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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-07 18:49:45 +0000 |
commit | 2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch) | |
tree | 848558de17fb3008cdf4d861b01ac7781903ce39 /arch/arm/mach-footbridge/isa.c | |
parent | Initial commit. (diff) | |
download | linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip |
Adding upstream version 6.1.76.upstream/6.1.76upstream
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/arm/mach-footbridge/isa.c')
-rw-r--r-- | arch/arm/mach-footbridge/isa.c | 94 |
1 files changed, 94 insertions, 0 deletions
diff --git a/arch/arm/mach-footbridge/isa.c b/arch/arm/mach-footbridge/isa.c new file mode 100644 index 000000000..84caccddc --- /dev/null +++ b/arch/arm/mach-footbridge/isa.c @@ -0,0 +1,94 @@ +// SPDX-License-Identifier: GPL-2.0-only +/* + * linux/arch/arm/mach-footbridge/isa.c + * + * Copyright (C) 2004 Russell King. + */ +#include <linux/init.h> +#include <linux/serial_8250.h> + +#include <asm/irq.h> +#include <asm/hardware/dec21285.h> + +#include "common.h" + +static struct resource rtc_resources[] = { + [0] = { + .start = 0x70, + .end = 0x73, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = IRQ_ISA_RTC_ALARM, + .end = IRQ_ISA_RTC_ALARM, + .flags = IORESOURCE_IRQ, + } +}; + +static struct platform_device rtc_device = { + .name = "rtc_cmos", + .id = -1, + .resource = rtc_resources, + .num_resources = ARRAY_SIZE(rtc_resources), +}; + +static struct resource serial_resources[] = { + [0] = { + .start = 0x3f8, + .end = 0x3ff, + .flags = IORESOURCE_IO, + }, + [1] = { + .start = 0x2f8, + .end = 0x2ff, + .flags = IORESOURCE_IO, + }, +}; + +static struct plat_serial8250_port serial_platform_data[] = { + { + .iobase = 0x3f8, + .irq = IRQ_ISA_UART, + .uartclk = 1843200, + .regshift = 0, + .iotype = UPIO_PORT, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + }, + { + .iobase = 0x2f8, + .irq = IRQ_ISA_UART2, + .uartclk = 1843200, + .regshift = 0, + .iotype = UPIO_PORT, + .flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST, + }, + { }, +}; + +static struct platform_device serial_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = serial_platform_data, + }, + .resource = serial_resources, + .num_resources = ARRAY_SIZE(serial_resources), +}; + +static int __init footbridge_isa_init(void) +{ + int err = 0; + + /* Personal server doesn't have RTC */ + isa_rtc_init(); + err = platform_device_register(&rtc_device); + if (err) + printk(KERN_ERR "Unable to register RTC device: %d\n", err); + + err = platform_device_register(&serial_device); + if (err) + printk(KERN_ERR "Unable to register serial device: %d\n", err); + return 0; +} + +arch_initcall(footbridge_isa_init); |