From: Jun Nakajima <[email protected]> Based on code by Jun Nakajima but stripped of all the old x86 mach-foo stuff and turned into a single file for the Goldfish virtual bus layer.
The actual created platform device and bus enumeration is portable between the ARM and x86 Goldfish emulations. Signed-off-by: Sheng Yang <[email protected]> Signed-off-by: Yunhong Jiang <[email protected]> Signed-off-by: Xiaohui Xin <[email protected]> Signed-off-by: Jun Nakajima <[email protected]> Signed-off-by: Bruce Beare <[email protected]> [Ported to 3.7 and reorganised so that we can keep most of the code shared properly] Signed-off-by: Alan Cox <[email protected]> --- arch/x86/Kconfig | 12 ++++++++ arch/x86/platform/Makefile | 1 + arch/x86/platform/goldfish/Makefile | 1 + arch/x86/platform/goldfish/goldfish.c | 51 +++++++++++++++++++++++++++++++++ 4 files changed, 65 insertions(+) create mode 100644 arch/x86/platform/goldfish/Makefile create mode 100644 arch/x86/platform/goldfish/goldfish.c diff --git a/arch/x86/Kconfig b/arch/x86/Kconfig index 8c185d0..86859ec 100644 --- a/arch/x86/Kconfig +++ b/arch/x86/Kconfig @@ -322,6 +322,10 @@ config X86_BIGSMP ---help--- This option is needed for the systems that have more than 8 CPUs +config GOLDFISH + def_bool y + depends on X86_GOLDFISH + if X86_32 config X86_EXTENDED_PLATFORM bool "Support for extended (non-PC) x86 platforms" @@ -404,6 +408,14 @@ config X86_UV # Following is an alphabetically sorted list of 32 bit extended platforms # Please maintain the alphabetic order if and when there are additions +config X86_GOLDFISH + bool "Goldfish (Virtual Platform)" + depends on X86_32 + ---help--- + Enable support for the Goldfish virtual platform used primarily + for Android development. Unless you are building for the Android + Goldfish emulator say N here. + config X86_INTEL_CE bool "CE4100 TV platform" depends on PCI diff --git a/arch/x86/platform/Makefile b/arch/x86/platform/Makefile index 8d87439..bfe917f 100644 --- a/arch/x86/platform/Makefile +++ b/arch/x86/platform/Makefile @@ -2,6 +2,7 @@ obj-y += ce4100/ obj-y += efi/ obj-y += geode/ +obj-y += goldfish/ obj-y += iris/ obj-y += mrst/ obj-y += olpc/ diff --git a/arch/x86/platform/goldfish/Makefile b/arch/x86/platform/goldfish/Makefile new file mode 100644 index 0000000..f030b53 --- /dev/null +++ b/arch/x86/platform/goldfish/Makefile @@ -0,0 +1 @@ +obj-$(CONFIG_GOLDFISH) += goldfish.o diff --git a/arch/x86/platform/goldfish/goldfish.c b/arch/x86/platform/goldfish/goldfish.c new file mode 100644 index 0000000..9eb156a --- /dev/null +++ b/arch/x86/platform/goldfish/goldfish.c @@ -0,0 +1,51 @@ +/* + * Copyright (C) 2007 Google, Inc. + * Copyright (C) 2011 Intel, Inc. + * Copyright (C) 2013 Intel, Inc. + * + * This software is licensed under the terms of the GNU General Public + * License version 2, as published by the Free Software Foundation, and + * may be copied, distributed, and modified under those terms. + * + * 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. + * + */ + +#include <linux/kernel.h> +#include <linux/irq.h> +#include <linux/platform_device.h> + +/* + * Where in virtual memory the IO devices (timers, system controllers + * and so on) + */ + +#define GOLDFISH_PDEV_BUS_BASE (0xff001000) +#define GOLDFISH_PDEV_BUS_END (0xff7fffff) +#define GOLDFISH_PDEV_BUS_IRQ (4) + +#define GOLDFISH_TTY_BASE (0x2000) + +static struct resource goldfish_pdev_bus_resources[] = { + { + .start = GOLDFISH_PDEV_BUS_BASE, + .end = GOLDFISH_PDEV_BUS_END, + .flags = IORESOURCE_MEM, + }, + { + .start = GOLDFISH_PDEV_BUS_IRQ, + .end = GOLDFISH_PDEV_BUS_IRQ, + .flags = IORESOURCE_IRQ, + } +}; + +static int __init goldfish_init(void) +{ + platform_device_register_simple("goldfish_pdev_bus", -1, + goldfish_pdev_bus_resources, 2); + return 0; +} +device_initcall(goldfish_init); -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to [email protected] More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
