drivers/misc/rockchip-efuse.c

2  * eFuse driver for Rockchip devices
92 	u32 ctrl;      /* 0x00  efuse control register */
93 	u32 dout;      /* 0x04  efuse data out register */
94 	u32 rf;        /* 0x08  efuse redundancy bit used register */
98 		       /* 0x14	efuse strobe finish control register */
120 	/* setup efuse timing */  in rk1808_efuse_timing_init()
139 	struct rockchip_efuse_regs *efuse =  in rockchip_rk1808_efuse_read()  local
160 		       &efuse->auto_ctrl);  in rockchip_rk1808_efuse_read()
162 		status = readl(&efuse->int_status);  in rockchip_rk1808_efuse_read()
167 		out_value = readl(&efuse->dout2);  in rockchip_rk1808_efuse_read()
168 		writel(RK1808_INT_FINISH, &efuse->int_status);  in rockchip_rk1808_efuse_read()
185 	struct rockchip_efuse_regs *efuse =  in rockchip_rk3368_efuse_read()  local
191 	sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3368_efuse_read()
195 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3368_efuse_read()
196 		sip_smc_secure_reg_write((ulong)&efuse->ctrl, res.a1 &  in rockchip_rk3368_efuse_read()
199 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3368_efuse_read()
200 		sip_smc_secure_reg_write((ulong)&efuse->ctrl, res.a1 |  in rockchip_rk3368_efuse_read()
205 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3368_efuse_read()
206 		sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3368_efuse_read()
210 		res = sip_smc_secure_reg_read((ulong)&efuse->dout);  in rockchip_rk3368_efuse_read()
213 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3368_efuse_read()
214 		sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3368_efuse_read()
220 	sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3368_efuse_read()
231 	struct rockchip_efuse_regs *efuse =  in rockchip_rk3399_efuse_read()  local
244 	/* cap to the size of the efuse block */  in rockchip_rk3399_efuse_read()
249 	       &efuse->ctrl);  in rockchip_rk3399_efuse_read()
252 		setbits_le32(&efuse->ctrl,  in rockchip_rk3399_efuse_read()
255 		out_value = readl(&efuse->dout);  in rockchip_rk3399_efuse_read()
256 		clrbits_le32(&efuse->ctrl, RK3399_STROBE);  in rockchip_rk3399_efuse_read()
264 	writel(RK3399_PD | RK3399_CSB, &efuse->ctrl);  in rockchip_rk3399_efuse_read()
275 	struct rockchip_efuse_regs *efuse =  in rockchip_rk3288_efuse_read()  local
284 	writel(RK3288_LOAD | RK3288_PGENB, &efuse->ctrl);  in rockchip_rk3288_efuse_read()
288 		writel(readl(&efuse->ctrl) &  in rockchip_rk3288_efuse_read()
290 				&efuse->ctrl);  in rockchip_rk3288_efuse_read()
292 		writel(readl(&efuse->ctrl) |  in rockchip_rk3288_efuse_read()
294 				&efuse->ctrl);  in rockchip_rk3288_efuse_read()
297 		writel(readl(&efuse->ctrl) |  in rockchip_rk3288_efuse_read()
298 				RK3288_STROBE, &efuse->ctrl);  in rockchip_rk3288_efuse_read()
301 		*buffer++ = readl(&efuse->dout);  in rockchip_rk3288_efuse_read()
303 		writel(readl(&efuse->ctrl) &  in rockchip_rk3288_efuse_read()
304 				(~RK3288_STROBE), &efuse->ctrl);  in rockchip_rk3288_efuse_read()
309 	writel(RK3288_PGENB | RK3288_CSB, &efuse->ctrl);  in rockchip_rk3288_efuse_read()
319 	struct rockchip_efuse_regs *efuse =  in rockchip_rk3288_efuse_secure_read()  local
329 	sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3288_efuse_secure_read()
333 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3288_efuse_secure_read()
334 		sip_smc_secure_reg_write((ulong)&efuse->ctrl, res.a1 &  in rockchip_rk3288_efuse_secure_read()
337 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3288_efuse_secure_read()
338 		sip_smc_secure_reg_write((ulong)&efuse->ctrl, res.a1 |  in rockchip_rk3288_efuse_secure_read()
343 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3288_efuse_secure_read()
344 		sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3288_efuse_secure_read()
348 		res = sip_smc_secure_reg_read((ulong)&efuse->dout);  in rockchip_rk3288_efuse_secure_read()
351 		res = sip_smc_secure_reg_read((ulong)&efuse->ctrl);  in rockchip_rk3288_efuse_secure_read()
352 		sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3288_efuse_secure_read()
358 	sip_smc_secure_reg_write((ulong)&efuse->ctrl,  in rockchip_rk3288_efuse_secure_read()
369 	struct rockchip_efuse_regs *efuse =  in rockchip_rk3328_efuse_read()  local
380 	/* 128 Byte efuse, 96 Byte for secure, 32 Byte for non-secure */  in rockchip_rk3328_efuse_read()
396 		         &efuse->auto_ctrl);  in rockchip_rk3328_efuse_read()
398 		status = readl(&efuse->int_status);  in rockchip_rk3328_efuse_read()
403 		out_value = readl(&efuse->dout2);  in rockchip_rk3328_efuse_read()
404 		writel(RK3328_INT_FINISH, &efuse->int_status);  in rockchip_rk3328_efuse_read()
430 	*buf = device_is_compatible(dev, "rockchip,rk3288-secure-efuse") ?  in rockchip_efuse_capatiblity()
465 		.compatible = "rockchip,rk1808-efuse",
470 		.compatible = "rockchip,rk3288-secure-efuse",
475 		.compatible = "rockchip,rk3066a-efuse",
479 		.compatible = "rockchip,rk3188-efuse",
483 		.compatible = "rockchip,rk322x-efuse",
487 		.compatible = "rockchip,rk3328-efuse",
492 		.compatible = "rockchip,rk3368-efuse",
497 		.compatible = "rockchip,rk3399-efuse",