diff options
Diffstat (limited to 'arch/mips/pmcs-msp71xx')
| -rw-r--r-- | arch/mips/pmcs-msp71xx/Kconfig | 50 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/Makefile | 13 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/Platform | 7 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_elb.c | 46 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_eth.c | 111 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_hwbutton.c | 165 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_irq.c | 159 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_irq_cic.c | 208 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_irq_per.c | 127 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_irq_slp.c | 102 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_pci.c | 50 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_prom.c | 513 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_serial.c | 154 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_setup.c | 228 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_smp.c | 66 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_time.c | 88 | ||||
| -rw-r--r-- | arch/mips/pmcs-msp71xx/msp_usb.c | 173 |
17 files changed, 0 insertions, 2260 deletions
diff --git a/arch/mips/pmcs-msp71xx/Kconfig b/arch/mips/pmcs-msp71xx/Kconfig deleted file mode 100644 index b185b7620c97..000000000000 --- a/arch/mips/pmcs-msp71xx/Kconfig +++ /dev/null @@ -1,50 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -choice - prompt "PMC-Sierra MSP SOC type" - depends on PMC_MSP - -config PMC_MSP4200_EVAL - bool "PMC-Sierra MSP4200 Eval Board" - select IRQ_MSP_SLP - select HAVE_PCI - select MIPS_L1_CACHE_SHIFT_4 - -config PMC_MSP4200_GW - bool "PMC-Sierra MSP4200 VoIP Gateway" - select IRQ_MSP_SLP - select HAVE_PCI - -config PMC_MSP7120_EVAL - bool "PMC-Sierra MSP7120 Eval Board" - select SYS_SUPPORTS_MULTITHREADING - select IRQ_MSP_CIC - select HAVE_PCI - -config PMC_MSP7120_GW - bool "PMC-Sierra MSP7120 Residential Gateway" - select SYS_SUPPORTS_MULTITHREADING - select IRQ_MSP_CIC - select HAVE_PCI - select MSP_HAS_USB - select MSP_ETH - -config PMC_MSP7120_FPGA - bool "PMC-Sierra MSP7120 FPGA" - select SYS_SUPPORTS_MULTITHREADING - select IRQ_MSP_CIC - select HAVE_PCI - -endchoice - -config MSP_HAS_USB - bool - depends on PMC_MSP - -config MSP_ETH - bool - select MSP_HAS_MAC - depends on PMC_MSP - -config MSP_HAS_MAC - bool - depends on PMC_MSP diff --git a/arch/mips/pmcs-msp71xx/Makefile b/arch/mips/pmcs-msp71xx/Makefile deleted file mode 100644 index c040bd6ed62d..000000000000 --- a/arch/mips/pmcs-msp71xx/Makefile +++ /dev/null @@ -1,13 +0,0 @@ -# SPDX-License-Identifier: GPL-2.0 -# -# Makefile for the PMC-Sierra MSP SOCs -# -obj-y += msp_prom.o msp_setup.o msp_irq.o \ - msp_time.o msp_serial.o msp_elb.o -obj-$(CONFIG_PMC_MSP7120_GW) += msp_hwbutton.o -obj-$(CONFIG_IRQ_MSP_SLP) += msp_irq_slp.o -obj-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o msp_irq_per.o -obj-$(CONFIG_PCI) += msp_pci.o -obj-$(CONFIG_MSP_HAS_MAC) += msp_eth.o -obj-$(CONFIG_MSP_HAS_USB) += msp_usb.o -obj-$(CONFIG_MIPS_MT_SMP) += msp_smp.o diff --git a/arch/mips/pmcs-msp71xx/Platform b/arch/mips/pmcs-msp71xx/Platform deleted file mode 100644 index 7af0734a5007..000000000000 --- a/arch/mips/pmcs-msp71xx/Platform +++ /dev/null @@ -1,7 +0,0 @@ -# -# PMC-Sierra MSP SOCs -# -platform-$(CONFIG_PMC_MSP) += pmcs-msp71xx/ -cflags-$(CONFIG_PMC_MSP) += -I$(srctree)/arch/mips/include/asm/mach-pmcs-msp71xx \ - -mno-branch-likely -load-$(CONFIG_PMC_MSP) += 0xffffffff80100000 diff --git a/arch/mips/pmcs-msp71xx/msp_elb.c b/arch/mips/pmcs-msp71xx/msp_elb.c deleted file mode 100644 index 3e9641007216..