* [PATCH 4/8] Platform files for XLR/XLS processor support.
2011-05-06 20:05 [PATCH 0/8] Support for Netlogic XLR/XLS processors Jayachandran C
` (2 preceding siblings ...)
2011-05-06 20:06 ` [PATCH 3/8] Cache support, TLB support, asm/module.h entry Jayachandran C
@ 2011-05-06 20:06 ` Jayachandran C
2011-05-11 16:54 ` Ralf Baechle
2011-05-06 20:06 ` [PATCH 5/8] Kconfig and Makefile update for Netlogic XLR/XLS Jayachandran C
` (3 subsequent siblings)
7 siblings, 1 reply; 23+ messages in thread
From: Jayachandran C @ 2011-05-06 20:06 UTC (permalink / raw)
To: ralf; +Cc: linux-mips
* include/asm/netlogic added with files common for all Netlogic processors
(common with XLP which will be added later)
* include/asm/netlogic/xlr for XLR/XLS chip specific files
* netlogic/xlr for XLR/XLS platform files
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
---
arch/mips/include/asm/netlogic/interrupt.h | 45 +++++
arch/mips/include/asm/netlogic/mips-extns.h | 76 ++++++++
arch/mips/include/asm/netlogic/psb-bootinfo.h | 109 ++++++++++++
arch/mips/include/asm/netlogic/xlr/gpio.h | 73 ++++++++
arch/mips/include/asm/netlogic/xlr/iomap.h | 131 ++++++++++++++
arch/mips/include/asm/netlogic/xlr/pic.h | 231 +++++++++++++++++++++++++
arch/mips/include/asm/netlogic/xlr/xlr.h | 54 ++++++
arch/mips/netlogic/xlr/irq.c | 216 +++++++++++++++++++++++
arch/mips/netlogic/xlr/platform.c | 98 +++++++++++
arch/mips/netlogic/xlr/setup.c | 188 ++++++++++++++++++++
arch/mips/netlogic/xlr/smp.c | 225 ++++++++++++++++++++++++
arch/mips/netlogic/xlr/smpboot.S | 94 ++++++++++
arch/mips/netlogic/xlr/time.c | 51 ++++++
arch/mips/netlogic/xlr/xlr_console.c | 46 +++++
14 files changed, 1637 insertions(+), 0 deletions(-)
create mode 100644 arch/mips/include/asm/netlogic/interrupt.h
create mode 100644 arch/mips/include/asm/netlogic/mips-extns.h
create mode 100644 arch/mips/include/asm/netlogic/psb-bootinfo.h
create mode 100644 arch/mips/include/asm/netlogic/xlr/gpio.h
create mode 100644 arch/mips/include/asm/netlogic/xlr/iomap.h
create mode 100644 arch/mips/include/asm/netlogic/xlr/pic.h
create mode 100644 arch/mips/include/asm/netlogic/xlr/xlr.h
create mode 100644 arch/mips/netlogic/xlr/irq.c
create mode 100644 arch/mips/netlogic/xlr/platform.c
create mode 100644 arch/mips/netlogic/xlr/setup.c
create mode 100644 arch/mips/netlogic/xlr/smp.c
create mode 100644 arch/mips/netlogic/xlr/smpboot.S
create mode 100644 arch/mips/netlogic/xlr/time.c
create mode 100644 arch/mips/netlogic/xlr/xlr_console.c
diff --git a/arch/mips/include/asm/netlogic/interrupt.h b/arch/mips/include/asm/netlogic/interrupt.h
new file mode 100644
index 0000000..a85aadb
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/interrupt.h
@@ -0,0 +1,45 @@
+/*
+ * 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 _ASM_NLM_INTERRUPT_H
+#define _ASM_NLM_INTERRUPT_H
+
+/* Defines for the IRQ numbers */
+
+#define IRQ_IPI_SMP_FUNCTION 3
+#define IRQ_IPI_SMP_RESCHEDULE 4
+#define IRQ_MSGRING 6
+#define IRQ_TIMER 7
+
+#endif
diff --git a/arch/mips/include/asm/netlogic/mips-extns.h b/arch/mips/include/asm/netlogic/mips-extns.h
new file mode 100644
index 0000000..8c53d0b
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/mips-extns.h
@@ -0,0 +1,76 @@
+/*
+ * 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 _ASM_NLM_MIPS_EXTS_H
+#define _ASM_NLM_MIPS_EXTS_H
+
+/*
+ * XLR and XLP interrupt request and interrupt mask registers
+ */
+#define read_c0_eirr() __read_64bit_c0_register($9, 6)
+#define read_c0_eimr() __read_64bit_c0_register($9, 7)
+#define write_c0_eirr(val) __write_64bit_c0_register($9, 6, val)
+
+/*
+ * Writing EIMR in 32 bit is a special case, the lower 8 bit of the
+ * EIMR is shadowed in the status register, so we cannot save and
+ * restore status register for split read.
+ */
+#define write_c0_eimr(val) \
+do { \
+ if (sizeof(unsigned long) == 4) { \
+ unsigned long __flags; \
+ \
+ local_irq_save(__flags); \
+ __asm__ __volatile__( \
+ ".set\tmips64\n\t" \
+ "dsll\t%L0, %L0, 32\n\t" \
+ "dsrl\t%L0, %L0, 32\n\t" \
+ "dsll\t%M0, %M0, 32\n\t" \
+ "or\t%L0, %L0, %M0\n\t" \
+ "dmtc0\t%L0, $9, 7\n\t" \
+ ".set\tmips0" \
+ : : "r" (val)); \
+ __flags = (__flags & 0xffff00ff) | (((val) & 0xff) << 8);\
+ local_irq_restore(__flags); \
+ } else \
+ __write_64bit_c0_register($9, 7, (val)); \
+} while (0)
+
+static inline int hard_smp_processor_id(void)
+{
+ return __read_32bit_c0_register($15, 1) & 0x3ff;
+}
+
+#endif /*_ASM_NLM_MIPS_EXTS_H */
diff --git a/arch/mips/include/asm/netlogic/psb-bootinfo.h b/arch/mips/include/asm/netlogic/psb-bootinfo.h
new file mode 100644
index 0000000..6878307
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/psb-bootinfo.h
@@ -0,0 +1,109 @@
+/*
+ * 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 _ASM_NETLOGIC_BOOTINFO_H
+#define _ASM_NETLOGIC_BOOTINFO_H
+
+struct psb_info {
+ uint64_t boot_level;
+ uint64_t io_base;
+ uint64_t output_device;
+ uint64_t uart_print;
+ uint64_t led_output;
+ uint64_t init;
+ uint64_t exit;
+ uint64_t warm_reset;
+ uint64_t wakeup;
+ uint64_t online_cpu_map;
+ uint64_t master_reentry_sp;
+ uint64_t master_reentry_gp;
+ uint64_t master_reentry_fn;
+ uint64_t slave_reentry_fn;
+ uint64_t magic_dword;
+ uint64_t uart_putchar;
+ uint64_t size;
+ uint64_t uart_getchar;
+ uint64_t nmi_handler;
+ uint64_t psb_version;
+ uint64_t mac_addr;
+ uint64_t cpu_frequency;
+ uint64_t board_version;
+ uint64_t malloc;
+ uint64_t free;
+ uint64_t global_shmem_addr;
+ uint64_t global_shmem_size;
+ uint64_t psb_os_cpu_map;
+ uint64_t userapp_cpu_map;
+ uint64_t wakeup_os;
+ uint64_t psb_mem_map;
+ uint64_t board_major_version;
+ uint64_t board_minor_version;
+ uint64_t board_manf_revision;
+ uint64_t board_serial_number;
+ uint64_t psb_physaddr_map;
+ uint64_t xlr_loaderip_config;
+ uint64_t bldr_envp;
+ uint64_t avail_mem_map;
+};
+
+enum {
+ NETLOGIC_IO_SPACE = 0x10,
+ PCIX_IO_SPACE,
+ PCIX_CFG_SPACE,
+ PCIX_MEMORY_SPACE,
+ HT_IO_SPACE,
+ HT_CFG_SPACE,
+ HT_MEMORY_SPACE,
+ SRAM_SPACE,
+ FLASH_CONTROLLER_SPACE
+};
+
+#define NLM_MAX_ARGS 64
+#define NLM_MAX_ENVS 32
+
+/* This is what netlboot passes and linux boot_mem_map is subtly different */
+#define NLM_BOOT_MEM_MAP_MAX 32
+struct nlm_boot_mem_map {
+ int nr_map;
+ struct nlm_boot_mem_map_entry {
+ uint64_t addr; /* start of memory segment */
+ uint64_t size; /* size of memory segment */
+ uint32_t type; /* type of memory segment */
+ } map[NLM_BOOT_MEM_MAP_MAX];
+};
+
+/* Pointer to saved boot loader info */
+extern struct psb_info nlm_prom_info;
+
+#endif
diff --git a/arch/mips/include/asm/netlogic/xlr/gpio.h b/arch/mips/include/asm/netlogic/xlr/gpio.h
new file mode 100644
index 0000000..51f6ad4
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlr/gpio.h
@@ -0,0 +1,73 @@
+/*
+ * 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 _ASM_NLM_GPIO_H
+#define _ASM_NLM_GPIO_H
+
+#define NETLOGIC_GPIO_INT_EN_REG 0
+#define NETLOGIC_GPIO_INPUT_INVERSION_REG 1
+#define NETLOGIC_GPIO_IO_DIR_REG 2
+#define NETLOGIC_GPIO_IO_DATA_WR_REG 3
+#define NETLOGIC_GPIO_IO_DATA_RD_REG 4
+
+#define NETLOGIC_GPIO_SWRESET_REG 8
+#define NETLOGIC_GPIO_DRAM1_CNTRL_REG 9
+#define NETLOGIC_GPIO_DRAM1_RATIO_REG 10
+#define NETLOGIC_GPIO_DRAM1_RESET_REG 11
+#define NETLOGIC_GPIO_DRAM1_STATUS_REG 12
+#define NETLOGIC_GPIO_DRAM2_CNTRL_REG 13
+#define NETLOGIC_GPIO_DRAM2_RATIO_REG 14
