Linux-2.6.12-rc2
Initial git repository build. I'm not bothering with the full history,
even though we have it. We can create a separate "historical" git
archive of that later if we want to, and in the meantime it's about
3.2GB when imported into git - space that would just make the early
git days unnecessarily complicated, when we don't have a lot of good
infrastructure for it.
Let it rip!
diff --git a/include/asm-alpha/core_cia.h b/include/asm-alpha/core_cia.h
new file mode 100644
index 0000000..3a70d68
--- /dev/null
+++ b/include/asm-alpha/core_cia.h
@@ -0,0 +1,501 @@
+#ifndef __ALPHA_CIA__H__
+#define __ALPHA_CIA__H__
+
+/* Define to experiment with fitting everything into one 512MB HAE window. */
+#define CIA_ONE_HAE_WINDOW 1
+
+#include <linux/config.h>
+#include <linux/types.h>
+#include <asm/compiler.h>
+
+/*
+ * CIA is the internal name for the 21171 chipset which provides
+ * memory controller and PCI access for the 21164 chip based systems.
+ * Also supported here is the 21172 (CIA-2) and 21174 (PYXIS).
+ *
+ * The lineage is a bit confused, since the 21174 was reportedly started
+ * from the 21171 Pass 1 mask, and so is missing bug fixes that appear
+ * in 21171 Pass 2 and 21172, but it also contains additional features.
+ *
+ * This file is based on:
+ *
+ * DECchip 21171 Core Logic Chipset
+ * Technical Reference Manual
+ *
+ * EC-QE18B-TE
+ *
+ * david.rusling@reo.mts.dec.com Initial Version.
+ *
+ */
+
+/*
+ * CIA ADDRESS BIT DEFINITIONS
+ *
+ * 3333 3333 3322 2222 2222 1111 1111 11
+ * 9876 5432 1098 7654 3210 9876 5432 1098 7654 3210
+ * ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
+ * 1 000
+ * ---- ---- ---- ---- ---- ---- ---- ---- ---- ----
+ * | |\|
+ * | Byte Enable --+ |
+ * | Transfer Length --+
+ * +-- IO space, not cached
+ *
+ * Byte Transfer
+ * Enable Length Transfer Byte Address
+ * adr<6:5> adr<4:3> Length Enable Adder
+ * ---------------------------------------------
+ * 00 00 Byte 1110 0x000
+ * 01 00 Byte 1101 0x020
+ * 10 00 Byte 1011 0x040
+ * 11 00 Byte 0111 0x060
+ *
+ * 00 01 Word 1100 0x008
+ * 01 01 Word 1001 0x028 <= Not supported in this code.
+ * 10 01 Word 0011 0x048
+ *
+ * 00 10 Tribyte 1000 0x010
+ * 01 10 Tribyte 0001 0x030
+ *
+ * 10 11 Longword 0000 0x058
+ *
+ * Note that byte enables are asserted low.
+ *
+ */
+
+#define CIA_MEM_R1_MASK 0x1fffffff /* SPARSE Mem region 1 mask is 29 bits */
+#define CIA_MEM_R2_MASK 0x07ffffff /* SPARSE Mem region 2 mask is 27 bits */
+#define CIA_MEM_R3_MASK 0x03ffffff /* SPARSE Mem region 3 mask is 26 bits */
+
+/*
+ * 21171-CA Control and Status Registers
+ */
+#define CIA_IOC_CIA_REV (IDENT_ADDR + 0x8740000080UL)
+# define CIA_REV_MASK 0xff
+#define CIA_IOC_PCI_LAT (IDENT_ADDR + 0x87400000C0UL)