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_elb.c +++ /dev/null @@ -1,46 +0,0 @@ -/* - * Sets up the proper Chip Select configuration registers. It is assumed that - * PMON sets up the ADDR and MASK registers properly. - * - * Copyright 2005-2006 PMC-Sierra, Inc. - * Author: Marc St-Jean, Marc_St-Jean@pmc-sierra.com - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <msp_regs.h> - -static int __init msp_elb_setup(void) -{ -#if defined(CONFIG_PMC_MSP7120_GW) \ - || defined(CONFIG_PMC_MSP7120_EVAL) - /* - * Force all CNFG to be identical and equal to CS0, - * according to OPS doc - */ - *CS1_CNFG_REG = *CS2_CNFG_REG = *CS3_CNFG_REG = *CS0_CNFG_REG; -#endif - return 0; -} - -subsys_initcall(msp_elb_setup); diff --git a/arch/mips/pmcs-msp71xx/msp_eth.c b/arch/mips/pmcs-msp71xx/msp_eth.c deleted file mode 100644 index 15679b427f44..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_eth.c +++ /dev/null @@ -1,111 +0,0 @@ -/* - * The setup file for ethernet related hardware on PMC-Sierra MSP processors. - * - * Copyright 2010 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> -#include <linux/kernel.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> -#include <linux/delay.h> -#include <msp_regs.h> -#include <msp_int.h> -#include <msp_gpio_macros.h> - - -#define MSP_ETHERNET_GPIO0 14 -#define MSP_ETHERNET_GPIO1 15 -#define MSP_ETHERNET_GPIO2 16 - -#define MSP_ETH_ID "pmc_mspeth" -#define MSP_ETH_SIZE 0xE0 -static struct resource msp_eth0_resources[] = { - [0] = { - .start = MSP_MAC0_BASE, - .end = MSP_MAC0_BASE + MSP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_MAC0, - .end = MSP_INT_MAC0, - .flags = IORESOURCE_IRQ, - }, -}; - -static struct resource msp_eth1_resources[] = { - [0] = { - .start = MSP_MAC1_BASE, - .end = MSP_MAC1_BASE + MSP_ETH_SIZE - 1, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_MAC1, - .end = MSP_INT_MAC1, - .flags = IORESOURCE_IRQ, - }, -}; - - - -static struct platform_device mspeth_device[] = { - [0] = { - .name = MSP_ETH_ID, - .id = 0, - .num_resources = ARRAY_SIZE(msp_eth0_resources), - .resource = msp_eth0_resources, - }, - [1] = { - .name = MSP_ETH_ID, - .id = 1, - .num_resources = ARRAY_SIZE(msp_eth1_resources), - .resource = msp_eth1_resources, - }, - -}; -#define msp_eth_devs mspeth_device - -int __init msp_eth_setup(void) -{ - int i, ret = 0; - - /* Configure the GPIO and take the ethernet PHY out of reset */ - msp_gpio_pin_mode(MSP_GPIO_OUTPUT, MSP_ETHERNET_GPIO0); - msp_gpio_pin_hi(MSP_ETHERNET_GPIO0); - - for (i = 0; i < ARRAY_SIZE(msp_eth_devs); i++) { - ret = platform_device_register(&msp_eth_devs[i]); - printk(KERN_INFO "device: %d, return value = %d\n", i, ret); - if (ret) { - platform_device_unregister(&msp_eth_devs[i]); - break; - } - } - - if (ret) - printk(KERN_WARNING "Could not initialize " - "MSPETH device structures.\n"); - - return ret; -} -subsys_initcall(msp_eth_setup); diff --git a/arch/mips/pmcs-msp71xx/msp_hwbutton.c b/arch/mips/pmcs-msp71xx/msp_hwbutton.c deleted file mode 100644 index bb57ed9ea2bd..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_hwbutton.c +++ /dev/null @@ -1,165 +0,0 @@ -/* - * Sets up interrupt handlers for various hardware switches which are - * connected to interrupt lines. - * - * Copyright 2005-2207 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/interrupt.h> - -#include <msp_int.h> -#include <msp_regs.h> -#include <msp_regops.h> - -/* For hwbutton_interrupt->initial_state */ -#define HWBUTTON_HI 0x1 -#define HWBUTTON_LO 0x2 - -/* - * This struct describes a hardware button - */ -struct hwbutton_interrupt { - char *name; /* Name of button */ - int