#include <libfdt.h>
-u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
- const char *prop, const u32 dflt);
-u32 fdt_getprop_u32_default(const void *fdt, const char *path,
- const char *prop, const u32 dflt);
+uint32_t fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
+ const char *prop, const uint32_t dflt);
+uint32_t fdt_getprop_u32_default(const void *fdt, const char *path,
+ const char *prop, const uint32_t dflt);
+
+/**
+ * Add data to the root of the FDT before booting the OS.
+ *
+ * See doc/device-tree-bindings/root.txt
+ *
+ * @param fdt FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_root(void *fdt);
+
+/**
+ * Add chosen data the FDT before booting the OS.
+ *
+ * In particular, this adds the kernel command line (bootargs) to the FDT.
+ *
+ * @param fdt FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
int fdt_chosen(void *fdt);
+
+/**
+ * Add initrd information to the FDT before booting the OS.
+ *
+ * @param fdt FDT address in memory
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
+
void do_fixup_by_path(void *fdt, const char *path, const char *prop,
const void *val, int len, int create);
void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
- u32 val, int create);
+ uint32_t val, int create);
static inline void do_fixup_by_path_string(void *fdt, const char *path,
const char *prop, const char *status)
int create);
void do_fixup_by_prop_u32(void *fdt,
const char *pname, const void *pval, int plen,
- const char *prop, u32 val, int create);
+ const char *prop, uint32_t val, int create);
void do_fixup_by_compat(void *fdt, const char *compat,
const char *prop, const void *val, int len, int create);
void do_fixup_by_compat_u32(void *fdt, const char *compat,
- const char *prop, u32 val, int create);
-int fdt_fixup_memory(void *blob, u64 start, u64 size);
-int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
+ const char *prop, uint32_t val, int create);
+/**
+ * Setup the memory node in the DT. Creates one if none was existing before.
+ * Calls fdt_fixup_memory_banks() to populate a single reg pair covering the
+ * whole memory.
+ *
+ * @param blob FDT blob to update
+ * @param start Begin of DRAM mapping in physical memory
+ * @param size Size of the single memory bank
+ * @return 0 if ok, or -1 or -FDT_ERR_... on error
+ */
+int fdt_fixup_memory(void *blob, uint64_t start, uint64_t size);
+
+/**
+ * Fill the DT memory node with multiple memory banks.
+ * Creates the node if none was existing before.
+ * If banks is 0, it will not touch the existing reg property. This allows
+ * boards to not mess with the existing DT setup, which may have been
+ * filled in properly before.
+ *
+ * @param blob FDT blob to update
+ * @param start Array of size <banks> to hold the start addresses.
+ * @param size Array of size <banks> to hold the size of each region.
+ * @param banks Number of memory banks to create. If 0, the reg
+ * property will be left untouched.
+ * @return 0 if ok, or -1 or -FDT_ERR_... on error
+ */
+int fdt_fixup_memory_banks(void *blob, uint64_t start[], uint64_t size[], int banks);
+
void fdt_fixup_ethernet(void *fdt);
int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
const void *val, int len, int create);
void fdt_fixup_qe_firmware(void *fdt);
+#if defined(__UBOOT__)
+/**
+ * Update native-mode property of display-timings node to the phandle
+ * of the timings matching a display by name (case insensitive).
+ *
+ * see kernel Documentation/devicetree/bindings/video/display-timing.txt
+ *
+ * @param blob FDT blob to update
+ * @param path path within dt
+ * @param display name of display timing to match
+ * @return 0 if ok, or -FDT_ERR_... on error
+ */
+int fdt_fixup_display(void *blob, const char *path, const char *display);
+
#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
void fdt_fixup_dr_usb(void *blob, bd_t *bd);
#else
*/
int ft_system_setup(void *blob, bd_t *bd);
-void set_working_fdt_addr(void *addr);
+void set_working_fdt_addr(ulong addr);
int fdt_shrink_to_minimum(void *blob);
int fdt_increase_size(void *fdt, int add_len);
void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
void fdt_del_node_and_alias(void *blob, const char *alias);
-u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
+uint64_t fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
phys_addr_t compat_off);
int fdt_alloc_phandle(void *blob);
int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
- u64 addr);
-u64 fdt_get_base_address(void *fdt, int node);
+ uint64_t addr);
+uint64_t fdt_get_base_address(void *fdt, int node);
int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
uint64_t *addr, uint64_t *len);
+#endif /* __UBOOT__ */
enum fdt_status {
FDT_STATUS_OKAY,
}
/* Helper to read a big number; size is in cells (not bytes) */
-static inline u64 of_read_number(const fdt32_t *cell, int size)
+static inline uint64_t of_read_number(const fdt32_t *cell, int size)
{
- u64 r = 0;
- while (size--)
- r = (r << 32) | fdt32_to_cpu(*(cell++));
+ uint64_t r = 0;
+
+ while (size--) {
+ r = (r << 32) | fdt32_to_cpu(*cell);
+ cell++;
+ }
return r;
}
int ft_verify_fdt(void *fdt);
int arch_fixup_memory_node(void *blob);
-int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
- u32 height, u32 stride, const char *format);
+int fdt_setup_simplefb_node(void *fdt, int node, uint64_t base_address, uint32_t width,
+ uint32_t height, uint32_t stride, const char *format);
#endif /* ifdef CONFIG_OF_LIBFDT */
projects / karo-tx-uboot.git / blobdiff