From: Lennert Buytenhek Date: Mon, 18 Sep 2006 22:12:53 +0000 (+0100) Subject: [ARM] 3818/1: iop3xx: introduce arch/arm/plat-iop for shared iop32x/iop33x code X-Git-Url: https://git.stricted.de/?a=commitdiff_plain;h=7ae1f7ec525c32db441836ab0ab010b85cb819a2;p=GitHub%2FLineageOS%2Fandroid_kernel_motorola_exynos9610.git [ARM] 3818/1: iop3xx: introduce arch/arm/plat-iop for shared iop32x/iop33x code Introduce the arch/arm/plat-iop directory, for code shared between the iop32x and iop33x, and move the common memory map setup bits there. Signed-off-by: Lennert Buytenhek Signed-off-by: Russell King --- diff --git a/arch/arm/Kconfig b/arch/arm/Kconfig index 0fb17bbb86bc..665ce173e664 100644 --- a/arch/arm/Kconfig +++ b/arch/arm/Kconfig @@ -205,6 +205,7 @@ config ARCH_IMX config ARCH_IOP32X bool "IOP32x-based" depends on MMU + select PLAT_IOP select PCI help Support for Intel's 80219 and IOP32X (XScale) family of @@ -213,6 +214,7 @@ config ARCH_IOP32X config ARCH_IOP33X bool "IOP33x-based" depends on MMU + select PLAT_IOP select PCI help Support for Intel's IOP33X (XScale) family of processors. @@ -362,6 +364,9 @@ source "arch/arm/mach-netx/Kconfig" config ARCH_ACORN bool +config PLAT_IOP + bool + source arch/arm/mm/Kconfig # bool 'Use XScale PMU as timer source' CONFIG_XSCALE_PMU_TIMER diff --git a/arch/arm/Makefile b/arch/arm/Makefile index ac786bf0f546..80cee786500c 100644 --- a/arch/arm/Makefile +++ b/arch/arm/Makefile @@ -158,6 +158,7 @@ core-$(CONFIG_FPE_FASTFPE) += $(FASTFPE_OBJ) core-$(CONFIG_VFP) += arch/arm/vfp/ # If we have a common platform directory, then include it in the build. +core-$(CONFIG_PLAT_IOP) += arch/arm/plat-iop/ core-$(CONFIG_ARCH_OMAP) += arch/arm/plat-omap/ drivers-$(CONFIG_OPROFILE) += arch/arm/oprofile/ diff --git a/arch/arm/mach-iop32x/iq31244-mm.c b/arch/arm/mach-iop32x/iq31244-mm.c index ffc6692c95ad..fba22d5d908f 100644 --- a/arch/arm/mach-iop32x/iq31244-mm.c +++ b/arch/arm/mach-iop32x/iq31244-mm.c @@ -21,6 +21,7 @@ #include #include +#include /* @@ -39,7 +40,7 @@ static struct map_desc iq31244_io_desc[] __initdata = { void __init iq31244_map_io(void) { - iop321_map_io(); + iop3xx_map_io(); iotable_init(iq31244_io_desc, ARRAY_SIZE(iq31244_io_desc)); } diff --git a/arch/arm/mach-iop32x/iq80321-mm.c b/arch/arm/mach-iop32x/iq80321-mm.c index 5f702a7ff622..b6a3079ad29e 100644 --- a/arch/arm/mach-iop32x/iq80321-mm.c +++ b/arch/arm/mach-iop32x/iq80321-mm.c @@ -21,6 +21,7 @@ #include #include +#include /* @@ -39,7 +40,7 @@ static struct map_desc iq80321_io_desc[] __initdata = { void __init iq80321_map_io(void) { - iop321_map_io(); + iop3xx_map_io(); iotable_init(iq80321_io_desc, ARRAY_SIZE(iq80321_io_desc)); } diff --git a/arch/arm/mach-iop32x/setup.c b/arch/arm/mach-iop32x/setup.c index 729678799271..48d806474f40 100644 --- a/arch/arm/mach-iop32x/setup.c +++ b/arch/arm/mach-iop32x/setup.c @@ -32,23 +32,6 @@ #define IOP321_UART_XTAL 1843200 -/* - * Standard IO mapping for all IOP321 based systems - */ -static struct map_desc iop321_std_desc[] __initdata = { - { /* mem mapped registers */ - .virtual = IOP321_VIRT_MEM_BASE, - .pfn = __phys_to_pfn(IOP321_PHYS_MEM_BASE), - .length = 0x00002000, - .type = MT_DEVICE - }, { /* PCI IO space */ - .virtual = IOP321_PCI_LOWER_IO_VA, - .pfn = __phys_to_pfn(IOP321_PCI_LOWER_IO_PA), - .length = IOP321_PCI_IO_WINDOW_SIZE, - .type = MT_DEVICE - } -}; - #ifdef CONFIG_ARCH_IQ80321 #define UARTBASE IQ80321_UART #define IRQ_UART IRQ_IQ80321_UART @@ -126,11 +109,6 @@ void __init