本文整理汇总了C++中clrbits_le32函数的典型用法代码示例。如果您正苦于以下问题:C++ clrbits_le32函数的具体用法?C++ clrbits_le32怎么用?C++ clrbits_le32使用的例子?那么恭喜您, 这里精选的函数代码示例或许可以为您提供帮助。
在下文中一共展示了clrbits_le32函数的15个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: mx28_power_set_vddd
void mx28_power_set_vddd(uint32_t new_target, uint32_t new_brownout)
{
struct mx28_power_regs *power_regs =
(struct mx28_power_regs *)MXS_POWER_BASE;
uint32_t cur_target, diff, bo_int = 0;
uint32_t powered_by_linreg = 0;
new_brownout = new_target - new_brownout;
cur_target = readl(&power_regs->hw_power_vdddctrl);
cur_target &= POWER_VDDDCTRL_TRG_MASK;
cur_target *= 25; /* 25 mV step*/
cur_target += 800; /* 800 mV lowest */
powered_by_linreg = mx28_get_vddd_power_source_off();
if (new_target > cur_target) {
if (powered_by_linreg) {
bo_int = readl(&power_regs->hw_power_vdddctrl);
clrbits_le32(&power_regs->hw_power_vdddctrl,
POWER_CTRL_ENIRQ_VDDD_BO);
}
setbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_BO_OFFSET_MASK);
do {
if (new_target - cur_target > 100)
diff = cur_target + 100;
else
diff = new_target;
diff -= 800;
diff /= 25;
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_TRG_MASK, diff);
if (powered_by_linreg ||
(readl(&power_regs->hw_power_sts) &
POWER_STS_VDD5V_GT_VDDIO))
early_delay(1500);
else {
while (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DC_OK))
;
}
cur_target = readl(&power_regs->hw_power_vdddctrl);
cur_target &= POWER_VDDDCTRL_TRG_MASK;
cur_target *= 25; /* 25 mV step*/
cur_target += 800; /* 800 mV lowest */
} while (new_target > cur_target);
if (powered_by_linreg) {
writel(POWER_CTRL_VDDD_BO_IRQ,
&power_regs->hw_power_ctrl_clr);
if (bo_int & POWER_CTRL_ENIRQ_VDDD_BO)
setbits_le32(&power_regs->hw_power_vdddctrl,
POWER_CTRL_ENIRQ_VDDD_BO);
}
} else {
do {
if (cur_target - new_target > 100)
diff = cur_target - 100;
else
diff = new_target;
diff -= 800;
diff /= 25;
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_TRG_MASK, diff);
if (powered_by_linreg ||
(readl(&power_regs->hw_power_sts) &
POWER_STS_VDD5V_GT_VDDIO))
early_delay(1500);
else {
while (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DC_OK))
;
}
cur_target = readl(&power_regs->hw_power_vdddctrl);
cur_target &= POWER_VDDDCTRL_TRG_MASK;
cur_target *= 25; /* 25 mV step*/
cur_target += 800; /* 800 mV lowest */
} while (new_target < cur_target);
}
clrsetbits_le32(&power_regs->hw_power_vdddctrl,
POWER_VDDDCTRL_BO_OFFSET_MASK,
new_brownout << POWER_VDDDCTRL_BO_OFFSET_OFFSET);
}
示例2: system_clock_init
void system_clock_init(struct mem_timings *mem,
struct arm_clk_ratios *arm_clk_ratio)
{
u32 val, tmp;
/* Turn on the MCT as early as possible. */
exynos_mct->g_tcon |= (1 << 8);
clrbits_le32(&exynos_clock->src_cpu, MUX_APLL_SEL_MASK);
do {
val = readl(&exynos_clock->mux_stat_cpu);
} while ((val | MUX_APLL_SEL_MASK) != val);
clrbits_le32(&exynos_clock->src_core1, MUX_MPLL_SEL_MASK);
do {
val = readl(&exynos_clock->mux_stat_core1);
} while ((val | MUX_MPLL_SEL_MASK) != val);
clrbits_le32(&exynos_clock->src_top2, MUX_CPLL_SEL_MASK);
clrbits_le32(&exynos_clock->src_top2, MUX_EPLL_SEL_MASK);
