2007-04-06 12:19:43 -06:00
|
|
|
/*
|
|
|
|
* (C) Copyright 2007
|
|
|
|
* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
|
|
|
|
*
|
2013-07-08 01:37:19 -06:00
|
|
|
* SPDX-License-Identifier: GPL-2.0+
|
2007-04-06 12:19:43 -06:00
|
|
|
*/
|
|
|
|
|
|
|
|
#ifndef __FDT_SUPPORT_H
|
|
|
|
#define __FDT_SUPPORT_H
|
|
|
|
|
|
|
|
#ifdef CONFIG_OF_LIBFDT
|
|
|
|
|
2013-02-07 17:49:54 -07:00
|
|
|
#include <libfdt.h>
|
2007-04-06 12:19:43 -06:00
|
|
|
|
2014-04-11 09:09:40 -06:00
|
|
|
u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
|
|
|
|
const char *prop, const u32 dflt);
|
2011-11-08 02:09:44 -07:00
|
|
|
u32 fdt_getprop_u32_default(const void *fdt, const char *path,
|
|
|
|
const char *prop, const u32 dflt);
|
2015-05-24 04:01:53 -06:00
|
|
|
|
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2015-05-21 03:27:03 -06:00
|
|
|
int fdt_root(void *fdt);
|
2015-05-24 04:01:53 -06:00
|
|
|
|
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2014-04-18 02:41:00 -06:00
|
|
|
int fdt_chosen(void *fdt);
|
2015-05-24 04:01:53 -06:00
|
|
|
|
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2014-04-18 02:40:59 -06:00
|
|
|
int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
|
2015-05-24 04:01:53 -06:00
|
|
|
|
2007-11-03 18:46:28 -06:00
|
|
|
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);
|
2011-08-30 20:36:32 -06:00
|
|
|
|
|
|
|
static inline void do_fixup_by_path_string(void *fdt, const char *path,
|
|
|
|
const char *prop, const char *status)
|
|
|
|
{
|
|
|
|
do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
|
|
|
|
}
|
|
|
|
|
2007-11-21 12:30:15 -07:00
|
|
|
void do_fixup_by_prop(void *fdt,
|
|
|
|
const char *pname, const void *pval, int plen,
|
|
|
|
const char *prop, const void *val, int len,
|
|
|
|
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);
|
|
|
|
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);
|
2015-06-20 17:29:54 -06:00
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2007-11-26 13:57:45 -07:00
|
|
|
int fdt_fixup_memory(void *blob, u64 start, u64 size);
|
2015-06-20 17:29:54 -06:00
|
|
|
|
|
|
|
/**
|
|
|
|
* 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
|
|
|
|
*/
|
2010-10-13 13:57:33 -06:00
|
|
|
int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
|
2015-06-20 17:29:54 -06:00
|
|
|
|
2008-08-19 14:41:18 -06:00
|
|
|
void fdt_fixup_ethernet(void *fdt);
|
2007-12-28 03:56:30 -07:00
|
|
|
int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
|
|
|
|
const void *val, int len, int create);
|
2008-01-07 12:31:19 -07:00
|
|
|
void fdt_fixup_qe_firmware(void *fdt);
|
2007-04-06 12:19:43 -06:00
|
|
|
|
2015-04-08 12:45:39 -06:00
|
|
|
/**
|
|
|
|
* 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);
|
|
|
|
|
2016-04-05 03:11:21 -06:00
|
|
|
#if defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL)
|
2008-03-14 14:20:18 -06:00
|
|
|
void fdt_fixup_dr_usb(void *blob, bd_t *bd);
|
|
|
|
#else
|
|
|
|
static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
|
2016-04-05 03:11:21 -06:00
|
|
|
#endif /* defined(CONFIG_USB_EHCI_FSL) || defined(CONFIG_USB_XHCI_FSL) */
|
2008-03-14 14:20:18 -06:00
|
|
|
|
2010-06-01 11:24:27 -06:00
|
|
|
#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
|
2008-06-16 14:55:53 -06:00
|
|
|
void fdt_fixup_crypto_node(void *blob, int sec_rev);
|
|
|
|
#else
|
|
|
|
static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
|
|
|
|
#endif
|
|
|
|
|
2008-10-22 22:33:56 -06:00
|
|
|
#ifdef CONFIG_PCI
|
|
|
|
#include <pci.h>
|
|
|
|
int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
|
|
|
|
#endif
|
|
|
|
|
2014-10-23 18:58:49 -06:00
|
|
|
int fdt_find_or_add_subnode(void *fdt, int parentoffset, const char *name);
|
|
|
|
|
2014-10-23 18:58:47 -06:00
|
|
|
/**
|
|
|
|
* Add board-specific data to the FDT before booting the OS.
