---

yaml
---
r: 146873
b: refs/heads/master
c: c521dc0
h: refs/heads/master
i:
  146871: 5f99cb7
v: v3

[refs]

@@ -1,2 +1,2 @@
 ---
-refs/heads/master: 098dee99d14e8324d3793df442d6078d0c134140
+refs/heads/master: c521dc02034df3681394a30b428bf081cfa22253

trunk/arch/sh/Kconfig

@@ -516,7 +516,7 @@ config SH_CLK_CPG
 
 config SH_CLK_CPG_LEGACY
 	depends on SH_CLK_CPG
-	def_bool y if !CPU_SUBTYPE_SH7785
+	def_bool y if !CPU_SUBTYPE_SH7785 && !CPU_SUBTYPE_SH7723
 
 config SH_CLK_MD
 	int "CPU Mode Pin Setting"

trunk/arch/sh/kernel/cpu/sh4a/Makefile

@@ -26,7 +26,7 @@ clock-$(CONFIG_CPU_SUBTYPE_SH7785)	:= clock-sh7785.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7786)	:= clock-sh7786.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7343)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7722)	:= clock-sh7722.o
-clock-$(CONFIG_CPU_SUBTYPE_SH7723)	:= clock-sh7722.o
+clock-$(CONFIG_CPU_SUBTYPE_SH7723)	:= clock-sh7723.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7724)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SH7366)	:= clock-sh7722.o
 clock-$(CONFIG_CPU_SUBTYPE_SHX3)	:= clock-shx3.o

trunk/arch/sh/kernel/cpu/sh4a/clock-sh7722.c

@@ -1,7 +1,7 @@
 /*
  * arch/sh/kernel/cpu/sh4a/clock-sh7722.c
  *
- * SH7343, SH7722, SH7723 & SH7366 support for the clock framework
+ * SH7343, SH7722 & SH7366 support for the clock framework
  *
  * Copyright (c) 2006-2007 Nomad Global Solutions Inc
  * Based on code for sh7343 by Paul Mundt
@@ -176,11 +176,6 @@ static unsigned long module_clk_recalc(struct clk *clk)
 #define STCMASK		0x3f
 #define DIVCALC(div)	(div/2-1)
 #define FRQCRKICK	0x80000000
-#elif defined(CONFIG_CPU_SUBTYPE_SH7723)
-#define MASTERDIVS	{ 6, 8, 12, 16 }
-#define STCMASK		0x1f
-#define DIVCALC(div)	(div-1)
-#define FRQCRKICK	0x00000000
 #else
 #define MASTERDIVS	{ 2, 3, 4, 6, 8, 16 }
 #define STCMASK		0x1f
@@ -681,56 +676,6 @@ static struct clk sh7722_mstpcr_clocks[] = {
 	MSTPCR("vpu0", "bus_clk", 2, 1, CLK_ENABLE_ON_INIT),
 	MSTPCR("lcdc0", "bus_clk", 2, 0, 0),
 #endif
-#if defined(CONFIG_CPU_SUBTYPE_SH7723)
-	/* See page 60 of Datasheet V1.0: Overview -> Block Diagram */
