these patches are slight modification of Fiach Antaw's original
gs2_support.diff he used to successfully port GlobeSurfer 2
i have changed boardtype and boardrev variables to the ones of globesurfer3.
Index: target/linux/brcm47xx/image/lzma-loader/src/decompress.c
===================================================================
--- target/linux/brcm47xx/image/lzma-loader/src/decompress.c (revision
35832)
+++ target/linux/brcm47xx/image/lzma-loader/src/decompress.c (working
copy)
@@ -90,6 +90,9 @@
#define EDIMAX_PS_HEADER_MAGIC 0x36315350 /* "PS16" */
#define EDIMAX_PS_HEADER_LEN 0xc /* 12 bytes long for edimax header */
+#define OPENRG_HEADER_MAGIC 0xBEBAEDFE /* 'FEEDBABE' */
+#define OPENRG_HEADER_LEN 0x94
+
/* beyound the image end, size not known in advance */
extern unsigned char workspace[];
@@ -139,11 +142,14 @@
/* look for trx header, 32-bit data access */
for (data = ((unsigned char *) KSEG1ADDR(BCM4710_FLASH));
((struct trx_header *)data)->magic != TRX_MAGIC &&
- ((struct trx_header *)data)->magic != EDIMAX_PS_HEADER_MAGIC;
+ ((struct trx_header *)data)->magic != EDIMAX_PS_HEADER_MAGIC &&
+ ((struct trx_header *)data)->magic != OPENRG_HEADER_MAGIC;
data += 65536);
if (((struct trx_header *)data)->magic == EDIMAX_PS_HEADER_MAGIC)
data += EDIMAX_PS_HEADER_LEN;
+ if (((struct trx_header *)data)->magic == OPENRG_HEADER_MAGIC)
+ data += OPENRG_HEADER_LEN;
/* compressed kernel is in the partition 0 or 1 */
if (((struct trx_header *)data)->offsets[1] > 65536)
data += ((struct trx_header *)data)->offsets[0];
Index: target/linux/brcm47xx/base-files/etc/init.d/netconfig
===================================================================
--- target/linux/brcm47xx/base-files/etc/init.d/netconfig (revision
35832)
+++ target/linux/brcm47xx/base-files/etc/init.d/netconfig (working copy)
@@ -225,6 +225,12 @@
c["vlan1ports"] = ""
c["vlan2ports"] = ""
}
+ if (model == "Option GlobeSurfer III") {
+ c["lan_ifname"] = "eth0.1"
+ c["wan_ifname"] = ""
+ c["vlan1ports"] = "0 1 2 3 4 5u"
+ c["vlan2ports"] = ""
+ }
if (c["vlan1ports"] || c["vlan2ports"]) {
print "#### VLAN configuration "
Index:
target/linux/brcm47xx/patches-3.6/260-MIPS-BCM47XX-add-board-detection.patch
===================================================================
---
target/linux/brcm47xx/patches-3.6/260-MIPS-BCM47XX-add-board-detection.patch
(revision 35832)
+++
target/linux/brcm47xx/patches-3.6/260-MIPS-BCM47XX-add-board-detection.patch
(working copy)
@@ -8,7 +8,7 @@
obj-$(CONFIG_BCM47XX_SSB) += wgt634u.o
--- /dev/null
+++ b/arch/mips/bcm47xx/board.c
-@@ -0,0 +1,223 @@
+@@ -0,0 +1,236 @@
+#include <linux/export.h>
+#include <linux/string.h>
+#include <bcm47xx_board.h>
@@ -127,6 +127,11 @@
+ { {0}, 0},
+};
+
++static const struct bcm47xx_board_type_list
bcm47xx_board_list_board_type_rev[] = {