+#define NETLOGIC_GPIO_DRAM2_RESET_REG 15
+#define NETLOGIC_GPIO_DRAM2_STATUS_REG 16
+
+#define NETLOGIC_GPIO_PWRON_RESET_CFG_REG 21
+#define NETLOGIC_GPIO_BIST_ALL_GO_STATUS_REG 24
+#define NETLOGIC_GPIO_BIST_CPU_GO_STATUS_REG 25
+#define NETLOGIC_GPIO_BIST_DEV_GO_STATUS_REG 26
+
+#define NETLOGIC_GPIO_FUSE_BANK_REG 35
+#define NETLOGIC_GPIO_CPU_RESET_REG 40
+#define NETLOGIC_GPIO_RNG_REG 43
+
+#define NETLOGIC_PWRON_RESET_PCMCIA_BOOT 17
+#define NETLOGIC_GPIO_LED_BITMAP 0x1700000
+#define NETLOGIC_GPIO_LED_0_SHIFT 20
+#define NETLOGIC_GPIO_LED_1_SHIFT 24
+
+#define NETLOGIC_GPIO_LED_OUTPUT_CODE_RESET 0x01
+#define NETLOGIC_GPIO_LED_OUTPUT_CODE_HARD_RESET 0x02
+#define NETLOGIC_GPIO_LED_OUTPUT_CODE_SOFT_RESET 0x03
+#define NETLOGIC_GPIO_LED_OUTPUT_CODE_MAIN 0x04
+
+#endif
diff --git a/arch/mips/include/asm/netlogic/xlr/iomap.h b/arch/mips/include/asm/netlogic/xlr/iomap.h
new file mode 100644
index 0000000..2e3a4dd
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlr/iomap.h
@@ -0,0 +1,131 @@
+/*
+ * 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 _ASM_NLM_IOMAP_H
+#define _ASM_NLM_IOMAP_H
+
+#define DEFAULT_NETLOGIC_IO_BASE CKSEG1ADDR(0x1ef00000)
+#define NETLOGIC_IO_DDR2_CHN0_OFFSET 0x01000
+#define NETLOGIC_IO_DDR2_CHN1_OFFSET 0x02000
+#define NETLOGIC_IO_DDR2_CHN2_OFFSET 0x03000
+#define NETLOGIC_IO_DDR2_CHN3_OFFSET 0x04000
+#define NETLOGIC_IO_PIC_OFFSET 0x08000
+#define NETLOGIC_IO_UART_0_OFFSET 0x14000
+#define NETLOGIC_IO_UART_1_OFFSET 0x15100
+
+#define NETLOGIC_IO_SIZE 0x1000
+
+#define NETLOGIC_IO_BRIDGE_OFFSET 0x00000
+
+#define NETLOGIC_IO_RLD2_CHN0_OFFSET 0x05000
+#define NETLOGIC_IO_RLD2_CHN1_OFFSET 0x06000
+
+#define NETLOGIC_IO_SRAM_OFFSET 0x07000
+
+#define NETLOGIC_IO_PCIX_OFFSET 0x09000
+#define NETLOGIC_IO_HT_OFFSET 0x0A000
+
+#define NETLOGIC_IO_SECURITY_OFFSET 0x0B000
+
+#define NETLOGIC_IO_GMAC_0_OFFSET 0x0C000
+#define NETLOGIC_IO_GMAC_1_OFFSET 0x0D000
+#define NETLOGIC_IO_GMAC_2_OFFSET 0x0E000
+#define NETLOGIC_IO_GMAC_3_OFFSET 0x0F000
+
+/* XLS devices */
+#define NETLOGIC_IO_GMAC_4_OFFSET 0x20000
+#define NETLOGIC_IO_GMAC_5_OFFSET 0x21000
+#define NETLOGIC_IO_GMAC_6_OFFSET 0x22000
+#define NETLOGIC_IO_GMAC_7_OFFSET 0x23000
+
+#define NETLOGIC_IO_PCIE_0_OFFSET 0x1E000
+#define NETLOGIC_IO_PCIE_1_OFFSET 0x1F000
+#define NETLOGIC_IO_SRIO_0_OFFSET 0x1E000
+#define NETLOGIC_IO_SRIO_1_OFFSET 0x1F000
+
+#define NETLOGIC_IO_USB_0_OFFSET 0x24000
+#define NETLOGIC_IO_USB_1_OFFSET 0x25000
+
+#define NETLOGIC_IO_COMP_OFFSET 0x1D000
+/* end XLS devices */
+
+/* XLR devices */
+#define NETLOGIC_IO_SPI4_0_OFFSET 0x10000
+#define NETLOGIC_IO_XGMAC_0_OFFSET 0x11000
+#define NETLOGIC_IO_SPI4_1_OFFSET 0x12000
+#define NETLOGIC_IO_XGMAC_1_OFFSET 0x13000
+/* end XLR devices */
+
+#define NETLOGIC_IO_I2C_0_OFFSET 0x16000
+#define NETLOGIC_IO_I2C_1_OFFSET 0x17000
+
+#define NETLOGIC_IO_GPIO_OFFSET 0x18000
+#define NETLOGIC_IO_FLASH_OFFSET 0x19000
+#define NETLOGIC_IO_TB_OFFSET 0x1C000
+
+#define NETLOGIC_CPLD_OFFSET KSEG1ADDR(0x1d840000)
+
+/*
+ * Base Address (Virtual) of the PCI Config address space
+ * For now, choose 256M phys in kseg1 = 0xA0000000 + (1<<28)
+ * Config space spans 256 (num of buses) * 256 (num functions) * 256 bytes
+ * ie 1<<24 = 16M
+ */
+#define DEFAULT_PCI_CONFIG_BASE 0x18000000
+#define DEFAULT_HT_TYPE0_CFG_BASE 0x16000000
+#define DEFAULT_HT_TYPE1_CFG_BASE 0x17000000
+
+#ifndef __ASSEMBLY__
+#include <linux/types.h>
+#include <asm/byteorder.h>
+
+typedef volatile __u32 nlm_reg_t;
+extern unsigned long netlogic_io_base;
+
+/* FIXME read once in write_reg */
+#ifdef CONFIG_CPU_LITTLE_ENDIAN
+#define netlogic_read_reg(base, offset) ((base)[(offset)])
+#define netlogic_write_reg(base, offset, value) ((base)[(offset)] = (value))
+#else
+#define netlogic_read_reg(base, offset) (be32_to_cpu((base)[(offset)]))
+#define netlogic_write_reg(base, offset, value) \
+ ((base)[(offset)] = cpu_to_be32((value)))
+#endif
+
+#define netlogic_read_reg_le32(base, offset) (le32_to_cpu((base)[(offset)]))
+#define netlogic_write_reg_le32(base, offset, value) \
+ ((base)[(offset)] = cpu_to_le32((value)))
+#define netlogic_io_mmio(offset) ((nlm_reg_t *)(netlogic_io_base+(offset)))
+#endif /* __ASSEMBLY__ */
+#endif
diff --git a/arch/mips/include/asm/netlogic/xlr/pic.h b/arch/mips/include/asm/netlogic/xlr/pic.h
new file mode 100644
index 0000000..5cceb74
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlr/pic.h
@@ -0,0 +1,231 @@
+/*
+ * 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 _ASM_NLM_XLR_PIC_H
+#define _ASM_NLM_XLR_PIC_H
+
+#define PIC_CLKS_PER_SEC 66666666ULL
+/* PIC hardware interrupt numbers */
+#define PIC_IRT_WD_INDEX 0
+#define PIC_IRT_TIMER_0_INDEX 1
+#define PIC_IRT_TIMER_1_INDEX 2
+#define PIC_IRT_TIMER_2_INDEX 3
+#define PIC_IRT_TIMER_3_INDEX 4
+#define PIC_IRT_TIMER_4_INDEX 5
+#define PIC_IRT_TIMER_5_INDEX 6
+#define PIC_IRT_TIMER_6_INDEX 7
+#define PIC_IRT_TIMER_7_INDEX 8
+#define PIC_IRT_CLOCK_INDEX PIC_IRT_TIMER_7_INDEX
+#define PIC_IRT_UART_0_INDEX 9
+#define PIC_IRT_UART_1_INDEX 10
+#define PIC_IRT_I2C_0_INDEX 11
+#define PIC_IRT_I2C_1_INDEX 12
+#define PIC_IRT_PCMCIA_INDEX 13
+#define PIC_IRT_GPIO_INDEX 14
+#define PIC_IRT_HYPER_INDEX 15
+#define PIC_IRT_PCIX_INDEX 16
+/* XLS */
+#define PIC_IRT_CDE_INDEX 15
+#define PIC_IRT_BRIDGE_TB_XLS_INDEX 16
+/* XLS */
+#define PIC_IRT_GMAC0_INDEX 17
+#define PIC_IRT_GMAC1_INDEX 18
+#define PIC_IRT_GMAC2_INDEX 19
+#define PIC_IRT_GMAC3_INDEX 20
+#define PIC_IRT_XGS0_INDEX 21
+#define PIC_IRT_XGS1_INDEX 22
+#define PIC_IRT_HYPER_FATAL_INDEX 23
+#define PIC_IRT_PCIX_FATAL_INDEX 24
+#define PIC_IRT_BRIDGE_AERR_INDEX 25
+#define PIC_IRT_BRIDGE_BERR_INDEX 26
+#define PIC_IRT_BRIDGE_TB_XLR_INDEX 27
+#define PIC_IRT_BRIDGE_AERR_NMI_INDEX 28
+/* XLS */
+#define PIC_IRT_GMAC4_INDEX 21
+#define PIC_IRT_GMAC5_INDEX 22
+#define PIC_IRT_GMAC6_INDEX 23
+#define PIC_IRT_GMAC7_INDEX 24
+#define PIC_IRT_BRIDGE_ERR_INDEX 25
+#define PIC_IRT_PCIE_LINK0_INDEX 26
+#define PIC_IRT_PCIE_LINK1_INDEX 27
+#define PIC_IRT_PCIE_LINK2_INDEX 23
+#define PIC_IRT_PCIE_LINK3_INDEX 24
+#define PIC_IRT_PCIE_XLSB0_LINK2_INDEX 28
+#define PIC_IRT_PCIE_XLSB0_LINK3_INDEX 29
+#define PIC_IRT_SRIO_LINK0_INDEX 26
+#define PIC_IRT_SRIO_LINK1_INDEX 27
+#define PIC_IRT_SRIO_LINK2_INDEX 28
+#define PIC_IRT_SRIO_LINK3_INDEX 29
+#define PIC_IRT_PCIE_INT_INDEX 28
+#define PIC_IRT_PCIE_FATAL_INDEX 29
+#define PIC_IRT_GPIO_B_INDEX 30
+#define PIC_IRT_USB_INDEX 31
+/* XLS */
+#define PIC_NUM_IRTS 32
+
+
+#define PIC_CLOCK_TIMER 7
+
+/* PIC Registers */
+#define PIC_CTRL 0x00
+#define PIC_IPI 0x04
+#define PIC_INT_ACK 0x06
+
+#define WD_MAX_VAL_0 0x08
+#define WD_MAX_VAL_1 0x09
+#define WD_MASK_0 0x0a
+#define WD_MASK_1 0x0b
+#define WD_HEARBEAT_0 0x0c
+#define WD_HEARBEAT_1 0x0d
+
+#define PIC_IRT_0_BASE 0x40
+#define PIC_IRT_1_BASE 0x80
+#define PIC_TIMER_MAXVAL_0_BASE 0x100
+#define PIC_TIMER_MAXVAL_1_BASE 0x110
+#define PIC_TIMER_COUNT_0_BASE 0x120
+#define PIC_TIMER_COUNT_1_BASE 0x130
+
+#define PIC_IRT_0(picintr) (PIC_IRT_0_BASE + (picintr))
+#define PIC_IRT_1(picintr) (PIC_IRT_1_BASE + (picintr))
+
+#define PIC_TIMER_MAXVAL_0(i) (PIC_TIMER_MAXVAL_0_BASE + (i))
+#define PIC_TIMER_MAXVAL_1(i) (PIC_TIMER_MAXVAL_1_BASE + (i))
+#define PIC_TIMER_COUNT_0(i) (PIC_TIMER_COUNT_0_BASE + (i))
+#define PIC_TIMER_COUNT_1(i) (PIC_TIMER_COUNT_0_BASE + (i))
