454 static void syscon_block_reset_enable(struct clk_syscon *sclk)  in syscon_block_reset_enable()  argument
460 	if (!sclk->res_reg)  in syscon_block_reset_enable()
463 	val = readw(sclk->res_reg);  in syscon_block_reset_enable()
464 	val |= BIT(sclk->res_bit);  in syscon_block_reset_enable()
465 	writew(val, sclk->res_reg);  in syscon_block_reset_enable()
467 	sclk->reset = true;  in syscon_block_reset_enable()
470 static void syscon_block_reset_disable(struct clk_syscon *sclk)  in syscon_block_reset_disable()  argument
476 	if (!sclk->res_reg)  in syscon_block_reset_disable()
479 	val = readw(sclk->res_reg);  in syscon_block_reset_disable()
480 	val &= ~BIT(sclk->res_bit);  in syscon_block_reset_disable()
481 	writew(val, sclk->res_reg);  in syscon_block_reset_disable()
483 	sclk->reset = false;  in syscon_block_reset_disable()
488 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_prepare()  local
491 	if (sclk->reset)  in syscon_clk_prepare()
492 		syscon_block_reset_disable(sclk);  in syscon_clk_prepare()
498 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_unprepare()  local
501 	if (sclk->clk_val == U300_SYSCON_SBCER_UART_CLK_EN)  in syscon_clk_unprepare()
504 	if (!sclk->reset)  in syscon_clk_unprepare()
505 		syscon_block_reset_enable(sclk);  in syscon_clk_unprepare()
510 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_enable()  local
513 	if (sclk->hw_ctrld)  in syscon_clk_enable()
516 	if (sclk->clk_val == 0xFFFFU)  in syscon_clk_enable()
519 	writew(sclk->clk_val, syscon_vbase + U300_SYSCON_SBCER);  in syscon_clk_enable()
525 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_disable()  local
528 	if (sclk->hw_ctrld)  in syscon_clk_disable()
530 	if (sclk->clk_val == 0xFFFFU)  in syscon_clk_disable()
533 	if (sclk->clk_val == U300_SYSCON_SBCER_UART_CLK_EN)  in syscon_clk_disable()
536 	writew(sclk->clk_val, syscon_vbase + U300_SYSCON_SBCDR);  in syscon_clk_disable()
541 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_is_enabled()  local
545 	if (!sclk->en_reg)  in syscon_clk_is_enabled()
548 	val = readw(sclk->en_reg);  in syscon_clk_is_enabled()
549 	val &= BIT(sclk->en_bit);  in syscon_clk_is_enabled()
567 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_recalc_rate()  local
570 	switch(sclk->clk_val) {  in syscon_clk_recalc_rate()
635 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_round_rate()  local
637 	if (sclk->clk_val != U300_SYSCON_SBCER_CPU_CLK_EN)  in syscon_clk_round_rate()
652 	struct clk_syscon *sclk = to_syscon(hw);  in syscon_clk_set_rate()  local
656 	if (sclk->clk_val != U300_SYSCON_SBCER_CPU_CLK_EN)  in syscon_clk_set_rate()
700 	struct clk_syscon *sclk;  in syscon_clk_register()  local
703 	sclk = kzalloc(sizeof(struct clk_syscon), GFP_KERNEL);  in syscon_clk_register()
704 	if (!sclk) {  in syscon_clk_register()
714 	sclk->hw.init = &init;  in syscon_clk_register()
715 	sclk->hw_ctrld = hw_ctrld;  in syscon_clk_register()
717 	sclk->reset = true;  in syscon_clk_register()
718 	sclk->res_reg = res_reg;  in syscon_clk_register()
719 	sclk->res_bit = res_bit;  in syscon_clk_register()
720 	sclk->en_reg = en_reg;  in syscon_clk_register()
721 	sclk->en_bit = en_bit;  in syscon_clk_register()
722 	sclk->clk_val = clk_val;  in syscon_clk_register()
724 	clk = clk_register(dev, &sclk->hw);  in syscon_clk_register()
726 		kfree(sclk);  in syscon_clk_register()