+#define CIA_IOC_CIA_CTRL (IDENT_ADDR + 0x8740000100UL)
+# define CIA_CTRL_PCI_EN (1 << 0)
+# define CIA_CTRL_PCI_LOCK_EN (1 << 1)
+# define CIA_CTRL_PCI_LOOP_EN (1 << 2)
+# define CIA_CTRL_FST_BB_EN (1 << 3)
+# define CIA_CTRL_PCI_MST_EN (1 << 4)
+# define CIA_CTRL_PCI_MEM_EN (1 << 5)
+# define CIA_CTRL_PCI_REQ64_EN (1 << 6)
+# define CIA_CTRL_PCI_ACK64_EN (1 << 7)
+# define CIA_CTRL_ADDR_PE_EN (1 << 8)
+# define CIA_CTRL_PERR_EN (1 << 9)
+# define CIA_CTRL_FILL_ERR_EN (1 << 10)
+# define CIA_CTRL_MCHK_ERR_EN (1 << 11)
+# define CIA_CTRL_ECC_CHK_EN (1 << 12)
+# define CIA_CTRL_ASSERT_IDLE_BC (1 << 13)
+# define CIA_CTRL_COM_IDLE_BC (1 << 14)
+# define CIA_CTRL_CSR_IOA_BYPASS (1 << 15)
+# define CIA_CTRL_IO_FLUSHREQ_EN (1 << 16)
+# define CIA_CTRL_CPU_FLUSHREQ_EN (1 << 17)
+# define CIA_CTRL_ARB_CPU_EN (1 << 18)
+# define CIA_CTRL_EN_ARB_LINK (1 << 19)
+# define CIA_CTRL_RD_TYPE_SHIFT 20
+# define CIA_CTRL_RL_TYPE_SHIFT 24
+# define CIA_CTRL_RM_TYPE_SHIFT 28
+# define CIA_CTRL_EN_DMA_RD_PERF (1 << 31)
+#define CIA_IOC_CIA_CNFG (IDENT_ADDR + 0x8740000140UL)
+# define CIA_CNFG_IOA_BWEN (1 << 0)
+# define CIA_CNFG_PCI_MWEN (1 << 4)
+# define CIA_CNFG_PCI_DWEN (1 << 5)
+# define CIA_CNFG_PCI_WLEN (1 << 8)
+#define CIA_IOC_FLASH_CTRL (IDENT_ADDR + 0x8740000200UL)
+#define CIA_IOC_HAE_MEM (IDENT_ADDR + 0x8740000400UL)
+#define CIA_IOC_HAE_IO (IDENT_ADDR + 0x8740000440UL)
+#define CIA_IOC_CFG (IDENT_ADDR + 0x8740000480UL)
+#define CIA_IOC_CACK_EN (IDENT_ADDR + 0x8740000600UL)
+# define CIA_CACK_EN_LOCK_EN (1 << 0)
+# define CIA_CACK_EN_MB_EN (1 << 1)
+# define CIA_CACK_EN_SET_DIRTY_EN (1 << 2)
+# define CIA_CACK_EN_BC_VICTIM_EN (1 << 3)
+
+
+/*
+ * 21171-CA Diagnostic Registers
+ */
+#define CIA_IOC_CIA_DIAG (IDENT_ADDR + 0x8740002000UL)
+#define CIA_IOC_DIAG_CHECK (IDENT_ADDR + 0x8740003000UL)
+
+/*
+ * 21171-CA Performance Monitor registers
+ */
+#define CIA_IOC_PERF_MONITOR (IDENT_ADDR + 0x8740004000UL)
+#define CIA_IOC_PERF_CONTROL (IDENT_ADDR + 0x8740004040UL)
+
+/*
+ * 21171-CA Error registers
+ */
+#define CIA_IOC_CPU_ERR0 (IDENT_ADDR + 0x8740008000UL)
+#define CIA_IOC_CPU_ERR1 (IDENT_ADDR + 0x8740008040UL)
+#define CIA_IOC_CIA_ERR (IDENT_ADDR + 0x8740008200UL)
+# define CIA_ERR_COR_ERR (1 << 0)
+# define CIA_ERR_UN_COR_ERR (1 << 1)
+# define CIA_ERR_CPU_PE (1 << 2)
+# define CIA_ERR_MEM_NEM (1 << 3)
+# define CIA_ERR_PCI_SERR (1 << 4)
+# define CIA_ERR_PERR (1 << 5)
+# define CIA_ERR_PCI_ADDR_PE (1 << 6)
+# define CIA_ERR_RCVD_MAS_ABT (1 << 7)
+# define CIA_ERR_RCVD_TAR_ABT (1 << 8)
+# define CIA_ERR_PA_PTE_INV (1 << 9)
+# define CIA_ERR_FROM_WRT_ERR (1 << 10)
+# define CIA_ERR_IOA_TIMEOUT (1 << 11)
+# define CIA_ERR_LOST_CORR_ERR (1 << 16)
+# define CIA_ERR_LOST_UN_CORR_ERR (1 << 17)
