| 1 | From d677877e2688813e5e0c12d0228a631021ed70c4 Mon Sep 17 00:00:00 2001 |
| 2 | From: Gabor Juhos <juhosg@openwrt.org> |
| 3 | Date: Wed, 14 Mar 2012 10:45:28 +0100 |
| 4 | Subject: [PATCH 33/47] MIPS: ath79: add WMAC registration code for AR934X |
| 5 | |
| 6 | Signed-off-by: Gabor Juhos <juhosg@openwrt.org> |
| 7 | Acked-by: Luis R. Rodriguez <mcgrof@qca.qualcomm.com> |
| 8 | Cc: linux-mips@linux-mips.org |
| 9 | Cc: mcgrof@infradead.org |
| 10 | Patchwork: https://patchwork.linux-mips.org/patch/3513/ |
| 11 | Signed-off-by: Ralf Baechle <ralf@linux-mips.org> |
| 12 | --- |
| 13 | arch/mips/ath79/Kconfig | 2 +- |
| 14 | arch/mips/ath79/dev-wmac.c | 30 ++++++++++++++++++++++- |
| 15 | arch/mips/include/asm/mach-ath79/ar71xx_regs.h | 3 ++ |
| 16 | 3 files changed, 32 insertions(+), 3 deletions(-) |
| 17 | |
| 18 | --- a/arch/mips/ath79/Kconfig |
| 19 | +++ b/arch/mips/ath79/Kconfig |
| 20 | @@ -86,7 +86,7 @@ config ATH79_DEV_USB |
| 21 | def_bool n |
| 22 | |
| 23 | config ATH79_DEV_WMAC |
| 24 | - depends on (SOC_AR913X || SOC_AR933X) |
| 25 | + depends on (SOC_AR913X || SOC_AR933X || SOC_AR934X) |
| 26 | def_bool n |
| 27 | |
| 28 | endif |
| 29 | --- a/arch/mips/ath79/dev-wmac.c |
| 30 | +++ b/arch/mips/ath79/dev-wmac.c |
| 31 | @@ -1,9 +1,12 @@ |
| 32 | /* |
| 33 | * Atheros AR913X/AR933X SoC built-in WMAC device support |
| 34 | * |
| 35 | + * Copyright (C) 2010-2011 Jaiganesh Narayanan <jnarayanan@atheros.com> |
| 36 | * Copyright (C) 2008-2011 Gabor Juhos <juhosg@openwrt.org> |
| 37 | * Copyright (C) 2008 Imre Kaloz <kaloz@openwrt.org> |
| 38 | * |
| 39 | + * Parts of this file are based on Atheros 2.6.15/2.6.31 BSP |
| 40 | + * |
| 41 | * This program is free software; you can redistribute it and/or modify it |
| 42 | * under the terms of the GNU General Public License version 2 as published |
| 43 | * by the Free Software Foundation. |
| 44 | @@ -26,8 +29,7 @@ static struct resource ath79_wmac_resour |
| 45 | /* .start and .end fields are filled dynamically */ |
| 46 | .flags = IORESOURCE_MEM, |
| 47 | }, { |
| 48 | - .start = ATH79_CPU_IRQ_IP2, |
| 49 | - .end = ATH79_CPU_IRQ_IP2, |
| 50 | + /* .start and .end fields are filled dynamically */ |
| 51 | .flags = IORESOURCE_IRQ, |
| 52 | }, |
| 53 | }; |
| 54 | @@ -53,6 +55,8 @@ static void __init ar913x_wmac_setup(voi |
| 55 | |
| 56 | ath79_wmac_resources[0].start = AR913X_WMAC_BASE; |
| 57 | ath79_wmac_resources[0].end = AR913X_WMAC_BASE + AR913X_WMAC_SIZE - 1; |
| 58 | + ath79_wmac_resources[1].start = ATH79_CPU_IRQ_IP2; |
| 59 | + ath79_wmac_resources[1].end = ATH79_CPU_IRQ_IP2; |
| 60 | } |
| 61 | |
| 62 | |
| 63 | @@ -79,6 +83,8 @@ static void __init ar933x_wmac_setup(voi |
| 64 | |
| 65 | ath79_wmac_resources[0].start = AR933X_WMAC_BASE; |
| 66 | ath79_wmac_resources[0].end = AR933X_WMAC_BASE + AR933X_WMAC_SIZE - 1; |
| 67 | + ath79_wmac_resources[1].start = ATH79_CPU_IRQ_IP2; |
| 68 | + ath79_wmac_resources[1].end = ATH79_CPU_IRQ_IP2; |
| 69 | |
| 70 | t = ath79_reset_rr(AR933X_RESET_REG_BOOTSTRAP); |
| 71 | if (t & AR933X_BOOTSTRAP_REF_CLK_40) |
| 72 | @@ -92,12 +98,32 @@ static void __init ar933x_wmac_setup(voi |
| 73 | ath79_wmac_data.external_reset = ar933x_wmac_reset; |
| 74 | } |
| 75 | |
| 76 | +static void ar934x_wmac_setup(void) |
| 77 | +{ |
| 78 | + u32 t; |
| 79 | + |
| 80 | + ath79_wmac_device.name = "ar934x_wmac"; |
| 81 | + |
| 82 | + ath79_wmac_resources[0].start = AR934X_WMAC_BASE; |
| 83 | + ath79_wmac_resources[0].end = AR934X_WMAC_BASE + AR934X_WMAC_SIZE - 1; |
| 84 | + ath79_wmac_resources[1].start = ATH79_IP2_IRQ(1); |
| 85 | + ath79_wmac_resources[1].start = ATH79_IP2_IRQ(1); |
| 86 | + |
| 87 | + t = ath79_reset_rr(AR934X_RESET_REG_BOOTSTRAP); |
| 88 | + if (t & AR934X_BOOTSTRAP_REF_CLK_40) |
| 89 | + ath79_wmac_data.is_clk_25mhz = false; |
| 90 | + else |
| 91 | + ath79_wmac_data.is_clk_25mhz = true; |
| 92 | +} |
| 93 | + |
| 94 | void __init ath79_register_wmac(u8 *cal_data) |
| 95 | { |
| 96 | if (soc_is_ar913x()) |
| 97 | ar913x_wmac_setup(); |
| 98 | else if (soc_is_ar933x()) |
| 99 | ar933x_wmac_setup(); |
| 100 | + else if (soc_is_ar934x()) |
| 101 | + ar934x_wmac_setup(); |
| 102 | else |
| 103 | BUG(); |
| 104 | |
| 105 | --- a/arch/mips/include/asm/mach-ath79/ar71xx_regs.h |
| 106 | +++ b/arch/mips/include/asm/mach-ath79/ar71xx_regs.h |
| 107 | @@ -61,6 +61,9 @@ |
| 108 | #define AR933X_EHCI_BASE 0x1b000000 |
| 109 | #define AR933X_EHCI_SIZE 0x1000 |
| 110 | |
| 111 | +#define AR934X_WMAC_BASE (AR71XX_APB_BASE + 0x00100000) |
| 112 | +#define AR934X_WMAC_SIZE 0x20000 |
| 113 | + |
| 114 | /* |
| 115 | * DDR_CTRL block |
| 116 | */ |
| 117 | |
