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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>
This commit is contained in:
Gabor Juhos 2011-11-18 00:17:53 +00:00 committed by Ralf Baechle
parent 6903bb49da
commit 34cfcd26bd
3 changed files with 46 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

43
arch/mips/ath79/dev-ar913x-wmac.c
View File

@ -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();

4
arch/mips/ath79/dev-ar913x-wmac.h
View File

@ -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

4
arch/mips/include/asm/mach-ath79/ar71xx_regs.h
View File

@ -55,7 +55,8 @@
#define AR933X_UART_BASE (AR71XX_APB_BASE + 0x00020000)
#define AR933X_UART_SIZE 0x14
#define AR933X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000)
#define AR933X_WMAC_SIZE 0x20000
#define AR933X_EHCI_BASE 0x1b000000
#define AR933X_EHCI_SIZE 0x1000
@ -233,6 +234,7 @@
#define AR913X_RESET_USB_HOST BIT(5)
#define AR913X_RESET_USB_PHY BIT(4)
#define AR933X_RESET_WMAC BIT(11)
#define AR933X_RESET_USB_HOST BIT(5)
#define AR933X_RESET_USB_PHY BIT(4)
#define AR933X_RESET_USBSUS_OVERRIDE BIT(3)