openwrt/target/linux/ath79/patches-4.14/0023-MIPS-ath79-pass-PLL-base-to-clock-init-functions.patch

From 6350b2c36c522fecbc91a80b63f49319dafd2a72 Mon Sep 17 00:00:00 2001
From: Felix Fietkau <nbd@nbd.name>
Date: Tue, 6 Mar 2018 13:23:20 +0100
Subject: [PATCH 23/33] MIPS: ath79: pass PLL base to clock init functions

Preparation for passing the mapped base via DT

Signed-off-by: Felix Fietkau <nbd@nbd.name>
Signed-off-by: John Crispin <john@phrozen.org>
---
 arch/mips/ath79/clock.c | 60 ++++++++++++++++++++++++-------------------------
 1 file changed, 30 insertions(+), 30 deletions(-)

--- a/arch/mips/ath79/clock.c
+++ b/arch/mips/ath79/clock.c
@@ -80,7 +80,7 @@ static struct clk * __init ath79_set_ff_
 	return clk;
 }
 
-static void __init ar71xx_clocks_init(void)
+static void __init ar71xx_clocks_init(void __iomem *pll_base)
 {
 	unsigned long ref_rate;
 	unsigned long cpu_rate;
@@ -92,7 +92,7 @@ static void __init ar71xx_clocks_init(vo
 
 	ref_rate = AR71XX_BASE_FREQ;
 
-	pll = ath79_pll_rr(AR71XX_PLL_REG_CPU_CONFIG);
+	pll = __raw_readl(pll_base + AR71XX_PLL_REG_CPU_CONFIG);
 
 	div = ((pll >> AR71XX_PLL_FB_SHIFT) & AR71XX_PLL_FB_MASK) + 1;
 	freq = div * ref_rate;
@@ -130,13 +130,13 @@ static void __init ar724x_clk_init(struc
 	ath79_set_ff_clk(ATH79_CLK_AHB, "ref", mult, div * ahb_div);
 }
 
-static void __init ar724x_clocks_init(void)
+static void __init ar724x_clocks_init(void __iomem *pll_base)
 {
 	struct clk *ref_clk;
 
 	ref_clk = ath79_set_clk(ATH79_CLK_REF, AR724X_BASE_FREQ);
 
-	ar724x_clk_init(ref_clk, ath79_pll_base);
+	ar724x_clk_init(ref_clk, pll_base);
 }
 
 static void __init ar9330_clk_init(struct clk *ref_clk, void __iomem *pll_base)
@@ -197,7 +197,7 @@ static void __init ar9330_clk_init(struc
 			 ref_div * out_div * ahb_div);
 }
 
-static void __init ar933x_clocks_init(void)
+static void __init ar933x_clocks_init(void __iomem *pll_base)
 {
 	struct clk *ref_clk;
 	unsigned long ref_rate;
@@ -234,7 +234,7 @@ static u32 __init ar934x_get_pll_freq(u3
 	return ret;
 }
 
-static void __init ar934x_clocks_init(void)
+static void __init ar934x_clocks_init(void __iomem *pll_base)
 {
 	unsigned long ref_rate;
 	unsigned long cpu_rate;
@@ -265,7 +265,7 @@ static void __init ar934x_clocks_init(vo
 			  AR934X_SRIF_DPLL1_REFDIV_MASK;
 		frac = 1 << 18;
 	} else {
-		pll = ath79_pll_rr(AR934X_PLL_CPU_CONFIG_REG);
+		pll = __raw_readl(pll_base + AR934X_PLL_CPU_CONFIG_REG);
 		out_div = (pll >> AR934X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
 			AR934X_PLL_CPU_CONFIG_OUTDIV_MASK;
 		ref_div = (pll >> AR934X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
@@ -292,7 +292,7 @@ static void __init ar934x_clocks_init(vo
 			  AR934X_SRIF_DPLL1_REFDIV_MASK;
 		frac = 1 << 18;
 	} else {
-		pll = ath79_pll_rr(AR934X_PLL_DDR_CONFIG_REG);
+		pll = __raw_readl(pll_base + AR934X_PLL_DDR_CONFIG_REG);
 		out_div = (pll >> AR934X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
 			  AR934X_PLL_DDR_CONFIG_OUTDIV_MASK;
 		ref_div = (pll >> AR934X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
@@ -307,7 +307,7 @@ static void __init ar934x_clocks_init(vo
 	ddr_pll = ar934x_get_pll_freq(ref_rate, ref_div, nint,
 				      nfrac, frac, out_div);
 
