UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

Switch SiByte drivers back to __raw_*() functions. 

Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Maciej W. Rozycki 2005-02-22 21:51:30 +00:00 committed by Ralf Baechle
parent 4912ba72d6
commit 65bda1a95d
11 changed files with 221 additions and 210 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

28
arch/mips/mm/pg-sb1.c
View File

@ -214,12 +214,12 @@ void sb1_dma_init(void)
int cpu = smp_processor_id(); int cpu = smp_processor_id();
u64 base_val = CPHYSADDR(&page_descr[cpu]) | V_DM_DSCR_BASE_RINGSZ(1); u64 base_val = CPHYSADDR(&page_descr[cpu]) | V_DM_DSCR_BASE_RINGSZ(1);
bus_writeq(base_val, __raw_writeq(base_val,
(void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE))); IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
bus_writeq(base_val | M_DM_DSCR_BASE_RESET, __raw_writeq(base_val | M_DM_DSCR_BASE_RESET,
(void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE))); IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
bus_writeq(base_val | M_DM_DSCR_BASE_ENABL, __raw_writeq(base_val | M_DM_DSCR_BASE_ENABL,
(void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE))); IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
} }
void clear_page(void *page) void clear_page(void *page)
@ -232,16 +232,16 @@ void clear_page(void *page)
page_descr[cpu].dscr_a = CPHYSADDR(page) | M_DM_DSCRA_ZERO_MEM | M_DM_DSCRA_L2C_DEST | M_DM_DSCRA_INTERRUPT; page_descr[cpu].dscr_a = CPHYSADDR(page) | M_DM_DSCRA_ZERO_MEM | M_DM_DSCRA_L2C_DEST | M_DM_DSCRA_INTERRUPT;
page_descr[cpu].dscr_b = V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE); page_descr[cpu].dscr_b = V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE);
bus_writeq(1, (void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT))); __raw_writeq(1, IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT)));
/* /*
* Don't really want to do it this way, but there's no * Don't really want to do it this way, but there's no
* reliable way to delay completion detection. * reliable way to delay completion detection.
*/ */
while (!(bus_readq((void *)(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)) & while (!(__raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)))
M_DM_DSCR_BASE_INTERRUPT)))) M_DM_DSCR_BASE_INTERRUPT)))
; ;
bus_readq((void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE))); __raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
} }
void copy_page(void *to, void *from) void copy_page(void *to, void *from)
@ -257,16 +257,16 @@ void copy_page(void *to, void *from)
page_descr[cpu].dscr_a = CPHYSADDR(to_phys) | M_DM_DSCRA_L2C_DEST | M_DM_DSCRA_INTERRUPT; page_descr[cpu].dscr_a = CPHYSADDR(to_phys) | M_DM_DSCRA_L2C_DEST | M_DM_DSCRA_INTERRUPT;
page_descr[cpu].dscr_b = CPHYSADDR(from_phys) | V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE); page_descr[cpu].dscr_b = CPHYSADDR(from_phys) | V_DM_DSCRB_SRC_LENGTH(PAGE_SIZE);
bus_writeq(1, (void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT))); __raw_writeq(1, IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_COUNT)));
/* /*
* Don't really want to do it this way, but there's no * Don't really want to do it this way, but there's no
* reliable way to delay completion detection. * reliable way to delay completion detection.
*/ */
while (!(bus_readq((void *)(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)) & while (!(__raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE_DEBUG)) &
M_DM_DSCR_BASE_INTERRUPT)))) M_DM_DSCR_BASE_INTERRUPT)))
; ;
bus_readq((void *)IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE))); __raw_readq(IOADDR(A_DM_REGISTER(cpu, R_DM_DSCR_BASE)));
} }
#else /* !CONFIG_SIBYTE_DMA_PAGEOPS */ #else /* !CONFIG_SIBYTE_DMA_PAGEOPS */

