1 // SPDX-License-Identifier: GPL-2.0-only
22 #include "cm-regbits-34xx.h"
23 #include "prm-regbits-34xx.h"
141 	u32 val;  in omap_ctrl_readb()  local
144 	val = omap_ctrl_readl(offset);  in omap_ctrl_readb()
146 	return (val >> (byte_offset * 8)) & 0xff;  in omap_ctrl_readb()
151 	u32 val;  in omap_ctrl_readw()  local
154 	val = omap_ctrl_readl(offset);  in omap_ctrl_readw()
156 	return (val >> (byte_offset * 8)) & 0xffff;  in omap_ctrl_readw()
166 void omap_ctrl_writeb(u8 val, u16 offset)  in omap_ctrl_writeb()  argument
174 	tmp |= val << (byte_offset * 8);  in omap_ctrl_writeb()
179 void omap_ctrl_writew(u16 val, u16 offset)  in omap_ctrl_writew()  argument
187 	tmp |= val << (byte_offset * 8);  in omap_ctrl_writew()
192 void omap_ctrl_writel(u32 val, u16 offset)  in omap_ctrl_writel()  argument
195 	writel_relaxed(val, omap2_ctrl_base + offset);  in omap_ctrl_writel()
201  * omap3_ctrl_write_boot_mode - set scratchpad boot mode for the next boot
202  * @bootmode: 8-bit value to pass to some boot code
205  * system restarts.  Not sure what actually uses this - it may be the
206  * bootloader, rather than the boot ROM - contrary to the preserved
217 	 * with the boot ROM. A pointer to a data structure  in omap3_ctrl_write_boot_mode()
222 	 * XXX This should use some omap_ctrl_writel()-type function  in omap3_ctrl_write_boot_mode()
243 	 * physical restore address where the ROM code jumps while waking  in omap3_save_scratchpad_contents()
476  * omap3_ctrl_save_padconf - save padconf registers to scratchpad RAM
480  * should also eventually be able to return -ETIMEDOUT, if the save
503  * omap3_ctrl_set_iva_bootmode_idle - sets the IVA2 bootmode to idle
506  * force disable IVA2 so that it does not prevent any low-power states.
515  * omap3_ctrl_setup_d2d_padconf - setup stacked modem pads for idle
530 	mask = (1 << 4) | (1 << 3); /* pull-up, enabled */  in omap3_ctrl_setup_d2d_padconf()
541  * omap3_ctrl_init - does static initializations for control module
617  * am43xx_control_save_context - Save the wakeup domain registers
631  * am43xx_control_restore_context - Restore the wakeup domain registers
672 	.offset = -OMAP2_CONTROL_GENERAL,
680 	{ .compatible = "ti,am3-scm", .data = &ctrl_data },
681 	{ .compatible = "ti,am4-scm", .data = &ctrl_data },
682 	{ .compatible = "ti,omap2-scm", .data = &omap2_ctrl_data },
683 	{ .compatible = "ti,omap3-scm", .data = &omap2_ctrl_data },
684 	{ .compatible = "ti,dm814-scm", .data = &ctrl_data },
685 	{ .compatible = "ti,dm816-scrm", .data = &ctrl_data },
686 	{ .compatible = "ti,omap4-scm-core", .data = &ctrl_data },
687 	{ .compatible = "ti,omap5-scm-core", .data = &ctrl_data },
688 	{ .compatible = "ti,omap5-scm-wkup-pad-conf", .data = &ctrl_aux_data },
689 	{ .compatible = "ti,dra7-scm-core", .data = &ctrl_data },
694  * omap2_control_base_init - initialize iomappings for the control driver
708 		data = (struct control_init_data *)match->data;  in omap2_control_base_init()
713 			return -ENOMEM;  in omap2_control_base_init()
716 		if (data->index == TI_CLKM_CTRL) {  in omap2_control_base_init()
718 			omap2_ctrl_offset = data->offset;  in omap2_control_base_init()
721 		data->mem = mem;  in omap2_control_base_init()
728  * omap_control_init - low level init for the control driver
743 		data = match->data;  in omap_control_init()
761 							      data->index,  in omap_control_init()
768 			ret = omap2_clk_provider_init(np, data->index, NULL,  in omap_control_init()
769 						      data->mem);  in omap_control_init()
775 	/* Only AM43XX can lose ctrl registers context during rtc-ddr suspend */  in omap_control_init()