irq; /* Actual LINUX IRQ */ - int eirq; /* Extended IRQ number (0-7) */ - int initial_state; /* The "normal" state of the switch */ - void (*handle_hi)(void *); /* Handler: switch input has gone HI */ - void (*handle_lo)(void *); /* Handler: switch input has gone LO */ - void *data; /* Optional data to pass to handler */ -}; - -#ifdef CONFIG_PMC_MSP7120_GW -extern void msp_restart(char *); - -static void softreset_push(void *data) -{ - printk(KERN_WARNING "SOFTRESET switch was pushed\n"); - - /* - * In the future you could move this to the release handler, - * timing the difference between the 'push' and 'release', and only - * doing this ungraceful restart if the button has been down for - * a certain amount of time; otherwise doing a graceful restart. - */ - - msp_restart(NULL); -} - -static void softreset_release(void *data) -{ - printk(KERN_WARNING "SOFTRESET switch was released\n"); - - /* Do nothing */ -} - -static void standby_on(void *data) -{ - printk(KERN_WARNING "STANDBY switch was set to ON (not implemented)\n"); - - /* TODO: Put board in standby mode */ -} - -static void standby_off(void *data) -{ - printk(KERN_WARNING - "STANDBY switch was set to OFF (not implemented)\n"); - - /* TODO: Take out of standby mode */ -} - -static struct hwbutton_interrupt softreset_sw = { - .name = "Softreset button", - .irq = MSP_INT_EXT0, - .eirq = 0, - .initial_state = HWBUTTON_HI, - .handle_hi = softreset_release, - .handle_lo = softreset_push, - .data = NULL, -}; - -static struct hwbutton_interrupt standby_sw = { - .name = "Standby switch", - .irq = MSP_INT_EXT1, - .eirq = 1, - .initial_state = HWBUTTON_HI, - .handle_hi = standby_off, - .handle_lo = standby_on, - .data = NULL, -}; -#endif /* CONFIG_PMC_MSP7120_GW */ - -static irqreturn_t hwbutton_handler(int irq, void *data) -{ - struct hwbutton_interrupt *hirq = data; - unsigned long cic_ext = *CIC_EXT_CFG_REG; - - if (CIC_EXT_IS_ACTIVE_HI(cic_ext, hirq->eirq)) { - /* Interrupt: pin is now HI */ - CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq); - hirq->handle_hi(hirq->data); - } else { - /* Interrupt: pin is now LO */ - CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq); - hirq->handle_lo(hirq->data); - } - - /* - * Invert the POLARITY of this level interrupt to ack the interrupt - * Thus next state change will invoke the opposite message - */ - *CIC_EXT_CFG_REG = cic_ext; - - return IRQ_HANDLED; -} - -static int msp_hwbutton_register(struct hwbutton_interrupt *hirq) -{ - unsigned long cic_ext; - - if (hirq->handle_hi == NULL || hirq->handle_lo == NULL) - return -EINVAL; - - cic_ext = *CIC_EXT_CFG_REG; - CIC_EXT_SET_TRIGGER_LEVEL(cic_ext, hirq->eirq); - if (hirq->initial_state == HWBUTTON_HI) - CIC_EXT_SET_ACTIVE_LO(cic_ext, hirq->eirq); - else - CIC_EXT_SET_ACTIVE_HI(cic_ext, hirq->eirq); - *CIC_EXT_CFG_REG = cic_ext; - - return request_irq(hirq->irq, hwbutton_handler, 0, - hirq->name, hirq); -} - -static int __init msp_hwbutton_setup(void) -{ -#ifdef CONFIG_PMC_MSP7120_GW - msp_hwbutton_register(&softreset_sw); - msp_hwbutton_register(&standby_sw); -#endif - return 0; -} - -subsys_initcall(msp_hwbutton_setup); diff --git a/arch/mips/pmcs-msp71xx/msp_irq.c b/arch/mips/pmcs-msp71xx/msp_irq.c deleted file mode 100644 index 8d53d7a2ed45..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_irq.c +++ /dev/null @@ -1,159 +0,0 @@ -/* - * IRQ vector handles - * - * Copyright (C) 1995, 1996, 1997, 2003 by Ralf Baechle - * - * 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/kernel.