diff options
Diffstat (limited to 'target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c')
| -rw-r--r-- | target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c | 295 |
1 files changed, 219 insertions, 76 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c index c2e1dcbae1..97ecc99bc9 100644 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/prom.c @@ -1,96 +1,200 @@ -/***************************************************************************** - * 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 +/* + * $Id$ + * + * ADM5120 specific prom routines * - * 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. + * Copyright (C) 2007 OpenWrt.org + * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu> * - * 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. + * 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. * - * 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 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 +static unsigned long __init find_machtype_byname(char *name) +{ + unsigned long ret; + int i; + + ret = MACH_ADM5120_GENERIC; + if (name == NULL) + goto out; -int putPromChar(char c) + 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; +} + +static unsigned long __init detect_machtype_routerboot(void) { - WRITECSR(UART_DR_REG, c); - while ( (READCSR(UART_FR_REG) & UART_TX_FIFO_FULL) ); - return 0; + char *name; + + name = routerboot_get_boardname(); + return find_machtype_byname(name); } -/* - * Ugly prom_printf used for debugging - */ +static unsigned long __init detect_machtype_generic(void) +{ + char *name; + + name = generic_prom_getenv("board"); + return find_machtype_byname(name); +} -void prom_printf(char *fmt, ...) +unsigned long __init detect_machtype_cfe(void) { - va_list args; - int l; - char *p, *buf_end; - char buf[1024]; - - 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); - } + char *name; + + name = cfe_getenv("BOARD_NAME"); + return find_machtype_byname(name); } -char *prom_getenv(char *envname) +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) { - char **env; - char *ret; + 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; + } + } + + return ret; +} - ret = NULL; +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 (prom_envp== NULL) - return NULL; + 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), +}; - for (env = prom_envp; *env != NULL; env++) { - if (strcmp(envname, *env++) == 0) { - ret = *env; +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; } } @@ -98,29 +202,68 @@ char *prom_getenv(char *envname) return ret; } -extern char _image_cmdline; -/* - * initialize the prom module. - */ -void __init prom_init(void) +static void __init prom_detect_machtype(void) { - char *cmd; + if (bootbase_present()) { + adm5120_prom_type = ADM5120_PROM_BOOTBASE; + mips_machtype = detect_machtype_bootbase(); + return; + } - if ((fw_arg2 & 3) == 0) { - prom_envp = (char **)fw_arg2; + if (cfe_present()) { + adm5120_prom_type = ADM5120_PROM_CFE; + mips_machtype = detect_machtype_cfe(); + return; } - adm5120_info_init(); + if (myloader_present()) { + adm5120_prom_type = ADM5120_PROM_MYLOADER; + mips_machtype = detect_machtype_myloader(); + return; + } - /* you should these macros defined in include/asm/bootinfo.h */ - mips_machgroup = MACH_GROUP_ADM5120; - mips_machtype = adm5120_board.mach_type; + 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 */ } |