-	MSTPCR("tlb0", "cpu_clk", 0, 31, 0),
-	MSTPCR("ic0", "cpu_clk", 0, 30, 0),
-	MSTPCR("oc0", "cpu_clk", 0, 29, 0),
-	MSTPCR("l2c0", "sh_clk", 0, 28, 0),
-	MSTPCR("ilmem0", "cpu_clk", 0, 27, 0),
-	MSTPCR("fpu0", "cpu_clk", 0, 24, 0),
-	MSTPCR("intc0", "cpu_clk", 0, 22, 0),
-	MSTPCR("dmac0", "bus_clk", 0, 21, 0),
-	MSTPCR("sh0", "sh_clk", 0, 20, 0),
-	MSTPCR("hudi0", "peripheral_clk", 0, 19, 0),
-	MSTPCR("ubc0", "cpu_clk", 0, 17, 0),
-	MSTPCR("tmu0", "peripheral_clk", 0, 15, 0),
-	MSTPCR("cmt0", "r_clk", 0, 14, 0),
-	MSTPCR("rwdt0", "r_clk", 0, 13, 0),
-	MSTPCR("dmac1", "bus_clk", 0, 12, 0),
-	MSTPCR("tmu1", "peripheral_clk", 0, 11, 0),
-	MSTPCR("flctl0", "peripheral_clk", 0, 10, 0),
-	MSTPCR("scif0", "peripheral_clk", 0, 9, 0),
-	MSTPCR("scif1", "peripheral_clk", 0, 8, 0),
-	MSTPCR("scif2", "peripheral_clk", 0, 7, 0),
-	MSTPCR("scif3", "bus_clk", 0, 6, 0),
-	MSTPCR("scif4", "bus_clk", 0, 5, 0),
-	MSTPCR("scif5", "bus_clk", 0, 4, 0),
-	MSTPCR("msiof0", "bus_clk", 0, 2, 0),
-	MSTPCR("msiof1", "bus_clk", 0, 1, 0),
-	MSTPCR("meram0", "sh_clk", 0, 0, CLK_ENABLE_ON_INIT),
-	MSTPCR("i2c0", "peripheral_clk", 1, 9, 0),
-	MSTPCR("rtc0", "r_clk", 1, 8, 0),
-	MSTPCR("atapi0", "sh_clk", 2, 28, 0),
-	MSTPCR("adc0", "peripheral_clk", 2, 28, 0),
-	MSTPCR("tpu0", "bus_clk", 2, 25, 0),
-	MSTPCR("irda0", "peripheral_clk", 2, 24, 0),
-	MSTPCR("tsif0", "bus_clk", 2, 22, 0),
-	MSTPCR("icb0", "bus_clk", 2, 21, 0),
-	MSTPCR("sdhi0", "bus_clk", 2, 18, 0),
-	MSTPCR("sdhi1", "bus_clk", 2, 17, 0),
-	MSTPCR("keysc0", "r_clk", 2, 14, 0),
-	MSTPCR("usb0", "bus_clk", 2, 11, 0),
-	MSTPCR("2dg0", "bus_clk", 2, 10, 0),
-	MSTPCR("siu0", "bus_clk", 2, 8, 0),
-	MSTPCR("veu1", "bus_clk", 2, 6, CLK_ENABLE_ON_INIT),
-	MSTPCR("vou0", "bus_clk", 2, 5, 0),
-	MSTPCR("beu0", "bus_clk", 2, 4, 0),
-	MSTPCR("ceu0", "bus_clk", 2, 3, 0),
-	MSTPCR("veu0", "bus_clk", 2, 2, CLK_ENABLE_ON_INIT),
-	MSTPCR("vpu0", "bus_clk", 2, 1, CLK_ENABLE_ON_INIT),
-	MSTPCR("lcdc0", "bus_clk", 2, 0, 0),
-#endif
 #if defined(CONFIG_CPU_SUBTYPE_SH7724)
 	/* See Datasheet : Overview -> Block Diagram */
 	MSTPCR("tlb0", "cpu_clk", 0, 31, 0),

