brain-hackers_pepepper-mirror/u-boot-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/u-boot-brain synced 2024-06-09 23:36:03 +09:00
Code Issues Projects Releases Wiki Activity

db410c: use the device tree parsed by the lk loader.

Browse Source 
We dont need to keep copies of the properties that we are going to
fixup since we will be using the dtb provided by the firmware.

Signed-off-by: Jorge Ramirez-Ortiz <jorge.ramirez-ortiz@linaro.org>
This commit is contained in:
Jorge Ramirez-Ortiz 2018-01-10 11:34:38 +01:00 committed by Tom Rini
parent 3b595da441
commit 9337dfb434
2 changed files with 40 additions and 27 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

66
board/qualcomm/dragonboard410c/dragonboard410c.c
View File

@ -15,14 +15,22 @@
DECLARE_GLOBAL_DATA_PTR;
/* pointer to the device tree ammended by the firmware */
extern const void *fw_dtb;
extern void *fw_dtb;
static char wlan_mac[ARP_HLEN];
static char bt_mac[ARP_HLEN];
void *board_fdt_blob_setup(void)
{
if (fdt_magic(fw_dtb) != FDT_MAGIC) {
printf("Firmware provided invalid dtb!\n");
return NULL;
}
return fw_dtb;
}
int dram_init(void)
{
gd->ram_size = PHYS_SDRAM_1_SIZE;
return 0;
}
@ -138,36 +146,40 @@ int misc_init_r(void)
int board_init(void)
{
int offset, len;
const char *mac;
/* take a copy of the firmware information (the user could unknownly
overwrite that DDR via tftp or other means) */
offset = fdt_node_offset_by_compatible(fw_dtb, -1, "qcom,wcnss-wlan");
if (offset >= 0) {
mac = fdt_getprop(fw_dtb, offset, "local-mac-address", &len);
if (mac)
memcpy(wlan_mac, mac, ARP_HLEN);
}
offset = fdt_node_offset_by_compatible(fw_dtb, -1, "qcom,wcnss-bt");
if (offset >= 0) {
mac = fdt_getprop(fw_dtb, offset, "local-bd-address", &len);
if (mac)
memcpy(bt_mac, mac, ARP_HLEN);
}
return 0;
}
int ft_board_setup(void *blob, bd_t *bd)
{
do_fixup_by_compat(blob, "qcom,wcnss-wlan", "local-mac-address",
wlan_mac, ARP_HLEN, 1);
int offset, len, i;
const char *mac;
struct {
const char *compatible;
const char *property;
} fix[] = {
[0] = {
/* update the kernel's dtb with wlan mac */
.compatible = "qcom,wcnss-wlan",
.property = "local-mac-address",
},
[1] = {
/* update the kernel's dtb with bt mac */
.compatible = "qcom,wcnss-bt",
.property = "local-bd-address",
},
};
do_fixup_by_compat(blob, "qcom,wcnss-bt", "local-bd-address",
bt_mac, ARP_HLEN, 1);
for (i = 0; i < sizeof(fix) / sizeof(fix[0]); i++) {
offset = fdt_node_offset_by_compatible(gd->fdt_blob, -1,
fix[i].compatible);
if (offset < 0)
continue;
mac = fdt_getprop(gd->fdt_blob, offset, fix[i].property, &len);
if (mac)
do_fixup_by_compat(blob, fix[i].compatible,
fix[i].property, mac, ARP_HLEN, 1);
}
return 0;
}

1
configs/dragonboard410c_defconfig
View File

@ -47,3 +47,4 @@ CONFIG_OF_CONTROL=y
CONFIG_ENV_IS_IN_MMC=y
CONFIG_OF_BOARD_SETUP=y
CONFIG_PSCI_RESET=y
CONFIG_OF_SEPARATE=y