1 files changed, 0 insertions, 291 deletions
diff --git a/plat/sun50iw1p1/scp/hwmsgbox/hwmsgbox.c b/plat/sun50iw1p1/scp/hwmsgbox/hwmsgbox.c
deleted file mode 100644
index f1bc032..0000000
--- a/plat/sun50iw1p1/scp/hwmsgbox/hwmsgbox.c
+++ /dev/null
@@ -1,291 +0,0 @@
-/*
- *  arch/arm/mach-sunxi/arisc/hwmsgbox/hwmsgbox.c
- *
- * Copyright (c) 2012 Allwinner.
- * 2012-10-01 Written by superm (superm@allwinnertech.com).
- *
- * This program is free software; you can redistribute it and/or modify
- * it under the terms of the GNU General Public License as published by
- * the Free Software Foundation; either version 2 of the License, or
- * (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
- */
-
-#include "hwmsgbox_i.h"
-
-/* spinlock for syn and asyn channel */
-static spinlock_t syn_channel_lock;
-static spinlock_t asyn_channel_lock;
-static uintptr_t base;
-
-/**
- * initialize hwmsgbox.
- * @para:  none.
- *
- * returns:  0 if initialize hwmsgbox succeeded, others if failed.
- */
-int arisc_hwmsgbox_init(void)
-{
-	base = dts_cfg.msgbox.base;
-
-	/* initialize syn and asyn spinlock */
-	//writel(0xffffffff, base + AW_MSGBOX_IRQ_STATUS_REG(AW_HWMSG_QUEUE_USER_AC327));
-	//writel(0x0, base + AW_MSGBOX_IRQ_EN_REG(AW_HWMSG_QUEUE_USER_AC327));
-
-	return 0;
-}
-
-/**
- * exit hwmsgbox.
- * @para:  none.
- *
- * returns:  0 if exit hwmsgbox succeeded, others if failed.
- */
-int arisc_hwmsgbox_exit(void)
-{
-	return 0;
-}
-
-/**
- * send one message to another processor by hwmsgbox.
- * @pmessage:  the pointer of sended message frame.
- * @timeout:   the wait time limit when message fifo is full,                             it is valid only when parameter mode = HWMSG_SEND_WAIT_TIMEOUT.
- *
- * returns:   0 if send message succeeded, other if failed.
- */
-int arisc_hwmsgbox_send_message(struct arisc_message *pmessage, unsigned int timeout)
-{
-	volatile uint32_t value;
-
-	if (pmessage == NULL) {
-		return -EINVAL;
-	}
-	if (pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN) {
-		/* use ac327 hwsyn transmit channel */
-		spin_lock(&syn_channel_lock);
-		while (readl(base + AW_MSGBOX_FIFO_STATUS_REG(ARISC_HWMSGBOX_AC327_SYN_TX_CH)) == 1);
-
-		value = arisc_message_map_to_cpus(pmessage);
-		ARISC_INF("ac327 send hard syn message : %x\n", (unsigned int)value);
-		writel(value, base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_AC327_SYN_TX_CH));
-
-		/* hwsyn messsage must feedback use syn rx channel */
-		while (readl(base + AW_MSGBOX_MSG_STATUS_REG(ARISC_HWMSGBOX_AC327_SYN_RX_CH)) == 0);
-
-		/* check message valid */
-		if (value != (readl(base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_AC327_SYN_RX_CH)))) {
-			ARISC_ERR("hard syn message error [%x, %x]\n", (uint32_t)value, (uint32_t)(readl(base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_AC327_SYN_RX_CH))));
-			spin_unlock(&syn_channel_lock);
-			return -EINVAL;
-		}
-		ARISC_INF("ac327 hard syn message [%x, %x] feedback\n", (unsigned int)value, (unsigned int)pmessage->type);
-		/* if error call the callback function. by superm */
-		if(pmessage->result != 0) {
-			ARISC_ERR("message process error\n");
-			ARISC_ERR("message addr   : %llx\n", pmessage);
-			ARISC_ERR("message state  : %x\n", pmessage->state);
-			ARISC_ERR("message attr   : %x\n", pmessage->attr);
