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| author | Simon Glass <sjg@chromium.org> | 2019-09-25 08:56:42 -0600 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2019-10-08 13:57:48 +0800 |
| commit | 75d8f49481a5c260d0cf1024d41f0b29d57e0efe (patch) | |
| tree | f434a546d0cc97e9cad48f59e54902d1307fad24 /drivers/pci | |
| parent | 594d272cfd3dc43f118efb952676715b0382af24 (diff) | |
| download | u-boot-75d8f49481a5c260d0cf1024d41f0b29d57e0efe.tar.gz u-boot-75d8f49481a5c260d0cf1024d41f0b29d57e0efe.tar.bz2 u-boot-75d8f49481a5c260d0cf1024d41f0b29d57e0efe.zip | |
sandbox: pci: Create a new sandbox_pci_read_bar() function
The code in swapcase can be used by other sandbox drivers. Move it into a
common place to allow this.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Tested-by: Bin Meng <bmeng.cn@gmail.com>
[bmeng: remove inclusion of <asm/test.h> in pci_sandbox.c]
Signed-off-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'drivers/pci')
| -rw-r--r-- | drivers/pci/pci-emul-uclass.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/drivers/pci/pci-emul-uclass.c b/drivers/pci/pci-emul-uclass.c index fd87b3ea4e..0dcf937d9a 100644 --- a/drivers/pci/pci-emul-uclass.c +++ b/drivers/pci/pci-emul-uclass.c @@ -42,6 +42,26 @@ int sandbox_pci_get_emul(struct udevice *bus, pci_dev_t find_devfn, return *emulp ? 0 : -ENODEV; } +uint sandbox_pci_read_bar(u32 barval, int type, uint size) +{ + u32 result; + + result = barval; + if (result == 0xffffffff) { + if (type == PCI_BASE_ADDRESS_SPACE_IO) { + result = (~(size - 1) & + PCI_BASE_ADDRESS_IO_MASK) | + PCI_BASE_ADDRESS_SPACE_IO; + } else { + result = (~(size - 1) & + PCI_BASE_ADDRESS_MEM_MASK) | + PCI_BASE_ADDRESS_MEM_TYPE_32; + } + } + + return result; +} + static int sandbox_pci_emul_post_probe(struct udevice *dev) { struct sandbox_pci_emul_priv *priv = dev->uclass->priv; |