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114 lines
3.4 KiB
Diff
114 lines
3.4 KiB
Diff
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From e2201a02b529acc65a5a1b19a52b93f9c2d98088 Mon Sep 17 00:00:00 2001
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From: Gabor Juhos <juhosg@openwrt.org>
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Date: Fri, 18 Nov 2011 00:17:53 +0000
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Subject: [PATCH 22/27] MIPS: ath79: Add AR933x specific WMAC setup code
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The wireless MAC of the AR933x SoCs uses different base address, and
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requires different setup code.
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Signed-off-by: Gabor Juhos <juhosg@openwrt.org>
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Cc: Imre Kaloz <kaloz@openwrt.org>
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Cc: linux-mips@linux-mips.org
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Patchwork: https://patchwork.linux-mips.org/patch/3030/
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Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
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---
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arch/mips/ath79/dev-ar913x-wmac.c | 43 ++++++++++++++++++++++-
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arch/mips/ath79/dev-ar913x-wmac.h | 4 +-
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arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 4 ++-
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3 files changed, 46 insertions(+), 5 deletions(-)
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--- a/arch/mips/ath79/dev-ar913x-wmac.c
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+++ b/arch/mips/ath79/dev-ar913x-wmac.c
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@@ -1,7 +1,7 @@
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/*
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- * Atheros AR913X SoC built-in WMAC device support
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+ * Atheros AR913X/AR933X SoC built-in WMAC device support
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*
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- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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+ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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@@ -55,10 +55,49 @@ static void __init ar913x_wmac_setup(voi
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ath79_wmac_resources[0].end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1;
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}
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+
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+static int ar933x_wmac_reset(void)
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+{
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+ ath79_device_reset_clear(AR933X_RESET_WMAC);
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+ ath79_device_reset_set(AR933X_RESET_WMAC);
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+
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+ return 0;
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+}
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+
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+static int ar933x_r1_get_wmac_revision(void)
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+{
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+ return ath79_soc_rev;
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+}
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+
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+static void __init ar933x_wmac_setup(void)
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+{
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+ u32 t;
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+
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+ ar933x_wmac_reset();
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+
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+ ath79_wmac_device.name = "ar933x_wmac";
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+
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+ ath79_wmac_resources[0].start = AR933X_WMAC_BASE;
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+ ath79_wmac_resources[0].end = AR933X_WMAC_BASE + AR933X_WMAC_SIZE - 1;
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+
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+ t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP);
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+ if (t & AR933X_BOOTSTRAP_REF_CLK_40)
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+ ath79_wmac_data.is_clk_25mhz = false;
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+ else
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+ ath79_wmac_data.is_clk_25mhz = true;
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+
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+ if (ath79_soc_rev == 1)
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+ ath79_wmac_data.get_mac_revision = ar933x_r1_get_wmac_revision;
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+
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+ ath79_wmac_data.external_reset = ar933x_wmac_reset;
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+}
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+
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void __init ath79_register_wmac(u8 *cal_data)
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{
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if (soc_is_ar913x())
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ar913x_wmac_setup();
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+ if (soc_is_ar933x())
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+ ar933x_wmac_setup();
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else
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BUG();
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--- a/arch/mips/ath79/dev-ar913x-wmac.h
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+++ b/arch/mips/ath79/dev-ar913x-wmac.h
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@@ -1,7 +1,7 @@
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/*
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- * Atheros AR913X SoC built-in WMAC device support
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+ * Atheros AR913X/AR933X SoC built-in WMAC device support
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*
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- * Copyright (C) 2008-2010 Gabor Juhos <juhosg@openwrt.org>
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+ * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org>
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* Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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--- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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+++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h
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@@ -55,7 +55,8 @@
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#define AR933X_UART_BASE (AR71XX_APB_BASE + 0x00020000)
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#define AR933X_UART_SIZE 0x14
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-
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+#define AR933X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000)
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+#define AR933X_WMAC_SIZE 0x20000
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#define AR933X_EHCI_BASE 0x1b000000
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#define AR933X_EHCI_SIZE 0x1000
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@@ -233,6 +234,7 @@
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#define AR913X_RESET_USB_HOST BIT(5)
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#define AR913X_RESET_USB_PHY BIT(4)
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+#define AR933X_RESET_WMAC BIT(11)
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#define AR933X_RESET_USB_HOST BIT(5)
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#define AR933X_RESET_USB_PHY BIT(4)
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#define AR933X_RESET_USBSUS_OVERRIDE BIT(3)
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