Patchwork [U-Boot,02/57] at91: Move at91 global data into arch_global_data

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Submitter Simon Glass
Date Nov. 16, 2012, 9:19 p.m.
Message ID <1353100842-20126-3-git-send-email-sjg@chromium.org>
Download mbox | patch
Permalink /patch/199735/
State Superseded, archived
Delegated to: Tom Rini
Headers show

Comments

Simon Glass - Nov. 16, 2012, 9:19 p.m.
Move these fields into arch_global_data.

Signed-off-by: Simon Glass <sjg@chromium.org>
---
 arch/arm/cpu/arm920t/at91/clock.c    |   24 +++++++++++++-----------
 arch/arm/cpu/arm926ejs/at91/clock.c  |   30 ++++++++++++++++--------------
 arch/arm/cpu/arm926ejs/at91/timer.c  |    2 +-
 arch/arm/include/asm/arch-at91/clk.h |   12 ++++++------
 arch/arm/include/asm/global_data.h   |   18 +++++++++---------
 5 files changed, 45 insertions(+), 41 deletions(-)

Patch

diff --git a/arch/arm/cpu/arm920t/at91/clock.c b/arch/arm/cpu/arm920t/at91/clock.c
index 09d2799..696200d 100644
--- a/arch/arm/cpu/arm920t/at91/clock.c
+++ b/arch/arm/cpu/arm920t/at91/clock.c
@@ -29,11 +29,11 @@  static unsigned long at91_css_to_rate(unsigned long css)
 	case AT91_PMC_MCKR_CSS_SLOW:
 		return CONFIG_SYS_AT91_SLOW_CLOCK;
 	case AT91_PMC_MCKR_CSS_MAIN:
-		return gd->main_clk_rate_hz;
+		return gd->arch.main_clk_rate_hz;
 	case AT91_PMC_MCKR_CSS_PLLA:
-		return gd->plla_rate_hz;
+		return gd->arch.plla_rate_hz;
 	case AT91_PMC_MCKR_CSS_PLLB:
-		return gd->pllb_rate_hz;
+		return gd->arch.pllb_rate_hz;
 	}
 
 	return 0;
@@ -124,10 +124,10 @@  int at91_clock_init(unsigned long main_clock)
 		main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16);
 	}
 #endif
-	gd->main_clk_rate_hz = main_clock;
+	gd->arch.main_clk_rate_hz = main_clock;
 
 	/* report if PLLA is more than mildly overclocked */
-	gd->plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar));
+	gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar));
 
 #ifdef CONFIG_USB_ATMEL
 	/*
@@ -136,9 +136,10 @@  int at91_clock_init(unsigned long main_clock)
 	 *
 	 * REVISIT:  assumes MCK doesn't derive from PLLB!
 	 */
-	gd->at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) |
+	gd->arch.at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) |
 			     AT91_PMC_PLLBR_USBDIV_2;
-	gd->pllb_rate_hz = at91_pll_rate(main_clock, gd->at91_pllb_usb_init);
+	gd->arch.pllb_rate_hz = at91_pll_rate(main_clock,
+					      gd->arch.at91_pllb_usb_init);
 #endif
 
 	/*
@@ -146,13 +147,14 @@  int at91_clock_init(unsigned long main_clock)
 	 * For now, assume this parentage won't change.
 	 */
 	mckr = readl(&pmc->mckr);
-	gd->mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK);
-	freq = gd->mck_rate_hz;
+	gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK);
+	freq = gd->arch.mck_rate_hz;
 
 	freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2));	/* prescale */
 	/* mdiv */
-	gd->mck_rate_hz = freq / (1 + ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
-	gd->cpu_clk_rate_hz = freq;
+	gd->arch.mck_rate_hz = freq /
+			(1 + ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
+	gd->arch.cpu_clk_rate_hz = freq;
 
