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as3525*: use atomic bit manipulation for CCU_IO

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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
This commit is contained in:
Rafaël Carré 2010-07-19 15:56:15 +00:00
parent 25491980d6
commit b221d6d4d4
5 changed files with 11 additions and 11 deletions
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8
firmware/target/arm/as3525/fmradio-i2c-as3525.c
View file

@ -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;
}

2
firmware/target/arm/as3525/sansa-clipv2/lcd-clipv2.c
View file

@ -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;

2
firmware/target/arm/as3525/sansa-fuzev2/lcd-fuzev2.c
View file

@ -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;

8
firmware/target/arm/as3525/sd-as3525.c
View file

@ -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

2
firmware/target/arm/as3525/sd-as3525v2.c
View file

@ -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;