+# define CIA_ERR_LOST_CPU_PE (1 << 18)
+# define CIA_ERR_LOST_MEM_NEM (1 << 19)
+# define CIA_ERR_LOST_PERR (1 << 21)
+# define CIA_ERR_LOST_PCI_ADDR_PE (1 << 22)
+# define CIA_ERR_LOST_RCVD_MAS_ABT (1 << 23)
+# define CIA_ERR_LOST_RCVD_TAR_ABT (1 << 24)
+# define CIA_ERR_LOST_PA_PTE_INV (1 << 25)
+# define CIA_ERR_LOST_FROM_WRT_ERR (1 << 26)
+# define CIA_ERR_LOST_IOA_TIMEOUT (1 << 27)
+# define CIA_ERR_VALID (1 << 31)
+#define CIA_IOC_CIA_STAT (IDENT_ADDR + 0x8740008240UL)
+#define CIA_IOC_ERR_MASK (IDENT_ADDR + 0x8740008280UL)
+#define CIA_IOC_CIA_SYN (IDENT_ADDR + 0x8740008300UL)
+#define CIA_IOC_MEM_ERR0 (IDENT_ADDR + 0x8740008400UL)
+#define CIA_IOC_MEM_ERR1 (IDENT_ADDR + 0x8740008440UL)
+#define CIA_IOC_PCI_ERR0 (IDENT_ADDR + 0x8740008800UL)
+#define CIA_IOC_PCI_ERR1 (IDENT_ADDR + 0x8740008840UL)
+#define CIA_IOC_PCI_ERR3 (IDENT_ADDR + 0x8740008880UL)
+
+/*
+ * 21171-CA System configuration registers
+ */
+#define CIA_IOC_MCR (IDENT_ADDR + 0x8750000000UL)
+#define CIA_IOC_MBA0 (IDENT_ADDR + 0x8750000600UL)
+#define CIA_IOC_MBA2 (IDENT_ADDR + 0x8750000680UL)
+#define CIA_IOC_MBA4 (IDENT_ADDR + 0x8750000700UL)
+#define CIA_IOC_MBA6 (IDENT_ADDR + 0x8750000780UL)
+#define CIA_IOC_MBA8 (IDENT_ADDR + 0x8750000800UL)
+#define CIA_IOC_MBAA (IDENT_ADDR + 0x8750000880UL)
+#define CIA_IOC_MBAC (IDENT_ADDR + 0x8750000900UL)
+#define CIA_IOC_MBAE (IDENT_ADDR + 0x8750000980UL)
+#define CIA_IOC_TMG0 (IDENT_ADDR + 0x8750000B00UL)
+#define CIA_IOC_TMG1 (IDENT_ADDR + 0x8750000B40UL)
+#define CIA_IOC_TMG2 (IDENT_ADDR + 0x8750000B80UL)
+
+/*
+ * 2117A-CA PCI Address and Scatter-Gather Registers.
+ */
+#define CIA_IOC_PCI_TBIA (IDENT_ADDR + 0x8760000100UL)
+
+#define CIA_IOC_PCI_W0_BASE (IDENT_ADDR + 0x8760000400UL)
+#define CIA_IOC_PCI_W0_MASK (IDENT_ADDR + 0x8760000440UL)
+#define CIA_IOC_PCI_T0_BASE (IDENT_ADDR + 0x8760000480UL)
+
+#define CIA_IOC_PCI_W1_BASE (IDENT_ADDR + 0x8760000500UL)
+#define CIA_IOC_PCI_W1_MASK (IDENT_ADDR + 0x8760000540UL)
+#define CIA_IOC_PCI_T1_BASE (IDENT_ADDR + 0x8760000580UL)
+
+#define CIA_IOC_PCI_W2_BASE (IDENT_ADDR + 0x8760000600UL)
+#define CIA_IOC_PCI_W2_MASK (IDENT_ADDR + 0x8760000640UL)
+#define CIA_IOC_PCI_T2_BASE (IDENT_ADDR + 0x8760000680UL)
+
+#define CIA_IOC_PCI_W3_BASE (IDENT_ADDR + 0x8760000700UL)
+#define CIA_IOC_PCI_W3_MASK (IDENT_ADDR + 0x8760000740UL)
+#define CIA_IOC_PCI_T3_BASE (IDENT_ADDR + 0x8760000780UL)
+
+#define CIA_IOC_PCI_Wn_BASE(N) (IDENT_ADDR + 0x8760000400UL + (N)*0x100)
+#define CIA_IOC_PCI_Wn_MASK(N) (IDENT_ADDR + 0x8760000440UL + (N)*0x100)
+#define CIA_IOC_PCI_Tn_BASE(N) (IDENT_ADDR + 0x8760000480UL + (N)*0x100)
+
+#define CIA_IOC_PCI_W_DAC (IDENT_ADDR + 0x87600007C0UL)
+
+/*
+ * 2117A-CA Address Translation Registers.