 	return 0;
 }
diff --git a/arch/arm/cpu/arm926ejs/at91/clock.c b/arch/arm/cpu/arm926ejs/at91/clock.c
index dc5c6c4..f825388 100644
--- a/arch/arm/cpu/arm926ejs/at91/clock.c
+++ b/arch/arm/cpu/arm926ejs/at91/clock.c
@@ -29,11 +29,11 @@  static unsigned long at91_css_to_rate(unsigned long css)
 	case AT91_PMC_MCKR_CSS_SLOW:
 		return CONFIG_SYS_AT91_SLOW_CLOCK;
 	case AT91_PMC_MCKR_CSS_MAIN:
-		return gd->main_clk_rate_hz;
+		return gd->arch.main_clk_rate_hz;
 	case AT91_PMC_MCKR_CSS_PLLA:
-		return gd->plla_rate_hz;
+		return gd->arch.plla_rate_hz;
 	case AT91_PMC_MCKR_CSS_PLLB:
-		return gd->pllb_rate_hz;
+		return gd->arch.pllb_rate_hz;
 	}
 
 	return 0;
@@ -132,10 +132,10 @@  int at91_clock_init(unsigned long main_clock)
 		main_clock = tmp * (CONFIG_SYS_AT91_SLOW_CLOCK / 16);
 	}
 #endif
-	gd->main_clk_rate_hz = main_clock;
+	gd->arch.main_clk_rate_hz = main_clock;
 
 	/* report if PLLA is more than mildly overclocked */
-	gd->plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar));
+	gd->arch.plla_rate_hz = at91_pll_rate(main_clock, readl(&pmc->pllar));
 
 #ifdef CONFIG_USB_ATMEL
 	/*
@@ -144,9 +144,10 @@  int at91_clock_init(unsigned long main_clock)
 	 *
 	 * REVISIT:  assumes MCK doesn't derive from PLLB!
 	 */
-	gd->at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) |
+	gd->arch.at91_pllb_usb_init = at91_pll_calc(main_clock, 48000000 * 2) |
 			     AT91_PMC_PLLBR_USBDIV_2;
-	gd->pllb_rate_hz = at91_pll_rate(main_clock, gd->at91_pllb_usb_init);
+	gd->arch.pllb_rate_hz = at91_pll_rate(main_clock,
+					      gd->arch.at91_pllb_usb_init);
 #endif
 
 	/*
@@ -157,15 +158,15 @@  int at91_clock_init(unsigned long main_clock)
 #if defined(CONFIG_AT91SAM9G45) || defined(CONFIG_AT91SAM9M10G45) \
 		|| defined(CONFIG_AT91SAM9X5)
 	/* plla divisor by 2 */
-	gd->plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12));
+	gd->arch.plla_rate_hz /= (1 << ((mckr & 1 << 12) >> 12));
 #endif
-	gd->mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK);
-	freq = gd->mck_rate_hz;
+	gd->arch.mck_rate_hz = at91_css_to_rate(mckr & AT91_PMC_MCKR_CSS_MASK);
+	freq = gd->arch.mck_rate_hz;
 
 	freq /= (1 << ((mckr & AT91_PMC_MCKR_PRES_MASK) >> 2));	/* prescale */
 #if defined(CONFIG_AT91SAM9G20)
 	/* mdiv ; (x >> 7) = ((x >> 8) * 2) */
-	gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ?
+	gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ?
 		freq / ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 7) : freq;
 	if (mckr & AT91_PMC_MCKR_MDIV_MASK)
 		freq /= 2;			/* processor clock division */
@@ -177,14 +178,15 @@  int at91_clock_init(unsigned long main_clock)
 	 *  2   <==>   4
 	 *  3   <==>   3
 	 */
-	gd->mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ==
+	gd->arch.mck_rate_hz = (mckr & AT91_PMC_MCKR_MDIV_MASK) ==
 		(AT91_PMC_MCKR_MDIV_2 | AT91_PMC_MCKR_MDIV_4)
 		? freq / 3
 		: freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
 #else
-	gd->mck_rate_hz = freq / (1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
+	gd->arch.mck_rate_hz = freq /
+			(1 << ((mckr & AT91_PMC_MCKR_MDIV_MASK) >> 8));
 #endif
-	gd->cpu_clk_rate_hz = freq;
+	gd->arch.cpu_clk_rate_hz = freq;
 
