* Add include/asm/netlogic/xlp-hal/ - register definitions & MMIO * Add netlogic/xlp - platform files including PIC support, early console and FDT based startup --- arch/mips/include/asm/netlogic/xlp-hal/bridge.h | 187 +++++++++ arch/mips/include/asm/netlogic/xlp-hal/cop2.h | 319 ++++++++++++++ .../mips/include/asm/netlogic/xlp-hal/cpucontrol.h | 71 ++++ arch/mips/include/asm/netlogic/xlp-hal/iomap.h | 133 ++++++ arch/mips/include/asm/netlogic/xlp-hal/mmio.h | 441 ++++++++++++++++++++ arch/mips/include/asm/netlogic/xlp-hal/pic.h | 339 +++++++++++++++ arch/mips/include/asm/netlogic/xlp-hal/sys.h | 128 ++++++ arch/mips/include/asm/netlogic/xlp-hal/uart.h | 191 +++++++++ arch/mips/include/asm/netlogic/xlp-hal/xlp.h | 68 +++ arch/mips/netlogic/xlp/Makefile | 4 + arch/mips/netlogic/xlp/irq.c | 240 +++++++++++ arch/mips/netlogic/xlp/nlm_hal.c | 84 ++++ arch/mips/netlogic/xlp/platform.c | 107 +++++ arch/mips/netlogic/xlp/setup.c | 98 +++++ arch/mips/netlogic/xlp/smp.c | 286 +++++++++++++ arch/mips/netlogic/xlp/smpboot.S | 217 ++++++++++ arch/mips/netlogic/xlp/time.c | 74 ++++ arch/mips/netlogic/xlp/xlp_console.c | 49 +++ 18 files changed, 3036 insertions(+), 0 deletions(-) create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/bridge.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/cop2.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/iomap.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/mmio.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/pic.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/sys.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/uart.h create mode 100644 arch/mips/include/asm/netlogic/xlp-hal/xlp.h create mode 100644 arch/mips/netlogic/xlp/Makefile create mode 100644 arch/mips/netlogic/xlp/irq.c create mode 100644 arch/mips/netlogic/xlp/nlm_hal.c create mode 100644 arch/mips/netlogic/xlp/platform.c create mode 100644 arch/mips/netlogic/xlp/setup.c create mode 100644 arch/mips/netlogic/xlp/smp.c create mode 100644 arch/mips/netlogic/xlp/smpboot.S create mode 100644 arch/mips/netlogic/xlp/time.c create mode 100644 arch/mips/netlogic/xlp/xlp_console.c diff --git a/arch/mips/include/asm/netlogic/xlp-hal/bridge.h b/arch/mips/include/asm/netlogic/xlp-hal/bridge.h new file mode 100644 index 0000000..1870cb0 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/bridge.h @@ -0,0 +1,187 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_BRIDGE_H__ +#define __NLM_HAL_BRIDGE_H__ + +/** +* @file_name mio.h +* @author Netlogic Microsystems +* @brief Basic definitions of XLP memory and io subsystem +*/ + +/* + * BRIDGE specific registers + * + * These registers start after the PCIe header, which has 0x40 + * standard entries + */ +#define BRIDGE_MODE 0x00 +#define BRIDGE_PCI_CFG_BASE 0x01 +#define BRIDGE_PCI_CFG_LIMIT 0x02 +#define BRIDGE_PCIE_CFG_BASE 0x03 +#define BRIDGE_PCIE_CFG_LIMIT 0x04 +#define BRIDGE_BUSNUM_BAR0 0x05 +#define BRIDGE_BUSNUM_BAR1 0x06 +#define BRIDGE_BUSNUM_BAR2 0x07 +#define BRIDGE_BUSNUM_BAR3 0x08 +#define BRIDGE_BUSNUM_BAR4 0x09 +#define BRIDGE_BUSNUM_BAR5 0x0a +#define BRIDGE_BUSNUM_BAR6 0x0b +#define BRIDGE_FLASH_BAR0 0x0c +#define BRIDGE_FLASH_BAR1 0x0d +#define BRIDGE_FLASH_BAR2 0x0e +#define BRIDGE_FLASH_BAR3 0x0f +#define BRIDGE_FLASH_LIMIT0 0x10 +#define BRIDGE_FLASH_LIMIT1 0x11 +#define BRIDGE_FLASH_LIMIT2 0x12 +#define BRIDGE_FLASH_LIMIT3 0x13 + +#define BRIDGE_DRAM_BAR(i) (0x14 + (i)) +#define BRIDGE_DRAM_BAR0 0x14 +#define BRIDGE_DRAM_BAR1 0x15 +#define BRIDGE_DRAM_BAR2 0x16 +#define BRIDGE_DRAM_BAR3 0x17 +#define BRIDGE_DRAM_BAR4 0x18 +#define BRIDGE_DRAM_BAR5 0x19 +#define BRIDGE_DRAM_BAR6 0x1a +#define BRIDGE_DRAM_BAR7 0x1b + +#define BRIDGE_DRAM_LIMIT(i) (0x1c + (i)) +#define BRIDGE_DRAM_LIMIT0 0x1c +#define BRIDGE_DRAM_LIMIT1 0x1d +#define BRIDGE_DRAM_LIMIT2 0x1e +#define BRIDGE_DRAM_LIMIT3 0x1f +#define BRIDGE_DRAM_LIMIT4 0x20 +#define BRIDGE_DRAM_LIMIT5 0x21 +#define BRIDGE_DRAM_LIMIT6 0x22 +#define BRIDGE_DRAM_LIMIT7 0x23 + +#define BRIDGE_DRAM_NODE_TRANSLN0 0x24 +#define BRIDGE_DRAM_NODE_TRANSLN1 0x25 +#define BRIDGE_DRAM_NODE_TRANSLN2 0x26 +#define BRIDGE_DRAM_NODE_TRANSLN3 0x27 +#define BRIDGE_DRAM_NODE_TRANSLN4 0x28 +#define BRIDGE_DRAM_NODE_TRANSLN5 0x29 +#define BRIDGE_DRAM_NODE_TRANSLN6 0x2a +#define BRIDGE_DRAM_NODE_TRANSLN7 0x2b +#define BRIDGE_DRAM_CHNL_TRANSLN0 0x2c +#define BRIDGE_DRAM_CHNL_TRANSLN1 0x2d +#define BRIDGE_DRAM_CHNL_TRANSLN2 0x2e +#define BRIDGE_DRAM_CHNL_TRANSLN3 0x2f +#define BRIDGE_DRAM_CHNL_TRANSLN4 0x30 +#define BRIDGE_DRAM_CHNL_TRANSLN5 0x31 +#define BRIDGE_DRAM_CHNL_TRANSLN6 0x32 +#define BRIDGE_DRAM_CHNL_TRANSLN7 0x33 +#define BRIDGE_PCIEMEM_BASE0 0x34 +#define BRIDGE_PCIEMEM_BASE1 0x35 +#define BRIDGE_PCIEMEM_BASE2 0x36 +#define BRIDGE_PCIEMEM_BASE3 0x37 +#define BRIDGE_PCIEMEM_LIMIT0 0x38 +#define BRIDGE_PCIEMEM_LIMIT1 0x39 +#define BRIDGE_PCIEMEM_LIMIT2 0x3a +#define BRIDGE_PCIEMEM_LIMIT3 0x3b +#define BRIDGE_PCIEIO_BASE0 0x3c +#define BRIDGE_PCIEIO_BASE1 0x3d +#define BRIDGE_PCIEIO_BASE2 0x3e +#define BRIDGE_PCIEIO_BASE3 0x3f +#define BRIDGE_PCIEIO_LIMIT0 0x40 +#define BRIDGE_PCIEIO_LIMIT1 0x41 +#define BRIDGE_PCIEIO_LIMIT2 0x42 +#define BRIDGE_PCIEIO_LIMIT3 0x43 +#define BRIDGE_PCIEMEM_BASE4 0x44 +#define BRIDGE_PCIEMEM_BASE5 0x45 +#define BRIDGE_PCIEMEM_BASE6 0x46 +#define BRIDGE_PCIEMEM_LIMIT4 0x47 +#define BRIDGE_PCIEMEM_LIMIT5 0x48 +#define BRIDGE_PCIEMEM_LIMIT6 0x49 +#define BRIDGE_PCIEIO_BASE4 0x4a +#define BRIDGE_PCIEIO_BASE5 0x4b +#define BRIDGE_PCIEIO_BASE6 0x4c +#define BRIDGE_PCIEIO_LIMIT4 0x4d +#define BRIDGE_PCIEIO_LIMIT5 0x4e +#define BRIDGE_PCIEIO_LIMIT6 0x4f +#define BRIDGE_NBU_EVENT_CNT_CTL 0x50 +#define BRIDGE_EVNTCTR1_LOW 0x51 +#define BRIDGE_EVNTCTR1_HI 0x52 +#define BRIDGE_EVNT_CNT_CTL2 0x53 +#define BRIDGE_EVNTCTR2_LOW 0x54 +#define BRIDGE_EVNTCTR2_HI 0x55 +#define BRIDGE_TRACEBUF_MATCH0 0x56 +#define BRIDGE_TRACEBUF_MATCH1 0x57 +#define BRIDGE_TRACEBUF_MATCH_LOW 0x58 +#define BRIDGE_TRACEBUF_MATCH_HI 0x59 +#define BRIDGE_TRACEBUF_CTRL 0x5a +#define BRIDGE_TRACEBUF_INIT 0x5b +#define BRIDGE_TRACEBUF_ACCESS 0x5c +#define BRIDGE_TRACEBUF_READ_DATA0 0x5d +#define BRIDGE_TRACEBUF_READ_DATA1 0x5d +#define BRIDGE_TRACEBUF_READ_DATA2 0x5f +#define BRIDGE_TRACEBUF_READ_DATA3 0x60 +#define BRIDGE_TRACEBUF_STATUS 0x61 +#define BRIDGE_ADDRESS_ERROR0 0x62 +#define BRIDGE_ADDRESS_ERROR1 0x63 +#define BRIDGE_ADDRESS_ERROR2 0x64 +#define BRIDGE_TAG_ECC_ADDR_ERROR0 0x65 +#define BRIDGE_TAG_ECC_ADDR_ERROR1 0x66 +#define BRIDGE_TAG_ECC_ADDR_ERROR2 0x67 +#define BRIDGE_LINE_FLUSH0 0x68 +#define BRIDGE_LINE_FLUSH1 0x69 +#define BRIDGE_NODE_ID 0x6a +#define BRIDGE_ERROR_INTERRUPT_EN 0x6b +#define BRIDGE_PCIE0_WEIGHT 0x2c0 +#define BRIDGE_PCIE1_WEIGHT 0x2c1 +#define BRIDGE_PCIE2_WEIGHT 0x2c2 +#define BRIDGE_PCIE3_WEIGHT 0x2c3 +#define BRIDGE_USB_WEIGHT 0x2c4 +#define BRIDGE_NET_WEIGHT 0x2c5 +#define BRIDGE_POE_WEIGHT 0x2c6 +#define BRIDGE_CMS_WEIGHT 0x2c7 +#define BRIDGE_DMAENG_WEIGHT 0x2c8 +#define BRIDGE_SEC_WEIGHT 0x2c9 +#define BRIDGE_COMP_WEIGHT 0x2ca +#define BRIDGE_GIO_WEIGHT 0x2cb +#define BRIDGE_FLASH_WEIGHT 0x2cc + +#if !defined(LOCORE) && !defined(__ASSEMBLY__) + +#define nlm_read_bridge_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_bridge_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_bridge_pcibase(node) \ + nlm_pcicfg_base(XLP_IO_BRIDGE_OFFSET(node)) +#define nlm_get_bridge_regbase(node) \ + (nlm_pcibase_bridge(node) + XLP_IO_PCI_HDRSZ) + +#endif +#endif diff --git a/arch/mips/include/asm/netlogic/xlp-hal/cop2.h b/arch/mips/include/asm/netlogic/xlp-hal/cop2.h new file mode 100644 index 0000000..9510f0e --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/cop2.h @@ -0,0 +1,319 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_COP2_H__ +#define __NLM_HAL_COP2_H__ + +#define COP2_TX_BUF 0 +#define COP2_RX_BUF 1 +#define COP2_TXMSGSTATUS 2 +#define COP2_RXMSGSTATUS 3 +#define COP2_MSGSTATUS1 4 +#define COP2_MSGCONFIG 5 +#define COP2_MSGCONFIG1 6 + +#define CROSSTHR_POPQ_EN 0x01 +#define VC0_POPQ_EN 0x02 +#define VC1_POPQ_EN 0x04 +#define VC2_POPQ_EN 0x08 +#define VC3_POPQ_EN 0x10 +#define ALL_VC_POPQ_EN 0x1E +#define ALL_VC_CT_POPQ_EN 0x1F + +struct nlm_fmn_msg { + uint64_t msg[4]; +}; + +#define NLM_DEFINE_COP2_ACCESSORS32(name, reg, sel) \ +static inline uint32_t nlm_read_c2_##name(void) \ +{ \ + uint32_t __rv; \ + __asm__ __volatile__ ( \ + ".set push\n" \ + ".set noreorder\n" \ + ".set mips64\n" \ + "mfc2 %0, $%1, %2\n" \ + ".set pop\n" \ + : "=r" (__rv) \ + : "i" (reg), "i" (sel)); \ + return __rv; \ +} \ + \ +static inline void nlm_write_c2_##name(uint32_t val) \ +{ \ + __asm__ __volatile__( \ + ".set