/*
- * $Id$
+ * $Id$
*
- * Copyright (C) 2007 OpenWrt.org
- * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ * Copyright (C) 2007 OpenWrt.org
+ * Copyright (C) 2007 Gabor Juhos <juhosg@freemail.hu>
+ *
+ * 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.
*
- * 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.
*/
#include <linux/types.h>
-#include <linux/autoconf.h>
#include <linux/kernel.h>
#include <linux/init.h>
-#include <linux/string.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_switch.h>
-#include <asm/mach-adm5120/adm5120_info.h>
-#include <asm/mach-adm5120/myloader.h>
-#include <asm/mach-adm5120/routerboot.h>
-#include <asm/mach-adm5120/zynos.h>
-
-/*
- * Globals
- */
-struct adm5120_board adm5120_board;
-unsigned int adm5120_boot_loader;
unsigned int adm5120_product_code;
unsigned int adm5120_revision;
unsigned int adm5120_package;
unsigned int adm5120_nand_boot;
unsigned long adm5120_speed;
-unsigned long adm5120_memsize;
-
-/*
- * Locals
- */
-static char *boot_loader_names[BOOT_LOADER_LAST+1] = {
- [BOOT_LOADER_UNKNOWN] = "Unknown",
- [BOOT_LOADER_CFE] = "CFE",
- [BOOT_LOADER_UBOOT] = "U-Boot",
- [BOOT_LOADER_MYLOADER] = "MyLoader",
- [BOOT_LOADER_ROUTERBOOT]= "RouterBOOT",
- [BOOT_LOADER_BOOTBASE] = "Bootbase"
-};
-
-static struct adm5120_board __initdata adm5120_boards[] = {
- {
- .name = "Compex NetPassage 27G",
- .mach_type = MACH_ADM5120_NP27G,
- .has_usb = 1,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex NetPassage 28G",
- .mach_type = MACH_ADM5120_NP28G,
- .has_usb = 0,
- .iface_num = 4,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex NP28G (HotSpot)",
- .mach_type = MACH_ADM5120_NP28GHS,
- .has_usb = 0,
- .iface_num = 4,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex WP54AG",
- .mach_type = MACH_ADM5120_WP54AG,
- .has_usb = 0,
- .iface_num = 2,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex WP54G",
- .mach_type = MACH_ADM5120_WP54G,
- .has_usb = 0,
- .iface_num = 2,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex WP54G-WRT",
- .mach_type = MACH_ADM5120_WP54G_WRT,
- .has_usb = 0,
- .iface_num = 2,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex WP54G v1C",
- .mach_type = MACH_ADM5120_WP54Gv1C,
- .has_usb = 0,
- .iface_num = 2,
- .flash0_size = 2*1024*1024,
- },
- {
- .name = "Compex WPP54AG",
- .mach_type = MACH_ADM5120_WPP54AG,
- .has_usb = 0,
- .iface_num = 2,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Compex WPP54G",
- .mach_type = MACH_ADM5120_WPP54G,
- .has_usb = 0,
- .iface_num = 2,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "RouterBOARD 111",
- .mach_type = MACH_ADM5120_RB_111,
- .has_usb = 0,
- .iface_num = 1,
- .flash0_size = 128*1024,
- },
- {
- .name = "RouterBOARD 112",
- .mach_type = MACH_ADM5120_RB_112,
- .has_usb = 0,
- .iface_num = 1,
- .flash0_size = 128*1024,
- },
- {
- .name = "RouterBOARD 133",
- .mach_type = MACH_ADM5120_RB_133,
- .has_usb = 0,
- .iface_num = 3,
- .flash0_size = 128*1024,
- },
- {
- .name = "RouterBOARD 133C",
- .mach_type = MACH_ADM5120_RB_133C,
- .has_usb = 0,
- .iface_num = 1,
- .flash0_size = 128*1024,
- },
- {
- .name = "RouterBOARD 150",
- .mach_type = MACH_ADM5120_RB_150,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 128*1024,
- },
- {
- .name = "RouterBOARD 153",
- .mach_type = MACH_ADM5120_RB_153,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 128*1024,
- },
- {
- .name = "ZyXEL ES-2108",
- .mach_type = MACH_ADM5120_ES2108,
- .has_usb = 0,
- .iface_num = 0,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL ES-2108-F",
- .mach_type = MACH_ADM5120_ES2108F,
- .has_usb = 0,
- .iface_num = 0,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL ES-2108-G",
- .mach_type = MACH_ADM5120_ES2108G,
