diff options
Diffstat (limited to 'arch/arm/mach-mxs')
| -rw-r--r-- | arch/arm/mach-mxs/Kconfig | 24 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/Makefile | 2 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/Makefile.boot | 1 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/debug-macro.S | 27 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/timex.h | 21 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/include/mach/uncompress.h | 76 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/mach-mxs.c | 3 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/pm.c | 4 | ||||
| -rw-r--r-- | arch/arm/mach-mxs/pm.h | 14 |
9 files changed, 33 insertions, 139 deletions
diff --git a/arch/arm/mach-mxs/Kconfig b/arch/arm/mach-mxs/Kconfig index ecc431909d6f..4dc2fbba0ecd 100644 --- a/arch/arm/mach-mxs/Kconfig +++ b/arch/arm/mach-mxs/Kconfig @@ -1,8 +1,7 @@ -if ARCH_MXS - config SOC_IMX23 bool select ARM_AMBA + select ARM_CPU_SUSPEND if PM select CPU_ARM926T select HAVE_PWM select PINCTRL_IMX23 @@ -10,19 +9,24 @@ config SOC_IMX23 config SOC_IMX28 bool select ARM_AMBA + select ARM_CPU_SUSPEND if PM select CPU_ARM926T select HAVE_CAN_FLEXCAN if CAN select HAVE_PWM select PINCTRL_IMX28 -comment "MXS platforms:" - -config MACH_MXS_DT - bool "Support MXS platforms from device tree" +config ARCH_MXS + bool "Freescale MXS (i.MX23, i.MX28) support" + depends on ARCH_MULTI_V5 + select ARCH_REQUIRE_GPIOLIB + select CLKDEV_LOOKUP + select CLKSRC_MMIO + select CLKSRC_OF + select GENERIC_CLOCKEVENTS + select HAVE_CLK_PREPARE + select PINCTRL select SOC_IMX23 select SOC_IMX28 + select STMP_DEVICE help - Include support for Freescale MXS platforms(i.MX23 and i.MX28) - using the device tree for discovery - -endif + Support for Freescale MXS-based family of processors diff --git a/arch/arm/mach-mxs/Makefile b/arch/arm/mach-mxs/Makefile index 80db7269760e..cc2bf6748ade 100644 --- a/arch/arm/mach-mxs/Makefile +++ b/arch/arm/mach-mxs/Makefile @@ -1,2 +1,2 @@ obj-$(CONFIG_PM) += pm.o -obj-$(CONFIG_MACH_MXS_DT) += mach-mxs.o +obj-$(CONFIG_ARCH_MXS) += mach-mxs.o diff --git a/arch/arm/mach-mxs/Makefile.boot b/arch/arm/mach-mxs/Makefile.boot deleted file mode 100644 index 07b11fe6453f..000000000000 --- a/arch/arm/mach-mxs/Makefile.boot +++ /dev/null @@ -1 +0,0 @@ -zreladdr-y += 0x40008000 diff --git a/arch/arm/mach-mxs/include/mach/debug-macro.S b/arch/arm/mach-mxs/include/mach/debug-macro.S deleted file mode 100644 index d86951551ca1..000000000000 --- a/arch/arm/mach-mxs/include/mach/debug-macro.S +++ /dev/null @@ -1,27 +0,0 @@ -/* arch/arm/mach-mxs/include/mach/debug-macro.S - * - * Debugging macro include header - * - * Copyright (C) 1994-1999 Russell King - * Moved from linux/arch/arm/kernel/debug.S by Ben Dooks - * - * 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. - * - */ - -#ifdef CONFIG_DEBUG_IMX23_UART -#define UART_PADDR 0x80070000 -#elif defined (CONFIG_DEBUG_IMX28_UART) -#define UART_PADDR 0x80074000 -#endif - -#define UART_VADDR 0xfe100000 - - .macro addruart, rp, rv, tmp - ldr \rp, =UART_PADDR @ physical - ldr \rv, =UART_VADDR @ virtual - .endm - -#include <asm/hardware/debug-pl01x.S> diff --git a/arch/arm/mach-mxs/include/mach/timex.h b/arch/arm/mach-mxs/include/mach/timex.h deleted file mode 100644 index 734ce8984a64..000000000000 --- a/arch/arm/mach-mxs/include/mach/timex.h +++ /dev/null @@ -1,21 +0,0 @@ -/* - * Copyright (C) 1999 ARM Limited - * Copyright 2004-2007 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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, or - * (at your option) any later version. - * - * 