+
+/*
+ * Mapping between hardware interrupt numbers and IRQs on CPU
+ * we use a simple scheme to map PIC interrupts 0-31 to IRQs
+ * 8-39. This leaves the IRQ 0-7 for cpu interrupts like
+ * count/compare and FMN
+ */
+#define PIC_IRQ_BASE 8
+#define PIC_INTR_TO_IRQ(i) (PIC_IRQ_BASE + (i))
+#define PIC_IRQ_TO_INTR(i) ((i) - PIC_IRQ_BASE)
+
+#define PIC_IRT_FIRST_IRQ PIC_IRQ_BASE
+#define PIC_WD_IRQ PIC_INTR_TO_IRQ(PIC_IRT_WD_INDEX)
+#define PIC_TIMER_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_0_INDEX)
+#define PIC_TIMER_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_1_INDEX)
+#define PIC_TIMER_2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_2_INDEX)
+#define PIC_TIMER_3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_3_INDEX)
+#define PIC_TIMER_4_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_4_INDEX)
+#define PIC_TIMER_5_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_5_INDEX)
+#define PIC_TIMER_6_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_6_INDEX)
+#define PIC_TIMER_7_IRQ PIC_INTR_TO_IRQ(PIC_IRT_TIMER_7_INDEX)
+#define PIC_CLOCK_IRQ (PIC_TIMER_7_IRQ)
+#define PIC_UART_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_UART_0_INDEX)
+#define PIC_UART_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_UART_1_INDEX)
+#define PIC_I2C_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_I2C_0_INDEX)
+#define PIC_I2C_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_I2C_1_INDEX)
+#define PIC_PCMCIA_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCMCIA_INDEX)
+#define PIC_GPIO_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GPIO_INDEX)
+#define PIC_HYPER_IRQ PIC_INTR_TO_IRQ(PIC_IRT_HYPER_INDEX)
+#define PIC_PCIX_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIX_INDEX)
+/* XLS */
+#define PIC_CDE_IRQ PIC_INTR_TO_IRQ(PIC_IRT_CDE_INDEX)
+#define PIC_BRIDGE_TB_XLS_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_TB_XLS_INDEX)
+/* end XLS */
+#define PIC_GMAC_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC0_INDEX)
+#define PIC_GMAC_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC1_INDEX)
+#define PIC_GMAC_2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC2_INDEX)
+#define PIC_GMAC_3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC3_INDEX)
+#define PIC_XGS_0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_XGS0_INDEX)
+#define PIC_XGS_1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_XGS1_INDEX)
+#define PIC_HYPER_FATAL_IRQ PIC_INTR_TO_IRQ(PIC_IRT_HYPER_FATAL_INDEX)
+#define PIC_PCIX_FATAL_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIX_FATAL_INDEX)
+#define PIC_BRIDGE_AERR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_AERR_INDEX)
+#define PIC_BRIDGE_BERR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_BERR_INDEX)
+#define PIC_BRIDGE_TB_XLR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_TB_XLR_INDEX)
+#define PIC_BRIDGE_AERR_NMI_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_AERR_NMI_INDEX)
+/* XLS defines */
+#define PIC_GMAC_4_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC4_INDEX)
+#define PIC_GMAC_5_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC5_INDEX)
+#define PIC_GMAC_6_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC6_INDEX)
+#define PIC_GMAC_7_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GMAC7_INDEX)
+#define PIC_BRIDGE_ERR_IRQ PIC_INTR_TO_IRQ(PIC_IRT_BRIDGE_ERR_INDEX)
+#define PIC_PCIE_LINK0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK0_INDEX)
+#define PIC_PCIE_LINK1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK1_INDEX)
+#define PIC_PCIE_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK2_INDEX)
+#define PIC_PCIE_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_LINK3_INDEX)
+#define PIC_PCIE_XLSB0_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_XLSB0_LINK2_INDEX)
+#define PIC_PCIE_XLSB0_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_XLSB0_LINK3_INDEX)
+#define PIC_SRIO_LINK0_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK0_INDEX)
+#define PIC_SRIO_LINK1_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK1_INDEX)
+#define PIC_SRIO_LINK2_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK2_INDEX)
+#define PIC_SRIO_LINK3_IRQ PIC_INTR_TO_IRQ(PIC_IRT_SRIO_LINK3_INDEX)
+#define PIC_PCIE_INT_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_INT__INDEX)
+#define PIC_PCIE_FATAL_IRQ PIC_INTR_TO_IRQ(PIC_IRT_PCIE_FATAL_INDEX)
+#define PIC_GPIO_B_IRQ PIC_INTR_TO_IRQ(PIC_IRT_GPIO_B_INDEX)
+#define PIC_USB_IRQ PIC_INTR_TO_IRQ(PIC_IRT_USB_INDEX)
+#define PIC_IRT_LAST_IRQ PIC_USB_IRQ
+/* end XLS */
+
+#ifndef __ASSEMBLY__
+static inline void pic_send_ipi(u32 ipi)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+ netlogic_write_reg(mmio, PIC_IPI, ipi);
+}
+
+static inline u32 pic_read_control(void)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+ return netlogic_read_reg(mmio, PIC_CTRL);
+}
+
+static inline void pic_write_control(u32 control)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+ netlogic_write_reg(mmio, PIC_CTRL, control);
+}
+
+static inline void pic_update_control(u32 control)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+
+ netlogic_write_reg(mmio, PIC_CTRL,
+ (control | netlogic_read_reg(mmio, PIC_CTRL)));
+}
+
+#define PIC_IRQ_IS_EDGE_TRIGGERED(irq) (((irq) >= PIC_TIMER_0_IRQ) && \
+ ((irq) <= PIC_TIMER_7_IRQ))
+#define PIC_IRQ_IS_IRT(irq) (((irq) >= PIC_IRT_FIRST_IRQ) && \
+ ((irq) <= PIC_IRT_LAST_IRQ))
+#endif
+
+#endif /* _ASM_NLM_XLR_PIC_H */
diff --git a/arch/mips/include/asm/netlogic/xlr/xlr.h b/arch/mips/include/asm/netlogic/xlr/xlr.h
new file mode 100644
index 0000000..454c236
--- /dev/null
+++ b/arch/mips/include/asm/netlogic/xlr/xlr.h
@@ -0,0 +1,54 @@
+/*
+ * 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 _ASM_NLM_XLR_H
+#define _ASM_NLM_XLR_H
+
+/* 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 */
+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);
+
+extern struct plat_smp_ops nlm_smp_ops;
+extern unsigned long nlm_common_ebase;
+
+#endif /* _ASM_NLM_XLR_H */
diff --git a/arch/mips/netlogic/xlr/irq.c b/arch/mips/netlogic/xlr/irq.c
new file mode 100644
index 0000000..2033f56
--- /dev/null
+++ b/arch/mips/netlogic/xlr/irq.c
@@ -0,0 +1,216 @@
+/*
+ * 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 <asm/mipsregs.h>
+
+#include <asm/netlogic/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/xlr.h>
+
+#include <asm/netlogic/interrupt.h>
+#include <asm/netlogic/mips-extns.h>
+
+static u64 nlm_irq_mask;
+static DEFINE_SPINLOCK(nlm_pic_lock);
+
+static void xlr_pic_enable(struct irq_data *d)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ unsigned long flags;
+ nlm_reg_t reg;
+ int irq = d->irq;
+
+ WARN(!PIC_IRQ_IS_IRT(irq), "Bad irq %d", irq);
+
+ spin_lock_irqsave(&nlm_pic_lock, flags);
+ reg = netlogic_read_reg(mmio, PIC_IRT_1_BASE + irq - PIC_IRQ_BASE);
+ netlogic_write_reg(mmio, PIC_IRT_1_BASE + irq - PIC_IRQ_BASE,
+ reg | (1 << 6) | (1 << 30) | (1 << 31));
+ spin_unlock_irqrestore(&nlm_pic_lock, flags);
+}
+
+static void xlr_pic_mask(struct irq_data *d)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ unsigned long flags;
+ nlm_reg_t reg;
+ int irq = d->irq;
+
+ WARN(!PIC_IRQ_IS_IRT(irq), "Bad irq %d", irq);
+
+ spin_lock_irqsave(&nlm_pic_lock, flags);
