motorhead/qemu
1
0
Fork 0
mirror of https://github.com/Motorhead1991/qemu.git synced 2025-08-09 02:24:58 -06:00
Code Issues Projects Releases Packages Wiki Activity Actions

hw/arm/allwinner: add Security Identifier device

Browse source 
The Security Identifier device found in various Allwinner System on Chip
designs gives applications a per-board unique identifier. This commit
adds support for the Allwinner Security Identifier using a 128-bit
UUID value as input.

Signed-off-by: Niek Linnenbank <nieklinnenbank@gmail.com>
Reviewed-by: Alex Bennée <alex.bennee@linaro.org>
Message-id: 20200311221854.30370-8-nieklinnenbank@gmail.com
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Niek Linnenbank 2020-03-11 23:18:43 +01:00 • committed by Peter Maydell
parent d26af5ded9
commit 6556617ce1
7 changed files with 254 additions and 1 deletions
Download patch file Download diff file Expand all files Collapse all files

11
hw/arm/allwinner-h3.c
View file

@ -38,6 +38,7 @@ const hwaddr allwinner_h3_memmap[] = {
[AW_H3_SRAM_A2] = 0x00044000,
[AW_H3_SRAM_C] = 0x00010000,
[AW_H3_SYSCTRL] = 0x01c00000,
[AW_H3_SID] = 0x01c14000,
[AW_H3_EHCI0] = 0x01c1a000,
[AW_H3_OHCI0] = 0x01c1a400,
[AW_H3_EHCI1] = 0x01c1b000,
@ -78,7 +79,6 @@ struct AwH3Unimplemented {
{ "mmc0", 0x01c0f000, 4 * KiB },
{ "mmc1", 0x01c10000, 4 * KiB },
{ "mmc2", 0x01c11000, 4 * KiB },
{ "sid", 0x01c14000, 1 * KiB },
{ "crypto", 0x01c15000, 4 * KiB },
{ "msgbox", 0x01c17000, 4 * KiB },
{ "spinlock", 0x01c18000, 4 * KiB },
@ -198,6 +198,11 @@ static void allwinner_h3_init(Object *obj)
sysbus_init_child_obj(obj, "cpucfg", &s->cpucfg, sizeof(s->cpucfg),
TYPE_AW_CPUCFG);
sysbus_init_child_obj(obj, "sid", &s->sid, sizeof(s->sid),
TYPE_AW_SID);
object_property_add_alias(obj, "identifier", OBJECT(&s->sid),
"identifier", &error_abort);
}
static void allwinner_h3_realize(DeviceState *dev, Error **errp)
@ -315,6 +320,10 @@ static void allwinner_h3_realize(DeviceState *dev, Error **errp)
qdev_init_nofail(DEVICE(&s->cpucfg));
sysbus_mmio_map(SYS_BUS_DEVICE(&s->cpucfg), 0, s->memmap[AW_H3_CPUCFG]);
/* Security Identifier */
qdev_init_nofail(DEVICE(&s->sid));
sysbus_mmio_map(SYS_BUS_DEVICE(&s->sid), 0, s->memmap[AW_H3_SID]);
/* Universal Serial Bus */
sysbus_create_simple(TYPE_AW_H3_EHCI, s->memmap[AW_H3_EHCI0],
qdev_get_gpio_in(DEVICE(&s->gic),