diff options
author | Simon Glass <sjg@chromium.org> | 2022-09-06 20:27:09 -0600 |
---|---|---|
committer | Tom Rini <trini@konsulko.com> | 2022-09-29 16:09:56 -0400 |
commit | 9859d89b6e859a242d083a96950e0c05f60a5152 (patch) | |
tree | 2a325a1ef333f05acdf5f7016d9da33cdbb34dc5 /arch/sandbox | |
parent | 73c5cb9dacbcf2e988fffa66750c4206fccc8cbc (diff) | |
download | u-boot-9859d89b6e859a242d083a96950e0c05f60a5152.zip u-boot-9859d89b6e859a242d083a96950e0c05f60a5152.tar.gz u-boot-9859d89b6e859a242d083a96950e0c05f60a5152.tar.bz2 |
sandbox: Support loading the other FDT
We need an 'other' FDT which is different from the control FDT, so we can
check that the ofnode tests correctly handle them both.
Add this to the build along with a way to read it into the sandbox state.
Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch/sandbox')
-rw-r--r-- | arch/sandbox/cpu/state.c | 26 | ||||
-rw-r--r-- | arch/sandbox/dts/Makefile | 2 | ||||
-rw-r--r-- | arch/sandbox/dts/other.dts | 35 | ||||
-rw-r--r-- | arch/sandbox/include/asm/state.h | 16 |
4 files changed, 78 insertions, 1 deletions
diff --git a/arch/sandbox/cpu/state.c b/arch/sandbox/cpu/state.c index 787e021..fcc4a33 100644 --- a/arch/sandbox/cpu/state.c +++ b/arch/sandbox/cpu/state.c @@ -418,6 +418,32 @@ int state_get_rel_filename(const char *rel_path, char *buf, int size) return len; } +int state_load_other_fdt(const char **bufp, int *sizep) +{ + struct sandbox_state *state = state_get_current(); + char fname[256]; + int len, ret; + + /* load the file if needed */ + if (!state->other_fdt_buf) { + len = state_get_rel_filename("arch/sandbox/dts/other.dtb", + fname, sizeof(fname)); + if (len < 0) + return len; + + ret = os_read_file(fname, &state->other_fdt_buf, + &state->other_size); + if (ret) { + log_err("Cannot read file '%s'\n", fname); + return ret; + } + } + *bufp = state->other_fdt_buf; + *sizep = state->other_size; + + return 0; +} + int state_init(void) { state = &main_state; diff --git a/arch/sandbox/dts/Makefile b/arch/sandbox/dts/Makefile index 6cbc9bbc..b6a8847 100644 --- a/arch/sandbox/dts/Makefile +++ b/arch/sandbox/dts/Makefile @@ -5,7 +5,7 @@ dtb-$(CONFIG_SANDBOX) += sandbox64.dtb else dtb-$(CONFIG_SANDBOX) += sandbox.dtb endif -dtb-$(CONFIG_UT_DM) += test.dtb +dtb-$(CONFIG_UT_DM) += test.dtb other.dtb dtb-$(CONFIG_CMD_EXTENSION) += overlay0.dtbo overlay1.dtbo include $(srctree)/scripts/Makefile.dts diff --git a/arch/sandbox/dts/other.dts b/arch/sandbox/dts/other.dts new file mode 100644 index 0000000..395a792 --- /dev/null +++ b/arch/sandbox/dts/other.dts @@ -0,0 +1,35 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Other devicetree file for running sandbox tests + * + * This used for tests which want to check they can access multiple device + * trees. This one is loaded and checks are made that it is actually visible. + */ + +/dts-v1/; + +/ { + compatible = "sandbox-other"; + #address-cells = <1>; + #size-cells = <1>; + + node { + target = <&target 3 4>; + + subnode { + compatible = "sandbox-other2"; + str-prop = "other"; + }; + + subnode2 { + }; + }; + + target: target { + compatible = "sandbox-other2"; + #gpio-cells = <2>; + str-prop = "other"; + reg = <0x8000 0x100>; + status = "disabled"; + }; +}; diff --git a/arch/sandbox/include/asm/state.h b/arch/sandbox/include/asm/state.h index 12741ee..fd42daa 100644 --- a/arch/sandbox/include/asm/state.h +++ b/arch/sandbox/include/asm/state.h @@ -108,6 +108,9 @@ struct sandbox_state { bool hwspinlock; /* Hardware Spinlock status */ bool allow_memio; /* Allow readl() etc. to work */ + void *other_fdt_buf; /* 'other' FDT blob used by tests */ + int other_size; /* size of other FDT blob */ + /* * This struct is getting large. * @@ -280,6 +283,19 @@ void state_show(struct sandbox_state *state); int state_get_rel_filename(const char *rel_path, char *buf, int size); /** + * state_load_other_fdt() - load the 'other' FDT into a buffer + * + * This loads the other.dtb file into a buffer. This is typically used in tests. + * + * @bufp: Place to put allocated buffer pointer. The buffer is read using + * os_read_file() which calls os_malloc(), so does affect U-Boot's own malloc() + * space + * @sizep: Returns the size of the buffer + * @return 0 if OK, -ve on error + */ +int state_load_other_fdt(const char **bufp, int *sizep); + +/** * Initialize the test system state */ int state_init(void); |