From 431fb7df24ebf360ba35895a60d084de364e39f8 Mon Sep 17 00:00:00 2001 From: Ben Dooks Date: Fri, 5 Feb 2010 13:52:53 +0100 Subject: ARM: SAMSUNG: Move pm-core.h to machine directory Move the pm-core.h to the machine include directory in the process of eliminating the plat-s3c64xx. Signed-off-by: Ben Dooks diff --git a/arch/arm/mach-s3c2410/include/mach/pm-core.h b/arch/arm/mach-s3c2410/include/mach/pm-core.h new file mode 100644 index 0000000..70a83b2 --- /dev/null +++ b/arch/arm/mach-s3c2410/include/mach/pm-core.h @@ -0,0 +1,64 @@ +/* linux/arch/arm/mach-s3c2410/include/pm-core.h + * + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C24xx - PM core support for arch/arm/plat-s3c/pm.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +static inline void s3c_pm_debug_init_uart(void) +{ + unsigned long tmp = __raw_readl(S3C2410_CLKCON); + + /* re-start uart clocks */ + tmp |= S3C2410_CLKCON_UART0; + tmp |= S3C2410_CLKCON_UART1; + tmp |= S3C2410_CLKCON_UART2; + + __raw_writel(tmp, S3C2410_CLKCON); + udelay(10); +} + +static inline void s3c_pm_arch_prepare_irqs(void) +{ + __raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK); + __raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK); + + /* ack any outstanding external interrupts before we go to sleep */ + + __raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND); + __raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND); + __raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND); + +} + +static inline void s3c_pm_arch_stop_clocks(void) +{ + __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */ +} + +static void s3c_pm_show_resume_irqs(int start, unsigned long which, + unsigned long mask); + +static inline void s3c_pm_arch_show_resume_irqs(void) +{ + S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n", + __raw_readl(S3C2410_SRCPND), + __raw_readl(S3C2410_EINTPEND)); + + s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND), + s3c_irqwake_intmask); + + s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND), + s3c_irqwake_eintmask); +} + +static inline void s3c_pm_arch_update_uart(void __iomem *regs, + struct pm_uart_save *save) +{ +} diff --git a/arch/arm/mach-s3c64xx/include/mach/pm-core.h b/arch/arm/mach-s3c64xx/include/mach/pm-core.h new file mode 100644 index 0000000..1e9f20f --- /dev/null +++ b/arch/arm/mach-s3c64xx/include/mach/pm-core.h @@ -0,0 +1,98 @@ +/* linux/arch/arm/mach-s3c64xx/include/mach/pm-core.h + * + * Copyright 2008 Openmoko, Inc. + * Copyright 2008 Simtec Electronics + * Ben Dooks + * http://armlinux.simtec.co.uk/ + * + * S3C64XX - PM core support for arch/arm/plat-s3c/pm.c + * + * This program is free software; you can redistribute it and/or modify + * it under the terms of the GNU General Public License version 2 as + * published by the Free Software Foundation. + */ + +#include + +static inline void s3c_pm_debug_init_uart(void) +{ + u32 tmp = __raw_readl(S3C_PCLK_GATE); + + /* As a note, since the S3C64XX UARTs generally have multiple + * clock sources, we simply enable PCLK at the moment and hope + * that the resume settings for the UART are suitable for the + * use with PCLK. + */ + + tmp |= S3C_CLKCON_PCLK_UART0; + tmp |= S3C_CLKCON_PCLK_UART1; + tmp |= S3C_CLKCON_PCLK_UART2; + tmp |= S3C_CLKCON_PCLK_UART3; + + __raw_writel(tmp, S3C_PCLK_GATE); + udelay(10); +} + +static inline void s3c_pm_arch_prepare_irqs(void) +{ + /* VIC should have already been taken care of */ + + /* clear any pending EINT0 