++ {{BCM47XX_BOARD_OPTION_GS3, "Option GlobeSurfer III"},
"0x048e","0x10"},
++ { {0}, 0},
++};
++
+static const struct bcm47xx_board_type bcm47xx_board_unknown[] = {
+ {BCM47XX_BOARD_UNKNOWN, "Unknown Board"},
+};
@@ -200,6 +205,14 @@
+ return &e->board;
+ }
+ }
++
++ if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
++ bcm47xx_nvram_getenv("boardrev", buf2, sizeof(buf2)) >= 0) {
++ for (e = bcm47xx_board_list_board_type_rev; e->value1; e++) {
++ if (!strcmp(buf1, e->value1) && !strcmp(buf2, e->value2))
++ return &e->board;
++ }
++ }
+ return bcm47xx_board_unknown;
+}
+
@@ -234,7 +247,7 @@
+EXPORT_SYMBOL(bcm47xx_board_get_name);
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm47xx/bcm47xx_board.h
-@@ -0,0 +1,91 @@
+@@ -0,0 +1,93 @@
+#ifndef __BCM47XX_BOARD_H
+#define __BCM47XX_BOARD_H
+
@@ -315,6 +328,8 @@
+ BCM47XX_BOARD_NETGEAR_WNR3500V2VC,
+ BCM47XX_BOARD_NETGEAR_WNR834BV2,
+
++ BCM47XX_BOARD_OPTION_GS3,
++
+ /* TODO */
+ BCM47XX_BOARD_SIMPLETECH_SIMPLESHARE,
+
Index:
target/linux/brcm47xx/patches-3.6/050-mtd-add-bcm47xx-part-parser.patch
===================================================================
---
target/linux/brcm47xx/patches-3.6/050-mtd-add-bcm47xx-part-parser.patch
(revision 35832)
+++
target/linux/brcm47xx/patches-3.6/050-mtd-add-bcm47xx-part-parser.patch
(working copy)
@@ -26,7 +26,7 @@
obj-$(CONFIG_MTD_CHAR) += mtdchar.o
--- /dev/null
+++ b/drivers/mtd/bcm47xxpart.c
-@@ -0,0 +1,504 @@
+@@ -0,0 +1,560 @@
+/*
+ * Copyright (C) 2006 Felix Fietkau <[email protected]>
+ * Copyright (C) 2005 Waldemar Brodkorb <[email protected]>
@@ -106,6 +106,24 @@
+#define EDIMAX_PS_HEADER_MAGIC 0x36315350 /* "PS16" */
+#define EDIMAX_PS_HEADER_LEN 0xc /* 12 bytes long for edimax header */
+
++/* similarly, OpenRG-based boards use additional headers
++ * as part of their flash partitioning scheme,
++ * which unfortunately include a checksum and length field
++ */
++
++/* Note: All fields are in big-endian */
++struct openrg_header {
++ u32 magic; /* 0xFEEDBABE */
++ u32 len; /* Length of file excluding header */
++ u32 checksum; /* 32-bit sum of all bytes in file and header,
excluding checksum */
++ u32 counter; /* Unknown */
++ u32 start_offset; /* Unknown */
++ u8 name[0x80]; /* Names the file for the CFE flash_layout command */
++};
++
++#define OPENRG_HEADER_MAGIC be32_to_cpu(0xFEEDBABE)
++#define OPENRG_HEADER_LEN sizeof(struct openrg_header)
++
+#define NVRAM_SPACE 0x8000
+
+static int
@@ -140,6 +158,13 @@
+ } else {
+ pr_notice("Found edimax header\n");
+ }
++ } else if (le32_to_cpu(trx->magic) == OPENRG_HEADER_MAGIC) {
++ if (mtd_read(mtd, off + OPENRG_HEADER_LEN,
++ sizeof(buf), &len, buf) || len != sizeof(buf)) {
++ continue;
++ } else {
++ pr_notice("Found OpenRG header\n");
++ }
+ }
+
+ /* found a TRX header */
@@ -259,11 +284,12 @@