130
arch/mips/sibyte/sb1250/bcm1250_tbprof.c
View File

@ -65,24 +65,25 @@ static void arm_tb(void)
u_int64_t tb_options = M_SCD_TRACE_CFG_FREEZE_FULL; u_int64_t tb_options = M_SCD_TRACE_CFG_FREEZE_FULL;
/* Generate an SCD_PERFCNT interrupt in TB_PERIOD Zclks to /* Generate an SCD_PERFCNT interrupt in TB_PERIOD Zclks to
trigger start of trace. XXX vary sampling period */ trigger start of trace. XXX vary sampling period */
bus_writeq(0, IOADDR(A_SCD_PERF_CNT_1)); __raw_writeq(0, IOADDR(A_SCD_PERF_CNT_1));
scdperfcnt = bus_readq(IOADDR(A_SCD_PERF_CNT_CFG)); scdperfcnt = __raw_readq(IOADDR(A_SCD_PERF_CNT_CFG));
/* Unfortunately, in Pass 2 we must clear all counters to knock down /* Unfortunately, in Pass 2 we must clear all counters to knock down
a previous interrupt request. This means that bus profiling a previous interrupt request. This means that bus profiling
requires ALL of the SCD perf counters. */ requires ALL of the SCD perf counters. */
bus_writeq((scdperfcnt & ~M_SPC_CFG_SRC1) | // keep counters 0,2,3 as is __raw_writeq((scdperfcnt & ~M_SPC_CFG_SRC1) |
M_SPC_CFG_ENABLE | // enable counting // keep counters 0,2,3 as is
M_SPC_CFG_CLEAR | // clear all counters M_SPC_CFG_ENABLE | // enable counting
V_SPC_CFG_SRC1(1), // counter 1 counts cycles M_SPC_CFG_CLEAR | // clear all counters
IOADDR(A_SCD_PERF_CNT_CFG)); V_SPC_CFG_SRC1(1), // counter 1 counts cycles
bus_writeq(next, IOADDR(A_SCD_PERF_CNT_1)); IOADDR(A_SCD_PERF_CNT_CFG));
__raw_writeq(next, IOADDR(A_SCD_PERF_CNT_1));
/* Reset the trace buffer */ /* Reset the trace buffer */
bus_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG)); __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
#if 0 && defined(M_SCD_TRACE_CFG_FORCECNT) #if 0 && defined(M_SCD_TRACE_CFG_FORCECNT)
/* XXXKW may want to expose control to the data-collector */ /* XXXKW may want to expose control to the data-collector */
tb_options |= M_SCD_TRACE_CFG_FORCECNT; tb_options |= M_SCD_TRACE_CFG_FORCECNT;
#endif #endif
bus_writeq(tb_options, IOADDR(A_SCD_TRACE_CFG)); __raw_writeq(tb_options, IOADDR(A_SCD_TRACE_CFG));
sbp.tb_armed = 1; sbp.tb_armed = 1;
} }
@ -94,23 +95,30 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id, struct pt_regs *regs)
/* XXX should use XKPHYS to make writes bypass L2 */ /* XXX should use XKPHYS to make writes bypass L2 */
u_int64_t *p = sbp.sbprof_tbbuf[sbp.next_tb_sample++]; u_int64_t *p = sbp.sbprof_tbbuf[sbp.next_tb_sample++];
/* Read out trace */ /* Read out trace */
bus_writeq(M_SCD_TRACE_CFG_START_READ, IOADDR(A_SCD_TRACE_CFG)); __raw_writeq(M_SCD_TRACE_CFG_START_READ,
IOADDR(A_SCD_TRACE_CFG));
__asm__ __volatile__ ("sync" : : : "memory"); __asm__ __volatile__ ("sync" : : : "memory");
/* Loop runs backwards because bundles are read out in reverse order */ /* Loop runs backwards because bundles are read out in reverse order */
for (i = 256 * 6; i > 0; i -= 6) { for (i = 256 * 6; i > 0; i -= 6) {
// Subscripts decrease to put bundle in the order // Subscripts decrease to put bundle in the order
// t0 lo, t0 hi, t1 lo, t1 hi, t2 lo, t2 hi // t0 lo, t0 hi, t1 lo, t1 hi, t2 lo, t2 hi
p[i-1] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t2 hi p[i - 1] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
p[i-2] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t2 lo // read t2 hi
p[i-3] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t1 hi p[i - 2] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
p[i-4] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t1 lo // read t2 lo
p[i-5] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t0 hi p[i - 3] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
p[i-6] = bus_readq(IOADDR(A_SCD_TRACE_READ)); // read t0 lo // read t1 hi
p[i - 4] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
// read t1 lo
p[i - 5] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
// read t0 hi
p[i - 6] = __raw_readq(IOADDR(A_SCD_TRACE_READ));
// read t0 lo
} }
if (!sbp.tb_enable) { if (!sbp.tb_enable) {
DBG(printk(DEVNAME ": tb_intr shutdown\n")); DBG(printk(DEVNAME ": tb_intr shutdown\n"));
bus_writeq(M_SCD_TRACE_CFG_RESET, __raw_writeq(M_SCD_TRACE_CFG_RESET,
IOADDR(A_SCD_TRACE_CFG)); IOADDR(A_SCD_TRACE_CFG));
sbp.tb_armed = 0; sbp.tb_armed = 0;
wake_up(&sbp.tb_sync); wake_up(&sbp.tb_sync);
} else { } else {
@ -119,7 +127,7 @@ static irqreturn_t sbprof_tb_intr(int irq, void *dev_id, struct pt_regs *regs)
} else { } else {
/* No more trace buffer samples */ /* No more trace buffer samples */
DBG(printk(DEVNAME ": tb_intr full\n")); DBG(printk(DEVNAME ": tb_intr full\n"));
bus_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG)); __raw_writeq(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
sbp.tb_armed = 0; sbp.tb_armed = 0;
if (!sbp.tb_enable) { if (!sbp.tb_enable) {
wake_up(&sbp.tb_sync); wake_up(&sbp.tb_sync);
@ -153,13 +161,11 @@ int sbprof_zbprof_start(struct file *filp)
return -EBUSY; return -EBUSY;
} }
/* Make sure there isn't a perf-cnt interrupt waiting */ /* Make sure there isn't a perf-cnt interrupt waiting */
scdperfcnt = bus_readq(IOADDR(A_SCD_PERF_CNT_CFG)); scdperfcnt = __raw_readq(IOADDR(A_SCD_PERF_CNT_CFG));
/* Disable and clear counters, override SRC_1 */ /* Disable and clear counters, override SRC_1 */
