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https://github.com/brain-hackers/u-boot-brain
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![J. German Rivera](/assets/img/avatar_default.png)
Adding support to load and start the Layerscape Management Complex (MC) firmware. First, the MC GCR register is set to 0 to reset all cores. MC firmware and DPL images are copied from their location in NOR flash to DDR. MC registers are updated with the location of these images. Deasserting the reset bit of MC GCR register releases core 0 to run. Core 1 will be released by MC firmware. Stop bits are not touched for this step. U-boot waits for MC until it boots up. In case of a failure, device tree is updated accordingly. The MC firmware image uses FIT format. Signed-off-by: J. German Rivera <German.Rivera@freescale.com> Signed-off-by: York Sun <yorksun@freescale.com> Signed-off-by: Lijun Pan <Lijun.Pan@freescale.com> Signed-off-by: Shruti Kanetkar <Shruti@Freescale.com>
143 lines
5.0 KiB
C
143 lines
5.0 KiB
C
/*
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* (C) Copyright 2007
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* Gerald Van Baren, Custom IDEAS, vanbaren@cideas.com
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef __FDT_SUPPORT_H
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#define __FDT_SUPPORT_H
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#ifdef CONFIG_OF_LIBFDT
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#include <libfdt.h>
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u32 fdt_getprop_u32_default_node(const void *fdt, int off, int cell,
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const char *prop, const u32 dflt);
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u32 fdt_getprop_u32_default(const void *fdt, const char *path,
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const char *prop, const u32 dflt);
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int fdt_chosen(void *fdt);
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int fdt_initrd(void *fdt, ulong initrd_start, ulong initrd_end);
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void do_fixup_by_path(void *fdt, const char *path, const char *prop,
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const void *val, int len, int create);
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void do_fixup_by_path_u32(void *fdt, const char *path, const char *prop,
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u32 val, int create);
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static inline void do_fixup_by_path_string(void *fdt, const char *path,
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const char *prop, const char *status)
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{
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do_fixup_by_path(fdt, path, prop, status, strlen(status) + 1, 1);
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}
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void do_fixup_by_prop(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, const void *val, int len,
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int create);
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void do_fixup_by_prop_u32(void *fdt,
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const char *pname, const void *pval, int plen,
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const char *prop, u32 val, int create);
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void do_fixup_by_compat(void *fdt, const char *compat,
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const char *prop, const void *val, int len, int create);
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void do_fixup_by_compat_u32(void *fdt, const char *compat,
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const char *prop, u32 val, int create);
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int fdt_fixup_memory(void *blob, u64 start, u64 size);
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int fdt_fixup_memory_banks(void *blob, u64 start[], u64 size[], int banks);
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void fdt_fixup_ethernet(void *fdt);
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int fdt_find_and_setprop(void *fdt, const char *node, const char *prop,
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const void *val, int len, int create);
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void fdt_fixup_qe_firmware(void *fdt);
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#if defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB)
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void fdt_fixup_dr_usb(void *blob, bd_t *bd);
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#else
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static inline void fdt_fixup_dr_usb(void *blob, bd_t *bd) {}
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#endif /* defined(CONFIG_HAS_FSL_DR_USB) || defined(CONFIG_HAS_FSL_MPH_USB) */
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#if defined(CONFIG_SYS_FSL_SEC_COMPAT)
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void fdt_fixup_crypto_node(void *blob, int sec_rev);
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#else
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static inline void fdt_fixup_crypto_node(void *blob, int sec_rev) {}
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#endif
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#ifdef CONFIG_PCI
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#include <pci.h>
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int fdt_pci_dma_ranges(void *blob, int phb_off, struct pci_controller *hose);
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#endif
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void ft_board_setup(void *blob, bd_t *bd);
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/*
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* The keystone2 SOC requires all 32 bit aliased addresses to be converted
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* to their 36 physical format. This has to happen after all fdt nodes
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* are added or modified by the image_setup_libfdt(). The ft_board_setup_ex()
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* called at the end of the image_setup_libfdt() is to do that convertion.
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*/
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void ft_board_setup_ex(void *blob, bd_t *bd);
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void ft_cpu_setup(void *blob, bd_t *bd);
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void ft_pci_setup(void *blob, bd_t *bd);
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void set_working_fdt_addr(void *addr);
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int fdt_resize(void *blob);
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int fdt_increase_size(void *fdt, int add_len);
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int fdt_fixup_nor_flash_size(void *blob);
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void fdt_fixup_mtdparts(void *fdt, void *node_info, int node_info_size);
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void fdt_del_node_and_alias(void *blob, const char *alias);
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u64 fdt_translate_address(void *blob, int node_offset, const __be32 *in_addr);
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int fdt_node_offset_by_compat_reg(void *blob, const char *compat,
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phys_addr_t compat_off);
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int fdt_alloc_phandle(void *blob);
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int fdt_set_phandle(void *fdt, int nodeoffset, uint32_t phandle);
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unsigned int fdt_create_phandle(void *fdt, int nodeoffset);
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int fdt_add_edid(void *blob, const char *compat, unsigned char *buf);
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int fdt_verify_alias_address(void *fdt, int anode, const char *alias,
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u64 addr);
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u64 fdt_get_base_address(void *fdt, int node);
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int fdt_read_range(void *fdt, int node, int n, uint64_t *child_addr,
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uint64_t *addr, uint64_t *len);
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enum fdt_status {
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FDT_STATUS_OKAY,
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FDT_STATUS_DISABLED,
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FDT_STATUS_FAIL,
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FDT_STATUS_FAIL_ERROR_CODE,
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};
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int fdt_set_node_status(void *fdt, int nodeoffset,
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enum fdt_status status, unsigned int error_code);
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static inline int fdt_status_okay(void *fdt, int nodeoffset)
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{
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return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_OKAY, 0);
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}
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static inline int fdt_status_disabled(void *fdt, int nodeoffset)
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{
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return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_DISABLED, 0);
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}
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static inline int fdt_status_fail(void *fdt, int nodeoffset)
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{
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return fdt_set_node_status(fdt, nodeoffset, FDT_STATUS_FAIL, 0);
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}
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int fdt_set_status_by_alias(void *fdt, const char *alias,
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enum fdt_status status, unsigned int error_code);
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static inline int fdt_status_okay_by_alias(void *fdt, const char *alias)
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{
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return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_OKAY, 0);
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}
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static inline int fdt_status_disabled_by_alias(void *fdt, const char *alias)
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{
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return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_DISABLED, 0);
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}
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static inline int fdt_status_fail_by_alias(void *fdt, const char *alias)
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{
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return fdt_set_status_by_alias(fdt, alias, FDT_STATUS_FAIL, 0);
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}
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#endif /* ifdef CONFIG_OF_LIBFDT */
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#ifdef USE_HOSTCC
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int fdtdec_get_int(const void *blob, int node, const char *prop_name,
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int default_val);
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#endif
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#endif /* ifndef __FDT_SUPPORT_H */
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