|
|
|
|
*
|
|
|
|
* Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
|
2014-10-23 18:58:53 -06:00
|
|
|
* This function is called if CONFIG_OF_BOARD_SETUP is defined
|
2014-10-23 18:58:47 -06:00
|
|
|
*
|
|
|
|
* @param blob FDT blob to update
|
|
|
|
* @param bd_t Pointer to board data
|
|
|
|
* @return 0 if ok, or -FDT_ERR_... on error
|
|
|
|
*/
|
|
|
|
int ft_board_setup(void *blob, bd_t *bd);
|
|
|
|
|
2014-04-04 11:16:47 -06:00
|
|
|
/*
|
|
|
|
* The keystone2 SOC requires all 32 bit aliased addresses to be converted
|
|
|
|
* to their 36 physical format. This has to happen after all fdt nodes
|
|
|
|
* are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
|
|
|
|
* called at the end of the image_setup_libfdt() is to do that convertion.
|
|
|
|
*/
|
|
|
|
void ft_board_setup_ex(void *blob, bd_t *bd);
|
2007-07-10 18:40:39 -06:00
|
|
|
void ft_cpu_setup(void *blob, bd_t *bd);
|
|
|
|
void ft_pci_setup(void *blob, bd_t *bd);
|
|
|
|
|
2014-10-23 18:58:54 -06:00
|
|
|
/**
|
|
|
|
* Add system-specific data to the FDT before booting the OS.
|
|
|
|
*
|
|
|
|
* Use CONFIG_SYS_FDT_PAD to ensure there is sufficient space.
|
|
|
|
* This function is called if CONFIG_OF_SYSTEM_SETUP is defined
|
|
|
|
*
|
|
|
|
* @param blob FDT blob to update
|
|
|
|
* @param bd_t Pointer to board data
|
|
|
|
* @return 0 if ok, or -FDT_ERR_... on error
|
|
|
|
*/
|
|
|
|
int ft_system_setup(void *blob, bd_t *bd);
|
|
|
|
|
2015-02-04 20:56:53 -07:00
|
|
|
void set_working_fdt_addr(ulong addr);
|
2014-07-30 03:59:02 -06:00
|
|
|
int fdt_shrink_to_minimum(void *blob);
|
2011-05-03 12:35:10 -06:00
|
|
|
int fdt_increase_size(void *fdt, int add_len);
|
2008-08-15 07:24:39 -06:00
|
|
|
|
2010-09-16 06:01:53 -06:00
|
|
|
int fdt_fixup_nor_flash_size(void *blob);
|
2009-10-21 03:59:52 -06:00
|
|
|
|
2010-03-16 10:10:05 -06:00
|
|
|
void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
|
2010-03-30 09:19:26 -06:00
|
|
|
void fdt_del_node_and_alias(void *blob, const char *alias);
|
2013-01-16 07:00:11 -07:00
|
|
|
u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
|
2010-07-04 11:48:21 -06:00
|
|
|
int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
|
|
|
|
phys_addr_t compat_off);
|
2010-07-09 15:18:58 -06:00
|
|
|
int fdt_alloc_phandle(void *blob);
|
2011-07-31 23:23:23 -06:00
|
|
|
int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
|
2011-09-20 17:24:34 -06:00
|
|
|
unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
|
2010-08-18 03:25:20 -06:00
|
|
|
int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
|
2010-03-16 10:10:05 -06:00
|
|
|
|
2011-05-03 12:24:07 -06:00
|
|
|
int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
|
|
|
|
u64 addr);
|
|
|
|
u64 fdt_get_base_address(void *fdt, int node);
|
2014-04-11 09:09:41 -06:00
|
|
|
int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