push\n" \ + ".set noreorder\n" \ + ".set mips64\n" \ + "mtc2 %0, $%1, %2\n" \ + ".set pop\n" \ + : : "r" (val), "i" (reg), "i" (sel)); \ +} struct __hack + +#if (__mips == 64) +#define NLM_DEFINE_COP2_ACCESSORS64(name, reg, sel) \ +static inline uint64_t nlm_read_c2_##name(void) \ +{ \ + uint64_t __rv; \ + __asm__ __volatile__ ( \ + ".set push\n" \ + ".set noreorder\n" \ + ".set mips64\n" \ + "dmfc2 %0, $%1, %2\n" \ + ".set pop\n" \ + : "=r" (__rv) \ + : "i" (reg), "i" (sel)); \ + return __rv; \ +} \ + \ +static inline void nlm_write_c2_##name(uint64_t val) \ +{ \ + __asm__ __volatile__ ( \ + ".set push\n" \ + ".set noreorder\n" \ + ".set mips64\n" \ + "dmtc2 %0, $%1, %2\n" \ + ".set pop\n" \ + : : "r" (val), "i" (reg), "i" (sel)); \ +} struct __hack + +#else + +#define NLM_DEFINE_COP2_ACCESSORS64(name, reg, sel) \ +static inline uint64_t nlm_read_c2_##name(void) \ +{ \ + uint32_t __high, __low; \ + __asm__ __volatile__ ( \ + ".set push\n" \ + ".set noreorder\n" \ + ".set mips64\n" \ + "dmfc2 $8, $%2, %3\n" \ + "dsra32 %0, $8, 0\n" \ + "sll %1, $8, 0\n" \ + ".set pop\n" \ + : "=r"(__high), "=r"(__low) \ + : "i"(reg), "i"(sel) \ + : "$8"); \ + \ + return ((uint64_t)__high << 32) | __low; \ +} \ + \ +static inline void nlm_write_c2_##name(uint64_t val) \ +{ \ + uint32_t __high = val >> 32; \ + uint32_t __low = val & 0xffffffff; \ + __asm__ __volatile__ ( \ + ".set push\n" \ + ".set noreorder\n" \ + ".set mips64\n" \ + "dsll32 $8, %1, 0\n" \ + "dsll32 $9, %0, 0\n" \ + "dsrl32 $8, $8, 0\n" \ + "or $8, $8, $9\n" \ + "dmtc2 $8, $%2, %3\n" \ + ".set pop\n" \ + : : "r"(__high), "r"(__low), "i"(reg), "i"(sel) \ + : "$8", "$9"); \ +} struct __hack + +#endif + +NLM_DEFINE_COP2_ACCESSORS64(txbuf0, COP2_TX_BUF, 0); +NLM_DEFINE_COP2_ACCESSORS64(txbuf1, COP2_TX_BUF, 1); +NLM_DEFINE_COP2_ACCESSORS64(txbuf2, COP2_TX_BUF, 2); +NLM_DEFINE_COP2_ACCESSORS64(txbuf3, COP2_TX_BUF, 3); + +NLM_DEFINE_COP2_ACCESSORS64(rxbuf0, COP2_RX_BUF, 0); +NLM_DEFINE_COP2_ACCESSORS64(rxbuf1, COP2_RX_BUF, 1); +NLM_DEFINE_COP2_ACCESSORS64(rxbuf2, COP2_RX_BUF, 2); +NLM_DEFINE_COP2_ACCESSORS64(rxbuf3, COP2_RX_BUF, 3); + +NLM_DEFINE_COP2_ACCESSORS32(txmsgstatus, COP2_TXMSGSTATUS, 0); +NLM_DEFINE_COP2_ACCESSORS32(rxmsgstatus, COP2_RXMSGSTATUS, 0); +NLM_DEFINE_COP2_ACCESSORS32(msgstatus1, COP2_MSGSTATUS1, 0); +NLM_DEFINE_COP2_ACCESSORS32(msgconfig, COP2_MSGCONFIG, 0); +NLM_DEFINE_COP2_ACCESSORS32(msgconfig1, COP2_MSGCONFIG1, 0); + +/* successful completion returns 1, else 0 */ +static inline int +nlm_msgsend(int val) +{ + int result; + __asm__ volatile ( + ".set push\n" + ".set noreorder\n" + ".set mips64\n" + "move $8, %1\n" + "sync\n" + "/* msgsnds $9, $8 */\n" + ".word 0x4a084801\n" + "move %0, $9\n" + ".set pop\n" + : "=r" (result) + : "r" (val) + : "$8", "$9"); + return result; +} + +static inline int +nlm_msgld(int vc) +{ + int val; + __asm__ volatile ( + ".set push\n" + ".set noreorder\n" + ".set mips64\n" + "move $8, %1\n" + "/* msgld $9, $8 */\n" + ".word 0x4a084802\n" + "move %0, $9\n" + ".set pop\n" + : "=r" (val) + : "r" (vc) + : "$8", "$9"); + return val; +} + +static inline void +nlm_msgwait(int vc) +{ + __asm__ volatile ( + ".set push\n" + ".set noreorder\n" + ".set mips64\n" + "move $8, %0\n" + "/* msgwait $8 */\n" + ".word 0x4a080003\n" + ".set pop\n" + : : "r" (vc) + : "$8"); +} + +/* TODO this is not needed in n32 and n64 */ +static inline uint32_t +nlm_fmn_saveflags(void) +{ + uint32_t sr = mips_rd_status(); + + mips_wr_status((sr & ~MIPS_SR_INT_IE) | MIPS_SR_COP_2_BIT); + return sr; +} + +static inline void +nlm_fmn_restoreflags(uint32_t sr) +{ + + mips_wr_status(sr); +} + +static inline int +nlm_fmn_msgsend(int dstid, int size, int swcode, struct nlm_fmn_msg *m) +{ + uint32_t flags, status; + int rv; + + size -= 1; + flags = nlm_fmn_saveflags(); + switch (size) { + case 3: + nlm_write_c2_txbuf3(m->msg[3]); + case 2: + nlm_write_c2_txbuf2(m->msg[2]); + case 1: + nlm_write_c2_txbuf1(m->msg[1]); + case 0: + nlm_write_c2_txbuf0(m->msg[0]); + } + + dstid |= ((swcode << 24) | (size << 16)); + status = nlm_msgsend(dstid); + rv = !status; + if (rv != 0) + rv = nlm_read_c2_txmsgstatus(); + nlm_fmn_restoreflags(flags); + + return rv; +} + +static inline int +nlm_fmn_msgrcv(int vc, int *srcid, int *size, int *code, struct nlm_fmn_msg *m) +{ + uint32_t status; + uint32_t msg_status, flags; + int tmp_sz, rv; + + flags = nlm_fmn_saveflags(); + status = nlm_msgld(vc); /* will return 0, if error */ + rv = !status; + if (rv == 0) { + msg_status = nlm_read_c2_rxmsgstatus(); + *size = ((msg_status >> 26) & 0x3) + 1; + *code = (msg_status >> 18) & 0xff; + *srcid = (msg_status >> 4) & 0xfff; + tmp_sz = *size - 1; + switch (tmp_sz) { + case 3: + m->msg[3] = nlm_read_c2_rxbuf3(); + case 2: + m->msg[2] = nlm_read_c2_rxbuf2(); + case 1: + m->msg[1] = nlm_read_c2_rxbuf1(); + case 0: + m->msg[0] = nlm_read_c2_rxbuf0(); + } + } + nlm_fmn_restoreflags(flags); + + return rv; +} + +static inline void +nlm_fmn_cpu_init(int int_vec, int ctpe, int v0pe, int v1pe, int v2pe, int v3pe) +{ + uint32_t val = nlm_read_c2_msgconfig(); + + /* Note: in XLP PRM 0.8.1, the int_vec bits are un-documented + * in msgconfig register of cop2. + * As per chip/cpu RTL, [16:20] bits consist of int_vec. + */ + val |= ((int_vec & 0x1f) << 16) | + ((v3pe & 0x1) << 4) | + ((v2pe & 0x1) << 3) | + ((v1pe & 0x1) << 2) | + ((v0pe & 0x1) << 1) | + (ctpe & 0x1); + + nlm_write_c2_msgconfig(val); +} +#endif diff --git a/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h b/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h new file mode 100644 index 0000000..ef08098 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/cpucontrol.h @@ -0,0 +1,71 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_CPUCONTROL_H__ +#define __NLM_HAL_CPUCONTROL_H__ + +#define CPU_BLOCKID_IFU 0 +#define CPU_BLOCKID_ICU 1 +#define CPU_BLOCKID_IEU 2 +#define CPU_BLOCKID_LSU 3 +#define CPU_BLOCKID_MMU 4 +#define CPU_BLOCKID_PRF 5 +#define CPU_BLOCKID_SCH 7 +#define CPU_BLOCKID_SCU 8 +#define CPU_BLOCKID_FPU 9 +#define CPU_BLOCKID_MAP 10 + +#define LSU_DEFEATURE 0x304 +#define LSU_CERRLOG_REGID 0x09 +#define SCHED_DEFEATURE 0x700 +#define MMU_SETUP 0x400 + +/* Offsets of interest from the 'MAP' Block */ +#define BLKID_MAP_THREADMODE 0x00 +#define BLKID_MAP_EXT_EBASE_ENABLE 0x04 +#define BLKID_MAP_CCDI_CONFIG 0x08 +#define BLKID_MAP_THRD0_CCDI_STATUS 0x0c +#define BLKID_MAP_THRD1_CCDI_STATUS 0x10 +#define BLKID_MAP_THRD2_CCDI_STATUS 0x14 +#define BLKID_MAP_THRD3_CCDI_STATUS 0x18 +#define BLKID_MAP_THRD0_DEBUG_MODE 0x1c +#define BLKID_MAP_THRD1_DEBUG_MODE 0x20 +#define BLKID_MAP_THRD2_DEBUG_MODE 0x24 +#define BLKID_MAP_THRD3_DEBUG_MODE 0x28 +#define BLKID_MAP_MISC_STATE 0x60 +#define BLKID_MAP_DEBUG_READ_CTL 0x64 +#define BLKID_MAP_DEBUG_READ_REG0 0x68 +#define BLKID_MAP_DEBUG_READ_REG1 0x6c + +#endif /* __NLM_CPUCONTROL_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/iomap.h b/arch/mips/include/asm/netlogic/xlp-hal/iomap.h new file mode 100644 index 0000000..149ad4e --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/iomap.h @@ -0,0 +1,133 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_IOMAP_H__ +#define __NLM_HAL_IOMAP_H__ + +#define XLP_DEFAULT_IO_BASE 0x18000000 +#define NMI_BASE 0xbfc00000 +#define XLP_IO_CLK 133333333 + +#define XLP_PCIE_CFG_SIZE 0x1000 /* 4K */ +#define XLP_PCIE_DEV_BLK_SIZE (8 * XLP_PCIE_CFG_SIZE) +#define XLP_PCIE_BUS_BLK_SIZE (256 * XLP_PCIE_DEV_BLK_SIZE) +#define XLP_IO_SIZE (64 << 20) /* ECFG space size */ +#define XLP_IO_PCI_HDRSZ 0x100 +#define XLP_IO_DEV(node, dev) ((dev) + (node) * 8) +#define XLP_HDR_OFFSET(node, bus, dev, fn) (((bus) << 20) | \ + ((XLP_IO_DEV(node, dev)) << 15) | ((fn) << 12)) + +#define XLP_IO_BRIDGE_OFFSET(node) XLP_HDR_OFFSET(node, 0, 0, 0) +/* coherent inter chip */ +#define XLP_IO_CIC0_OFFSET(node) XLP_HDR_OFFSET(node, 0, 0, 1) +#define XLP_IO_CIC1_OFFSET(node) XLP_HDR_OFFSET(node, 0, 0, 2) +#define XLP_IO_CIC2_OFFSET(node) XLP_HDR_OFFSET(node, 0, 0, 3) +#define XLP_IO_PIC_OFFSET(node) XLP_HDR_OFFSET(node, 0, 0, 4) + +#define XLP_IO_PCIE_OFFSET(node, i) XLP_HDR_OFFSET(node, 0, 1, i) +#define XLP_IO_PCIE0_OFFSET(node) XLP_HDR_OFFSET(node, 0, 1, 0) +#define XLP_IO_PCIE1_OFFSET(node) XLP_HDR_OFFSET(node, 0, 1, 1) +#define XLP_IO_PCIE2_OFFSET(node) XLP_HDR_OFFSET(node, 0, 1, 2) +#define XLP_IO_PCIE3_OFFSET(node) XLP_HDR_OFFSET(node, 0, 1, 3) + +#define XLP_IO_USB_OFFSET(node, i) XLP_HDR_OFFSET(node, 0, 2, i) +#define XLP_IO_USB_EHCI0_OFFSET(node) XLP_HDR_OFFSET(node, 0, 2, 0) +#define XLP_IO_USB_OHCI0_OFFSET(node) XLP_HDR_OFFSET(node, 0, 2, 1) +#define XLP_IO_USB_OHCI1_OFFSET(node) XLP_HDR_OFFSET(node, 