+ reg = netlogic_read_reg(mmio, PIC_IRT_1_BASE + irq - PIC_IRQ_BASE);
+ netlogic_write_reg(mmio, PIC_IRT_1_BASE + irq - PIC_IRQ_BASE,
+ reg | (1 << 6) | (1 << 30) | (0 << 31));
+ spin_unlock_irqrestore(&nlm_pic_lock, flags);
+}
+
+static void xlr_pic_ack(struct irq_data *d)
+{
+ unsigned long flags;
+ nlm_reg_t *mmio;
+ int irq = d->irq;
+
+ WARN(!PIC_IRQ_IS_IRT(irq), "Bad irq %d", irq);
+
+ mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ spin_lock_irqsave(&nlm_pic_lock, flags);
+ netlogic_write_reg(mmio, PIC_INT_ACK, (1 << (irq - PIC_IRQ_BASE)));
+ spin_unlock_irqrestore(&nlm_pic_lock, flags);
+}
+
+/*
+ * This chip definition handles interrupts routed thru the XLR
+ * hardware PIC, currently IRQs 8-39 are mapped to hardware intr
+ * 0-31 wired the XLR PIC
+ */
+static struct irq_chip xlr_pic = {
+ .name = "XLR-PIC",
+ .irq_enable = xlr_pic_enable,
+ .irq_mask = xlr_pic_mask,
+ .irq_ack = xlr_pic_ack,
+};
+
+static void rsvd_irq_handler(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 = "XLR-CPU-INTR",
+ .irq_enable = rsvd_irq_handler,
+ .irq_mask = rsvd_irq_handler,
+ .irq_ack = rsvd_irq_handler,
+};
+
+void __init init_xlr_irqs(void)
+{
+ nlm_reg_t *mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
+ uint32_t thread_mask = 1;
+ int level, i;
+
+ pr_info("Interrupt thread mask [%x]\n", thread_mask);
+ for (i = 0; i < PIC_NUM_IRTS; i++) {
+ level = PIC_IRQ_IS_EDGE_TRIGGERED(i);
+
+ /* Bind all PIC irqs to boot cpu */
+ netlogic_write_reg(mmio, PIC_IRT_0_BASE + i, thread_mask);
+
+ /*
+ * Use local scheduling and high polarity for all IRTs
+ * Invalidate all IRTs, by default
+ */
+ netlogic_write_reg(mmio, PIC_IRT_1_BASE + i,
+ (level << 30) | (1 << 6) | (PIC_IRQ_BASE + i));
+ }
+
+ /* Make all IRQs as level triggered by default */
+ for (i = 0; i < NR_IRQS; i++) {
+ if (PIC_IRQ_IS_IRT(i))
+ irq_set_chip_and_handler(i, &xlr_pic, handle_level_irq);
+ else
+ irq_set_chip_and_handler(i, &nlm_cpu_intr,
+ 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_irq_mask |=
+ ((1ULL << IRQ_IPI_SMP_FUNCTION) | (1ULL << IRQ_IPI_SMP_RESCHEDULE));
+#endif
+ /* unmask all PIC related interrupts. If no handler is installed by the
+ * drivers, it'll just ack the interrupt and return
+ */
+ for (i = PIC_IRT_FIRST_IRQ; i <= PIC_IRT_LAST_IRQ; i++)
+ nlm_irq_mask |= (1ULL << i);
+
+ nlm_irq_mask |= (1ULL << IRQ_TIMER);
+}
+
+void __init arch_init_irq(void)
+{
+ /* Initialize the irq descriptors */
+ init_xlr_irqs();
+ write_c0_eimr(nlm_irq_mask);
+}
+
+void __cpuinit nlm_smp_irq_init(void)
+{
+ /* set interrupt mask for non-zero cpus */
+ write_c0_eimr(nlm_irq_mask);
+}
+
+asmlinkage void plat_irq_dispatch(void)
+{
+ uint64_t eirr;
+ int i;
+
+ eirr = read_c0_eirr() & read_c0_eimr();
+ if (!eirr)
+ return;
+
+ /* no need of EIRR here, writing compare clears interrupt */
+ if (eirr & (1 << IRQ_TIMER)) {
+ do_IRQ(IRQ_TIMER);
+ return;
+ }
+
+ /* TODO use dcltz: optimize below code */
+ for (i = 63; i != -1; i--) {
+ if (eirr & (1ULL << i))
+ break;
+ }
+ if (i == -1) {
+ pr_err("no interrupt !!\n");
+ return;
+ }
+
+ /* Ack eirr */
+ write_c0_eirr(1ULL << i);
+
+ do_IRQ(i);
+}
diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c
new file mode 100644
index 0000000..609ec25
--- /dev/null
+++ b/arch/mips/netlogic/xlr/platform.c
@@ -0,0 +1,98 @@
+/*
+ * Copyright 2011, Netlogic Microsystems.
+ * Copyright 2004, Matt Porter <mporter@kernel.crashing.org>
+ *
+ * This file is licensed under the terms of the GNU General Public
+ * License version 2. This program is licensed "as is" without any
+ * warranty of any kind, whether express or implied.
+ */
+
+#include <linux/device.h>
+#include <linux/platform_device.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/resource.h>
+#include <linux/serial_8250.h>
+#include <linux/serial_reg.h>
+
+#include <asm/netlogic/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/xlr.h>
+
+unsigned int nlm_xlr_uart_in(struct uart_port *p, int offset)
+{
+ nlm_reg_t *mmio;
+ unsigned int value;
+
+ /* XLR uart does not need any mapping of regs */
+ mmio = (nlm_reg_t *)(p->membase + (offset << p->regshift));
+ value = netlogic_read_reg(mmio, 0);
+
+ /* See XLR/XLS errata */
+ if (offset == UART_MSR)
+ value ^= 0xF0;
+ else if (offset == UART_MCR)
+ value ^= 0x3;
+
+ return value;
+}
+
+void nlm_xlr_uart_out(struct uart_port *p, int offset, int value)
+{
+ nlm_reg_t *mmio;
+
+ /* XLR uart does not need any mapping of regs */
+ mmio = (nlm_reg_t *)(p->membase + (offset << p->regshift));
+
+ /* See XLR/XLS errata */
+ if (offset == UART_MSR)
+ value ^= 0xF0;
+ else if (offset == UART_MCR)
+ value ^= 0x3;
+
+ netlogic_write_reg(mmio, 0, value);
+}
+
+#define PORT(_irq) \
+ { \
+ .irq = _irq, \
+ .regshift = 2, \
+ .iotype = UPIO_MEM32, \
+ .flags = (UPF_SKIP_TEST | \
+ UPF_FIXED_TYPE | UPF_BOOT_AUTOCONF),\
+ .uartclk = PIC_CLKS_PER_SEC, \
+ .type = PORT_16550A, \
+ .serial_in = nlm_xlr_uart_in, \
+ .serial_out = nlm_xlr_uart_out, \
+ }
+
+static struct plat_serial8250_port xlr_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 = xlr_uart_data,
+ },
+};
+
+static int __init nlm_uart_init(void)
+{
+ nlm_reg_t *mmio;
+
+ mmio = netlogic_io_mmio(NETLOGIC_IO_UART_0_OFFSET);
+ xlr_uart_data[0].membase = (void __iomem *)mmio;
+ xlr_uart_data[0].mapbase = CPHYSADDR((unsigned long)mmio);
+
+ mmio = netlogic_io_mmio(NETLOGIC_IO_UART_1_OFFSET);
+ xlr_uart_data[1].membase = (void __iomem *)mmio;
+ xlr_uart_data[1].mapbase = CPHYSADDR((unsigned long)mmio);
+
+ return platform_device_register(&uart_device);
+}
+
+arch_initcall(nlm_uart_init);
diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c
new file mode 100644
index 0000000..4828025
--- /dev/null
+++ b/arch/mips/netlogic/xlr/setup.c
@@ -0,0 +1,188 @@
+/*
+ * 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 <asm/smp-ops.h>
+
+#include <asm/netlogic/interrupt.h>
+#include <asm/netlogic/psb-bootinfo.h>
+
+#include <asm/netlogic/xlr/xlr.h>
+#include <asm/netlogic/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/gpio.h>
+
+unsigned long netlogic_io_base = (unsigned long)(DEFAULT_NETLOGIC_IO_BASE);
+unsigned long nlm_common_ebase = 0x0;
+struct psb_info nlm_prom_info;
+
+static void nlm_early_serial_setup(void)
+{
+ struct uart_port s;
+ nlm_reg_t *uart_base;
+
+ uart_base = netlogic_io_mmio(NETLOGIC_IO_UART_0_OFFSET);
+ memset(&s, 0, sizeof(s));
+ s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST;
+ s.iotype = UPIO_MEM32;
+ s.regshift = 2;
+ s.irq = PIC_UART_0_IRQ;
+ s.uartclk = PIC_CLKS_PER_SEC;
+ s.serial_in = nlm_xlr_uart_in;
+ s.serial_out = nlm_xlr_uart_out;
+ s.mapbase = (unsigned long)uart_base;
+ s.membase = (unsigned char __iomem *)uart_base;
+ early_serial_setup(&s);
+}
+
+static void nlm_linux_exit(void)
+{
+ nlm_reg_t *mmio;
+
+ mmio = netlogic_io_mmio(NETLOGIC_IO_GPIO_OFFSET);
+ /* trigger a chip reset by writing 1 to GPIO_SWRESET_REG */
+ netlogic_write_reg(mmio, NETLOGIC_GPIO_SWRESET_REG, 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 XLR/XLS Series";
+}
+
+void __init prom_free_prom_memory(void)
+{
+ /* Nothing yet */
+}
+
+static void build_arcs_cmdline(int *argv)
+{
+ int i, remain, len;
+ char *arg;
+
+ remain = sizeof(arcs_cmdline) - 1;
+ arcs_cmdline[0] = '\0';
+ for (i = 0; argv[i] != 0; i++) {
+ arg = (char *)(long)argv[i];
+ len = strlen(arg);
+ if (len + 1 > remain)
+ break;