- .has_usb = 0,
- .iface_num = 0,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL ES-2108-LC",
- .mach_type = MACH_ADM5120_ES2108LC,
- .has_usb = 0,
- .iface_num = 0,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL ES-2108PWR",
- .mach_type = MACH_ADM5120_ES2108PWR,
- .has_usb = 0,
- .iface_num = 0,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL HomeSafe 100/100W",
- .mach_type = MACH_ADM5120_HS100,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 334",
- .mach_type = MACH_ADM5120_P334,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 2*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 334U",
- .mach_type = MACH_ADM5120_P334U,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 334W",
- .mach_type = MACH_ADM5120_P334W,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 2*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 334WH",
- .mach_type = MACH_ADM5120_P334WH,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 334WHD",
- .mach_type = MACH_ADM5120_P334WHD,
- .has_usb = 0,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 334WT",
- .mach_type = MACH_ADM5120_P334WT,
- .has_usb = 1,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 335/335WT",
- .mach_type = MACH_ADM5120_P335,
- .has_usb = 1,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 335Plus",
- .mach_type = MACH_ADM5120_P335PLUS,
- .has_usb = 1,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "ZyXEL Prestige 335U",
- .mach_type = MACH_ADM5120_P335U,
- .has_usb = 1,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- },
- {
- .name = "Unknown ADM5120 board",
- .mach_type = MACH_ADM5120_UNKNOWN,
- .has_usb = 1,
- .iface_num = 5,
- .flash0_size = 4*1024*1024,
- }
-};
-
-#define DUMMY_BOARD() {.mach_type = MACH_ADM5120_UNKNOWN}
-
-struct mylo_board {
- u16 vid;
- u16 did;
- u16 svid;
- u16 sdid;
- unsigned long mach_type;
-};
-
-
-#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))
-
-static struct mylo_board __initdata mylo_boards[] = {
- 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),
- DUMMY_BOARD()
-};
-
-#define ROUTERBOARD_NAME_LEN 16
-
-struct routerboard {
- unsigned long mach_type;
- char name[ROUTERBOARD_NAME_LEN];
-};
-
-#define ROUTERBOARD(n, mt) { .name = (n), .mach_type = (mt) }
-static struct routerboard __initdata routerboards[] = {
- ROUTERBOARD("111", MACH_ADM5120_RB_111),
- ROUTERBOARD("112", MACH_ADM5120_RB_112),
- ROUTERBOARD("133", MACH_ADM5120_RB_133),
- ROUTERBOARD("133C", MACH_ADM5120_RB_133C),
- ROUTERBOARD("miniROUTER", MACH_ADM5120_RB_150),
- ROUTERBOARD("153", MACH_ADM5120_RB_150),
- DUMMY_BOARD()
-};
-
-struct zynos_board {
- unsigned long mach_type;
- unsigned int vendor_id;
- u16 board_id;
-};
-
-#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)
-
-static struct zynos_board __initdata zynos_boards[] = {
- 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),
- DUMMY_BOARD()
-};
-
-/*
- * Helper routines
- */
-static inline u16 read_le16(void *buf)
-{
- u8 *p;
-
- p = buf;
- return ((u16)p[0] + ((u16)p[1] << 8));
-}
-
-static inline u32 read_le32(void *buf)
-{
- u8 *p;
-
- p = buf;
- return ((u32)p[0] + ((u32)p[1] << 8) + ((u32)p[2] << 16) +
- ((u32)p[3] << 24));
-}
-
-static inline u16 read_be16(void *buf)
-{
- u8 *p;
-
- p = buf;
- return (((u16)p[0] << 8) + (u16)p[1]);
-}
-
-static inline u32 read_be32(void *buf)
-{
- u8 *p;
-
- p = buf;
- return (((u32)p[0] << 24) + ((u32)p[1] << 16) + ((u32)p[2] << 8) +
- ((u32)p[3]));
-}
-
-/*
- * CFE based boards
- */
-#define CFE_EPTSEAL 0x43464531 /* CFE1 is the magic number to recognize CFE
-from other bootloaders */
-
-static int __init cfe_present(void)
-{
- /*
- * This method only works, when we are booted directly from the CFE.
