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authorWolfgang Denk <wd@denx.de>2012-03-30 18:09:08 +0200
committerWolfgang Denk <wd@denx.de>2012-03-30 18:09:08 +0200
commitbc6f6c87b685bcdcd5bef522982d15209b6b9601 (patch)
treee5f924a962f002a1015e157a54450dfa9b953e9e /lib/fdtdec_test.c
parentf2ea62474b4da9fc41735cbc1fe8491b247e0930 (diff)
parent4a0764858b0bdcb3508f01b96e3fa32b16cdb30f (diff)
Merge branch 'master' of git://git.denx.de/u-boot-arm
* 'master' of git://git.denx.de/u-boot-arm: (146 commits) arm: Use common .lds file where possible arm: add a common .lds link script arm: Remove unneeded setting of LDCSRIPT Define CPUDIR for the .lds link script arm: Remove zipitz2 link script Allow arch directory to contain .lds without requiring Makefile OMAP: Remove omap1610inn-based boards arch/arm/cpu/armv7/omap-common/clocks-common.c: Fix build warnings board/ti/beagle/beagle.c: Fix build warnings sdrc.c: Fix typo in do_sdrc_init() for SPL tegra: i2c: Add I2C driver tegra: fdt: i2c: Add extra I2C bindings for U-Boot tegra: i2c: Select I2C ordering for Seaboard tegra: i2c: Enable I2C on Seaboard tegra: i2c: Select number of controllers for Tegra2 boards tegra: i2c: Initialise I2C on Nvidia boards tegra: Enhance clock support to handle 16-bit clock divisors fdt: Add function to allow aliases to refer to multiple nodes tegra: Rename NV_PA_PMC_BASE to TEGRA2_PMC_BASE tegra: fdt: Enable FDT support for Ventana tegra: fdt: Enable FDT support for Seaboard tegra: usb: Enable USB on Seaboard tegra: usb: Add common USB defines for tegra2 boards tegra: usb: Add USB support to nvidia boards arm: Check for valid FDT after console is up fdt: Avoid early panic() when there is no FDT present tegra: usb: Add support for Tegra USB peripheral tegra: fdt: Add function to return peripheral/clock ID usb: Add support for txfifo threshold tegra: usb: fdt: Add USB definitions for Tegra2 Seaboard tegra: usb: fdt: Add additional device tree definitions for USB ports tegra: fdt: Add clock bindings for Tegra2 Seaboard tegra: fdt: Add clock bindings tegra: fdt: Add additional USB binding fdt: Add tegra-usb bindings file from linux fdt: Add staging area for device tree binding documentation tegra: fdt: Add device tree file for Tegra2 Seaboard from kernel tegra: fdt: Add Tegra2x device tree file from kernel arm: fdt: Add skeleton device tree file from kernel fdt: Add basic support for decoding GPIO definitions fdt: Add functions to access phandles, arrays and bools fdt: Tidy up a few fdtdec problems fdt: Add tests for fdtdec fdt: Add fdtdec_find_aliases() to deal with alias nodes arm: Tegra2: Fix ELDK42 gcc failure with inline asm stack pointer load net: fec_mxc: allow use with cache enabled net: force PKTALIGN to ARCH_DMA_MINALIGN i.MX28: Enable caches by default i.MX28: Make use of the bounce buffer i.MX28: Do data transfers via DMA in MMC driver MMC: Implement generic bounce buffer i.MX28: Add cache support to MXS NAND driver i.MX28: Add cache support into the APBH DMA driver ARM926EJS: Implement cache operations board/vpac270/onenand.c: Fix build errors nhk8815: fix build errors atmel-boards: add missing atmel_mci.h ARM: highbank: setup env from boot source register ARM: highbank: change env config to use nvram ARM: highbank: add reset support ARM: highbank: Add boot counter support ARM: highbank: change TEXT_BASE to 0x8000 ARM: highbank: fix us_to_tick calculation ARM: highbank: add missing get_tbclk ARM: highbank: fix warning for calxedaxgmac_initialize net: calxedaxgmac: fix build due to missing __aligned definition EXYNOS: Add structure for Exynos4 DMC EXYNOS: SMDK5250: Support all 4 UARTs ARM: fix s3c2410 timer code ARM: davinci: fixes for cam_enc_4xx board omap3_spi: receive transmit mode calimain, enbw_cmc: Fix typo in comments Davinci: ea20: use gpio framework to access gpios OMAP3: mt_ventoux: sets its own mtdparts OMAP3: mt_ventoux: updated timing for FPGA twl4030: fix potential power supply handling issues NAND: TI: fix warnings in omap_gpmc.c cam_enc_4xx: Rename 'images' to 'imgs' arm: Add Prep