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Pali Rohár c06597ff11 pci: mpc85xx: Do not access PCI BARs registers of BDF address 00:00.0 
At BDF address 00:00.0 is fictional device which PCI configuration header
is for configuring mpc85xx PCI controller itself. PCI config space of this
device has ATMU inbound registers on position of PCI BARs. Trying to do PCI
auto configuration of this device cause rewriting ATMU inbound registers.
To avoid it, do not allow overwriting registers at BARs positions. And
because this device does not have any PCI memory, return zeros when trying
to read PCI BARs config space registers. It signals to auto configuration
tool to not allocate any PCI memory for this device.

This information is taken from MPC8544E Reference Manual, sections
17.3.1.3, 17.3.1.1.1, 17.3.2 and 17.3.2.11. Available at NXP website:
https://www.nxp.com/docs/en/reference-manual/MPC8544ERM.pdf

Signed-off-by: Pali Rohár <pali@kernel.org>
Reviewed-by: Heiko Schocher <hs@denx.de>
Tested-by: Heiko Schocher <hs@denx.de>
2023-05-01 18:59:33 -04:00
..
adc adc: stm32mp15: add calibration support 2023-01-12 16:25:51 +01:00
ata ata: pci: enable bus mastering 2023-04-25 15:31:28 -04:00
axi WS cleanup: remove trailing empty lines 2021-09-30 08:08:56 -04:00
bios_emulator video: Rename structs and functions to avoid VBE 2022-08-12 08:14:23 -04:00
block sandbox: fix return type of os_filesize() 2023-04-28 11:30:17 -06:00
bootcount global: Move remaining CONFIG_SYS_* to CFG_SYS_* 2022-12-05 16:06:08 -05:00
bus bus: Optionally include TI sysc driver in SPL/TPL 2022-12-02 08:39:00 -05:00
button dm: button: add support for linux_code in button-gpio.c driver 2023-02-10 12:50:01 -05:00
cache cache: starfive: Add StarFive JH7110 support 2023-04-20 16:08:44 +08:00
clk Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sunxi 2023-04-30 21:29:50 -04:00
core core: fdtaddr: use map_sysmem() as cast for the return 2023-04-28 11:52:30 -06:00
cpu event: Correct dependencies on the EVENT framework 2023-01-18 12:46:13 -05:00
crypto Correct SPL uses of HW_WATCHDOG 2023-02-10 07:41:39 -05:00
ddr ddr: marvell: a38x: Perform DDR training sequence again for 2nd boot 2023-04-13 11:34:47 +02:00
demo demo: migrate uclass to livetree 2021-10-05 08:50:15 -04:00
dfu blk: Switch over to using uclass IDs 2022-09-16 11:05:16 -04:00
dma dma: ti: k3-udma: Fix channel hang on teardown 2023-03-22 12:51:15 -04:00
fastboot drivers: fastboot: zImage flashing is not supported for v3, v4 2023-04-04 14:50:47 -04:00
firmware firmware: psci: enable DM_FLAG_PRE_RELOC 2023-04-25 15:31:28 -04:00
fpga fpga: zynqmppl: fix fpga loads command for unencrypted use case 2023-03-09 13:15:00 +01:00
fuzz sandbox: Implement fuzzing engine driver 2022-06-23 12:58:19 -04:00
fwu-mdata FWU: Add FWU metadata access driver for GPT partitioned block devices 2022-10-31 14:47:32 -04:00
gpio Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-sunxi 2023-04-30 21:29:50 -04:00
hwspinlock treewide: invaild -> invalid 2022-01-13 07:57:49 -05:00
i2c i2c: fsl_i2c: fix m68k transferts 2023-04-11 06:51:56 +02:00
input input: button_kbd: make driver complementary to gpio buttons 2023-03-30 15:09:59 -04:00
iommu iommu: Implement mapping IOMMUs for PCI devices 2023-01-27 14:47:58 -05:00
led led: led_pwm: typo 'iverted' on code comment 2022-11-02 13:58:17 -04:00
mailbox mailbox: zynqmp: Enable ipi mailbox driver for Versal NET 2022-09-26 14:23:29 +02:00
memory memory: atmel-ebi: add Atmel EBI (External Bus Interface) driver 2022-12-08 18:06:27 +02:00