+ strcat(arcs_cmdline, arg);
+ strcat(arcs_cmdline, " ");
+ remain -= len + 1;
+ }
+
+ /* Add the default options here */
+ if ((strstr(arcs_cmdline, "console=")) == NULL) {
+ arg = "console=ttyS0,38400 ";
+ len = strlen(arg);
+ if (len > remain)
+ goto fail;
+ strcat(arcs_cmdline, arg);
+ remain -= len;
+ }
+#ifdef CONFIG_BLK_DEV_INITRD
+ if ((strstr(arcs_cmdline, "rdinit=")) == NULL) {
+ arg = "rdinit=/sbin/init ";
+ len = strlen(arg);
+ if (len > remain)
+ goto fail;
+ strcat(arcs_cmdline, arg);
+ remain -= len;
+ }
+#endif
+ return;
+fail:
+ panic("Cannot add %s, command line too big!", arg);
+}
+
+static void prom_add_memory(void)
+{
+ struct nlm_boot_mem_map *bootm;
+ u64 start, size;
+ u64 pref_backup = 512; /* avoid pref walking beyond end */
+ int i;
+
+ bootm = (void *)(long)nlm_prom_info.psb_mem_map;
+ for (i = 0; i < bootm->nr_map; i++) {
+ if (bootm->map[i].type != BOOT_MEM_RAM)
+ continue;
+ start = bootm->map[i].addr;
+ size = bootm->map[i].size;
+
+ /* Work around for using bootloader mem */
+ if (i == 0 && start == 0 && size == 0x0c000000)
+ size = 0x0ff00000;
+
+ add_memory_region(start, size - pref_backup, BOOT_MEM_RAM);
+ }
+}
+
+void __init prom_init(void)
+{
+ int *argv, *envp; /* passed as 32 bit ptrs */
+ struct psb_info *prom_infop;
+
+ /* truncate to 32 bit and sign extend all args */
+ argv = (int *)(long)(int)fw_arg1;
+ envp = (int *)(long)(int)fw_arg2;
+ prom_infop = (struct psb_info *)(long)(int)fw_arg3;
+
+ nlm_prom_info = *prom_infop;
+
+ nlm_early_serial_setup();
+ build_arcs_cmdline(argv);
+ nlm_common_ebase = read_c0_ebase() & (~((1 << 12) - 1));
+ prom_add_memory();
+
+#ifdef CONFIG_SMP
+ nlm_wakeup_secondary_cpus(nlm_prom_info.online_cpu_map);
+ register_smp_ops(&nlm_smp_ops);
+#endif
+}
diff --git a/arch/mips/netlogic/xlr/smp.c b/arch/mips/netlogic/xlr/smp.c
new file mode 100644
index 0000000..b495a7f
--- /dev/null
+++ b/arch/mips/netlogic/xlr/smp.c
@@ -0,0 +1,225 @@
+/*
+ * 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/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/xlr.h>
+
+void core_send_ipi(int logical_cpu, unsigned int action)
+{
+ int cpu = cpu_logical_map(logical_cpu);
+ u32 tid = cpu & 0x3;
+ u32 pid = (cpu >> 2) & 0x07;
+ u32 ipi = (tid << 16) | (pid << 20);
+
+ if (action & SMP_CALL_FUNCTION)
+ ipi |= IRQ_IPI_SMP_FUNCTION;
+ else if (action & SMP_RESCHEDULE_YOURSELF)
+ ipi |= IRQ_IPI_SMP_RESCHEDULE;
+ else
+ return;
+
+ pic_send_ipi(ipi);
+}
+
+void nlm_send_ipi_single(int cpu, unsigned int action)
+{
+ core_send_ipi(cpu, action);
+}
+
+void nlm_send_ipi_mask(const struct cpumask *mask, unsigned int action)
+{
+ int cpu;
+
+ for_each_cpu(cpu, mask) {
+ core_send_ipi(cpu, action);
+ }
+}
+
+/* IRQ_IPI_SMP_FUNCTION Handler */
+void nlm_smp_function_ipi_handler(unsigned int irq, struct irq_desc *desc)
+{
+ smp_call_function_interrupt();
+}
+
+/* IRQ_IPI_SMP_RESCHEDULE handler */
+void nlm_smp_resched_ipi_handler(unsigned int irq, struct irq_desc *desc)
+{
+ set_need_resched();
+}
+
+void nlm_common_ipi_handler(int irq, struct pt_regs *regs)
+{
+ if (irq == IRQ_IPI_SMP_FUNCTION) {
+ smp_call_function_interrupt();
+ } else {
+ /* Announce that we are for reschduling */
+ set_need_resched();
+ }
+}
+
+/*
+ * Called before going into mips code, early cpu init
+ */
+void nlm_early_init_secondary(void)
+{
+ write_c0_ebase((uint32_t)nlm_common_ebase);
+ /* TLB partition here later */
+}
+
+/*
+ * 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
+}
+
+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_point;
+
+int nlm_wakeup_secondary_cpus(u32 wakeup_mask)
+{
+ unsigned int tid, pid, ipi, i, boot_cpu;
+ void *reset_vec;
+
+ secondary_entry_point = (unsigned long)prom_pre_boot_secondary_cpus;
+ reset_vec = (void *)CKSEG1ADDR(0x1fc00000);
+ memcpy(reset_vec, nlm_boot_smp_nmi, 0x80);
+ boot_cpu = hard_smp_processor_id();
+
+ for (i = 0; i < NR_CPUS; i++) {
+ if (i == boot_cpu)
+ continue;
+ if (wakeup_mask & (1u << i)) {
+ tid = i & 0x3;
+ pid = (i >> 2) & 0x7;
+ ipi = (tid << 16) | (pid << 20) | (1 << 8);
+ pic_send_ipi(ipi);
+ }
+ }
+
+ return 0;
+}
diff --git a/arch/mips/netlogic/xlr/smpboot.S b/arch/mips/netlogic/xlr/smpboot.S
new file mode 100644
index 0000000..b8e0744
--- /dev/null
+++ b/arch/mips/netlogic/xlr/smpboot.S
@@ -0,0 +1,94 @@
+/*
+ * 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 <asm/asm.h>
+#include <asm/asm-offsets.h>
+#include <asm/regdef.h>
+#include <asm/mipsregs.h>
+
+
+/* Don't jump to linux function from Bootloader stack. Change it
+ * here. Kernel might allocate bootloader memory before all the CPUs are
+ * brought up (eg: Inode cache region) and we better don't overwrite this
+ * memory
+ */
+NESTED(prom_pre_boot_secondary_cpus, 16, sp)
+ .set mips64
+ mfc0 t0, $15, 1 # read ebase
+ andi t0, 0x1f # t0 has the processor_id()
+ sll t0, 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
+ beqz t2, 1b
+ nop
+
+ PTR_LA t1, nlm_next_sp
+ PTR_L sp, 0(t1)
+ PTR_LA t1, nlm_next_gp
+ PTR_L gp, 0(t1)
+
+ PTR_LA t0, nlm_early_init_secondary
+ jalr t0
+ nop
+
+ PTR_LA t0, smp_bootstrap
+ jr t0
+ nop
+END(prom_pre_boot_secondary_cpus)
+
+NESTED(nlm_boot_smp_nmi, 0, sp)
+ .set push
+ .set noat
+ .set mips64
+ .set noreorder
+
+ /* Clear the NMI and BEV bits */
+ MFC0 k0, CP0_STATUS
+ li k1, 0xffb7ffff
+ and k0, k0, k1
+ MTC0 k0, CP0_STATUS
+
+ PTR_LA k1, secondary_entry_point
+ PTR_L k0, 0(k1)
+ jr k0
+ nop
+ .set pop
+END(nlm_boot_smp_nmi)
diff --git a/arch/mips/netlogic/xlr/time.c b/arch/mips/netlogic/xlr/time.c
new file mode 100644
index 0000000..0d81b26
--- /dev/null
+++ b/arch/mips/netlogic/xlr/time.c
@@ -0,0 +1,51 @@
+/*
+ * 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/time.h>
+#include <asm/netlogic/interrupt.h>
+#include <asm/netlogic/psb-bootinfo.h>
+
+unsigned int __cpuinit get_c0_compare_int(void)
+{
+ return IRQ_TIMER;
+}
+
+void __init plat_time_init(void)
+{
+ mips_hpt_frequency = nlm_prom_info.cpu_frequency;
+ pr_info("MIPS counter frequency [%ld]\n",
+ (unsigned long)mips_hpt_frequency);
+}
diff --git a/arch/mips/netlogic/xlr/xlr_console.c b/arch/mips/netlogic/xlr/xlr_console.c
new file mode 100644
index 0000000..759df06
--- /dev/null
+++ b/arch/mips/netlogic/xlr/xlr_console.c
@@ -0,0 +1,46 @@
+/*
+ * 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/xlr/iomap.h>
+
+void prom_putchar(char c)
+{
+ nlm_reg_t *mmio;
+
+ mmio = netlogic_io_mmio(NETLOGIC_IO_UART_0_OFFSET);
+ while (netlogic_read_reg(mmio, 0x5) == 0)
+ ;
+ netlogic_write_reg(mmio, 0x0, c);
+}
--
1.7.1
--
Jayachandran C.
jayachandranc@netlogicmicro.com (Netlogic Microsystems)
^ permalink raw reply related [flat|nested] 23+ messages in thread* [PATCH 7/8] PCI support for XLR/XLS
2011-05-06 20:05 [PATCH 0/8] Support for Netlogic XLR/XLS processors Jayachandran C
` (5 preceding siblings ...)
2011-05-06 20:07 ` [PATCH 6/8] Add default configuration for XLR/XLS processors Jayachandran C
@ 2011-05-06 20:07 ` Jayachandran C
2011-05-11 16:54 ` Ralf Baechle
2011-05-06 20:07 ` [PATCH 8/8] USB support for XLS platforms Jayachandran C
7 siblings, 1 reply; 23+ messages in thread
From: Jayachandran C @ 2011-05-06 20:07 UTC (permalink / raw)
To: ralf; +Cc: linux-mips
Adds pci/pci-xlr.c to support for XLR PCI/PCI-X interface and XLS PCIe
interface.
Update irq.c to ack PCI interrupts, use irq handler data to do the
PCI/PCIe bus ack.
