lib/fit: support booting initrd placed above 4GiB
Store initrd offset as 64bit integer. Tested on Cavium CN81XX EVB: The initrd could be loaded when placed above 4GiB. Previously it failed to find the initrd. Change-Id: I5d1ae860ae4a4465546bc0ef89937d611d1e56ab Signed-off-by: Patrick Rudolph <patrick.rudolph@9elements.com> Reviewed-on: https://review.coreboot.org/28002 Tested-by: build bot (Jenkins) <no-reply@coreboot.org> Reviewed-by: Aaron Durbin <adurbin@chromium.org> Reviewed-by: Philipp Deppenwiese <zaolin.daisuki@gmail.com>
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@ -158,6 +158,7 @@ void dt_add_bin_prop(struct device_tree_node *node, const char *name, void *data
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size_t size);
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void dt_add_string_prop(struct device_tree_node *node, const char *name, char *str);
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void dt_add_u32_prop(struct device_tree_node *node, const char *name, u32 val);
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void dt_add_u64_prop(struct device_tree_node *node, const char *name, u64 val);
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void dt_add_reg_prop(struct device_tree_node *node, u64 *addrs, u64 *sizes,
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int count, u32 addr_cells, u32 size_cells);
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int dt_set_bin_prop_by_path(struct device_tree *tree, const char *path,
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@ -881,6 +881,22 @@ void dt_add_u32_prop(struct device_tree_node *node, const char *name, u32 val)
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dt_add_bin_prop(node, name, val_ptr, sizeof(*val_ptr));
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}
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/*
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* Add a 64-bit integer property to a node, or update it if it already exists.
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*
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* @param node The device tree node to add to.
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* @param name The name of the new property.
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* @param val The integer to be stored in the property.
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*/
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void dt_add_u64_prop(struct device_tree_node *node, const char *name, u64 val)
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{
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u64 *val_ptr = malloc(sizeof(val));
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if (!val_ptr)
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return;
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*val_ptr = htobe64(val);
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dt_add_bin_prop(node, name, val_ptr, sizeof(*val_ptr));
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}
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/*
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* Add a 'reg' address list property to a node, or update it if it exists.
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*
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@ -212,12 +212,11 @@ void fit_add_ramdisk(struct device_tree *tree, void *ramdisk_addr,
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struct device_tree_node *node;
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node = dt_find_node(tree->root, path, NULL, NULL, 1);
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/* Warning: this assumes the ramdisk is currently located below 4GiB. */
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u32 start = (uintptr_t)ramdisk_addr;
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u32 end = start + ramdisk_size;
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u64 start = (uintptr_t)ramdisk_addr;
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u64 end = start + ramdisk_size;
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dt_add_u32_prop(node, "linux,initrd-start", start);
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dt_add_u32_prop(node, "linux,initrd-end", end);
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dt_add_u64_prop(node, "linux,initrd-start", start);
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dt_add_u64_prop(node, "linux,initrd-end", end);
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}
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static void update_reserve_map(uint64_t start, uint64_t end,
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