interrupts */ + __raw_writel(__raw_readl(S3C64XX_EINT0PEND), S3C64XX_EINT0PEND); +} + +static inline void s3c_pm_arch_stop_clocks(void) +{ +} + +static inline void s3c_pm_arch_show_resume_irqs(void) +{ +} + +/* make these defines, we currently do not have any need to change + * the IRQ wake controls depending on the CPU we are running on */ + +#define s3c_irqwake_eintallow ((1 << 28) - 1) +#define s3c_irqwake_intallow (0) + +static inline void s3c_pm_arch_update_uart(void __iomem *regs, + struct pm_uart_save *save) +{ + u32 ucon = __raw_readl(regs + S3C2410_UCON); + u32 ucon_clk = ucon & S3C6400_UCON_CLKMASK; + u32 save_clk = save->ucon & S3C6400_UCON_CLKMASK; + u32 new_ucon; + u32 delta; + + /* S3C64XX UART blocks only support level interrupts, so ensure that + * when we restore unused UART blocks we force the level interrupt + * settigs. */ + save->ucon |= S3C2410_UCON_TXILEVEL | S3C2410_UCON_RXILEVEL; + + /* We have a constraint on changing the clock type of the UART + * between UCLKx and PCLK, so ensure that when we restore UCON + * that the CLK field is correctly modified if the bootloader + * has changed anything. + */ + if (ucon_clk != save_clk) { + new_ucon = save->ucon; + delta = ucon_clk ^ save_clk; + + /* change from UCLKx => wrong PCLK, + * either UCLK can be tested for by a bit-test + * with UCLK0 */ + if (ucon_clk & S3C6400_UCON_UCLK0 && + !(save_clk & S3C6400_UCON_UCLK0) && + delta & S3C6400_UCON_PCLK2) { + new_ucon &= ~S3C6400_UCON_UCLK0; + } else if (delta == S3C6400_UCON_PCLK2) { + /* as an precaution, don't change from + * PCLK2 => PCLK or vice-versa */ + new_ucon ^= S3C6400_UCON_PCLK2; + } + + S3C_PMDBG("ucon change %04x => %04x (save=%04x)\n", + ucon, new_ucon, save->ucon); + save->ucon = new_ucon; + } +} diff --git a/arch/arm/plat-s3c/pm.c b/arch/arm/plat-s3c/pm.c index e5eef126..27cfca5 100644 --- a/arch/arm/plat-s3c/pm.c +++ b/arch/arm/plat-s3c/pm.c @@ -29,7 +29,7 @@ #include #include -#include +#include /* for external use */ diff --git a/arch/arm/plat-s3c24xx/include/plat/pm-core.h b/arch/arm/plat-s3c24xx/include/plat/pm-core.h deleted file mode 100644 index fb45dd9..0000000 --- a/arch/arm/plat-s3c24xx/include/plat/pm-core.h +++ /dev/null @@ -1,64 +0,0 @@ -/* linux/arch/arm/plat-s3c24xx/include/plat/pll.h - * - * Copyright 2008 Simtec Electronics - * Ben Dooks - * http://armlinux.simtec.co.uk/ - * - * S3C24xx - PM core support for arch/arm/plat-s3c/pm.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -static inline void s3c_pm_debug_init_uart(void) -{ - unsigned long tmp = __raw_readl(S3C2410_CLKCON); - - /* re-start uart clocks */ - tmp |= S3C2410_CLKCON_UART0; - tmp |= S3C2410_CLKCON_UART1; - tmp |= S3C2410_CLKCON_UART2; - - __raw_writel(tmp, S3C2410_CLKCON); - udelay(10); -} - -static inline void s3c_pm_arch_prepare_irqs(void) -{ - __raw_writel(s3c_irqwake_intmask, S3C2410_INTMSK); - __raw_writel(s3c_irqwake_eintmask, S3C2410_EINTMASK); - - /* ack any outstanding external interrupts before we go to sleep */ - - __raw_writel(__raw_readl(S3C2410_EINTPEND), S3C2410_EINTPEND); - __raw_writel(__raw_readl(S3C2410_INTPND), S3C2410_INTPND); - __raw_writel(__raw_readl(S3C2410_SRCPND), S3C2410_SRCPND); - -} - -static inline void s3c_pm_arch_stop_clocks(void) -{ - __raw_writel(0x00, S3C2410_CLKCON); /* turn off clocks over sleep */ -} - -static void s3c_pm_show_resume_irqs(int start, unsigned long which, - unsigned long mask); - -static inline void s3c_pm_arch_show_resume_irqs(void) -{ - S3C_PMDBG("post