diff options
Diffstat (limited to 'target/linux')
| -rw-r--r-- | target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c | 105 | ||||
| -rw-r--r-- | target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/zynos.h | 25 |
2 files changed, 100 insertions, 30 deletions
diff --git a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c index 2ba21b892..67b3e42ee 100644 --- a/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c +++ b/target/linux/adm5120-2.6/files/arch/mips/adm5120/adm5120_info.c @@ -235,6 +235,8 @@ static struct adm5120_board __initdata adm5120_boards[] = { } }; +#define DUMMY_BOARD() {.mach_type = MACH_ADM5120_UNKNOWN} + struct mylo_board { u16 vid; u16 did; @@ -243,7 +245,6 @@ struct mylo_board { unsigned long mach_type; }; -#define DUMMY_BOARD() {.mach_type = MACH_ADM5120_UNKNOWN} #define MYLO_BOARD(v,d,sv,sd,mt) { .vid = (v), .did = (d), .svid = (sv), \ .sdid = (sd), .mach_type = (mt) } @@ -286,11 +287,6 @@ struct zynos_board { u16 board_id; }; -#define ZYNOS_VENDOR_ID_INVALID 0 -#define ZYNOS_VENDOR_ID_ZYXEL 1 -#define ZYNOS_VENDOR_ID_DLINK 2 -#define ZYNOS_VENDOR_ID_LUCENT 3 - #define ZYNOS_BOARD(vi, bi, mt) { .vendor_id = (vi), .board_id = (bi), \ .mach_type = (mt) } @@ -332,6 +328,23 @@ static inline u32 read_le32(void *buf) ((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 */ @@ -496,56 +509,92 @@ out: /* * ZyNOS based boards */ -#define CHECK_VENDOR(n) (strnicmp(vendor, ZYNOS_VENDOR_ZYXEL, \ - strlen(ZYNOS_VENDOR_ZYXEL)) == 0) +static inline u32 zynos_dbgarea_present(u8 *data) +{ + u32 t; -static unsigned int __init zynos_get_vendor_id(unsigned char *vendor) + 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) { - int ret; + unsigned char vendor[ZYNOS_NAME_LEN]; + int i; - ret = ZYNOS_VENDOR_ID_INVALID; + for (i=0; i<ZYNOS_NAME_LEN; i++) + vendor[i]=info->vendor[i]; if CHECK_VENDOR(ZYNOS_VENDOR_ZYXEL) - ret = ZYNOS_VENDOR_ID_ZYXEL; + return ZYNOS_VENDOR_ID_ZYXEL; #if 0 /* TODO: there are no known ADM5120 based boards from other vendors */ - else if CHECK_VENDOR(ZYNOS_VENDOR_DLINK) - ret = ZYNOS_VENDOR_ID_DLINK; - else if CHECK_VENDOR(ZYNOS_VENDOR_LUCENT) - ret = ZYNOS_VENDOR_ID_LUCENT; + 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 ret; + 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 BOOTEXT_ADDR_2M 0xBFC08000 -#define BOOTEXT_ADDR_4M 0xBFC10000 + +#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; - u32 bootext_addr; + 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); - vendor_id = zynos_get_vendor_id(&info->vendor); - if (vendor_id == ZYNOS_VENDOR_ID_INVALID) - goto out; - bootext_addr = be32_to_cpu(info->bootext_addr); - if ((bootext_addr != BOOTEXT_ADDR_2M) || - (bootext_addr != BOOTEXT_ADDR_4M)) + /* 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 == be16_to_cpu(info->board_id))) { + (board->board_id == board_id)) { ret = board->mach_type; break; } diff --git a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/zynos.h b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/zynos.h index aa2e555f6..ba372d3d3 100644 --- a/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/zynos.h +++ b/target/linux/adm5120-2.6/files/include/asm-mips/mach-adm5120/zynos.h @@ -34,15 +34,30 @@ struct zynos_board_info { } __attribute__ ((packed)); /* + * Vendor IDs + */ +#define ZYNOS_VENDOR_ID_ZYXEL 0 +#define ZYNOS_VENDOR_ID_NETGEAR 1 +#define ZYNOS_VENDOR_ID_DLINK 2 +#define ZYNOS_VENDOR_ID_OTHER 3 +#define ZYNOS_VENDOR_ID_LUCENT 4 + +/* * Vendor names */ -#define ZYNOS_VENDOR_ZYXEL "ZyXEL" +#define ZYNOS_VENDOR_DLINK "D-Link" #define ZYNOS_VENDOR_LUCENT "LUCENT" -#define ZYNOS_VENDOR_NETGEAR "D-Link" +#define ZYNOS_VENDOR_NETGEAR "NetGear" +#define ZYNOS_VENDOR_ZYXEL "ZyXEL" /* * Board IDs (big-endian) */ +#define ZYNOS_BOARD_ES2108 0x00F2 /* Ethernet Switch 2108 */ +#define ZYNOS_BOARD_ES2108F 0x01AF /* Ethernet Switch 2108-F */ +#define ZYNOS_BOARD_ES2108G 0x00F3 /* Ethernet Switch 2108-G */ +#define ZYNOS_BOARD_ES2108LC 0x00FC /* Ethernet Switch 2108-LC */ +#define ZYNOS_BOARD_ES2108PWR 0x00F4 /* Ethernet Switch 2108PWR */ #define ZYNOS_BOARD_HS100 0x9FF1 /* HomeSafe 100/100W */ #define ZYNOS_BOARD_P334 0x9FF5 /* Prestige 334 */ #define ZYNOS_BOARD_P334U 0x9FDD /* Prestige 334U */ @@ -54,4 +69,10 @@ struct zynos_board_info { #define ZYNOS_BOARD_P335PLUS 0x0025 /* Prestige 335Plus */ #define ZYNOS_BOARD_P335U 0x9FDC /* Prestige 335U */ +/* + * Some magic numbers (big-endian) + */ +#define ZYNOS_MAGIC_DBGAREA1 0x48646267 /* "Hdbg" */ +#define ZYNOS_MAGIC_DBGAREA2 0x61726561 /* "area" */ + #endif /* _ZYNOS_H */ |