clrbits_le32(&exynos_clock->src_top2, MUX_VPLL_SEL_MASK);
clrbits_le32(&exynos_clock->src_top2, MUX_GPLL_SEL_MASK);
tmp = MUX_CPLL_SEL_MASK | MUX_EPLL_SEL_MASK | MUX_VPLL_SEL_MASK
| MUX_GPLL_SEL_MASK;
do {
val = readl(&exynos_clock->mux_stat_top2);
} while ((val | tmp) != val);
clrbits_le32(&exynos_clock->src_cdrex, MUX_BPLL_SEL_MASK);
do {
val = readl(&exynos_clock->mux_stat_cdrex);
} while ((val | MUX_BPLL_SEL_MASK) != val);
/* PLL locktime */
writel(APLL_LOCK_VAL, &exynos_clock->apll_lock);
writel(MPLL_LOCK_VAL, &exynos_clock->mpll_lock);
writel(BPLL_LOCK_VAL, &exynos_clock->bpll_lock);
writel(CPLL_LOCK_VAL, &exynos_clock->cpll_lock);
writel(GPLL_LOCK_VAL, &exynos_clock->gpll_lock);
writel(EPLL_LOCK_VAL, &exynos_clock->epll_lock);
writel(VPLL_LOCK_VAL, &exynos_clock->vpll_lock);
writel(CLK_REG_DISABLE, &exynos_clock->pll_div2_sel);
writel(MUX_HPM_SEL_MASK, &exynos_clock->src_cpu);
do {
val = readl(&exynos_clock->mux_stat_cpu);
} while ((val | HPM_SEL_SCLK_MPLL) != val);
val = arm_clk_ratio->arm2_ratio << 28
| arm_clk_ratio->apll_ratio << 24
| arm_clk_ratio->pclk_dbg_ratio << 20
| arm_clk_ratio->atb_ratio << 16
| arm_clk_ratio->periph_ratio << 12
| arm_clk_ratio->acp_ratio << 8
| arm_clk_ratio->cpud_ratio << 4
| arm_clk_ratio->arm_ratio;
writel(val, &exynos_clock->div_cpu0);
do {
val = readl(&exynos_clock->div_stat_cpu0);
} while (0 != val);
writel(CLK_DIV_CPU1_VAL, &exynos_clock->div_cpu1);
do {
val = readl(&exynos_clock->div_stat_cpu1);
} while (0 != val);
/* switch A15 clock source to OSC clock before changing APLL */
clrbits_le32(&exynos_clock->src_cpu, APLL_FOUT);
/* Set APLL */
writel(APLL_CON1_VAL, &exynos_clock->apll_con1);
val = set_pll(arm_clk_ratio->apll_mdiv, arm_clk_ratio->apll_pdiv,
arm_clk_ratio->apll_sdiv);
writel(val, &exynos_clock->apll_con0);
while ((readl(&exynos_clock->apll_con0) & APLL_CON0_LOCKED) == 0)
;
/* now it is safe to switch to APLL */
setbits_le32(&exynos_clock->src_cpu, APLL_FOUT);
/* Set MPLL */
writel(MPLL_CON1_VAL, &exynos_clock->mpll_con1);
val = set_pll(mem->mpll_mdiv, mem->mpll_pdiv, mem->mpll_sdiv);
writel(val, &exynos_clock->mpll_con0);
while ((readl(&exynos_clock->mpll_con0) & MPLL_CON0_LOCKED) == 0)
;
/*
* Configure MUX_MPLL_FOUT to choose the direct clock source
* path and avoid the fixed DIV/2 block to save power
*/
setbits_le32(&exynos_clock->pll_div2_sel, MUX_MPLL_FOUT_SEL);
//.........这里部分代码省略.........
示例3: rk_edp_enable_sw_function
static void rk_edp_enable_sw_function(struct rk3288_edp *regs)
{
clrbits_le32(®s->func_en_1, SW_FUNC_EN_N);
}
示例4: read_write_byte
static void read_write_byte(struct s3c24x0_i2c *i2c)
{
clrbits_le32(&i2c->iiccon, I2CCON_IRPND);
}
示例5: scan_mgr_io_scan_chain_prg
/*
* scan_mgr_io_scan_chain_prg
* Program HPS IO Scan Chain
*/
unsigned long
scan_mgr_io_scan_chain_prg(
IOScanChainSelect io_scan_chain_id,
uint32_t io_scan_chain_len_in_bits,
const unsigned long *iocsr_scan_chain)
{
uint16_t tdi_tdo_header;
uint32_t io_program_iter;
uint32_t io_scan_chain_data_residual;
uint32_t residual;
uint32_t i;
uint32_t index = 0;
/*
* Check if IO bank is in frozen state before proceed to program IO
* scan chain.