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
---
arch/mips/include/asm/netlogic/xlr/xlr.h | 21 +++
arch/mips/netlogic/xlr/irq.c | 86 ++++++++++++-
arch/mips/pci/Makefile | 1 +
arch/mips/pci/pci-xlr.c | 214 ++++++++++++++++++++++++++++++
4 files changed, 321 insertions(+), 1 deletions(-)
create mode 100644 arch/mips/pci/pci-xlr.c
diff --git a/arch/mips/include/asm/netlogic/xlr/xlr.h b/arch/mips/include/asm/netlogic/xlr/xlr.h
index 454c236..3e63726 100644
--- a/arch/mips/include/asm/netlogic/xlr/xlr.h
+++ b/arch/mips/include/asm/netlogic/xlr/xlr.h
@@ -41,6 +41,7 @@ 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);
@@ -51,4 +52,24 @@ void prom_pre_boot_secondary_cpus(void);
extern struct plat_smp_ops nlm_smp_ops;
extern unsigned long nlm_common_ebase;
+/* XLS B silicon "Rook" */
+static inline unsigned int nlm_chip_is_xls_b(void)
+{
+ uint32_t prid = read_c0_prid();
+
+ return ((prid & 0xf000) == 0x4000);
+}
+
+/*
+ * XLR chip types
+ */
+ /* The XLS product line has chip versions 0x[48c]? */
+static inline unsigned int nlm_chip_is_xls(void)
+{
+ uint32_t prid = read_c0_prid();
+
+ return ((prid & 0xf000) == 0x8000 || (prid & 0xf000) == 0x4000 ||
+ (prid & 0xf000) == 0xc000);
+}
+
#endif /* _ASM_NLM_XLR_H */
diff --git a/arch/mips/netlogic/xlr/irq.c b/arch/mips/netlogic/xlr/irq.c
index 2033f56..1446d58 100644
--- a/arch/mips/netlogic/xlr/irq.c
+++ b/arch/mips/netlogic/xlr/irq.c
@@ -83,14 +83,71 @@ static void xlr_pic_mask(struct irq_data *d)
spin_unlock_irqrestore(&nlm_pic_lock, flags);
}
+#ifdef CONFIG_PCI
+/* Extra ACK needed for XLR on chip PCI controller */
+static void xlr_pci_ack(struct irq_data *d)
+{
+ nlm_reg_t *pci_mmio = netlogic_io_mmio(NETLOGIC_IO_PCIX_OFFSET);
+
+ netlogic_read_reg(pci_mmio, (0x140 >> 2));
+}
+
+/* Extra ACK needed for XLS on chip PCIe controller */
+static void xls_pcie_ack(struct irq_data *d)
+{
+ nlm_reg_t *pcie_mmio_le = netlogic_io_mmio(NETLOGIC_IO_PCIE_1_OFFSET);
+
+ switch (d->irq) {
+ case PIC_PCIE_LINK0_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x90 >> 2), 0xffffffff);
+ break;
+ case PIC_PCIE_LINK1_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x94 >> 2), 0xffffffff);
+ break;
+ case PIC_PCIE_LINK2_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x190 >> 2), 0xffffffff);
+ break;
+ case PIC_PCIE_LINK3_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x194 >> 2), 0xffffffff);
+ break;
+ }
+}
+
+/* For XLS B silicon, the 3,4 PCI interrupts are different */
+static void xls_pcie_ack_b(struct irq_data *d)
+{
+ nlm_reg_t *pcie_mmio_le = netlogic_io_mmio(NETLOGIC_IO_PCIE_1_OFFSET);
+
+ switch (d->irq) {
+ case PIC_PCIE_LINK0_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x90 >> 2), 0xffffffff);
+ break;
+ case PIC_PCIE_LINK1_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x94 >> 2), 0xffffffff);
+ break;
+ case PIC_PCIE_XLSB0_LINK2_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x190 >> 2), 0xffffffff);
+ break;
+ case PIC_PCIE_XLSB0_LINK3_IRQ:
+ netlogic_write_reg(pcie_mmio_le, (0x194 >> 2), 0xffffffff);
+ break;
+ }
+}
+#endif
+
static void xlr_pic_ack(struct irq_data *d)
{
unsigned long flags;
nlm_reg_t *mmio;
int irq = d->irq;
+ void *hd = irq_data_get_irq_handler_data(d);
WARN(!PIC_IRQ_IS_IRT(irq), "Bad irq %d", irq);
+ if (hd) {
+ void (*extra_ack)(void *) = hd;
+ extra_ack(d);
+ }
mmio = netlogic_io_mmio(NETLOGIC_IO_PIC_OFFSET);
spin_lock_irqsave(&nlm_pic_lock, flags);
netlogic_write_reg(mmio, PIC_INT_ACK, (1 << (irq - PIC_IRQ_BASE)));
@@ -162,6 +219,33 @@ void __init init_xlr_irqs(void)
nlm_irq_mask |=
((1ULL << IRQ_IPI_SMP_FUNCTION) | (1ULL << IRQ_IPI_SMP_RESCHEDULE));
#endif
+
+#ifdef CONFIG_PCI
+ /*
+ * For PCI interrupts, we need to ack the PIC controller too, overload
+ * irq handler data to do this
+ */
+ if (nlm_chip_is_xls()) {
+ if (nlm_chip_is_xls_b()) {
+ irq_set_handler_data(PIC_PCIE_LINK0_IRQ,
+ xls_pcie_ack_b);
+ irq_set_handler_data(PIC_PCIE_LINK1_IRQ,
+ xls_pcie_ack_b);
+ irq_set_handler_data(PIC_PCIE_XLSB0_LINK2_IRQ,
+ xls_pcie_ack_b);
+ irq_set_handler_data(PIC_PCIE_XLSB0_LINK3_IRQ,
+ xls_pcie_ack_b);
+ } else {
+ irq_set_handler_data(PIC_PCIE_LINK0_IRQ, xls_pcie_ack);
+ irq_set_handler_data(PIC_PCIE_LINK1_IRQ, xls_pcie_ack);
+ irq_set_handler_data(PIC_PCIE_LINK2_IRQ, xls_pcie_ack);
+ irq_set_handler_data(PIC_PCIE_LINK3_IRQ, xls_pcie_ack);
+ }
+ } else {
+ /* XLR PCI controller ACK */
+ irq_set_handler_data(PIC_PCIE_XLSB0_LINK3_IRQ, xlr_pci_ack);
+ }
+#endif
/* unmask all PIC related interrupts. If no handler is installed by the
* drivers, it'll just ack the interrupt and return
*/
@@ -199,7 +283,7 @@ asmlinkage void plat_irq_dispatch(void)
return;
}
- /* TODO use dcltz: optimize below code */
+ /* use dcltz: optimize below code */
for (i = 63; i != -1; i--) {
if (eirr & (1ULL << i))
break;
diff --git a/arch/mips/pci/Makefile b/arch/mips/pci/Makefile
index c9209ca..f0d5329 100644
--- a/arch/mips/pci/Makefile
+++ b/arch/mips/pci/Makefile
@@ -55,6 +55,7 @@ obj-$(CONFIG_ZAO_CAPCELLA) += fixup-capcella.o
obj-$(CONFIG_WR_PPMC) += fixup-wrppmc.o
obj-$(CONFIG_MIKROTIK_RB532) += pci-rc32434.o ops-rc32434.o fixup-rc32434.o
obj-$(CONFIG_CPU_CAVIUM_OCTEON) += pci-octeon.o pcie-octeon.o
+obj-$(CONFIG_NLM_XLR) += pci-xlr.o
ifdef CONFIG_PCI_MSI
obj-$(CONFIG_CPU_CAVIUM_OCTEON) += msi-octeon.o
diff --git a/arch/mips/pci/pci-xlr.c b/arch/mips/pci/pci-xlr.c
new file mode 100644
index 0000000..38fece1
--- /dev/null
+++ b/arch/mips/pci/pci-xlr.c
@@ -0,0 +1,214 @@
+/*
+ * 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/pci.h>
+#include <linux/kernel.h>
+#include <linux/init.h>
+#include <linux/mm.h>
+#include <linux/console.h>
+
+#include <asm/io.h>
+
+#include <asm/netlogic/interrupt.h>
+#include <asm/netlogic/xlr/iomap.h>
+#include <asm/netlogic/xlr/pic.h>
+#include <asm/netlogic/xlr/xlr.h>
+
+static void *pci_config_base;
+
+#define pci_cfg_addr(bus, devfn, off) (((bus) << 16) | ((devfn) << 8) | (off))
+
+/* PCI ops */
+static inline u32 pci_cfg_read_32bit(struct pci_bus *bus, unsigned int devfn,
+ int where)
+{
+ u32 data;
+ u32 *cfgaddr;
+
+ cfgaddr = (u32 *)(pci_config_base +
+ pci_cfg_addr(bus->number, devfn, where & ~3));
+ data = *cfgaddr;
+ return cpu_to_le32(data);
+}
+
+static inline void pci_cfg_write_32bit(struct pci_bus *bus, unsigned int devfn,
+ int where, u32 data)
+{
+ u32 *cfgaddr;
+
+ cfgaddr = (u32 *)(pci_config_base +
+ pci_cfg_addr(bus->number, devfn, where & ~3));
+ *cfgaddr = cpu_to_le32(data);
+}
+
+static int nlm_pcibios_read(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 *val)
+{
+ u32 data;
+
+ if ((size == 2) && (where & 1))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ else if ((size == 4) && (where & 3))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+
+ data = pci_cfg_read_32bit(bus, devfn, where);
+
+ if (size == 1)
+ *val = (data >> ((where & 3) << 3)) & 0xff;
+ else if (size == 2)
+ *val = (data >> ((where & 3) << 3)) & 0xffff;
+ else
+ *val = data;
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+
+static int nlm_pcibios_write(struct pci_bus *bus, unsigned int devfn,
+ int where, int size, u32 val)
+{
+ u32 data;
+
+ if ((size == 2) && (where & 1))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+ else if ((size == 4) && (where & 3))
+ return PCIBIOS_BAD_REGISTER_NUMBER;
+
+ data = pci_cfg_read_32bit(bus, devfn, where);
+
+ if (size == 1)
+ data = (data & ~(0xff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ else if (size == 2)
+ data = (data & ~(0xffff << ((where & 3) << 3))) |
+ (val << ((where & 3) << 3));
+ else
+ data = val;
+
+ pci_cfg_write_32bit(bus, devfn, where, data);
+
+ return PCIBIOS_SUCCESSFUL;
+}
+
+struct pci_ops nlm_pci_ops = {
+ .read = nlm_pcibios_read,
+ .write = nlm_pcibios_write
+};
+
+static struct resource nlm_pci_mem_resource = {
+ .name = "XLR PCI MEM",
+ .start = 0xd0000000UL, /* 256MB PCI mem @ 0xd000_0000 */
+ .end = 0xdfffffffUL,
+ .flags = IORESOURCE_MEM,
+};
+
+static struct resource nlm_pci_io_resource = {
+ .name = "XLR IO MEM",
+ .start = 0x10000000UL, /* 16MB PCI IO @ 0x1000_0000 */
+ .end = 0x100fffffUL,
+ .flags = IORESOURCE_IO,
+};
+
+struct pci_controller nlm_pci_controller = {
+ .index = 0,
+ .pci_ops = &nlm_pci_ops,
+ .mem_resource = &nlm_pci_mem_resource,
+ .mem_offset = 0x00000000UL,
+ .io_resource = &nlm_pci_io_resource,
+ .io_offset = 0x00000000UL,
+};
+
+int __init pcibios_map_irq(const struct pci_dev *dev, u8 slot, u8 pin)
+{
+ if (!nlm_chip_is_xls())
+ return PIC_PCIX_IRQ; /* for XLR just one IRQ*/
+
+ /*
+ * For XLS PCIe, there is an IRQ per Link, find out which
+ * link the device is on to assign interrupts
+ */
+ if (dev->bus->self == NULL)
+ return 0;
+
+ switch (dev->bus->self->devfn) {
+ case 0x0:
+ return PIC_PCIE_LINK0_IRQ;
+ case 0x8:
+ return PIC_PCIE_LINK1_IRQ;
+ case 0x10:
+ if (nlm_chip_is_xls_b())
+ return PIC_PCIE_XLSB0_LINK2_IRQ;
+ else
+ return PIC_PCIE_LINK2_IRQ;
+ case 0x18:
+ if (nlm_chip_is_xls_b())
+ return PIC_PCIE_XLSB0_LINK3_IRQ;
+ else
+ return PIC_PCIE_LINK3_IRQ;
+ }
+ WARN(1, "Unexpected devfn %d\n", dev->bus->self->devfn);
+ return 0;
+}
+
+/* Do platform specific device initialization at pci_enable_device() time */
+int pcibios_plat_dev_init(struct pci_dev *dev)
+{
+ return 0;
+}
+
+static int __init pcibios_init(void)
+{
+ /* PSB assigns PCI resources */
+ pci_probe_only = 1;
+ pci_config_base = ioremap(DEFAULT_PCI_CONFIG_BASE, 16 << 20);
+
+ /* Extend IO port for memory mapped io */
+ ioport_resource.start = 0;
+ ioport_resource.end = ~0;
+
+ set_io_port_base(CKSEG1);
+ nlm_pci_controller.io_map_base = CKSEG1;
+
+ pr_info("Registering XLR/XLS PCIX/PCIE Controller.\n");
+ register_pci_controller(&nlm_pci_controller);
+
+ return 0;
+}
+
+arch_initcall(pcibios_init);
+
+struct pci_fixup pcibios_fixups[] = {
+ {0}
+};
--
1.7.1
--
Jayachandran C.