+ */
+
+/* 8 tag registers, the first 4 of which are lockable. */
+#define CIA_IOC_TB_TAGn(n) \
+ (IDENT_ADDR + 0x8760000800UL + (n)*0x40)
+
+/* 4 page registers per tag register. */
+#define CIA_IOC_TBn_PAGEm(n,m) \
+ (IDENT_ADDR + 0x8760001000UL + (n)*0x100 + (m)*0x40)
+
+/*
+ * Memory spaces:
+ */
+#define CIA_IACK_SC (IDENT_ADDR + 0x8720000000UL)
+#define CIA_CONF (IDENT_ADDR + 0x8700000000UL)
+#define CIA_IO (IDENT_ADDR + 0x8580000000UL)
+#define CIA_SPARSE_MEM (IDENT_ADDR + 0x8000000000UL)
+#define CIA_SPARSE_MEM_R2 (IDENT_ADDR + 0x8400000000UL)
+#define CIA_SPARSE_MEM_R3 (IDENT_ADDR + 0x8500000000UL)
+#define CIA_DENSE_MEM (IDENT_ADDR + 0x8600000000UL)
+#define CIA_BW_MEM (IDENT_ADDR + 0x8800000000UL)
+#define CIA_BW_IO (IDENT_ADDR + 0x8900000000UL)
+#define CIA_BW_CFG_0 (IDENT_ADDR + 0x8a00000000UL)
+#define CIA_BW_CFG_1 (IDENT_ADDR + 0x8b00000000UL)
+
+/*
+ * ALCOR's GRU ASIC registers
+ */
+#define GRU_INT_REQ (IDENT_ADDR + 0x8780000000UL)
+#define GRU_INT_MASK (IDENT_ADDR + 0x8780000040UL)
+#define GRU_INT_EDGE (IDENT_ADDR + 0x8780000080UL)
+#define GRU_INT_HILO (IDENT_ADDR + 0x87800000C0UL)
+#define GRU_INT_CLEAR (IDENT_ADDR + 0x8780000100UL)
+
+#define GRU_CACHE_CNFG (IDENT_ADDR + 0x8780000200UL)
+#define GRU_SCR (IDENT_ADDR + 0x8780000300UL)
+#define GRU_LED (IDENT_ADDR + 0x8780000800UL)
+#define GRU_RESET (IDENT_ADDR + 0x8780000900UL)
+
+#define ALCOR_GRU_INT_REQ_BITS 0x800fffffUL
+#define XLT_GRU_INT_REQ_BITS 0x80003fffUL
+#define GRU_INT_REQ_BITS (alpha_mv.sys.cia.gru_int_req_bits+0)
+
+/*
+ * PYXIS interrupt control registers
+ */
+#define PYXIS_INT_REQ (IDENT_ADDR + 0x87A0000000UL)
+#define PYXIS_INT_MASK (IDENT_ADDR + 0x87A0000040UL)
+#define PYXIS_INT_HILO (IDENT_ADDR + 0x87A00000C0UL)
+#define PYXIS_INT_ROUTE (IDENT_ADDR + 0x87A0000140UL)
+#define PYXIS_GPO (IDENT_ADDR + 0x87A0000180UL)
+#define PYXIS_INT_CNFG (IDENT_ADDR + 0x87A00001C0UL)
+#define PYXIS_RT_COUNT (IDENT_ADDR + 0x87A0000200UL)
+#define PYXIS_INT_TIME (IDENT_ADDR + 0x87A0000240UL)
+#define PYXIS_IIC_CTRL (IDENT_ADDR + 0x87A00002C0UL)
+#define PYXIS_RESET (IDENT_ADDR + 0x8780000900UL)
+
+/* Offset between ram physical addresses and pci64 DAC bus addresses. */
+#define PYXIS_DAC_OFFSET (1UL << 40)
+
+/*
+ * Data structure for handling CIA machine checks.
