plat/stm32: Use generic fdt_get_stdout_node_offset()
Now that we have an implementation for getting the node offset of the stdout-path property in the generic fdt_wrappers code, use that to replace the current ST platform specific implementation. Change-Id: I5dd05684e7ca3cb563b5f71c885e1066393e057e Signed-off-by: Andre Przywara <andre.przywara@arm.com>
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@ -135,52 +135,6 @@ static int fdt_get_node_parent_size_cells(int node)
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}
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}
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#endif
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#endif
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/*******************************************************************************
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* This function gets the stdout path node.
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* It reads the value indicated inside the device tree.
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* Returns node offset on success and a negative FDT error code on failure.
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******************************************************************************/
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static int dt_get_stdout_node_offset(void)
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{
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int node;
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const char *cchar;
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node = fdt_path_offset(fdt, "/secure-chosen");
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if (node < 0) {
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node = fdt_path_offset(fdt, "/chosen");
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if (node < 0) {
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return -FDT_ERR_NOTFOUND;
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}
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}
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cchar = fdt_getprop(fdt, node, "stdout-path", NULL);
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if (cchar == NULL) {
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return -FDT_ERR_NOTFOUND;
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}
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node = -FDT_ERR_NOTFOUND;
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if (strchr(cchar, (int)':') != NULL) {
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const char *name;
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char *str = (char *)cchar;
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int len = 0;
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while (strncmp(":", str, 1)) {
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len++;
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str++;
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}
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name = fdt_get_alias_namelen(fdt, cchar, len);
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if (name != NULL) {
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node = fdt_path_offset(fdt, name);
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}
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} else {
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node = fdt_path_offset(fdt, cchar);
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}
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return node;
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}
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/*******************************************************************************
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/*******************************************************************************
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* This function gets the stdout pin configuration information from the DT.
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* This function gets the stdout pin configuration information from the DT.
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* And then calls the sub-function to treat it and set GPIO registers.
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* And then calls the sub-function to treat it and set GPIO registers.
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@ -190,7 +144,7 @@ int dt_set_stdout_pinctrl(void)
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{
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{
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int node;
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int node;
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node = dt_get_stdout_node_offset();
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node = fdt_get_stdout_node_offset(fdt);
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if (node < 0) {
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if (node < 0) {
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return -FDT_ERR_NOTFOUND;
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return -FDT_ERR_NOTFOUND;
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}
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}
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@ -259,7 +213,7 @@ int dt_get_stdout_uart_info(struct dt_node_info *info)
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{
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{
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int node;
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int node;
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node = dt_get_stdout_node_offset();
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node = fdt_get_stdout_node_offset(fdt);
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if (node < 0) {
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if (node < 0) {
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return -FDT_ERR_NOTFOUND;
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return -FDT_ERR_NOTFOUND;
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}
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}
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