trunk/arch/sh/kernel/cpu/sh4a/clock-sh7723.c

@@ -0,0 +1,222 @@
+/*
+ * arch/sh/kernel/cpu/sh4a/clock-sh7723.c
+ *
+ * SH7723 clock framework support
+ *
+ * Copyright (C) 2009 Magnus Damm
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/io.h>
+#include <asm/clock.h>
+
+/* SH7723 registers */
+#define FRQCR		0xa4150000
+#define VCLKCR		0xa4150004
+#define SCLKACR		0xa4150008
+#define SCLKBCR		0xa415000c
+#define IRDACLKCR	0xa4150018
+#define PLLCR		0xa4150024
+#define MSTPCR0		0xa4150030
+#define MSTPCR1		0xa4150034
+#define MSTPCR2		0xa4150038
+#define DLLFRQ		0xa4150050
+
+/* Fixed 32 KHz root clock for RTC and Power Management purposes */
+static struct clk r_clk = {
+	.name           = "rclk",
+	.id             = -1,
+	.rate           = 32768,
+};
+
+/*
+ * Default rate for the root input clock, reset this with clk_set_rate()
+ * from the platform code.
+ */
+struct clk extal_clk = {
+	.name		= "extal",
+	.id		= -1,
+	.rate		= 33333333,
+};
+
+/* The dll multiplies the 32khz r_clk, may be used instead of extal */
+static unsigned long dll_recalc(struct clk *clk)
+{
+	unsigned long mult;
+
+	if (__raw_readl(PLLCR) & 0x1000)
+		mult = __raw_readl(DLLFRQ);
+	else
+		mult = 0;
+
+	return clk->parent->rate * mult;
+}
+
+static struct clk_ops dll_clk_ops = {
+	.recalc		= dll_recalc,
+};
+
+static struct clk dll_clk = {
+	.name           = "dll_clk",
+	.id             = -1,
+	.ops		= &dll_clk_ops,
+	.parent		= &r_clk,
+	.flags		= CLK_ENABLE_ON_INIT,
+};
+
+static unsigned long pll_recalc(struct clk *clk)
+{
+	unsigned long mult = 1;
+	unsigned long div = 1;
+
+	if (__raw_readl(PLLCR) & 0x4000)
+		mult = (((__raw_readl(FRQCR) >> 24) & 0x1f) + 1);
+	else
+		div = 2;
+
+	return (clk->parent->rate * mult) / div;
+}
+
+static struct clk_ops pll_clk_ops = {
+	.recalc		= pll_recalc,
+};
+
+static struct clk pll_clk = {
+	.name		= "pll_clk",
+	.id		= -1,
+	.ops		= &pll_clk_ops,
+	.flags		= CLK_ENABLE_ON_INIT,
+};
+
+struct clk *main_clks[] = {
+	&r_clk,
+	&extal_clk,
+	&dll_clk,
+	&pll_clk,
+};
+
+static int multipliers[] = { 1, 2, 1, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1 };
+static int divisors[] = { 1, 3, 2, 5, 3, 4, 5, 6, 8, 10, 12, 16, 20 };
+
+static struct clk_div_mult_table div4_table = {
+	.divisors = divisors,
+	.nr_divisors = ARRAY_SIZE(divisors),
+	.multipliers = multipliers,
+	.nr_multipliers = ARRAY_SIZE(multipliers),
+};
+
+enum { DIV4_I, DIV4_U, DIV4_SH, DIV4_B, DIV4_B3, DIV4_P,
+       DIV4_SIUA, DIV4_SIUB, DIV4_IRDA, DIV4_NR };
+
+#define DIV4(_str, _reg, _bit, _mask, _flags) \
+  SH_CLK_DIV4(_str, &pll_clk, _reg, _bit, _mask, _flags)
+
+struct clk div4_clks[DIV4_NR] = {
+	[DIV4_I] = DIV4("cpu_clk", FRQCR, 20, 0x0dbf, CLK_ENABLE_ON_INIT),
+	[DIV4_U] = DIV4("umem_clk", FRQCR, 16, 0x0dbf, CLK_ENABLE_ON_INIT),
+	[DIV4_SH] = DIV4("shyway_clk", FRQCR, 12, 0x0dbf, CLK_ENABLE_ON_INIT),
+	[DIV4_B] = DIV4("bus_clk", FRQCR, 8, 0x0dbf, CLK_ENABLE_ON_INIT),
+	[DIV4_B3] = DIV4("b3_clk", FRQCR, 4, 0x0db4, CLK_ENABLE_ON_INIT),
+	[DIV4_P] = DIV4("peripheral_clk", FRQCR, 0, 0x0dbf, 0),
+	[DIV4_SIUA] = DIV4("siua_clk", SCLKACR, 0, 0x0dbf, 0),
+	[DIV4_SIUB] = DIV4("siub_clk", SCLKBCR, 0, 0x0dbf, 0),
+	[DIV4_IRDA] = DIV4("irda_clk", IRDACLKCR, 0, 0x0dbf, 0),
+};
+
+struct clk div6_clks[] = {
+	SH_CLK_DIV6("video_clk", &pll_clk, VCLKCR, 0),
+};
+
+#define MSTP(_str, _parent, _reg, _bit, _force_on, _need_cpg, _need_ram) \
