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author | Wolfgang Denk <wd@denx.de> | 2012-03-30 18:09:08 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2012-03-30 18:09:08 +0200 |
commit | bc6f6c87b685bcdcd5bef522982d15209b6b9601 (patch) | |
tree | e5f924a962f002a1015e157a54450dfa9b953e9e /lib/fdtdec_test.c | |
parent | f2ea62474b4da9fc41735cbc1fe8491b247e0930 (diff) | |
parent | 4a0764858b0bdcb3508f01b96e3fa32b16cdb30f (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.c | 226 |
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"); |