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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-11 08:27:49 +0000
commitace9429bb58fd418f0c81d4c2835699bddf6bde6 (patch)
treeb2d64bc10158fdd5497876388cd68142ca374ed3 /arch/sparc/include/asm/obio.h
parentInitial commit. (diff)
downloadlinux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.tar.xz
linux-ace9429bb58fd418f0c81d4c2835699bddf6bde6.zip
Adding upstream version 6.6.15.upstream/6.6.15
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/sparc/include/asm/obio.h')
-rw-r--r--arch/sparc/include/asm/obio.h226
1 files changed, 226 insertions, 0 deletions
diff --git a/arch/sparc/include/asm/obio.h b/arch/sparc/include/asm/obio.h
new file mode 100644
index 0000000000..1b151f738b
--- /dev/null
+++ b/arch/sparc/include/asm/obio.h
@@ -0,0 +1,226 @@
+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * obio.h: Some useful locations in 0xFXXXXXXXX PA obio space on sun4d.
+ *
+ * Copyright (C) 1997 Jakub Jelinek <jj@sunsite.mff.cuni.cz>
+ */
+
+#ifndef _SPARC_OBIO_H
+#define _SPARC_OBIO_H
+
+#include <asm/asi.h>
+
+/* This weird monster likes to use the very upper parts of
+ 36bit PA for these things :) */
+
+/* CSR space (for each XDBUS)
+ * ------------------------------------------------------------------------
+ * | 0xFE | DEVID | | XDBUS ID | |
+ * ------------------------------------------------------------------------
+ * 35 28 27 20 19 10 9 8 7 0
+ */
+
+#define CSR_BASE_ADDR 0xe0000000
+#define CSR_CPU_SHIFT (32 - 4 - 5)
+#define CSR_XDBUS_SHIFT 8
+
+#define CSR_BASE(cpu) (((CSR_BASE_ADDR >> CSR_CPU_SHIFT) + cpu) << CSR_CPU_SHIFT)
+
+/* ECSR space (not for each XDBUS)
+ * ------------------------------------------------------------------------
+ * | 0xF | DEVID[7:1] | |
+ * ------------------------------------------------------------------------
+ * 35 32 31 25 24 0
+ */
+
+#define ECSR_BASE_ADDR 0x00000000
+#define ECSR_CPU_SHIFT (32 - 5)
+#define ECSR_DEV_SHIFT (32 - 8)
+
+#define ECSR_BASE(cpu) ((cpu) << ECSR_CPU_SHIFT)
+#define ECSR_DEV_BASE(devid) ((devid) << ECSR_DEV_SHIFT)
+
+/* Bus Watcher */
+#define BW_LOCAL_BASE 0xfff00000
+
+#define BW_CID 0x00000000
+#define BW_DBUS_CTRL 0x00000008
+#define BW_DBUS_DATA 0x00000010
+#define BW_CTRL 0x00001000
+#define BW_INTR_TABLE 0x00001040
+#define BW_INTR_TABLE_CLEAR 0x00001080
+#define BW_PRESCALER 0x000010c0
+#define BW_PTIMER_LIMIT 0x00002000
+#define BW_PTIMER_COUNTER2 0x00002004
+#define BW_PTIMER_NDLIMIT 0x00002008
+#define BW_PTIMER_CTRL 0x0000200c
+#define BW_PTIMER_COUNTER 0x00002010
+#define BW_TIMER_LIMIT 0x00003000
+#define BW_TIMER_COUNTER2 0x00003004
+#define BW_TIMER_NDLIMIT 0x00003008
+#define BW_TIMER_CTRL 0x0000300c
+#define BW_TIMER_COUNTER 0x00003010
+
+/* BW Control */
+#define BW_CTRL_USER_TIMER 0x00000004 /* Is User Timer Free run enabled */
+
+/* Boot Bus */
+#define BB_LOCAL_BASE 0xf0000000
+
+#define BB_STAT1 0x00100000
+#define BB_STAT2 0x00120000
+#define BB_STAT3 0x00140000
+#define BB_LEDS 0x002e0000
+
+/* Bits in BB_STAT2 */
+#define BB_STAT2_AC_INTR 0x04 /* Aiee! 5ms and power is gone... */
+#define BB_STAT2_TMP_INTR 0x10 /* My Penguins are burning. Are you able to smell it? */
+#define BB_STAT2_FAN_INTR 0x20 /* My fan refuses to work */
+#define BB_STAT2_PWR_INTR 0x40 /* On SC2000, one of the two ACs died. Ok, we go on... */
+#define BB_STAT2_MASK (BB_STAT2_AC_INTR|BB_STAT2_TMP_INTR|BB_STAT2_FAN_INTR|BB_STAT2_PWR_INTR)
+
+/* Cache Controller */
