diff options
| author | Bruce Losure <blosure@sgi.com> | 2005-04-25 19:41:00 -0700 |
|---|---|---|
| committer | Tony Luck <tony.luck@intel.com> | 2005-05-03 12:01:07 -0700 |
| commit | ce0a3956b32650e229b68964c4400bbdc5ad3ca1 (patch) | |
| tree | 79ea53b8321964c903f1379c48ba5c4917992c46 | |
| parent | ae40aae9b9b8e336714ebb3f16410da6e69d6ac8 (diff) | |
| download | talos-obmc-linux-ce0a3956b32650e229b68964c4400bbdc5ad3ca1.tar.gz talos-obmc-linux-ce0a3956b32650e229b68964c4400bbdc5ad3ca1.zip | |
[IA64-SGI] Altix patch to add bricktype knowledge to tiocx
Here is a patch to enable the SGI tiocx bus driver to distingush between
FPGA-attached h/w and non-FPGA-attached h/w.
Signed-off-by: Bruce Losure <blosure@sgi.com>
Signed-off-by: Tony Luck <tony.luck@intel.com>
| -rw-r--r-- | arch/ia64/sn/kernel/tiocx.c | 41 | ||||
| -rw-r--r-- | include/asm-ia64/sn/l1.h | 3 |
2 files changed, 34 insertions, 10 deletions
diff --git a/arch/ia64/sn/kernel/tiocx.c b/arch/ia64/sn/kernel/tiocx.c index 128ccf23973a..ab9b5f35c2a7 100644 --- a/arch/ia64/sn/kernel/tiocx.c +++ b/arch/ia64/sn/kernel/tiocx.c @@ -21,6 +21,8 @@ #include <asm/sn/types.h> #include <asm/sn/shubio.h> #include <asm/sn/tiocx.h> +#include <asm/sn/l1.h> +#include <asm/sn/module.h> #include "tio.h" #include "xtalk/xwidgetdev.h" #include "xtalk/hubdev.h" @@ -308,14 +310,12 @@ void tiocx_irq_free(struct sn_irq_info *sn_irq_info) } } -uint64_t -tiocx_dma_addr(uint64_t addr) +uint64_t tiocx_dma_addr(uint64_t addr) { return PHYS_TO_TIODMA(addr); } -uint64_t -tiocx_swin_base(int nasid) +uint64_t tiocx_swin_base(int nasid) { return TIO_SWIN_BASE(nasid, TIOCX_CORELET); } @@ -366,7 +366,29 @@ static void tio_corelet_reset(nasid_t nasid, int corelet) udelay(2000); } -static int fpga_attached(nasid_t nasid) +static int tiocx_btchar_get(int nasid) +{ + moduleid_t module_id; + geoid_t geoid; + int cnodeid; + + cnodeid = nasid_to_cnodeid(nasid); + geoid = cnodeid_get_geoid(cnodeid); + module_id = geo_module(geoid); + return MODULE_GET_BTCHAR(module_id); +} + +static int is_fpga_brick(int nasid) +{ + switch (tiocx_btchar_get(nasid)) { + case L1_BRICKTYPE_SA: + case L1_BRICKTYPE_ATHENA: + return 1; + } + return 0; +} + +static int bitstream_loaded(nasid_t nasid) { uint64_t cx_credits; @@ -383,7 +405,7 @@ static int tiocx_reload(struct cx_dev *cx_dev) int mfg_num = CX_DEV_NONE; nasid_t nasid = cx_dev->cx_id.nasid; - if (fpga_attached(nasid)) { + if (bitstream_loaded(nasid)) { uint64_t cx_id; cx_id = @@ -414,9 +436,10 @@ static ssize_t show_cxdev_control(struct device *dev, char *buf) { struct cx_dev *cx_dev = to_cx_dev(dev); - return sprintf(buf, "0x%x 0x%x 0x%x\n", + return sprintf(buf, "0x%x 0x%x 0x%x %d\n", cx_dev->cx_id.nasid, - cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num); + cx_dev->cx_id.part_num, cx_dev->cx_id.mfg_num, + tiocx_btchar_get(cx_dev->cx_id.nasid)); } static ssize_t store_cxdev_control(struct device *dev, const char *buf, @@ -462,7 +485,7 @@ static int __init tiocx_init(void) if ((nasid = cnodeid_to_nasid(cnodeid)) < 0) break; /* No more nasids .. bail out of loop */ - if (nasid & 0x1) { /* TIO's are always odd */ + if ((nasid & 0x1) && is_fpga_brick(nasid)) { struct hubdev_info *hubdev; struct xwidget_info *widgetp; diff --git a/include/asm-ia64/sn/l1.h b/include/asm-ia64/sn/l1.h index d5dbd55e44b5..08050d37b662 100644 --- a/include/asm-ia64/sn/l1.h +++ b/include/asm-ia64/sn/l1.h @@ -29,8 +29,9 @@ #define L1_BRICKTYPE_CHI_CG 0x76 /* v */ #define L1_BRICKTYPE_X 0x78 /* x */ #define L1_BRICKTYPE_X2 0x79 /* y */ -#define L1_BRICKTYPE_SA 0x5e /* ^ */ /* TIO bringup brick */ +#define L1_BRICKTYPE_SA 0x5e /* ^ */ #define L1_BRICKTYPE_PA 0x6a /* j */ #define L1_BRICKTYPE_IA 0x6b /* k */ +#define L1_BRICKTYPE_ATHENA 0x2b /* + */ #endif /* _ASM_IA64_SN_L1_H */ |
