diff options
Diffstat (limited to 'arch/mips/netlogic/xlr')
| -rw-r--r-- | arch/mips/netlogic/xlr/Makefile | 7 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/irq.c | 300 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/platform.c | 31 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/setup.c | 31 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/smp.c | 220 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/smpboot.S | 100 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/time.c | 51 | ||||
| -rw-r--r-- | arch/mips/netlogic/xlr/wakeup.c (renamed from arch/mips/netlogic/xlr/xlr_console.c) | 36 |
8 files changed, 69 insertions, 707 deletions
diff --git a/arch/mips/netlogic/xlr/Makefile b/arch/mips/netlogic/xlr/Makefile index 2dca585dd2f7..f01e4d7a0600 100644 --- a/arch/mips/netlogic/xlr/Makefile +++ b/arch/mips/netlogic/xlr/Makefile @@ -1,5 +1,2 @@ -obj-y += setup.o platform.o irq.o setup.o time.o -obj-$(CONFIG_SMP) += smp.o smpboot.o -obj-$(CONFIG_EARLY_PRINTK) += xlr_console.o - -ccflags-y += -Werror +obj-y += setup.o platform.o +obj-$(CONFIG_SMP) += wakeup.o diff --git a/arch/mips/netlogic/xlr/irq.c b/arch/mips/netlogic/xlr/irq.c deleted file mode 100644 index 521bb7377eb0..000000000000 --- a/arch/mips/netlogic/xlr/irq.c +++ /dev/null @@ -1,300 +0,0 @@ -/* - * 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); -} - -#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))); - 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_percpu_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 - -#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 - */ - 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; - } - - /* 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 index 609ec2534642..eab64b45dffd 100644 --- a/arch/mips/netlogic/xlr/platform.c +++ b/arch/mips/netlogic/xlr/platform.c @@ -15,18 +15,19 @@ #include <linux/serial_8250.h> #include <linux/serial_reg.h> +#include <asm/netlogic/haldefs.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; + uint64_t uartbase; 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); + /* sign extend to 64 bits, if needed */ + uartbase = (uint64_t)(long)p->membase; + value = nlm_read_reg(uartbase, offset); /* See XLR/XLS errata */ if (offset == UART_MSR) @@ -39,10 +40,10 @@ unsigned int nlm_xlr_uart_in(struct uart_port *p, int offset) void nlm_xlr_uart_out(struct uart_port *p, int offset, int value) { - nlm_reg_t *mmio; + uint64_t uartbase; - /* XLR uart does not need any mapping of regs */ - mmio = (nlm_reg_t *)(p->membase + (offset << p->regshift)); + /* sign extend to 64 bits, if needed */ + uartbase = (uint64_t)(long)p->membase; /* See XLR/XLS errata */ if (offset == UART_MSR) @@ -50,7 +51,7 @@ void nlm_xlr_uart_out(struct uart_port *p, int offset, int value) else if (offset == UART_MCR) value ^= 0x3; - netlogic_write_reg(mmio, 0, value); + nlm_write_reg(uartbase, offset, value); } #define PORT(_irq) \ @@ -82,15 +83,15 @@ static struct platform_device uart_device = { static int __init nlm_uart_init(void) { - nlm_reg_t *mmio; + unsigned long uartbase; - 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); + uartbase = (unsigned long)nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); + xlr_uart_data[0].membase = (void __iomem *)uartbase; + xlr_uart_data[0].mapbase = CPHYSADDR(uartbase); - 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); + uartbase = (unsigned long)nlm_mmio_base(NETLOGIC_IO_UART_1_OFFSET); + xlr_uart_data[1].membase = (void __iomem *)uartbase; + xlr_uart_data[1].mapbase = CPHYSADDR(uartbase); return platform_device_register(&uart_device); } diff --git a/arch/mips/netlogic/xlr/setup.c b/arch/mips/netlogic/xlr/setup.c index cee25ddd0887..c9d066dedc4e 100644 --- a/arch/mips/netlogic/xlr/setup.c +++ b/arch/mips/netlogic/xlr/setup.c @@ -39,26 +39,33 @@ #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/haldefs.h> +#include <asm/netlogic/common.