH_ADM5120_NP28G),
COMPEX_BOARD(DEVID_COMPEX_NP28GHS, MACH_ADM5120_NP28GHS),
COMPEX_BOARD(DEVID_COMPEX_WP54G, MACH_ADM5120_WP54G),
COMPEX_BOARD(DEVID_COMPEX_WP54Gv1C, MACH_ADM5120_WP54Gv1C),
COMPEX_BOARD(DEVID_COMPEX_WP54AG, MACH_ADM5120_WP54AG),
COMPEX_BOARD(DEVID_COMPEX_WPP54G, MACH_ADM5120_WPP54G),
COMPEX_BOARD(DEVID_COMPEX_WPP54AG, MACH_ADM5120_WPP54AG),
};
static unsigned long __init detect_machtype_myloader(void)
{
unsigned long ret;
int i;
ret = MACH_ADM5120_GENERIC;
for (i=0; i<ARRAY_SIZE(mylo_boards); i++) {
if (mylo_boards[i].vid == myloader_info.vid &&
mylo_boards[i].did == myloader_info.did &&
mylo_boards[i].svid == myloader_info.svid &&
mylo_boards[i].sdid == myloader_info.sdid) {
ret = mylo_boards[i].mach_type;
break;
}
}
adm5120_info_init();
return ret;
}
/* you should these macros defined in include/asm/bootinfo.h */
mips_machgroup = MACH_GROUP_ADM5120;
mips_machtype = adm5120_board.mach_type;
static void __init prom_detect_machtype(void)
{
if (bootbase_present()) {
adm5120_prom_type = ADM5120_PROM_BOOTBASE;
mips_machtype = detect_machtype_bootbase();
return;
}
if (cfe_present()) {
adm5120_prom_type = ADM5120_PROM_CFE;
mips_machtype = detect_machtype_cfe();
return;
}
if (myloader_present()) {
adm5120_prom_type = ADM5120_PROM_MYLOADER;
mips_machtype = detect_machtype_myloader();
return;
}
if (routerboot_present()) {
adm5120_prom_type = ADM5120_PROM_ROUTERBOOT;
mips_machtype = detect_machtype_routerboot();
return;
}
adm5120_prom_type = ADM5120_PROM_GENERIC;
mips_machtype = detect_machtype_generic();
}
/* TODO: this is an ugly hack for RouterBOARDS */
extern char _image_cmdline;
static void __init prom_init_cmdline(void)
{
char *cmd;
/* init command line, register a default kernel command line */
cmd = &_image_cmdline + 8;
if( strlen(cmd) > 0) strcpy( &(arcs_cmdline[0]), cmd);
else strcpy(&(arcs_cmdline[0]), CONFIG_CMDLINE);
/* init memory map */
prom_meminit();
}
#define UART_READ(r) *(volatile u32 *)(KSEG1ADDR(ADM5120_UART0_BASE)+(r))
#define UART_WRITE(r,v) *(volatile u32 *)(KSEG1ADDR(ADM5120_UART0_BASE)+(r))=(v)
void __init prom_putchar(char ch)
{
while ((UART_READ(UART_REG_FLAG) & UART_FLAG_TXFE) == 0);
UART_WRITE(UART_REG_DATA, ch);
while ((UART_READ(UART_REG_FLAG) & UART_FLAG_TXFE) == 0);
}
void __init prom_init(void)
{
mips_machgroup = MACH_GROUP_ADM5120;
prom_detect_machtype();
prom_init_cmdline();
}
void __init prom_free_prom_memory(void)
{
/* We do not have to prom memory to free */
}