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. - */ - -#ifndef __MACH_MXS_TIMEX_H__ -#define __MACH_MXS_TIMEX_H__ - -#define CLOCK_TICK_RATE 32000 /* 32K */ - -#endif /* __MACH_MXS_TIMEX_H__ */ diff --git a/arch/arm/mach-mxs/include/mach/uncompress.h b/arch/arm/mach-mxs/include/mach/uncompress.h deleted file mode 100644 index 533f5186e200..000000000000 --- a/arch/arm/mach-mxs/include/mach/uncompress.h +++ /dev/null @@ -1,76 +0,0 @@ -/* - * arch/arm/mach-mxs/include/mach/uncompress.h - * - * Copyright (C) 1999 ARM Limited - * Copyright (C) Shane Nay (shane@minirl.com) - * Copyright 2010 Freescale Semiconductor, Inc. All Rights Reserved. - * - * 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, or - * (at your option) any later version. - * - * 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. - */ -#ifndef __MACH_MXS_UNCOMPRESS_H__ -#define __MACH_MXS_UNCOMPRESS_H__ - -unsigned long mxs_duart_base; - -#define MXS_DUART(x) (*(volatile unsigned long *)(mxs_duart_base + (x))) - -#define MXS_DUART_DR 0x00 -#define MXS_DUART_FR 0x18 -#define MXS_DUART_FR_TXFE (1 << 7) -#define MXS_DUART_CR 0x30 -#define MXS_DUART_CR_UARTEN (1 << 0) - -/* - * The following code assumes the serial port has already been - * initialized by the bootloader. If it's not, the output is - * simply discarded. - */ - -static void putc(int ch) -{ - if (!mxs_duart_base) - return; - if (!(MXS_DUART(MXS_DUART_CR) & MXS_DUART_CR_UARTEN)) - return; - - while (!(MXS_DUART(MXS_DUART_FR) & MXS_DUART_FR_TXFE)) - barrier(); - - MXS_DUART(MXS_DUART_DR) = ch; -} - -static inline void flush(void) -{ -} - -#define MX23_DUART_BASE_ADDR 0x80070000 -#define MX28_DUART_BASE_ADDR 0x80074000 -#define MXS_DIGCTL_CHIPID 0x8001c310 - -static inline void __arch_decomp_setup(unsigned long arch_id) -{ - u16 chipid = (*(volatile unsigned long *) MXS_DIGCTL_CHIPID) >> 16; - - switch (chipid) { - case 0x3780: - mxs_duart_base = MX23_DUART_BASE_ADDR; - break; - case 0x2800: - mxs_duart_base = MX28_DUART_BASE_ADDR; - break; - default: - break; - } -} - -#define arch_decomp_setup() __arch_decomp_setup(arch_id) - -#endif /* __MACH_MXS_UNCOMPRESS_H__ */ diff --git a/arch/arm/mach-mxs/mach-mxs.c b/arch/arm/mach-mxs/mach-mxs.c index f39ab808694d..5b62b6489d4b 100644 --- a/arch/arm/mach-mxs/mach-mxs.c +++ b/arch/arm/mach-mxs/mach-mxs.c @@ -31,6 +31,8 @@ #include <asm/mach/time.h> #include <asm/system_misc.h> +#include "pm.h" + /* MXS DIGCTL SAIF CLKMUX */ #define MXS_DIGCTL_SAIF_CLKMUX_DIRECT 0x0 #define MXS_DIGCTL_SAIF_CLKMUX_CROSSINPUT 0x1 @@ -437,6 +439,7 @@ DT_MACHINE_START(MXS, "Freescale MXS (Device Tree)") .handle_irq = icoll_handle_irq, .init_time = mxs_timer_init, .init_machine = mxs_machine_init, + .init_late = mxs_pm_init, .dt_compat = mxs_dt_compat, .restart = mxs_restart, MACHINE_END diff --git a/arch/arm/mach-mxs/pm.c b/arch/arm/mach-mxs/pm.c index a9b4bbcdafb4..b2494d2db2c4 100644 --- a/arch/arm/mach-mxs/pm.c +++ b/arch/arm/mach-mxs/pm.c @@ -34,9 +34,7 @@ static struct platform_suspend_ops mxs_suspend_ops = { .valid = suspend_valid_only_mem, }; -static int __init mxs_pm_init(void) +void __init mxs_pm_init(void) { suspend_set_ops(&mxs_suspend_ops); - return 0; } -device_initcall(mxs_pm_init); diff --git a/arch/arm/mach-mxs/pm.h b/arch/arm/mach-mxs/pm.h new file mode 100644 index 000000000000..f57e7cdece2e --- /dev/null +++ b/arch/arm/mach-mxs/pm.h @@ -0,0 +1,14 @@ +/* + * Copyright (C) 2013 Freescale Semiconductor, Inc. + * + * 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. + */ + +#ifndef __ARCH_MXS_PM_H +#define __ARCH_MXS_PM_H + +void mxs_pm_init(void); + +#endif |