0, 2, 2) +#define XLP_IO_USB_EHCI1_OFFSET(node) XLP_HDR_OFFSET(node, 0, 2, 3) +#define XLP_IO_USB_OHCI2_OFFSET(node) XLP_HDR_OFFSET(node, 0, 2, 4) +#define XLP_IO_USB_OHCI3_OFFSET(node) XLP_HDR_OFFSET(node, 0, 2, 5) + +#define XLP_IO_NAE_OFFSET(node) XLP_HDR_OFFSET(node, 0, 3, 0) +#define XLP_IO_POE_OFFSET(node) XLP_HDR_OFFSET(node, 0, 3, 1) + +#define XLP_IO_CMS_OFFSET(node) XLP_HDR_OFFSET(node, 0, 4, 0) + +#define XLP_IO_DMA_OFFSET(node) XLP_HDR_OFFSET(node, 0, 5, 1) +#define XLP_IO_SEC_OFFSET(node) XLP_HDR_OFFSET(node, 0, 5, 2) +#define XLP_IO_CMP_OFFSET(node) XLP_HDR_OFFSET(node, 0, 5, 3) + +#define XLP_IO_UART_OFFSET(node, i) XLP_HDR_OFFSET(node, 0, 6, i) +#define XLP_IO_UART0_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 0) +#define XLP_IO_UART1_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 1) +#define XLP_IO_I2C_OFFSET(node, i) XLP_HDR_OFFSET(node, 0, 6, 2 + i) +#define XLP_IO_I2C0_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 2) +#define XLP_IO_I2C1_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 3) +#define XLP_IO_GPIO_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 4) +/* system management */ +#define XLP_IO_SYS_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 5) +#define XLP_IO_JTAG_OFFSET(node) XLP_HDR_OFFSET(node, 0, 6, 6) + +#define XLP_IO_NOR_OFFSET(node) XLP_HDR_OFFSET(node, 0, 7, 0) +#define XLP_IO_NAND_OFFSET(node) XLP_HDR_OFFSET(node, 0, 7, 1) +#define XLP_IO_SPI_OFFSET(node) XLP_HDR_OFFSET(node, 0, 7, 2) +/* SD flash */ +#define XLP_IO_SD_OFFSET(node) XLP_HDR_OFFSET(node, 0, 7, 3) +#define XLP_IO_MMC_OFFSET(node, slot) \ + ((XLP_IO_SD_OFFSET(node))+(slot*0x100)+XLP_IO_PCI_HDRSZ) + +/* PCI config header register id's */ +#define XLP_PCI_CFGREG0 0x00 +#define XLP_PCI_CFGREG1 0x01 +#define XLP_PCI_CFGREG2 0x02 +#define XLP_PCI_CFGREG3 0x03 +#define XLP_PCI_CFGREG4 0x04 +#define XLP_PCI_CFGREG5 0x05 +#define XLP_PCI_DEVINFO_REG0 0x30 +#define XLP_PCI_DEVINFO_REG1 0x31 +#define XLP_PCI_DEVINFO_REG2 0x32 +#define XLP_PCI_DEVINFO_REG3 0x33 +#define XLP_PCI_DEVINFO_REG4 0x34 +#define XLP_PCI_DEVINFO_REG5 0x35 +#define XLP_PCI_DEVINFO_REG6 0x36 +#define XLP_PCI_DEVINFO_REG7 0x37 +#define XLP_PCI_DEVSCRATCH_REG0 0x38 +#define XLP_PCI_DEVSCRATCH_REG1 0x39 +#define XLP_PCI_DEVSCRATCH_REG2 0x3a +#define XLP_PCI_DEVSCRATCH_REG3 0x3b +#define XLP_PCI_MSGSTN_REG 0x3c +#define XLP_PCI_IRTINFO_REG 0x3d +#define XLP_PCI_UCODEINFO_REG 0x3e +#define XLP_PCI_SBB_WT_REG 0x3f + +#if !defined(LOCORE) && !defined(__ASSEMBLY__) + +#define nlm_read_pci_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_pci_reg(b, r, v) nlm_write_reg(b, r, v) + +extern uint64_t xlp_sys_base; +extern uint64_t xlp_pic_base; +#endif /* !LOCORE or !__ASSEMBLY */ + +#endif /* __NLM_HAL_IOMAP_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/mmio.h b/arch/mips/include/asm/netlogic/xlp-hal/mmio.h new file mode 100644 index 0000000..5e57678 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/mmio.h @@ -0,0 +1,441 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_MMIO_H__ +#define __NLM_HAL_MMIO_H__ + +/* + * This file contains platform specific memory mapped IO implementation + * and will provide a way to read 32/64 bit memory mapped registers in + * all ABIs + */ +#if !defined(__mips_n32) && !defined(__mips_n64) +/* + * For o32 compilation, we have to disable interrupts and enable KX bit to + * access 64 bit addresses or data. + * + * We need to disable interrupts because we save just the lower 32 bits of + * registers in interrupt handling. So if we get hit by an interrupt while + * using the upper 32 bits of a register, we lose. + */ +static inline uint32_t nlm_enable_kx(void) +{ + uint32_t sr; + + __asm__ __volatile__( + "mfc0 %0, $12\n\t" /* read status reg */ + "move $8, %0\n\t" + "ori $8, $8, 0x81\n\t" /* set KX, and IE */ + "xori $8, $8, 0x1\n\t" /* flip IE */ + "mtc0 $8, $12\n\t" /* update status reg */ + : "=r"(sr) + : : "$8"); + + return sr; +} + +static inline void nlm_restore_kx(uint32_t sr) +{ + __asm__ __volatile__("mtc0 %0, $12" : : "r"(sr)); +} +#endif + +static inline uint32_t +nlm_load_word(uint64_t addr) +{ + volatile uint32_t *p = (volatile uint32_t *)(long)addr; + + return *p; +} + +static inline void +nlm_store_word(uint64_t addr, uint32_t val) +{ + volatile uint32_t *p = (volatile uint32_t *)(long)addr; + + *p = val; +} + +#if defined(__mips_n64) || defined(__mips_n32) +static inline uint64_t +nlm_load_dword(volatile uint64_t addr) +{ + volatile uint64_t *p = (volatile uint64_t *)(long)addr; + + return *p; +} + +static inline void +nlm_store_dword(volatile uint64_t addr, uint64_t val) +{ + volatile uint64_t *p = (volatile uint64_t *)(long)addr; + + *p = val; +} + +#else /* o32 */ +static inline uint64_t +nlm_load_dword(uint64_t addr) +{ + volatile uint64_t *p = (volatile uint64_t *)(long)addr; + uint32_t valhi, vallo, sr; + + sr = nlm_enable_kx(); + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "ld $8, 0(%2)\n\t" + "dsra32 %0, $8, 0\n\t" + "sll %1, $8, 0\n\t" + ".set pop\n" + : "=r"(valhi), "=r"(vallo) + : "r"(p) + : "$8"); + nlm_restore_kx(sr); + + return ((uint64_t)valhi << 32) | vallo; +} + +static inline void +nlm_store_dword(uint64_t addr, uint64_t val) +{ + volatile uint64_t *p = (volatile uint64_t *)(long)addr; + uint32_t valhi, vallo, sr; + + valhi = val >> 32; + vallo = val & 0xffffffff; + + sr = nlm_enable_kx(); + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "dsll32 $8, %1, 0\n\t" + "dsll32 $9, %2, 0\n\t" /* get rid of the */ + "dsrl32 $9, $9, 0\n\t" /* sign extend */ + "or $9, $9, $8\n\t" + "sd $9, 0(%0)\n\t" + ".set pop\n" + : : "r"(p), "r"(valhi), "r"(vallo) + : "$8", "$9", "memory"); + nlm_restore_kx(sr); +} +#endif + +#if defined(__mips_n64) +static inline uint64_t +nlm_load_word_daddr(uint64_t addr) +{ + volatile uint32_t *p = (volatile uint32_t *)(long)addr; + + return *p; +} + +static inline void +nlm_store_word_daddr(uint64_t addr, uint32_t val) +{ + volatile uint32_t *p = (volatile uint32_t *)(long)addr; + + *p = val; +} + +static inline uint64_t +nlm_load_dword_daddr(uint64_t addr) +{ + volatile uint64_t *p = (volatile uint64_t *)(long)addr; + + return *p; +} + +static inline void +nlm_store_dword_daddr(uint64_t addr, uint64_t val) +{ + volatile uint64_t *p = (volatile uint64_t *)(long)addr; + + *p = val; +} + +#elif defined(__mips_n32) + +static inline uint64_t +nlm_load_word_daddr(uint64_t addr) +{ + uint32_t val; + + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "lw %0, 0(%1)\n\t" + ".set pop\n" + : "=r"(val) + : "r"(addr)); + + return val; +} + +static inline void +nlm_store_word_daddr(uint64_t addr, uint32_t val) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "sw %0, 0(%1)\n\t" + ".set pop\n" + : : "r"(val), "r"(addr) + : "memory"); +} + +static inline uint64_t +nlm_load_dword_daddr(uint64_t addr) +{ + uint64_t val; + + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "ld %0, 0(%1)\n\t" + ".set pop\n" + : "=r"(val) + : "r"(addr)); + return val; +} + +static inline void +nlm_store_dword_daddr(uint64_t addr, uint64_t val) +{ + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "sd %0, 0(%1)\n\t" + ".set pop\n" + : : "r"(val), "r"(addr) + : "memory"); +} + +#else /* o32 */ +static inline uint64_t +nlm_load_word_daddr(uint64_t addr) +{ + uint32_t val, addrhi, addrlo, sr; + + addrhi = addr >> 32; + addrlo = addr & 0xffffffff; + + sr = nlm_enable_kx(); + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "dsll32 $8, %1, 0\n\t" + "dsll32 $9, %2, 0\n\t" + "dsrl32 $9, $9, 0\n\t" + "or $9, $9, $8\n\t" + "lw %0, 0($9)\n\t" + ".set pop\n" + : "=r"(val) + : "r"(addrhi), "r"(addrlo) + : "$8", "$9"); + nlm_restore_kx(sr); + + return val; + +} + +static inline void +nlm_store_word_daddr(uint64_t addr, uint32_t val) +{ + uint32_t addrhi, addrlo, sr; + + addrhi = addr >> 32; + addrlo = addr & 0xffffffff; + + sr = nlm_enable_kx(); + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "dsll32 $8, %1, 0\n\t" + "dsll32 $9, %2, 0\n\t" + "dsrl32 $9, $9, 0\n\t" + "or $9, $9, $8\n\t" + "sw %0, 0($9)\n\t" + ".set pop\n" + : : "r"(val), "r"(addrhi), "r"(addrlo) + : "$8", "$9", "memory"); + nlm_restore_kx(sr); +} + +static inline uint64_t +nlm_load_dword_daddr(uint64_t addr) +{ + uint32_t addrh, addrl, sr; + uint32_t valh, vall; + + addrh = addr >> 32; + addrl = addr & 0xffffffff; + + sr = nlm_enable_kx(); + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "dsll32 $8, %2, 0\n\t" + "dsll32 $9, %3, 0\n\t" + "dsrl32 $9, $9, 0\n\t" + "or $9, $9, $8\n\t" + "ld $8, 0($9)\n\t" + "dsra32 %0, $8, 0\n\t" + "sll %1, $8, 0\n\t" + ".set