1 // SPDX-License-Identifier: GPL-2.0+
11  *       etc.) which would make common driver an ifdef nightmare :-(
19 #include <asm/arch/imx-regs.h>
36 	while (--timeout) {  in mxs_ocotp_wait_busy_clear()
37 		reg = readl(&ocotp_regs->hw_ocotp_ctrl);  in mxs_ocotp_wait_busy_clear()
44 		return -EINVAL;  in mxs_ocotp_wait_busy_clear()
54 	writel(OCOTP_CTRL_ERROR, &ocotp_regs->hw_ocotp_ctrl_clr);  in mxs_ocotp_clear_error()
63 		       &ocotp_regs->hw_ocotp_ctrl_set);  in mxs_ocotp_read_bank_open()
74 		       &ocotp_regs->hw_ocotp_ctrl_clr);  in mxs_ocotp_read_bank_open()
91 		scale_val = readl(&power_regs->hw_power_vddioctrl);  in mxs_ocotp_scale_vddio()
100 		 * most designs due to load etc., so we play safe. Undervolt  in mxs_ocotp_scale_vddio()
105 			clrsetbits_le32(&power_regs->hw_power_vddioctrl,  in mxs_ocotp_scale_vddio()
106 					POWER_VDDIOCTRL_TRG_MASK, --scale_val);  in mxs_ocotp_scale_vddio()
112 			clrsetbits_le32(&power_regs->hw_power_vddioctrl,  in mxs_ocotp_scale_vddio()
125 	while (--timeout) {  in mxs_ocotp_wait_hclk_ready()
126 		reg = readl(&clkctrl_regs->hw_clkctrl_hbus);  in mxs_ocotp_wait_hclk_ready()
132 		return -EINVAL;  in mxs_ocotp_wait_hclk_ready()
148 	       &clkctrl_regs->hw_clkctrl_clkseq_set);  in mxs_ocotp_scale_hclk()
152 		*val = readl(&clkctrl_regs->hw_clkctrl_hbus);  in mxs_ocotp_scale_hclk()
166 	       &clkctrl_regs->hw_clkctrl_hbus_set);  in mxs_ocotp_scale_hclk()
168 	       &clkctrl_regs->hw_clkctrl_hbus_clr);  in mxs_ocotp_scale_hclk()
178 	       &clkctrl_regs->hw_clkctrl_clkseq_clr);  in mxs_ocotp_scale_hclk()
209 		goto fail;  in mxs_ocotp_write_fuse()
213 	writel(addr | OCOTP_CTRL_WR_UNLOCK_KEY, &ocotp_regs->hw_ocotp_ctrl);  in mxs_ocotp_write_fuse()
216 	writel(mask, &ocotp_regs->hw_ocotp_data);  in mxs_ocotp_write_fuse()
223 		goto fail;  in mxs_ocotp_write_fuse()
227 	if (readl(&ocotp_regs->hw_ocotp_ctrl) & OCOTP_CTRL_ERROR) {  in mxs_ocotp_write_fuse()
229 		ret = -EPERM;  in mxs_ocotp_write_fuse()
230 		goto fail;  in mxs_ocotp_write_fuse()
233 fail:  in mxs_ocotp_write_fuse()
246 	reg = ((uint32_t)&ocotp_regs->hw_ocotp_cust0) + (reg << 4);  in mxs_ocotp_read_fuse()
276 		return -EINVAL;  in mxs_ocotp_valid()
278 		return -EINVAL;  in mxs_ocotp_valid()
309 	/* We do not support sensing :-( */  in fuse_sense()
310 	return -EINVAL;  in fuse_sense()
315 	/* We do not support overriding :-( */  in fuse_override()
316 	return -EINVAL;  in fuse_override()