iop32x_init(void) platform_add_devices(iop32x_devices, ARRAY_SIZE(iop32x_devices)); } -} - -void __init iop321_map_io(void) -{ - iotable_init(iop321_std_desc, ARRAY_SIZE(iop321_std_desc)); early_serial_setup(&iop321_serial_ports[0]); } diff --git a/arch/arm/mach-iop33x/Makefile b/arch/arm/mach-iop33x/Makefile index 0f1a8fffe187..7865923b0a60 100644 --- a/arch/arm/mach-iop33x/Makefile +++ b/arch/arm/mach-iop33x/Makefile @@ -7,5 +7,5 @@ obj-m := obj-n := obj- := -obj-$(CONFIG_ARCH_IQ80331) += iq80331-mm.o iq80331-pci.o -obj-$(CONFIG_MACH_IQ80332) += iq80332-mm.o iq80332-pci.o +obj-$(CONFIG_ARCH_IQ80331) += iq80331-pci.o +obj-$(CONFIG_MACH_IQ80332) += iq80332-pci.o diff --git a/arch/arm/mach-iop33x/iq80331-mm.c b/arch/arm/mach-iop33x/iq80331-mm.c deleted file mode 100644 index eb59445a0fca..000000000000 --- a/arch/arm/mach-iop33x/iq80331-mm.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * linux/arch/arm/mach-iop33x/iq80331-mm.c - * - * Low level memory initialization for iq80331 platform - * - * Author: Dave Jiang - * Copyright (C) 2003 Intel Corp. - * - * 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. - * - */ - -#include -#include - -#include -#include -#include - -#include - - -/* - * IQ80331 specific IO mappings - * - * We use RedBoot's setup for the onboard devices. - */ - -void __init iq80331_map_io(void) -{ - iop331_map_io(); -} diff --git a/arch/arm/mach-iop33x/iq80332-mm.c b/arch/arm/mach-iop33x/iq80332-mm.c deleted file mode 100644 index f7bc73113ea8..000000000000 --- a/arch/arm/mach-iop33x/iq80332-mm.c +++ /dev/null @@ -1,35 +0,0 @@ -/* - * linux/arch/arm/mach-iop33x/iq80332-mm.c - * - * Low level memory initialization for iq80332 platform - * - * Author: Dave Jiang - * Copyright (C) 2004 Intel Corp. - * - * 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. - * - */ - -#include -#include - -#include -#include -#include - -#include - - -/* - * IQ80332 specific IO mappings - * - * We use RedBoot's setup for the onboard devices. - */ - -void __init iq80332_map_io(void) -{ - iop331_map_io(); -} diff --git a/arch/arm/mach-iop33x/setup.c b/arch/arm/mach-iop33x/setup.c index c14c7da5ec4c..67cb21cb0ad9 100644 --- a/arch/arm/mach-iop33x/setup.c +++ b/arch/arm/mach-iop33x/setup.c @@ -28,26 +28,10 @@ #include #include #include +#include #define IOP331_UART_XTAL 33334000 -/* - * Standard IO mapping for all IOP331 based systems - */ -static struct map_desc iop331_std_desc[] __initdata = { - { /* mem mapped registers */ - .virtual = IOP331_VIRT_MEM_BASE, - .pfn = __phys_to_pfn(IOP331_PHYS_MEM_BASE), - .length = 0x00002000, - .type = MT_DEVICE - }, { /* PCI IO space */ - .virtual = IOP331_PCI_LOWER_IO_VA, - .pfn = __phys_to_pfn(IOP331_PCI_LOWER_IO_PA), - .length = IOP331_PCI_IO_WINDOW_SIZE, - .type = MT_DEVICE - } -}; - static struct resource iop33x_uart0_resources[] = { [0] = { .start = IOP331_UART0_PHYS, @@ -172,30 +156,17 @@ void __init iop33x_init(void) } } -void __init iop331_map_io(void) -{ - iotable_init(iop331_std_desc, ARRAY_SIZE(iop331_std_desc)); -} - #ifdef CONFIG_ARCH_IOP33X extern void iop331_init_irq(void); extern struct sys_timer iop331_timer; #endif -#ifdef CONFIG_ARCH_IQ80331 -extern void iq80331_map_io(void); -#endif - -#ifdef CONFIG_MACH_IQ80332 -extern void iq80332_map_io(void); -#endif - #if defined(CONFIG_ARCH_IQ80331) MACHINE_START(IQ80331, "Intel IQ80331") /* Maintainer: Intel Corp. */ .phys_io = 0xfefff000, .