[BSP][qemu-vexpress-a9] code cleaup for compiling warning.

Author: BernardXiong

bsp/qemu-vexpress-a9/drivers/drv_sdio.c

@@ -440,14 +440,11 @@ int pl180_init(void)
     sdhci->priv = pdat;
     write32(pdat->virt + PL180_POWER, 0xbf);
 
-    // rt_kprintf("power:0x%08x\n", read32(pdat->virt + PL180_POWER));
-
     host->ops = &ops;
     host->freq_min = 400000;
     host->freq_max = 50000000;
     host->valid_ocr = VDD_32_33 | VDD_33_34;
-    // host->flags = MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED | MMCSD_SUP_SDIO_IRQ | MMCSD_BUSWIDTH_4;
-    host->flags = MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED | MMCSD_SUP_SDIO_IRQ;
+    host->flags = MMCSD_MUTBLKWRITE | MMCSD_SUP_HIGHSPEED | MMCSD_SUP_SDIO_IRQ | MMCSD_BUSWIDTH_4;
     host->max_seg_size = 2048;
     host->max_dma_segs = 10;
     host->max_blk_size = 512;

bsp/qemu-vexpress-a9/drivers/secondary_cpu.c

@@ -17,6 +17,8 @@
 #include "drv_timer.h"
 
 #ifdef RT_USING_SMP
+#include <interrupt.h>
+
 static void rt_hw_timer2_isr(int vector, void *param)
 {
     rt_tick_increase();

components/drivers/sdio/sd.c

@@ -264,7 +264,7 @@ static rt_int32_t mmcsd_switch(struct rt_mmcsd_card *card)
 
     if ((buf[16] & 0xF) != 1) 
     {
-        LOG_E("switching card to high speed failed!");
+        LOG_I("switching card to high speed failed!");
         goto err;
     }
 

libcpu/arm/cortex-a/interrupt.h

@@ -17,6 +17,8 @@
 #define INT_IRQ     0x00
 #define INT_FIQ     0x01
 
+void rt_hw_vector_init(void);
+
 void rt_hw_interrupt_control(int vector, int priority, int route);
 
 void rt_hw_interrupt_init(void);