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/interrupt.h> -#include <linux/ptrace.h> -#include <linux/time.h> - -#include <asm/irq_cpu.h> -#include <asm/setup.h> - -#include <msp_int.h> - -/* SLP bases systems */ -extern void msp_slp_irq_init(void); -extern void msp_slp_irq_dispatch(void); - -/* CIC based systems */ -extern void msp_cic_irq_init(void); -extern void msp_cic_irq_dispatch(void); - -/* VSMP support init */ -extern void msp_vsmp_int_init(void); - -/* vectored interrupt implementation */ - -/* SW0/1 interrupts are used for SMP */ -static inline void mac0_int_dispatch(void) { do_IRQ(MSP_INT_MAC0); } -static inline void mac1_int_dispatch(void) { do_IRQ(MSP_INT_MAC1); } -static inline void mac2_int_dispatch(void) { do_IRQ(MSP_INT_SAR); } -static inline void usb_int_dispatch(void) { do_IRQ(MSP_INT_USB); } -static inline void sec_int_dispatch(void) { do_IRQ(MSP_INT_SEC); } - -/* - * The PMC-Sierra MSP interrupts are arranged in a 3 level cascaded - * hierarchical system. The first level are the direct MIPS interrupts - * and are assigned the interrupt range 0-7. The second level is the SLM - * interrupt controller and is assigned the range 8-39. The third level - * comprises the Peripherial block, the PCI block, the PCI MSI block and - * the SLP. The PCI interrupts and the SLP errors are handled by the - * relevant subsystems so the core interrupt code needs only concern - * itself with the Peripheral block. These are assigned interrupts in - * the range 40-71. - */ - -asmlinkage void plat_irq_dispatch(void) -{ - u32 pending; - - pending = read_c0_status() & read_c0_cause(); - - /* - * jump to the correct interrupt routine - * These are arranged in priority order and the timer - * comes first! - */ - -#ifdef CONFIG_IRQ_MSP_CIC /* break out the CIC stuff for now */ - if (pending & C_IRQ4) /* do the peripherals first, that's the timer */ - msp_cic_irq_dispatch(); - - else if (pending & C_IRQ0) - do_IRQ(MSP_INT_MAC0); - - else if (pending & C_IRQ1) - do_IRQ(MSP_INT_MAC1); - - else if (pending & C_IRQ2) - do_IRQ(MSP_INT_USB); - - else if (pending & C_IRQ3) - do_IRQ(MSP_INT_SAR); - - else if (pending & C_IRQ5) - do_IRQ(MSP_INT_SEC); - -#else - if (pending & C_IRQ5) - do_IRQ(MSP_INT_TIMER); - - else if (pending & C_IRQ0) - do_IRQ(MSP_INT_MAC0); - - else if (pending & C_IRQ1) - do_IRQ(MSP_INT_MAC1); - - else if (pending & C_IRQ3) - do_IRQ(MSP_INT_VE); - - else if (pending & C_IRQ4) - msp_slp_irq_dispatch(); -#endif - - else if (pending & C_SW0) /* do software after hardware */ - do_IRQ(MSP_INT_SW0); - - else if (pending & C_SW1) - do_IRQ(MSP_INT_SW1); -} - -static struct irqaction cic_cascade_msp = { - .handler = no_action, - .name = "MSP CIC cascade", - .flags = IRQF_NO_THREAD, -}; - -static struct irqaction per_cascade_msp = { - .handler = no_action, - .name = "MSP PER cascade", - .flags = IRQF_NO_THREAD, -}; - -void __init arch_init_irq(void) -{ - /* assume we'll be using vectored interrupt mode except in UP mode*/ -#ifdef CONFIG_MIPS_MT - BUG_ON(!cpu_has_vint); -#endif - /* initialize the 1st-level CPU based interrupt controller */ - mips_cpu_irq_init(); - -#ifdef CONFIG_IRQ_MSP_CIC - msp_cic_irq_init(); -#ifdef CONFIG_MIPS_MT - set_vi_handler(MSP_INT_CIC, msp_cic_irq_dispatch); - set_vi_handler(MSP_INT_MAC0, mac0_int_dispatch); - set_vi_handler(MSP_INT_MAC1, mac1_int_dispatch); - set_vi_handler(MSP_INT_SAR, mac2_int_dispatch); - set_vi_handler(MSP_INT_USB, usb_int_dispatch); - set_vi_handler(MSP_INT_SEC, sec_int_dispatch); -#ifdef CONFIG_MIPS_MT_SMP - msp_vsmp_int_init(); -#endif /* CONFIG_MIPS_MT_SMP */ -#endif /* CONFIG_MIPS_MT */ - /* setup the cascaded interrupts */ - setup_irq(MSP_INT_CIC, &cic_cascade_msp); - setup_irq(MSP_INT_PER, &per_cascade_msp); - -#else - /* - * Setup the 2nd-level SLP register based interrupt controller. - * VSMP support support is not enabled for SLP. - */ - msp_slp_irq_init(); - - /* setup the cascaded SLP/PER interrupts */ - setup_irq(MSP_INT_SLP, &cic_cascade_msp); - setup_irq(MSP_INT_PER, &per_cascade_msp); -#endif -} diff --git a/arch/mips/pmcs-msp71xx/msp_irq_cic.c b/arch/mips/pmcs-msp71xx/msp_irq_cic.c deleted file mode 100644 index 0706010cc99f..