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; +uint64_t nlm_io_base = DEFAULT_NETLOGIC_IO_BASE; +uint64_t nlm_pic_base; struct psb_info nlm_prom_info; +unsigned long nlm_common_ebase = 0x0; + +/* default to uniprocessor */ +uint32_t nlm_coremask = 1, nlm_cpumask = 1; +int nlm_threads_per_core = 1; + static void __init nlm_early_serial_setup(void) { struct uart_port s; - nlm_reg_t *uart_base; + unsigned long uart_base; - uart_base = netlogic_io_mmio(NETLOGIC_IO_UART_0_OFFSET); + uart_base = (unsigned long)nlm_mmio_base(NETLOGIC_IO_UART_0_OFFSET); memset(&s, 0, sizeof(s)); s.flags = ASYNC_BOOT_AUTOCONF | ASYNC_SKIP_TEST; s.iotype = UPIO_MEM32; @@ -67,18 +74,18 @@ static void __init nlm_early_serial_setup(void) 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.mapbase = uart_base; s.membase = (unsigned char __iomem *)uart_base; early_serial_setup(&s); } static void nlm_linux_exit(void) { - nlm_reg_t *mmio; + uint64_t gpiobase; - mmio = netlogic_io_mmio(NETLOGIC_IO_GPIO_OFFSET); + gpiobase = nlm_mmio_base(NETLOGIC_IO_GPIO_OFFSET); /* trigger a chip reset by writing 1 to GPIO_SWRESET_REG */ - netlogic_write_reg(mmio, NETLOGIC_GPIO_SWRESET_REG, 1); + nlm_write_reg(gpiobase, NETLOGIC_GPIO_SWRESET_REG, 1); for ( ; ; ) cpu_wait(); } @@ -96,6 +103,11 @@ const char *get_system_type(void) return "Netlogic XLR/XLS Series"; } +unsigned int nlm_get_cpu_frequency(void) +{ + return (unsigned int)nlm_prom_info.cpu_frequency; +} + void __init prom_free_prom_memory(void) { /* Nothing yet */ @@ -175,6 +187,7 @@ void __init prom_init(void) prom_infop = (struct psb_info *)(long)(int)fw_arg3; nlm_prom_info = *prom_infop; + nlm_pic_base = nlm_mmio_base(NETLOGIC_IO_PIC_OFFSET); nlm_early_serial_setup(); build_arcs_cmdline(argv); diff --git a/arch/mips/netlogic/xlr/smp.c b/arch/mips/netlogic/xlr/smp.c deleted file mode 100644 index 080284ded508..000000000000 --- a/arch/mips/netlogic/xlr/smp.c +++ /dev/null @@ -1,220 +0,0 @@ -/* - * 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) -{ - scheduler_ipi(); -} - -/* - * 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 - 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++) { - /* - * BSP is not set in nlm_cpu_ready array, it is only for - * ASPs (goto see smpboot.S) - */ - 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 __cpuinit 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 deleted file mode 100644 index 8cb7889ce0cc..000000000000 --- a/arch/mips/netlogic/xlr/smpboot.S +++ /dev/null @@ -1,100 +0,0 @@ -/* - * 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> - -/* - * Early code for secondary CPUs. This will get them out of the bootloader - * code and into linux. Needed because the bootloader area will be taken - * and initialized by linux. - */ - __CPUINIT -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) - __FINIT - -/* - * NMI code, used for CPU wakeup, copied to reset entry - */ -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 deleted file mode 100644 index 0d81b262593c..000000000000 --- a/arch/mips/netlogic/xlr/time.c +++ /dev/null @@ -1,51 +0,0 @@ -/* - * 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/wakeup.c index 759df0692201..db5d987d4881 100644 --- a/arch/mips/netlogic/xlr/xlr_console.c +++ b/arch/mips/netlogic/xlr/wakeup.c @@ -32,15 +32,37 @@ * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ -#include <linux/types.h> +#include <linux/init.h> +#include <linux/threads.h> + +#include <asm/asm.h> +#include <asm/asm-offsets.h> +#include <asm/mipsregs.h> +#include <asm/addrspace.h> +#include <asm/string.h> + +#include <asm/netlogic/haldefs.h> +#include <asm/netlogic/common.h> +#include <asm/netlogic/mips-extns.h> + #include <asm/netlogic/xlr/iomap.h> +#include <asm/netlogic/xlr/pic.h> -void prom_putchar(char c) +int __cpuinit xlr_wakeup_secondary_cpus(void) { - nlm_reg_t *mmio; + unsigned int i, boot_cpu; + + /* + * In case of RMI boot, hit with NMI to get the cores + * from bootloader to linux code. + */ + boot_cpu = hard_smp_processor_id(); + nlm_set_nmi_handler(nlm_rmiboot_preboot); + for (i = 0; i < NR_CPUS; i++) { + if (i == boot_cpu || (nlm_cpumask & (1u << i)) == 0) + continue; + nlm_pic_send_ipi(nlm_pic_base, i, 1, 1); /* send NMI */ + } - mmio = netlogic_io_mmio(NETLOGIC_IO_UART_0_OFFSET); - while (netlogic_read_reg(mmio, 0x5) == 0) - ; - netlogic_write_reg(mmio, 0x0, c); + return 0; } |