C++ (Cpp) pwrdm_enable_hdwr_sar示例

示例#1

文件： omap4-sar.c 项目： samno1607/PromethiusProject-Kernel-

 /*
  * omap4_sar_save -
  * Save the context to SAR_RAM1 and SAR_RAM2 as per
  * sar_ram1_layout and sar_ram2_layout for the device OFF mode
  */
void omap4_sar_save(void)
{
	/*
	 * Not supported on ES1.0 silicon
	 */
	if (omap_rev() == OMAP4430_REV_ES1_0) {
		WARN_ONCE(1, "omap4: SAR backup not supported on ES1.0 ..\n");
		return;
	}

	/*
	 * SAR bits and clocks needs to be enabled
	 */
	pwrdm_enable_hdwr_sar(l3init_pwrdm);
	clk_enable(usb_host_ck);
	clk_enable(usb_tll_ck);

	/* Save SAR BANK1 */
	sar_save(NB_REGS_CONST_SETS_RAM1_HW, SAR_BANK1_OFFSET, sar_ram1_layout);

	pwrdm_disable_hdwr_sar(l3init_pwrdm);
	clk_disable(usb_host_ck);
	clk_disable(usb_tll_ck);

	/* Save SAR BANK2 */
	sar_save(NB_REGS_CONST_SETS_RAM2_HW, SAR_BANK2_OFFSET, sar_ram2_layout);
}

示例#2

文件： omap4-sar.c 项目： Superdallas/JBX_Kernel

 /*
  * omap4_sar_save -
  * Save the context to SAR_RAM1 and SAR_RAM2 as per
  * omap4xxx_sar_ram1_layout and omap4xxx_sar_ram2_layout for the device OFF
  * mode
  */
int omap4_sar_save(void)
{
	/*
	 * Not supported on ES1.0 silicon
	 */
	if (omap_rev() == OMAP4430_REV_ES1_0) {
		WARN_ONCE(1, "omap4: SAR backup not supported on ES1.0 ..\n");
		return -ENODEV;
	}

	if (omap4_sar_not_accessible()) {
		pr_debug("%s: USB SAR CNTX registers are not accessible!\n",
			 __func__);
		return -EBUSY;
	}

	/*
	 * SAR bits and clocks needs to be enabled
	 */
	clkdm_wakeup(l3init_clkdm);
	pwrdm_enable_hdwr_sar(l3init_pwrdm);
	clk_enable(usb_host_ck);
	clk_enable(usb_tll_ck);

	/* Save SAR BANK1 */
	if (cpu_is_omap446x())
		sar_save(ARRAY_SIZE(omap446x_sar_ram1_layout), SAR_BANK1_OFFSET,
			 omap446x_sar_ram1_layout);
	else
		sar_save(ARRAY_SIZE(omap443x_sar_ram1_layout), SAR_BANK1_OFFSET,
			 omap443x_sar_ram1_layout);

	clk_disable(usb_host_ck);
	clk_disable(usb_tll_ck);
	pwrdm_disable_hdwr_sar(l3init_pwrdm);
	clkdm_allow_idle(l3init_clkdm);

	/* Save SAR BANK2 */
	if (cpu_is_omap446x())
		sar_save(ARRAY_SIZE(omap446x_sar_ram2_layout), SAR_BANK2_OFFSET,
			 omap446x_sar_ram2_layout);
	else
		sar_save(ARRAY_SIZE(omap443x_sar_ram2_layout), SAR_BANK2_OFFSET,
			 omap443x_sar_ram2_layout);

	return 0;
}

示例#3

文件： omap4-sar.c 项目： Superdallas/JBX_Kernel

void omap4_usb_sar_restore(void)
{
	u32 i;

	pr_err("USB SAR- SW Restore\n");
	clkdm_wakeup(l3init_clkdm);
	pwrdm_enable_hdwr_sar(l3init_pwrdm);
	clk_enable(usb_host_ck);
	clk_enable(usb_tll_ck);

	for (i = 0; i < (USB_SAR_AREA_END-USB_SAR_AREA_START)/4; i++)
		__raw_writel(usb_sar_data[i].val, usb_sar_data[i].reg_addr);

	clk_disable(usb_host_ck);
	clk_disable(usb_tll_ck);
	pwrdm_disable_hdwr_sar(l3init_pwrdm);
	clkdm_allow_idle(l3init_clkdm);
}

示例#4

文件： omap4-sar.c 项目： BytecodeMe/kernel_mapphone_kexec

 /*
  * omap4_sar_save -
  * Save the context to SAR_RAM1 and SAR_RAM2 as per
  * sar_ram1_layout and sar_ram2_layout for the device OFF mode
  */
int omap4_sar_save(void)
{
	struct clockdomain *l3_init_clkdm;

	/*
	 * Not supported on ES1.0 silicon
	 */
	if (omap_rev() == OMAP4430_REV_ES1_0) {
		WARN_ONCE(1, "omap4: SAR backup not supported on ES1.0 ..\n");
		return 0;
	}

	if (omap4_sar_enable_check() < 0) {
		WARN(1, "%s: SAR enable check failed!\n", __func__);
		return -EBUSY;
	}

	l3_init_clkdm = clkdm_lookup("l3_init_clkdm");
	omap2_clkdm_wakeup(l3_init_clkdm);
	/*
	 * SAR bits and clocks needs to be enabled
	 */
	pwrdm_enable_hdwr_sar(l3init_pwrdm);
	clk_enable(usb_host_ck);
	clk_enable(usb_tll_ck);

	/* Save SAR BANK1 */
	sar_save(NB_REGS_CONST_SETS_RAM1_HW, SAR_BANK1_OFFSET, sar_ram1_layout);

	clk_disable(usb_host_ck);
	clk_disable(usb_tll_ck);
	pwrdm_disable_hdwr_sar(l3init_pwrdm);

	omap2_clkdm_allow_idle(l3_init_clkdm);

	/* Save SAR BANK2 */
	sar_save(NB_REGS_CONST_SETS_RAM2_HW, SAR_BANK2_OFFSET, sar_ram2_layout);

	return 0;
}