Commit d3b7ff14 authored by Simon Glass's avatar Simon Glass
Browse files

dm: pci: Add driver model tests for PCI



Add some basic tests to check that things work as expected with sandbox.
Signed-off-by: default avatarSimon Glass <sjg@chromium.org>
parent aad78d27
......@@ -21,4 +21,5 @@ obj-$(CONFIG_DM_GPIO) += gpio.o
obj-$(CONFIG_DM_SPI) += spi.o
obj-$(CONFIG_DM_SPI_FLASH) += sf.o
obj-$(CONFIG_DM_I2C) += i2c.o
obj-$(CONFIG_DM_PCI) += pci.o
endif
/*
* Copyright (C) 2015 Google, Inc
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <asm/io.h>
#include <dm/test.h>
#include <dm/ut.h>
/* Test that sandbox PCI works correctly */
static int dm_test_pci_base(struct dm_test_state *dms)
{
struct udevice *bus;
ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
return 0;
}
DM_TEST(dm_test_pci_base, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
/* Test that we can use the swapcase device correctly */
static int dm_test_pci_swapcase(struct dm_test_state *dms)
{
pci_dev_t pci_dev = PCI_BDF(0, 0x1f, 0);
struct pci_controller *hose;
struct udevice *bus, *swap;
ulong io_addr, mem_addr;
char *ptr;
/* Check that asking for the device automatically fires up PCI */
ut_assertok(uclass_get_device(UCLASS_PCI_EMUL, 0, &swap));
ut_assertok(uclass_get_device(UCLASS_PCI, 0, &bus));
hose = dev_get_uclass_priv(bus);
/* First test I/O */
io_addr = pci_read_bar32(hose, pci_dev, 0);
outb(2, io_addr);
ut_asserteq(2, inb(io_addr));
/*
* Now test memory mapping - note we must unmap and remap to cause
* the swapcase emulation to see our data and response.
*/
mem_addr = pci_read_bar32(hose, pci_dev, 1);
ptr = map_sysmem(mem_addr, 20);
strcpy(ptr, "This is a TesT");
unmap_sysmem(ptr);
ptr = map_sysmem(mem_addr, 20);
ut_asserteq_str("tHIS IS A tESt", ptr);
unmap_sysmem(ptr);
return 0;
}
DM_TEST(dm_test_pci_swapcase, DM_TESTF_SCAN_PDATA | DM_TESTF_SCAN_FDT);
......@@ -10,6 +10,7 @@
console = &uart0;
i2c0 = "/i2c@0";
spi0 = "/spi@0";
pci0 = &pci;
testfdt6 = "/e-test";
testbus3 = "/some-bus";
testfdt0 = "/some-bus/c-test@0";
......@@ -135,6 +136,22 @@
};
};
pci: pci-controller {
compatible = "sandbox,pci";
device_type = "pci";
#address-cells = <3>;
#size-cells = <2>;
ranges = <0x02000000 0 0x10000000 0x10000000 0 0x2000
0x01000000 0 0x20000000 0x20000000 0 0x2000>;
pci@1f,0 {
compatible = "pci-generic";
reg = <0xf800 0 0 0 0>;
emul@1f,0 {
compatible = "sandbox,swap-case";
};
};
};
spi@0 {
#address-cells = <1>;
#size-cells = <0>;
......
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