bus_writeq((scdperfcnt & ~(M_SPC_CFG_SRC1 | M_SPC_CFG_ENABLE)) | __raw_writeq((scdperfcnt & ~(M_SPC_CFG_SRC1 | M_SPC_CFG_ENABLE)) |
M_SPC_CFG_ENABLE | M_SPC_CFG_ENABLE | M_SPC_CFG_CLEAR | V_SPC_CFG_SRC1(1),
M_SPC_CFG_CLEAR | IOADDR(A_SCD_PERF_CNT_CFG));
V_SPC_CFG_SRC1(1),
IOADDR(A_SCD_PERF_CNT_CFG));
/* We grab this interrupt to prevent others from trying to use /* We grab this interrupt to prevent others from trying to use
it, even though we don't want to service the interrupts it, even though we don't want to service the interrupts
@ -173,55 +179,55 @@ int sbprof_zbprof_start(struct file *filp)
/* I need the core to mask these, but the interrupt mapper to /* I need the core to mask these, but the interrupt mapper to
pass them through. I am exploiting my knowledge that pass them through. I am exploiting my knowledge that
cp0_status masks out IP[5]. krw */ cp0_status masks out IP[5]. krw */
bus_writeq(K_INT_MAP_I3, __raw_writeq(K_INT_MAP_I3,
IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
(K_INT_PERF_CNT << 3))); (K_INT_PERF_CNT << 3)));
/* Initialize address traps */ /* Initialize address traps */
bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_0)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_0));
bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_1)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_1));
bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_2)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_2));
bus_writeq(0, IOADDR(A_ADDR_TRAP_UP_3)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_UP_3));
bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_0)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_0));
bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_1)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_1));
bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_2)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_2));
bus_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_3)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_DOWN_3));
bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_0)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_0));
bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_1)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_1));
bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_2)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_2));
bus_writeq(0, IOADDR(A_ADDR_TRAP_CFG_3)); __raw_writeq(0, IOADDR(A_ADDR_TRAP_CFG_3));
/* Initialize Trace Event 0-7 */ /* Initialize Trace Event 0-7 */
// when interrupt // when interrupt
bus_writeq(M_SCD_TREVT_INTERRUPT, IOADDR(A_SCD_TRACE_EVENT_0)); __raw_writeq(M_SCD_TREVT_INTERRUPT, IOADDR(A_SCD_TRACE_EVENT_0));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_1)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_1));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_2)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_2));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_3)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_3));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_4)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_4));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_5)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_5));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_6)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_6));
bus_writeq(0, IOADDR(A_SCD_TRACE_EVENT_7)); __raw_writeq(0, IOADDR(A_SCD_TRACE_EVENT_7));
/* Initialize Trace Sequence 0-7 */ /* Initialize Trace Sequence 0-7 */
// Start on event 0 (interrupt) // Start on event 0 (interrupt)
bus_writeq(V_SCD_TRSEQ_FUNC_START | 0x0fff, __raw_writeq(V_SCD_TRSEQ_FUNC_START | 0x0fff,
IOADDR(A_SCD_TRACE_SEQUENCE_0)); IOADDR(A_SCD_TRACE_SEQUENCE_0));
// dsamp when d used | asamp when a used // dsamp when d used | asamp when a used
bus_writeq(M_SCD_TRSEQ_ASAMPLE | M_SCD_TRSEQ_DSAMPLE | __raw_writeq(M_SCD_TRSEQ_ASAMPLE | M_SCD_TRSEQ_DSAMPLE |
K_SCD_TRSEQ_TRIGGER_ALL, K_SCD_TRSEQ_TRIGGER_ALL,
IOADDR(A_SCD_TRACE_SEQUENCE_1)); IOADDR(A_SCD_TRACE_SEQUENCE_1));
bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_2)); __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_2));
bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_3)); __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_3));
bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_4)); __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_4));
bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_5)); __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_5));
bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_6)); __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_6));
bus_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_7)); __raw_writeq(0, IOADDR(A_SCD_TRACE_SEQUENCE_7));
/* Now indicate the PERF_CNT interrupt as a trace-relevant interrupt */ /* Now indicate the PERF_CNT interrupt as a trace-relevant interrupt */
bus_writeq((1ULL << K_INT_PERF_CNT), __raw_writeq(1ULL << K_INT_PERF_CNT,
IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_TRACE))); IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_TRACE)));
arm_tb(); arm_tb();

