ar71xx: move arch specific files to files-2.6.39

[openwrt/svn-archive/archive.git] / target / linux / ar71xx / files-2.6.39 / arch / mips / ar71xx / ar71xx.c

diff --git a/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/ar71xx.c b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/ar71xx.c
new file mode 100644 (file)
index 0000000..93cbe53
--- /dev/null
+++ b/target/linux/ar71xx/files-2.6.39/arch/mips/ar71xx/ar71xx.c
@@ -0,0 +1,278 @@
+/*
+ *  AR71xx SoC routines
+ *
+ *  Copyright (C) 2008-2009 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/kernel.h>
+#include <linux/module.h>
+#include <linux/types.h>
+#include <linux/mutex.h>
+#include <linux/spinlock.h>
+
+#include <asm/mach-ar71xx/ar71xx.h>
+
+static DEFINE_MUTEX(ar71xx_flash_mutex);
+static DEFINE_SPINLOCK(ar71xx_device_lock);
+
+void __iomem *ar71xx_ddr_base;
+EXPORT_SYMBOL_GPL(ar71xx_ddr_base);
+
+void __iomem *ar71xx_pll_base;
+EXPORT_SYMBOL_GPL(ar71xx_pll_base);
+
+void __iomem *ar71xx_reset_base;
+EXPORT_SYMBOL_GPL(ar71xx_reset_base);
+
+void __iomem *ar71xx_gpio_base;
+EXPORT_SYMBOL_GPL(ar71xx_gpio_base);
+
+void __iomem *ar71xx_usb_ctrl_base;
+EXPORT_SYMBOL_GPL(ar71xx_usb_ctrl_base);
+
+void ar71xx_device_stop(u32 mask)
+{
+       unsigned long flags;
+       u32 mask_inv;
+       u32 t;
+
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7130:
+       case AR71XX_SOC_AR7141:
+       case AR71XX_SOC_AR7161:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE, t | mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR7240:
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
+               mask_inv = mask & RESET_MODULE_USB_OHCI_DLL_7240;
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
+               t |= mask;
+               t &= ~mask_inv;
+               ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9130:
+       case AR71XX_SOC_AR9132:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, t | mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR933X_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR933X_RESET_REG_RESET_MODULE, t | mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9341:
+       case AR71XX_SOC_AR9342:
+       case AR71XX_SOC_AR9344:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR934X_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR934X_RESET_REG_RESET_MODULE, t | mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       default:
+               BUG();
+       }
+}
+EXPORT_SYMBOL_GPL(ar71xx_device_stop);
+
+void ar71xx_device_start(u32 mask)
+{
+       unsigned long flags;
+       u32 mask_inv;
+       u32 t;
+
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7130:
+       case AR71XX_SOC_AR7141:
+       case AR71XX_SOC_AR7161:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR71XX_RESET_REG_RESET_MODULE, t & ~mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR7240:
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
+               mask_inv = mask & RESET_MODULE_USB_OHCI_DLL_7240;
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
+               t &= ~mask;
+               t |= mask_inv;
+               ar71xx_reset_wr(AR724X_RESET_REG_RESET_MODULE, t);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9130:
+       case AR71XX_SOC_AR9132:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR91XX_RESET_REG_RESET_MODULE, t & ~mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR933X_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR933X_RESET_REG_RESET_MODULE, t & ~mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9341:
+       case AR71XX_SOC_AR9342:
+       case AR71XX_SOC_AR9344:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR934X_RESET_REG_RESET_MODULE);
+               ar71xx_reset_wr(AR934X_RESET_REG_RESET_MODULE, t & ~mask);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       default:
+               BUG();
+       }
+}
+EXPORT_SYMBOL_GPL(ar71xx_device_start);
+
+void ar71xx_device_reset_rmw(u32 clear, u32 set)
+{
+       unsigned long flags;
+       unsigned int reg;
+       u32 t;
+
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7130:
+       case AR71XX_SOC_AR7141:
+       case AR71XX_SOC_AR7161:
+               reg = AR71XX_RESET_REG_RESET_MODULE;
+               break;
+
+       case AR71XX_SOC_AR7240:
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
+               reg = AR724X_RESET_REG_RESET_MODULE;
+               break;
+
+       case AR71XX_SOC_AR9130:
+       case AR71XX_SOC_AR9132:
+               reg = AR91XX_RESET_REG_RESET_MODULE;
+               break;
+
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               reg = AR933X_RESET_REG_RESET_MODULE;
+               break;
+
+       case AR71XX_SOC_AR9341:
+       case AR71XX_SOC_AR9342:
+       case AR71XX_SOC_AR9344:
+               reg = AR934X_RESET_REG_RESET_MODULE;
+               break;
+
+       default:
+               BUG();
+       }
+
+       spin_lock_irqsave(&ar71xx_device_lock, flags);
+       t = ar71xx_reset_rr(reg);
+       t &= ~clear;
+       t |= set;
+       ar71xx_reset_wr(reg, t);
+       spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+}
+EXPORT_SYMBOL_GPL(ar71xx_device_reset_rmw);
+
+int ar71xx_device_stopped(u32 mask)
+{
+       unsigned long flags;
+       u32 t;
+
+       switch (ar71xx_soc) {
+       case AR71XX_SOC_AR7130:
+       case AR71XX_SOC_AR7141:
+       case AR71XX_SOC_AR7161:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR71XX_RESET_REG_RESET_MODULE);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR7240:
+       case AR71XX_SOC_AR7241:
+       case AR71XX_SOC_AR7242:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR724X_RESET_REG_RESET_MODULE);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9130:
+       case AR71XX_SOC_AR9132:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR91XX_RESET_REG_RESET_MODULE);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9330:
+       case AR71XX_SOC_AR9331:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR933X_RESET_REG_RESET_MODULE);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       case AR71XX_SOC_AR9341:
+       case AR71XX_SOC_AR9342:
+       case AR71XX_SOC_AR9344:
+               spin_lock_irqsave(&ar71xx_device_lock, flags);
+               t = ar71xx_reset_rr(AR934X_RESET_REG_RESET_MODULE);
+               spin_unlock_irqrestore(&ar71xx_device_lock, flags);
+               break;
+
+       default:
+               BUG();
+       }
+
+       return ((t & mask) == mask);
+}
+EXPORT_SYMBOL_GPL(ar71xx_device_stopped);
+
+void ar71xx_ddr_flush(u32 reg)
+{
+       ar71xx_ddr_wr(reg, 1);
+       while ((ar71xx_ddr_rr(reg) & 0x1))
+               ;
+
+       ar71xx_ddr_wr(reg, 1);
+       while ((ar71xx_ddr_rr(reg) & 0x1))
+               ;
+}
+EXPORT_SYMBOL_GPL(ar71xx_ddr_flush);
+
+void ar71xx_flash_acquire(void)
+{
+       mutex_lock(&ar71xx_flash_mutex);
+}
+EXPORT_SYMBOL_GPL(ar71xx_flash_acquire);
+
+void ar71xx_flash_release(void)
+{
+       mutex_unlock(&ar71xx_flash_mutex);
+}
+EXPORT_SYMBOL_GPL(ar71xx_flash_release);