From b55149529d265718a989b67468c4f03de0d3af7a Mon Sep 17 00:00:00 2001 From: Jean-Christophe PLAGNIOL-VILLARD Date: Fri, 25 Nov 2011 09:59:46 +0800 Subject: ARM: at91/PMC: make register base soc independent Signed-off-by: Jean-Christophe PLAGNIOL-VILLARD Acked-by: Nicolas Ferre Reviewed-by: Ryan Mallon --- arch/arm/mach-at91/at91rm9200.c | 2 +- arch/arm/mach-at91/clock.c | 75 ++++++++++++++------------- arch/arm/mach-at91/include/mach/at91_pmc.h | 56 ++++++++++++-------- arch/arm/mach-at91/include/mach/at91rm9200.h | 4 +- arch/arm/mach-at91/include/mach/at91sam9260.h | 1 - arch/arm/mach-at91/include/mach/at91sam9261.h | 1 - arch/arm/mach-at91/include/mach/at91sam9263.h | 1 - arch/arm/mach-at91/include/mach/at91sam9g45.h | 1 - arch/arm/mach-at91/include/mach/at91sam9rl.h | 1 - arch/arm/mach-at91/include/mach/at91sam9x5.h | 3 +- arch/arm/mach-at91/include/mach/hardware.h | 3 +- arch/arm/mach-at91/pm.c | 7 ++- arch/arm/mach-at91/pm_slowclock.S | 38 +++++++------- 13 files changed, 101 insertions(+), 92 deletions(-) (limited to 'arch') diff --git a/arch/arm/mach-at91/at91rm9200.c b/arch/arm/mach-at91/at91rm9200.c index 7923197cb506..0df1045311e4 100644 --- a/arch/arm/mach-at91/at91rm9200.c +++ b/arch/arm/mach-at91/at91rm9200.c @@ -295,7 +295,7 @@ static void at91rm9200_idle(void) * Disable the processor clock. The processor will be automatically * re-enabled by an interrupt or by a reset. */ - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); + at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK); } static void at91rm9200_restart(char mode, const char *cmd) diff --git a/arch/arm/mach-at91/clock.c b/arch/arm/mach-at91/clock.c index 9ab862740161..be51ca7f694d 100644 --- a/arch/arm/mach-at91/clock.c +++ b/arch/arm/mach-at91/clock.c @@ -33,6 +33,7 @@ #include "clock.h" #include "generic.h" +void __iomem *at91_pmc_base; /* * There's a lot more which can be done with clocks, including cpufreq @@ -125,11 +126,11 @@ static void pllb_mode(struct clk *clk, int is_on) value = 0; // REVISIT: Add work-around for AT91RM9200 Errata #26 ? - at91_sys_write(AT91_CKGR_PLLBR, value); + at91_pmc_write(AT91_CKGR_PLLBR, value); do { cpu_relax(); - } while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != is_on); + } while ((at91_pmc_read(AT91_PMC_SR) & AT91_PMC_LOCKB) != is_on); } static struct clk pllb = { @@ -144,24 +145,24 @@ static struct clk pllb = { static void pmc_sys_mode(struct clk *clk, int is_on) { if (is_on) - at91_sys_write(AT91_PMC_SCER, clk->pmc_mask); + at91_pmc_write(AT91_PMC_SCER, clk->pmc_mask); else - at91_sys_write(AT91_PMC_SCDR, clk->pmc_mask); + at91_pmc_write(AT91_PMC_SCDR, clk->pmc_mask); } static void pmc_uckr_mode(struct clk *clk, int is_on) { - unsigned int uckr = at91_sys_read(AT91_CKGR_UCKR); + unsigned int uckr = at91_pmc_read(AT91_CKGR_UCKR); if (is_on) { is_on = AT91_PMC_LOCKU; - at91_sys_write(AT91_CKGR_UCKR, uckr | clk->pmc_mask); + at91_pmc_write(AT91_CKGR_UCKR, uckr | clk->pmc_mask); } else - at91_sys_write(AT91_CKGR_UCKR, uckr & ~(clk->pmc_mask)); + at91_pmc_write(AT91_CKGR_UCKR, uckr & ~(clk->pmc_mask)); do { cpu_relax(); - } while ((at91_sys_read(AT91_PMC_SR) & AT91_PMC_LOCKU) != is_on); + } while ((at91_pmc_read(AT91_PMC_SR) & AT91_PMC_LOCKU) != is_on); } /* USB function clocks (PLLB must be 48 MHz) */ @@ -197,9 +198,9 @@ struct clk mck = { static void pmc_periph_mode(struct clk *clk, int is_on) { if (is_on) - at91_sys_write(AT91_PMC_PCER, clk->pmc_mask); + at91_pmc_write(AT91_PMC_PCER, clk->pmc_mask); else - at91_sys_write(AT91_PMC_PCDR, clk->pmc_mask); + at91_pmc_write(AT91_PMC_PCDR, clk->pmc_mask); } static struct clk __init *at91_css_to_clk(unsigned long css) @@ -359,10 +360,10 @@ int clk_set_rate(struct clk *clk, unsigned long rate) if (actual && actual <= rate) { u32 pckr; - pckr = at91_sys_read(AT91_PMC_PCKR(clk->id)); + pckr = at91_pmc_read(AT91_PMC_PCKR(clk->id)); pckr &= css_mask; /* keep clock selection */ pckr |= prescale << prescale_offset; - at91_sys_write(AT91_PMC_PCKR(clk->id), pckr); + at91_pmc_write(AT91_PMC_PCKR(clk->id), pckr); clk->rate_hz = actual; break; } @@ -396,7 +397,7 @@ int clk_set_parent(struct clk *clk, struct clk *parent) clk->rate_hz = parent->rate_hz; clk->parent = parent; - at91_sys_write(AT91_PMC_PCKR(clk->id), parent->id); + at91_pmc_write(AT91_PMC_PCKR(clk->id), parent->id); spin_unlock_irqrestore(&clk_lock, flags); return 0; @@ -415,7 +416,7 @@ static void __init init_programmable_clock(struct clk *clk) else css_mask = AT91_PMC_CSS; - pckr = at91_sys_read(AT91_PMC_PCKR(clk->id)); + pckr = at91_pmc_read(AT91_PMC_PCKR(clk->id)); parent = at91_css_to_clk(pckr & css_mask); clk->parent = parent; clk->rate_hz = parent->rate_hz / pmc_prescaler_divider(pckr); @@ -432,23 +433,23 @@ static int at91_clk_show(struct seq_file *s, void *unused) u32 scsr, pcsr, uckr = 0, sr; struct clk *clk; - scsr = at91_sys_read(AT91_PMC_SCSR); - pcsr = at91_sys_read(AT91_PMC_PCSR); - sr = at91_sys_read(AT91_PMC_SR); + scsr = at91_pmc_read(AT91_PMC_SCSR); + pcsr = at91_pmc_read(AT91_PMC_PCSR); + sr = at91_pmc_read(AT91_PMC_SR); seq_printf(s, "SCSR = %8x\n", scsr); seq_printf(s, "PCSR = %8x\n", pcsr); - seq_printf(s, "MOR = %8x\n", at91_sys_read(AT91_CKGR_MOR)); - seq_printf(s, "MCFR = %8x\n", at91_sys_read(AT91_CKGR_MCFR)); - seq_printf(s, "PLLA = %8x\n", at91_sys_read(AT91_CKGR_PLLAR)); + seq_printf(s, "MOR = %8x\n", at91_pmc_read(AT91_CKGR_MOR)); + seq_printf(s, "MCFR = %8x\n", at91_pmc_read(AT91_CKGR_MCFR)); + seq_printf(s, "PLLA = %8x\n", at91_pmc_read(AT91_CKGR_PLLAR)); if (cpu_has_pllb()) - seq_printf(s, "PLLB = %8x\n", at91_sys_read(AT91_CKGR_PLLBR)); + seq_printf(s, "PLLB = %8x\n", at91_pmc_read(AT91_CKGR_PLLBR)); if (cpu_has_utmi()) { - uckr = at91_sys_read(AT91_CKGR_UCKR); + uckr = at91_pmc_read(AT91_CKGR_UCKR); seq_printf(s, "UCKR = %8x\n", uckr); } - seq_printf(s, "MCKR = %8x\n", at91_sys_read(AT91_PMC_MCKR)); + seq_printf(s, "MCKR = %8x\n", at91_pmc_read(AT91_PMC_MCKR)); if (cpu_has_upll()) - seq_printf(s, "USB = %8x\n", at91_sys_read(AT91_PMC_USB)); + seq_printf(s, "USB = %8x\n", at91_pmc_read(AT91_PMC_USB)); seq_printf(s, "SR = %8x\n", sr); seq_printf(s, "\n"); @@ -637,14 +638,14 @@ static void __init at91_pllb_usbfs_clock_init(unsigned long main_clock) if (cpu_is_at91rm9200()) { uhpck.pmc_mask = AT91RM9200_PMC_UHP; udpck.pmc_mask = AT91RM9200_PMC_UDP; - at91_sys_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP); + at91_pmc_write(AT91_PMC_SCER, AT91RM9200_PMC_MCKUDP); } else if (cpu_is_at91sam9260() || cpu_is_at91sam9261() || cpu_is_at91sam9263() || cpu_is_at91sam9g20() || cpu_is_at91sam9g10()) { uhpck.pmc_mask = AT91SAM926x_PMC_UHP; udpck.pmc_mask = AT91SAM926x_PMC_UDP; } - at91_sys_write(AT91_CKGR_PLLBR, 0); + at91_pmc_write(AT91_CKGR_PLLBR, 0); udpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); uhpck.rate_hz = at91_usb_rate(&pllb, pllb.rate_hz, at91_pllb_usb_init); @@ -661,13 +662,13 @@ static void __init at91_upll_usbfs_clock_init(unsigned long main_clock) /* Setup divider by 10 to reach 48 MHz */ usbr |= ((10 - 1) << 8) & AT91_PMC_OHCIUSBDIV; - at91_sys_write(AT91_PMC_USB, usbr); + at91_pmc_write(AT91_PMC_USB, usbr); /* Now set uhpck values */ uhpck.parent = &utmi_clk; uhpck.pmc_mask = AT91SAM926x_PMC_UHP; uhpck.rate_hz = utmi_clk.rate_hz; - uhpck.rate_hz /= 1 + ((at91_sys_read(AT91_PMC_USB) & AT91_PMC_OHCIUSBDIV) >> 8); + uhpck.rate_hz /= 1 + ((at91_pmc_read(AT91_PMC_USB) & AT91_PMC_OHCIUSBDIV) >> 8); } int __init at91_clock_init(unsigned long main_clock) @@ -676,6 +677,10 @@ int __init at91_clock_init(unsigned long main_clock) int i; int pll_overclock = false; + at91_pmc_base = ioremap(AT91_PMC, 256); + if (!at91_pmc_base) + panic("Impossible to ioremap AT91_PMC 0x%x\n", AT91_PMC); + /* * When the bootloader initialized the main oscillator correctly, * there's no problem using the cycle counter. But if it didn't, @@ -684,14 +689,14 @@ int __init at91_clock_init(unsigned long main_clock) */ if (!main_clock) { do { - tmp = at91_sys_read(AT91_CKGR_MCFR); + tmp = at91_pmc_read(AT91_CKGR_MCFR); } while (!(tmp & AT91_PMC_MAINRDY)); main_clock = (tmp & AT91_PMC_MAINF) * (AT91_SLOW_CLOCK / 16); } main_clk.rate_hz = main_clock; /* report if PLLA is more than mildly overclocked */ - plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_sys_read(AT91_CKGR_PLLAR)); + plla.rate_hz = at91_pll_rate(&plla, main_clock, at91_pmc_read(AT91_CKGR_PLLAR)); if (cpu_has_300M_plla()) { if (plla.rate_hz > 300000000) pll_overclock = true; @@ -706,7 +711,7 @@ int __init at91_clock_init(unsigned long main_clock) pr_info("Clocks: PLLA overclocked, %ld MHz\n", plla.rate_hz / 1000000); if (cpu_has_plladiv2()) { - mckr = at91_sys_read(AT91_PMC_MCKR); + mckr = at91_pmc_read(AT91_PMC_MCKR); plla.rate_hz /= (1 << ((mckr & AT91_PMC_PLLADIV2) >> 12)); /* plla divisor by 2 */ } @@ -746,7 +751,7 @@ int __init at91_clock_init(unsigned long main_clock) * MCK and CPU derive from one of those primary clocks. * For now, assume this parentage won't change. */ - mckr = at91_sys_read(AT91_PMC_MCKR); + mckr = at91_pmc_read(AT91_PMC_MCKR); mck.parent = at91_css_to_clk(mckr & AT91_PMC_CSS); freq = mck.parent->rate_hz; freq /= pmc_prescaler_divider(mckr); /* prescale */ @@ -819,8 +824,8 @@ static int __init at91_clock_reset(void) pr_debug("Clocks: disable unused %s\n", clk->name); } - at91_sys_write(AT91_PMC_PCDR, pcdr); - at91_sys_write(AT91_PMC_SCDR, scdr); + at91_pmc_write(AT91_PMC_PCDR, pcdr); + at91_pmc_write(AT91_PMC_SCDR, scdr); return 0; } @@ -828,6 +833,6 @@ late_initcall(at91_clock_reset); void