From 0279daeeee7810525fa5eaec8793270055c97648 Mon Sep 17 00:00:00 2001
From: bigmagic <zhaofujin@rt-thread.com>
Date: Sun, 1 Mar 2020 13:18:00 +0800
Subject: [PATCH] add raspi3 mbox driver

---
 bsp/raspberry-pi/raspi3-64/driver/SConscript | 1 +
 bsp/raspberry-pi/raspi3-64/driver/board.c    | 1 +
 bsp/raspberry-pi/raspi3-64/driver/mbox.c     | 4 ----
 3 files changed, 2 insertions(+), 4 deletions(-)

diff --git a/bsp/raspberry-pi/raspi3-64/driver/SConscript b/bsp/raspberry-pi/raspi3-64/driver/SConscript
index 484e20faff..c51b2c42bf 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/SConscript
+++ b/bsp/raspberry-pi/raspi3-64/driver/SConscript
@@ -6,6 +6,7 @@ cwd     = GetCurrentDir()
 src     = Split('''
 board.c
 drv_uart.c
+mbox.c
 ''')
 CPPPATH = [cwd]
 
diff --git a/bsp/raspberry-pi/raspi3-64/driver/board.c b/bsp/raspberry-pi/raspi3-64/driver/board.c
index 35f90bf54f..19a232272f 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/board.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/board.c
@@ -99,6 +99,7 @@ void rt_hw_board_init(void)
     armv8_map(0x3f200000, 0x3f200000, 0x16000, MEM_ATTR_IO);//uart
     armv8_map(0x40000000, 0x40000000, 0x1000, MEM_ATTR_IO);//core timer
     armv8_map(0x3F300000, 0x3F300000, 0x1000, MEM_ATTR_IO);//sdio
+    armv8_map(0xc00000, 0xc00000, 0x1000, MEM_ATTR_IO);//mbox
     mmu_enable();
     
     /* initialize hardware interrupt */
diff --git a/bsp/raspberry-pi/raspi3-64/driver/mbox.c b/bsp/raspberry-pi/raspi3-64/driver/mbox.c
index 36ed95b429..1d995340d6 100644
--- a/bsp/raspberry-pi/raspi3-64/driver/mbox.c
+++ b/bsp/raspberry-pi/raspi3-64/driver/mbox.c
@@ -17,10 +17,6 @@ volatile unsigned int *mbox = (volatile unsigned int *) MBOX_ADDR;
 /**
  * Make a mailbox call. Returns 0 on failure, non-zero on success
  */
-void init_mbox_mmu_map(){
-	rt_hw_change_mmu_table(MBOX_ADDR, 96, MBOX_ADDR, STRONG_ORDER_MEM);
-}
-
 int mbox_call(unsigned char ch, int mmu_enable)
 {
     unsigned int r = (((MBOX_ADDR)&~0xF) | (ch&0xF));
-- 
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