Mirrors/m1n1
2
0
Fork 0
mirror of https://github.com/AsahiLinux/m1n1 synced 2024-12-19 02:03:06 +00:00
Code Issues Projects Releases Packages Wiki Activity

kboot: Add DCP reserved mem support for t602x

Browse source 
Signed-off-by: Janne Grunau <j@jannau.net>
This commit is contained in:
Janne Grunau 2023-04-10 18:02:15 +02:00 committed by Hector Martin
parent 93a6daa337
commit 7715b04217
1 changed files with 18 additions and 0 deletions
Show stats Download patch file Download diff file Expand all files Collapse all files

18
src/kboot.c
View file

@ -1565,6 +1565,17 @@ static struct disp_mapping dcpext_reserved_regions_t600x[MAX_DCPEXT][2] = {
},
};
static struct disp_mapping disp_reserved_regions_t602x[] = {
{"region-id-49", "dcp_txt", true, false, false},
{"region-id-50", "dcp_data", true, false, false},
{"region-id-57", "region57", true, false, false},
// The 2 following regions are mapped in dart-dcp sid 0 and dart-disp0 sid 0 and 4
{"region-id-94", "region94", true, true, false},
{"region-id-95", "region95", true, false, true},
// used on M1 Pro/Max/Ultra, mapped to dcp and disp0
{"region-id-157", "region157", true, true, false},
};
#define ARRAY_SIZE(s) (sizeof(s) / sizeof((s)[0]))
static int dt_set_display(void)
@ -1616,6 +1627,13 @@ static int dt_set_display(void)
dcpext_reserved_regions_t600x[n],
ARRAY_SIZE(dcpext_reserved_regions_t600x[n]));
}
} else if (!fdt_node_check_compatible(dt, 0, "apple,t6020") ||
!fdt_node_check_compatible(dt, 0, "apple,t6021")) {
ret = dt_carveout_reserved_regions("dcp", "disp0", "disp0_piodma",
disp_reserved_regions_t602x,
ARRAY_SIZE(disp_reserved_regions_t602x));
if (ret)
return ret;
} else {
printf("DT: unknown compatible, skip display reserved-memory setup\n");
return 0;