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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-05-06 01:02:30 +0000 |
commit | 76cb841cb886eef6b3bee341a2266c76578724ad (patch) | |
tree | f5892e5ba6cc11949952a6ce4ecbe6d516d6ce58 /arch/x86/platform/goldfish/goldfish.c | |
parent | Initial commit. (diff) | |
download | linux-76cb841cb886eef6b3bee341a2266c76578724ad.tar.xz linux-76cb841cb886eef6b3bee341a2266c76578724ad.zip |
Adding upstream version 4.19.249.upstream/4.19.249
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/x86/platform/goldfish/goldfish.c')
-rw-r--r-- | arch/x86/platform/goldfish/goldfish.c | 63 |
1 files changed, 63 insertions, 0 deletions
diff --git a/arch/x86/platform/goldfish/goldfish.c b/arch/x86/platform/goldfish/goldfish.c new file mode 100644 index 000000000..0d17c0aaf --- /dev/null +++ b/arch/x86/platform/goldfish/goldfish.c @@ -0,0 +1,63 @@ +/* + * 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 device 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 bool goldfish_enable __initdata; + +static int __init goldfish_setup(char *str) +{ + goldfish_enable = true; + return 0; +} +__setup("goldfish", goldfish_setup); + +static int __init goldfish_init(void) +{ + if (!goldfish_enable) + return -ENODEV; + + platform_device_register_simple("goldfish_pdev_bus", -1, + goldfish_pdev_bus_resources, 2); + return 0; +} +device_initcall(goldfish_init); |