X-Git-Url: https://git.sur5r.net/?a=blobdiff_plain;f=lib%2Ffdtdec.c;h=ac1fe0be20dc2915038b67318f15d88746e354e1;hb=ec7023db8dc95966919589541f1ca09355a3f7a5;hp=2d60c8aaafe679316efec9c07012a1a20bbd3490;hpb=332ab0d54aaa5b8b27096996d10c8c6183c6972c;p=u-boot

diff --git a/lib/fdtdec.c b/lib/fdtdec.c
index 2d60c8aaaf..ac1fe0be20 100644
--- a/lib/fdtdec.c
+++ b/lib/fdtdec.c
@@ -37,12 +37,35 @@ DECLARE_GLOBAL_DATA_PTR;
 static const char * const compat_names[COMPAT_COUNT] = {
 	COMPAT(UNKNOWN, "<none>"),
 	COMPAT(NVIDIA_TEGRA20_USB, "nvidia,tegra20-ehci"),
+	COMPAT(NVIDIA_TEGRA114_I2C, "nvidia,tegra114-i2c"),
 	COMPAT(NVIDIA_TEGRA20_I2C, "nvidia,tegra20-i2c"),
 	COMPAT(NVIDIA_TEGRA20_DVC, "nvidia,tegra20-i2c-dvc"),
 	COMPAT(NVIDIA_TEGRA20_EMC, "nvidia,tegra20-emc"),
 	COMPAT(NVIDIA_TEGRA20_EMC_TABLE, "nvidia,tegra20-emc-table"),
 	COMPAT(NVIDIA_TEGRA20_KBC, "nvidia,tegra20-kbc"),
 	COMPAT(NVIDIA_TEGRA20_NAND, "nvidia,tegra20-nand"),
+	COMPAT(NVIDIA_TEGRA20_PWM, "nvidia,tegra20-pwm"),
+	COMPAT(NVIDIA_TEGRA20_DC, "nvidia,tegra20-dc"),
+	COMPAT(NVIDIA_TEGRA30_SDMMC, "nvidia,tegra30-sdhci"),
+	COMPAT(NVIDIA_TEGRA20_SDMMC, "nvidia,tegra20-sdhci"),
+	COMPAT(NVIDIA_TEGRA20_SFLASH, "nvidia,tegra20-sflash"),
+	COMPAT(NVIDIA_TEGRA20_SLINK, "nvidia,tegra20-slink"),
+	COMPAT(NVIDIA_TEGRA114_SPI, "nvidia,tegra114-spi"),
+	COMPAT(SMSC_LAN9215, "smsc,lan9215"),
+	COMPAT(SAMSUNG_EXYNOS5_SROMC, "samsung,exynos-sromc"),
+	COMPAT(SAMSUNG_S3C2440_I2C, "samsung,s3c2440-i2c"),
+	COMPAT(SAMSUNG_EXYNOS5_SOUND, "samsung,exynos-sound"),
+	COMPAT(WOLFSON_WM8994_CODEC, "wolfson,wm8994-codec"),
+	COMPAT(SAMSUNG_EXYNOS_SPI, "samsung,exynos-spi"),
+	COMPAT(SAMSUNG_EXYNOS_EHCI, "samsung,exynos-ehci"),
+	COMPAT(SAMSUNG_EXYNOS_USB_PHY, "samsung,exynos-usb-phy"),
+	COMPAT(SAMSUNG_EXYNOS_TMU, "samsung,exynos-tmu"),
+	COMPAT(SAMSUNG_EXYNOS_FIMD, "samsung,exynos-fimd"),
+	COMPAT(SAMSUNG_EXYNOS5_DP, "samsung,exynos5-dp"),
+	COMPAT(MAXIM_MAX77686_PMIC, "maxim,max77686_pmic"),
+	COMPAT(GENERIC_SPI_FLASH, "spi-flash"),
+	COMPAT(MAXIM_98095_CODEC, "maxim,max98095-codec"),
+	COMPAT(INFINEON_SLB9635_TPM, "infineon,slb9635-tpm"),
 };
 
 const char *fdtdec_get_compatible(enum fdt_compat_id id)
@@ -52,47 +75,40 @@ const char *fdtdec_get_compatible(enum fdt_compat_id id)
 	return compat_names[id];
 }
 