at91sam9_idle(void) { - at91_sys_write(AT91_PMC_SCDR, AT91_PMC_PCK); + at91_pmc_write(AT91_PMC_SCDR, AT91_PMC_PCK); cpu_do_idle(); } diff --git a/arch/arm/mach-at91/include/mach/at91_pmc.h b/arch/arm/mach-at91/include/mach/at91_pmc.h index f9fdbbe0c53a..36604782a78f 100644 --- a/arch/arm/mach-at91/include/mach/at91_pmc.h +++ b/arch/arm/mach-at91/include/mach/at91_pmc.h @@ -16,10 +16,22 @@ #ifndef AT91_PMC_H #define AT91_PMC_H -#define AT91_PMC_SCER (AT91_PMC + 0x00) /* System Clock Enable Register */ -#define AT91_PMC_SCDR (AT91_PMC + 0x04) /* System Clock Disable Register */ +#ifndef __ASSEMBLY__ +extern void __iomem *at91_pmc_base; -#define AT91_PMC_SCSR (AT91_PMC + 0x08) /* System Clock Status Register */ +#define at91_pmc_read(field) \ + __raw_readl(at91_pmc_base + field) + +#define at91_pmc_write(field, value) \ + __raw_writel(value, at91_pmc_base + field) +#else +.extern at91_aic_base +#endif + +#define AT91_PMC_SCER 0x00 /* System Clock Enable Register */ +#define AT91_PMC_SCDR 0x04 /* System Clock Disable Register */ + +#define AT91_PMC_SCSR 0x08 /* System Clock Status Register */ #define AT91_PMC_PCK (1 << 0) /* Processor Clock */ #define AT91RM9200_PMC_UDP (1 << 1) /* USB Devcice Port Clock [AT91RM9200 only] */ #define AT91RM9200_PMC_MCKUDP (1 << 2) /* USB Device Port Master Clock Automatic Disable on Suspend [AT91RM9200 only] */ @@ -34,17 +46,17 @@ #define AT91_PMC_HCK0 (1 << 16) /* AHB Clock (USB host) [AT91SAM9261 only] */ #define AT91_PMC_HCK1 (1 << 17) /* AHB Clock (LCD) [AT91SAM9261 only] */ -#define AT91_PMC_PCER (AT91_PMC + 0x10) /* Peripheral Clock Enable Register */ -#define AT91_PMC_PCDR (AT91_PMC + 0x14) /* Peripheral Clock Disable Register */ -#define AT91_PMC_PCSR (AT91_PMC + 0x18) /* Peripheral Clock Status Register */ +#define AT91_PMC_PCER 0x10 /* Peripheral Clock Enable Register */ +#define AT91_PMC_PCDR 0x14 /* Peripheral Clock Disable Register */ +#define AT91_PMC_PCSR 0x18 /* Peripheral Clock Status Register */ -#define AT91_CKGR_UCKR (AT91_PMC + 0x1C) /* UTMI Clock Register [some SAM9] */ +#define AT91_CKGR_UCKR 0x1C /* UTMI Clock Register [some SAM9] */ #define AT91_PMC_UPLLEN (1 << 16) /* UTMI PLL Enable */ #define AT91_PMC_UPLLCOUNT (0xf << 20) /* UTMI PLL Start-up Time */ #define AT91_PMC_BIASEN (1 << 24) /* UTMI BIAS Enable */ #define AT91_PMC_BIASCOUNT (0xf << 28) /* UTMI BIAS Start-up Time */ -#define AT91_CKGR_MOR (AT91_PMC + 0x20) /* Main Oscillator Register [not on SAM9RL] */ +#define AT91_CKGR_MOR 0x20 /* Main Oscillator Register [not on SAM9RL] */ #define AT91_PMC_MOSCEN (1 << 0) /* Main Oscillator Enable */ #define AT91_PMC_OSCBYPASS (1 << 1) /* Oscillator Bypass */ #define AT91_PMC_MOSCRCEN (1 << 3) /* Main On-Chip RC Oscillator Enable [some SAM9] */ @@ -53,12 +65,12 @@ #define AT91_PMC_MOSCSEL (1 << 24) /* Main Oscillator Selection [some SAM9] */ #define AT91_PMC_CFDEN (1 << 25) /* Clock Failure Detector Enable [some SAM9] */ -#define AT91_CKGR_MCFR (AT91_PMC + 0x24) /* Main Clock Frequency Register */ +#define AT91_CKGR_MCFR 0x24 /* Main Clock Frequency Register */ #define AT91_PMC_MAINF (0xffff << 0) /* Main Clock Frequency */ #define AT91_PMC_MAINRDY (1 << 16) /* Main Clock Ready */ -#define AT91_CKGR_PLLAR (AT91_PMC + 0x28) /* PLL A Register */ -#define AT91_CKGR_PLLBR (AT91_PMC + 0x2c) /* PLL B Register */ +#define AT91_CKGR_PLLAR 0x28 /* PLL A Register */ +#define AT91_CKGR_PLLBR 0x2c /* PLL B Register */ #define AT91_PMC_DIV (0xff << 0) /* Divider */ #define AT91_PMC_PLLCOUNT (0x3f << 8) /* PLL Counter */ #define AT91_PMC_OUT (3 << 14) /* PLL Clock Frequency Range */ @@ -69,7 +81,7 @@ #define AT91_PMC_USBDIV_4 (2 << 28) #define AT91_PMC_USB96M (1 << 28) /* Divider by 2 Enable (PLLB only) */ -#define AT91_PMC_MCKR (AT91_PMC + 0x30) /* Master Clock Register */ +#define AT91_PMC_MCKR 0x30 /* Master Clock Register */ #define AT91_PMC_CSS (3 << 0) /* Master Clock Selection */ #define AT91_PMC_CSS_SLOW (0 << 0) #define AT91_PMC_CSS_MAIN (1 << 0) @@ -111,27 +123,27 @@ #define AT91_PMC_PLLADIV2_OFF (0 << 12) #define AT91_PMC_PLLADIV2_ON (1 << 12) -#define AT91_PMC_USB (AT91_PMC + 0x38) /* USB Clock Register [some SAM9 only] */ +#define AT91_PMC_USB 0x38 /* USB Clock Register [some SAM9 only] */ #define AT91_PMC_USBS (0x1 << 0) /* USB OHCI Input clock selection */ #define AT91_PMC_USBS_PLLA (0 << 0) #define AT91_PMC_USBS_UPLL (1 << 0) #define AT91_PMC_OHCIUSBDIV (0xF << 8) /* Divider for USB OHCI Clock */ -#define AT91_PMC_SMD (AT91_PMC + 0x3c) /* Soft Modem Clock Register [some SAM9 only] */ +#define AT91_PMC_SMD 0x3c /* Soft Modem Clock Register [some SAM9 only] */ #define AT91_PMC_SMDS (0x1 << 0) /* SMD input clock selection */ #define AT91_PMC_SMD_DIV (0x1f << 8) /* SMD input clock divider */ #define AT91_PMC_SMDDIV(n) (((n) << 8) & AT91_PMC_SMD_DIV) -#define AT91_PMC_PCKR(n) (AT91_PMC + 0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */ +#define AT91_PMC_PCKR(n) (0x40 + ((n) * 4)) /* Programmable Clock 0-N Registers */ #define AT91_PMC_ALT_PCKR_CSS (0x7 << 0) /* Programmable Clock Source Selection [alternate length] */ #define AT91_PMC_CSS_MASTER (4 << 0) /* [some SAM9 only] */ #define AT91_PMC_CSSMCK (0x1 << 8) /* CSS or Master Clock Selection */ #define AT91_PMC_CSSMCK_CSS (0 << 8) #define AT91_PMC_CSSMCK_MCK (1 << 8) -#define AT91_PMC_IER (AT91_PMC + 0x60) /* Interrupt Enable Register */ -#define AT91_PMC_IDR (AT91_PMC + 0x64) /* Interrupt Disable Register */ -#define AT91_PMC_SR (AT91_PMC + 0x68) /* Status Register */ +#define AT91_PMC_IER 0x60 /* Interrupt Enable Register */ +#define AT91_PMC_IDR 0x64 /* Interrupt Disable Register */ +#define AT91_PMC_SR 0x68 /* Status Register */ #define AT91_PMC_MOSCS (1 << 0) /* MOSCS Flag */ #define AT91_PMC_LOCKA (1 << 1) /* PLLA Lock */ #define AT91_PMC_LOCKB (1 << 2) /* PLLB Lock */ @@ -144,18 +156,18 @@ #define AT91_PMC_MOSCSELS (1 << 16) /* Main Oscillator Selection [some SAM9] */ #define AT91_PMC_MOSCRCS (1 << 17) /* Main On-Chip RC [some SAM9] */ #define AT91_PMC_CFDEV (1 << 18) /* Clock Failure Detector Event [some SAM9] */ -#define AT91_PMC_IMR (AT91_PMC + 0x6c) /* Interrupt Mask Register */ +#define AT91_PMC_IMR 0x6c /* Interrupt Mask Register */ -#define AT91_PMC_PROT (AT91_PMC + 0xe4) /* Write Protect Mode Register [some SAM9] */ +#define AT91_PMC_PROT 0xe4 /* Write Protect Mode Register [some