diff options
author | Thomas Bogendoerfer <tbogendoerfer@suse.de> | 2019-02-19 18:57:15 +0300 |
---|---|---|
committer | Paul Burton <paul.burton@mips.com> | 2019-02-19 23:46:02 +0300 |
commit | db0e7d4e42b0557caad5112b405da59c933bea24 (patch) | |
tree | 3ead6399435c0f51d9b816ed2f1d99329b82ff1c /arch/mips/include | |
parent | 72faa7a773ca59336f3c889e878de81445c5a85c (diff) | |
download | linux-db0e7d4e42b0557caad5112b405da59c933bea24.tar.xz |
MIPS: SGI-IP27: get rid of volatile and hubreg_t
Replace hub register access with __raw_readq/__raw_writeq and get
rid of hubreg_t completely. Also remove no longer (probably never
used) used defines
Signed-off-by: Thomas Bogendoerfer <tbogendoerfer@suse.de>
Signed-off-by: Paul Burton <paul.burton@mips.com>
Cc: Ralf Baechle <ralf@linux-mips.org>
Cc: James Hogan <jhogan@kernel.org>
Cc: linux-mips@vger.kernel.org
Cc: linux-kernel@vger.kernel.org
Diffstat (limited to 'arch/mips/include')
-rw-r--r-- | arch/mips/include/asm/sn/addrs.h | 72 | ||||
-rw-r--r-- | arch/mips/include/asm/sn/arch.h | 2 | ||||
-rw-r--r-- | arch/mips/include/asm/sn/io.h | 2 |
3 files changed, 10 insertions, 66 deletions
diff --git a/arch/mips/include/asm/sn/addrs.h b/arch/mips/include/asm/sn/addrs.h index 66814f8ba8e8..837d23e24976 100644 --- a/arch/mips/include/asm/sn/addrs.h +++ b/arch/mips/include/asm/sn/addrs.h @@ -27,16 +27,11 @@ #ifndef __ASSEMBLY__ -#define PS_UINT_CAST (unsigned long) #define UINT64_CAST (unsigned long) -#define HUBREG_CAST (volatile hubreg_t *) - #else /* __ASSEMBLY__ */ -#define PS_UINT_CAST #define UINT64_CAST -#define HUBREG_CAST #endif /* __ASSEMBLY__ */ @@ -256,42 +251,23 @@ * Otherwise, the recommended approach is to use *_HUB_L() and *_HUB_S(). * They're always safe. */ -#define LOCAL_HUB_ADDR(_x) (HUBREG_CAST (IALIAS_BASE + (_x))) -#define REMOTE_HUB_ADDR(_n, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + \ - 0x800000 + (_x))) -#ifdef CONFIG_SGI_IP27 -#define REMOTE_HUB_PI_ADDR(_n, _sn, _x) (HUBREG_CAST (NODE_SWIN_BASE(_n, 1) + \ - 0x800000 + (_x))) -#endif /* CONFIG_SGI_IP27 */ +#define LOCAL_HUB_ADDR(_x) (IALIAS_BASE + (_x)) +#define REMOTE_HUB_ADDR(_n, _x) ((NODE_SWIN_BASE(_n, 1) + 0x800000 + (_x))) #ifndef __ASSEMBLY__ -#define HUB_L(_a) *(_a) -#define HUB_S(_a, _d) *(_a) = (_d) +#define LOCAL_HUB_PTR(_x) ((u64 *)LOCAL_HUB_ADDR((_x))) +#define REMOTE_HUB_PTR(_n, _x) ((u64 *)REMOTE_HUB_ADDR((_n), (_x))) -#define LOCAL_HUB_L(_r) HUB_L(LOCAL_HUB_ADDR(_r)) -#define LOCAL_HUB_S(_r, _d) HUB_S(LOCAL_HUB_ADDR(_r), (_d)) -#define REMOTE_HUB_L(_n, _r) HUB_L(REMOTE_HUB_ADDR((_n), (_r))) -#define REMOTE_HUB_S(_n, _r, _d) HUB_S(REMOTE_HUB_ADDR((_n), (_r)), (_d)) -#define REMOTE_HUB_PI_L(_n, _sn, _r) HUB_L(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r))) -#define REMOTE_HUB_PI_S(_n, _sn, _r, _d) HUB_S(REMOTE_HUB_PI_ADDR((_n), (_sn), (_r)), (_d)) +#define LOCAL_HUB_L(_r) __raw_readq(LOCAL_HUB_PTR(_r)) +#define LOCAL_HUB_S(_r, _d) __raw_writeq((_d), LOCAL_HUB_PTR(_r)) +#define REMOTE_HUB_L(_n, _r) __raw_readq(REMOTE_HUB_PTR((_n), (_r))) +#define REMOTE_HUB_S(_n, _r, _d) __raw_writeq((_d), \ + REMOTE_HUB_PTR((_n), (_r))) #endif /* !