+find_root(struct mtd_info *mtd, struct mtd_partition *part)
+{
+ struct trx_header trx, *trx2;
++ struct openrg_header *org;
+ unsigned char buf[512], *block;
+ int off, blocksize, trxoff = 0;
-+ u32 i, crc = ~0;
++ u32 i, j, sum = 0, crc = ~0;
+ size_t len;
-+ bool edimax = false;
++ bool openrg = false;
+
+ blocksize = mtd->erasesize;
+ if (blocksize < 0x10000)
@@ -279,7 +305,7 @@
+ len != sizeof(trx))
+ continue;
+
-+ /* found an edimax header */
++ /* found an edimax/OpenRG header */
+ if (le32_to_cpu(trx.magic) == EDIMAX_PS_HEADER_MAGIC) {
+ /* read the correct trx header */
+ if (mtd_read(mtd, off + EDIMAX_PS_HEADER_LEN,
@@ -288,8 +314,19 @@
+ continue;
+ } else {
+ pr_notice("Found an edimax ps header\n");
-+ edimax = true;
++ trxoff = EDIMAX_PS_HEADER_LEN;
+ }
++ } else if (le32_to_cpu(trx.magic) == OPENRG_HEADER_MAGIC) {
++ /* read the correct trx header */
++ if (mtd_read(mtd, off + OPENRG_HEADER_LEN,
++ sizeof(trx), &len, (char *) &trx) ||
++ len != sizeof(trx)) {
++ continue;
++ } else {
++ pr_notice("Found an OpenRG header\n");
++ openrg = true;
++ trxoff = OPENRG_HEADER_LEN;
++ }
+ }
+
+ /* found a TRX header */
@@ -299,11 +336,8 @@
+ part->size = le32_to_cpu(trx.len);
+
+ part->size -= part->offset;
++ off += trxoff;
+ part->offset += off;
-+ if (edimax) {
-+ off += EDIMAX_PS_HEADER_LEN;
-+ trxoff = EDIMAX_PS_HEADER_LEN;
-+ }
+
+ goto found;
+ }
@@ -333,6 +367,13 @@
+ if (mtd_read(mtd, off + i, sizeof(buf), &len, buf) || len !=
sizeof(buf))
+ return 0;
+ crc = crc32_le(crc, buf, min(sizeof(buf), trx.len - i));
++
++ /* Also generate the openrg header checksum if needed */
++ if (openrg) {
++ for (j = 0; j < min(sizeof(buf), trx.len - i); j++) {
++ sum += buf[j];
++ }
++ }
+ }
+ trx.crc32 = crc;
+
@@ -350,6 +391,21 @@
+
+ /* Write updated trx header to the flash */
+ memcpy(block + trxoff, &trx, sizeof(trx));
++
++ /* fix OpenRG length and checksum */
++ if (openrg) {
++ pr_notice("Fixing OpenRG header.\n");
++ org = (struct openrg_header *)block;
++ org->len = cpu_to_be32(trx.len);
++ org->checksum = 0;
++
++ /* Update the openrg checksum with TRX and openrg header
values */
++ for (i = 0; i < OPENRG_HEADER_LEN + (u32)&(((struct
trx_header *)NULL)->flag_version); i++) {
++ sum += block[i];
++ }
++ org->checksum = cpu_to_be32(sum);
++ }
++
+ if (mtd->_unlock)
+ mtd->_unlock(mtd, off - trxoff, mtd->erasesize);
+ erase_write(mtd, off - trxoff, mtd->erasesize, block);
Index:
target/linux/brcm47xx/patches-3.8/260-MIPS-BCM47XX-add-board-detection.patch
===================================================================
---
target/linux/brcm47xx/patches-3.8/260-MIPS-BCM47XX-add-board-detection.patch
(revision 35832)
+++
target/linux/brcm47xx/patches-3.8/260-MIPS-BCM47XX-add-board-detection.patch
(working copy)
@@ -127,6 +127,11 @@
+ { {0}, 0},
+};
+
