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author | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
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committer | John W. Linville <linville@tuxdriver.com> | 2012-02-15 16:24:37 -0500 |
commit | ca994a36f585432458ead9133fcfe05440edbb7b (patch) | |
tree | be05512153a9cd5cbe1f1234bc09fd9cd388ec58 /arch/mips/ath79/dev-wmac.c | |
parent | 12325280dfeba18164f9c47e226a40ab34e23ee7 (diff) | |
parent | 2504a6423b9ab4c36df78227055995644de19edb (diff) | |
download | linux-ca994a36f585432458ead9133fcfe05440edbb7b.tar.bz2 |
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/linville/wireless
Conflicts:
net/mac80211/debugfs_sta.c
net/mac80211/sta_info.h
Diffstat (limited to 'arch/mips/ath79/dev-wmac.c')
-rw-r--r-- | arch/mips/ath79/dev-wmac.c | 109 |
1 files changed, 109 insertions, 0 deletions
diff --git a/arch/mips/ath79/dev-wmac.c b/arch/mips/ath79/dev-wmac.c new file mode 100644 index 000000000000..24f546985b69 --- /dev/null +++ b/arch/mips/ath79/dev-wmac.c @@ -0,0 +1,109 @@ +/* + * Atheros AR913X/AR933X SoC built-in WMAC device support + * + * 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 + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include <linux/init.h> +#include <linux/delay.h> +#include <linux/irq.h> +#include <linux/platform_device.h> +#include <linux/ath9k_platform.h> + +#include <asm/mach-ath79/ath79.h> +#include <asm/mach-ath79/ar71xx_regs.h> +#include "dev-wmac.h" + +static struct ath9k_platform_data ath79_wmac_data; + +static struct resource ath79_wmac_resources[] = { + { + /* .start and .end fields are filled dynamically */ + .flags = IORESOURCE_MEM, + }, { + .start = ATH79_CPU_IRQ_IP2, + .end = ATH79_CPU_IRQ_IP2, + .flags = IORESOURCE_IRQ, + }, +}; + +static struct platform_device ath79_wmac_device = { + .name = "ath9k", + .id = -1, + .resource = ath79_wmac_resources, + .num_resources = ARRAY_SIZE(ath79_wmac_resources), + .dev = { + .platform_data = &ath79_wmac_data, + }, +}; + +static void __init ar913x_wmac_setup(void) +{ + /* reset the WMAC */ + ath79_device_reset_set(AR913X_RESET_AMBA2WMAC); + mdelay(10); + + ath79_device_reset_clear(AR913X_RESET_AMBA2WMAC); + mdelay(10); + + ath79_wmac_resources[0].start = AR913X_WMAC_BASE; + 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(); + + if (cal_data) + memcpy(ath79_wmac_data.eeprom_data, cal_data, + sizeof(ath79_wmac_data.eeprom_data)); + + platform_device_register(&ath79_wmac_device); +} |