From 1122b231f9c73fe30f3a8f270b7ef5d74a43c80b Mon Sep 17 00:00:00 2001 From: Hauke Mehrtens Date: Sat, 18 Feb 2012 23:08:26 +0000 Subject: brcm47xx: sprom for nvram parsing This adds support for parsing sprom form nvram for sprom version form 1 to 9. It also adds sprom from nvram support for devices on the bcma bus. SVN-Revision: 30638 --- .../190-ssb-sprom-fix-some-sizes-signedness.patch | 75 ++++++++++++++++++++++ 1 file changed, 75 insertions(+) create mode 100644 target/linux/brcm47xx/patches-3.2/190-ssb-sprom-fix-some-sizes-signedness.patch (limited to 'target/linux/brcm47xx/patches-3.2/190-ssb-sprom-fix-some-sizes-signedness.patch') diff --git a/target/linux/brcm47xx/patches-3.2/190-ssb-sprom-fix-some-sizes-signedness.patch b/target/linux/brcm47xx/patches-3.2/190-ssb-sprom-fix-some-sizes-signedness.patch new file mode 100644 index 0000000000..ac73f3d4bd --- /dev/null +++ b/target/linux/brcm47xx/patches-3.2/190-ssb-sprom-fix-some-sizes-signedness.patch @@ -0,0 +1,75 @@ +From 0af3fa9e4c9ea0ca0662f09183d71ea9a7eb572f Mon Sep 17 00:00:00 2001 +From: Hauke Mehrtens +Date: Sat, 18 Feb 2012 14:33:08 +0100 +Subject: [PATCH 190/202] ssb: sprom fix some sizes / signedness + +Some parts of the sprom struct are bigger than needed. +The leddc and maxpwr values are just 8 bit long and not 16. +rxpo2g and rxpo5g are signed +antenna_gain is unsigned + +I got these information for the open source part of the Braodcom SDK +covering sprom version 1 to 9. rxpo2g contained a negative number on my +bcm5354 based device, this cased an error and Broadcom SDK says this is +signed. + +I was unable to find any reverences to antenna_gain.ghz5 in the +Broadcom SDK. + +Signed-off-by: Hauke Mehrtens +--- + include/linux/ssb/ssb.h | 20 ++++++++++---------- + 1 files changed, 10 insertions(+), 10 deletions(-) + +--- a/include/linux/ssb/ssb.h ++++ b/include/linux/ssb/ssb.h +@@ -33,8 +33,8 @@ struct ssb_sprom { + u8 et1mdcport; /* MDIO for enet1 */ + u16 board_rev; /* Board revision number from SPROM. */ + u8 country_code; /* Country Code */ +- u16 leddc_on_time; /* LED Powersave Duty Cycle On Count */ +- u16 leddc_off_time; /* LED Powersave Duty Cycle Off Count */ ++ u8 leddc_on_time; /* LED Powersave Duty Cycle On Count */ ++ u8 leddc_off_time; /* LED Powersave Duty Cycle Off Count */ + u8 ant_available_a; /* 2GHz antenna available bits (up to 4) */ + u8 ant_available_bg; /* 5GHz antenna available bits (up to 4) */ + u16 pa0b0; +@@ -53,10 +53,10 @@ struct ssb_sprom { + u8 gpio1; /* GPIO pin 1 */ + u8 gpio2; /* GPIO pin 2 */ + u8 gpio3; /* GPIO pin 3 */ +- u16 maxpwr_bg; /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */ +- u16 maxpwr_al; /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */ +- u16 maxpwr_a; /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */ +- u16 maxpwr_ah; /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */ ++ u8 maxpwr_bg; /* 2.4GHz Amplifier Max Power (in dBm Q5.2) */ ++ u8 maxpwr_al; /* 5.2GHz Amplifier Max Power (in dBm Q5.2) */ ++ u8 maxpwr_a; /* 5.3GHz Amplifier Max Power (in dBm Q5.2) */ ++ u8 maxpwr_ah; /* 5.8GHz Amplifier Max Power (in dBm Q5.2) */ + u8 itssi_a; /* Idle TSSI Target for A-PHY */ + u8 itssi_bg; /* Idle TSSI Target for B/G-PHY */ + u8 tri2g; /* 2.4GHz TX isolation */ +@@ -67,8 +67,8 @@ struct ssb_sprom { + u8 txpid5gl[4]; /* 4.9 - 5.1GHz TX power index */ + u8 txpid5g[4]; /* 5.1 - 5.5GHz TX power index */ + u8 txpid5gh[4]; /* 5.5 - ...GHz TX power index */ +- u8 rxpo2g; /* 2GHz RX power offset */ +- u8 rxpo5g; /* 5GHz RX power offset */ ++ s8 rxpo2g; /* 2GHz RX power offset */ ++ s8 rxpo5g; /* 5GHz RX power offset */ + u8 rssisav2g; /* 2GHz RSSI params */ + u8 rssismc2g; + u8 rssismf2g; +@@ -95,10 +95,10 @@ struct ssb_sprom { + * loss in the connectors is bigger than the gain. */ + struct { + struct { +- s8 a0, a1, a2, a3; ++ u8 a0, a1, a2, a3; + } ghz24; /* 2.4GHz band */ + struct { +- s8 a0, a1, a2, a3; ++ u8 a0, a1, a2, a3; + } ghz5; /* 5GHz band */ + } antenna_gain; + -- cgit v1.2.3