arm/mach-omap2/control.c

1 // SPDX-License-Identifier: GPL-2.0-only
22 #include "cm-regbits-34xx.h"
23 #include "prm-regbits-34xx.h"
206  * omap3_ctrl_write_boot_mode - set scratchpad boot mode for the next boot
207  * @bootmode: 8-bit value to pass to some boot code
210  * system restarts.  Not sure what actually uses this - it may be the
211  * bootloader, rather than the boot ROM - contrary to the preserved
223 	 * describing the boot process can be stored there,  in omap3_ctrl_write_boot_mode()
227 	 * XXX This should use some omap_ctrl_writel()-type function  in omap3_ctrl_write_boot_mode()
235  * omap_ctrl_write_dsp_boot_addr - set boot address for a remote processor
258  * omap_ctrl_write_dsp_boot_mode - set boot mode for a remote processor
259  * @bootmode: 8-bit value to pass to some boot code
280  * Clears the scratchpad contents in case of cold boot-
354 	 * be programed to issue automatic self refresh on timeout  in omap3_save_scratchpad_contents()
542  * omap3_ctrl_save_padconf - save padconf registers to scratchpad RAM
546  * should also eventually be able to return -ETIMEDOUT, if the save
569  * omap3_ctrl_set_iva_bootmode_idle - sets the IVA2 bootmode to idle
572  * force disable IVA2 so that it does not prevent any low-power states.
581  * omap3_ctrl_setup_d2d_padconf - setup stacked modem pads for idle
596 	mask = (1 << 4) | (1 << 3); /* pull-up, enabled */  in omap3_ctrl_setup_d2d_padconf()
607  * omap3_ctrl_init - does static initializations for control module
683  * am43xx_control_save_context - Save the wakeup domain registers
697  * am43xx_control_restore_context - Restore the wakeup domain registers
738 	.offset = -OMAP2_CONTROL_GENERAL,
746 	{ .compatible = "ti,am3-scm", .data = &ctrl_data },
747 	{ .compatible = "ti,am4-scm", .data = &ctrl_data },
748 	{ .compatible = "ti,omap2-scm", .data = &omap2_ctrl_data },
749 	{ .compatible = "ti,omap3-scm", .data = &omap2_ctrl_data },
750 	{ .compatible = "ti,dm814-scm", .data = &ctrl_data },
751 	{ .compatible = "ti,dm816-scrm", .data = &ctrl_data },
752 	{ .compatible = "ti,omap4-scm-core", .data = &ctrl_data },
753 	{ .compatible = "ti,omap5-scm-core", .data = &ctrl_data },
754 	{ .compatible = "ti,omap5-scm-wkup-pad-conf", .data = &ctrl_aux_data },
755 	{ .compatible = "ti,dra7-scm-core", .data = &ctrl_data },
760  * omap2_control_base_init - initialize iomappings for the control driver
774 		data = (struct control_init_data *)match->data;  in omap2_control_base_init()
778 			return -ENOMEM;  in omap2_control_base_init()
780 		if (data->index == TI_CLKM_CTRL) {  in omap2_control_base_init()
782 			omap2_ctrl_offset = data->offset;  in omap2_control_base_init()
785 		data->mem = mem;  in omap2_control_base_init()
792  * omap_control_init - low level init for the control driver
807 		data = match->data;  in omap_control_init()
823 							      data->index,  in omap_control_init()
830 			ret = omap2_clk_provider_init(np, data->index, NULL,  in omap_control_init()
831 						      data->mem);  in omap_control_init()
837 	/* Only AM43XX can lose ctrl registers context during rtc-ddr suspend */  in omap_control_init()
847  * omap3_control_legacy_iomap_init - legacy iomap init for clock providers