__ASSEMBLY__ */ /* - * The following macros are used to get to a hub/bridge register, given - * the base of the register space. - */ -#define HUB_REG_PTR(_base, _off) \ - (HUBREG_CAST((__psunsigned_t)(_base) + (__psunsigned_t)(_off))) - -#define HUB_REG_PTR_L(_base, _off) \ - HUB_L(HUB_REG_PTR((_base), (_off))) - -#define HUB_REG_PTR_S(_base, _off, _data) \ - HUB_S(HUB_REG_PTR((_base), (_off)), (_data)) - -/* * Software structure locations -- permanently fixed * See diagram in kldir.h */ @@ -387,44 +363,14 @@ #define SYMMON_STK_END(nasid) (SYMMON_STK_ADDR(nasid, 0) + KLD_SYMMON_STK(nasid)->size) -/* loading symmon 4k below UNIX. the arcs loader needs the topaddr for a - * relocatable program - */ -#define UNIX_DEBUG_LOADADDR 0x300000 -#define SYMMON_LOADADDR(nasid) \ - TO_NODE(nasid, PHYS_TO_K0(UNIX_DEBUG_LOADADDR - 0x1000)) - -#define FREEMEM_OFFSET(nasid) KLD_FREEMEM(nasid)->offset -#define FREEMEM_ADDR(nasid) SYMMON_STK_END(nasid) -/* - * XXX - * Fix this. FREEMEM_ADDR should be aware of if symmon is loaded. - * Also, it should take into account what prom thinks to be a safe - * address - PHYS_TO_K0(NODE_OFFSET(nasid) + FREEMEM_OFFSET(nasid)) - */ -#define FREEMEM_SIZE(nasid) KLD_FREEMEM(nasid)->size - -#define PI_ERROR_OFFSET(nasid) KLD_PI_ERROR(nasid)->offset -#define PI_ERROR_ADDR(nasid) \ - TO_NODE_UNCAC((nasid), PI_ERROR_OFFSET(nasid)) -#define PI_ERROR_SIZE(nasid) KLD_PI_ERROR(nasid)->size - #define NODE_OFFSET_TO_K0(_nasid, _off) \ PHYS_TO_K0((NODE_OFFSET(_nasid) + (_off)) | CAC_BASE) #define NODE_OFFSET_TO_K1(_nasid, _off) \ TO_UNCAC((NODE_OFFSET(_nasid) + (_off)) | UNCAC_BASE) -#define K0_TO_NODE_OFFSET(_k0addr) \ - ((__psunsigned_t)(_k0addr) & NODE_ADDRSPACE_MASK) #define KERN_VARS_ADDR(nasid) KLD_KERN_VARS(nasid)->pointer #define KERN_VARS_SIZE(nasid) KLD_KERN_VARS(nasid)->size -#define KERN_XP_ADDR(nasid) KLD_KERN_XP(nasid)->pointer -#define KERN_XP_SIZE(nasid) KLD_KERN_XP(nasid)->size - -#define GPDA_ADDR(nasid) TO_NODE_CAC(nasid, GPDA_OFFSET) - #endif /* !__ASSEMBLY__ */ diff --git a/arch/mips/include/asm/sn/arch.h b/arch/mips/include/asm/sn/arch.h index 471e6870d876..3f1fb1454749 100644 --- a/arch/mips/include/asm/sn/arch.h +++ b/arch/mips/include/asm/sn/arch.h @@ -17,8 +17,6 @@ #include <asm/sn/sn0/arch.h> #endif -typedef u64 hubreg_t; - #define cputonasid(cpu) (sn_cpu_info[(cpu)].p_nasid) #define cputoslice(cpu) (sn_cpu_info[(cpu)].p_slice) #define makespnum(_nasid, _slice) \ diff --git a/arch/mips/include/asm/sn/io.h b/arch/mips/include/asm/sn/io.h index d5174d04538c..211f1e83b523 100644 --- a/arch/mips/include/asm/sn/io.h +++ b/arch/mips/include/asm/sn/io.h @@ -44,7 +44,7 @@ IIO_ITTE_PUT((nasid), HUB_PIO_MAP_TO_MEM, \ (bigwin), IIO_ITTE_INVALID_WIDGET, 0) -#define IIO_ITTE_GET(nasid, bigwin) REMOTE_HUB_ADDR((nasid), IIO_ITTE(bigwin)) +#define IIO_ITTE_GET(nasid, bigwin) REMOTE_HUB_PTR((nasid), IIO_ITTE(bigwin)) /* * Macro which takes the widget number, and returns the |