subcommand support to bootm OMAP3: twister: add support to boot Linux from SPL SPL: call cleanup_before_linux() before booting Linux OMAP3: SPL: do not call I2C init if no I2C is set. Add cache functions to SPL for armv7 devkit8000: Implement and activate direct OS boot omap/spl: change output of spl_parse_image_header omap-common/spl: Add linux boot to SPL devkit8000/spl: init GPMC for dm9000 in SPL omap-common: Add NAND SPL linux booting devkit8000: add config for spl command Add cmd_spl command mx53ard: Initialize return code with error mx53: Make PLL2 to be the parent of UART clock configs: imx: Use CONFIG_SF_DEFAULT_CS mx28evk: Provide default values for SPI bus and chip select USB: ehci-mx6: Add proper IO accessors mx6: Read silicon revision from register i.MX28: Drop __naked function from spl_mem_init mxs_spi: Return proper timeout error i.MX28: Make the stabilization delays shorter pmic_i2c: Return error in case of invalid pmic_i2c_tx_num mx6: Remove duplicate definition of ANATOP_BASE_ADDR mx6: Fix reset cause for Power On Reset case i.MX6: mx6qsabrelite: add MACH_TYPE_MX6Q_SABRELITE i.MX6: mx6q_sabrelite: add CONFIG_REVISION_TAG i.MX28: Enable additional DRAM address bits mx6q: mx6qsabrelite: setup_spi() should be called in board_init to allow use for environment mx31: add "ARM11P power gating" to get_reset_cause mx31pdk: Fix CONFIG_SYS_MEMTEST_END efikamx: Fix CONFIG_SYS_MEMTEST_END mx53smd: Fix CONFIG_SYS_MEMTEST_END mx53evk: Fix CONFIG_SYS_MEMTEST_END mx51evk: Fix CONFIG_SYS_MEMTEST_END i.MX6: mx6qsabrelite: add ext2 support imximage: Remove overwriting of flash_offset IXP: Fix GPIO_INT_ACT_LOW_SET() IXP: Fix NAND build warning on PDNB3 and SCPU IXP: Move PDNB3 and SCPU from Makefile to boards.cfg IXP: Squash warnings in IXP NPE IXP: Fix missing MACH_TYPE_{ACTUX?,PNB3,DVLHOST} IXP: Make IXP buildable with arm-linux- toolchains Examples: Properly append LDFLAGS to LD command SPL: Enable YMODEM support on BeagleBone and AM335x EVM SPL: Add YMODEM over UART load support SPL: Add README.omap3 README: document more SPL config options spl.c: Use __noreturn decorator config.mk: Check for -fstack-usage support config.mk: Make cc-option create a file under include/generated ...
Diffstat (limited to 'lib/fdtdec_test.c')
-rw-r--r--lib/fdtdec_test.c226
1 files changed, 226 insertions, 0 deletions
diff --git a/lib/fdtdec_test.c b/lib/fdtdec_test.c
new file mode 100644
index 0000000000..497be8e3fe
--- /dev/null
+++ b/lib/fdtdec_test.c
@@ -0,0 +1,226 @@
+/*
+ * Some very basic tests for fdtdec, accessed through test_fdtdec command.
+ * They are easiest to use with sandbox.
+ *
+ * Copyright (c) 2011 The Chromium OS Authors.
+ * See file CREDITS for list of people who contributed to this
+ * project.
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License as
+ * published by the Free Software Foundation; either version 2 of
+ * the License, or (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
+ * MA 02111-1307 USA
+ */
+
+#include <common.h>
+#include <fdtdec.h>
+#include <libfdt.h>
+#include <malloc.h>
+#include <os.h>
+
+/* The size of our test fdt blob */
+#define FDT_SIZE (16 * 1024)
+
+/**
+ * Check if an operation failed, and if so, print an error
+ *
+ * @param oper_name Name of operation
+ * @param err Error code to check
+ *
+ * @return 0 if ok, -1 if there was an error
+ */
+static int fdt_checkerr(const char *oper_name, int err)
+{
+ if (err) {
+ printf("%s: %s: %s\n", __func__, oper_name, fdt_strerror(err));
+ return -1;
+ }
+
+ return 0;
+}
+
+/**
+ * Check the result of an operation and if incorrect, print an error
+ *
+ * @param oper_name Name of operation
+ * @param expected Expected value
+ * @param value Actual value
+ *
+ * @return 0 if ok, -1 if there was an error
+ */
+static int checkval(const char *oper_name, int expected, int value)
+{
+ if (expected != value) {
+ printf("%s: %s: expected %d, but returned %d\n", __func__,
+ oper_name, expected, value);
+ return -1;
+ }
+
+ return 0;
+}
+
+#define CHECK(op) if (fdt_checkerr(#op, op)) return -1
+#define CHECKVAL(op, expected) \