sleep: IRQs 0x%08x, 0x%08x\n", - __raw_readl(S3C2410_SRCPND), - __raw_readl(S3C2410_EINTPEND)); - - s3c_pm_show_resume_irqs(IRQ_EINT0, __raw_readl(S3C2410_SRCPND), - s3c_irqwake_intmask); - - s3c_pm_show_resume_irqs(IRQ_EINT4-4, __raw_readl(S3C2410_EINTPEND), - s3c_irqwake_eintmask); -} - -static inline void s3c_pm_arch_update_uart(void __iomem *regs, - struct pm_uart_save *save) -{ -} diff --git a/arch/arm/plat-s3c64xx/include/plat/pm-core.h b/arch/arm/plat-s3c64xx/include/plat/pm-core.h deleted file mode 100644 index 61b8aae..0000000 --- a/arch/arm/plat-s3c64xx/include/plat/pm-core.h +++ /dev/null @@ -1,98 +0,0 @@ -/* linux/arch/arm/plat-s3c64xx/include/plat/pm-core.h - * - * Copyright 2008 Openmoko, Inc. - * Copyright 2008 Simtec Electronics - * Ben Dooks - * http://armlinux.simtec.co.uk/ - * - * S3C64XX - PM core support for arch/arm/plat-s3c/pm.c - * - * This program is free software; you can redistribute it and/or modify - * it under the terms of the GNU General Public License version 2 as - * published by the Free Software Foundation. - */ - -#include - -static inline void s3c_pm_debug_init_uart(void) -{ - u32 tmp = __raw_readl(S3C_PCLK_GATE); - - /* As a note, since the S3C64XX UARTs generally have multiple - * clock sources, we simply enable PCLK at the moment and hope - * that the resume settings for the UART are suitable for the - * use with PCLK. - */ - - tmp |= S3C_CLKCON_PCLK_UART0; - tmp |= S3C_CLKCON_PCLK_UART1; - tmp |= S3C_CLKCON_PCLK_UART2; - tmp |= S3C_CLKCON_PCLK_UART3; - - __raw_writel(tmp, S3C_PCLK_GATE); - udelay(10); -} - -static inline void s3c_pm_arch_prepare_irqs(void) -{ - /* VIC should have already been taken care of */ - - /* clear any pending EINT0 interrupts */ - __raw_writel(__raw_readl(S3C64XX_EINT0PEND), S3C64XX_EINT0PEND); -} - -static inline void s3c_pm_arch_stop_clocks(void) -{ -} - -static inline void s3c_pm_arch_show_resume_irqs(void) -{ -} - -/* make these defines, we currently do not have any need to change - * the IRQ wake controls depending on the CPU we are running on */ - -#define s3c_irqwake_eintallow ((1 << 28) - 1) -#define s3c_irqwake_intallow (0) - -static inline void s3c_pm_arch_update_uart(void __iomem *regs, - struct pm_uart_save *save) -{ - u32 ucon = __raw_readl(regs + S3C2410_UCON); - u32 ucon_clk = ucon & S3C6400_UCON_CLKMASK; - u32 save_clk = save->ucon & S3C6400_UCON_CLKMASK; - u32 new_ucon; - u32 delta; - - /* S3C64XX UART blocks only support level interrupts, so ensure that - * when we restore unused UART blocks we force the level interrupt - * settigs. */ - save->ucon |= S3C2410_UCON_TXILEVEL | S3C2410_UCON_RXILEVEL; - - /* We have a constraint on changing the clock type of the UART - * between UCLKx and PCLK, so ensure that when we restore UCON - * that the CLK field is correctly modified if the bootloader - * has changed anything. - */ - if (ucon_clk != save_clk) { - new_ucon = save->ucon; - delta = ucon_clk ^ save_clk; - - /* change from UCLKx => wrong PCLK, - * either UCLK can be tested for by a bit-test - * with UCLK0 */ - if (ucon_clk & S3C6400_UCON_UCLK0 && - !(save_clk & S3C6400_UCON_UCLK0) && - delta & S3C6400_UCON_PCLK2) { - new_ucon &= ~S3C6400_UCON_UCLK0; - } else if (delta == S3C6400_UCON_PCLK2) { - /* as an precaution, don't change from - * PCLK2 => PCLK or vice-versa */ - new_ucon ^= S3C6400_UCON_PCLK2; - } - - S3C_PMDBG("ucon change %04x => %04x (save=%04x)\n", - ucon, new_ucon, save->ucon); - save->ucon = new_ucon; - } -} -- cgit v0.10.2