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| author | Mark Brown <broonie@kernel.org> | 2026-05-29 17:40:49 +0100 |
|---|---|---|
| committer | Mark Brown <broonie@kernel.org> | 2026-05-29 17:40:49 +0100 |
| commit | 4673dcfb46cbad8a4e2b5a68321c81079413aca4 (patch) | |
| tree | 90fdc8abf4546cdba31b3139dd58b7d93421477f /arch | |
| parent | 0215293fe17787a4c24de6be7ac198581fbb6fdc (diff) | |
| parent | e4240d8845445d58b4b96f7066adfe175a61bd0c (diff) | |
| download | linux-next-history-4673dcfb46cbad8a4e2b5a68321c81079413aca4.tar.gz | |
Merge branch 'tty-linus' of https://git.kernel.org/pub/scm/linux/kernel/git/gregkh/tty.git
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/mips/dec/platform.c | 109 |
1 files changed, 108 insertions, 1 deletions
diff --git a/arch/mips/dec/platform.c b/arch/mips/dec/platform.c index c4fcb8c58e01c..723ce16cbfc0c 100644 --- a/arch/mips/dec/platform.c +++ b/arch/mips/dec/platform.c @@ -10,6 +10,14 @@ #include <linux/mc146818rtc.h> #include <linux/platform_device.h> +#include <asm/bootinfo.h> + +#include <asm/dec/interrupts.h> +#include <asm/dec/ioasic_addrs.h> +#include <asm/dec/kn01.h> +#include <asm/dec/kn02.h> +#include <asm/dec/system.h> + static struct resource dec_rtc_resources[] = { { .name = "rtc", @@ -30,11 +38,110 @@ static struct platform_device dec_rtc_device = { .num_resources = ARRAY_SIZE(dec_rtc_resources), }; +static struct resource dec_dz_resources[] = { + { .name = "dz", .flags = IORESOURCE_MEM, }, + { .name = "dz", .flags = IORESOURCE_IRQ, }, +}; + +static struct platform_device dec_dz_device = { + .name = "dz", + .id = PLATFORM_DEVID_NONE, + .resource = dec_dz_resources, + .num_resources = ARRAY_SIZE(dec_dz_resources), +}; + +static struct platform_device *dec_dz_devices[] __initdata = { + &dec_dz_device, +}; + +static struct resource dec_zs_resources[][2] = { + { + { .name = "scc0", .flags = IORESOURCE_MEM, }, + { .name = "scc0", .flags = IORESOURCE_IRQ, }, + }, + { + { .name = "scc1", .flags = IORESOURCE_MEM, }, + { .name = "scc1", .flags = IORESOURCE_IRQ, }, + }, +}; + +static struct platform_device dec_zs_device[] = { + { + .name = "zs", + .id = 0, + .resource = dec_zs_resources[0], + .num_resources = ARRAY_SIZE(dec_zs_resources[0]), + }, + { + .name = "zs", + .id = 1, + .resource = dec_zs_resources[1], + .num_resources = ARRAY_SIZE(dec_zs_resources[1]), + }, +}; + static int __init dec_add_devices(void) { + struct platform_device *dec_zs_devices[ARRAY_SIZE(dec_zs_device)]; + int ret1, ret2, ret3; + int num_dz, num_zs; + int irq, i; + dec_rtc_resources[0].start = RTC_PORT(0); dec_rtc_resources[0].end = RTC_PORT(0) + dec_kn_slot_size - 1; - return platform_device_register(&dec_rtc_device); + + i = 0; + irq = dec_interrupt[DEC_IRQ_DZ11]; + if (IS_ENABLED(CONFIG_32BIT) && irq >= 0) { + resource_size_t base; + + switch (mips_machtype) { + case MACH_DS23100: + case MACH_DS5100: + base = dec_kn_slot_base + KN01_DZ11; + break; + default: + base = dec_kn_slot_base + KN02_DZ11; + break; + } + dec_dz_device.resource[0].start = base; + dec_dz_device.resource[0].end = base + dec_kn_slot_size - 1; + dec_dz_device.resource[1].start = irq; + dec_dz_device.resource[1].end = irq; + i++; + } + num_dz = i; + + i = 0; + irq = dec_interrupt[DEC_IRQ_SCC0]; + if (irq >= 0) { + resource_size_t base = dec_kn_slot_base + IOASIC_SCC0; + + dec_zs_device[i].resource[0].start = base; + dec_zs_device[i].resource[0].end = base + dec_kn_slot_size - 1; + dec_zs_device[i].resource[1].start = irq; + dec_zs_device[i].resource[1].end = irq; + dec_zs_devices[i] = &dec_zs_device[i]; + i++; + } + irq = dec_interrupt[DEC_IRQ_SCC1]; + if (irq >= 0) { + resource_size_t base = dec_kn_slot_base + IOASIC_SCC1; + + dec_zs_device[i].resource[0].start = base; + dec_zs_device[i].resource[0].end = base + dec_kn_slot_size - 1; + dec_zs_device[i].resource[1].start = irq; + dec_zs_device[i].resource[1].end = irq; + dec_zs_devices[i] = &dec_zs_device[i]; + i++; + } + num_zs = i; + + ret1 = platform_device_register(&dec_rtc_device); + ret2 = IS_ENABLED(CONFIG_32BIT) ? + platform_add_devices(dec_dz_devices, num_dz) : 0; + ret3 = platform_add_devices(dec_zs_devices, num_zs); + return ret1 ? ret1 : ret2 ? ret2 : ret3; } device_initcall(dec_add_devices); |