+ if (checkval(#op, expected, op)) \
+ return -1
+#define CHECKOK(op) CHECKVAL(op, 0)
+
+/* maximum number of nodes / aliases to generate */
+#define MAX_NODES 20
+
+/*
+ * Make a test fdt
+ *
+ * @param fdt Device tree pointer
+ * @param size Size of device tree blob
+ * @param aliases Specifies alias assignments. Format is a list of items
+ * separated by space. Items are #a where
+ * # is the alias number
+ * a is the node to point to
+ * @param nodes Specifies nodes to generate (a=0, b=1), upper case
+ * means to create a disabled node
+ */
+static int make_fdt(void *fdt, int size, const char *aliases,
+ const char *nodes)
+{
+ char name[20], value[20];
+ const char *s;
+ int fd;
+
+ CHECK(fdt_create(fdt, size));
+ CHECK(fdt_finish_reservemap(fdt));
+ CHECK(fdt_begin_node(fdt, ""));
+
+ CHECK(fdt_begin_node(fdt, "aliases"));
+ for (s = aliases; *s;) {
+ sprintf(name, "i2c%c", *s);
+ sprintf(value, "/i2c%d@0", s[1] - 'a');
+ CHECK(fdt_property_string(fdt, name, value));
+ s += 2 + (s[2] != '\0');
+ }
+ CHECK(fdt_end_node(fdt));
+
+ for (s = nodes; *s; s++) {
+ sprintf(value, "i2c%d@0", (*s & 0xdf) - 'A');
+ CHECK(fdt_begin_node(fdt, value));
+ CHECK(fdt_property_string(fdt, "compatible",
+ fdtdec_get_compatible(COMPAT_UNKNOWN)));
+ if (*s <= 'Z')
+ CHECK(fdt_property_string(fdt, "status", "disabled"));
+ CHECK(fdt_end_node(fdt));
+ }
+
+ CHECK(fdt_end_node(fdt));
+ CHECK(fdt_finish(fdt));
+ CHECK(fdt_pack(fdt));
+#if defined(DEBUG) && defined(CONFIG_SANDBOX)
+ fd = os_open("/tmp/fdtdec-text.dtb", OS_O_CREAT | OS_O_WRONLY);
+ if (fd == -1) {
+ printf("Could not open .dtb file to write\n");
+ return -1;
+ }
+ os_write(fd, fdt, size);
+ os_close(fd);
+#endif
+ return 0;
+}
+
+static int run_test(const char *aliases, const char *nodes, const char *expect)
+{
+ int list[MAX_NODES];
+ const char *s;
+ void *blob;
+ int i;
+
+ blob = malloc(FDT_SIZE);
+ if (!blob) {
+ printf("%s: out of memory\n", __func__);
+ return 1;
+ }
+
+ printf("aliases=%s, nodes=%s, expect=%s: ", aliases, nodes, expect);
+ CHECKVAL(make_fdt(blob, FDT_SIZE, aliases, nodes), 0);
+ CHECKVAL(fdtdec_find_aliases_for_id(blob, "i2c",
+ COMPAT_UNKNOWN,
+ list, ARRAY_SIZE(list)), strlen(expect));
+
+ /* Check we got the right ones */
+ for (i = 0, s = expect; *s; s++, i++) {
+ int want = *s;
+ const char *name;
+ int got = ' ';
+
+ name = list[i] ? fdt_get_name(blob, list[i], NULL) : NULL;
+ if (name)
+ got = name[3] + 'a' - '0';
+
+ if (got != want) {
+ printf("Position %d: Expected '%c', got '%c' ('%s')\n",
+ i, want, got, name);
+ return 1;
+ }
+ }
+
+ printf("pass\n");
+ return 0;
+}
+
+static int do_test_fdtdec(cmd_tbl_t *cmdtp, int flag, int argc,
+ char * const argv[])
+{
+ /* basic tests */
+ CHECKOK(run_test("", "", ""));
+ CHECKOK(run_test("1e 3d", "", ""));
+
+ /*
+ * 'a' represents 0, 'b' represents 1, etc.
+ * The first character is the alias number, the second is the node
+ * number. So the params mean:
+ * 0a 1b : point alias 0 to node 0 (a), alias 1 to node 1(b)
+ * ab : to create nodes 0 and 1 (a and b)
+ * ab : we expect the function to return two nodes, in
+ * the order 0, 1
+ */
+ CHECKOK(run_test("0a 1b", "ab", "ab"));
+
+ CHECKOK(run_test("0a 1c", "ab", "ab"));
+ CHECKOK(run_test("1c", "ab", "ab"));
+ CHECKOK(run_test("1b", "ab", "ab"));
+ CHECKOK(run_test("0b", "ab", "ba"));
+ CHECKOK(run_test("0b 2d", "dbc", "bcd"));
+ CHECKOK(run_test("0d 3a 1c 2b", "dbac", "dcba"));
+
+ /* things with holes */
+ CHECKOK(run_test("1b 3d", "dbc", "cb d"));
+ CHECKOK(run_test("1e 3d", "dbc", "bc d"));
+
+ /* no aliases */
+ CHECKOK(run_test("", "dbac", "dbac"));
+
+ /* disabled nodes */
+ CHECKOK(run_test("0d 3a 1c 2b", "dBac", "dc a"));
+ CHECKOK(run_test("0b 2d", "DBc", "c"));
+ CHECKOK(run_test("0b 4d 2c", "DBc", " c"));
+
+ /* conflicting aliases - first one gets it */
+ CHECKOK(run_test("2a 1a 0a", "a", " a"));
+ CHECKOK(run_test("0a 1a 2a", "a", "a"));
+
+ printf("Test passed\n");
+ return 0;
+}
+
+U_BOOT_CMD(
+ test_fdtdec, 3, 1, do_test_fdtdec,
+ "test_fdtdec",
+ "Run tests for fdtdec library");