- */
- u32 cfe_handle = (u32) fw_arg0;
- u32 cfe_a1_val = (u32) fw_arg1;
- u32 cfe_entry = (u32) fw_arg2;
- u32 cfe_seal = (u32) fw_arg3;
-
- /* Check for CFE by finding the CFE magic number */
- if (cfe_seal != CFE_EPTSEAL) {
- /* We are not booted from CFE */
- return 0;
- }
-
- /* cfe_a1_val must be 0, because only one CPU present in the ADM5120 */
- if (cfe_a1_val != 0) {
- return 0;
- }
-
- /* The cfe_handle, and the cfe_entry must be kernel mode addresses */
- if ((cfe_handle < KSEG0) || (cfe_entry < KSEG0)) {
- return 0;
- }
-
- return 1;
-}
-
-static unsigned long __init cfe_detect_board(void)
-{
- return MACH_ADM5120_WP54G_WRT;
-}
-
-/*
- * MyLoader based boards
- */
-#define SYS_PARAMS_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x0F000)
-#define BOARD_PARAMS_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x0F800)
-#define PART_TABLE_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x10000)
-
-static unsigned long __init myloader_detect_board(void)
-{
- struct mylo_system_params *sysp;
- struct mylo_board_params *boardp;
- struct mylo_partition_table *parts;
- struct mylo_board *board;
- unsigned long ret;
-
- ret = MACH_ADM5120_UNKNOWN;
-
- sysp = (struct mylo_system_params *)(SYS_PARAMS_ADDR);
- boardp = (struct mylo_board_params *)(BOARD_PARAMS_ADDR);
- parts = (struct mylo_partition_table *)(PART_TABLE_ADDR);
-
- /* Check for some magic numbers */
- if ((le32_to_cpu(sysp->magic) != MYLO_MAGIC_SYS_PARAMS) ||
- (le32_to_cpu(boardp->magic) != MYLO_MAGIC_BOARD_PARAMS) ||
- (le32_to_cpu(parts->magic) != MYLO_MAGIC_PARTITIONS))
- goto out;
-
- for (board = mylo_boards; board->mach_type != MACH_ADM5120_UNKNOWN;
- board++) {
- if ((le16_to_cpu(sysp->vid) == board->vid) &&
- (le16_to_cpu(sysp->did) == board->did) &&
- (le16_to_cpu(sysp->svid) == board->svid) &&
- (le16_to_cpu(sysp->sdid) == board->sdid)) {
- ret = board->mach_type;
- break;
- }
- }
-
- /* assume MyLoader as the boot-loader */
- adm5120_boot_loader = BOOT_LOADER_MYLOADER;
-
-out:
- return ret;
-}
-
-/*
- * RouterBOOT based boards
- */
-static int __init routerboot_load_hs(u8 *buf, u16 buflen,
- struct rb_hard_settings *hs)
-{
- u16 id,len;
- u8 *mac;
- int i,j;
-
- if (buflen < 4)
- return -1;
-
- if (read_le32(buf) != RB_MAGIC_HARD)
- return -1;
-
- /* skip magic value */
- buf += 4;
- buflen -= 4;
-
- while (buflen > 2) {
- id = read_le16(buf);
- buf += 2;
- buflen -= 2;
- if (id == RB_ID_TERMINATOR || buflen < 2)
- break;
-
- len = read_le16(buf);
- buf += 2;
- buflen -= 2;
-
- if (buflen < len)
- break;
-
- switch (id) {
- case RB_ID_BIOS_VERSION:
- hs->bios_ver = (char *)buf;
- break;
- case RB_ID_BOARD_NAME:
- hs->name = (char *)buf;
- break;
- case RB_ID_MEMORY_SIZE:
- hs->mem_size = read_le32(buf);
- break;
- case RB_ID_MAC_ADDRESS_COUNT:
- hs->mac_count = read_le32(buf);
- break;
- case RB_ID_MAC_ADDRESS_PACK:
- hs->mac_count = len/RB_MAC_SIZE;
- if (hs->mac_count > RB_MAX_MAC_COUNT)