* Note: IO scan chain ID is 1:1 mapping to freeze channel ID
*/
DEBUG_MEMORY
if (sys_mgr_frzctrl_frzchn_is_frozen(io_scan_chain_id)) {
/* De-assert reinit if the IO scan chain is intended for HIO */
if (IO_SCAN_CHAIN_3 == io_scan_chain_id) {
DEBUG_MEMORY
clrbits_le32((SOCFPGA_SYSMGR_ADDRESS+
SYSMGR_FRZCTRL_HIOCTRL_ADDRESS),
SYSMGR_FRZCTRL_HIOCTRL_DLLRST_MASK);
} /* if (HIO) */
/*
* Check if the scan chain engine is inactive and the
* WFIFO is empty before enabling the IO scan chain
*/
if (SCAN_MGR_IO_SCAN_ENGINE_STATUS_IDLE
!= scan_mgr_io_scan_chain_engine_is_idle(
MAX_WAITING_DELAY_IO_SCAN_ENGINE)) {
DEBUG_MEMORY
return 1;
}
/*
* Enable IO Scan chain based on scan chain id
* Note: only one chain can be enabled at a time
*/
setbits_le32((SOCFPGA_SCANMGR_ADDRESS +
SCANMGR_EN_ADDRESS),
1 << io_scan_chain_id);
/*
* Calculate number of iteration needed for
* full 128-bit (4 x32-bits) bits shifting.
* Each TDI_TDO packet can shift in maximum 128-bits
*/
io_program_iter
= io_scan_chain_len_in_bits >>
IO_SCAN_CHAIN_128BIT_SHIFT;
io_scan_chain_data_residual
= io_scan_chain_len_in_bits &
IO_SCAN_CHAIN_128BIT_MASK;
/*
* Construct TDI_TDO packet for
* 128-bit IO scan chain (2 bytes)
*/
tdi_tdo_header = TDI_TDO_HEADER_FIRST_BYTE
| (TDI_TDO_MAX_PAYLOAD <<
TDI_TDO_HEADER_SECOND_BYTE_SHIFT);
/* Program IO scan chain in 128-bit iteration */
DEBUG_MEMORY
for (i = 0; i < io_program_iter; i++) {
/* write TDI_TDO packet header to scan manager */
writel(tdi_tdo_header,
(SOCFPGA_SCANMGR_ADDRESS +
SCANMGR_FIFODOUBLEBYTE_ADDRESS));
/* calculate array index */
index = i * 4;
/*
* write 4 successive 32-bit IO scan
* chain data into WFIFO
*/
writel(iocsr_scan_chain[index],
(SOCFPGA_SCANMGR_ADDRESS +
SCANMGR_FIFOQUADBYTE_ADDRESS));
writel(iocsr_scan_chain[index + 1],
(SOCFPGA_SCANMGR_ADDRESS +
SCANMGR_FIFOQUADBYTE_ADDRESS));
writel(iocsr_scan_chain[index + 2],
(SOCFPGA_SCANMGR_ADDRESS +
SCANMGR_FIFOQUADBYTE_ADDRESS));
writel(iocsr_scan_chain[index + 3],
(SOCFPGA_SCANMGR_ADDRESS +
//.........这里部分代码省略.........