2
arch/mips/sibyte/sb1250/bus_watcher.c
View File

@ -189,7 +189,7 @@ static irqreturn_t sibyte_bw_int(int irq, void *data, struct pt_regs *regs)
for (i=0; i<256*6; i++) for (i=0; i<256*6; i++)
printk("%016llx\n", printk("%016llx\n",
(unsigned long long)bus_readq(IOADDR(A_SCD_TRACE_READ))); (long long)__raw_readq(IOADDR(A_SCD_TRACE_READ)));
csr_out32(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG)); csr_out32(M_SCD_TRACE_CFG_RESET, IOADDR(A_SCD_TRACE_CFG));
csr_out32(M_SCD_TRACE_CFG_START, IOADDR(A_SCD_TRACE_CFG)); csr_out32(M_SCD_TRACE_CFG_START, IOADDR(A_SCD_TRACE_CFG));

88
arch/mips/sibyte/sb1250/irq.c
View File

@ -96,11 +96,11 @@ void sb1250_mask_irq(int cpu, int irq)
u64 cur_ints; u64 cur_ints;
spin_lock_irqsave(&sb1250_imr_lock, flags); spin_lock_irqsave(&sb1250_imr_lock, flags);
cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(cpu) + cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
cur_ints |= (((u64) 1) << irq); cur_ints |= (((u64) 1) << irq);
__bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) + ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
spin_unlock_irqrestore(&sb1250_imr_lock, flags); spin_unlock_irqrestore(&sb1250_imr_lock, flags);
} }
@ -110,11 +110,11 @@ void sb1250_unmask_irq(int cpu, int irq)
u64 cur_ints; u64 cur_ints;
spin_lock_irqsave(&sb1250_imr_lock, flags); spin_lock_irqsave(&sb1250_imr_lock, flags);
cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(cpu) + cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
cur_ints &= ~(((u64) 1) << irq); cur_ints &= ~(((u64) 1) << irq);
__bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) + ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
spin_unlock_irqrestore(&sb1250_imr_lock, flags); spin_unlock_irqrestore(&sb1250_imr_lock, flags);
} }
@ -149,23 +149,23 @@ static void sb1250_set_affinity(unsigned int irq, unsigned long mask)
/* Swizzle each CPU's IMR (but leave the IP selection alone) */ /* Swizzle each CPU's IMR (but leave the IP selection alone) */
old_cpu = sb1250_irq_owner[irq]; old_cpu = sb1250_irq_owner[irq];
cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(old_cpu) + cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(old_cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
int_on = !(cur_ints & (((u64) 1) << irq)); int_on = !(cur_ints & (((u64) 1) << irq));
if (int_on) { if (int_on) {
/* If it was on, mask it */ /* If it was on, mask it */
cur_ints |= (((u64) 1) << irq); cur_ints |= (((u64) 1) << irq);
__bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(old_cpu) + ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(old_cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
} }
sb1250_irq_owner[irq] = cpu; sb1250_irq_owner[irq] = cpu;
if (int_on) { if (int_on) {
/* unmask for the new CPU */ /* unmask for the new CPU */
cur_ints = __bus_readq(IOADDR(A_IMR_MAPPER(cpu) + cur_ints = ____raw_readq(IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
cur_ints &= ~(((u64) 1) << irq); cur_ints &= ~(((u64) 1) << irq);
__bus_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) + ____raw_writeq(cur_ints, IOADDR(A_IMR_MAPPER(cpu) +
R_IMR_INTERRUPT_MASK)); R_IMR_INTERRUPT_MASK));
} }
spin_unlock(&sb1250_imr_lock); spin_unlock(&sb1250_imr_lock);
spin_unlock_irqrestore(&desc->lock, flags); spin_unlock_irqrestore(&desc->lock, flags);
@ -208,8 +208,8 @@ static void ack_sb1250_irq(unsigned int irq)
* deliver the interrupts to all CPUs (which makes affinity * deliver the interrupts to all CPUs (which makes affinity
* changing easier for us) * changing easier for us)