- hs->mac_count = RB_MAX_MAC_COUNT;
- mac = buf;
- for (i=0; i < hs->mac_count; i++) {
- for (j=0; j < RB_MAC_SIZE; j++)
- hs->macs[i][j] = mac[j];
- mac += RB_MAC_SIZE;
- }
- break;
- }
-
- buf += len;
- buflen -= len;
-
- }
-
- return 0;
-}
-
-#define RB_BS_OFFS 0x14
-#define RB_OFFS_MAX (128*1024)
-
-static unsigned long __init routerboot_detect_board(void)
-{
- struct routerboard *board;
- struct rb_hard_settings hs;
- struct rb_bios_settings *bs;
- u8 *base;
- u32 off,len;
- unsigned long ret;
-
- ret = MACH_ADM5120_UNKNOWN;
-
- base = (u8 *)KSEG1ADDR(ADM5120_SRAM0_BASE);
- bs = (struct rb_bios_settings *)(base + RB_BS_OFFS);
-
- off = read_le32(&bs->hs_offs);
- len = read_le32(&bs->hs_size);
- if (off > RB_OFFS_MAX)
- return ret;
-
- memset(&hs, 0, sizeof(hs));
- if (routerboot_load_hs(base+off, len, &hs) != 0)
- return ret;
-
- /* assume RouterBOOT as the boot-loader */
- adm5120_boot_loader = BOOT_LOADER_ROUTERBOOT;
-
- if (hs.name == NULL)
- return ret;
-
- for (board = routerboards; board->mach_type != MACH_ADM5120_UNKNOWN;
- board++) {
- if (strncmp(board->name, hs.name, strlen(board->name)) == 0) {
- ret = board->mach_type;
- break;
- }
- }
-
- return ret;
-}
-
-/*
- * ZyNOS based boards
- */
-static inline u32 zynos_dbgarea_present(u8 *data)
-{
- u32 t;
-
- t = read_be32(data+5);
- if (t != ZYNOS_MAGIC_DBGAREA1)
- return 0;
-
- t = read_be32(data+9);
- if (t != ZYNOS_MAGIC_DBGAREA2)
- return 0;
-
- return 1;
-}
-
-#define CHECK_VENDOR(n) (strnicmp(vendor,(n),strlen(n)) == 0)
-
-static inline unsigned int zynos_get_vendor_id(struct zynos_board_info *info)
-{
- unsigned char vendor[ZYNOS_NAME_LEN];
- int i;
-
- for (i=0; i<ZYNOS_NAME_LEN; i++)
- vendor[i]=info->vendor[i];
-
- if CHECK_VENDOR(ZYNOS_VENDOR_ZYXEL)
- return ZYNOS_VENDOR_ID_ZYXEL;
-#if 0
- /* TODO: there are no known ADM5120 based boards from other vendors */
- if CHECK_VENDOR(ZYNOS_VENDOR_DLINK)
- return ZYNOS_VENDOR_ID_DLINK;
-
- if CHECK_VENDOR(ZYNOS_VENDOR_LUCENT)
- return ZYNOS_VENDOR_ID_LUCENT;
-
- if CHECK_VENDOR(ZYNOS_VENDOR_NETGEAR)
- return ZYNOS_VENDOR_ID_NETGEAR;
-#endif
-
- return ZYNOS_VENDOR_ID_OTHER;
-}
-
-static inline u16 zynos_get_board_id(struct zynos_board_info *info)
-{
- return read_be16(&info->board_id);
-}
-
-static inline u32 zynos_get_bootext_addr(struct zynos_board_info *info)
-{
- return read_be32(&info->bootext_addr);
-}
-
-
-#define ZYNOS_INFO_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x3F90)
-#define ZYNOS_HDBG_ADDR KSEG1ADDR(ADM5120_SRAM0_BASE+0x4000)
-#define BOOTEXT_ADDR_MIN KSEG1ADDR(ADM5120_SRAM0_BASE)
-#define BOOTEXT_ADDR_MAX (BOOTEXT_ADDR_MIN + (2*1024*1024))
-
-static unsigned long __init zynos_detect_board(void)
-{
- struct zynos_board_info *info;
- struct zynos_board *board;
- unsigned int vendor_id;
- u16 board_id;
- u32 t;
- unsigned long ret;
-
- ret = MACH_ADM5120_UNKNOWN;
- /* check presence of the dbgarea */