示例6: _spi_xfer
static int _spi_xfer(struct kwspi_registers *reg, unsigned int bitlen,
const void *dout, void *din, unsigned long flags)
{
unsigned int tmpdout, tmpdin;
int tm, isread = 0;
debug("spi_xfer: dout %p din %p bitlen %u\n", dout, din, bitlen);
if (flags & SPI_XFER_BEGIN)
_spi_cs_activate(reg);
/*
* handle data in 8-bit chunks
* TBD: 2byte xfer mode to be enabled
*/
clrsetbits_le32(®->cfg, KWSPI_XFERLEN_MASK, KWSPI_XFERLEN_1BYTE);
while (bitlen > 4) {
debug("loopstart bitlen %d\n", bitlen);
tmpdout = 0;
/* Shift data so it's msb-justified */
if (dout)
tmpdout = *(u32 *)dout & 0xff;
clrbits_le32(®->irq_cause, KWSPI_SMEMRDIRQ);
writel(tmpdout, ®->dout); /* Write the data out */
debug("*** spi_xfer: ... %08x written, bitlen %d\n",
tmpdout, bitlen);
/*
* Wait for SPI transmit to get out
* or time out (1 second = 1000 ms)
* The NE event must be read and cleared first
*/
for (tm = 0, isread = 0; tm < KWSPI_TIMEOUT; ++tm) {
if (readl(®->irq_cause) & KWSPI_SMEMRDIRQ) {
isread = 1;
tmpdin = readl(®->din);
debug("spi_xfer: din %p..%08x read\n",
din, tmpdin);
if (din) {
*((u8 *)din) = (u8)tmpdin;
din += 1;
}
if (dout)
dout += 1;
bitlen -= 8;
}
if (isread)
break;
}
if (tm >= KWSPI_TIMEOUT)
printf("*** spi_xfer: Time out during SPI transfer\n");
debug("loopend bitlen %d\n", bitlen);
}
if (flags & SPI_XFER_END)
_spi_cs_deactivate(reg);
return 0;
}
示例7: mxs_power_init_4p2_regulator
static void mxs_power_init_4p2_regulator(void)
{
struct mxs_power_regs *power_regs =
(struct mxs_power_regs *)MXS_POWER_BASE;
uint32_t tmp, tmp2;
setbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_ENABLE_4P2);
writel(POWER_CHARGE_ENABLE_LOAD, &power_regs->hw_power_charge_set);
writel(POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK,
&power_regs->hw_power_5vctrl_clr);
clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_TRG_MASK);
/* Power up the 4p2 rail and logic/control */
writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
&power_regs->hw_power_5vctrl_clr);
/*
* Start charging up the 4p2 capacitor. We ramp of this charge
* gradually to avoid large inrush current from the 5V cable which can
* cause transients/problems
*/
mxs_enable_4p2_dcdc_input(0);
if (readl(&power_regs->hw_power_ctrl) & POWER_CTRL_VBUS_VALID_IRQ) {
/*
* If we arrived here, we were unable to recover from mx23 chip
* errata 5837. 4P2 is disabled and sufficient battery power is
* not present. Exiting to not enable DCDC power during 5V
* connected state.
*/
clrbits_le32(&power_regs->hw_power_dcdc4p2,
POWER_DCDC4P2_ENABLE_DCDC);
writel(POWER_5VCTRL_PWD_CHARGE_4P2_MASK,
&power_regs->hw_power_5vctrl_set);
hang();
}
/*
* Here we set the 4p2 brownout level to something very close to 4.2V.
* We then check the brownout status. If the brownout status is false,
* the voltage is already close to the target voltage of 4.2V so we
* can go ahead and set the 4P2 current limit to our max target limit.
* If the brownout status is true, we need to ramp us the current limit
* so that we don't cause large inrush current issues. We step up the
* current limit until the brownout status is false or until we've
* reached our maximum defined 4p2 current limit.
