Lines Matching refs:otp
78 static int sp_otp_read_real(struct sp_ocotp_priv *otp, int addr, char *value)
94 writel(readl(otp->base[OTPRX] + OTP_STATUS) & OTP_READ_DONE_MASK &
95 OTP_LOAD_SECURE_DONE_MASK, otp->base[OTPRX] + OTP_STATUS);
96 writel(addr, otp->base[OTPRX] + OTP_READ_ADDRESS);
97 writel(readl(otp->base[OTPRX] + OTP_CONTROL_2) | OTP_READ,
98 otp->base[OTPRX] + OTP_CONTROL_2);
99 writel(readl(otp->base[OTPRX] + OTP_CONTROL_2) & SEL_BAK_KEY2_MASK & SW_TRIM_EN_MASK
101 otp->base[OTPRX] + OTP_CONTROL_2);
102 writel((readl(otp->base[OTPRX] + OTP_CONTROL_2) & OTP_RD_PERIOD_MASK) | CPU_CLOCK,
103 otp->base[OTPRX] + OTP_CONTROL_2);
105 ret = readl_poll_timeout(otp->base[OTPRX] + OTP_STATUS, status,
111 *value = (readl(otp->base[HB_GPIO] + ADDRESS_8_DATA + addr_data * OTP_WORD_SIZE)
119 struct sp_ocotp_priv *otp = priv;
125 ret = clk_enable(otp->clk);
131 ret = sp_otp_read_real(otp, addr, val);
133 dev_err(otp->dev, "OTP read fail:%d at %d", ret, addr);
141 clk_disable(otp->clk);
160 struct sp_ocotp_priv *otp;
164 otp = devm_kzalloc(dev, sizeof(*otp), GFP_KERNEL);
165 if (!otp)
168 otp->dev = dev;
171 otp->base[HB_GPIO] = devm_ioremap_resource(dev, res);
172 if (IS_ERR(otp->base[HB_GPIO]))
173 return PTR_ERR(otp->base[HB_GPIO]);
176 otp->base[OTPRX] = devm_ioremap_resource(dev, res);
177 if (IS_ERR(otp->base[OTPRX]))
178 return PTR_ERR(otp->base[OTPRX]);
180 otp->clk = devm_clk_get(&pdev->dev, NULL);
181 if (IS_ERR(otp->clk))
182 return dev_err_probe(&pdev->dev, PTR_ERR(otp->clk),
185 ret = clk_prepare(otp->clk);
191 sp_ocotp_nvmem_config.priv = otp;
209 clk_unprepare(otp->clk);