diff options
Diffstat (limited to 'hw/display/pl110.c')
| -rw-r--r-- | hw/display/pl110.c | 18 |
1 files changed, 8 insertions, 10 deletions
diff --git a/hw/display/pl110.c b/hw/display/pl110.c index e79ab4bbdd..790e5108ed 100644 --- a/hw/display/pl110.c +++ b/hw/display/pl110.c @@ -94,23 +94,21 @@ static const VMStateDescription vmstate_pl110 = { static const unsigned char pl110_id[] = { 0x10, 0x11, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 }; -/* The Arm documentation (DDI0224C) says the CLDC on the Versatile board - has a different ID. However Linux only looks for the normal ID. */ -#if 0 -static const unsigned char pl110_versatile_id[] = -{ 0x93, 0x10, 0x04, 0x00, 0x0d, 0xf0, 0x05, 0xb1 }; -#else -#define pl110_versatile_id pl110_id -#endif - static const unsigned char pl111_id[] = { 0x11, 0x11, 0x24, 0x00, 0x0d, 0xf0, 0x05, 0xb1 }; + /* Indexed by pl110_version */ static const unsigned char *idregs[] = { pl110_id, - pl110_versatile_id, + /* The ARM documentation (DDI0224C) says the CLCDC on the Versatile board + * has a different ID (0x93, 0x10, 0x04, 0x00, ...). However the hardware + * itself has the same ID values as a stock PL110, and guests (in + * particular Linux) rely on this. We emulate what the hardware does, + * rather than what the docs claim it ought to do. + */ + pl110_id, pl111_id }; |