*/
clrsetbits_le32(&power_regs->hw_power_dcdc4p2,
POWER_DCDC4P2_BO_MASK,
22 << POWER_DCDC4P2_BO_OFFSET); /* 4.15V */
if (!(readl(&power_regs->hw_power_sts) & POWER_STS_DCDC_4P2_BO)) {
setbits_le32(&power_regs->hw_power_5vctrl,
0x3f << POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET);
} else {
tmp = (readl(&power_regs->hw_power_5vctrl) &
POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK) >>
POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET;
while (tmp < 0x3f) {
if (!(readl(&power_regs->hw_power_sts) &
POWER_STS_DCDC_4P2_BO)) {
tmp = readl(&power_regs->hw_power_5vctrl);
tmp |= POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK;
early_delay(100);
writel(tmp, &power_regs->hw_power_5vctrl);
break;
} else {
tmp++;
tmp2 = readl(&power_regs->hw_power_5vctrl);
tmp2 &= ~POWER_5VCTRL_CHARGE_4P2_ILIMIT_MASK;
tmp2 |= tmp <<
POWER_5VCTRL_CHARGE_4P2_ILIMIT_OFFSET;
writel(tmp2, &power_regs->hw_power_5vctrl);
early_delay(100);
}
}
}
clrbits_le32(&power_regs->hw_power_dcdc4p2, POWER_DCDC4P2_BO_MASK);
writel(POWER_CTRL_DCDC4P2_BO_IRQ, &power_regs->hw_power_ctrl_clr);
}
示例8: sdio_pwr_off
static void sdio_pwr_off(unsigned port)
{
setbits_le32(P_PREG_CGPIO_O,(1<<12));
clrbits_le32(P_PREG_CGPIO_EN_N,(1<<12));
}
示例9: hdmi_tx_set_hdmi_5v
static void hdmi_tx_set_hdmi_5v(void)
{
/*Power on VCC_5V for HDMI_5V*/
clrbits_le32(P_AO_GPIO_O_EN_N, ((1<<2)|(1<<18)));
}
示例10: lowlevel_init
void lowlevel_init(void* cur,void * target)
{
int i;
#if 0
if(cur != target) //r0!=r1
{
//running from spi
// take me as a spi rom boot mode
romboot_info->por_cfg = POR_INTL_SPI |
(READ_CBUS_REG(ASSIST_POR_CONFIG)&(~POR_INTL_CFG_MASK));
romboot_info->boot_id = 0;//boot from spi
/// Release pull up registers .
}
#endif
//gpiob_8
clrbits_le32(P_PREG_GGPIO_O, 1<<16);
clrbits_le32(P_PREG_GGPIO_EN_N, 1<<16);
//gpiob_5
clrbits_le32(P_PREG_GGPIO_O, 1<<13);
clrbits_le32(P_PREG_GGPIO_EN_N, 1<<13);
//writel((1<<22)|100000,P_WATCHDOG_TC);//enable Watchdog 1 seconds
//Adjust 1us timer base
//clrbits_le32(P_PREG_FGPIO_O, 1<<21);
//mute
// setbits_le32(P_PREG_GGPIO_O, 1<<5);
// clrbits_le32(P_PREG_GGPIO_EN_N, 1<<5);
// //vcc_12v/24v power down GPIOX_70
// setbits_le32(P_PREG_GGPIO_O, 1<<6);
// clrbits_le32(P_PREG_GGPIO_EN_N, 1<<6);
// bl
// setbits_le32(P_PREG_FGPIO_O, 1<<21);
// clrbits_le32(P_PREG_FGPIO_EN_N, 1<<21);
//Wr(REG_LVDS_PHY_CNTL4, 0);//LVDS_MDR_PU
//clrbits_le32(P_PREG_GGPIO_O, 1<<6);
//clrbits_le32(P_PREG_GGPIO_EN_N, 1<<6);
WRITE_CBUS_REG_BITS(PREG_CTLREG0_ADDR,CONFIG_CRYSTAL_MHZ,4,5);
/*
Select TimerE 1 us base
*/
clrsetbits_le32(P_ISA_TIMER_MUX,0x7<<8,0x1<<8);
if(1)
{
writel(0,P_WATCHDOG_TC);//disable Watchdog
//while(1)
{
__udelay(50000);
}
}
memory_pll_init(0,NULL);
//serial_put_dword(get_timer(0));
//serial_put_dword(readl(0xc1100000+0x200b*4));
#if CONFIG_ENABLE_SPL_DEBUG_ROM
__udelay(100000);//wait for a uart input
if(serial_tstc()){
writel(0,P_WATCHDOG_TC);//disable Watchdog
debug_rom(__FILE__,__LINE__);
}
#else
__udelay(1000);//delay 1 ms , wait pll ready
#endif
#if 1
#if CONFIG_ENABLE_SPL_DEBUG_ROM
if(ddr_init_test()){
writel(0,P_WATCHDOG_TC);//disable Watchdog
debug_rom(__FILE__,__LINE__);
}
#else
do{
}while(ddr_init_test(0x6));
#endif
#endif
writel(0,P_WATCHDOG_TC);//disable Watchdog
//serial_puts("\nM2C (Haier TV) Systemp Started\n");