- if (zynos_dbgarea_present((u8 *)ZYNOS_HDBG_ADDR) == 0)
- goto out;
-
- info = (struct zynos_board_info *)(ZYNOS_INFO_ADDR);
-
- /* check for a valid BootExt address */
- t = zynos_get_bootext_addr(info);
- if ((t < BOOTEXT_ADDR_MIN) || (t > BOOTEXT_ADDR_MAX))
- goto out;
-
- vendor_id = zynos_get_vendor_id(info);
- board_id = zynos_get_board_id(info);
-
- for (board = zynos_boards; board->mach_type != MACH_ADM5120_UNKNOWN;
- board++) {
- if ((board->vendor_id == vendor_id) &&
- (board->board_id == board_id)) {
- ret = board->mach_type;
- break;
- }
- }
-
- /* assume Bootbase as the boot-loader */
- adm5120_boot_loader = BOOT_LOADER_BOOTBASE;
-
-out:
- return ret;
-}
-
-/*
- * U-Boot based boards
- */
-static int __init uboot_present(void)
-{
- /* FIXME: not yet implemented */
- return 0;
-}
-
-static unsigned long __init uboot_detect_board(void)
-{
- /* FIXME: not yet implemented */
- return MACH_ADM5120_UNKNOWN;
-}
-
-static void __init adm5120_detect_board(void)
-{
- struct adm5120_board *board;
- unsigned long t;
-
- adm5120_boot_loader = BOOT_LOADER_UNKNOWN;
-
- /* Try to detect board type without bootloader */
- t = routerboot_detect_board();
-
- if (t == MACH_ADM5120_UNKNOWN)
- t = zynos_detect_board();
-
- if (t == MACH_ADM5120_UNKNOWN)
- t = myloader_detect_board();
-
- /* Try to detect bootloader type */
- if (cfe_present()) {
- adm5120_boot_loader = BOOT_LOADER_CFE;
- if (t == MACH_ADM5120_UNKNOWN)
- t = cfe_detect_board();
- } else if (uboot_present()) {
- adm5120_boot_loader = BOOT_LOADER_UBOOT;
- if (t == MACH_ADM5120_UNKNOWN)
- t = uboot_detect_board();
- }
-
- for (board = adm5120_boards; board->mach_type != MACH_ADM5120_UNKNOWN;
- board++) {
- if (board->mach_type == t)
- break;
- }
-
- memcpy(&adm5120_board, board, sizeof(adm5120_board));
-}
#define SWITCH_READ(r) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))
#define SWITCH_WRITE(r,v) *(u32 *)(KSEG1ADDR(ADM5120_SWITCH_BASE)+(r))=(v)
#define CODE_GET_CLKS(c) (((c) >> CODE_CLKS_SHIFT) & CODE_CLKS_MASK)
#define CODE_GET_NAB(c) (((c) & CODE_NAB) != 0)
-static void __init adm5120_detect_cpuinfo(void)
+void adm5120_ndelay(u32 ns)
+{
+ u32 t;
+
+ SWITCH_WRITE(SWITCH_REG_TIMER, TIMER_PERIOD_DEFAULT);
+ SWITCH_WRITE(SWITCH_REG_TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM));
+
+ t = (ns+640) / 640;
+ t &= TIMER_PERIOD_MASK;
+ SWITCH_WRITE(SWITCH_REG_TIMER, t | TIMER_TE);
+
+ /* wait until the timer expires */
+ do {
+ t = SWITCH_READ(SWITCH_REG_TIMER_INT);
+ } while ((t & TIMER_INT_TOS) == 0);
+
+ /* leave the timer disabled */
+ SWITCH_WRITE(SWITCH_REG_TIMER, TIMER_PERIOD_DEFAULT);
+ SWITCH_WRITE(SWITCH_REG_TIMER_INT, (TIMER_INT_TOS | TIMER_INT_TOM));
+}
+
+void __init adm5120_soc_init(void)
{
u32 code;
u32 clks;
if (clks & 2)
adm5120_speed += 50000000;
}
-
-#if 1
-# define mem_dbg(f, ...) prom_printf("mem_detect: " f, ## __VA_ARGS__)
-extern void prom_printf(char *, ...);
-#else
-# define mem_dbg(f, ...)
