ARM: tegra: Refactor DT update helpers
Rather than duplicate the Ethernet MAC address and carveout updating
code for each board, move it to a common location and make it more
reusable.
Signed-off-by: Thierry Reding <treding@nvidia.com>
Reviewed-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Tom Warren <twarren@nvidia.com>
diff --git a/board/nvidia/p2771-0000/p2771-0000.c b/board/nvidia/p2771-0000/p2771-0000.c
index 46c36a2..5ff89c4 100644
--- a/board/nvidia/p2771-0000/p2771-0000.c
+++ b/board/nvidia/p2771-0000/p2771-0000.c
@@ -11,7 +11,7 @@
#include <net.h>
#include <stdlib.h>
#include <linux/libfdt.h>
-#include <asm/arch-tegra/cboot.h>
+#include <asm/arch-tegra/board.h>
#include "../p2571/max77620_init.h"
void pin_mux_mmc(void)
@@ -60,128 +60,16 @@
}
#endif
-static void ft_mac_address_setup(void *fdt)
-{
- const void *cboot_fdt = (const void *)cboot_boot_x0;
- uint8_t mac[ETH_ALEN], local_mac[ETH_ALEN];
- const char *path;
- int offset, err;
-
- err = cboot_get_ethaddr(cboot_fdt, local_mac);
- if (err < 0)
- memset(local_mac, 0, ETH_ALEN);
-
- path = fdt_get_alias(fdt, "ethernet");
- if (!path)
- return;
-
- debug("ethernet alias found: %s\n", path);
-
- offset = fdt_path_offset(fdt, path);
- if (offset < 0) {
- printf("ethernet alias points to absent node %s\n", path);
- return;
- }
-
- if (is_valid_ethaddr(local_mac)) {
- err = fdt_setprop(fdt, offset, "local-mac-address", local_mac,
- ETH_ALEN);
- if (!err)
- debug("Local MAC address set: %pM\n", local_mac);
- }
-
- if (eth_env_get_enetaddr("ethaddr", mac)) {
- if (memcmp(local_mac, mac, ETH_ALEN) != 0) {
- err = fdt_setprop(fdt, offset, "mac-address", mac,
- ETH_ALEN);
- if (!err)
- debug("MAC address set: %pM\n", mac);
- }
- }
-}
-
-static int ft_copy_carveout(void *dst, const void *src, const char *node)
-{
- unsigned int index = 0;
- int err;
-
- while (true) {
- const char **compatibles = NULL;
- unsigned int num_compatibles;
- struct fdt_memory carveout;
- unsigned long flags;
- char *copy = NULL;
- const char *name;
-
- err = fdtdec_get_carveout(src, node, "memory-region", index,
- &carveout, &name, &compatibles,
- &num_compatibles, &flags);
- if (err < 0) {
- if (err != -FDT_ERR_NOTFOUND)
- printf("failed to get carveout for %s: %d\n",
- node, err);
-
- return err;
- }
-
- if (name) {
- const char *ptr = strchr(name, '@');
-
- if (ptr) {
- copy = strndup(name, ptr - name);
- name = copy;
- }
- } else {
- name = "carveout";
- }
-
- err = fdtdec_set_carveout(dst, node, "memory-region", index,
- &carveout, name, compatibles,
- num_compatibles, flags);
- if (err < 0) {
- printf("failed to set carveout for %s: %d\n", node,
- err);
- return err;
- }
-
- if (copy)
- free(copy);
-
- index++;
- }
-
- return 0;
-}
-
-static void ft_carveout_setup(void *fdt)
-{
- const void *cboot_fdt = (const void *)cboot_boot_x0;
- static const char * const nodes[] = {
- "/host1x@13e00000/display-hub@15200000/display@15200000",
- "/host1x@13e00000/display-hub@15200000/display@15210000",
- "/host1x@13e00000/display-hub@15200000/display@15220000",
- };
- unsigned int i;
- int err;
-
- for (i = 0; i < ARRAY_SIZE(nodes); i++) {
- printf("copying carveout for %s...\n", nodes[i]);
-
- err = ft_copy_carveout(fdt, cboot_fdt, nodes[i]);
- if (err < 0) {
- if (err != -FDT_ERR_NOTFOUND)
- printf("failed to copy carveout for %s: %d\n",
- nodes[i], err);
-
- continue;
- }
- }
-}
+static const char * const nodes[] = {
+ "/host1x@13e00000/display-hub@15200000/display@15200000",
+ "/host1x@13e00000/display-hub@15200000/display@15210000",
+ "/host1x@13e00000/display-hub@15200000/display@15220000",
+};
int ft_board_setup(void *fdt, struct bd_info *bd)
{
ft_mac_address_setup(fdt);
- ft_carveout_setup(fdt);
+ ft_carveout_setup(fdt, nodes, ARRAY_SIZE(nodes));
return 0;
}