Messages in this thread | | | Date | Sat, 8 Jul 2023 15:06:13 -0700 | Subject | Re: [PATCH] sh: Avoid using IRQ0 on SH3 and SH4 | From | Guenter Roeck <> |
| |
On 7/8/23 13:52, Sergey Shtylyov wrote: > On 7/6/23 7:38 PM, John Paul Adrian Glaubitz wrote: > [...] > >>> Which sh4 platforms in particular? >>> >>> I booted a kernel with this patch on rts7751r2d (QEMU) and landisk >>> (physical) two days ago. >> >> I gave it a try with the command line Guenter suggested and indeed the kernel locks >> up right here with the patch applied and boots fine without it: >> >> Creating 4 MTD partitions on "physmap-flash": >> 0x000000000000-0x000000040000 : "U-Boot" >> 0x000000040000-0x000000080000 : "Environment" >> 0x000000080000-0x000000240000 : "Kernel" >> 0x000000240000-0x000001000000 : "Flash_FS" >> 8139too: 8139too Fast Ethernet driver 0.9.28 >> 8139too 0000:00:01.0: This (id 10ec:8139 rev 20) is an enhanced 8139C+ chip, use 8139cp >> sm501-usb sm501-usb: SM501 OHCI >> sm501-usb sm501-usb: new USB bus registered, assigned bus number 1 >> sm501-usb sm501-usb: irq 116, io mem 0x13e40000 > > I guess it was irq 100 before my patch. What if you undo the following > part of my patch? >
No, that doesn't help.
Guenter
> Index: linux/arch/sh/include/mach-common/mach/r2d.h > =================================================================== > --- linux.orig/arch/sh/include/mach-common/mach/r2d.h > +++ linux/arch/sh/include/mach-common/mach/r2d.h > @@ -47,7 +47,7 @@ > > #define IRLCNTR1 (PA_BCR + 0) /* Interrupt Control Register1 */ > > -#define R2D_FPGA_IRQ_BASE 100 > +#define R2D_FPGA_IRQ_BASE (100 + 16) > > #define IRQ_VOYAGER (R2D_FPGA_IRQ_BASE + 0) > #define IRQ_EXT (R2D_FPGA_IRQ_BASE + 1) > >> usb usb1: New USB device found, idVendor=1d6b, idProduct=0001, bcdDevice= 6.04 >> usb usb1: New USB device strings: Mfr=3, Product=2, SerialNumber=1 >> usb usb1: Product: SM501 OHCI >> usb usb1: Manufacturer: Linux 6.4.0-12069-gc17414a273b8 ohci_hcd >> usb usb1: SerialNumber: sm501-usb >> hub 1-0:1.0: USB hub found >> hub 1-0:1.0: 2 ports detected >> usbcore: registered new interface driver usb-storage >> rtc-r9701 spi0.0: cannot read RTC register >> usbcore: registered new interface driver usbhid >> usbhid: USB HID core driver >> NET: Registered PF_PACKET protocol family >> heartbeat: version 0.1.2 loaded >> ata1: found unknown device (class 0) > [...] > >> Adrian > > MBR, Sergey
| |