-/*****************************************************************************
- * Carsten Langgaard, carstenl@mips.com
- * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved.
- * Copyright (C) 2003 ADMtek Incorporated.
- * daniell@admtek.com.tw
+/*
+ * $Id$
+ *
+ * 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>
-/* boot loaders specific definitions */
-#define CFE_EPTSEAL 0x43464531 /* CFE1 is the magic number to recognize CFE from other bootloaders */
-#define CFE 1
-#define UBOOT 2
-#define MYLOADER 3
-#define UNKNOWN 0
+#include <asm/mach-adm5120/adm5120_info.h>
+#include <asm/mach-adm5120/adm5120_defs.h>
+#include <asm/mach-adm5120/adm5120_uart.h>
+
+#include <prom/cfe.h>
+#include <prom/generic.h>
+#include <prom/routerboot.h>
+#include <prom/myloader.h>
+#include <prom/zynos.h>
+
+unsigned int adm5120_prom_type = ADM5120_PROM_GENERIC;
+
+struct board_desc {
+ unsigned long mach_type;
+ char *name;
+};
-void setup_prom_printf(int);
-void prom_printf(char *, ...);
-void prom_meminit(void);
+#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 5120P-ATA", MACH_ADM5120_EASY5120PATA),
+ DEFBOARD("EASY 5120-RT", MACH_ADM5120_EASY5120RT),
+ DEFBOARD("EASY 5120-WVoIP", MACH_ADM5120_EASY5120WVOIP),
+ 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),
+};
-/* we assume we don't know the boot loader by default */
-int boot_loader_type = UNKNOWN;
+static unsigned long __init find_machtype_byname(char *name)
+{
+ unsigned long ret;
+ int i;
-#define ADM5120_ENVC 1
+ ret = MACH_ADM5120_GENERIC;
+ if (name == NULL)
+ goto out;
-char *adm5120_envp[2*ADM5120_ENVC] = {"memsize","0x001000000"};
+ if (*name == '\0')
+ goto out;
-#define READCSR(r) *(volatile unsigned long *)(0xB2600000+(r))
-#define WRITECSR(r,v) *(volatile unsigned long *)(0xB2600000+(r)) = v
+ for (i=0; i<ARRAY_SIZE(common_boards); i++) {
+ if (strcmp(common_boards[i].name, name) == 0) {
+ ret = common_boards[i].mach_type;
+ break;
+ }
+ }
-#define UART_DR_REG 0x00
-#define UART_FR_REG 0x18
-#define UART_TX_FIFO_FULL 0x20
+out:
+ return ret;
+}
-int putPromChar(char c)
+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_name");
+ 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)
{
- int i, index=0;
+ 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;
+}
- i = strlen(envname);
+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))
- printk(KERN_INFO "GETENV: envname is %s\n", envname);
+ 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),
+};
- while(index < (2*ADM5120_ENVC)) {
- if(strncmp(envname, adm5120_envp[index], i) == 0) {
- printk(KERN_INFO "GETENV: returning %s\n", adm5120_envp[index+1]);
- return(adm5120_envp[index+1]);
+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;
}
- index += 2;
}
- printk(KERN_INFO "GETENV: not found.\n");
- return(NULL);
+ return ret;
}
-
-/*
- * initialize the prom module.
- */
-void __init prom_init(void)
+
+static void __init prom_detect_machtype(void)
{
- /* you should these macros defined in include/asm/bootinfo.h */
- mips_machgroup = MACH_GROUP_ADM_GW;
- mips_machtype = MACH_ADM_GW_5120;
+ if (bootbase_present()) {
+ adm5120_prom_type = ADM5120_PROM_BOOTBASE;
+ mips_machtype = detect_machtype_bootbase();
+ return;
+ }
- /* init command line, register a default kernel command line */
- strcpy(&(arcs_cmdline[0]), "console=ttyS0,115200 rootfstype=squashfs,jffs2 init=/etc/preinit");
-
- /* check for CFE by finding the CFE magic number */
- int *prom_vec = (int *) fw_arg3;
- int argc = fw_arg0;
- unsigned int cfe_eptseal;
-
- if (argc < 0)
- cfe_eptseal = (uint32_t)(unsigned long)prom_vec;
- else {
- if ((int32_t)(long)prom_vec < 0)
- /*
- * Old loaders all it gives us is the handle,
- * so assume the seal.
- */
- cfe_eptseal = CFE_EPTSEAL;
- else
- /*
- * Newer loaders bundle the handle/ept/eptseal
- */
- cfe_eptseal = (unsigned int)((uint32_t *)prom_vec)[3];
+ 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 (cfe_eptseal == CFE_EPTSEAL) {
- boot_loader_type = CFE;
- printk("adm5120 : CFE boot loader\n");
+
+ if (routerboot_present()) {
+ adm5120_prom_type = ADM5120_PROM_ROUTERBOOT;
+ mips_machtype = detect_machtype_routerboot();
+ return;
+ }
+
+ if (generic_prom_present()) {
+ adm5120_prom_type = ADM5120_PROM_GENERIC;
+ mips_machtype = detect_machtype_generic();
+ return;
}
- /* init memory map */
- prom_meminit();
+ mips_machtype = MACH_ADM5120_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);
+
+}
+
+#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 */
}
projects / openwrt.git / blobdiff