 	return 0;
 }
diff --git a/arch/arm/cpu/arm926ejs/at91/timer.c b/arch/arm/cpu/arm926ejs/at91/timer.c
index f70ce83..641ae3e 100644
--- a/arch/arm/cpu/arm926ejs/at91/timer.c
+++ b/arch/arm/cpu/arm926ejs/at91/timer.c
@@ -79,7 +79,7 @@  int timer_init(void)
 	/* Enable PITC */
 	writel(TIMER_LOAD_VAL | AT91_PIT_MR_EN , &pit->mr);
 
-	gd->timer_rate_hz = gd->mck_rate_hz / 16;
+	gd->timer_rate_hz = gd->arch.mck_rate_hz / 16;
 	gd->tbu = gd->tbl = 0;
 
 	return 0;
diff --git a/arch/arm/include/asm/arch-at91/clk.h b/arch/arm/include/asm/arch-at91/clk.h
index 1e8522b..d4852a3 100644
--- a/arch/arm/include/asm/arch-at91/clk.h
+++ b/arch/arm/include/asm/arch-at91/clk.h
@@ -31,37 +31,37 @@ 
 static inline unsigned long get_cpu_clk_rate(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	return gd->cpu_clk_rate_hz;
+	return gd->arch.cpu_clk_rate_hz;
 }
 
 static inline unsigned long get_main_clk_rate(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	return gd->main_clk_rate_hz;
+	return gd->arch.main_clk_rate_hz;
 }
 
 static inline unsigned long get_mck_clk_rate(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	return gd->mck_rate_hz;
+	return gd->arch.mck_rate_hz;
 }
 
 static inline unsigned long get_plla_clk_rate(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	return gd->plla_rate_hz;
+	return gd->arch.plla_rate_hz;
 }
 
 static inline unsigned long get_pllb_clk_rate(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	return gd->pllb_rate_hz;
+	return gd->arch.pllb_rate_hz;
 }
 
 static inline u32 get_pllb_init(void)
 {
 	DECLARE_GLOBAL_DATA_PTR;
-	return gd->at91_pllb_usb_init;
+	return gd->arch.at91_pllb_usb_init;
 }
 
 static inline unsigned long get_macb_pclk_rate(unsigned int dev_id)
diff --git a/arch/arm/include/asm/global_data.h b/arch/arm/include/asm/global_data.h
index 8ca45ca..ba7814a 100644
--- a/arch/arm/include/asm/global_data.h
+++ b/arch/arm/include/asm/global_data.h
@@ -26,6 +26,15 @@ 
 
 /* Architecture-specific global data */
 struct arch_global_data {
+#ifdef CONFIG_AT91FAMILY
+	/* "static data" needed by at91's clock.c */
+	unsigned long	cpu_clk_rate_hz;
+	unsigned long	main_clk_rate_hz;
+	unsigned long	mck_rate_hz;
+	unsigned long	plla_rate_hz;
+	unsigned long	pllb_rate_hz;
+	unsigned long	at91_pllb_usb_init;
+#endif
 };
 
 /*
@@ -50,15 +59,6 @@  typedef	struct	global_data {
 #ifdef CONFIG_FSL_ESDHC
 	unsigned long	sdhc_clk;
 #endif
-#ifdef CONFIG_AT91FAMILY
-	/* "static data" needed by at91's clock.c */
-	unsigned long	cpu_clk_rate_hz;
-	unsigned long	main_clk_rate_hz;
-	unsigned long	mck_rate_hz;
-	unsigned long	plla_rate_hz;
-	unsigned long	pllb_rate_hz;
-	unsigned long	at91_pllb_usb_init;
-#endif
 #ifdef CONFIG_ARM
 	/* "static data" needed by most of timer.c on ARM platforms */
 	unsigned long	timer_rate_hz;