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

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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
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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