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stm32mp1: make dt_get_stdout_node_offset() static 

Do not export function dt_get_stdout_node_offset() that is used only inside
stm32mp_dt.c source file.

Change-Id: I9dd3dbfab21d42ed81c68723e71fe5a7586dce93
Signed-off-by: Yann Gautier <yann.gautier@st.com>
This commit is contained in:
Yann Gautier 2019-06-04 17:20:44 +02:00
parent 29a5072782
commit f805594d39
2 changed files with 46 additions and 44 deletions
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1
plat/st/common/include/stm32mp_dt.h
View File

@ -36,7 +36,6 @@ int dt_set_stdout_pinctrl(void);
void dt_fill_device_info(struct dt_node_info *info, int node);
int dt_get_node(struct dt_node_info *info, int offset, const char *compat);
int dt_get_stdout_uart_info(struct dt_node_info *info);
int dt_get_stdout_node_offset(void);
uint32_t dt_get_ddr_size(void);
uintptr_t dt_get_ddrctrl_base(void);
uintptr_t dt_get_ddrphyc_base(void);

89
plat/st/common/stm32mp_dt.c
View File

@ -145,6 +145,52 @@ int fdt_read_uint32_array(int node, const char *prop_name, uint32_t *array,
return 0;
}
/*******************************************************************************
* This function gets the stdout path node.
* It reads the value indicated inside the device tree.
* Returns node offset on success and a negative FDT error code on failure.
******************************************************************************/
static int dt_get_stdout_node_offset(void)
{
int node;
const char *cchar;
node = fdt_path_offset(fdt, "/secure-chosen");
if (node < 0) {
node = fdt_path_offset(fdt, "/chosen");
if (node < 0) {
return -FDT_ERR_NOTFOUND;
}
}
cchar = fdt_getprop(fdt, node, "stdout-path", NULL);
if (cchar == NULL) {
return -FDT_ERR_NOTFOUND;
}
node = -FDT_ERR_NOTFOUND;
if (strchr(cchar, (int)':') != NULL) {
const char *name;
char *str = (char *)cchar;
int len = 0;
while (strncmp(":", str, 1)) {
len++;
str++;
}
name = fdt_get_alias_namelen(fdt, cchar, len);
if (name != NULL) {
node = fdt_path_offset(fdt, name);
}
} else {
node = fdt_path_offset(fdt, cchar);
}
return node;
}
/*******************************************************************************
* This function gets the stdout pin configuration information from the DT.
* And then calls the sub-function to treat it and set GPIO registers.
@ -231,49 +277,6 @@ int dt_get_stdout_uart_info(struct dt_node_info *info)
return node;
}
/*******************************************************************************
* This function gets the stdout path node.
* It reads the value indicated inside the device tree.
* Returns node if success, and a negative value else.
******************************************************************************/
int dt_get_stdout_node_offset(void)
{
int node;
const char *cchar;
node = fdt_path_offset(fdt, "/chosen");
if (node < 0) {
return -FDT_ERR_NOTFOUND;
}
cchar = fdt_getprop(fdt, node, "stdout-path", NULL);
if (cchar == NULL) {
return -FDT_ERR_NOTFOUND;
}
node = -FDT_ERR_NOTFOUND;
if (strchr(cchar, (int)':') != NULL) {
const char *name;
char *str = (char *)cchar;
int len = 0;
while (strncmp(":", str, 1)) {
len++;
str++;
}
name = fdt_get_alias_namelen(fdt, cchar, len);
if (name != NULL) {
node = fdt_path_offset(fdt, name);
}
} else {
node = fdt_path_offset(fdt, cchar);
}
return node;
}
/*******************************************************************************
* This function gets DDR size information from the DT.
* Returns value in bytes on success, and 0 on failure.