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37 lines
1.6 KiB
Diff
37 lines
1.6 KiB
Diff
commit 4f4aa2ec24dc45881849833a439558d3a378028c
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Author: Rafał Miłecki <zajec5@gmail.com>
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Date: Sun May 18 00:22:38 2014 +0200
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ssb: sprom: add dev_id field for value overriding standard ID
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Some devices may have different features despite sharing the same ID
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(e.g. PCI ID). For example 14e4:4331 is usually a dual band, but this
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can be "limited". Device with "pci/x/y/devid=0x4332" supports 2.4 GHz
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only. Similarly 0x4333 will mean support for 5 GHz only.
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Add entry in SPROM so info described above can be extracted and stored.
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Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
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Acked-by: Hauke Mehrtens <hauke@hauke-m.de>
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Signed-off-by: John W. Linville <linville@tuxdriver.com>
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--- a/arch/mips/bcm47xx/sprom.c
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+++ b/arch/mips/bcm47xx/sprom.c
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@@ -168,6 +168,7 @@ static void nvram_read_alpha2(const char
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static void bcm47xx_fill_sprom_r1234589(struct ssb_sprom *sprom,
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const char *prefix, bool fallback)
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{
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+ nvram_read_u16(prefix, NULL, "devid", &sprom->dev_id, 0, fallback);
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nvram_read_u8(prefix, NULL, "ledbh0", &sprom->gpio0, 0xff, fallback);
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nvram_read_u8(prefix, NULL, "ledbh1", &sprom->gpio1, 0xff, fallback);
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nvram_read_u8(prefix, NULL, "ledbh2", &sprom->gpio2, 0xff, fallback);
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--- a/include/linux/ssb/ssb.h
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+++ b/include/linux/ssb/ssb.h
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@@ -33,6 +33,7 @@ struct ssb_sprom {
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u8 et1phyaddr; /* MII address for enet1 */
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u8 et0mdcport; /* MDIO for enet0 */
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u8 et1mdcport; /* MDIO for enet1 */
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+ u16 dev_id; /* Device ID overriding e.g. PCI ID */
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u16 board_rev; /* Board revision number from SPROM. */
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u16 board_num; /* Board number from SPROM. */
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u16 board_type; /* Board type from SPROM. */
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