-/**
- * Look in the FDT for an alias with the given name and return its node.
- *
- * @param blob	FDT blob
- * @param name	alias name to look up
- * @return node offset if found, or an error code < 0 otherwise
- */
-static int find_alias_node(const void *blob, const char *name)
-{
-	const char *path;
-	int alias_node;
-
-	debug("find_alias_node: %s\n", name);
-	alias_node = fdt_path_offset(blob, "/aliases");
-	if (alias_node < 0)
-		return alias_node;
-	path = fdt_getprop(blob, alias_node, name, NULL);
-	if (!path)
-		return -FDT_ERR_NOTFOUND;
-	return fdt_path_offset(blob, path);
-}
-
-fdt_addr_t fdtdec_get_addr(const void *blob, int node,
-		const char *prop_name)
+fdt_addr_t fdtdec_get_addr_size(const void *blob, int node,
+		const char *prop_name, fdt_size_t *sizep)
 {
 	const fdt_addr_t *cell;
 	int len;
 
 	debug("%s: %s: ", __func__, prop_name);
 	cell = fdt_getprop(blob, node, prop_name, &len);
-	if (cell && (len == sizeof(fdt_addr_t) ||
-			len == sizeof(fdt_addr_t) * 2)) {
+	if (cell && ((!sizep && len == sizeof(fdt_addr_t)) ||
+		     len == sizeof(fdt_addr_t) * 2)) {
 		fdt_addr_t addr = fdt_addr_to_cpu(*cell);
-
-		debug("%p\n", (void *)addr);
+		if (sizep) {
+			const fdt_size_t *size;
+
+			size = (fdt_size_t *)((char *)cell +
+					sizeof(fdt_addr_t));
+			*sizep = fdt_size_to_cpu(*size);
+			debug("addr=%p, size=%p\n", (void *)addr,
+			      (void *)*sizep);
+		} else {
+			debug("%p\n", (void *)addr);
+		}
 		return addr;
 	}
 	debug("(not found)\n");
 	return FDT_ADDR_T_NONE;
 }
 
+fdt_addr_t fdtdec_get_addr(const void *blob, int node,
+		const char *prop_name)
+{
+	return fdtdec_get_addr_size(blob, node, prop_name, NULL);
+}
+
 s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
 		s32 default_val)
 {
@@ -111,6 +127,19 @@ s32 fdtdec_get_int(const void *blob, int node, const char *prop_name,
 	return default_val;
 }
 
+uint64_t fdtdec_get_uint64(const void *blob, int node, const char *prop_name,
+		uint64_t default_val)
+{
+	const uint64_t *cell64;
+	int length;
+
+	cell64 = fdt_getprop(blob, node, prop_name, &length);
+	if (!cell64 || length < sizeof(*cell64))
+		return default_val;
+
+	return fdt64_to_cpu(*cell64);
+}
+
 int fdtdec_get_is_enabled(const void *blob, int node)
 {
 	const char *cell;
@@ -128,7 +157,7 @@ int fdtdec_get_is_enabled(const void *blob, int node)
 	return 1;
 }
 
-enum fdt_compat_id fd_dec_lookup(const void *blob, int node)
+enum fdt_compat_id fdtdec_lookup(const void *blob, int node)
 {
 	enum fdt_compat_id id;
 