++static const struct bcm47xx_board_type_list
bcm47xx_board_list_boardtype_rev[] = {
++ {{BCM47XX_BOARD_OPTION_GS3, "Option GlobeSurfer III"}, "0x048e",
"0x10"},
++ { {0}, 0},
++};
++
+static const struct bcm47xx_board_type bcm47xx_board_unknown[] = {
+ {BCM47XX_BOARD_UNKNOWN, "Unknown Board"},
+};
@@ -200,6 +205,14 @@
+ return &e->board;
+ }
+ }
++
++ if (bcm47xx_nvram_getenv("boardtype", buf1, sizeof(buf1)) >= 0 &&
++ bcm47xx_nvram_getenv("bootrev", buf2, sizeof(buf2)) >= 0) {
++ for (e = bcm47xx_board_list_boardtype_rev; e->value1; e++) {
++ if (!strcmp(buf1, e->value1) && !strcmp(buf2, e->value2))
++ return &e->board;
++ }
++ }
+ return bcm47xx_board_unknown;
+}
+
@@ -315,6 +328,8 @@
+ BCM47XX_BOARD_NETGEAR_WNR3500V2VC,
+ BCM47XX_BOARD_NETGEAR_WNR834BV2,
+
++ BCM47XX_BOARD_OPTION_GS3,
++
+ /* TODO */
+ BCM47XX_BOARD_SIMPLETECH_SIMPLESHARE,
+
Index: package/broadcom-diag/src/diag.c
===================================================================
--- package/broadcom-diag/src/diag.c (revision 35832)
+++ package/broadcom-diag/src/diag.c (working copy)
@@ -154,6 +154,9 @@
/* Edimax */
PS1208MFG,
+
+ /* Option */
+ GS3,
};
static void __init bcm4780_init(void) {
@@ -194,6 +197,19 @@
bcm47xx_gpio_out(pin, pin);
}
+static void __init option_gs3_init(void) {
+ /* unset pin 7 (disables LCD) */
+ int pin = 1 << 7;
+ bcm47xx_gpio_outen(pin, pin);
+ bcm47xx_gpio_control(pin, 0);
+ bcm47xx_gpio_out(pin, 0);
+ /* unset pin 9 (enables 3G modem) */
+ pin = 1 << 9;
+ bcm47xx_gpio_outen(pin, pin);
+ bcm47xx_gpio_control(pin, 0);
+ bcm47xx_gpio_out(pin, 0);
+}
+
static struct platform_t __initdata platforms[] = {
/* Linksys */
[WAP54GV1] = {
@@ -1090,6 +1106,26 @@
{ .name = "wlan", .gpio = 1 << 0, .polarity = NORMAL },
},
},
+ /* Option */
+ [GS3] = {
+ .name = "Option GlobeSurfer III",
+ .buttons = {
+ /* The power button latches/toggles, but apparently doesn't do
so mechanically */
+ { .name = "power", .gpio = 1 << 12 },
+ { .name = "display", .gpio = 1 << 14 },
+ { .name = "umts", .gpio = 1 << 15 },
+ /* So far I haven't been able to figure out how the reset
button works */
+ },
+ .leds = {
+ /* There are no LEDs on this device */
+ },
+ /* Also of note:
+ * GPIO 7 enables/disables the LCD
+ * GPIO 9 enables/disables the modem
+ * We use a custom init routine to enable the modem and (for now)
disable the LCD.
+ */
+ .platform_init = option_gs3_init,
+ },
};
static struct platform_t __init *platform_detect_legacy(void)
@@ -1333,6 +1369,8 @@
return &platforms[WNDR3400V1];
case BCM47XX_BOARD_NETGEAR_WNDR3700V3:
return &platforms[WNDR3700V3];
+ case BCM47XX_BOARD_OPTION_GS3:
+ return &platforms[GS3];
case BCM47XX_BOARD_UNKNOWN:
case BCM47XX_BOARD_NON:
printk(MODULE_NAME ": unknown board found, try legacy detect\n");
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