mfd mfd: syscon: atmel-smc: Add new helpers to ease SMC regs manipulation 2022-12-08 18:06:27 +02:00
misc rockchip: otp: fix misc_read() return values 2023-04-21 15:16:01 +08:00
mmc mmc: rockchip_sdhci: Limit number of blocks read in a single command 2023-04-21 15:55:29 +08:00
mtd Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-spi 2023-05-01 13:29:52 -04:00
mux Correct SPL uses of MULTIPLEXER 2023-03-02 17:45:58 -05:00
net net: rswitch: Add Renesas Ethernet Switch 2023-04-16 16:18:29 +02:00
nvme bootstd: Add a new pre-scan priority for bootdevs 2023-01-23 18:11:41 -05:00
pch treewide: Simply conditions with the new OF_REAL 2021-09-25 09:46:15 -06:00
pci pci: mpc85xx: Do not access PCI BARs registers of BDF address 00:00.0 2023-05-01 18:59:33 -04:00
pci_endpoint dm: define LOG_CATEGORY for all uclass 2021-07-06 10:38:03 -06:00
phy phy: sun4i-usb: Do not drive VBUS with external VBUS present 2023-04-28 01:30:40 +01:00
pinctrl pinctrl: sunxi: Add NAND pinmuxes 2023-04-28 01:06:57 +01:00
power power: regulator: Add a driver for the AXP USB power supply 2023-04-28 01:29:40 +01:00
pwm ARM: tegra: Fix Tegra PWM parent clock 2023-02-23 12:55:36 -07:00
qe global: Finish CONFIG -> CFG migration 2023-01-20 12:27:24 -05:00
ram arm: mach-k3: Remove empty sys_proto.h include 2023-04-24 13:18:48 -04:00
reboot-mode reboot-mode: Add NVMEM reboot mode 2023-01-11 11:54:50 -05:00
remoteproc remoteproc: ti_k3_arm64: Change the startup of arm64 core 2023-04-24 13:18:48 -04:00
reset reset: starfive: jh7110: Add reset driver for StarFive JH7110 SoC 2023-04-20 16:08:44 +08:00
rng rockchip: rng: add trngv1 for rk3588 2023-04-21 15:16:01 +08:00
rtc drivers: rtc: add max313xx series rtc driver 2023-03-30 15:09:59 -04:00
scsi scsi: typo supporedt 2023-04-01 10:11:50 +02:00
serial Merge branch 'master_sh/gen4/initial' of https://source.denx.de/u-boot/custodians/u-boot-sh 2023-04-07 15:55:50 -04:00
smem smem: msm: add missing <linux/sizes.h> 2022-10-12 08:56:24 -04:00
soc soc: soc_ti_k3: fix revision array bounds checks 2023-04-25 15:31:27 -04:00
sound test: test sandbox sound driver more rigorously 2022-12-05 17:43:21 +01:00
spi Merge branch 'master' of https://source.denx.de/u-boot/custodians/u-boot-spi 2023-05-01 13:29:52 -04:00
spmi spmi: msm: add arbiter version 5 support 2021-10-31 08:46:44 -04:00
sysinfo sysinfo: gpio: fix loop over DT "revisions" array 2023-03-30 15:09:59 -04:00
sysreset sandbox: mark sandbox_exit() as no return. 2023-04-28 11:30:17 -06:00
tee drivers: tee: sandbox: Fix SCP03 control emulator 2023-04-28 11:30:17 -06:00
thermal thermal: add sandbox driver 2022-10-11 16:03:03 -04:00
timer Merge branch 'master' into next 2023-03-27 15:19:57 -04:00
tpm tpm: sandbox: Change the return code when device is already open 2023-02-28 09:44:25 +02:00
ufs global: Finish CONFIG -> CFG migration 2023-01-20 12:27:24 -05:00
usb sandbox: fix sandbox_hub_submit_control_msg() 2023-04-28 11:30:17 -06:00
video rockchip: video: Add support for RK3568 DSI Host 2023-04-21 15:16:01 +08:00
virtio virtio: Ensure PCI is set up first 2023-04-26 08:43:04 -04:00
w1 dm: treewide: Do not use the return value of simple uclass iterator 2022-10-29 07:36:33 -06:00
w1-eeprom dm: define LOG_CATEGORY for all uclass 2021-07-06 10:38:03 -06:00
watchdog Merge branch 'for-2023.07' of https://source.denx.de/u-boot/custodians/u-boot-mpc8xx 2023-04-29 09:29:41 -04:00
xen xen: Limit execution to EL1 only 2023-04-25 15:31:28 -04:00
Kconfig mfd: syscon: atmel-smc: Add new helpers to ease SMC regs manipulation 2022-12-08 18:06:27 +02:00
Makefile Correct SPL uses of MULTIPLEXER 2023-03-02 17:45:58 -05:00