-	clk_ctrl = ath79_pll_rr(AR934X_PLL_CPU_DDR_CLK_CTRL_REG);
+	clk_ctrl = __raw_readl(pll_base + AR934X_PLL_CPU_DDR_CLK_CTRL_REG);
 
 	postdiv = (clk_ctrl >> AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_POST_DIV_SHIFT) &
 		  AR934X_PLL_CPU_DDR_CLK_CTRL_CPU_POST_DIV_MASK;
@@ -347,7 +347,7 @@ static void __init ar934x_clocks_init(vo
 	iounmap(dpll_base);
 }
 
-static void __init qca953x_clocks_init(void)
+static void __init qca953x_clocks_init(void __iomem *pll_base)
 {
 	unsigned long ref_rate;
 	unsigned long cpu_rate;
@@ -363,7 +363,7 @@ static void __init qca953x_clocks_init(v
 	else
 		ref_rate = 25 * 1000 * 1000;
 
-	pll = ath79_pll_rr(QCA953X_PLL_CPU_CONFIG_REG);
+	pll = __raw_readl(pll_base + QCA953X_PLL_CPU_CONFIG_REG);
 	out_div = (pll >> QCA953X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
 		  QCA953X_PLL_CPU_CONFIG_OUTDIV_MASK;
 	ref_div = (pll >> QCA953X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
@@ -377,7 +377,7 @@ static void __init qca953x_clocks_init(v
 	cpu_pll += frac * (ref_rate >> 6) / ref_div;
 	cpu_pll /= (1 << out_div);
 
-	pll = ath79_pll_rr(QCA953X_PLL_DDR_CONFIG_REG);
+	pll = __raw_readl(pll_base + QCA953X_PLL_DDR_CONFIG_REG);
 	out_div = (pll >> QCA953X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
 		  QCA953X_PLL_DDR_CONFIG_OUTDIV_MASK;
 	ref_div = (pll >> QCA953X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
@@ -391,7 +391,7 @@ static void __init qca953x_clocks_init(v
 	ddr_pll += frac * (ref_rate >> 6) / (ref_div << 4);
 	ddr_pll /= (1 << out_div);
 
-	clk_ctrl = ath79_pll_rr(QCA953X_PLL_CLK_CTRL_REG);
+	clk_ctrl = __raw_readl(pll_base + QCA953X_PLL_CLK_CTRL_REG);
 
 	postdiv = (clk_ctrl >> QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
 		  QCA953X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
@@ -429,7 +429,7 @@ static void __init qca953x_clocks_init(v
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
 }
 
-static void __init qca955x_clocks_init(void)
+static void __init qca955x_clocks_init(void __iomem *pll_base)
 {
 	unsigned long ref_rate;
 	unsigned long cpu_rate;
@@ -445,7 +445,7 @@ static void __init qca955x_clocks_init(v
 	else
 		ref_rate = 25 * 1000 * 1000;
 
-	pll = ath79_pll_rr(QCA955X_PLL_CPU_CONFIG_REG);
+	pll = __raw_readl(pll_base + QCA955X_PLL_CPU_CONFIG_REG);
 	out_div = (pll >> QCA955X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
 		  QCA955X_PLL_CPU_CONFIG_OUTDIV_MASK;
 	ref_div = (pll >> QCA955X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
@@ -459,7 +459,7 @@ static void __init qca955x_clocks_init(v
 	cpu_pll += frac * ref_rate / (ref_div * (1 << 6));
 	cpu_pll /= (1 << out_div);
 
-	pll = ath79_pll_rr(QCA955X_PLL_DDR_CONFIG_REG);
+	pll = __raw_readl(pll_base + QCA955X_PLL_DDR_CONFIG_REG);
 	out_div = (pll >> QCA955X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
 		  QCA955X_PLL_DDR_CONFIG_OUTDIV_MASK;
 	ref_div = (pll >> QCA955X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
@@ -473,7 +473,7 @@ static void __init qca955x_clocks_init(v
 	ddr_pll += frac * ref_rate / (ref_div * (1 << 10));
 	ddr_pll /= (1 << out_div);
 
-	clk_ctrl = ath79_pll_rr(QCA955X_PLL_CLK_CTRL_REG);
+	clk_ctrl = __raw_readl(pll_base + QCA955X_PLL_CLK_CTRL_REG);
 
 	postdiv = (clk_ctrl >> QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
 		  QCA955X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
@@ -511,7 +511,7 @@ static void __init qca955x_clocks_init(v
 	ath79_set_clk(ATH79_CLK_AHB, ahb_rate);
 }
 