*/ */
pending = bus_readq(IOADDR(A_IMR_REGISTER(sb1250_irq_owner[irq], pending = __raw_readq(IOADDR(A_IMR_REGISTER(sb1250_irq_owner[irq],
R_IMR_LDT_INTERRUPT))); R_IMR_LDT_INTERRUPT)));
pending &= ((u64)1 << (irq)); pending &= ((u64)1 << (irq));
if (pending) { if (pending) {
int i; int i;
@ -224,8 +224,8 @@ static void ack_sb1250_irq(unsigned int irq)
* Clear for all CPUs so an affinity switch * Clear for all CPUs so an affinity switch
* doesn't find an old status * doesn't find an old status
*/ */
bus_writeq(pending, __raw_writeq(pending,
IOADDR(A_IMR_REGISTER(cpu, IOADDR(A_IMR_REGISTER(cpu,
R_IMR_LDT_INTERRUPT_CLR))); R_IMR_LDT_INTERRUPT_CLR)));
} }
@ -340,12 +340,14 @@ void __init arch_init_irq(void)
/* Default everything to IP2 */ /* Default everything to IP2 */
for (i = 0; i < SB1250_NR_IRQS; i++) { /* was I0 */ for (i = 0; i < SB1250_NR_IRQS; i++) { /* was I0 */
bus_writeq(IMR_IP2_VAL, __raw_writeq(IMR_IP2_VAL,
IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + IOADDR(A_IMR_REGISTER(0,
(i << 3))); R_IMR_INTERRUPT_MAP_BASE) +
bus_writeq(IMR_IP2_VAL, (i << 3)));
IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MAP_BASE) + __raw_writeq(IMR_IP2_VAL,
(i << 3))); IOADDR(A_IMR_REGISTER(1,
R_IMR_INTERRUPT_MAP_BASE) +
(i << 3)));
} }
init_sb1250_irqs(); init_sb1250_irqs();
@ -355,23 +357,23 @@ void __init arch_init_irq(void)
* inter-cpu messages * inter-cpu messages
*/ */
/* Was I1 */ /* Was I1 */
bus_writeq(IMR_IP3_VAL, __raw_writeq(IMR_IP3_VAL,
IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) +
(K_INT_MBOX_0 << 3))); (K_INT_MBOX_0 << 3)));
bus_writeq(IMR_IP3_VAL, __raw_writeq(IMR_IP3_VAL,
IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MAP_BASE) + IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MAP_BASE) +
(K_INT_MBOX_0 << 3))); (K_INT_MBOX_0 << 3)));
/* Clear the mailboxes. The firmware may leave them dirty */ /* Clear the mailboxes. The firmware may leave them dirty */
bus_writeq(0xffffffffffffffffULL, __raw_writeq(0xffffffffffffffffULL,
IOADDR(A_IMR_REGISTER(0, R_IMR_MAILBOX_CLR_CPU))); IOADDR(A_IMR_REGISTER(0, R_IMR_MAILBOX_CLR_CPU)));
bus_writeq(0xffffffffffffffffULL, __raw_writeq(0xffffffffffffffffULL,
IOADDR(A_IMR_REGISTER(1, R_IMR_MAILBOX_CLR_CPU))); IOADDR(A_IMR_REGISTER(1, R_IMR_MAILBOX_CLR_CPU)));
/* Mask everything except the mailbox registers for both cpus */ /* Mask everything except the mailbox registers for both cpus */
tmp = ~((u64) 0) ^ (((u64) 1) << K_INT_MBOX_0); tmp = ~((u64) 0) ^ (((u64) 1) << K_INT_MBOX_0);
bus_writeq(tmp, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MASK))); __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MASK)));
bus_writeq(tmp, IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MASK))); __raw_writeq(tmp, IOADDR(A_IMR_REGISTER(1, R_IMR_INTERRUPT_MASK)));
sb1250_steal_irq(K_INT_MBOX_0); sb1250_steal_irq(K_INT_MBOX_0);
@ -396,12 +398,14 @@ void __init arch_init_irq(void)
sb1250_duart_present[kgdb_port] = 0; sb1250_duart_present[kgdb_port] = 0;
#endif #endif
/* Setup uart 1 settings, mapper */ /* Setup uart 1 settings, mapper */
bus_writeq(M_DUART_IMR_BRK, IOADDR(A_DUART_IMRREG(kgdb_port))); __raw_writeq(M_DUART_IMR_BRK,
IOADDR(A_DUART_IMRREG(kgdb_port)));
sb1250_steal_irq(kgdb_irq); sb1250_steal_irq(kgdb_irq);
bus_writeq(IMR_IP6_VAL, __raw_writeq(IMR_IP6_VAL,
IOADDR(A_IMR_REGISTER(0, R_IMR_INTERRUPT_MAP_BASE) + IOADDR(A_IMR_REGISTER(0,
(kgdb_irq<<3))); R_IMR_INTERRUPT_MAP_BASE) +
(kgdb_irq << 3)));
sb1250_unmask_irq(0, kgdb_irq); sb1250_unmask_irq(0, kgdb_irq);
} }
#endif #endif