@@ -171,7 +200,7 @@ int fdtdec_next_alias(const void *blob, const char *name,
 	/* snprintf() is not available */
 	assert(strlen(name) < MAX_STR_LEN);
 	sprintf(str, "%.*s%d", MAX_STR_LEN, name, *upto);
-	node = find_alias_node(blob, str);
+	node = fdt_path_offset(blob, str);
 	if (node < 0)
 		return node;
 	err = fdt_node_check_compatible(blob, node, compat_names[id]);
@@ -325,10 +354,11 @@ int fdtdec_check_fdt(void)
  */
 int fdtdec_prepare_fdt(void)
 {
-	if (((uintptr_t)gd->fdt_blob & 3) || fdt_check_header(gd->fdt_blob)) {
+	if (!gd->fdt_blob || ((uintptr_t)gd->fdt_blob & 3) ||
+	    fdt_check_header(gd->fdt_blob)) {
 		printf("No valid FDT found - please append one to U-Boot "
 			"binary, use u-boot-dtb.bin or define "
-			"CONFIG_OF_EMBED\n");
+			"CONFIG_OF_EMBED. For sandbox, use -d <file.dtb>\n");
 		return -1;
 	}
 	return 0;
@@ -426,9 +456,8 @@ int fdtdec_get_bool(const void *blob, int node, const char *prop_name)
  * @return number of GPIOs read if ok, -FDT_ERR_BADLAYOUT if max_count would
  * be exceeded, or -FDT_ERR_NOTFOUND if the property is missing.
  */
-static int fdtdec_decode_gpios(const void *blob, int node,
-		const char *prop_name, struct fdt_gpio_state *gpio,
-		int max_count)
+int fdtdec_decode_gpios(const void *blob, int node, const char *prop_name,
+		struct fdt_gpio_state *gpio, int max_count)
 {
 	const struct fdt_property *prop;
 	const u32 *cell;
@@ -475,6 +504,26 @@ int fdtdec_decode_gpio(const void *blob, int node, const char *prop_name,
 	return err == 1 ? 0 : err;
 }
 
+int fdtdec_get_gpio(struct fdt_gpio_state *gpio)
+{
+	int val;
+
+	if (!fdt_gpio_isvalid(gpio))
+		return -1;
+
+	val = gpio_get_value(gpio->gpio);
+	return gpio->flags & FDT_GPIO_ACTIVE_LOW ? val ^ 1 : val;
+}
+
+int fdtdec_set_gpio(struct fdt_gpio_state *gpio, int val)
+{
+	if (!fdt_gpio_isvalid(gpio))
+		return -1;
+
+	val = gpio->flags & FDT_GPIO_ACTIVE_LOW ? val ^ 1 : val;
+	return gpio_set_value(gpio->gpio, val);
+}
+
 int fdtdec_setup_gpio(struct fdt_gpio_state *gpio)
 {
 	/*
@@ -525,6 +574,20 @@ int fdtdec_get_config_int(const void *blob, const char *prop_name,
 	return fdtdec_get_int(blob, config_node, prop_name, default_val);
 }
 
+int fdtdec_get_config_bool(const void *blob, const char *prop_name)
+{
+	int config_node;
+	const void *prop;
+
+	debug("%s: %s\n", __func__, prop_name);
+	config_node = fdt_path_offset(blob, "/config");
+	if (config_node < 0)
+		return 0;
+	prop = fdt_get_property(blob, config_node, prop_name, NULL);
+
+	return prop != NULL;
+}
+
 char *fdtdec_get_config_string(const void *blob, const char *prop_name)
 {
 	const char *nodep;
@@ -542,3 +605,20 @@ char *fdtdec_get_config_string(const void *blob, const char *prop_name)
 
 	return (char *)nodep;
 }
+
+int fdtdec_decode_region(const void *blob, int node,
+		const char *prop_name, void **ptrp, size_t *size)
+{
+	const fdt_addr_t *cell;
+	int len;
+
+	debug("%s: %s\n", __func__, prop_name);
+	cell = fdt_getprop(blob, node, prop_name, &len);
+	if (!cell || (len != sizeof(fdt_addr_t) * 2))
+		return -1;
+
+	*ptrp = (void *)fdt_addr_to_cpu(*cell);
+	*size = fdt_size_to_cpu(cell[1]);
+	debug("%s: size=%zx\n", __func__, *size);
+	return 0;
+}