pop\n" + : "=r"(valh), "=r"(vall) + : "r"(addrh), "r"(addrl) + : "$8", "$9"); + nlm_restore_kx(sr); + + return ((uint64_t)valh << 32) | vall; +} + +static inline void +nlm_store_dword_daddr(uint64_t addr, uint64_t val) +{ + uint32_t addrh, addrl, sr; + uint32_t valh, vall; + + addrh = addr >> 32; + addrl = addr & 0xffffffff; + valh = val >> 32; + vall = val & 0xffffffff; + + sr = nlm_enable_kx(); + __asm__ __volatile__( + ".set push\n\t" + ".set mips64\n\t" + "dsll32 $8, %2, 0\n\t" + "dsll32 $9, %3, 0\n\t" + "dsrl32 $9, $9, 0\n\t" + "or $9, $9, $8\n\t" + "dsll32 $8, %0, 0\n\t" + "dsll32 $10, %1, 0\n\t" + "dsrl32 $10, $10, 0\n\t" + "or $8, $8, $10\n\t" + "sd $8, 0($9)\n\t" + ".set pop\n" + : : "r"(valh), "r"(vall), "r"(addrh), "r"(addrl) + : "$8", "$9", "memory"); + nlm_restore_kx(sr); +} +#endif /* __mips_n64 */ + +static inline uint32_t +nlm_read_reg(uint64_t base, uint32_t reg) +{ + volatile uint32_t *addr = (volatile uint32_t *)(long)base + reg; + + return *addr; +} + +static inline void +nlm_write_reg(uint64_t base, uint32_t reg, uint32_t val) +{ + volatile uint32_t *addr = (volatile uint32_t *)(long)base + reg; + + *addr = val; +} + +static inline uint64_t +nlm_read_reg64(uint64_t base, uint32_t reg) +{ + uint64_t addr = base + (reg >> 1) * sizeof(uint64_t); + + return nlm_load_dword(addr); +} + +static inline void +nlm_write_reg64(uint64_t base, uint32_t reg, uint64_t val) +{ + uint64_t addr = base + (reg >> 1) * sizeof(uint64_t); + + return nlm_store_dword(addr, val); +} + +/* + * Routines to store 32/64 bit values to 64 bit addresses, + * used when going thru XKPHYS to access registers + */ +static inline uint32_t +nlm_read_reg_xkphys(uint64_t base, uint32_t reg) +{ + uint64_t addr = base + reg * sizeof(uint32_t); + + return nlm_load_word_daddr(addr); +} + +static inline void +nlm_write_reg_xkphys(uint64_t base, uint32_t reg, uint32_t val) +{ + uint64_t addr = base + reg * sizeof(uint32_t); + return nlm_store_word_daddr(addr, val); +} + +static inline uint64_t +nlm_read_reg64_xkphys(uint64_t base, uint32_t reg) +{ + uint64_t addr = base + (reg >> 1) * sizeof(uint64_t); + + return nlm_load_dword_daddr(addr); +} + +static inline void +nlm_write_reg64_xkphys(uint64_t base, uint32_t reg, uint64_t val) +{ + uint64_t addr = base + (reg >> 1) * sizeof(uint64_t); + + return nlm_store_dword_daddr(addr, val); +} + +/* Location where IO base is mapped */ +extern uint64_t xlp_io_base; + +static inline uint64_t +nlm_pcicfg_base(uint32_t devoffset) +{ + return xlp_io_base + devoffset; +} + +static inline uint64_t +nlm_xkphys_map_pcibar0(uint64_t pcibase) +{ + uint64_t paddr; + + paddr = nlm_read_reg(pcibase, 0x4) & ~0xfu; + return (uint64_t)0x9000000000000000 | paddr; +} + +#endif diff --git a/arch/mips/include/asm/netlogic/xlp-hal/pic.h b/arch/mips/include/asm/netlogic/xlp-hal/pic.h new file mode 100644 index 0000000..b06bef1 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/pic.h @@ -0,0 +1,339 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _NLM_HAL_PIC_H +#define _NLM_HAL_PIC_H + +/* PIC Specific registers */ +#define PIC_CTRL 0x00 +#define PIC_BYTESWAP 0x02 +#define PIC_STATUS 0x04 +#define PIC_INTR_TIMEOUT 0x06 +#define PIC_ICI0_INTR_TIMEOUT 0x08 +#define PIC_ICI1_INTR_TIMEOUT 0x0a +#define PIC_ICI2_INTR_TIMEOUT 0x0c +#define PIC_IPI_CTL 0x0e +#define PIC_INT_ACK 0x10 +#define PIC_INT_PENDING0 0x12 +#define PIC_INT_PENDING1 0x14 +#define PIC_INT_PENDING2 0x16 + +#define PIC_WDOG0_MAXVAL 0x18 +#define PIC_WDOG0_COUNT 0x1a +#define PIC_WDOG0_ENABLE0 0x1c +#define PIC_WDOG0_ENABLE1 0x1e +#define PIC_WDOG0_BEATCMD 0x20 +#define PIC_WDOG0_BEAT0 0x22 +#define PIC_WDOG0_BEAT1 0x24 + +#define PIC_WDOG1_MAXVAL 0x26 +#define PIC_WDOG1_COUNT 0x28 +#define PIC_WDOG1_ENABLE0 0x2a +#define PIC_WDOG1_ENABLE1 0x2c +#define PIC_WDOG1_BEATCMD 0x2e +#define PIC_WDOG1_BEAT0 0x30 +#define PIC_WDOG1_BEAT1 0x32 + +#define PIC_WDOG_MAXVAL(i) (PIC_WDOG0_MAXVAL + ((i) ? 7 : 0)) +#define PIC_WDOG_COUNT(i) (PIC_WDOG0_COUNT + ((i) ? 7 : 0)) +#define PIC_WDOG_ENABLE0(i) (PIC_WDOG0_ENABLE0 + ((i) ? 7 : 0)) +#define PIC_WDOG_ENABLE1(i) (PIC_WDOG0_ENABLE1 + ((i) ? 7 : 0)) +#define PIC_WDOG_BEATCMD(i) (PIC_WDOG0_BEATCMD + ((i) ? 7 : 0)) +#define PIC_WDOG_BEAT0(i) (PIC_WDOG0_BEAT0 + ((i) ? 7 : 0)) +#define PIC_WDOG_BEAT1(i) (PIC_WDOG0_BEAT1 + ((i) ? 7 : 0)) + +#define PIC_SYSTIMER0_MAXVAL 0x34 +#define PIC_SYSTIMER1_MAXVAL 0x36 +#define PIC_SYSTIMER2_MAXVAL 0x38 +#define PIC_SYSTIMER3_MAXVAL 0x3a +#define PIC_SYSTIMER4_MAXVAL 0x3c +#define PIC_SYSTIMER5_MAXVAL 0x3e +#define PIC_SYSTIMER6_MAXVAL 0x40 +#define PIC_SYSTIMER7_MAXVAL 0x42 +#define PIC_SYSTIMER_MAXVAL(i) (PIC_SYSTIMER0_MAXVAL + ((i)*2)) + +#define PIC_SYSTIMER0_COUNT 0x44 +#define PIC_SYSTIMER1_COUNT 0x46 +#define PIC_SYSTIMER2_COUNT 0x48 +#define PIC_SYSTIMER3_COUNT 0x4a +#define PIC_SYSTIMER4_COUNT 0x4c +#define PIC_SYSTIMER5_COUNT 0x4e +#define PIC_SYSTIMER6_COUNT 0x50 +#define PIC_SYSTIMER7_COUNT 0x52 +#define PIC_SYS_TIMER_COUNTER(i) (PIC_SYSTIMER0_COUNT + ((i)*2)) + +#define PIC_ITE0_N0_N1 0x54 +#define PIC_ITE1_N0_N1 0x58 +#define PIC_ITE2_N0_N1 0x5c +#define PIC_ITE3_N0_N1 0x60 +#define PIC_ITE4_N0_N1 0x64 +#define PIC_ITE5_N0_N1 0x68 +#define PIC_ITE6_N0_N1 0x6c +#define PIC_ITE7_N0_N1 0x70 +#define PIC_ITE_N0_N1(i) (PIC_ITE0_N0_N1 + ((i)*4)) + +#define PIC_ITE0_N2_N3 0x56 +#define PIC_ITE1_N2_N3 0x5a +#define PIC_ITE2_N2_N3 0x5e +#define PIC_ITE3_N2_N3 0x62 +#define PIC_ITE4_N2_N3 0x66 +#define PIC_ITE5_N2_N3 0x6a +#define PIC_ITE6_N2_N3 0x6e +#define PIC_ITE7_N2_N3 0x72 +#define PIC_ITE_N2_N3(i) (PIC_ITE0_N2_N3 + ((i)*4)) + +#define PIC_IRT0 0x74 +#define PIC_IRT(i) (PIC_IRT0 + ((i)*2)) + +#define TIMER_CYCLES_MAXVAL 0xffffffffffffffffULL + +/* + * IRT Map + */ +#define PIC_NUM_IRTS 160 + +#define PIC_IRT_WD_0_INDEX 0 +#define PIC_IRT_WD_1_INDEX 1 +#define PIC_IRT_WD_NMI_0_INDEX 2 +#define PIC_IRT_WD_NMI_1_INDEX 3 +#define PIC_IRT_TIMER_0_INDEX 4 +#define PIC_IRT_TIMER_1_INDEX 5 +#define PIC_IRT_TIMER_2_INDEX 6 +#define PIC_IRT_TIMER_3_INDEX 7 +#define PIC_IRT_TIMER_4_INDEX 8 +#define PIC_IRT_TIMER_5_INDEX 9 +#define PIC_IRT_TIMER_6_INDEX 10 +#define PIC_IRT_TIMER_7_INDEX 11 +#define PIC_IRT_CLOCK_INDEX PIC_IRT_TIMER_7_INDEX +/* 11 and 12 */ +#define PIC_NUM_MSG_Q_IRTS 32 +#define PIC_IRT_MSG_Q0_INDEX 12 +#define PIC_IRT_MSG_Q_INDEX(qid) ((qid) + PIC_IRT_MSG_Q0_INDEX) +/* 12 to 43 */ +#define PIC_IRT_MSG_0_INDEX 44 +#define PIC_IRT_MSG_1_INDEX 45 +/* 44 and 45 */ +#define PIC_NUM_PCIE_MSIX_IRTS 32 +#define PIC_IRT_PCIE_MSIX_0_INDEX 46 +#define PIC_IRT_PCIE_MSIX_INDEX(num) ((num) + PIC_IRT_PCIE_MSIX_0_INDEX) +/* 46 to 77 */ +#define PIC_NUM_PCIE_LINK_IRTS 4 +#define PIC_IRT_PCIE_LINK_0_INDEX 78 +#define PIC_IRT_PCIE_LINK_INDEX(num) ((num) + PIC_IRT_PCIE_LINK_0_INDEX) +/* 78 to 81 */ +#define PIC_NUM_NA_IRTS 32 +#define PIC_IRT_NA_0_INDEX 82 +#define PIC_IRT_NA_INDEX(num) ((num) + PIC_IRT_NA_0_INDEX) +/* 82 to 113 */ +#define PIC_IRT_POE_INDEX 114 + +#define PIC_NUM_USB_IRTS 6 +#define PIC_IRT_USB_0_INDEX 115 +#define PIC_IRT_EHCI0_INDEX 115 +#define PIC_IRT_EHCI1_INDEX 118 +#define PIC_IRT_USB_INDEX(num) ((num) + PIC_IRT_USB_0_INDEX) +/* 115 to 120 */ +#define PIC_IRT_GDX_INDEX 121 +#define PIC_IRT_SEC_INDEX 122 +#define PIC_IRT_RSA_INDEX 123 + +#define PIC_NUM_COMP_IRTS 4 +#define PIC_IRT_COMP_0_INDEX 124 +#define PIC_IRT_COMP_INDEX(num) ((num) + PIC_IRT_COMP_0_INDEX) +/* 124 to 127 */ +#define PIC_IRT_GBU_INDEX 128 +#define PIC_IRT_ICC_0_INDEX 129 /* ICC - Inter Chip Coherency */ +#define PIC_IRT_ICC_1_INDEX 130 +#define PIC_IRT_ICC_2_INDEX 131 +#define PIC_IRT_CAM_INDEX 132 +#define PIC_IRT_UART_0_INDEX 133 +#define PIC_IRT_UART_1_INDEX 134 +#define PIC_IRT_I2C_0_INDEX 135 +#define PIC_IRT_I2C_1_INDEX 136 +#define PIC_IRT_SYS_0 137 +#define PIC_IRT_SYS_1 138 +#define PIC_IRT_JTAG_INDEX 139 +#define PIC_IRT_PIC 140 +#define PIC_IRT_NBU 141 +#define PIC_IRT_TCU 142 +#define PIC_IRT_GCU 143 /* GBC - Global Coherency */ +#define PIC_IRT_DMC_0_INDEX 144 +#define PIC_IRT_DMC_1_INDEX 145 + +#define PIC_NUM_GPIO_IRTS 4 +#define PIC_IRT_GPIO_0_INDEX 146 +#define PIC_IRT_GPIO_INDEX(num) ((num) + PIC_IRT_GPIO_0_INDEX) +/* 146 to 149 */ +#define PIC_IRT_NOR 150 +#define PIC_IRT_NAND 151 +#define PIC_IRT_SPI 152 +#define PIC_IRT_MMC 153 + +#define PIC_CLOCK_TIMER 7 +#define PIC_IRQ_BASE 8 + +#if !defined(LOCORE) && !defined(__ASSEMBLY__) + +#define PIC_IRT_FIRST_IRQ (PIC_IRQ_BASE) +#define PIC_WD_0_IRQ nlm_irt_to_irq(PIC_IRT_WD_0_INDEX) +#define PIC_WD_1_IRQ nlm_irt_to_irq(PIC_IRT_WD_1_INDEX) +#define PIC_TIMER_0_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_0_INDEX) +#define PIC_TIMER_1_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_1_INDEX) +#define