4
arch/mips/sibyte/sb1250/setup.c
View File

@ -153,7 +153,7 @@ void sb1250_setup(void)
int bad_config = 0; int bad_config = 0;
sb1_pass = read_c0_prid() & 0xff; sb1_pass = read_c0_prid() & 0xff;
sys_rev = bus_readq(IOADDR(A_SCD_SYSTEM_REVISION)); sys_rev = __raw_readq(IOADDR(A_SCD_SYSTEM_REVISION));
soc_type = SYS_SOC_TYPE(sys_rev); soc_type = SYS_SOC_TYPE(sys_rev);
soc_pass = G_SYS_REVISION(sys_rev); soc_pass = G_SYS_REVISION(sys_rev);
@ -162,7 +162,7 @@ void sb1250_setup(void)
machine_restart(NULL); machine_restart(NULL);
} }
plldiv = G_SYS_PLL_DIV(bus_readq(IOADDR(A_SCD_SYSTEM_CFG))); plldiv = G_SYS_PLL_DIV(__raw_readq(IOADDR(A_SCD_SYSTEM_CFG)));
zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25); zbbus_mhz = ((plldiv >> 1) * 50) + ((plldiv & 1) * 25);
prom_printf("Broadcom SiByte %s %s @ %d MHz (SB1 rev %d)\n", prom_printf("Broadcom SiByte %s %s @ %d MHz (SB1 rev %d)\n",

18
arch/mips/sibyte/sb1250/smp.c
View File

@ -29,18 +29,18 @@
#include <asm/sibyte/sb1250_int.h> #include <asm/sibyte/sb1250_int.h>
static void *mailbox_set_regs[] = { static void *mailbox_set_regs[] = {
(void *)IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_SET_CPU), IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_SET_CPU),
(void *)IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_SET_CPU) IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_SET_CPU)
}; };
static void *mailbox_clear_regs[] = { static void *mailbox_clear_regs[] = {
(void *)IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CLR_CPU), IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CLR_CPU),
(void *)IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CLR_CPU) IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CLR_CPU)
}; };
static void *mailbox_regs[] = { static void *mailbox_regs[] = {
(void *)IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CPU), IOADDR(A_IMR_CPU0_BASE + R_IMR_MAILBOX_CPU),
(void *)IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CPU) IOADDR(A_IMR_CPU1_BASE + R_IMR_MAILBOX_CPU)
}; };
/* /*
@ -73,7 +73,7 @@ void sb1250_smp_finish(void)
*/ */
void core_send_ipi(int cpu, unsigned int action) void core_send_ipi(int cpu, unsigned int action)
{ {
bus_writeq((((u64)action) << 48), mailbox_set_regs[cpu]); __raw_writeq((((u64)action) << 48), mailbox_set_regs[cpu]);
} }
void sb1250_mailbox_interrupt(struct pt_regs *regs) void sb1250_mailbox_interrupt(struct pt_regs *regs)
@ -83,10 +83,10 @@ void sb1250_mailbox_interrupt(struct pt_regs *regs)
kstat_this_cpu.irqs[K_INT_MBOX_0]++; kstat_this_cpu.irqs[K_INT_MBOX_0]++;
/* Load the mailbox register to figure out what we're supposed to do */ /* Load the mailbox register to figure out what we're supposed to do */
action = (__bus_readq(mailbox_regs[cpu]) >> 48) & 0xffff; action = (____raw_readq(mailbox_regs[cpu]) >> 48) & 0xffff;
/* Clear the mailbox to clear the interrupt */ /* Clear the mailbox to clear the interrupt */
__bus_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]); ____raw_writeq(((u64)action) << 48, mailbox_clear_regs[cpu]);
/* /*
* Nothing to do for SMP_RESCHEDULE_YOURSELF; returning from the * Nothing to do for SMP_RESCHEDULE_YOURSELF; returning from the

