Move these fields into arch_global_data.
Signed-off-by: Simon Glass sjg@chromium.org --- Changes in v2: None
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(-)
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;