-#endif
-
-static void __init adm5120_detect_memsize(void)
-{
- u32 memctrl;
- u32 size, maxsize;
- volatile u8 *p,*r;
- u8 t;
-
- memctrl = SWITCH_READ(SWITCH_REG_MEMCTRL);
- switch (memctrl & MEMCTRL_SDRS_MASK) {
- case MEMCTRL_SDRS_4M:
- maxsize = 4 << 20;
- break;
- case MEMCTRL_SDRS_8M:
- maxsize = 8 << 20;
- break;
- case MEMCTRL_SDRS_16M:
- maxsize = 16 << 20;
- break;
- default:
- maxsize = 64 << 20;
- break;
- }
-
- /* FIXME: need to disable buffers for both SDRAM bank? */
-
- mem_dbg("checking for %ldMB chip\n",maxsize >> 20);
-
- /* detect size of the 1st SDRAM bank */
- p = (volatile u8 *)KSEG1ADDR(0);
- t = *p;
- for (size = 2<<20; size <= (maxsize >> 1); size <<= 1) {
-#if 1
- r = (p+size);
- *p = 0x55;
- mem_dbg("1st pattern at 0x%lx is 0x%02x\n", size, *r);
- if (*r == 0x55) {
- *p = 0xAA;
- mem_dbg("2nd pattern at 0x%lx is 0x%02x\n", size, *r);
- if (*r == 0xAA) {
- /* mirrored address */
- mem_dbg("mirrored data found at 0x%lx\n", size);
- break;
- }
- }
-#else
- p[0] = 0x55;
- mem_dbg("1st pattern at 0x%lx is 0x%02x\n", size, p[size]);
- if (p[size] != 0x55)
- continue;
-
- p[0] = 0xAA;
- mem_dbg("2nd pattern at 0x%lx is 0x%02x\n", size, p[size]);
- if (p[size] != 0xAA)
- continue;
-
- /* mirrored address */
- mem_dbg("mirrored data found at 0x%lx\n", size);
- break;
-#endif
- }
- *p = t;
-
- mem_dbg("%ldMB chip found\n", size >> 20);
-
- if (size == (32 << 20))
- /* if bank size is 32MB, 2nd bank is not supported */
- goto out;
-
- if ((memctrl & MEMCTRL_SDR1_ENABLE) == 0)
- /* if 2nd bank is not enabled, we are done */
- goto out;
-
- /*
- * some bootloaders enable 2nd bank, even if the 2nd SDRAM chip
- * are missing.
- */
- mem_dbg("checking second bank\n");
- p += (maxsize+size)-1;
- t = *p;
- *p = 0x55;
- if (*p != 0x55)
- goto out;
-
- *p = 0xAA;
- if (*p != 0xAA)
- goto out;
-
- *p = t;
- if (maxsize != size) {
- /* adjusting MECTRL register */
- memctrl &= ~(MEMCTRL_SDRS_MASK);
- switch (size>>20) {
- case 4:
- memctrl |= MEMCTRL_SDRS_4M;
- break;
- case 8:
- memctrl |= MEMCTRL_SDRS_8M;
- break;
- case 16:
- memctrl |= MEMCTRL_SDRS_16M;
- break;
- default:
- memctrl |= MEMCTRL_SDRS_64M;
- break;
- }
- SWITCH_WRITE(SWITCH_REG_MEMCTRL, memctrl);
- }
- size <<= 1;
-
-out:
- adm5120_memsize = size;
- mem_dbg("%ldMB memory found\n",size>>20);
-}
-
-void __init adm5120_info_show(void)
-{
- /* FIXME: move this somewhere else */
- printk("ADM%04X%s revision %d, running at %ldMHz\n",
- adm5120_product_code,
- (adm5120_package == ADM5120_PACKAGE_BGA) ? "" : "P",
- adm5120_revision, (adm5120_speed / 1000000)
- );
- printk("Boot loader is: %s\n", boot_loader_names[adm5120_boot_loader]);
- printk("Booted from : %s flash\n", adm5120_nand_boot ? "NAND":"NOR");
- printk("Board is : %s\n", adm5120_board_name());
- printk("Memory size : %ldMB\n", adm5120_memsize >> 20);
-}
-
-void __init adm5120_info_init(void)
-{
- adm5120_detect_cpuinfo();
- adm5120_detect_memsize();
- adm5120_detect_board();
-
- adm5120_info_show();
-}
projects / openwrt.git / blobdiff