52 extern u32 ast2500_get_clkin(struct ast2500_scu *scu)  in ast2500_get_clkin()  argument
54 	return readl(&scu->hwstrap) & SCU_HWSTRAP_CLKIN_25MHZ  in ast2500_get_clkin()
62 extern u32 ast2500_get_mpll_rate(struct ast2500_scu *scu)  in ast2500_get_mpll_rate()  argument
64 	u32 clkin = ast2500_get_clkin(scu);  in ast2500_get_mpll_rate()
65 	u32 mpll_reg = readl(&scu->m_pll_param);  in ast2500_get_mpll_rate()
80 extern u32 ast2500_get_hpll_rate(struct ast2500_scu *scu)  in ast2500_get_hpll_rate()  argument
82 	u32 clkin = ast2500_get_clkin(scu);  in ast2500_get_hpll_rate()
83 	u32 hpll_reg = readl(&scu->h_pll_param);  in ast2500_get_hpll_rate()
99 extern u32 ast2500_get_dpll_rate(struct ast2500_scu *scu)  in ast2500_get_dpll_rate()  argument
101 	u32 clkin = ast2500_get_clkin(scu);  in ast2500_get_dpll_rate()
102 	u32 dpll_reg = readl(&scu->d_pll_param);  in ast2500_get_dpll_rate()
116 extern u32 ast2500_get_d2pll_rate(struct ast2500_scu *scu)  in ast2500_get_d2pll_rate()  argument
118 	u32 clkin = ast2500_get_clkin(scu);  in ast2500_get_d2pll_rate()
119 	u32 d2pll_reg = readl(&scu->d2_pll_param);  in ast2500_get_d2pll_rate()
133 static u32 ast2500_get_hclk(struct ast2500_scu *scu)  in ast2500_get_hclk()  argument
135 	ulong ahb_div = 1 + ((readl(&scu->hwstrap)  in ast2500_get_hclk()
142 	rate = ast2500_get_hpll_rate(scu);  in ast2500_get_hclk()
146 static u32 ast2500_get_pclk(struct ast2500_scu *scu)  in ast2500_get_pclk()  argument
149 	ulong apb_div = 4 + 4 * ((readl(&scu->clk_sel1)  in ast2500_get_pclk()
152 	rate = ast2500_get_hpll_rate(scu);  in ast2500_get_pclk()
157 static u32 ast2500_get_sdio_clk_rate(struct ast2500_scu *scu)  in ast2500_get_sdio_clk_rate()  argument
159 	u32 clkin = ast2500_get_hpll_rate(scu);  in ast2500_get_sdio_clk_rate()
160 	u32 clk_sel = readl(&scu->clk_sel1);  in ast2500_get_sdio_clk_rate()
168 static u32 ast2500_get_uart_clk_rate(struct ast2500_scu *scu, int uart_idx)  in ast2500_get_uart_clk_rate()  argument
179 	if (readl(&scu->misc_ctrl2) &  in ast2500_get_uart_clk_rate()
185 	if (readl(&scu->misc_ctrl1) & SCU_MISC_UARTCLK_DIV13)  in ast2500_get_uart_clk_rate()
198 		rate = ast2500_get_hpll_rate(priv->scu);  in ast2500_clk_get_rate()
201 		rate = ast2500_get_mpll_rate(priv->scu);  in ast2500_clk_get_rate()
204 		rate = ast2500_get_dpll_rate(priv->scu);  in ast2500_clk_get_rate()
207 		rate = ast2500_get_d2pll_rate(priv->scu);  in ast2500_clk_get_rate()
210 		rate = ast2500_get_hclk(priv->scu);  in ast2500_clk_get_rate()
213 		rate = ast2500_get_pclk(priv->scu);  in ast2500_clk_get_rate()
216 		rate = ast2500_get_uart_clk_rate(priv->scu, 1);  in ast2500_clk_get_rate()
219 		rate = ast2500_get_uart_clk_rate(priv->scu, 2);  in ast2500_clk_get_rate()
222 		rate = ast2500_get_uart_clk_rate(priv->scu, 3);  in ast2500_clk_get_rate()
225 		rate = ast2500_get_uart_clk_rate(priv->scu, 4);  in ast2500_clk_get_rate()
228 		rate = ast2500_get_uart_clk_rate(priv->scu, 5);  in ast2500_clk_get_rate()
231 		rate = ast2500_get_sdio_clk_rate(priv->scu);  in ast2500_clk_get_rate()
329 static ulong ast2500_configure_ddr(struct ast2500_scu *scu, ulong rate)  in ast2500_configure_ddr()  argument
331 	ulong clkin = ast2500_get_clkin(scu);  in ast2500_configure_ddr()
341 	mpll_reg = readl(&scu->m_pll_param);  in ast2500_configure_ddr()
348 	writel(mpll_reg, &scu->m_pll_param);  in ast2500_configure_ddr()
350 	return ast2500_get_mpll_rate(scu);  in ast2500_configure_ddr()
353 static ulong ast2500_configure_d2pll(struct ast2500_scu *scu, ulong rate)  in ast2500_configure_d2pll()  argument
