as3525*: use atomic bit manipulation for CCU_IO

fuzev2 button_read_device() runs in interrupt context so writes are atomic

git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27494 a1c6a512-1295-4272-9138-f99709370657

5 files changed, 11 insertions, 11 deletions

diff --git a/firmware/target/arm/as3525/fmradio-i2c-as3525.c b/firmware/target/arm/as3525/fmradio-i2c-as3525.c
index 9e8dc63144..70287c38b8 100644
--- a/firmware/target/arm/as3525/fmradio-i2c-as3525.c
+++ b/firmware/target/arm/as3525/fmradio-i2c-as3525.c
@@ -158,11 +158,11 @@ void fmradio_i2c_init(void)
 int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count)
 {
 #ifdef SANSA_FUZEV2
-    CCU_IO &= ~(1<<12);
+    bitclr32(&CCU_IO, 1<<12);
 #endif
     int ret = i2c_write_data(fm_i2c_bus, address, -1, buf, count);
 #ifdef SANSA_FUZEV2
-    CCU_IO |= 1<<12;
+    bitset32(&CCU_IO, 1<<12);
 #endif
     return ret;
 }
@@ -170,11 +170,11 @@ int fmradio_i2c_write(unsigned char address, const unsigned char* buf, int count
 int fmradio_i2c_read(unsigned char address, unsigned char* buf, int count)
 {
 #ifdef SANSA_FUZEV2
-    CCU_IO &= ~(1<<12);
+    bitclr32(&CCU_IO, 1<<12);
 #endif
     int ret = i2c_read_data(fm_i2c_bus, address, -1, buf, count);
 #ifdef SANSA_FUZEV2
-    CCU_IO |= 1<<12;
+    bitset32(&CCU_IO, 1<<12);
 #endif
     return ret;
 }
diff --git a/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c b/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
index 015eebfd87..14c8b77aec 100644
--- a/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
+++ b/firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
@@ -29,7 +29,7 @@
 void lcd_hw_init(int *offset)
 {
 /* DBOP initialisation, do what OF does */
-    CCU_IO |= (1<<12); /* ?? */
+    bitset32(&CCU_IO, 1<<12); /* ?? */
     CGU_DBOP |= /*(1<<3)*/ 0x18 | AS3525_DBOP_DIV;
 
     DBOP_CTRL      = 0x51004;
diff --git a/firmware/target/arm/as3525/sansa-fuzev2/lcd-fuzev2.c b/firmware/target/arm/as3525/sansa-fuzev2/lcd-fuzev2.c
index fd6bcb45fc..e87425f762 100644
--- a/firmware/target/arm/as3525/sansa-fuzev2/lcd-fuzev2.c
+++ b/firmware/target/arm/as3525/sansa-fuzev2/lcd-fuzev2.c
@@ -54,7 +54,7 @@ void lcd_write_reg(int reg, int value)
 
 static void as3525_dbop_init(void)
 {
-    CCU_IO |= 1<<12;
+    bitset32(&CCU_IO, 1<<12);
     CGU_DBOP |= (1<<4) | (1<<3) | AS3525_DBOP_DIV;
     DBOP_TIMPOL_01 = 0xE12FE12F;
     DBOP_TIMPOL_23 = 0xE12F0036;
diff --git a/firmware/target/arm/as3525/sd-as3525.c b/firmware/target/arm/as3525/sd-as3525.c
index 6e5845cf0a..35cb997629 100644
--- a/firmware/target/arm/as3525/sd-as3525.c
+++ b/firmware/target/arm/as3525/sd-as3525.c
@@ -564,8 +564,8 @@ int sd_init(void)
     bitset32(&CGU_PERI, CGU_NAF_CLOCK_ENABLE);
 #ifdef HAVE_MULTIDRIVE
     bitset32(&CGU_PERI, CGU_MCI_CLOCK_ENABLE);
-    CCU_IO &= ~(1<<3);           /* bits 3:2 = 01, xpd is SD interface */
-    CCU_IO |= (1<<2);
+    bitclr32(&CCU_IO, 1<<3);    /* bits 3:2 = 01, xpd is SD interface */
+    bitset32(&CCU_IO, 1<<2);
 #endif
 
     wakeup_init(&transfer_completion_signal);
@@ -968,7 +968,7 @@ void sd_enable(bool on)
 #if defined(HAVE_BUTTON_LIGHT) && defined(HAVE_MULTIDRIVE)
         /* buttonlight AMSes need a bit of special handling for the buttonlight
          * here due to the dual mapping of GPIOD and XPD */
-        CCU_IO |= (1<<2);              /* XPD is SD-MCI interface (b3:2 = 01) */
+        bitset32(&CCU_IO, 1<<2);    /* XPD is SD-MCI interface (b3:2 = 01) */
         if (buttonlight_is_on)
             GPIOD_DIR &= ~(1<<7);
         else
@@ -994,7 +994,7 @@ void sd_enable(bool on)
 #endif  /* defined(HAVE_HOTSWAP) && defined (HAVE_ADJUSTABLE_CPU_VOLTAGE) */
 
 #if defined(HAVE_BUTTON_LIGHT) && defined(HAVE_MULTIDRIVE)
-        CCU_IO &= ~(1<<2);           /* XPD is general purpose IO (b3:2 = 00) */
+        bitclr32(&CCU_IO, 1<<2);    /* XPD is general purpose IO (b3:2 = 00) */
         if (buttonlight_is_on)
             _buttonlight_on();
 #endif
diff --git a/firmware/target/arm/as3525/sd-as3525v2.c b/firmware/target/arm/as3525/sd-as3525v2.c
index d42a086770..552d88d3bb 100644
--- a/firmware/target/arm/as3525/sd-as3525v2.c
+++ b/firmware/target/arm/as3525/sd-as3525v2.c
@@ -784,7 +784,7 @@ int sd_init(void)
 
 #ifndef SANSA_CLIPV2
     /* Configure XPD for SD-MCI interface */
-    CCU_IO |= (1<<2);
+    bitset32(&CCU_IO, 1<<2);
 #endif
 
     VIC_INT_ENABLE = INTERRUPT_NAND;