1 // SPDX-License-Identifier: GPL-2.0
3  * Texas Instruments Ethernet Switch media-access-controller (MAC) submodule/
122 		.device_id = "cpsw",
193 	if (sl->regs[reg] == CPSW_SL_REG_NOTUSED) {  in cpsw_sl_reg_read()
194 		dev_err(sl->dev, "cpsw_sl: not sup r reg: %04X\n",  in cpsw_sl_reg_read()
195 			sl->regs[reg]);  in cpsw_sl_reg_read()
199 	val = readl(sl->sl_base + sl->regs[reg]);  in cpsw_sl_reg_read()
200 	dev_dbg(sl->dev, "cpsw_sl: reg: %04X r 0x%08X\n", sl->regs[reg], val);  in cpsw_sl_reg_read()
206 	if (sl->regs[reg] == CPSW_SL_REG_NOTUSED) {  in cpsw_sl_reg_write()
207 		dev_err(sl->dev, "cpsw_sl: not sup w reg: %04X\n",  in cpsw_sl_reg_write()
208 			sl->regs[reg]);  in cpsw_sl_reg_write()
212 	dev_dbg(sl->dev, "cpsw_sl: reg: %04X w 0x%08X\n", sl->regs[reg], val);  in cpsw_sl_reg_write()
213 	writel(val, sl->sl_base + sl->regs[reg]);  in cpsw_sl_reg_write()
223 	while (id->device_id) {  in cpsw_sl_match_id()
224 		if (strcmp(device_id, id->device_id) == 0)  in cpsw_sl_match_id()
239 		return ERR_PTR(-ENOMEM);  in cpsw_sl_get()
240 	sl->dev = dev;  in cpsw_sl_get()
241 	sl->sl_base = sl_base;  in cpsw_sl_get()
245 		dev_err(sl->dev, "cpsw_sl: dev_id %s not found.\n", device_id);  in cpsw_sl_get()
246 		return ERR_PTR(-EINVAL);  in cpsw_sl_get()
248 	sl->regs = sl_dev_id->regs;  in cpsw_sl_get()
249 	sl->control_features = sl_dev_id->control_features;  in cpsw_sl_get()
250 	sl->idle_mask = sl_dev_id->idle_mask;  in cpsw_sl_get()
251 	sl->sl_base += sl_dev_id->regs_offset;  in cpsw_sl_get()
271 		dev_err(sl->dev, "cpsw_sl failed to soft-reset.\n");  in cpsw_sl_reset()
278 	if (ctl_funcs & ~sl->control_features) {  in cpsw_sl_ctl_set()
279 		dev_err(sl->dev, "cpsw_sl: unsupported func 0x%08X\n",  in cpsw_sl_ctl_set()
280 			ctl_funcs & (~sl->control_features));  in cpsw_sl_ctl_set()
281 		return -EINVAL;  in cpsw_sl_ctl_set()
295 	if (ctl_funcs & ~sl->control_features) {  in cpsw_sl_ctl_clr()
296 		dev_err(sl->dev, "cpsw_sl: unsupported func 0x%08X\n",  in cpsw_sl_ctl_clr()
297 			ctl_funcs & (~sl->control_features));  in cpsw_sl_ctl_clr()
298 		return -EINVAL;  in cpsw_sl_ctl_clr()
320 		  sl->idle_mask) && time_after(timeout, jiffies));  in cpsw_sl_wait_for_idle()
322 	if (!(cpsw_sl_reg_read(sl, CPSW_SL_MACSTATUS) & sl->idle_mask)) {  in cpsw_sl_wait_for_idle()
323 		dev_err(sl->dev, "cpsw_sl failed to soft-reset.\n");  in cpsw_sl_wait_for_idle()
324 		return -ETIMEDOUT;  in cpsw_sl_wait_for_idle()