}
示例11: i2s_fifo
/*
* flushes the i2stx fifo
*
* @param i2s_reg i2s regiter address
* @param flush Tx fifo flush command (0x00 - do not flush
* 0x80 - flush tx fifo)
*/
void i2s_fifo(struct exynos5_i2s *i2s_reg, unsigned int flush)
{
/* Flush the FIFO */
setbits_le32(&i2s_reg->fic, flush);
clrbits_le32(&i2s_reg->fic, flush);
}
示例12: usb_setup_utmip
/* Assume USBx clocked, out of reset, UTMI+ PLL set up, SAMP_x out of pwrdn */
void usb_setup_utmip(void *usb_base)
{
struct usb_ctlr *usb = (struct usb_ctlr *)usb_base;
/* KHz formulas were guessed from U-Boot constants. Formats unclear. */
int khz = clock_get_pll_input_khz();
/* Stop UTMI+ crystal clock while we mess with its settings */
clrbits_le32(&usb->utmip.misc1, 1 << 30); /* PHY_XTAL_CLKEN */
udelay(1);
/* Take stuff out of pwrdn and add some magic numbers from U-Boot */
write32(0x8 << 25 | /* HS slew rate [10:4] */
0x3 << 22 | /* HS driver output 'SETUP' [6:4] */
0 << 21 | /* LS bias selection */
0 << 18 | /* PDZI pwrdn */
0 << 16 | /* PD2 pwrdn */
0 << 14 | /* PD pwrdn */
1 << 13 | /* (rst) HS receiver terminations */
0x1 << 10 | /* (rst) LS falling slew rate */
0x1 << 8 | /* (rst) LS rising slew rate */
0x4 << 0 | /* HS driver output 'SETUP' [3:0] */
0, &usb->utmip.xcvr0);
write32(0x7 << 18 | /* Termination range adjustment */
0 << 4 | /* PDDR pwrdn */
0 << 2 | /* PDCHRP pwrdn */
0 << 0 | /* PDDISC pwrdn */
0, &usb->utmip.xcvr1);
write32(1 << 19 | /* FS send initial J before sync(?) */
1 << 16 | /* (rst) Allow stuff error on SoP */
1 << 9 | /* (rst) Check disc only on EoP */
0, &usb->utmip.tx);
write32(0x2 << 30 | /* (rst) Keep pattern on active */
1 << 28 | /* (rst) Realign inertia on pkt */
0x1 << 24 | /* (rst) edges-1 to move sampling */
0x3 << 21 | /* (rst) squelch delay on EoP */
0x11 << 15 | /* cycles until IDLE */
0x10 << 10 | /* elastic input depth */
0, &usb->utmip.hsrx0);
/* U-Boot claims the USBD values for these are used across all UTMI+
* PHYs. That sounds so horribly wrong that I'm not going to implement
* it, but keep it in mind if we're ever not using the USBD port. */
write32(0x1 << 24 | /* HS disconnect detect level [2] */
1 << 23 | /* (rst) IDPD value */
1 << 22 | /* (rst) IDPD select */
1 << 11 | /* (rst) OTG pwrdn */
0 << 10 | /* bias pwrdn */
0x1 << 2 | /* HS disconnect detect level [1:0] */
0x2 << 0 | /* HS squelch detect level */
0, &usb->utmip.bias0);
write32(khz / 2200 << 3 | /* bias pwrdn cycles (20us?) */
1 << 2 | /* (rst) VBUS wakeup pwrdn */
0 << 0 | /* PDTRK pwrdn */
0, &usb->utmip.bias1);
write32(0xffff << 16 | /* (rst) */
25 * khz / 10 << 0 | /* TODO: what's this, really? */
0, &usb->utmip.debounce);
udelay(1);
setbits_le32(&usb->utmip.misc1, 1 << 30); /* PHY_XTAL_CLKEN */
write32(1 << 12 | /* UTMI+ enable */
0 << 11 | /* UTMI+ reset */
0, &usb->suspend_ctrl);
usb_ehci_reset_and_prepare(usb, USB_PHY_UTMIP);
printk(BIOS_DEBUG, "USB controller @ %p set up with UTMI+ PHY\n",usb_base);
}
示例13: key_init
//POWER key
inline void key_init(void)
{
clrbits_le32(P_RTC_ADDR0, (1<<11));
clrbits_le32(P_RTC_ADDR1, (1<<3));
}
示例14: prcm_init
/******************************************************************************
* prcm_init() - inits clocks for PRCM as defined in clocks.h
* called from SRAM, or Flash (using temp SRAM stack).