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical - .map_io = iq80331_map_io, + .map_io = iop3xx_map_io, .init_irq = iop331_init_irq, .timer = &iop331_timer, .boot_params = 0x0100, @@ -207,7 +178,7 @@ MACHINE_START(IQ80332, "Intel IQ80332") /* Maintainer: Intel Corp. */ .phys_io = 0xfefff000, .io_pg_offst = ((0xfffff000) >> 18) & 0xfffc, // virtual, physical - .map_io = iq80332_map_io, + .map_io = iop3xx_map_io, .init_irq = iop331_init_irq, .timer = &iop331_timer, .boot_params = 0x0100, diff --git a/arch/arm/plat-iop/Makefile b/arch/arm/plat-iop/Makefile new file mode 100644 index 000000000000..b299103537c5 --- /dev/null +++ b/arch/arm/plat-iop/Makefile @@ -0,0 +1,8 @@ +# +# Makefile for the linux kernel. +# + +obj-y := setup.o +obj-m := +obj-n := +obj- := diff --git a/arch/arm/plat-iop/setup.c b/arch/arm/plat-iop/setup.c new file mode 100644 index 000000000000..4689db638e95 --- /dev/null +++ b/arch/arm/plat-iop/setup.c @@ -0,0 +1,38 @@ +/* + * arch/arm/plat-iop/setup.c + * + * Author: Nicolas Pitre + * Copyright (C) 2001 MontaVista Software, Inc. + * Copyright (C) 2004 Intel Corporation. + * + * 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 +#include +#include +#include + +/* + * Standard IO mapping for all IOP3xx based systems + */ +static struct map_desc iop3xx_std_desc[] __initdata = { + { /* mem mapped registers */ + .virtual = IOP3XX_PERIPHERAL_VIRT_BASE, + .pfn = __phys_to_pfn(IOP3XX_PERIPHERAL_PHYS_BASE), + .length = IOP3XX_PERIPHERAL_SIZE, + .type = MT_DEVICE, + }, { /* PCI IO space */ + .virtual = IOP3XX_PCI_LOWER_IO_VA, + .pfn = __phys_to_pfn(IOP3XX_PCI_LOWER_IO_PA), + .length = IOP3XX_PCI_IO_WINDOW_SIZE, + .type = MT_DEVICE, + }, +}; + +void __init iop3xx_map_io(void) +{ + iotable_init(iop3xx_std_desc, ARRAY_SIZE(iop3xx_std_desc)); +} diff --git a/include/asm-arm/arch-iop32x/iop321.h b/include/asm-arm/arch-iop32x/iop321.h index 7ba93faf8da4..307272b07809 100644 --- a/include/asm-arm/arch-iop32x/iop321.h +++ b/include/asm-arm/arch-iop32x/iop321.h @@ -333,7 +333,6 @@ #ifndef __ASSEMBLY__ -extern void iop321_map_io(void); extern void iop321_init_irq(void); extern void iop321_time_init(void); #endif diff --git a/include/asm-arm/arch-iop33x/iop331.h b/include/asm-arm/arch-iop33x/iop331.h index 780b707edb1e..21430f877ea7 100644 --- a/include/asm-arm/arch-iop33x/iop331.h +++ b/include/asm-arm/arch-iop33x/iop331.h @@ -350,7 +350,6 @@ #ifndef __ASSEMBLY__ -extern void iop331_map_io(void); extern void iop331_init_irq(void); extern void iop331_time_init(void); #endif diff --git a/include/asm-arm/hardware/iop3xx.h b/include/asm-arm/hardware/iop3xx.h new file mode 100644 index 000000000000..c17cc19cdfab --- /dev/null +++ b/include/asm-arm/hardware/iop3xx.h @@ -0,0 +1,43 @@ +/* + * include/asm-arm/hardware/iop3xx.h + * + * Intel IOP32X and IOP33X register definitions + * + * Author: Rory Bolt + * Copyright (C) 2002 Rory Bolt + * Copyright (C) 2004 Intel Corp. + * + * 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 __IOP3XX_H +#define __IOP3XX_H + +/* + * IOP3XX processor registers + */ +#define IOP3XX_PERIPHERAL_PHYS_BASE 0xffffe000 +#define IOP3XX_PERIPHERAL_VIRT_BASE 0xfeffe000 +#define IOP3XX_PERIPHERAL_SIZE 0x00002000 +#define IOP3XX_REG_ADDR(reg) (IOP3XX_PERIPHERAL_VIRT_BASE + (reg)) + + +/* + * IOP3XX I/O and Mem space regions for PCI autoconfiguration + */ +#define IOP3XX_PCI_MEM_WINDOW_SIZE 0x04000000 +#define IOP3XX_PCI_LOWER_MEM_PA 0x80000000 + +#define IOP3XX_PCI_IO_WINDOW_SIZE 0x00010000 +#define IOP3XX_PCI_LOWER_IO_PA 0x90000000 +#define IOP3XX_PCI_LOWER_IO_VA 0xfe000000 + + +#ifndef __ASSEMBLY__ +void iop3xx_map_io(void); +#endif + + +#endif