+#define CC_BASE 0x1F00000
+#define CC_DATSTREAM 0x1F00000 /* Data stream register */
+#define CC_DATSIZE 0x1F0003F /* Size */
+#define CC_SRCSTREAM 0x1F00100 /* Source stream register */
+#define CC_DESSTREAM 0x1F00200 /* Destination stream register */
+#define CC_RMCOUNT 0x1F00300 /* Count of references and misses */
+#define CC_IPEN 0x1F00406 /* Pending Interrupts */
+#define CC_IMSK 0x1F00506 /* Interrupt Mask */
+#define CC_ICLR 0x1F00606 /* Clear pending Interrupts */
+#define CC_IGEN 0x1F00704 /* Generate Interrupt register */
+#define CC_STEST 0x1F00804 /* Internal self-test */
+#define CC_CREG 0x1F00A04 /* Control register */
+#define CC_SREG 0x1F00B00 /* Status register */
+#define CC_RREG 0x1F00C04 /* Reset register */
+#define CC_EREG 0x1F00E00 /* Error code register */
+#define CC_CID 0x1F00F04 /* Component ID */
+
+#ifndef __ASSEMBLY__
+
+static inline int bw_get_intr_mask(int sbus_level)
+{
+ int mask;
+
+ __asm__ __volatile__ ("lduha [%1] %2, %0" :
+ "=r" (mask) :
+ "r" (BW_LOCAL_BASE + BW_INTR_TABLE + (sbus_level << 3)),
+ "i" (ASI_M_CTL));
+ return mask;
+}
+
+static inline void bw_clear_intr_mask(int sbus_level, int mask)
+{
+ __asm__ __volatile__ ("stha %0, [%1] %2" : :
+ "r" (mask),
+ "r" (BW_LOCAL_BASE + BW_INTR_TABLE_CLEAR + (sbus_level << 3)),
+ "i" (ASI_M_CTL));
+}
+
+static inline unsigned int bw_get_prof_limit(int cpu)
+{
+ unsigned int limit;
+
+ __asm__ __volatile__ ("lda [%1] %2, %0" :
+ "=r" (limit) :
+ "r" (CSR_BASE(cpu) + BW_PTIMER_LIMIT),
+ "i" (ASI_M_CTL));
+ return limit;
+}
+
+static inline void bw_set_prof_limit(int cpu, unsigned int limit)
+{
+ __asm__ __volatile__ ("sta %0, [%1] %2" : :
+ "r" (limit),
+ "r" (CSR_BASE(cpu) + BW_PTIMER_LIMIT),
+ "i" (ASI_M_CTL));
+}
+
+static inline unsigned int bw_get_ctrl(int cpu)
+{
+ unsigned int ctrl;
+
+ __asm__ __volatile__ ("lda [%1] %2, %0" :
+ "=r" (ctrl) :
+ "r" (CSR_BASE(cpu) + BW_CTRL),
+ "i" (ASI_M_CTL));
+ return ctrl;
+}
+
+static inline void bw_set_ctrl(int cpu, unsigned int ctrl)
+{
+ __asm__ __volatile__ ("sta %0, [%1] %2" : :
+ "r" (ctrl),
+ "r" (CSR_BASE(cpu) + BW_CTRL),
+ "i" (ASI_M_CTL));
+}
+
+static inline unsigned int cc_get_ipen(void)
+{
+ unsigned int pending;
+
+ __asm__ __volatile__ ("lduha [%1] %2, %0" :
+ "=r" (pending) :
+ "r" (CC_IPEN),
+ "i" (ASI_M_MXCC));
+ return pending;
+}
+
+static inline void cc_set_iclr(unsigned int clear)
+{
+ __asm__ __volatile__ ("stha %0, [%1] %2" : :
+ "r" (clear),
+ "r" (CC_ICLR),
+ "i" (ASI_M_MXCC));
+}
+
+static inline unsigned int cc_get_imsk(void)
+{
+ unsigned int mask;
+
+ __asm__ __volatile__ ("lduha [%1] %2, %0" :
+ "=r" (mask) :
+ "r" (CC_IMSK),
+ "i" (ASI_M_MXCC));
+ return mask;
+}
+
+static inline void cc_set_imsk(unsigned int mask)
+{
+ __asm__ __volatile__ ("stha %0, [%1] %2" : :
+ "r" (mask),
+ "r" (CC_IMSK),
+ "i" (ASI_M_MXCC));
+}
+
+static inline unsigned int cc_get_imsk_other(int cpuid)
+{
+ unsigned int mask;
+
+ __asm__ __volatile__ ("lduha [%1] %2, %0" :
+ "=r" (mask) :
+ "r" (ECSR_BASE(cpuid) | CC_IMSK),
+ "i" (ASI_M_CTL));
+ return mask;
+}
+
+static inline void cc_set_imsk_other(int cpuid, unsigned int mask)
+{
+ __asm__ __volatile__ ("stha %0, [%1] %2" : :
+ "r" (mask),
+ "r" (ECSR_BASE(cpuid) | CC_IMSK),
+ "i" (ASI_M_CTL));
+}
+
+static inline void cc_set_igen(unsigned int gen)
+{
+ __asm__ __volatile__ ("sta %0, [%1] %2" : :
+ "r" (gen),
+ "r" (CC_IGEN),
+ "i" (ASI_M_MXCC));
+}
+
+#endif /* !__ASSEMBLY__ */
+
+#endif /* !(_SPARC_OBIO_H) */