+ */
+
+/* System-specific info. */
+struct el_CIA_sysdata_mcheck {
+ unsigned long cpu_err0;
+ unsigned long cpu_err1;
+ unsigned long cia_err;
+ unsigned long cia_stat;
+ unsigned long err_mask;
+ unsigned long cia_syn;
+ unsigned long mem_err0;
+ unsigned long mem_err1;
+ unsigned long pci_err0;
+ unsigned long pci_err1;
+ unsigned long pci_err2;
+};
+
+
+#ifdef __KERNEL__
+
+#ifndef __EXTERN_INLINE
+/* Do not touch, this should *NOT* be static inline */
+#define __EXTERN_INLINE extern inline
+#define __IO_EXTERN_INLINE
+#endif
+
+/*
+ * I/O functions:
+ *
+ * CIA (the 2117x PCI/memory support chipset for the EV5 (21164)
+ * series of processors uses a sparse address mapping scheme to
+ * get at PCI memory and I/O.
+ */
+
+/*
+ * Memory functions. 64-bit and 32-bit accesses are done through
+ * dense memory space, everything else through sparse space.
+ *
+ * For reading and writing 8 and 16 bit quantities we need to
+ * go through one of the three sparse address mapping regions
+ * and use the HAE_MEM CSR to provide some bits of the address.
+ * The following few routines use only sparse address region 1
+ * which gives 1Gbyte of accessible space which relates exactly
+ * to the amount of PCI memory mapping *into* system address space.
+ * See p 6-17 of the specification but it looks something like this:
+ *
+ * 21164 Address:
+ *
+ * 3 2 1
+ * 9876543210987654321098765432109876543210
+ * 1ZZZZ0.PCI.QW.Address............BBLL
+ *
+ * ZZ = SBZ
+ * BB = Byte offset
+ * LL = Transfer length
+ *
+ * PCI Address:
+ *
+ * 3 2 1
+ * 10987654321098765432109876543210
+ * HHH....PCI.QW.Address........ 00
+ *
+ * HHH = 31:29 HAE_MEM CSR
+ *
+ */
+
+#define vip volatile int __force *
+#define vuip volatile unsigned int __force *
+#define vulp volatile unsigned long __force *
+
+__EXTERN_INLINE unsigned int cia_ioread8(void __iomem *xaddr)
+{
+ unsigned long addr = (unsigned long) xaddr;
+ unsigned long result, base_and_type;
+
+ if (addr >= CIA_DENSE_MEM)
+ base_and_type = CIA_SPARSE_MEM + 0x00;
+ else
+ base_and_type = CIA_IO + 0x00;
+
+ /* We can use CIA_MEM_R1_MASK for io ports too, since it is large
+ enough to cover all io ports, and smaller than CIA_IO. */
+ addr &= CIA_MEM_R1_MASK;
+ result = *(vip) ((addr << 5) + base_and_type);
+ return __kernel_extbl(result, addr & 3);
+}
+
+__EXTERN_INLINE void cia_iowrite8(u8 b, void __iomem *xaddr)
+{
+ unsigned long addr = (unsigned long) xaddr;
+ unsigned long w, base_and_type;
+
+ if (addr >= CIA_DENSE_MEM)
+ base_and_type = CIA_SPARSE_MEM + 0x00;
+ else
+ base_and_type = CIA_IO + 0x00;
+
+ addr &= CIA_MEM_R1_MASK;
+ w = __kernel_insbl(b, addr & 3);
+ *(vuip) ((addr << 5) + base_and_type) = w;
+}
+
+__EXTERN_INLINE unsigned int cia_ioread16(void __iomem *xaddr)
+{
+ unsigned long addr = (unsigned long) xaddr;
+ unsigned long result, base_and_type;