PIC_TIMER_2_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_2_INDEX) +#define PIC_TIMER_3_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_3_INDEX) +#define PIC_TIMER_4_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_4_INDEX) +#define PIC_TIMER_5_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_5_INDEX) +#define PIC_TIMER_6_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_6_INDEX) +#define PIC_TIMER_7_IRQ nlm_irt_to_irq(PIC_IRT_TIMER_7_INDEX) +#define PIC_CLOCK_IRQ (PIC_TIMER_7_IRQ) +#define PIC_UART_0_IRQ 17 +#define PIC_UART_1_IRQ 18 +#define PIC_I2C_0_IRQ nlm_irt_to_irq(PIC_IRT_I2C_0_INDEX) +#define PIC_I2C_1_IRQ nlm_irt_to_irq(PIC_IRT_I2C_1_INDEX) +#define PIC_GPIO_IRQ(num) nlm_irt_to_irq(PIC_IRT_GPIO_INDEX(num)) +#define PIC_IRT_LAST_IRQ (PIC_IRQ_BASE + PIC_NUM_IRTS - 1) + +#define PIC_IRQ_IS_IRT(irq) ((irq) >= PIC_IRT_FIRST_IRQ) + +/* + * Misc + */ +#define IRT_VALID 1 +#define LOCAL_SCHEDULING 1 +#define GLOBAL_SCHEDULING 0 + +#define nlm_read_pic_reg(b, r) nlm_read_reg64(b, r) +#define nlm_write_pic_reg(b, r, v) nlm_write_reg64(b, r, v) +#define nlm_get_pic_pcibase(node) nlm_pcicfg_base(XLP_IO_PIC_OFFSET(node)) +#define nlm_get_pic_regbase(node) (nlm_get_pic_pcibase(node) + XLP_IO_PCI_HDRSZ) + +/* IRT and h/w interrupt routines */ +static inline int +nlm_pic_read_irt(uint64_t base, int irt_index) +{ + return nlm_read_pic_reg(base, PIC_IRT(irt_index)); +} + +static inline void +nlm_pic_send_ipi(uint64_t base, int nmi, int vec, int node, int cpu) +{ + uint64_t ipi; + + ipi = ((uint64_t)nmi << 31) | (vec << 20) | (node << 17) | + (1 << (cpu & 0xf)); + if (cpu > 15) + ipi |= 0x10000; /* Setting bit 16 to select cpus 16-31 */ + + nlm_write_pic_reg(base, PIC_IPI_CTL, ipi); +} + +static inline uint64_t +nlm_pic_read_control(uint64_t base) +{ + return nlm_read_pic_reg(base, PIC_CTRL); +} + +static inline void +nlm_pic_write_control(uint64_t base, uint64_t control) +{ + nlm_write_pic_reg(base, PIC_CTRL, control); +} + +static inline void +nlm_pic_update_control(uint64_t base, uint64_t control) +{ + uint64_t val; + + val = nlm_read_pic_reg(base, PIC_CTRL); + nlm_write_pic_reg(base, PIC_CTRL, control | val); +} + +static inline void +nlm_ack_pic(uint64_t base, int irt_num) +{ + nlm_write_pic_reg(base, PIC_INT_ACK, irt_num); + + /* Ack the Status register for Watchdog & System timers */ + if (irt_num < 12) + nlm_write_pic_reg(base, PIC_STATUS, (1 << irt_num)); +} + +static inline void +nlm_set_irt_to_cpu(uint64_t base, int irt, int cpu) +{ + uint64_t val; + + val = nlm_read_pic_reg(base, PIC_IRT(irt)); + val |= cpu & 0xf; + if (cpu > 15) + val |= 1 << 16; + nlm_write_pic_reg(base, PIC_IRT(irt), val); +} + +static inline void +nlm_pic_write_irt(uint64_t base, int irt_num, int en, int nmi, + int sch, int vec, int dt, int db, int dte) +{ + uint64_t val; + + val = (((uint64_t)en & 0x1) << 31) | ((nmi & 0x1) << 29) | + ((sch & 0x1) << 28) | ((vec & 0x3f) << 20) | + ((dt & 0x1) << 19) | ((db & 0x7) << 16) | + (dte & 0xffff); + + nlm_write_pic_reg(base, PIC_IRT(irt_num), val); +} + +static inline void +nlm_pic_write_irt_direct(uint64_t base, int irt_num, int en, int nmi, + int sch, int vec, int cpu) +{ + nlm_pic_write_irt(base, irt_num, en, nmi, sch, vec, 1, (cpu >> 2) & 0x1, + cpu & 0x3); +} + +static inline uint64_t +nlm_pic_read_timer(uint64_t base, int timer) +{ + return nlm_read_pic_reg(base, PIC_SYS_TIMER_COUNTER(timer)); +} + +static inline void +nlm_pic_write_timer(uint64_t base, int timer, uint64_t value) +{ + nlm_write_pic_reg(base, PIC_SYS_TIMER_COUNTER(timer), value); +} + +#endif /* __ASSEMBLY__ */ +#endif /* _NLM_HAL_PIC_H */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/sys.h b/arch/mips/include/asm/netlogic/xlp-hal/sys.h new file mode 100644 index 0000000..973b48d --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/sys.h @@ -0,0 +1,128 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __NLM_HAL_SYS_H__ +#define __NLM_HAL_SYS_H__ + +/** +* @file_name sys.h +* @author Netlogic Microsystems +* @brief HAL for System configuration registers +*/ +#define SYS_CHIP_RESET 0x00 +#define SYS_POWER_ON_RESET_CFG 0x01 +#define SYS_EFUSE_DEVICE_CFG_STATUS0 0x02 +#define SYS_EFUSE_DEVICE_CFG_STATUS1 0x03 +#define SYS_EFUSE_DEVICE_CFG_STATUS2 0x04 +#define SYS_EFUSE_DEVICE_CFG3 0x05 +#define SYS_EFUSE_DEVICE_CFG4 0x06 +#define SYS_EFUSE_DEVICE_CFG5 0x07 +#define SYS_EFUSE_DEVICE_CFG6 0x08 +#define SYS_EFUSE_DEVICE_CFG7 0x09 +#define SYS_PLL_CTRL 0x0a +#define SYS_CPU_RESET 0x0b +#define SYS_CPU_NONCOHERENT_MODE 0x0d +#define SYS_CORE_DFS_DIS_CTRL 0x0e +#define SYS_CORE_DFS_RST_CTRL 0x0f +#define SYS_CORE_DFS_BYP_CTRL 0x10 +#define SYS_CORE_DFS_PHA_CTRL 0x11 +#define SYS_CORE_DFS_DIV_INC_CTRL 0x12 +#define SYS_CORE_DFS_DIV_DEC_CTRL 0x13 +#define SYS_CORE_DFS_DIV_VALUE 0x14 +#define SYS_RESET 0x15 +#define SYS_DFS_DIS_CTRL 0x16 +#define SYS_DFS_RST_CTRL 0x17 +#define SYS_DFS_BYP_CTRL 0x18 +#define SYS_DFS_DIV_INC_CTRL 0x19 +#define SYS_DFS_DIV_DEC_CTRL 0x1a +#define SYS_DFS_DIV_VALUE0 0x1b +#define SYS_DFS_DIV_VALUE1 0x1c +#define SYS_SENSE_AMP_DLY 0x1d +#define SYS_SOC_SENSE_AMP_DLY 0x1e +#define SYS_CTRL0 0x1f +#define SYS_CTRL1 0x20 +#define SYS_TIMEOUT_BS1 0x21 +#define SYS_BYTE_SWAP 0x22 +#define SYS_VRM_VID 0x23 +#define SYS_PWR_RAM_CMD 0x24 +#define SYS_PWR_RAM_ADDR 0x25 +#define SYS_PWR_RAM_DATA0 0x26 +#define SYS_PWR_RAM_DATA1 0x27 +#define SYS_PWR_RAM_DATA2 0x28 +#define SYS_PWR_UCODE 0x29 +#define SYS_CPU0_PWR_STATUS 0x2a +#define SYS_CPU1_PWR_STATUS 0x2b +#define SYS_CPU2_PWR_STATUS 0x2c +#define SYS_CPU3_PWR_STATUS 0x2d +#define SYS_CPU4_PWR_STATUS 0x2e +#define SYS_CPU5_PWR_STATUS 0x2f +#define SYS_CPU6_PWR_STATUS 0x30 +#define SYS_CPU7_PWR_STATUS 0x31 +#define SYS_STATUS 0x32 +#define SYS_INT_POL 0x33 +#define SYS_INT_TYPE 0x34 +#define SYS_INT_STATUS 0x35 +#define SYS_INT_MASK0 0x36 +#define SYS_INT_MASK1 0x37 +#define SYS_UCO_S_ECC 0x38 +#define SYS_UCO_M_ECC 0x39 +#define SYS_UCO_ADDR 0x3a +#define SYS_UCO_INSTR 0x3b +#define SYS_MEM_BIST0 0x3c +#define SYS_MEM_BIST1 0x3d +#define SYS_MEM_BIST2 0x3e +#define SYS_MEM_BIST3 0x3f +#define SYS_MEM_BIST4 0x40 +#define SYS_MEM_BIST5 0x41 +#define SYS_MEM_BIST6 0x42 +#define SYS_MEM_BIST7 0x43 +#define SYS_MEM_BIST8 0x44 +#define SYS_MEM_BIST9 0x45 +#define SYS_MEM_BIST10 0x46 +#define SYS_MEM_BIST11 0x47 +#define SYS_MEM_BIST12 0x48 +#define SYS_SCRTCH0 0x49 +#define SYS_SCRTCH1 0x4a +#define SYS_SCRTCH2 0x4b +#define SYS_SCRTCH3 0x4c + +#if !defined(LOCORE) && !defined(__ASSEMBLY__) + +#define nlm_read_sys_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_sys_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_sys_pcibase(node) nlm_pcicfg_base(XLP_IO_SYS_OFFSET(node)) +#define nlm_get_sys_regbase(node) (nlm_get_sys_pcibase(node) + XLP_IO_PCI_HDRSZ) + +#endif +#endif diff --git a/arch/mips/include/asm/netlogic/xlp-hal/uart.h b/arch/mips/include/asm/netlogic/xlp-hal/uart.h new file mode 100644 index 0000000..6a05d13 --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/uart.h @@ -0,0 +1,191 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef __XLP_HAL_UART_H__ +#define __XLP_HAL_UART_H__ + +/* UART Specific registers */ +#define RX_DATA 0x00 +#define TX_DATA 0x00 + +#define INT_EN 0x01 +#define INT_ID 0x02 +#define FIFO_CTL 0x02 +#define LINE_CTL 0x03 +#define MODEM_CTL 0x04 +#define LINE_STS 0x05 +#define MODEM_STS 0x06 + +#define DIVISOR0 0x00 +#define DIVISOR1 0x01 + +#define BASE_BAUD (XLP_IO_CLK/16) +#define BAUD_DIVISOR(baud) (BASE_BAUD / baud) + +/* LCR mask values */ +#define LCR_5BITS 0x00 +#define LCR_6BITS 0x01 +#define LCR_7BITS 0x02 +#define LCR_8BITS 0x03 +#define LCR_STOPB 0x04 +#define LCR_PENAB 0x08 +#define LCR_PODD 0x00 +#define LCR_PEVEN 0x10 +#define LCR_PONE 0x20 +#define LCR_PZERO 0x30 +#define LCR_SBREAK 0x40 +#define LCR_EFR_ENABLE 0xbf +#define LCR_DLAB 0x80 + +/* MCR mask values */ +#define MCR_DTR 0x01 +#define MCR_RTS 0x02 +#define MCR_DRS 0x04 +#define MCR_IE 0x08 +#define MCR_LOOPBACK 0x10 + +/* FCR mask values */ +#define FCR_RCV_RST 0x02 +#define FCR_XMT_RST 0x04 +#define FCR_RX_LOW 0x00 +#define FCR_RX_MEDL 0x40 +#define FCR_RX_MEDH 0x80 +#define FCR_RX_HIGH 0xc0 + +/* IER mask values */ +#define IER_ERXRDY 0x1 +#define IER_ETXRDY 0x2 +#define IER_ERLS 0x4 +#define IER_EMSC 0x8 + +#if !defined(LOCORE) && !defined(__ASSEMBLY__) + +#define nlm_read_uart_reg(b, r) nlm_read_reg(b, r) +#define nlm_write_uart_reg(b, r, v) nlm_write_reg(b, r, v) +#define nlm_get_uart_pcibase(node, inst) \ + nlm_pcicfg_base(XLP_IO_UART_OFFSET(node, inst)) +#define nlm_get_uart_regbase(node, inst) \ + (nlm_get_uart_pcibase(node, inst) + XLP_IO_PCI_HDRSZ) + +static