370 	ulong clkin = ast2500_get_clkin(scu);  in ast2500_configure_d2pll()
375 	       | SCU_D2PLL_EXT1_RESET, &scu->d2_pll_ext_param[0]);  in ast2500_configure_d2pll()
381 	clrsetbits_le32(&scu->misc_ctrl1, SCU_MISC_D2PLL_OFF,  in ast2500_configure_d2pll()
390 	       &scu->d2_pll_param);  in ast2500_configure_d2pll()
392 	clrbits_le32(&scu->d2_pll_ext_param[0],  in ast2500_configure_d2pll()
395 	clrsetbits_le32(&scu->misc_ctrl2,  in ast2500_configure_d2pll()
412 		new_rate = ast2500_configure_ddr(priv->scu, rate);  in ast2500_clk_set_rate()
416 		new_rate = ast2500_configure_d2pll(priv->scu, rate);  in ast2500_clk_set_rate()
429 static ulong ast2500_configure_mac(struct ast2500_scu *scu, int index)  in ast2500_configure_mac()  argument
431 	ulong hpll_rate = ast2500_get_hpll_rate(scu);  in ast2500_configure_mac()
447 	hwstrap = readl(&scu->hwstrap);  in ast2500_configure_mac()
478 	clrsetbits_le32(&scu->clk_sel1, SCU_MACCLK_MASK,  in ast2500_configure_mac()
486 	setbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_configure_mac()
488 	clrbits_le32(&scu->clk_stop_ctrl1, clkstop_bit);  in ast2500_configure_mac()
490 	clrbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_configure_mac()
494 	       &scu->clk_duty_sel);  in ast2500_configure_mac()
496 	writel(clk_delay_settings | SCU_MICDS_RGMIIPLL, &scu->mac_clk_delay);  in ast2500_configure_mac()
497 	writel(clk_delay_settings, &scu->mac_clk_delay_100M);  in ast2500_configure_mac()
498 	writel(clk_delay_settings, &scu->mac_clk_delay_10M);  in ast2500_configure_mac()
504 static ulong ast2500_enable_sdclk(struct ast2500_scu *scu)  in ast2500_enable_sdclk()  argument
512 	setbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_enable_sdclk()
515 	clrbits_le32(&scu->clk_stop_ctrl1, clkstop_bit);  in ast2500_enable_sdclk()
517 	clrbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_enable_sdclk()
526 static ulong ast2500_enable_extsdclk(struct ast2500_scu *scu)  in ast2500_enable_extsdclk()  argument
528 	u32 clk_sel = readl(&scu->clk_sel1);  in ast2500_enable_extsdclk()
536 	writel(clk_sel, &scu->clk_sel1);  in ast2500_enable_extsdclk()
539 	setbits_le32(&scu->clk_sel1, enableclk_bit);  in ast2500_enable_extsdclk()
544 static ulong ast2500_enable_usbahclk(struct ast2500_scu *scu)  in ast2500_enable_usbahclk()  argument
552 	setbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_enable_usbahclk()
554 	setbits_le32(&scu->clk_stop_ctrl1, clkstop_bit);  in ast2500_enable_usbahclk()
557 	clrbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_enable_usbahclk()
562 static ulong ast2500_enable_usbbhclk(struct ast2500_scu *scu)  in ast2500_enable_usbbhclk()  argument
570 	setbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_enable_usbbhclk()
572 	clrbits_le32(&scu->clk_stop_ctrl1, clkstop_bit);  in ast2500_enable_usbbhclk()
575 	clrbits_le32(&scu->sysreset_ctrl1, reset_bit);  in ast2500_enable_usbbhclk()
591 		ast2500_configure_mac(priv->scu, 1);  in ast2500_clk_enable()
594 		ast2500_configure_mac(priv->scu, 2);  in ast2500_clk_enable()
597 		ast2500_configure_d2pll(priv->scu, D2PLL_DEFAULT_RATE);  in ast2500_clk_enable()
600 		ast2500_enable_sdclk(priv->scu);  in ast2500_clk_enable()
603 		ast2500_enable_extsdclk(priv->scu);  in ast2500_clk_enable()
606 		ast2500_enable_usbahclk(priv->scu);  in ast2500_clk_enable()
609 		ast2500_enable_usbbhclk(priv->scu);  in ast2500_clk_enable()
630 	priv->scu = devfdt_get_addr_ptr(dev);  in ast2500_clk_probe()
631 	if (IS_ERR(priv->scu))  in ast2500_clk_probe()
632 		return PTR_ERR(priv->scu);  in ast2500_clk_probe()
711 	{ .compatible = "aspeed,ast2500-scu" },