SAM9] */ #define AT91_PMC_WPEN (0x1 << 0) /* Write Protect Enable */ #define AT91_PMC_WPKEY (0xffffff << 8) /* Write Protect Key */ #define AT91_PMC_PROTKEY (0x504d43 << 8) /* Activation Code */ -#define AT91_PMC_WPSR (AT91_PMC + 0xe8) /* Write Protect Status Register [some SAM9] */ +#define AT91_PMC_WPSR 0xe8 /* Write Protect Status Register [some SAM9] */ #define AT91_PMC_WPVS (0x1 << 0) /* Write Protect Violation Status */ #define AT91_PMC_WPVSRC (0xffff << 8) /* Write Protect Violation Source */ -#define AT91_PMC_PCR (AT91_PMC + 0x10c) /* Peripheral Control Register [some SAM9] */ +#define AT91_PMC_PCR 0x10c /* Peripheral Control Register [some SAM9] */ #define AT91_PMC_PCR_PID (0x3f << 0) /* Peripheral ID */ #define AT91_PMC_PCR_CMD (0x1 << 12) /* Command */ #define AT91_PMC_PCR_DIV (0x3 << 16) /* Divisor Value */ diff --git a/arch/arm/mach-at91/include/mach/at91rm9200.h b/arch/arm/mach-at91/include/mach/at91rm9200.h index 32d57be47986..603e6aac2a4f 100644 --- a/arch/arm/mach-at91/include/mach/at91rm9200.h +++ b/arch/arm/mach-at91/include/mach/at91rm9200.h @@ -77,10 +77,8 @@ /* - * System Peripherals (offset from AT91_BASE_SYS) + * System Peripherals */ -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) /* Power Management Controller */ - #define AT91RM9200_BASE_DBGU AT91_BASE_DBGU0 /* Debug Unit */ #define AT91RM9200_BASE_PIOA 0xfffff400 /* PIO Controller A */ #define AT91RM9200_BASE_PIOB 0xfffff600 /* PIO Controller B */ diff --git a/arch/arm/mach-at91/include/mach/at91sam9260.h b/arch/arm/mach-at91/include/mach/at91sam9260.h index c5b6b3b71060..1524e87c0043 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9260.h +++ b/arch/arm/mach-at91/include/mach/at91sam9260.h @@ -80,7 +80,6 @@ /* * System Peripherals (offset from AT91_BASE_SYS) */ -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) #define AT91SAM9260_BASE_ECC 0xffffe800 diff --git a/arch/arm/mach-at91/include/mach/at91sam9261.h b/arch/arm/mach-at91/include/mach/at91sam9261.h index a269cef51aec..a6a3c1d4bc7f 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9261.h +++ b/arch/arm/mach-at91/include/mach/at91sam9261.h @@ -65,7 +65,6 @@ /* * System Peripherals (offset from AT91_BASE_SYS) */ -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd50 - AT91_BASE_SYS) #define AT91SAM9261_BASE_SMC 0xffffec00 diff --git a/arch/arm/mach-at91/include/mach/at91sam9263.h b/arch/arm/mach-at91/include/mach/at91sam9263.h index bccba0b679c2..dda083d1a66b 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9263.h +++ b/arch/arm/mach-at91/include/mach/at91sam9263.h @@ -74,7 +74,6 @@ /* * System Peripherals (offset from AT91_BASE_SYS) */ -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91SAM9263_BASE_ECC0 0xffffe000 diff --git a/arch/arm/mach-at91/include/mach/at91sam9g45.h b/arch/arm/mach-at91/include/mach/at91sam9g45.h index dfc4570fffe2..a824e15bf00d 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9g45.h +++ b/arch/arm/mach-at91/include/mach/at91sam9g45.h @@ -86,7 +86,6 @@ /* * System Peripherals (offset from AT91_BASE_SYS) */ -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) #define AT91SAM9G45_BASE_ECC 0xffffe200 diff --git