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authorGabor Juhos <juhosg@openwrt.org>2011-11-18 00:17:53 +0000
committerRalf Baechle <ralf@linux-mips.org>2011-12-07 22:02:48 +0000
commit34cfcd26bd34884e9bcbbfae4f87b36e42931c30 (patch)
tree45cf0ceb5001f50a4933b04527d3c42235a27ff8 /arch/mips/ath79
parent6903bb49da18e0bf3e2909e6b1342ee9a26b78ff (diff)
downloadop-kernel-dev-34cfcd26bd34884e9bcbbfae4f87b36e42931c30.zip
op-kernel-dev-34cfcd26bd34884e9bcbbfae4f87b36e42931c30.tar.gz
MIPS: ath79: Add AR933x specific WMAC setup code
The wireless MAC of the AR933x SoCs uses different base address, and requires different setup code. Signed-off-by: Gabor Juhos <juhosg@openwrt.org> Cc: Imre Kaloz <kaloz@openwrt.org> Cc: linux-mips@linux-mips.org Patchwork: https://patchwork.linux-mips.org/patch/3030/ Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/ath79')
-rw-r--r--arch/mips/ath79/dev-ar913x-wmac.c43
-rw-r--r--arch/mips/ath79/dev-ar913x-wmac.h4
2 files changed, 43 insertions, 4 deletions
diff --git a/arch/mips/ath79/dev-ar913x-wmac.c b/arch/mips/ath79/dev-ar913x-wmac.c
index 21118fb..c424e9a 100644
--- a/arch/mips/ath79/dev-ar913x-wmac.c
+++ b/arch/mips/ath79/dev-ar913x-wmac.c
@@ -1,7 +1,7 @@
/*
- * Atheros AR913X SoC built-in WMAC device support
+ * Atheros AR913X/AR933X SoC built-in WMAC device support
*
- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
@@ -55,10 +55,49 @@ static void __init ar913x_wmac_setup(void)
ath79_wmac_resources[0].end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1;
}
+
+static int ar933x_wmac_reset(void)
+{
+ ath79_device_reset_clear(AR933X_RESET_WMAC);
+ ath79_device_reset_set(AR933X_RESET_WMAC);
+
+ return 0;
+}
+
+static int ar933x_r1_get_wmac_revision(void)
+{
+ return ath79_soc_rev;
+}
+
+static void __init ar933x_wmac_setup(void)
+{
+ u32 t;
+
+ ar933x_wmac_reset();
+
+ ath79_wmac_device.name = "ar933x_wmac";
+
+ ath79_wmac_resources[0].start = AR933X_WMAC_BASE;
+ ath79_wmac_resources[0].end = AR933X_WMAC_BASE + AR933X_WMAC_SIZE - 1;
+
+ t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
+ if (t & AR933X_BOOTSTRAP_REF_CLK_40)
+ ath79_wmac_data.is_clk_25mhz = false;
+ else
+ ath79_wmac_data.is_clk_25mhz = true;
+
+ if (ath79_soc_rev == 1)
+ ath79_wmac_data.get_mac_revision = ar933x_r1_get_wmac_revision;
+
+ ath79_wmac_data.external_reset = ar933x_wmac_reset;
+}
+
void __init ath79_register_wmac(u8 *cal_data)
{
if (soc_is_ar913x())
ar913x_wmac_setup();
+ if (soc_is_ar933x())
+ ar933x_wmac_setup();
else
BUG();
diff --git a/arch/mips/ath79/dev-ar913x-wmac.h b/arch/mips/ath79/dev-ar913x-wmac.h
index de1d784..c9cd870 100644
--- a/arch/mips/ath79/dev-ar913x-wmac.h
+++ b/arch/mips/ath79/dev-ar913x-wmac.h
@@ -1,7 +1,7 @@
/*
- * Atheros AR913X SoC built-in WMAC device support
+ * Atheros AR913X/AR933X SoC built-in WMAC device support
*
- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
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