diff options
Diffstat (limited to 'hw/openpic.c')
| -rw-r--r-- | hw/openpic.c | 17 |
1 files changed, 17 insertions, 0 deletions
diff --git a/hw/openpic.c b/hw/openpic.c index 58ef871..b9d8568 100644 --- a/hw/openpic.c +++ b/hw/openpic.c @@ -130,6 +130,17 @@ enum { #define MPIC_CPU_REG_START 0x20000 #define MPIC_CPU_REG_SIZE 0x100 + ((MAX_CPU - 1) * 0x1000) +/* + * Block Revision Register1 (BRR1): QEMU does not fully emulate + * any version on MPIC. So to start with, set the IP version to 0. + * + * NOTE: This is Freescale MPIC specific register. Keep it here till + * this code is refactored for different variants of OPENPIC and MPIC. + */ +#define FSL_BRR1_IPID (0x0040 << 16) /* 16 bit IP-block ID */ +#define FSL_BRR1_IPMJ (0x00 << 8) /* 8 bit IP major number */ +#define FSL_BRR1_IPMN 0x00 /* 8 bit IP minor number */ + enum mpic_ide_bits { IDR_EP = 31, IDR_CI0 = 30, @@ -595,6 +606,8 @@ static void openpic_gbl_write (void *opaque, target_phys_addr_t addr, uint32_t v if (addr & 0xF) return; switch (addr) { + case 0x00: /* Block Revision Register1 (BRR1) is Readonly */ + break; case 0x40: case 0x50: case 0x60: @@ -671,6 +684,7 @@ static uint32_t openpic_gbl_read (void *opaque, target_phys_addr_t addr) case 0x1090: /* PINT */ retval = 0x00000000; break; + case 0x00: /* Block Revision Register1 (BRR1) */ case 0x40: case 0x50: case 0x60: @@ -893,6 +907,9 @@ static uint32_t openpic_cpu_read_internal(void *opaque, target_phys_addr_t addr, dst = &opp->dst[idx]; addr &= 0xFF0; switch (addr) { + case 0x00: /* Block Revision Register1 (BRR1) */ + retval = FSL_BRR1_IPID | FSL_BRR1_IPMJ | FSL_BRR1_IPMN; + break; case 0x80: /* PCTP */ retval = dst->pctp; break; |