diff options
| author | Jack Steiner <steiner@sgi.com> | 2011-05-11 12:50:28 -0500 |
|---|---|---|
| committer | Ingo Molnar <mingo@elte.hu> | 2011-05-25 14:20:13 +0200 |
| commit | 2a919596c16b4333af851ff473ebf96e289ab90c (patch) | |
| tree | c42043cf772205fe4dfb0ea8d208886ea055a013 /arch/x86/include/asm/uv/uv_bau.h | |
| parent | 7ccafc5f75c87853f3c49845d5a884f2376e03ce (diff) | |
x86, UV: Add support for SGI UV2 hub chip
This patch adds support for a new version of the SGI UV hub
chip. The hub chip is the node controller that connects multiple
blades into a larger coherent SSI.
For the most part, UV2 is compatible with UV1. The majority of
the changes are in the addresses of MMRs and in a few cases, the
contents of MMRs. These changes are the result in changes in the
system topology such as node configuration, processor types,
maximum nodes, physical address sizes, etc.
Signed-off-by: Jack Steiner <steiner@sgi.com>
Link: http://lkml.kernel.org/r/20110511175028.GA18006@sgi.com
Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/x86/include/asm/uv/uv_bau.h')
| -rw-r--r-- | arch/x86/include/asm/uv/uv_bau.h | 42 |
1 files changed, 38 insertions, 4 deletions
diff --git a/arch/x86/include/asm/uv/uv_bau.h b/arch/x86/include/asm/uv/uv_bau.h index 130f1eeee5f..0652a5a9fd6 100644 --- a/arch/x86/include/asm/uv/uv_bau.h +++ b/arch/x86/include/asm/uv/uv_bau.h @@ -44,7 +44,10 @@ #define UV_ACT_STATUS_SIZE 2 #define UV_DISTRIBUTION_SIZE 256 #define UV_SW_ACK_NPENDING 8 -#define UV_NET_ENDPOINT_INTD 0x38 +#define UV1_NET_ENDPOINT_INTD 0x38 +#define UV2_NET_ENDPOINT_INTD 0x28 +#define UV_NET_ENDPOINT_INTD (is_uv1_hub() ? \ + UV1_NET_ENDPOINT_INTD : UV2_NET_ENDPOINT_INTD) #define UV_DESC_BASE_PNODE_SHIFT 49 #define UV_PAYLOADQ_PNODE_SHIFT 49 #define UV_PTC_BASENAME "sgi_uv/ptc_statistics" @@ -53,10 +56,22 @@ #define UV_BAU_TUNABLES_FILE "bau_tunables" #define WHITESPACE " \t\n" #define uv_physnodeaddr(x) ((__pa((unsigned long)(x)) & uv_mmask)) -#define UV_ENABLE_INTD_SOFT_ACK_MODE_SHIFT 15 -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHIFT 16 -#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD 0x0000000009UL + + /* [19:16] SOFT_ACK timeout period 19: 1 is urgency 7 17:16 1 is multiplier */ +/* + * UV2: Bit 19 selects between + * (0): 10 microsecond timebase and + * (1): 80 microseconds + * we're using 655us, similar to UV1: 65 units of 10us + */ +#define UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD (9UL) +#define UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD (65*10UL) + +#define UV_INTD_SOFT_ACK_TIMEOUT_PERIOD (is_uv1_hub() ? \ + UV1_INTD_SOFT_ACK_TIMEOUT_PERIOD : \ + UV2_INTD_SOFT_ACK_TIMEOUT_PERIOD) + #define BAU_MISC_CONTROL_MULT_MASK 3 #define UVH_AGING_PRESCALE_SEL 0x000000b000UL @@ -76,6 +91,16 @@ #define DESC_STATUS_ACTIVE 1 #define DESC_STATUS_DESTINATION_TIMEOUT 2 #define DESC_STATUS_SOURCE_TIMEOUT 3 +/* + * bits put together from HRP_LB_BAU_SB_ACTIVATION_STATUS_0/1/2 + * values 1 and 5 will not occur + */ +#define UV2H_DESC_IDLE 0 +#define UV2H_DESC_DEST_TIMEOUT 2 +#define UV2H_DESC_DEST_STRONG_NACK 3 +#define UV2H_DESC_BUSY 4 +#define UV2H_DESC_SOURCE_TIMEOUT 6 +#define UV2H_DESC_DEST_PUT_ERR 7 /* * delay for 'plugged' timeout retries, in microseconds @@ -96,6 +121,15 @@ #define UV_LB_SUBNODEID 0x10 +/* these two are the same for UV1 and UV2: */ +#define UV_SA_SHFT UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_SHFT +#define UV_SA_MASK UVH_LB_BAU_MISC_CONTROL_INTD_SOFT_ACK_TIMEOUT_PERIOD_MASK +/* 4 bits of software ack period */ +#define UV2_ACK_MASK 0x7UL +#define UV2_ACK_UNITS_SHFT 3 +#define UV2_LEG_SHFT UV2H_LB_BAU_MISC_CONTROL_USE_LEGACY_DESCRIPTOR_FORMATS_SHFT +#define UV2_EXT_SHFT UV2H_LB_BAU_MISC_CONTROL_ENABLE_EXTENDED_SB_STATUS_SHFT + /* * number of entries in the destination side payload queue */ |