24 static int rockchip_otp_wait_status(struct rockchip_otp_platdata *otp,  in rockchip_otp_wait_status()  argument
29 	while (!(readl(otp->base + OTPC_INT_STATUS) & flag)) {  in rockchip_otp_wait_status()
39 	writel(flag, otp->base + OTPC_INT_STATUS);  in rockchip_otp_wait_status()
44 static int rockchip_otp_ecc_enable(struct rockchip_otp_platdata *otp,  in rockchip_otp_ecc_enable()  argument
50 	       otp->base + OTPC_SBPI_CTRL);  in rockchip_otp_ecc_enable()
52 	writel(SBPI_CMD_VALID_MASK | 0x1, otp->base + OTPC_SBPI_CMD_VALID_PRE);  in rockchip_otp_ecc_enable()
54 	       otp->base + OTPC_SBPI_CMD0_OFFSET);  in rockchip_otp_ecc_enable()
56 		writel(SBPI_ECC_ENABLE, otp->base + OTPC_SBPI_CMD1_OFFSET);  in rockchip_otp_ecc_enable()
58 		writel(SBPI_ECC_DISABLE, otp->base + OTPC_SBPI_CMD1_OFFSET);  in rockchip_otp_ecc_enable()
60 	writel(SBPI_ENABLE_MASK | SBPI_ENABLE, otp->base + OTPC_SBPI_CTRL);  in rockchip_otp_ecc_enable()
62 	ret = rockchip_otp_wait_status(otp, OTPC_SBPI_DONE);  in rockchip_otp_ecc_enable()
72 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_px30_otp_read()  local
76 	ret = rockchip_otp_ecc_enable(otp, false);  in rockchip_px30_otp_read()
82 	writel(OTPC_USE_USER | OTPC_USE_USER_MASK, otp->base + OTPC_USER_CTRL);  in rockchip_px30_otp_read()
86 		       otp->base + OTPC_USER_ADDR);  in rockchip_px30_otp_read()
88 		       otp->base + OTPC_USER_ENABLE);  in rockchip_px30_otp_read()
89 		ret = rockchip_otp_wait_status(otp, OTPC_USER_DONE);  in rockchip_px30_otp_read()
94 		*buffer++ = readb(otp->base + OTPC_USER_Q);  in rockchip_px30_otp_read()
98 	writel(0x0 | OTPC_USE_USER_MASK, otp->base + OTPC_USER_CTRL);  in rockchip_px30_otp_read()
103 static int rk3308bs_otp_wait_status(struct rockchip_otp_platdata *otp, u32 flag)  in rk3308bs_otp_wait_status()  argument
107 	while (!(readl(otp->base + OTPC_IRQ_ST) & flag)) {  in rk3308bs_otp_wait_status()
117 	writel(flag, otp->base + OTPC_IRQ_ST);  in rk3308bs_otp_wait_status()
122 static int rk3308bs_otp_active(struct rockchip_otp_platdata *otp)  in rk3308bs_otp_active()  argument
127 	mode = readl(otp->base + OTPC_MODE_CTRL);  in rk3308bs_otp_active()
131 		writel(OTPC_STANDBY, otp->base + OTPC_MODE_CTRL);  in rk3308bs_otp_active()
132 		ret = rk3308bs_otp_wait_status(otp, OTPC_DP2STB_IRQ_ST);  in rk3308bs_otp_active()
134 			dev_err(otp->dev, "timeout during wait dp2stb\n");  in rk3308bs_otp_active()
138 		writel(OTPC_ACTIVE, otp->base + OTPC_MODE_CTRL);  in rk3308bs_otp_active()
139 		ret = rk3308bs_otp_wait_status(otp, OTPC_STB2ACT_IRQ_ST);  in rk3308bs_otp_active()
141 			dev_err(otp->dev, "timeout during wait stb2act\n");  in rk3308bs_otp_active()
152 static int rk3308bs_otp_standby(struct rockchip_otp_platdata *otp)  in rk3308bs_otp_standby()  argument
157 	mode = readl(otp->base + OTPC_MODE_CTRL);  in rk3308bs_otp_standby()
161 		writel(OTPC_STANDBY, otp->base + OTPC_MODE_CTRL);  in rk3308bs_otp_standby()
162 		ret = rk3308bs_otp_wait_status(otp, OTPC_ACT2STB_IRQ_ST);  in rk3308bs_otp_standby()
164 			dev_err(otp->dev, "timeout during wait act2stb\n");  in rk3308bs_otp_standby()
168 		writel(OTPC_DEEP_STANDBY, otp->base + OTPC_MODE_CTRL);  in rk3308bs_otp_standby()