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_irq_cic.c +++ /dev/null @@ -1,208 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c - * - * This file define the irq handler for MSP CIC subsystem interrupts. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/bitops.h> -#include <linux/irq.h> - -#include <asm/mipsregs.h> - -#include <msp_cic_int.h> -#include <msp_regs.h> - -/* - * External API - */ -extern void msp_per_irq_init(void); -extern void msp_per_irq_dispatch(void); - - -/* - * Convenience Macro. Should be somewhere generic. - */ -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -#ifdef CONFIG_SMP - -#define LOCK_VPE(flags, mtflags) \ -do { \ - local_irq_save(flags); \ - mtflags = dmt(); \ -} while (0) - -#define UNLOCK_VPE(flags, mtflags) \ -do { \ - emt(mtflags); \ - local_irq_restore(flags);\ -} while (0) - -#define LOCK_CORE(flags, mtflags) \ -do { \ - local_irq_save(flags); \ - mtflags = dvpe(); \ -} while (0) - -#define UNLOCK_CORE(flags, mtflags) \ -do { \ - evpe(mtflags); \ - local_irq_restore(flags);\ -} while (0) - -#else - -#define LOCK_VPE(flags, mtflags) -#define UNLOCK_VPE(flags, mtflags) -#endif - -/* ensure writes to cic are completed */ -static inline void cic_wmb(void) -{ - const volatile void __iomem *cic_mem = CIC_VPE0_MSK_REG; - volatile u32 dummy_read; - - wmb(); - dummy_read = __raw_readl(cic_mem); - dummy_read++; -} - -static void unmask_cic_irq(struct irq_data *d) -{ - volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG; - int vpe; -#ifdef CONFIG_SMP - unsigned int mtflags; - unsigned long flags; - - /* - * Make sure we have IRQ affinity. It may have changed while - * we were processing the IRQ. - */ - if (!cpumask_test_cpu(smp_processor_id(), - irq_data_get_affinity_mask(d))) - return; -#endif - - vpe = get_current_vpe(); - LOCK_VPE(flags, mtflags); - cic_msk_reg[vpe] |= (1 << (d->irq - MSP_CIC_INTBASE)); - UNLOCK_VPE(flags, mtflags); - cic_wmb(); -} - -static void mask_cic_irq(struct irq_data *d) -{ - volatile u32 *cic_msk_reg = CIC_VPE0_MSK_REG; - int vpe = get_current_vpe(); -#ifdef CONFIG_SMP - unsigned long flags, mtflags; -#endif - LOCK_VPE(flags, mtflags); - cic_msk_reg[vpe] &= ~(1 << (d->irq - MSP_CIC_INTBASE)); - UNLOCK_VPE(flags, mtflags); - cic_wmb(); -} -static void msp_cic_irq_ack(struct irq_data *d) -{ - mask_cic_irq(d); - /* - * Only really necessary for 18, 16-14 and sometimes 3:0 - * (since these can be edge sensitive) but it doesn't - * hurt for the others - */ - *CIC_STS_REG = (1 << (d->irq - MSP_CIC_INTBASE)); -} - -/* Note: Limiting to VSMP. */ - -#ifdef CONFIG_MIPS_MT_SMP -static int msp_cic_irq_set_affinity(struct irq_data *d, - const struct cpumask *cpumask, bool force) -{ - int cpu; - unsigned long flags; - unsigned int mtflags; - unsigned long imask = (1 << (d->irq - MSP_CIC_INTBASE)); - volatile u32 *cic_mask = (volatile u32 *)CIC_VPE0_MSK_REG; - - /* timer balancing should be disabled in kernel code */ - BUG_ON(d->irq == MSP_INT_VPE0_TIMER || d->irq == MSP_INT_VPE1_TIMER); - - LOCK_CORE(flags, mtflags); - /* enable if any of each VPE's TCs require this IRQ */ - for_each_online_cpu(cpu) { - if (cpumask_test_cpu(cpu, cpumask)) - cic_mask[cpu] |= imask; - else - cic_mask[cpu] &= ~imask; - - } - - UNLOCK_CORE(flags, mtflags); - return 0; - -} -#endif - -static struct irq_chip msp_cic_irq_controller = { - .name = "MSP_CIC", - .irq_mask = mask_cic_irq, - .irq_mask_ack = msp_cic_irq_ack, - .irq_unmask = unmask_cic_irq, - .irq_ack = msp_cic_irq_ack, -#ifdef CONFIG_MIPS_MT_SMP - .irq_set_affinity = msp_cic_irq_set_affinity, -#endif -}; - -void __init msp_cic_irq_init(void) -{ - int i; - /* Mask/clear interrupts. */ - *CIC_VPE0_MSK_REG = 0x00000000; - *CIC_VPE1_MSK_REG = 0x00000000; - *CIC_STS_REG = 0xFFFFFFFF; - /* - * The MSP7120 RG and EVBD boards use IRQ[6:4] for PCI. - * These inputs map to EXT_INT_POL[6:4] inside the CIC. - * They are to be active low, level sensitive. - */ - *CIC_EXT_CFG_REG &= 0xFFFF8F8F; - - /* initialize all the IRQ descriptors */ - for (i = MSP_CIC_INTBASE ; i < MSP_CIC_INTBASE + 32 ; i++) { - irq_set_chip_and_handler(i, &msp_cic_irq_controller, - handle_level_irq); - } - - /* Initialize the PER interrupt sub-system */ - msp_per_irq_init(); -} - -/* CIC masked by CIC vector processing before dispatch called */ -void msp_cic_irq_dispatch(void) -{ - volatile u32 *cic_msk_reg = (volatile u32 *)CIC_VPE0_MSK_REG; - u32 cic_mask; - u32 pending; - int cic_status = *CIC_STS_REG; - cic_mask = cic_msk_reg[get_current_vpe()]; - pending = cic_status & cic_mask; - if (pending & (1 << (MSP_INT_VPE0_TIMER - MSP_CIC_INTBASE))) { - do_IRQ(MSP_INT_VPE0_TIMER); - } else if (pending & (1 << (MSP_INT_VPE1_TIMER - MSP_CIC_INTBASE))) { - do_IRQ(MSP_INT_VPE1_TIMER); - } else if (pending & (1 << (MSP_INT_PER - MSP_CIC_INTBASE))) { - msp_per_irq_dispatch(); - } else if (pending) { - do_IRQ(ffs(pending) + MSP_CIC_INTBASE - 1); - } else{ - spurious_interrupt(); - } -} diff --git a/arch/mips/pmcs-msp71xx/msp_irq_per.c b/arch/mips/pmcs-msp71xx/msp_irq_per.c deleted file mode 100644 index b284412b2923..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_irq_per.c +++ /dev/null @@ -1,127 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * Copyright 2010 PMC-Sierra, Inc, derived from irq_cpu.c - * - * This file define the irq handler for MSP PER subsystem interrupts. - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/spinlock.h> -#include <linux/bitops.h> - -#include <asm/mipsregs.h> - -#include <msp_cic_int.h> -#include <msp_regs.h> - - -/* - * Convenience Macro. Should be somewhere generic. - */ -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -#ifdef CONFIG_SMP -/* - * The PER registers must be protected from concurrent access. - */ - -static DEFINE_SPINLOCK(per_lock); -#endif - -/* ensure writes to per are completed */ - -static inline void per_wmb(void) -{ - const volatile void __iomem *per_mem = PER_INT_MSK_REG; - volatile u32 dummy_read; - - wmb(); - dummy_read = __raw_readl(per_mem); - dummy_read++; -} - -static inline void unmask_per_irq(struct irq_data *d) -{ -#ifdef CONFIG_SMP - unsigned long flags; - spin_lock_irqsave(&per_lock, flags); - *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE)); - spin_unlock_irqrestore(&per_lock, flags); -#else - *PER_INT_MSK_REG |= (1 << (d->irq - MSP_PER_INTBASE)); -#endif - per_wmb(); -} - -static inline void mask_per_irq(struct irq_data *d) -{ -#ifdef CONFIG_SMP - unsigned long flags; - spin_lock_irqsave(&per_lock, flags); - *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE)); - spin_unlock_irqrestore(&per_lock, flags); -#else - *PER_INT_MSK_REG &= ~(1 << (d->irq - MSP_PER_INTBASE)); -#endif - per_wmb(); -} - -static inline void msp_per_irq_ack(struct irq_data *d) -{ - mask_per_irq(d); - /* - * In the PER interrupt controller, only bits 11 and 10 - * are write-to-clear, (SPI TX complete, SPI RX complete). - * It does nothing for any others. - */ - *PER_INT_STS_REG = (1 << (d->irq - MSP_PER_INTBASE)); -} - -#ifdef CONFIG_SMP -static int msp_per_irq_set_affinity(struct irq_data *d, - const struct cpumask *affinity, bool force) -{ - /* WTF is this doing ????? */ - unmask_per_irq(d); - return 0; -} -#endif - -static struct irq_chip msp_per_irq_controller = { - .name = "MSP_PER", - .irq_enable = unmask_per_irq, - .irq_disable = mask_per_irq, - .irq_ack = msp_per_irq_ack, -#ifdef CONFIG_SMP - .irq_set_affinity = msp_per_irq_set_affinity, -#endif -}; - -void __init msp_per_irq_init(void) -{ - int i; - /* Mask/clear interrupts. */ - *PER_INT_MSK_REG = 0x00000000; - *PER_INT_STS_REG = 0xFFFFFFFF; - /* initialize all the IRQ descriptors */ - for (i = MSP_PER_INTBASE; i < MSP_PER_INTBASE + 32; i++) { - irq_set_chip(i, &msp_per_irq_controller); - } -} - -void msp_per_irq_dispatch(void) -{ - u32 per_mask = *PER_INT_MSK_REG; - u32 per_status = *PER_INT_STS_REG; - u32 pending; - - pending = per_status & per_mask; - if (pending) { - do_IRQ(ffs(pending) + MSP_PER_INTBASE - 1); - } else { - spurious_interrupt(); - } -} diff --git a/arch/mips/pmcs-msp71xx/msp_irq_slp.c b/arch/mips/pmcs-msp71xx/msp_irq_slp.c deleted file mode 100644 index 097a5fd3b06b..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_irq_slp.c +++ /dev/null @@ -1,102 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * This file define the irq handler for MSP SLM subsystem interrupts. - * - * Copyright 2005-2006 PMC-Sierra, Inc, derived from irq_cpu.c - * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com - */ - -#include <linux/init.h> -#include <linux/interrupt.h> -#include <linux/kernel.h> -#include <linux/bitops.h> - -#include <asm/mipsregs.h> - -#include <msp_slp_int.h> -#include <msp_regs.h> - -static inline void unmask_msp_slp_irq(struct irq_data *d) -{ - unsigned int irq = d->irq; - - /* check for PER interrupt range */ - if (irq < MSP_PER_INTBASE) - *SLP_INT_MSK_REG |= (1 << (irq - MSP_SLP_INTBASE)); - else - *PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE)); -} - -static inline void mask_msp_slp_irq(struct irq_data *d) -{ - unsigned int irq = d->irq; - - /* check for PER interrupt range */ - if (irq < MSP_PER_INTBASE) - *SLP_INT_MSK_REG &= ~(1 << (irq - MSP_SLP_INTBASE)); - else - *PER_INT_MSK_REG &= ~(1 << (irq - MSP_PER_INTBASE)); -} - -/* - * While we ack the interrupt interrupts are disabled and thus we don't need - * to deal with concurrency issues. Same for msp_slp_irq_end. - */ -static inline void ack_msp_slp_irq(struct irq_data *d) -{ - unsigned int irq = d->irq; - - /* check for PER interrupt range */ - if (irq < MSP_PER_INTBASE) - *SLP_INT_STS_REG = (1 << (irq - MSP_SLP_INTBASE)); - else - *PER_INT_STS_REG = (1 << (irq - MSP_PER_INTBASE)); -} - -static struct irq_chip msp_slp_irq_controller = { - .name = "MSP_SLP", - .irq_ack = ack_msp_slp_irq, - .irq_mask = mask_msp_slp_irq, - .irq_unmask = unmask_msp_slp_irq, -}; - -void __init msp_slp_irq_init(void) -{ - int i; - - /* Mask/clear interrupts. */ - *SLP_INT_MSK_REG = 0x00000000; - *PER_INT_MSK_REG = 0x00000000; - *SLP_INT_STS_REG = 0xFFFFFFFF; - *PER_INT_STS_REG = 0xFFFFFFFF; - - /* initialize all the IRQ descriptors */ - for (i = MSP_SLP_INTBASE; i < MSP_PER_INTBASE + 32; i++) - irq_set_chip_and_handler(i, &msp_slp_irq_controller, - handle_level_irq); -} - -void msp_slp_irq_dispatch(void) -{ - u32 pending; - int intbase; - - intbase = MSP_SLP_INTBASE; - pending = *SLP_INT_STS_REG & *SLP_INT_MSK_REG; - - /* check for PER interrupt */ - if (pending == (1 << (MSP_INT_PER - MSP_SLP_INTBASE))) { - intbase = MSP_PER_INTBASE; - pending = *PER_INT_STS_REG & *PER_INT_MSK_REG; - } - - /* check for spurious interrupt */ - if (pending == 0x00000000) { - printk(KERN_ERR "Spurious %s interrupt?