jayachandranc@netlogicmicro.com (Netlogic Microsystems)
^ permalink raw reply related [flat|nested] 23+ messages in thread* [PATCH 8/8] USB support for XLS platforms.
2011-05-06 20:05 [PATCH 0/8] Support for Netlogic XLR/XLS processors Jayachandran C
` (6 preceding siblings ...)
2011-05-06 20:07 ` [PATCH 7/8] PCI support for XLR/XLS Jayachandran C
@ 2011-05-06 20:07 ` Jayachandran C
2011-05-11 16:51 ` Ralf Baechle
7 siblings, 1 reply; 23+ messages in thread
From: Jayachandran C @ 2011-05-06 20:07 UTC (permalink / raw)
To: ralf; +Cc: linux-mips
update ehci-hcd.c and ohci-hcd.c to add XLS hcds
add ehci/ohci devices to XLR/XLS platform driver
Kconfig update
Signed-off-by: Jayachandran C <jayachandranc@netlogicmicro.com>
---
arch/mips/Kconfig | 2 +
arch/mips/netlogic/xlr/platform.c | 89 ++++++++++++++++++++
drivers/usb/host/ehci-hcd.c | 5 +
drivers/usb/host/ehci-xls.c | 161 +++++++++++++++++++++++++++++++++++++
drivers/usb/host/ohci-hcd.c | 5 +
drivers/usb/host/ohci-xls.c | 151 ++++++++++++++++++++++++++++++++++
6 files changed, 413 insertions(+), 0 deletions(-)
create mode 100644 drivers/usb/host/ehci-xls.c
create mode 100644 drivers/usb/host/ohci-xls.c
diff --git a/arch/mips/Kconfig b/arch/mips/Kconfig
index 5016caa..7fa4f01 100644
--- a/arch/mips/Kconfig
+++ b/arch/mips/Kconfig
@@ -759,6 +759,8 @@ config NLM_XLR_BOARD
select ZONE_DMA if 64BIT
select SYNC_R4K
select SYS_HAS_EARLY_PRINTK
+ select USB_ARCH_HAS_OHCI if USB_SUPPORT
+ select USB_ARCH_HAS_EHCI if USB_SUPPORT
help
Support for systems based on Netlogic XLR and XLS processors.
Say Y here if you have a XLR or XLS based board.
diff --git a/arch/mips/netlogic/xlr/platform.c b/arch/mips/netlogic/xlr/platform.c
index 609ec25..bdcab10 100644
--- a/arch/mips/netlogic/xlr/platform.c
+++ b/arch/mips/netlogic/xlr/platform.c
@@ -96,3 +96,92 @@ static int __init nlm_uart_init(void)
}
arch_initcall(nlm_uart_init);
+
+#ifdef CONFIG_USB
+/* Platform USB devices, only on XLS chips */
+static u64 xls_usb_dmamask = ~(u32)0;
+#define USB_PLATFORM_DEV(n, i, irq) \
+ { \
+ .name = n, \
+ .id = i, \
+ .num_resources = 2, \
+ .dev = { \
+ .dma_mask = &xls_usb_dmamask, \
+ .coherent_dma_mask = 0xffffffff, \
+ }, \
+ .resource = (struct resource[]) { \
+ { \
+ .flags = IORESOURCE_MEM, \
+ }, \
+ { \
+ .start = irq, \
+ .end = irq, \
+ .flags = IORESOURCE_IRQ, \
+ }, \
+ }, \
+ }
+
+static struct platform_device xls_usb_ehci_device =
+ USB_PLATFORM_DEV("ehci-xls", 0, PIC_USB_IRQ);
+static struct platform_device xls_usb_ohci_device_0 =
+ USB_PLATFORM_DEV("ohci-xls-0", 1, PIC_USB_IRQ);
+static struct platform_device xls_usb_ohci_device_1 =
+ USB_PLATFORM_DEV("ohci-xls-1", 2, PIC_USB_IRQ);
+
+static struct platform_device *xls_platform_devices[] __initdata = {
+ &xls_usb_ehci_device,
+ &xls_usb_ohci_device_0,
+ &xls_usb_ohci_device_1,
+};
+
+int xls_platform_usb_init(void)
+{
+ nlm_reg_t *usb_mmio, *gpio_mmio;
+ unsigned long memres;
+ uint32_t val;
+
+ if (!nlm_chip_is_xls())
+ return 0;
+
+ gpio_mmio = netlogic_io_mmio(NETLOGIC_IO_GPIO_OFFSET);
+ usb_mmio = netlogic_io_mmio(NETLOGIC_IO_USB_1_OFFSET);
+
+ /* Clear Rogue Phy INTs */
+ netlogic_write_reg(usb_mmio, 49, 0x10000000);
+ /* Enable all interrupts */
+ netlogic_write_reg(usb_mmio, 50, 0x1f000000);
+
+ /* Enable ports */
+ netlogic_write_reg(usb_mmio, 1, 0x07000500);
+
+ val = netlogic_read_reg(gpio_mmio, 21);
+ if (((val >> 22) & 0x01) == 0) {
+ pr_info("Detected USB Device mode - Not supported!\n");
+ netlogic_write_reg(usb_mmio, 0, 0x01000000);
+ return 0;
+ }
+
+ pr_info("Detected USB Host mode - Adding XLS USB devices.\n");
+ /* Clear reset, host mode */
+ netlogic_write_reg(usb_mmio, 0, 0x02000000);
+
+ /* Memory resource for various XLS usb ports */
+ usb_mmio = netlogic_io_mmio(NETLOGIC_IO_USB_0_OFFSET);
+ memres = CPHYSADDR((unsigned long)usb_mmio);
+ xls_usb_ehci_device.resource[0].start = memres;
+ xls_usb_ehci_device.resource[0].end = memres + 0x400 - 1;
+
+ memres += 0x400;
+ xls_usb_ohci_device_0.resource[0].start = memres;
+ xls_usb_ohci_device_0.resource[0].end = memres + 0x400 - 1;
+
+ memres += 0x400;
+ xls_usb_ohci_device_1.resource[0].start = memres;
+ xls_usb_ohci_device_1.resource[0].end = memres + 0x400 - 1;
+
+ return platform_add_devices(xls_platform_devices,
+ ARRAY_SIZE(xls_platform_devices));
+}
+
+arch_initcall(xls_platform_usb_init);
+#endif
diff --git a/drivers/usb/host/ehci-hcd.c b/drivers/usb/host/ehci-hcd.c
index 78561d1..fde78c9 100644
--- a/drivers/usb/host/ehci-hcd.c
+++ b/drivers/usb/host/ehci-hcd.c
@@ -1265,6 +1265,11 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER tegra_ehci_driver
#endif
+#ifdef CONFIG_NLM_XLR
+#include "ehci-xls.c"
+#define PLATFORM_DRIVER ehci_xls_driver
+#endif
+
#if !defined(PCI_DRIVER) && !defined(PLATFORM_DRIVER) && \
!defined(PS3_SYSTEM_BUS_DRIVER) && !defined(OF_PLATFORM_DRIVER) && \
!defined(XILINX_OF_PLATFORM_DRIVER)
diff --git a/drivers/usb/host/ehci-xls.c b/drivers/usb/host/ehci-xls.c
new file mode 100644
index 0000000..fe74bd6
--- /dev/null
+++ b/drivers/usb/host/ehci-xls.c
@@ -0,0 +1,161 @@
+/*
+ * EHCI HCD for Netlogic XLS processors.
+ *
+ * (C) Copyright 2011 Netlogic Microsystems Inc.