a/arch/arm/mach-at91/include/mach/at91sam9rl.h b/arch/arm/mach-at91/include/mach/at91sam9rl.h index de960dc1da05..2d7176ac9002 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9rl.h +++ b/arch/arm/mach-at91/include/mach/at91sam9rl.h @@ -69,7 +69,6 @@ /* * System Peripherals (offset from AT91_BASE_SYS) */ -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) #define AT91_SCKCR (0xfffffd50 - AT91_BASE_SYS) #define AT91_GPBR (0xfffffd60 - AT91_BASE_SYS) diff --git a/arch/arm/mach-at91/include/mach/at91sam9x5.h b/arch/arm/mach-at91/include/mach/at91sam9x5.h index 96f25f556abf..a297a77d88e2 100644 --- a/arch/arm/mach-at91/include/mach/at91sam9x5.h +++ b/arch/arm/mach-at91/include/mach/at91sam9x5.h @@ -55,10 +55,9 @@ #define AT91SAM9X5_BASE_USART2 0xf8024000 /* - * System Peripherals (offset from AT91_BASE_SYS) + * System Peripherals */ #define AT91SAM9X5_BASE_DDRSDRC0 0xffffe800 -#define AT91_PMC (0xfffffc00 - AT91_BASE_SYS) /* * Base addresses for early serial code (uncompress.h) diff --git a/arch/arm/mach-at91/include/mach/hardware.h b/arch/arm/mach-at91/include/mach/hardware.h index fd7dce4f7378..e9e29a6c3868 100644 --- a/arch/arm/mach-at91/include/mach/hardware.h +++ b/arch/arm/mach-at91/include/mach/hardware.h @@ -59,9 +59,10 @@ /* * On all at91 have the Advanced Interrupt Controller starts at address - * 0xfffff000 + * 0xfffff000 and the Power Management Controller starts at 0xfffffc00 */ #define AT91_AIC 0xfffff000 +#define AT91_PMC 0xfffffc00 /* * Peripheral identifiers/interrupts. diff --git a/arch/arm/mach-at91/pm.c b/arch/arm/mach-at91/pm.c index 2793591c73c0..6c9d5e69ac28 100644 --- a/arch/arm/mach-at91/pm.c +++ b/arch/arm/mach-at91/pm.c @@ -136,7 +136,7 @@ static int at91_pm_verify_clocks(void) unsigned long scsr; int i; - scsr = at91_sys_read(AT91_PMC_SCSR); + scsr = at91_pmc_read(AT91_PMC_SCSR); /* USB must not be using PLLB */ if (cpu_is_at91rm9200()) { @@ -160,7 +160,7 @@ static int at91_pm_verify_clocks(void) if ((scsr & (AT91_PMC_PCK0 << i)) == 0) continue; - css = at91_sys_read(AT91_PMC_PCKR(i)) & AT91_PMC_CSS; + css = at91_pmc_read(AT91_PMC_PCKR(i)) & AT91_PMC_CSS; if (css != AT91_PMC_CSS_SLOW) { pr_err("AT91: PM - Suspend-to-RAM with PCK%d src %d\n", i, css); return 0; @@ -197,7 +197,6 @@ extern void at91_slow_clock(void __iomem *pmc, void __iomem *ramc0, extern u32 at91_slow_clock_sz; #endif -static void __iomem *at91_pmc_base = (void __iomem*)(AT91_VA_BASE_SYS + AT91_PMC); void __iomem *at91_ramc_base[2]; void __init at91_ioremap_ramc(int id, u32 addr, u32 size) @@ -218,7 +217,7 @@ static int at91_pm_enter(suspend_state_t state) pr_debug("AT91: PM - wake mask %08x, pm state %d\n", /* remember all the always-wake irqs */ - (at91_sys_read(AT91_PMC_PCSR) + (at91_pmc_read(AT91_PMC_PCSR) | (1 << AT91_ID_FIQ) | (1 << AT91_ID_SYS) | (at91_extern_irq)) diff --git a/arch/arm/mach-at91/pm_slowclock.S b/arch/arm/mach-at91/pm_slowclock.S index 2c46010953c2..db5452123f17 100644 --- a/arch/arm/mach-at91/pm_slowclock.S +++ b/arch/arm/mach-at91/pm_slowclock.S @@ -54,7 +54,7 @@ tmp2 .req r5 1: sub tmp2, tmp2, #1 cmp tmp2, #0 beq 2f - ldr tmp1, [pmc, #(AT91_PMC_SR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_PMC_SR] tst