-			ARISC_ERR("message type   : %x\n", pmessage->type);
-			ARISC_ERR("message result : %x\n", pmessage->result);
-			if (pmessage->cb.handler == NULL) {
-				ARISC_WRN("callback not install\n");
-			} else {
-				/* call callback function */
-				ARISC_WRN("call the callback function\n");
-				(*(pmessage->cb.handler))(pmessage->cb.arg);
-			}
-		}
-		spin_unlock(&syn_channel_lock);
-		return 0;
-	}
-
-	/* use ac327 asyn transmit channel */
-	spin_lock(&asyn_channel_lock);
-	while (readl(base + AW_MSGBOX_FIFO_STATUS_REG(ARISC_HWMSGBOX_ARISC_ASYN_RX_CH)) == 1);
-
-	/* write message to message-queue fifo */
-	value = arisc_message_map_to_cpus(pmessage);
-	ARISC_INF("ac327 send message : %x\n", (unsigned int)value);
-	writel(value, base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_ARISC_ASYN_RX_CH));
-	spin_unlock(&asyn_channel_lock);
-
-	return 0;
-}
-
-int arisc_hwmsgbox_feedback_message(struct arisc_message *pmessage, unsigned int timeout)
-{
-	volatile unsigned long value;
-
-	if (pmessage->attr & ARISC_MESSAGE_ATTR_HARDSYN) {
-		/* use ac327 hard syn receiver channel */
-		spin_lock(&syn_channel_lock);
-		while (readl(base + AW_MSGBOX_FIFO_STATUS_REG(ARISC_HWMSGBOX_ARISC_SYN_RX_CH)) == 1);
-
-		value = arisc_message_map_to_cpus(pmessage);
-		ARISC_INF("arisc feedback hard syn message : %x\n", (unsigned int)value);
-		writel(value, base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_ARISC_SYN_RX_CH));
-		spin_unlock(&syn_channel_lock);
-
-		return 0;
-	}
-
-	/* invalid syn message */
-	return -EINVAL;
-}
-
-/**
- * enbale the receiver interrupt of message-queue.
- * @queue:  the number of message-queue which we want to enable interrupt.
- * @user:   the user which we want to enable interrupt.
- *
- * returns:  0 if enable interrupt succeeded, others if failed.
- */
-int arisc_hwmsgbox_enable_receiver_int(int queue, int user)
-{
-	volatile unsigned int value;
-
-	value  =  readl(base + AW_MSGBOX_IRQ_EN_REG(user));
-	value &= ~(0x1 << (queue * 2));
-	value |=  (0x1 << (queue * 2));
-	writel(value, base + AW_MSGBOX_IRQ_EN_REG(user));
-
-	return 0;
-}
-
-/**
- * disbale the receiver interrupt of message-queue.
- * @queue:  the number of message-queue which we want to enable interrupt.
- * @user:   the user which we want to enable interrupt.
- *
- * returns:  0 if disable interrupt succeeded, others if failed.
- */
-int arisc_hwmsgbox_disable_receiver_int(int queue, int user)
-{
-	volatile unsigned int value;
-
-	value  =  readl(base + AW_MSGBOX_IRQ_EN_REG(user));
-	value &= ~(0x1 << (queue * 2));
-	writel(value, base + AW_MSGBOX_IRQ_EN_REG(user));
-
-	return 0;
-}
-
-/**
- * query the receiver interrupt pending of message-queue.
- * @queue:  the number of message-queue which we want to query.
- * @user:   the user which we want to query.
- *
- * returns:  0 if query pending succeeded, others if failed.
- */
-int arisc_hwmsgbox_query_receiver_pending(int queue, int user)
-{
-	volatile unsigned long value;
-
-	value  =  readl(base + (AW_MSGBOX_IRQ_STATUS_REG(user)));
-
-	return value & (0x1 << (queue * 2));
-}
-
-/**
- * clear the receiver interrupt pending of message-queue.
- * @queue:  the number of message-queue which we want to clear.
- * @user:   the user which we want to clear.
- *
- * returns:  0 if clear pending succeeded, others if failed.