26
arch/mips/sibyte/sb1250/time.c
View File

@ -67,24 +67,24 @@ void sb1250_time_init(void)
sb1250_mask_irq(cpu, irq); sb1250_mask_irq(cpu, irq);
/* Map the timer interrupt to ip[4] of this cpu */ /* Map the timer interrupt to ip[4] of this cpu */
bus_writeq(IMR_IP4_VAL, __raw_writeq(IMR_IP4_VAL,
IOADDR(A_IMR_REGISTER(cpu, R_IMR_INTERRUPT_MAP_BASE) + IOADDR(A_IMR_REGISTER(cpu, R_IMR_INTERRUPT_MAP_BASE) +
(irq << 3))); (irq << 3)));
/* the general purpose timer ticks at 1 Mhz independent if the rest of the system */ /* the general purpose timer ticks at 1 Mhz independent if the rest of the system */
/* Disable the timer and set up the count */ /* Disable the timer and set up the count */
bus_writeq(0, IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG))); __raw_writeq(0, IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
#ifdef CONFIG_SIMULATION #ifdef CONFIG_SIMULATION
bus_writeq(50000 / HZ, __raw_writeq(50000 / HZ,
IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT))); IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT)));
#else #else
bus_writeq(1000000/HZ, __raw_writeq(1000000 / HZ,
IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT))); IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_INIT)));
#endif #endif
/* Set the timer running */ /* Set the timer running */
bus_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS, __raw_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS,
IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG))); IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
sb1250_unmask_irq(cpu, irq); sb1250_unmask_irq(cpu, irq);
sb1250_steal_irq(irq); sb1250_steal_irq(irq);
@ -105,8 +105,8 @@ void sb1250_timer_interrupt(struct pt_regs *regs)
int irq = K_INT_TIMER_0 + cpu; int irq = K_INT_TIMER_0 + cpu;
/* Reset the timer */ /* Reset the timer */
__bus_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS, ____raw_writeq(M_SCD_TIMER_ENABLE | M_SCD_TIMER_MODE_CONTINUOUS,
IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG))); IOADDR(A_SCD_TIMER_REGISTER(cpu, R_SCD_TIMER_CFG)));
/* /*
* CPU 0 handles the global timer interrupt job * CPU 0 handles the global timer interrupt job
@ -130,7 +130,7 @@ void sb1250_timer_interrupt(struct pt_regs *regs)
unsigned long sb1250_gettimeoffset(void) unsigned long sb1250_gettimeoffset(void)
{ {
unsigned long count = unsigned long count =
bus_readq(IOADDR(A_SCD_TIMER_REGISTER(0, R_SCD_TIMER_CNT))); __raw_readq(IOADDR(A_SCD_TIMER_REGISTER(0, R_SCD_TIMER_CNT)));
return 1000000/HZ - count; return 1000000/HZ - count;
} }

47
arch/mips/sibyte/swarm/rtc_m41t81.c
View File

@ -82,59 +82,60 @@
#define M41T81REG_SQW 0x13 /* square wave register */ #define M41T81REG_SQW 0x13 /* square wave register */
#define M41T81_CCR_ADDRESS 0x68 #define M41T81_CCR_ADDRESS 0x68
#define SMB_CSR(reg) ((u8 *) (IOADDR(A_SMB_REGISTER(1, reg))))
#define SMB_CSR(reg) IOADDR(A_SMB_REGISTER(1, reg))
static int m41t81_read(uint8_t addr) static int m41t81_read(uint8_t addr)
{ {
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq(addr & 0xff, SMB_CSR(R_SMB_CMD)); __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_CMD));
bus_writeq((V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR1BYTE), __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR1BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq((V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE), __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) { if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */ /* Clear error bit by writing a 1 */
bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS)); __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1; return -1;
} }
return (bus_readq(SMB_CSR(R_SMB_DATA)) & 0xff); return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
} }
static int m41t81_write(uint8_t addr, int b) static int m41t81_write(uint8_t addr, int b)
{ {
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq((addr & 0xFF), SMB_CSR(R_SMB_CMD)); __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_CMD));
bus_writeq((b & 0xff), SMB_CSR(R_SMB_DATA)); __raw_writeq(b & 0xff, SMB_CSR(R_SMB_DATA));
bus_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR2BYTE, __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) { if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */ /* Clear error bit by writing a 1 */
bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS)); __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1; return -1;
} }
/* read the same byte again to make sure it is written */ /* read the same byte again to make sure it is written */
bus_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE, __raw_writeq(V_SMB_ADDR(M41T81_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
return 0; return 0;