*****************************************************************************/
void prcm_init(void)
{
u32 osc_clk = 0, sys_clkin_sel;
u32 clk_index, sil_index = 0;
struct prm *prm_base = (struct prm *)PRM_BASE;
struct prcm *prcm_base = (struct prcm *)PRCM_BASE;
/*
* Gauge the input clock speed and find out the sys_clkin_sel
* value corresponding to the input clock.
*/
osc_clk = get_osc_clk_speed();
get_sys_clkin_sel(osc_clk, &sys_clkin_sel);
/* set input crystal speed */
clrsetbits_le32(&prm_base->clksel, 0x00000007, sys_clkin_sel);
/* If the input clock is greater than 19.2M always divide/2 */
if (sys_clkin_sel > 2) {
/* input clock divider */
clrsetbits_le32(&prm_base->clksrc_ctrl, 0x000000C0, 2 << 6);
clk_index = sys_clkin_sel / 2;
} else {
/* input clock divider */
clrsetbits_le32(&prm_base->clksrc_ctrl, 0x000000C0, 1 << 6);
clk_index = sys_clkin_sel;
}
if (get_cpu_family() == CPU_OMAP36XX) {
/*
* In warm reset conditions on OMAP36xx/AM/DM37xx
* the rom code incorrectly sets the DPLL4 clock
* input divider to /6.5. Section 3.5.3.3.3.2.1 of
* the AM/DM37x TRM explains that the /6.5 divider
* is used only when the input clock is 13MHz.
*
* If the part is in this cpu family *and* the input
* clock *is not* 13 MHz, then reset the DPLL4 clock
* input divider to /1 as it should never set to /6.5
* in this case.
*/
if (sys_clkin_sel != 1) { /* 13 MHz */
/* Bit 8: DPLL4_CLKINP_DIV */
clrbits_le32(&prm_base->clksrc_ctrl, 0x00000100);
}
/* Unlock MPU DPLL (slows things down, and needed later) */
clrsetbits_le32(&prcm_base->clken_pll_mpu,
0x00000007, PLL_LOW_POWER_BYPASS);
wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu,
LDELAY);
dpll3_init_36xx(0, clk_index);
dpll4_init_36xx(0, clk_index);
dpll5_init_36xx(0, clk_index);
iva_init_36xx(0, clk_index);
mpu_init_36xx(0, clk_index);
/* Lock MPU DPLL to set frequency */
clrsetbits_le32(&prcm_base->clken_pll_mpu,
0x00000007, PLL_LOCK);
wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu,
LDELAY);
} else {
/*
* The DPLL tables are defined according to sysclk value and
* silicon revision. The clk_index value will be used to get
* the values for that input sysclk from the DPLL param table
* and sil_index will get the values for that SysClk for the
* appropriate silicon rev.
*/
if (((get_cpu_family() == CPU_OMAP34XX)
&& (get_cpu_rev() >= CPU_3XX_ES20)) ||
(get_cpu_family() == CPU_AM35XX))
sil_index = 1;
/* Unlock MPU DPLL (slows things down, and needed later) */
clrsetbits_le32(&prcm_base->clken_pll_mpu,
0x00000007, PLL_LOW_POWER_BYPASS);
wait_on_value(ST_MPU_CLK, 0, &prcm_base->idlest_pll_mpu,
LDELAY);
dpll3_init_34xx(sil_index, clk_index);
dpll4_init_34xx(sil_index, clk_index);
dpll5_init_34xx(sil_index, clk_index);
if (get_cpu_family() != CPU_AM35XX)
iva_init_34xx(sil_index, clk_index);
mpu_init_34xx(sil_index, clk_index);
/* Lock MPU DPLL to set frequency */
clrsetbits_le32(&prcm_base->clken_pll_mpu,
0x00000007, PLL_LOCK);
wait_on_value(ST_MPU_CLK, 1, &prcm_base->idlest_pll_mpu,
LDELAY);
}
//.........这里部分代码省略.........
示例15: rk_edp_enable_sw_function
static void rk_edp_enable_sw_function(struct rk_edp *edp)
{
clrbits_le32(&edp->regs->func_en_1, SW_FUNC_EN_N);
}