inline void +nlm_uart_set_baudrate(uint64_t base, int baud) +{ + uint32_t lcr; + + lcr = nlm_read_uart_reg(base, LINE_CTL); + + /* enable divisor register, and write baud values */ + nlm_write_uart_reg(base, LINE_CTL, lcr | (1 << 7)); + nlm_write_uart_reg(base, DIVISOR0, + (BAUD_DIVISOR(baud) & 0xff)); + nlm_write_uart_reg(base, DIVISOR1, + ((BAUD_DIVISOR(baud) >> 8) & 0xff)); + + /* restore default lcr */ + nlm_write_uart_reg(base, LINE_CTL, lcr); +} + +static inline void +nlm_outbyte(uint64_t base, char c) +{ + uint32_t lsr; + + for (;;) { + lsr = nlm_read_uart_reg(base, LINE_STS); + if (lsr & 0x20) + break; + } + + nlm_write_uart_reg(base, TX_DATA, (int)c); +} + +static inline char +nlm_inbyte(uint64_t base) +{ + int data, lsr; + + for (;;) { + lsr = nlm_read_uart_reg(base, LINE_STS); + if (lsr & 0x80) { /* parity/frame/break-error - push a zero */ + data = 0; + break; + } + if (lsr & 0x01) { /* Rx data */ + data = nlm_read_uart_reg(base, RX_DATA); + break; + } + } + + return (char)data; +} + +static inline int +nlm_uart_init(uint64_t base, int baud, int databits, int stopbits, + int parity, int int_en, int loopback) +{ + uint32_t lcr; + + lcr = 0; + if (databits >= 8) + lcr |= LCR_8BITS; + else if (databits == 7) + lcr |= LCR_7BITS; + else if (databits == 6) + lcr |= LCR_6BITS; + else + lcr |= LCR_5BITS; + + if (stopbits > 1) + lcr |= LCR_STOPB; + + lcr |= parity << 3; + + /* setup default lcr */ + nlm_write_uart_reg(base, LINE_CTL, lcr); + + /* Reset the FIFOs */ + nlm_write_uart_reg(base, LINE_CTL, FCR_RCV_RST | FCR_XMT_RST); + + nlm_uart_set_baudrate(base, baud); + + if (loopback) + nlm_write_uart_reg(base, MODEM_CTL, 0x1f); + + if (int_en) + nlm_write_uart_reg(base, INT_EN, IER_ERXRDY | IER_ETXRDY); + + return 0; +} +#endif /* !LOCORE && !__ASSEMBLY__ */ +#endif /* __XLP_HAL_UART_H__ */ diff --git a/arch/mips/include/asm/netlogic/xlp-hal/xlp.h b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h new file mode 100644 index 0000000..b08bd9a --- /dev/null +++ b/arch/mips/include/asm/netlogic/xlp-hal/xlp.h @@ -0,0 +1,68 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef _NLM_HAL_XLP_H +#define _NLM_HAL_XLP_H + +#define RESET_VEC_PHYS 0x1fc00000 +#define RESET_DATA_PHYS (RESET_VEC_PHYS + (1<<10)) +#define BOOT_THREAD_MODE 0 + +#ifndef __ASSEMBLY__ +/* Platform UART functions */ +struct uart_port; +unsigned int nlm_xlr_uart_in(struct uart_port *, int); +void nlm_xlr_uart_out(struct uart_port *, int, int); + +/* SMP support functions */ +struct irq_desc; +void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc); +void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc); +int nlm_wakeup_secondary_cpus(u32 wakeup_mask); +void nlm_smp_irq_init(void); +void nlm_boot_smp_nmi(void); +void prom_pre_boot_secondary_cpus(void); +void nlm_boot_core0_siblings(void); + +extern struct plat_smp_ops nlm_smp_ops; +extern unsigned long nlm_common_ebase; +extern char nlm_reset_entry[], nlm_reset_entry_end[]; + +void xlp_mmu_init(void); +void nlm_hal_init(void); +int nlm_irq_to_irt(int irq); +int nlm_irt_to_irq(int irt); + +#endif /* !__ASSEMBLY__ */ +#endif /* _ASM_NLM_XLP_H */ diff --git a/arch/mips/netlogic/xlp/Makefile b/arch/mips/netlogic/xlp/Makefile new file mode 100644 index 0000000..d1023e0 --- /dev/null +++ b/arch/mips/netlogic/xlp/Makefile @@ -0,0 +1,4 @@ +obj-y = setup.o platform.o irq.o setup.o time.o nlm_hal.o +obj-$(CONFIG_EARLY_PRINTK) += xlp_console.o + +EXTRA_CFLAGS += -Werror diff --git a/arch/mips/netlogic/xlp/irq.c b/arch/mips/netlogic/xlp/irq.c new file mode 100644 index 0000000..daad851 --- /dev/null +++ b/arch/mips/netlogic/xlp/irq.c @@ -0,0 +1,240 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/linkage.h> +#include <linux/interrupt.h> +#include <linux/spinlock.h> +#include <linux/mm.h> +#include <linux/slab.h> +#include <linux/irq.h> + +#include <asm/errno.h> +#include <asm/signal.h> +#include <asm/system.h> +#include <asm/ptrace.h> +#include <asm/mipsregs.h> +#include <asm/thread_info.h> + +#include <asm/netlogic/mips-extns.h> +#include <asm/netlogic/interrupt.h> + +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/pic.h> +/* + * These are the routines that handle all the low level interrupt stuff. + * Actions handled here are: initialization of the interrupt map, requesting of + * interrupt lines by handlers, dispatching if interrupts to handlers, probing + * for interrupt lines + */ + +/* Globals */ +static uint64_t nlm_xlp_irq_mask; +static DEFINE_SPINLOCK(nlm_common_pic_lock); + +static void xlp_pic_enable(struct irq_data *d) +{ + unsigned long flags; + uint64_t reg; + int irt, irq; + + irq = d->irq; + irt = nlm_irq_to_irt(irq); + if (irt == -1) + return; + + spin_lock_irqsave(&nlm_common_pic_lock, flags); + + reg = nlm_read_pic_reg(xlp_pic_base, PIC_IRT(irt)); + nlm_write_pic_reg(xlp_pic_base, PIC_IRT(irt), + reg | (1 << 28) | (1 << 31)); + + spin_unlock_irqrestore(&nlm_common_pic_lock, flags); +} + +static void xlp_pic_disable(struct irq_data *d) +{ + uint64_t reg; + unsigned long flags; + int irt, irq; + + irq = d->irq; + irt = nlm_irq_to_irt(irq); + if (irt == -1) + return; + + spin_lock_irqsave(&nlm_common_pic_lock, flags); + reg = nlm_read_pic_reg(xlp_pic_base, PIC_IRT(irt)); + nlm_write_pic_reg(xlp_pic_base, PIC_IRT(irt), (reg & ~(1 << 31))); + spin_unlock_irqrestore(&nlm_common_pic_lock, flags); +} + +static void xlp_pic_mask_ack(struct irq_data *d) +{ + uint64_t mask = 1ull << d->irq; + + write_c0_eirr(mask); /* ack by writing EIRR */ +} + +static void xlp_pic_unmask(struct irq_data *d) +{ + unsigned long flags; + int irt, irq; + + irq = d->irq; + irt = nlm_irq_to_irt(irq); + if (irt == -1) + return; + + /* If level triggered, ack it after the device condition is cleared */ + spin_lock_irqsave(&nlm_common_pic_lock, flags); + nlm_ack_pic(xlp_pic_base, irt); + spin_unlock_irqrestore(&nlm_common_pic_lock, flags); +} + +static struct irq_chip xlp_pic = { + .name = "XLP-PIC", + .irq_enable = xlp_pic_enable, + .irq_disable = xlp_pic_disable, + .irq_mask_ack = xlp_pic_mask_ack, + .irq_unmask = xlp_pic_unmask, +}; + +static void cpuintr_disable(struct irq_data *d) +{ + uint64_t eimr; + uint64_t mask = 1ull << d->irq; + + eimr = read_c0_eimr(); + write_c0_eimr(eimr & ~mask); +} + +static void cpuintr_enable(struct irq_data *d) +{ + uint64_t eimr; + uint64_t mask = 1ull << d->irq; + + eimr = read_c0_eimr(); + write_c0_eimr(eimr | mask); +} + +static void cpuintr_ack(struct irq_data *d) +{ + uint64_t mask = 1ull << d->irq; + + write_c0_eirr(mask); +} + +static void cpuintr_nop(struct irq_data *d) +{ + WARN(d->irq >= PIC_IRQ_BASE, "Bad irq %d", d->irq); +} + +/* + * Chip definition for CPU originated interrupts(timer, msg) and + * IPIs + */ +struct irq_chip nlm_cpu_intr = { + .name = "XLP-CPU-INTR", + .irq_enable = cpuintr_enable, + .irq_disable = cpuintr_disable, + .irq_mask = cpuintr_nop, + .irq_ack = cpuintr_nop, + .irq_eoi = cpuintr_ack, +}; + +void __init init_nlm_common_irqs(void) +{ + int i, irq, irt; + + for (i = 0; i < PIC_IRT_FIRST_IRQ; i++) + irq_set_chip_and_handler(i, &nlm_cpu_intr, handle_percpu_irq); + + for (i = PIC_IRT_FIRST_IRQ; i <= PIC_IRT_LAST_IRQ ; i++) + irq_set_chip_and_handler(i, &xlp_pic, handle_level_irq); + +#ifdef CONFIG_SMP + irq_set_chip_and_handler(IRQ_IPI_SMP_FUNCTION, &nlm_cpu_intr, + nlm_smp_function_ipi_handler); + irq_set_chip_and_handler(IRQ_IPI_SMP_RESCHEDULE, &nlm_cpu_intr, + nlm_smp_resched_ipi_handler); + nlm_xlp_irq_mask |= + ((1ULL << IRQ_IPI_SMP_FUNCTION) | (1ULL << IRQ_IPI_SMP_RESCHEDULE)); +#endif + + for (irq = PIC_IRT_FIRST_IRQ; irq <= PIC_IRT_LAST_IRQ; irq++) { + nlm_xlp_irq_mask |= (1ULL << irq); + irt = nlm_irq_to_irt(irq); + if (irt == -1) + continue; + nlm_pic_write_irt_direct(xlp_pic_base, irt, 1, 0, 0, irq, 1); + } + + nlm_xlp_irq_mask |= (1ULL << IRQ_TIMER); +} + +void __init arch_init_irq(void) +{ + /* Initialize the irq descriptors */ + init_nlm_common_irqs(); + + write_c0_eimr(nlm_xlp_irq_mask); +} + +void __cpuinit nlm_smp_irq_init(void) +{ + /* set interrupt mask for non-zero cpus */ + write_c0_eimr(nlm_xlp_irq_mask); +} + +asmlinkage void plat_irq_dispatch(void) +{ + uint64_t eirr; + int i; + + eirr = read_c0_eirr() & read_c0_eimr(); + if (eirr & (1 << IRQ_TIMER)) { + do_IRQ(IRQ_TIMER); + return; + } + + i = __ilog2_u64(eirr); + if (i == -1) + return; + + do_IRQ(i); +} diff --git a/arch/mips/netlogic/xlp/nlm_hal.c b/arch/mips/netlogic/xlp/nlm_hal.c new file mode 100644 index 0000000..e91aaab --- /dev/null +++ b/arch/mips/netlogic/xlp/nlm_hal.c @@ -0,0 +1,84 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/types.h> +#include <linux/kernel.h> +#include <linux/mm.h> +#include <linux/delay.h> + +#include <asm/mipsregs.h> +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/pic.h> +#include <asm/netlogic/xlp-hal/sys.h> + +/* These addresses are computed by the nlm_hal_init() */ +uint64_t xlp_io_base; +uint64_t xlp_sys_base; +uint64_t xlp_pic_base; + +/* Main initialization */ +void nlm_hal_init(void) +{ + xlp_io_base = CKSEG1ADDR(XLP_DEFAULT_IO_BASE); + xlp_sys_base = nlm_get_sys_regbase(0); /* node 0 */ + xlp_pic_base = nlm_get_pic_regbase(0); /* node 0 */ +} + +int nlm_irq_to_irt(int irq) +{ + if (!PIC_IRQ_IS_IRT(irq)) + return -1; + + switch (irq) { + case PIC_UART_0_IRQ: + return PIC_IRT_UART_0_INDEX; + case PIC_UART_1_IRQ: + return PIC_IRT_UART_1_INDEX; + default: + return -1; + } +} + +int nlm_irt_to_irq(int irt) +{ + switch (irt) { + case PIC_IRT_UART_0_INDEX: + return PIC_UART_0_IRQ; + case PIC_IRT_UART_1_INDEX: + return PIC_UART_1_IRQ; + default: + return -1; + } +} diff --git a/arch/mips/netlogic/xlp/platform.c b/arch/mips/netlogic/xlp/platform.c new file mode 100644 index 0000000..49e54f1 --- /dev/null +++ b/arch/mips/netlogic/xlp/platform.c @@ -0,0 +1,107 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/dma-mapping.h> +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/platform_device.h> +#include <linux/serial.h> +#include <linux/serial_8250.h> +#include <linux/pci.h> +#include <linux/serial_reg.h> +#include <linux/spinlock.h> + +#include <asm/time.h> +#include <asm/addrspace.h> +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/pic.h> +#include <asm/netlogic/xlp-hal/uart.h> + +unsigned int nlm_xlp_uart_in(struct uart_port *p, int offset) +{ + return nlm_read_reg(p->iobase, offset); +} + +void nlm_xlp_uart_out(struct uart_port *p, int offset, int value) +{ + nlm_write_reg(p->iobase, offset, value); +} + +#define PORT(_irq) \ + { \ + .irq = _irq, \ + .regshift = 2, \ + .iotype = UPIO_MEM32, \ + .flags = (UPF_SKIP_TEST|UPF_FIXED_TYPE|\ + UPF_BOOT_AUTOCONF), \ + .uartclk = XLP_IO_CLK, \ + .type = PORT_16550A, \ + .serial_in = nlm_xlp_uart_in, \ + .serial_out = nlm_xlp_uart_out, \ + } + +static struct plat_serial8250_port xlp_uart_data[] = { + PORT(PIC_UART_0_IRQ), + PORT(PIC_UART_1_IRQ), + {}, +}; + +static struct platform_device uart_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = xlp_uart_data, + }, +}; + +static int __init nlm_platform_uart_init(void) +{ + unsigned long mmio; + + mmio = (unsigned long)nlm_get_uart_regbase(0, 0); + xlp_uart_data[0].iobase = mmio; + xlp_uart_data[0].membase = (void __iomem *)mmio; + xlp_uart_data[0].mapbase = mmio; + + mmio = (unsigned long)nlm_get_uart_regbase(0, 1); + xlp_uart_data[1].iobase = mmio; + xlp_uart_data[1].membase = (void __iomem *)mmio; + xlp_uart_data[1].mapbase = mmio; + + return platform_device_register(&uart_device); +} + +arch_initcall(nlm_platform_uart_init); diff --git a/arch/mips/netlogic/xlp/setup.c b/arch/mips/netlogic/xlp/setup.c new file mode 100644 index 0000000..ec44787 --- /dev/null +++ b/arch/mips/netlogic/xlp/setup.c @@ -0,0 +1,98 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/kernel.h> +#include <linux/serial_8250.h> +#include <linux/pm.h> + +#include <asm/reboot.h> +#include <asm/time.h> +#include <asm/bootinfo.h> + +#include <linux/of_fdt.h> +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/sys.h> + +unsigned long nlm_common_ebase = 0x0; + +static void nlm_linux_exit(void) +{ + nlm_write_sys_reg(xlp_sys_base, SYS_CHIP_RESET, 1); + for ( ; ; ) + cpu_wait(); +} + +void __init plat_mem_setup(void) +{ + panic_timeout = 5; + _machine_restart = (void (*)(char *))nlm_linux_exit; + _machine_halt = nlm_linux_exit; + pm_power_off = nlm_linux_exit; +} + +const char *get_system_type(void) +{ + return "Netlogic XLP Series"; +} + +void __init prom_free_prom_memory(void) +{ + /* Nothing yet */ +} + +void xlp_mmu_init(void) +{ + write_c0_config6(read_c0_config6() | 0x24); + current_cpu_data.tlbsize = ((read_c0_config6() >> 16) & 0xffff) + 1; + write_c0_config7(PM_DEFAULT_MASK >> + (13 + (ffz(PM_DEFAULT_MASK >> 13) / 2))); +} + +void __init prom_init(void) +{ + void *fdtp; + + fdtp = (void *)(long)fw_arg0; + xlp_mmu_init(); + nlm_hal_init(); + early_init_devtree(fdtp); + + nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1)); +#ifdef CONFIG_SMP + nlm_wakeup_secondary_cpus(0xffffffff); + register_smp_ops(&nlm_smp_ops); +#endif +} diff --git a/arch/mips/netlogic/xlp/smp.c b/arch/mips/netlogic/xlp/smp.c new file mode 100644 index 0000000..bea10fb --- /dev/null +++ b/arch/mips/netlogic/xlp/smp.c @@ -0,0 +1,286 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/kernel.h> +#include <linux/delay.h> +#include <linux/init.h> +#include <linux/smp.h> +#include <linux/irq.h> + +#include <asm/mmu_context.h> + +#include <asm/netlogic/interrupt.h> +#include <asm/netlogic/mips-extns.h> + +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/sys.h> +#include <asm/netlogic/xlp-hal/pic.h> + +void nlm_send_ipi_single(int logical_cpu, unsigned int action) +{ + int cpu = cpu_logical_map(logical_cpu); + int node = cpu / 32; + int ipi; + + if (action & SMP_CALL_FUNCTION) + ipi = IRQ_IPI_SMP_FUNCTION; + else if (action & SMP_RESCHEDULE_YOURSELF) + ipi = IRQ_IPI_SMP_RESCHEDULE; + else + return; + + nlm_pic_send_ipi(xlp_pic_base, 0, ipi, node, cpu); +} + +void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action) +{ + int cpu; + + for_each_cpu(cpu, mask) { + nlm_send_ipi_single(cpu, action); + } +} + +/* IRQ_IPI_SMP_FUNCTION Handler */ +void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc) +{ + smp_call_function_interrupt(); + write_c0_eirr(1ull << irq); +} + +/* IRQ_IPI_SMP_RESCHEDULE handler */ +void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc) +{ + scheduler_ipi(); + write_c0_eirr(1ull << irq); +} + +/* + * Called before going into mips code, early cpu init + */ +void nlm_early_init_secondary(int cpu) +{ + write_c0_ebase((uint32_t)nlm_common_ebase); + if (cpu % 4 == 0) + xlp_mmu_init(); +} + +/* + * Code to run on secondary just after probing the CPU + */ +static void __cpuinit nlm_init_secondary(void) +{ + nlm_smp_irq_init(); +} + +void nlm_smp_finish(void) +{ +#ifdef notyet + nlm_common_msgring_cpu_init(); +#endif + local_irq_enable(); +} + +void nlm_cpus_done(void) +{ +} + +/* + * Boot all other cpus in the system, initialize them, and bring them into + * the boot function + */ +int nlm_cpu_unblock[NR_CPUS]; +int nlm_cpu_ready[NR_CPUS]; +unsigned long nlm_next_gp; +unsigned long nlm_next_sp; +cpumask_t phys_cpu_present_map; + +void nlm_boot_secondary(int logical_cpu, struct task_struct *idle) +{ + unsigned long gp = (unsigned long)task_thread_info(idle); + unsigned long sp = (unsigned long)__KSTK_TOS(idle); + int cpu = cpu_logical_map(logical_cpu); + + nlm_next_sp = sp; + nlm_next_gp = gp; + + /* barrier */ + __sync(); + nlm_cpu_unblock[cpu] = 1; +} + +void __init nlm_smp_setup(void) +{ + unsigned int boot_cpu; + int num_cpus, i; + + boot_cpu = hard_smp_processor_id(); + cpus_clear(phys_cpu_present_map); + + cpu_set(boot_cpu, phys_cpu_present_map); + __cpu_number_map[boot_cpu] = 0; + __cpu_logical_map[0] = boot_cpu; + cpu_set(0, cpu_possible_map); + + num_cpus = 1; + for (i = 0; i < NR_CPUS; i++) { + if (nlm_cpu_ready[i]) { + cpu_set(i, phys_cpu_present_map); + __cpu_number_map[i] = num_cpus; + __cpu_logical_map[num_cpus] = i; + cpu_set(num_cpus, cpu_possible_map); + ++num_cpus; + } + } + + pr_info("Phys CPU present map: %lx, possible map %lx\n", + (unsigned long)phys_cpu_present_map.bits[0], + (unsigned long)cpu_possible_map.bits[0]); + + pr_info("Detected %i Slave CPU(s)\n", num_cpus); +} + +void nlm_prepare_cpus(unsigned int max_cpus) +{ +} + +struct plat_smp_ops nlm_smp_ops = { + .send_ipi_single = nlm_send_ipi_single, + .send_ipi_mask = nlm_send_ipi_mask, + .init_secondary = nlm_init_secondary, + .smp_finish = nlm_smp_finish, + .cpus_done = nlm_cpus_done, + .boot_secondary = nlm_boot_secondary, + .smp_setup = nlm_smp_setup, + .prepare_cpus = nlm_prepare_cpus, +}; + +unsigned long secondary_entry; +uint32_t nlm_coremask; +unsigned int nlm_threads_per_core; +unsigned int nlm_threadmode; + +static void nlm_enable_secondary_cores(unsigned int cores_bitmap) +{ + uint32_t core, value, coremask; + + for (core = 1; core < 8; core++) { + coremask = 1 << core; + if ((cores_bitmap & coremask) == 0) + continue; + + /* Enable CPU clock */ + value = nlm_read_sys_reg(xlp_sys_base, SYS_CORE_DFS_DIS_CTRL); + value &= ~coremask; + nlm_write_sys_reg(xlp_sys_base, SYS_CORE_DFS_DIS_CTRL, value); + + /* Remove CPU Reset */ + value = nlm_read_sys_reg(xlp_sys_base, SYS_CPU_RESET); + value &= ~coremask; + nlm_write_sys_reg(xlp_sys_base, SYS_CPU_RESET, value); + + /* Poll for CPU to mark itself coherent */ + do { + value = nlm_read_sys_reg(xlp_sys_base, + SYS_CPU_NONCOHERENT_MODE); + } while ((value & coremask) != 0); + } +} + + +static void nlm_parse_cpumask(u32 cpu_mask) +{ + uint32_t core0_thr_mask, core_thr_mask; + int i; + + core0_thr_mask = cpu_mask & 0xf; + switch (core0_thr_mask) { + case 1: + nlm_threads_per_core = 1; + nlm_threadmode = 0; + break; + case 3: + nlm_threads_per_core = 2; + nlm_threadmode = 2; + break; + case 0xf: + nlm_threads_per_core = 4; + nlm_threadmode = 3; + break; + default: + goto unsupp; + } + + /* Verify other cores CPU masks */ + nlm_coremask = 1; + for (i = 1; i < 8; i++) { + core_thr_mask = (cpu_mask >> (i * 4)) & 0xf; + if (core_thr_mask) { + if (core_thr_mask != core0_thr_mask) + goto unsupp; + nlm_coremask |= 1 << i; + } + } + return; + +unsupp: + panic("Unsupported CPU mask %x\n", cpu_mask); +} + +int __cpuinit nlm_wakeup_secondary_cpus(u32 wakeup_mask) +{ + unsigned long reset_vec; + unsigned int *reset_data; + + /* Update reset entry point with CPU init code */ + reset_vec = CKSEG1ADDR(RESET_VEC_PHYS); + memcpy((void *)reset_vec, (void *)nlm_reset_entry, + (nlm_reset_entry_end - nlm_reset_entry)); + + /* verify the mask and setup core config variables */ + nlm_parse_cpumask(wakeup_mask); + + /* Setup CPU init parameters */ + reset_data = (unsigned int *)CKSEG1ADDR(RESET_DATA_PHYS); + reset_data[BOOT_THREAD_MODE] = nlm_threadmode; + + /* first wakeup core 0 siblings */ + nlm_boot_core0_siblings(); + + /* enable the reset of the cores */ + nlm_enable_secondary_cores(nlm_coremask); + return 0; +} diff --git a/arch/mips/netlogic/xlp/smpboot.S b/arch/mips/netlogic/xlp/smpboot.S new file mode 100644 index 0000000..a9c54eb --- /dev/null +++ b/arch/mips/netlogic/xlp/smpboot.S @@ -0,0 +1,217 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/init.h> + +#include <asm/asm.h> +#include <asm/asm-offsets.h> +#include <asm/regdef.h> +#include <asm/mipsregs.h> +#include <asm/stackframe.h> +#include <asm/asmmacro.h> +#include <asm/addrspace.h> + +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/xlp.h> +#include <asm/netlogic/xlp-hal/sys.h> +#include <asm/netlogic/xlp-hal/cpucontrol.h> + +#define CP0_EBASE $15 +#define SYS_CPU_COHERENT_BASE(node) CKSEG1ADDR(XLP_DEFAULT_IO_BASE) + \ + XLP_IO_SYS_OFFSET(node) + XLP_IO_PCI_HDRSZ + \ + SYS_CPU_NONCOHERENT_MODE * 4 + +.macro __config_lsu + li t0, LSU_DEFEATURE + mfcr t1, t0 + + lui t2, 0x4080 /* Enable Unaligned Access, L2HPE */ + or t1, t1, t2 + li t2, ~0xe /* S1RCM */ + and t1, t1, t2 + mtcr t1, t0 + + li t0, SCHED_DEFEATURE + lui t1, 0x0100 /* Experimental: Disable BRU accepting ALU ops */ + mtcr t1, t0 +.endm + + .set noreorder + .set arch=xlr /* for mfcr/mtcr, XLR is sufficient */ + + __CPUINIT +EXPORT(nlm_reset_entry) + mfc0 t0, CP0_EBASE, 1 + mfc0 t1, CP0_EBASE, 1 + srl t1, 5 + andi t1, 0x3 /* t1 <- node */ + li t2, 0x40000 + mul t3, t2, t1 /* t3 = node * 0x40000 */ + srl t0, t0, 2 + and t0, t0, 0x7 /* t0 <- core */ + li t1, 0x1 + sll t0, t1, t0 + nor t0, t0, zero /* t0 <- ~(1 << core) */ + li t2, SYS_CPU_COHERENT_BASE(0) + add t2, t2, t3 /* t2 <- SYS offset for node */ + lw t1, 0(t2) + and t1, t1, t0 + sw t1, 0(t2) + + /* read back to ensure complete */ + lw t1, 0(t2) + sync + + /* Configure LSU on Non-0 Cores. */ + __config_lsu + +/* + * Wake up sibling threads from the initial thread in + * a core. + */ +EXPORT(nlm_boot_siblings) + li t0, CKSEG1ADDR(RESET_DATA_PHYS) + lw t1, BOOT_THREAD_MODE(t0) /* t1 <- thread mode */ + li t0, ((CPU_BLOCKID_MAP << 8) | BLKID_MAP_THREADMODE) + mfcr t2, t0 + or t2, t2, t1 + mtcr t2, t0 + + /* + * The new hardware thread starts at the next instruction + * For all the cases other than core 0 thread 0, we will + * jump to the secondary wait function. + */ + mfc0 v0, CP0_EBASE, 1 + andi v0, 0x7f /* v0 <- node/core */ + +#if 1 + /* A0 errata - Write MMU_SETUP after changing thread mode register. */ + andi v1, v0, 0x3 /* v1 <- thread id */ + bnez v1, 2f + nop + + li t0, MMU_SETUP + li t1, 0 + mtcr t1, t0 + ehb +#endif + +2: beqz v0, 3f + nop + + /* setup status reg */ + mfc0 t1, CP0_STATUS + li t0, ST0_BEV + or t1, t0 + xor t1, t0 +#ifdef CONFIG_64BIT + ori t1, ST0_KX +#endif + mtc0 t1, CP0_STATUS + + /* SETUP TLBs for a mapped kernel here */ + PTR_LA t0, prom_pre_boot_secondary_cpus + jalr t0 + nop + + /* + * For the boot CPU, we have to restore registers and + * return + */ +3: dmfc0 t0, $4, 2 /* restore SP from UserLocal */ + li t1, 0xfadebeef + dmtc0 t1, $4, 2 /* restore SP from UserLocal */ + PTR_SUBU sp, t0, PT_SIZE + RESTORE_ALL + jr ra + nop +EXPORT(nlm_reset_entry_end) + +EXPORT(nlm_boot_core0_siblings) /* "Master" (n0c0t0) cpu starts from here */ + __config_lsu + dmtc0 sp, $4, 2 /* SP saved in UserLocal */ + SAVE_ALL + sync + /* find the location to which nlm_boot_siblings was relocated */ + li t0, CKSEG1ADDR(RESET_VEC_PHYS) + dla t1, nlm_reset_entry + dla t2, nlm_boot_siblings + dsubu t2, t1 + daddu t2, t0 + /* call it */ + jr t2 + nop + __FINIT + + __CPUINIT +NESTED(prom_pre_boot_secondary_cpus, 16, sp) + .set mips64 + mfc0 a0, CP0_EBASE, 1 /* read ebase */ + andi a0, 0x3ff /* a0 has the processor_id() */ + sll t0, a0, 2 /* offset in cpu array */ + + PTR_LA t1, nlm_cpu_ready /* mark CPU ready */ + PTR_ADDU t1, t0 + li t2, 1 + sw t2, 0(t1) + + PTR_LA t1, nlm_cpu_unblock + PTR_ADDU t1, t0 +1: lw t2, 0(t1) /* wait till unblocked */ + bnez t2, 2f + nop + nop + nop + nop + nop + nop + j 1b + nop + +2: PTR_LA t1, nlm_next_sp + PTR_L sp, 0(t1) + PTR_LA t1, nlm_next_gp + PTR_L gp, 0(t1) + + /* a0 has the processor id */ + PTR_LA t0, nlm_early_init_secondary + jalr t0 + nop + + PTR_LA t0, smp_bootstrap + jr t0 + nop +END(prom_pre_boot_secondary_cpus) + __FINIT diff --git a/arch/mips/netlogic/xlp/time.c b/arch/mips/netlogic/xlp/time.c new file mode 100644 index 0000000..1bdb1a8 --- /dev/null +++ b/arch/mips/netlogic/xlp/time.c @@ -0,0 +1,74 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/init.h> + +#include <asm/div64.h> +#include <asm/time.h> +#include <asm/netlogic/interrupt.h> +#include <asm/netlogic/psb-bootinfo.h> + +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/sys.h> + +unsigned int __cpuinit get_c0_compare_int(void) +{ + return IRQ_TIMER; +} + +static unsigned int xlp_get_cpu_frequency(void) +{ + unsigned int pll_divf, pll_divr, dfs_div, denom; + unsigned int val; + uint64_t num; + + val = nlm_read_sys_reg(xlp_sys_base, SYS_POWER_ON_RESET_CFG); + pll_divf = (val >> 10) & 0x7f; + pll_divr = (val >> 8) & 0x3; + dfs_div = (val >> 17) & 0x3; + + num = pll_divf + 1; + denom = 3 * (pll_divr + 1) * (1 << (dfs_div + 1)); + num = num * 800000000ULL; + do_div(num, denom); + return (unsigned int)num; +} + +void __init plat_time_init(void) +{ + mips_hpt_frequency = xlp_get_cpu_frequency(); + pr_info("MIPS counter frequency [%ld]\n", + (unsigned long)mips_hpt_frequency); +} diff --git a/arch/mips/netlogic/xlp/xlp_console.c b/arch/mips/netlogic/xlp/xlp_console.c new file mode 100644 index 0000000..e8002b9 --- /dev/null +++ b/arch/mips/netlogic/xlp/xlp_console.c @@ -0,0 +1,49 @@ +/* + * Copyright 2003-2011 NetLogic Microsystems, Inc. (NetLogic). All rights + * reserved. + * + * This software is available to you under a choice of one of two + * licenses. You may choose to be licensed under the terms of the GNU + * General Public License (GPL) Version 2, available from the file + * COPYING in the main directory of this source tree, or the NetLogic + * license below: + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in + * the documentation and/or other materials provided with the + * distribution. + * + * THIS SOFTWARE IS PROVIDED BY NETLOGIC ``AS IS'' AND ANY EXPRESS OR + * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED + * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL NETLOGIC OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR + * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, + * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE + * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN + * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. + */ + +#include <linux/types.h> + +#include <asm/netlogic/xlp-hal/mmio.h> +#include <asm/netlogic/xlp-hal/iomap.h> +#include <asm/netlogic/xlp-hal/uart.h> + +void prom_putchar(char c) +{ + uint64_t mmio; + + mmio = nlm_get_uart_regbase(0, 0); + while (nlm_read_uart_reg(mmio, LINE_STS) == 0) + ; + nlm_write_reg(mmio, TX_DATA, c); +} -- 1.7.4.1 -- Jayachandran C. jayachandranc@xxxxxxxxxxxxxxxxx (Netlogic Microsystems) jchandra@xxxxxxxxxxx (The FreeBSD Project)