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https://github.com/openwrt/openwrt.git
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63 lines
1.7 KiB
Diff
63 lines
1.7 KiB
Diff
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
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+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
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@@ -33,11 +33,16 @@
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#include <bcm63xx_dev_usb_usbd.h>
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#include <board_bcm963xx.h>
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+#include <uapi/linux/bcm963xx_tag.h>
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+
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#define PFX "board_bcm963xx: "
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#define BCM963XX_KEYS_POLL_INTERVAL 20
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#define BCM963XX_KEYS_DEBOUNCE_INTERVAL (BCM963XX_KEYS_POLL_INTERVAL * 3)
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+#define CFE_OFFSET_64K 0x10000
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+#define CFE_OFFSET_128K 0x20000
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+
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static struct board_info board;
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/*
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@@ -742,6 +747,30 @@ const char *board_get_name(void)
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return board.name;
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}
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+static void __init boardid_fixup(u8 *boot_addr)
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+{
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+ struct bcm_tag *tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_64K);
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+ char *board_name = (char *)bcm63xx_nvram_get_name();
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+
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+ /* check if bcm_tag is at 64k offset */
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+ if (strncmp(board_name, tag->board_id, BOARDID_LEN) != 0) {
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+ /* else try 128k */
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+ tag = (struct bcm_tag *)(boot_addr + CFE_OFFSET_128K);
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+ if (strncmp(board_name, tag->board_id, BOARDID_LEN) != 0) {
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+ /* No tag found */
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+ printk(KERN_DEBUG "No bcm_tag found!\n");
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+ return;
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+ }
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+ }
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+ /* check if we should override the boardid */
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+ if (tag->information1[0] != '+')
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+ return;
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+
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+ strncpy(board_name, &tag->information1[1], BOARDID_LEN);
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+
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+ printk(KERN_INFO "Overriding boardid with '%s'\n", board_name);
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+}
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+
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/*
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* early init callback, read nvram data from flash and checksum it
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*/
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@@ -775,6 +804,11 @@ void __init board_prom_init(void)
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bcm63xx_nvram_init(boot_addr + BCM963XX_NVRAM_OFFSET);
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+ if (strcmp(cfe_version, "unknown") != 0) {
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+ /* cfe present */
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+ boardid_fixup(boot_addr);
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+ }
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+
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board_name = bcm63xx_nvram_get_name();
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/* find board by name */
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for (i = 0; i < ARRAY_SIZE(bcm963xx_boards); i++) {
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