169 		ret = rk3308bs_otp_wait_status(otp, OTPC_STB2DP_IRQ_ST);  in rk3308bs_otp_standby()
171 			dev_err(otp->dev, "timeout during wait stb2dp\n");  in rk3308bs_otp_standby()
185 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_rk3308bs_otp_read()  local
196 	ret = rk3308bs_otp_active(otp);  in rockchip_rk3308bs_otp_read()
212 		writel(OTPC_TRANS_NUM, otp->base + OTPC_REPR_RD_TRANS_NUM);  in rockchip_rk3308bs_otp_read()
213 		writel(addr_start++, otp->base + OTPC_ACCESS_ADDR);  in rockchip_rk3308bs_otp_read()
214 		writel(OTPC_READ_ACCESS, otp->base + OTPC_MODE_CTRL);  in rockchip_rk3308bs_otp_read()
215 		ret = rk3308bs_otp_wait_status(otp, OTPC_RDM_IRQ_ST);  in rockchip_rk3308bs_otp_read()
220 		out_value = readl(otp->base + OTPC_RD_DATA);  in rockchip_rk3308bs_otp_read()
228 	rk3308bs_otp_standby(otp);  in rockchip_rk3308bs_otp_read()
236 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_rk3568_otp_read()  local
251 	ret = rockchip_otp_ecc_enable(otp, true);  in rockchip_rk3568_otp_read()
257 	writel(OTPC_USE_USER | OTPC_USE_USER_MASK, otp->base + OTPC_USER_CTRL);  in rockchip_rk3568_otp_read()
261 		       otp->base + OTPC_USER_ADDR);  in rockchip_rk3568_otp_read()
263 		       otp->base + OTPC_USER_ENABLE);  in rockchip_rk3568_otp_read()
264 		ret = rockchip_otp_wait_status(otp, OTPC_USER_DONE);  in rockchip_rk3568_otp_read()
269 		out_value = readl(otp->base + OTPC_USER_Q);  in rockchip_rk3568_otp_read()
277 	writel(0x0 | OTPC_USE_USER_MASK, otp->base + OTPC_USER_CTRL);  in rockchip_rk3568_otp_read()
287 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_rk3588_otp_read()  local
316 		       otp->base + RK3588_OTPC_AUTO_CTRL);  in rockchip_rk3588_otp_read()
317 		writel(RK3588_AUTO_EN, otp->base + RK3588_OTPC_AUTO_EN);  in rockchip_rk3588_otp_read()
318 		ret = readl_poll_timeout(otp->base + RK3588_OTPC_INT_ST, st,  in rockchip_rk3588_otp_read()
324 		writel(RK3588_RD_DONE, otp->base + RK3588_OTPC_INT_ST);  in rockchip_rk3588_otp_read()
326 		out_value = readl(otp->base + RK3588_OTPC_DOUT0);  in rockchip_rk3588_otp_read()
342 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_rv1126_otp_init()  local
346 	writel(0x0, otp->base + RV1126_OTP_NVM_CEB);  in rockchip_rv1126_otp_init()
347 	ret = readl_poll_timeout(otp->base + RV1126_OTP_NVM_ST, status,  in rockchip_rv1126_otp_init()
354 	writel(0x1, otp->base + RV1126_OTP_NVM_RSTB);  in rockchip_rv1126_otp_init()
355 	ret = readl_poll_timeout(otp->base + RV1126_OTP_NVM_ST, status,  in rockchip_rv1126_otp_init()
368 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_rv1126_otp_read()  local
374 		writel(offset++, otp->base + RV1126_OTP_NVM_RADDR);  in rockchip_rv1126_otp_read()
375 		writel(0x1, otp->base + RV1126_OTP_NVM_RSTART);  in rockchip_rv1126_otp_read()
376 		ret = readl_poll_timeout(otp->base + RV1126_OTP_READ_ST,  in rockchip_rv1126_otp_read()
383 		*buffer++ = readb(otp->base + RV1126_OTP_NVM_RDATA);  in rockchip_rv1126_otp_read()
410 	struct rockchip_otp_platdata *otp = dev_get_platdata(dev);  in rockchip_otp_ofdata_to_platdata()  local
412 	otp->base = dev_read_addr_ptr(dev);  in rockchip_otp_ofdata_to_platdata()