On Friday 05 November 2021 15:07:17 Tony Dinh wrote: > > > Also, I have several Kirkwood boards (with various old BootROM > > > versions) that I can run the kwboot tests on. Will keep you posted. > > > > Ok! Do you have some Kirkwood board with PCIe slot? If yes, I would like > > to see dumps from config space of Kirkwood PCIe Root Port, see: > > https://lore.kernel.org/u-boot/20211104154921.b6zxjpczj7t6qlct@pali/ > > I have these Kirwood boards with PCI: > - No slot (host bus for USB 3.0): Pogoplug V4 (6192), Zyxel NSA325v2 > (6282). These 2 boards can be kwboot. > - Iomega iConnect (6281), with PCIe slot for Wifi card. This board > does not have kwboot booting support.
What do you mean that it 'does not have kwboot booting support'? 88F6281 is also Kirkwood and UART booting with kwboot should work. > I'll take a look at your link above and get back to you about the > config space dumps. > > By the way, I'm starting to look at the driver/pci/pci_mvebu.c to see > if it can be made to work with Kirkwood SoCs. I think there are many > differences in the addresses and memory space. I would appreciate it > if you have a general assessment whether I can use that driver for > Kirkwood. pci_mvebu.c should work with Kirkwood SoCs and also with all these 32-bit Marvell SoCs: Orion, Discovery, Kirkwood, Dove, A370, AXP, A375, A38x and A39x. According to Functional Specifications all these SoCs have common PCIe register set. If there is any issue with it, I could try to look at it.