- */
-int arisc_hwmsgbox_clear_receiver_pending(int queue, int user)
-{
-	writel((0x1 << (queue * 2)), base + AW_MSGBOX_IRQ_STATUS_REG(user));
-
-	return 0;
-}
-
-/**
- * query message of hwmsgbox by hand, mainly for.
- * @para:  none.
- *
- * returns:  the point of message, NULL if timeout.
- */
-struct arisc_message *arisc_hwmsgbox_query_message(void)
-{
-	struct arisc_message *pmessage = NULL;
-
-	/* query ac327 asyn received channel */
-	if (readl(base + AW_MSGBOX_MSG_STATUS_REG(ARISC_HWMSGBOX_ARISC_ASYN_TX_CH))) {
-		volatile unsigned long value;
-		value = readl(base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_ARISC_ASYN_TX_CH));
-		pmessage = arisc_message_map_to_cpux(value);
-
-		if (arisc_message_valid(pmessage)) {
-			/* message state switch */
-			if (pmessage->state == ARISC_MESSAGE_PROCESSED) {
-				/* ARISC_MESSAGE_PROCESSED->ARISC_MESSAGE_FEEDBACKED */
-				pmessage->state = ARISC_MESSAGE_FEEDBACKED;
-			} else {
-				/* ARISC_MESSAGE_INITIALIZED->ARISC_MESSAGE_RECEIVED */
-				pmessage->state = ARISC_MESSAGE_RECEIVED;
-			}
-		} else {
-			ARISC_ERR("invalid asyn message received: pmessage = 0x%llx. \n", pmessage);
-			return NULL;
-		}
-		/* clear pending */
-		arisc_hwmsgbox_clear_receiver_pending(ARISC_HWMSGBOX_ARISC_ASYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-		return pmessage;
-	}
-	/* query ac327 syn received channel */
-	if (readl(base + AW_MSGBOX_MSG_STATUS_REG(ARISC_HWMSGBOX_ARISC_SYN_TX_CH))) {
-		volatile unsigned long value;
-		value = readl(base + AW_MSGBOX_MSG_REG(ARISC_HWMSGBOX_ARISC_SYN_TX_CH));
-		pmessage = arisc_message_map_to_cpux(value);
-		if (arisc_message_valid(pmessage)) {
-			/* message state switch */
-			if (pmessage->state == ARISC_MESSAGE_PROCESSED) {
-				/* ARISC_MESSAGE_PROCESSED->ARISC_MESSAGE_FEEDBACKED */
-				pmessage->state = ARISC_MESSAGE_FEEDBACKED;
-			} else {
-				/* ARISC_MESSAGE_INITIALIZED->ARISC_MESSAGE_RECEIVED */
-				pmessage->state = ARISC_MESSAGE_RECEIVED;
-			}
-		} else {
-			ARISC_ERR("invalid syn message received: pmessage = 0x%llx. \n", pmessage);
-			arisc_hwmsgbox_clear_receiver_pending(ARISC_HWMSGBOX_ARISC_SYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-			return NULL;
-		}
-		arisc_hwmsgbox_clear_receiver_pending(ARISC_HWMSGBOX_ARISC_SYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-		return pmessage;
-	}
-
-	/* no valid message now */
-	return NULL;
-}
-
-int arisc_hwmsgbox_standby_suspend(void)
-{
-	/* enable arisc asyn tx interrupt */
-	//arisc_hwmsgbox_disable_receiver_int(ARISC_HWMSGBOX_ARISC_ASYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-
-	/* enable arisc syn tx interrupt */
-	//arisc_hwmsgbox_disable_receiver_int(ARISC_HWMSGBOX_ARISC_SYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-
-	return 0;
-}
-
-int arisc_hwmsgbox_standby_resume(void)
-{
-	/* enable arisc asyn tx interrupt */
-	//arisc_hwmsgbox_enable_receiver_int(ARISC_HWMSGBOX_ARISC_ASYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-
-	/* enable arisc syn tx interrupt */
-	//arisc_hwmsgbox_enable_receiver_int(ARISC_HWMSGBOX_ARISC_SYN_TX_CH, AW_HWMSG_QUEUE_USER_AC327);
-
-	return 0;
-}