+
+ if (addr >= CIA_DENSE_MEM)
+ base_and_type = CIA_SPARSE_MEM + 0x08;
+ else
+ base_and_type = CIA_IO + 0x08;
+
+ addr &= CIA_MEM_R1_MASK;
+ result = *(vip) ((addr << 5) + base_and_type);
+ return __kernel_extwl(result, addr & 3);
+}
+
+__EXTERN_INLINE void cia_iowrite16(u16 b, void __iomem *xaddr)
+{
+ unsigned long addr = (unsigned long) xaddr;
+ unsigned long w, base_and_type;
+
+ if (addr >= CIA_DENSE_MEM)
+ base_and_type = CIA_SPARSE_MEM + 0x08;
+ else
+ base_and_type = CIA_IO + 0x08;
+
+ addr &= CIA_MEM_R1_MASK;
+ w = __kernel_inswl(b, addr & 3);
+ *(vuip) ((addr << 5) + base_and_type) = w;
+}
+
+__EXTERN_INLINE unsigned int cia_ioread32(void __iomem *xaddr)
+{
+ unsigned long addr = (unsigned long) xaddr;
+ if (addr < CIA_DENSE_MEM)
+ addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18;
+ return *(vuip)addr;
+}
+
+__EXTERN_INLINE void cia_iowrite32(u32 b, void __iomem *xaddr)
+{
+ unsigned long addr = (unsigned long) xaddr;
+ if (addr < CIA_DENSE_MEM)
+ addr = ((addr - CIA_IO) << 5) + CIA_IO + 0x18;
+ *(vuip)addr = b;
+}
+
+__EXTERN_INLINE void __iomem *cia_ioportmap(unsigned long addr)
+{
+ return (void __iomem *)(addr + CIA_IO);
+}
+
+__EXTERN_INLINE void __iomem *cia_ioremap(unsigned long addr,
+ unsigned long size)
+{
+ return (void __iomem *)(addr + CIA_DENSE_MEM);
+}
+
+__EXTERN_INLINE int cia_is_ioaddr(unsigned long addr)
+{
+ return addr >= IDENT_ADDR + 0x8000000000UL;
+}
+
+__EXTERN_INLINE int cia_is_mmio(const volatile void __iomem *addr)
+{
+ return (unsigned long)addr >= CIA_DENSE_MEM;
+}
+
+__EXTERN_INLINE void __iomem *cia_bwx_ioportmap(unsigned long addr)
+{
+ return (void __iomem *)(addr + CIA_BW_IO);
+}
+
+__EXTERN_INLINE void __iomem *cia_bwx_ioremap(unsigned long addr,
+ unsigned long size)
+{
+ return (void __iomem *)(addr + CIA_BW_MEM);
+}
+
+__EXTERN_INLINE int cia_bwx_is_ioaddr(unsigned long addr)
+{
+ return addr >= IDENT_ADDR + 0x8000000000UL;
+}
+
+__EXTERN_INLINE int cia_bwx_is_mmio(const volatile void __iomem *addr)
+{
+ return (unsigned long)addr < CIA_BW_IO;
+}
+
+#undef vip
+#undef vuip
+#undef vulp
+
+#undef __IO_PREFIX
+#define __IO_PREFIX cia
+#define cia_trivial_rw_bw 2
+#define cia_trivial_rw_lq 1
+#define cia_trivial_io_bw 0
+#define cia_trivial_io_lq 0
+#define cia_trivial_iounmap 1
+#include <asm/io_trivial.h>
+
+#undef __IO_PREFIX
+#define __IO_PREFIX cia_bwx
+#define cia_bwx_trivial_rw_bw 1
+#define cia_bwx_trivial_rw_lq 1
+#define cia_bwx_trivial_io_bw 1
+#define cia_bwx_trivial_io_lq 1
+#define cia_bwx_trivial_iounmap 1
+#include <asm/io_trivial.h>
+
+#undef __IO_PREFIX
+#ifdef CONFIG_ALPHA_PYXIS
+#define __IO_PREFIX cia_bwx
+#else
+#define __IO_PREFIX cia
+#endif
+
+#ifdef __IO_EXTERN_INLINE
+#undef __EXTERN_INLINE
+#undef __IO_EXTERN_INLINE
+#endif
+
+#endif /* __KERNEL__ */
+
+#endif /* __ALPHA_CIA__H__ */