tmp1, #AT91_PMC_MCKRDY beq 1b 2: @@ -68,7 +68,7 @@ tmp2 .req r5 1: sub tmp2, tmp2, #1 cmp tmp2, #0 beq 2f - ldr tmp1, [pmc, #(AT91_PMC_SR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_PMC_SR] tst tmp1, #AT91_PMC_MOSCS beq 1b 2: @@ -82,7 +82,7 @@ tmp2 .req r5 1: sub tmp2, tmp2, #1 cmp tmp2, #0 beq 2f - ldr tmp1, [pmc, #(AT91_PMC_SR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_PMC_SR] tst tmp1, #AT91_PMC_LOCKA beq 1b 2: @@ -96,7 +96,7 @@ tmp2 .req r5 1: sub tmp2, tmp2, #1 cmp tmp2, #0 beq 2f - ldr tmp1, [pmc, #(AT91_PMC_SR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_PMC_SR] tst tmp1, #AT91_PMC_LOCKB beq 1b 2: @@ -176,14 +176,14 @@ sdr_sr_enable: sdr_sr_done: /* Save Master clock setting */ - ldr tmp1, [pmc, #(AT91_PMC_MCKR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_PMC_MCKR] str tmp1, .saved_mckr /* * Set the Master clock source to slow clock */ bic tmp1, tmp1, #AT91_PMC_CSS - str tmp1, [pmc, #(AT91_PMC_MCKR - AT91_PMC)] + str tmp1, [pmc, #AT91_PMC_MCKR] wait_mckrdy @@ -194,44 +194,44 @@ sdr_sr_done: * See AT91RM9200 errata #27 and #28 for details. */ mov tmp1, #0 - str tmp1, [pmc, #(AT91_PMC_MCKR - AT91_PMC)] + str tmp1, [pmc, #AT91_PMC_MCKR] wait_mckrdy #endif /* Save PLLA setting and disable it */ - ldr tmp1, [pmc, #(AT91_CKGR_PLLAR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_CKGR_PLLAR] str tmp1, .saved_pllar mov tmp1, #AT91_PMC_PLLCOUNT orr tmp1, tmp1, #(1 << 29) /* bit 29 always set */ - str tmp1, [pmc, #(AT91_CKGR_PLLAR - AT91_PMC)] + str tmp1, [pmc, #AT91_CKGR_PLLAR] /* Save PLLB setting and disable it */ - ldr tmp1, [pmc, #(AT91_CKGR_PLLBR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_CKGR_PLLBR] str tmp1, .saved_pllbr mov tmp1, #AT91_PMC_PLLCOUNT - str tmp1, [pmc, #(AT91_CKGR_PLLBR - AT91_PMC)] + str tmp1, [pmc, #AT91_CKGR_PLLBR] /* Turn off the main oscillator */ - ldr tmp1, [pmc, #(AT91_CKGR_MOR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_CKGR_MOR] bic tmp1, tmp1, #AT91_PMC_MOSCEN - str tmp1, [pmc, #(AT91_CKGR_MOR - AT91_PMC)] + str tmp1, [pmc, #AT91_CKGR_MOR] /* Wait for interrupt */ mcr p15, 0, tmp1, c7, c0, 4 /* Turn on the main oscillator */ - ldr tmp1, [pmc, #(AT91_CKGR_MOR - AT91_PMC)] + ldr tmp1, [pmc, #AT91_CKGR_MOR] orr tmp1, tmp1, #AT91_PMC_MOSCEN - str tmp1, [pmc, #(AT91_CKGR_MOR - AT91_PMC)] + str tmp1, [pmc, #AT91_CKGR_MOR] wait_moscrdy /* Restore PLLB setting */ ldr tmp1, .saved_pllbr - str tmp1, [pmc, #(AT91_CKGR_PLLBR - AT91_PMC)] + str tmp1, [pmc, #AT91_CKGR_PLLBR] tst tmp1, #(AT91_PMC_MUL & 0xff0000) bne 1f @@ -243,7 +243,7 @@ sdr_sr_done: /* Restore PLLA setting */ ldr tmp1, .saved_pllar - str tmp1, [pmc, #(AT91_CKGR_PLLAR - AT91_PMC)] + str tmp1, [pmc, #AT91_CKGR_PLLAR] tst tmp1, #(AT91_PMC_MUL & 0xff0000) bne 3f @@ -264,7 +264,7 @@ sdr_sr_done: tst tmp1, #AT91_PMC_PRES beq 2f and tmp1, tmp1, #AT91_PMC_PRES - str tmp1, [pmc, #(AT91_PMC_MCKR - AT91_PMC)] + str tmp1, [pmc, #AT91_PMC_MCKR] wait_mckrdy #endif @@ -273,7 +273,7 @@ sdr_sr_done: * Restore master clock setting */ 2: ldr tmp1, .saved_mckr - str tmp1, [pmc, #(AT91_PMC_MCKR - AT91_PMC)] + str tmp1, [pmc, #AT91_PMC_MCKR] wait_mckrdy -- cgit v1.2.3