+  SH_CLK_MSTP32(_str, -1, _parent, _reg, _bit, _force_on * CLK_ENABLE_ON_INIT)
+
+static struct clk mstp_clks[] = {
+	/* See page 60 of Datasheet V1.0: Overview -> Block Diagram */
+	MSTP("tlb0", &div4_clks[DIV4_I], MSTPCR0, 31, 1, 1, 0),
+	MSTP("ic0", &div4_clks[DIV4_I], MSTPCR0, 30, 1, 1, 0),
+	MSTP("oc0", &div4_clks[DIV4_I], MSTPCR0, 29, 1, 1, 0),
+	MSTP("l2c0", &div4_clks[DIV4_SH], MSTPCR0, 28, 1, 1, 0),
+	MSTP("ilmem0", &div4_clks[DIV4_I], MSTPCR0, 27, 1, 1, 0),
+	MSTP("fpu0", &div4_clks[DIV4_I], MSTPCR0, 24, 1, 1, 0),
+	MSTP("intc0", &div4_clks[DIV4_I], MSTPCR0, 22, 1, 1, 0),
+	MSTP("dmac0", &div4_clks[DIV4_B], MSTPCR0, 21, 0, 1, 1),
+	MSTP("sh0", &div4_clks[DIV4_SH], MSTPCR0, 20, 0, 1, 0),
+	MSTP("hudi0", &div4_clks[DIV4_P], MSTPCR0, 19, 0, 1, 0),
+	MSTP("ubc0", &div4_clks[DIV4_I], MSTPCR0, 17, 0, 1, 0),
+	MSTP("tmu0", &div4_clks[DIV4_P], MSTPCR0, 15, 0, 1, 0),
+	MSTP("cmt0", &r_clk, MSTPCR0, 14, 0, 0, 0),
+	MSTP("rwdt0", &r_clk, MSTPCR0, 13, 0, 0, 0),
+	MSTP("dmac1", &div4_clks[DIV4_B], MSTPCR0, 12, 0, 1, 1),
+	MSTP("tmu1", &div4_clks[DIV4_P], MSTPCR0, 11, 0, 1, 0),
+	MSTP("flctl0", &div4_clks[DIV4_P], MSTPCR0, 10, 0, 1, 0),
+	MSTP("scif0", &div4_clks[DIV4_P], MSTPCR0, 9, 0, 1, 0),
+	MSTP("scif1", &div4_clks[DIV4_P], MSTPCR0, 8, 0, 1, 0),
+	MSTP("scif2", &div4_clks[DIV4_P], MSTPCR0, 7, 0, 1, 0),
+	MSTP("scif3", &div4_clks[DIV4_B], MSTPCR0, 6, 0, 1, 0),
+	MSTP("scif4", &div4_clks[DIV4_B], MSTPCR0, 5, 0, 1, 0),
+	MSTP("scif5", &div4_clks[DIV4_B], MSTPCR0, 4, 0, 1, 0),
+	MSTP("msiof0", &div4_clks[DIV4_B], MSTPCR0, 2, 0, 1, 0),
+	MSTP("msiof1", &div4_clks[DIV4_B], MSTPCR0, 1, 0, 1, 0),
+	MSTP("meram0", &div4_clks[DIV4_SH], MSTPCR0, 0, 1, 1, 0),
+
+	MSTP("i2c0", &div4_clks[DIV4_P], MSTPCR1, 9, 0, 1, 0),
+	MSTP("rtc0", &r_clk, MSTPCR1, 8, 0, 0, 0),
+
+	MSTP("atapi0", &div4_clks[DIV4_SH], MSTPCR2, 28, 0, 1, 0),
+	MSTP("adc0", &div4_clks[DIV4_P], MSTPCR2, 27, 0, 1, 0),
+	MSTP("tpu0", &div4_clks[DIV4_B], MSTPCR2, 25, 0, 1, 0),
+	MSTP("irda0", &div4_clks[DIV4_P], MSTPCR2, 24, 0, 1, 0),
+	MSTP("tsif0", &div4_clks[DIV4_B], MSTPCR2, 22, 0, 1, 0),
+	MSTP("icb0", &div4_clks[DIV4_B], MSTPCR2, 21, 0, 1, 1),
+	MSTP("sdhi0", &div4_clks[DIV4_B], MSTPCR2, 18, 0, 1, 0),
+	MSTP("sdhi1", &div4_clks[DIV4_B], MSTPCR2, 17, 0, 1, 0),
+	MSTP("keysc0", &r_clk, MSTPCR2, 14, 0, 0, 0),
+	MSTP("usb0", &div4_clks[DIV4_B], MSTPCR2, 11, 0, 1, 0),
+	MSTP("2dg0", &div4_clks[DIV4_B], MSTPCR2, 10, 0, 1, 1),
+	MSTP("siu0", &div4_clks[DIV4_B], MSTPCR2, 8, 0, 1, 0),
+	MSTP("veu1", &div4_clks[DIV4_B], MSTPCR2, 6, 1, 1, 1),
+	MSTP("vou0", &div4_clks[DIV4_B], MSTPCR2, 5, 0, 1, 1),
+	MSTP("beu0", &div4_clks[DIV4_B], MSTPCR2, 4, 0, 1, 1),
+	MSTP("ceu0", &div4_clks[DIV4_B], MSTPCR2, 3, 0, 1, 1),
+	MSTP("veu0", &div4_clks[DIV4_B], MSTPCR2, 2, 1, 1, 1),
+	MSTP("vpu0", &div4_clks[DIV4_B], MSTPCR2, 1, 1, 1, 1),
+	MSTP("lcdc0", &div4_clks[DIV4_B], MSTPCR2, 0, 0, 1, 1),
+};
+
+int __init arch_clk_init(void)
+{
+	int k, ret = 0;
+
+	/* autodetect extal or dll configuration */
+	if (__raw_readl(PLLCR) & 0x1000)
+		pll_clk.parent = &dll_clk;
+	else
+		pll_clk.parent = &extal_clk;
+
+	for (k = 0; !ret && (k < ARRAY_SIZE(main_clks)); k++)
+		ret = clk_register(main_clks[k]);
+
+	if (!ret)
+		ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
+
+	if (!ret)
+		ret = sh_clk_div6_register(div6_clks, ARRAY_SIZE(div6_clks));
+
+	if (!ret)
+		ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
+
+	return ret;
+}