104 static int cs553x_write_ctrl_byte(struct cs553x_nand_controller *cs553x,  in cs553x_write_ctrl_byte()  argument
110 	writeb(ctl, cs553x->mmio + MM_NAND_CTL);  in cs553x_write_ctrl_byte()
111 	writeb(data, cs553x->mmio + MM_NAND_IO);  in cs553x_write_ctrl_byte()
112 	ret = readb_poll_timeout_atomic(cs553x->mmio + MM_NAND_STS, status,  in cs553x_write_ctrl_byte()
121 static void cs553x_data_in(struct cs553x_nand_controller *cs553x, void *buf,  in cs553x_data_in()  argument
124 	writeb(0, cs553x->mmio + MM_NAND_CTL);  in cs553x_data_in()
126 		memcpy_fromio(buf, cs553x->mmio, 0x800);  in cs553x_data_in()
130 	memcpy_fromio(buf, cs553x->mmio, len);  in cs553x_data_in()
133 static void cs553x_data_out(struct cs553x_nand_controller *cs553x,  in cs553x_data_out()  argument
136 	writeb(0, cs553x->mmio + MM_NAND_CTL);  in cs553x_data_out()
138 		memcpy_toio(cs553x->mmio, buf, 0x800);  in cs553x_data_out()
142 	memcpy_toio(cs553x->mmio, buf, len);  in cs553x_data_out()
145 static int cs553x_wait_ready(struct cs553x_nand_controller *cs553x,  in cs553x_wait_ready()  argument
151 	return readb_poll_timeout(cs553x->mmio + MM_NAND_STS, status,  in cs553x_wait_ready()
156 static int cs553x_exec_instr(struct cs553x_nand_controller *cs553x,  in cs553x_exec_instr()  argument
164 		ret = cs553x_write_ctrl_byte(cs553x, CS_NAND_CTL_CLE,  in cs553x_exec_instr()
170 			ret = cs553x_write_ctrl_byte(cs553x, CS_NAND_CTL_ALE,  in cs553x_exec_instr()
178 		cs553x_data_in(cs553x, instr->ctx.data.buf.in,  in cs553x_exec_instr()
183 		cs553x_data_out(cs553x, instr->ctx.data.buf.out,  in cs553x_exec_instr()
188 		ret = cs553x_wait_ready(cs553x, instr->ctx.waitrdy.timeout_ms);  in cs553x_exec_instr()
202 	struct cs553x_nand_controller *cs553x = to_cs553x(this->controller);  in cs553x_exec_op()  local
210 	writeb(0, cs553x->mmio + MM_NAND_CTL);  in cs553x_exec_op()
212 		ret = cs553x_exec_instr(cs553x, &op->instrs[i]);  in cs553x_exec_op()
218 	writeb(CS_NAND_CTL_CE, cs553x->mmio + MM_NAND_CTL);  in cs553x_exec_op()
225 	struct cs553x_nand_controller *cs553x = to_cs553x(this->controller);  in cs_enable_hwecc()  local
227 	writeb(0x07, cs553x->mmio + MM_NAND_ECC_CTL);  in cs_enable_hwecc()
233 	struct cs553x_nand_controller *cs553x = to_cs553x(this->controller);  in cs_calculate_ecc()  local
236 	ecc = readl(cs553x->mmio + MM_NAND_STS);  in cs_calculate_ecc()