42
arch/mips/sibyte/swarm/rtc_xicor1241.c
View File

@ -57,52 +57,52 @@
#define X1241_CCR_ADDRESS 0x6F #define X1241_CCR_ADDRESS 0x6F
#define SMB_CSR(reg) ((u8 *) (IOADDR(A_SMB_REGISTER(1, reg)))) #define SMB_CSR(reg) IOADDR(A_SMB_REGISTER(1, reg))
static int xicor_read(uint8_t addr) static int xicor_read(uint8_t addr)
{ {
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD)); __raw_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
bus_writeq((addr & 0xff), SMB_CSR(R_SMB_DATA)); __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_DATA));
bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE), __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE), __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) { if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */ /* Clear error bit by writing a 1 */
bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS)); __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1; return -1;
} }
return (bus_readq(SMB_CSR(R_SMB_DATA)) & 0xff); return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
} }
static int xicor_write(uint8_t addr, int b) static int xicor_write(uint8_t addr, int b)
{ {
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq(addr, SMB_CSR(R_SMB_CMD)); __raw_writeq(addr, SMB_CSR(R_SMB_CMD));
bus_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA)); __raw_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
bus_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE, __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) { if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */ /* Clear error bit by writing a 1 */
bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS)); __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1; return -1;
} else { } else {
return 0; return 0;

44
arch/mips/sibyte/swarm/time.c
View File

@ -79,48 +79,48 @@ static unsigned int usec_bias = 0;
static int xicor_read(uint8_t addr) static int xicor_read(uint8_t addr)
{ {
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD)); __raw_writeq((addr >> 8) & 0x7, SMB_CSR(R_SMB_CMD));
bus_writeq((addr & 0xff), SMB_CSR(R_SMB_DATA)); __raw_writeq(addr & 0xff, SMB_CSR(R_SMB_DATA));
bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE), __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR2BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq((V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE), __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_RD1BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) { if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */ /* Clear error bit by writing a 1 */
bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS)); __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1; return -1;
} }
return (bus_readq(SMB_CSR(R_SMB_DATA)) & 0xff); return (__raw_readq(SMB_CSR(R_SMB_DATA)) & 0xff);
} }
static int xicor_write(uint8_t addr, int b) static int xicor_write(uint8_t addr, int b)
{ {
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
bus_writeq(addr, SMB_CSR(R_SMB_CMD)); __raw_writeq(addr, SMB_CSR(R_SMB_CMD));
bus_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA)); __raw_writeq((addr & 0xff) | ((b & 0xff) << 8), SMB_CSR(R_SMB_DATA));
bus_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE, __raw_writeq(V_SMB_ADDR(X1241_CCR_ADDRESS) | V_SMB_TT_WR3BYTE,
SMB_CSR(R_SMB_START)); SMB_CSR(R_SMB_START));
while (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY) while (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_BUSY)
; ;
if (bus_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) { if (__raw_readq(SMB_CSR(R_SMB_STATUS)) & M_SMB_ERROR) {
/* Clear error bit by writing a 1 */ /* Clear error bit by writing a 1 */
bus_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS)); __raw_writeq(M_SMB_ERROR, SMB_CSR(R_SMB_STATUS));
return -1; return -1;
} else { } else {
return 0; return 0;
@ -228,8 +228,8 @@ void __init swarm_time_init(void)
/* Establish communication with the Xicor 1241 RTC */ /* Establish communication with the Xicor 1241 RTC */
/* XXXKW how do I share the SMBus with the I2C subsystem? */ /* XXXKW how do I share the SMBus with the I2C subsystem? */
bus_writeq(K_SMB_FREQ_400KHZ, SMB_CSR(R_SMB_FREQ)); __raw_writeq(K_SMB_FREQ_400KHZ, SMB_CSR(R_SMB_FREQ));
bus_writeq(0, SMB_CSR(R_SMB_CONTROL)); __raw_writeq(0, SMB_CSR(R_SMB_CONTROL));
if ((status = xicor_read(X1241REG_SR_RTCF)) < 0) { if ((status = xicor_read(X1241REG_SR_RTCF)) < 0) {
printk("x1241: couldn't detect on SWARM SMBus 1\n"); printk("x1241: couldn't detect on SWARM SMBus 1\n");

2
include/asm-mips/sibyte/sb1250.h
View File

@ -58,6 +58,6 @@ extern void prom_printf(char *fmt, ...);
#endif #endif
#define IOADDR(a) (IO_BASE + (a)) #define IOADDR(a) ((void *)(IO_BASE + (a)))
#endif #endif