From 8bfda76892a39c033b5abf2c17035a444fffad08 Mon Sep 17 00:00:00 2001
From: florian <florian@3c298f89-4303-0410-b956-a3cf2f4a3e73>
Date: Fri, 27 Apr 2007 08:29:19 +0000
Subject: [PATCH] Updated support for Zynos/adm5120eb boards, thanks Gabor
git-svn-id: svn://svn.openwrt.org/openwrt/trunk@7061 3c298f89-4303-0410-b956-a3cf2f4a3e73
---
.../files/arch/mips/adm5120/adm5120_info.c | 105 +++++++++++++-----
.../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
@@ -33,16 +33,31 @@ struct zynos_board_info {
u8 dbgflag;
} __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 */
--
2.20.1