+ *
+ * Based on various ehci-*.c drivers
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/platform_device.h>
+
+static int ehci_xls_setup(struct usb_hcd *hcd)
+{
+ int retval;
+ struct ehci_hcd *ehci = hcd_to_ehci(hcd);
+
+ ehci->caps = hcd->regs;
+ ehci->regs = hcd->regs +
+ HC_LENGTH(ehci_readl(ehci, &ehci->caps->hc_capbase));
+ dbg_hcs_params(ehci, "reset");
+ dbg_hcc_params(ehci, "reset");
+
+ /* cache this readonly data; minimize chip reads */
+ ehci->hcs_params = ehci_readl(ehci, &ehci->caps->hcs_params);
+
+ retval = ehci_halt(ehci);
+ if (retval)
+ return retval;
+
+ /* data structure init */
+ retval = ehci_init(hcd);
+ if (retval)
+ return retval;
+
+ ehci_reset(ehci);
+
+ return retval;
+}
+
+int ehci_xls_probe_internal(const struct hc_driver *driver,
+ struct platform_device *pdev)
+{
+ struct usb_hcd *hcd;
+ struct resource *res;
+ int retval, irq;
+
+ /* Get our IRQ from an earlier registered Platform Resource */
+ irq = platform_get_irq(pdev, 0);
+ if (irq < 0) {
+ dev_err(&pdev->dev, "Found HC with no IRQ. Check %s setup!\n",
+ dev_name(&pdev->dev));
+ return -ENODEV;
+ }
+
+ /* Get our Memory Handle */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "Error: MMIO Handle %s setup!\n",
+ dev_name(&pdev->dev));
+ return -ENODEV;
+ }
+ hcd = usb_create_hcd(driver, &pdev->dev, dev_name(&pdev->dev));
+ if (!hcd) {
+ retval = -ENOMEM;
+ goto err1;
+ }
+
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = res->end - res->start + 1;
+
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
+ driver->description)) {
+ dev_dbg(&pdev->dev, "controller already in use\n");
+ retval = -EBUSY;
+ goto err2;
+ }
+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
+
+ if (hcd->regs == NULL) {
+ dev_dbg(&pdev->dev, "error mapping memory\n");
+ retval = -EFAULT;
+ goto err3;
+ }
+
+ retval = usb_add_hcd(hcd, irq, IRQF_SHARED);
+ if (retval != 0)
+ goto err4;
+ return retval;
+
+err4:
+ iounmap(hcd->regs);
+err3:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err2:
+ usb_put_hcd(hcd);
+err1:
+ dev_err(&pdev->dev, "init %s fail, %d\n", dev_name(&pdev->dev),
+ retval);
+ return retval;
+}
+
+static struct hc_driver ehci_xls_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "XLS EHCI Host Controller",
+ .hcd_priv_size = sizeof(struct ehci_hcd),
+ .irq = ehci_irq,
+ .flags = HCD_USB2 | HCD_MEMORY,
+ .reset = ehci_xls_setup,
+ .start = ehci_run,
+ .stop = ehci_stop,
+ .shutdown = ehci_shutdown,
+
+ .urb_enqueue = ehci_urb_enqueue,
+ .urb_dequeue = ehci_urb_dequeue,
+ .endpoint_disable = ehci_endpoint_disable,
+ .endpoint_reset = ehci_endpoint_reset,
+
+ .get_frame_number = ehci_get_frame,
+
+ .hub_status_data = ehci_hub_status_data,
+ .hub_control = ehci_hub_control,
+ .bus_suspend = ehci_bus_suspend,
+ .bus_resume = ehci_bus_resume,
+ .relinquish_port = ehci_relinquish_port,
+ .port_handed_over = ehci_port_handed_over,
+
+ .clear_tt_buffer_complete = ehci_clear_tt_buffer_complete,
+};
+
+static int ehci_xls_probe(struct platform_device *pdev)
+{
+ if (usb_disabled())
+ return -ENODEV;
+
+ return ehci_xls_probe_internal(&ehci_xls_hc_driver, pdev);
+}
+
+static int ehci_xls_remove(struct platform_device *pdev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(pdev);
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+ return 0;
+}
+
+MODULE_ALIAS("ehci-xls");
+
+static struct platform_driver ehci_xls_driver = {
+ .probe = ehci_xls_probe,
+ .remove = ehci_xls_remove,
+ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "ehci-xls",
+ },
+};
diff --git a/drivers/usb/host/ohci-hcd.c b/drivers/usb/host/ohci-hcd.c
index d557235..7b8c12b 100644
--- a/drivers/usb/host/ohci-hcd.c
+++ b/drivers/usb/host/ohci-hcd.c
@@ -1105,6 +1105,11 @@ MODULE_LICENSE ("GPL");
#define PLATFORM_DRIVER ohci_hcd_cns3xxx_driver
#endif
+#ifdef CONFIG_NLM_XLR
+#include "ohci-xls.c"
+#define PLATFORM_DRIVER ohci_xls_driver
+#endif
+
#if !defined(PCI_DRIVER) && \
!defined(PLATFORM_DRIVER) && \
!defined(OMAP1_PLATFORM_DRIVER) && \
diff --git a/drivers/usb/host/ohci-xls.c b/drivers/usb/host/ohci-xls.c
new file mode 100644
index 0000000..a3a9c6f
--- /dev/null
+++ b/drivers/usb/host/ohci-xls.c
@@ -0,0 +1,151 @@
+/*
+ * OHCI HCD for Netlogic XLS processors.
+ *
+ * (C) Copyright 2011 Netlogic Microsystems Inc.
+ *
+ * Based on ohci-au1xxx.c, and other Linux OHCI drivers.
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file COPYING in the main directory of this archive for
+ * more details.
+ */
+
+#include <linux/platform_device.h>
+#include <linux/signal.h>
+
+static int ohci_xls_probe_internal(const struct hc_driver *driver,
+ struct platform_device *dev)
+{
+ struct resource *res;
+ struct usb_hcd *hcd;
+ int retval, irq;
+
+ /* Get our IRQ from an earlier registered Platform Resource */
+ irq = platform_get_irq(dev, 0);
+ if (irq < 0) {
+ dev_err(&dev->dev, "Found HC with no IRQ\n");
+ return -ENODEV;
+ }
+
+ /* Get our Memory Handle */
+ res = platform_get_resource(dev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&dev->dev, "MMIO Handle incorrect!\n");
+ return -ENODEV;
+ }
+
+ hcd = usb_create_hcd(driver, &dev->dev, "XLS");
+ if (!hcd) {
+ retval = -ENOMEM;
+ goto err1;
+ }
+ hcd->rsrc_start = res->start;
+ hcd->rsrc_len = res->end - res->start + 1;
+
+ if (!request_mem_region(hcd->rsrc_start, hcd->rsrc_len,
+ driver->description)) {
+ dev_dbg(&dev->dev, "Controller already in use\n");
+ retval = -EBUSY;
+ goto err2;
+ }
+
+ hcd->regs = ioremap_nocache(hcd->rsrc_start, hcd->rsrc_len);
+ if (hcd->regs == NULL) {
+ dev_dbg(&dev->dev, "error mapping memory\n");
+ retval = -EFAULT;
+ goto err3;
+ }
+
+ retval = usb_add_hcd(hcd, irq, IRQF_DISABLED | IRQF_SHARED);
+ if (retval != 0)
+ goto err4;
+ return retval;
+
+err4:
+ iounmap(hcd->regs);
+err3:
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+err2:
+ usb_put_hcd(hcd);
+err1:
+ dev_err(&dev->dev, "init fail, %d\n", retval);
+ return retval;
+}
+
+static int ohci_xls_reset(struct usb_hcd *hcd)
+{
+ struct ohci_hcd *ohci = hcd_to_ohci(hcd);
+
+ ohci_hcd_init(ohci);
+ return ohci_init(ohci);
+}
+
+static int __devinit ohci_xls_start(struct usb_hcd *hcd)
+{
+ struct ohci_hcd *ohci;
+ int ret;
+
+ ohci = hcd_to_ohci(hcd);
+ ret = ohci_run(ohci);
+ if (ret < 0) {
+ err("can't start %s", hcd->self.bus_name);
+ ohci_stop(hcd);
+ return ret;
+ }
+ return 0;
+}
+
+static struct hc_driver ohci_xls_hc_driver = {
+ .description = hcd_name,
+ .product_desc = "XLS OHCI Host Controller",
+ .hcd_priv_size = sizeof(struct ohci_hcd),
+ .irq = ohci_irq,
+ .flags = HCD_MEMORY | HCD_USB11,
+ .reset = ohci_xls_reset,
+ .start = ohci_xls_start,
+ .stop = ohci_stop,
+ .shutdown = ohci_shutdown,
+ .urb_enqueue = ohci_urb_enqueue,
+ .urb_dequeue = ohci_urb_dequeue,
+ .endpoint_disable = ohci_endpoint_disable,
+ .get_frame_number = ohci_get_frame,
+ .hub_status_data = ohci_hub_status_data,
+ .hub_control = ohci_hub_control,
+#ifdef CONFIG_PM
+ .bus_suspend = ohci_bus_suspend,
+ .bus_resume = ohci_bus_resume,
+#endif
+ .start_port_reset = ohci_start_port_reset,
+};
+
+static int ohci_xls_probe(struct platform_device *dev)
+{
+ int ret;
+
+ pr_debug("In ohci_xls_probe");
+ if (usb_disabled())
+ return -ENODEV;
+ ret = ohci_xls_probe_internal(&ohci_xls_hc_driver, dev);
+ return ret;
+}
+
+static int ohci_xls_remove(struct platform_device *dev)
+{
+ struct usb_hcd *hcd = platform_get_drvdata(dev);
+
+ usb_remove_hcd(hcd);
+ iounmap(hcd->regs);
+ release_mem_region(hcd->rsrc_start, hcd->rsrc_len);
+ usb_put_hcd(hcd);
+ return 0;
+}
+
+static struct platform_driver ohci_xls_driver = {
+ .probe = ohci_xls_probe,
+ .remove = ohci_xls_remove,
+ .shutdown = usb_hcd_platform_shutdown,
+ .driver = {
+ .name = "ohci-xls-0",
+ .owner = THIS_MODULE,
+ },
+};
--
1.7.1
--
Jayachandran C.
jayachandranc@netlogicmicro.com (Netlogic Microsystems)
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