|
|
|
|
uint64_t *addr, uint64_t *len);
|
2011-05-03 12:24:07 -06:00
|
|
|
|
2011-10-14 02:26:05 -06:00
|
|
|
enum fdt_status {
|
|
|
|
FDT_STATUS_OKAY,
|
|
|
|
FDT_STATUS_DISABLED,
|
|
|
|
FDT_STATUS_FAIL,
|
|
|
|
FDT_STATUS_FAIL_ERROR_CODE,
|
|
|
|
};
|
|
|
|
int fdt_set_node_status(void *fdt, int nodeoffset,
|
|
|
|
enum fdt_status status, unsigned int error_code);
|
|
|
|
static inline int fdt_status_okay(void *fdt, int nodeoffset)
|
|
|
|
{
|
|
|
|
return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
|
|
|
|
}
|
|
|
|
static inline int fdt_status_disabled(void *fdt, int nodeoffset)
|
|
|
|
{
|
|
|
|
return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
|
|
|
|
}
|
2014-06-23 16:15:55 -06:00
|
|
|
static inline int fdt_status_fail(void *fdt, int nodeoffset)
|
|
|
|
{
|
|
|
|
return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
|
|
|
|
}
|
2011-10-14 02:26:05 -06:00
|
|
|
|
2014-06-23 16:15:55 -06:00
|
|
|
int fdt_set_status_by_alias(void *fdt, const char *alias,
|
2011-10-14 02:26:05 -06:00
|
|
|
enum fdt_status status, unsigned int error_code);
|
2014-06-23 16:15:55 -06:00
|
|
|
static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
|
2011-10-14 02:26:05 -06:00
|
|
|
{
|
|
|
|
return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
|
|
|
|
}
|
2014-06-23 16:15:55 -06:00
|
|
|
static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
|
2011-10-14 02:26:05 -06:00
|
|
|
{
|
|
|
|
return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
|
|
|
|
}
|
2014-06-23 16:15:55 -06:00
|
|
|
static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
|
|
|
|
{
|
|
|
|
return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
|
|
|
|
}
|
2011-10-14 02:26:05 -06:00
|
|
|
|
2014-09-08 13:19:58 -06:00
|
|
|
/* Helper to read a big number; size is in cells (not bytes) */
|
|
|
|
static inline u64 of_read_number(const fdt32_t *cell, int size)
|
|
|
|
{
|
|
|
|
u64 r = 0;
|
|
|
|
while (size--)
|
|
|
|
r = (r << 32) | fdt32_to_cpu(*(cell++));
|
|
|
|
return r;
|
|
|
|
}
|
|
|
|
|
2014-09-08 13:19:59 -06:00
|
|
|
void of_bus_default_count_cells(void *blob, int parentoffset,
|
|
|
|
int *addrc, int *sizec);
|
2014-10-08 14:58:02 -06:00
|
|
|
int ft_verify_fdt(void *fdt);
|
|
|
|
int arch_fixup_memory_node(void *blob);
|
2014-09-08 13:19:59 -06:00
|
|
|
|
2014-11-17 07:29:11 -07:00
|
|
|
int fdt_setup_simplefb_node(void *fdt, int node, u64 base_address, u32 width,
|
|
|
|
u32 height, u32 stride, const char *format);
|
|
|
|
|
2007-04-06 12:19:43 -06:00
|
|
|
#endif /* ifdef CONFIG_OF_LIBFDT */
|
2014-03-03 04:19:30 -07:00
|
|
|
|
|
|
|
#ifdef USE_HOSTCC
|
|
|
|
int fdtdec_get_int(const void *blob, int node, const char *prop_name,
|
|
|
|
int default_val);
|
|
|
|
#endif
|
2007-04-06 12:19:43 -06:00
|
|
|
#endif /* ifndef __FDT_SUPPORT_H */
|