-static void __init qca956x_clocks_init(void)
+static void __init qca956x_clocks_init(void __iomem *pll_base)
 {
 	unsigned long ref_rate;
 	unsigned long cpu_rate;
@@ -537,13 +537,13 @@ static void __init qca956x_clocks_init(v
 	else
 		ref_rate = 25 * 1000 * 1000;
 
-	pll = ath79_pll_rr(QCA956X_PLL_CPU_CONFIG_REG);
+	pll = __raw_readl(pll_base + QCA956X_PLL_CPU_CONFIG_REG);
 	out_div = (pll >> QCA956X_PLL_CPU_CONFIG_OUTDIV_SHIFT) &
 		  QCA956X_PLL_CPU_CONFIG_OUTDIV_MASK;
 	ref_div = (pll >> QCA956X_PLL_CPU_CONFIG_REFDIV_SHIFT) &
 		  QCA956X_PLL_CPU_CONFIG_REFDIV_MASK;
 
-	pll = ath79_pll_rr(QCA956X_PLL_CPU_CONFIG1_REG);
+	pll = __raw_readl(pll_base + QCA956X_PLL_CPU_CONFIG1_REG);
 	nint = (pll >> QCA956X_PLL_CPU_CONFIG1_NINT_SHIFT) &
 	       QCA956X_PLL_CPU_CONFIG1_NINT_MASK;
 	hfrac = (pll >> QCA956X_PLL_CPU_CONFIG1_NFRAC_H_SHIFT) &
@@ -556,12 +556,12 @@ static void __init qca956x_clocks_init(v
 	cpu_pll += (hfrac >> 13) * ref_rate / ref_div;
 	cpu_pll /= (1 << out_div);
 
-	pll = ath79_pll_rr(QCA956X_PLL_DDR_CONFIG_REG);
+	pll = __raw_readl(pll_base + QCA956X_PLL_DDR_CONFIG_REG);
 	out_div = (pll >> QCA956X_PLL_DDR_CONFIG_OUTDIV_SHIFT) &
 		  QCA956X_PLL_DDR_CONFIG_OUTDIV_MASK;
 	ref_div = (pll >> QCA956X_PLL_DDR_CONFIG_REFDIV_SHIFT) &
 		  QCA956X_PLL_DDR_CONFIG_REFDIV_MASK;
-	pll = ath79_pll_rr(QCA956X_PLL_DDR_CONFIG1_REG);
+	pll = __raw_readl(pll_base + QCA956X_PLL_DDR_CONFIG1_REG);
 	nint = (pll >> QCA956X_PLL_DDR_CONFIG1_NINT_SHIFT) &
 	       QCA956X_PLL_DDR_CONFIG1_NINT_MASK;
 	hfrac = (pll >> QCA956X_PLL_DDR_CONFIG1_NFRAC_H_SHIFT) &
@@ -574,7 +574,7 @@ static void __init qca956x_clocks_init(v
 	ddr_pll += (hfrac >> 13) * ref_rate / ref_div;
 	ddr_pll /= (1 << out_div);
 
-	clk_ctrl = ath79_pll_rr(QCA956X_PLL_CLK_CTRL_REG);
+	clk_ctrl = __raw_readl(pll_base + QCA956X_PLL_CLK_CTRL_REG);
 
 	postdiv = (clk_ctrl >> QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_SHIFT) &
 		  QCA956X_PLL_CLK_CTRL_CPU_POST_DIV_MASK;
@@ -618,19 +618,19 @@ void __init ath79_clocks_init(void)
 	const char *uart;
 
 	if (soc_is_ar71xx())
-		ar71xx_clocks_init();
+		ar71xx_clocks_init(ath79_pll_base);
 	else if (soc_is_ar724x() || soc_is_ar913x())
-		ar724x_clocks_init();
+		ar724x_clocks_init(ath79_pll_base);
 	else if (soc_is_ar933x())
-		ar933x_clocks_init();
+		ar933x_clocks_init(ath79_pll_base);
 	else if (soc_is_ar934x())
-		ar934x_clocks_init();
+		ar934x_clocks_init(ath79_pll_base);
 	else if (soc_is_qca953x())
-		qca953x_clocks_init();
+		qca953x_clocks_init(ath79_pll_base);
 	else if (soc_is_qca955x())
-		qca955x_clocks_init();
+		qca955x_clocks_init(ath79_pll_base);
 	else if (soc_is_qca956x() || soc_is_tp9343())
-		qca956x_clocks_init();
+		qca956x_clocks_init(ath79_pll_base);
 	else
 		BUG();