\n", - (intbase == MSP_SLP_INTBASE) ? "SLP" : "PER"); - return; - } - - /* dispatch the irq */ - do_IRQ(ffs(pending) + intbase - 1); -} diff --git a/arch/mips/pmcs-msp71xx/msp_pci.c b/arch/mips/pmcs-msp71xx/msp_pci.c deleted file mode 100644 index 428dea23c35c..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_pci.c +++ /dev/null @@ -1,50 +0,0 @@ -/* - * The setup file for PCI related hardware on PMC-Sierra MSP processors. - * - * Copyright 2005-2006 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/init.h> - -#include <msp_prom.h> -#include <msp_regs.h> - -extern void msp_pci_init(void); - -static int __init msp_pci_setup(void) -{ -#if 0 /* Linux 2.6 initialization code to be completed */ - if (getdeviceid() & DEV_ID_SINGLE_PC) { - /* If single card mode */ - slmRegs *sreg = (slmRegs *) SREG_BASE; - - sreg->single_pc_enable = SINGLE_PCCARD; - } -#endif - - msp_pci_init(); - - return 0; -} - -subsys_initcall(msp_pci_setup); diff --git a/arch/mips/pmcs-msp71xx/msp_prom.c b/arch/mips/pmcs-msp71xx/msp_prom.c deleted file mode 100644 index 800a21b8b8b0..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_prom.c +++ /dev/null @@ -1,513 +0,0 @@ -/* - * BRIEF MODULE DESCRIPTION - * PROM library initialisation code, assuming a version of - * pmon is the boot code. - * - * Copyright 2000,2001 MontaVista Software Inc. - * Author: MontaVista Software, Inc. - * ppopov@mvista.com or source@mvista.com - * - * This file was derived from Carsten Langgaard's - * arch/mips/mips-boards/xx files. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/export.h> -#include <linux/kernel.h> -#include <linux/init.h> -#include <linux/string.h> -#include <linux/interrupt.h> -#include <linux/mm.h> -#include <linux/slab.h> - -#include <asm/addrspace.h> -#include <asm/bootinfo.h> -#include <asm-generic/sections.h> -#include <asm/page.h> - -#include <msp_prom.h> -#include <msp_regs.h> - -/* global PROM environment variables and pointers */ -int prom_argc; -char **prom_argv, **prom_envp; -int *prom_vec; - -/* debug flag */ -int init_debug = 1; - -/* memory blocks */ -struct prom_pmemblock mdesc[PROM_MAX_PMEMBLOCKS]; - -#define MAX_PROM_MEM 5 -static phys_addr_t prom_mem_base[MAX_PROM_MEM] __initdata; -static phys_addr_t prom_mem_size[MAX_PROM_MEM] __initdata; -static unsigned int nr_prom_mem __initdata; - -/* default feature sets */ -static char msp_default_features[] = -#if defined(CONFIG_PMC_MSP4200_EVAL) \ - || defined(CONFIG_PMC_MSP4200_GW) - "ERER"; -#elif defined(CONFIG_PMC_MSP7120_EVAL) \ - || defined(CONFIG_PMC_MSP7120_GW) - "EMEMSP"; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - "EMEM"; -#endif - -/* conversion functions */ -static inline unsigned char str2hexnum(unsigned char c) -{ - if (c >= '0' && c <= '9') - return c - '0'; - if (c >= 'a' && c <= 'f') - return c - 'a' + 10; - return 0; /* foo */ -} - -int str2eaddr(unsigned char *ea, unsigned char *str) -{ - int index = 0; - unsigned char num = 0; - - while (*str != '\0') { - if ((*str == '.') || (*str == ':')) { - ea[index++] = num; - num = 0; - str++; - } else { - num = num << 4; - num |= str2hexnum(*str++); - } - } - - if (index == 5) { - ea[index++] = num; - return 0; - } else - return -1; -} -EXPORT_SYMBOL(str2eaddr); - -static inline unsigned long str2hex(unsigned char *str) -{ - int value = 0; - - while (*str) { - value = value << 4; - value |= str2hexnum(*str++); - } - - return value; -} - -/* function to query the system information */ -const char *get_system_type(void) -{ -#if defined(CONFIG_PMC_MSP4200_EVAL) - return "PMC-Sierra MSP4200 Eval Board"; -#elif defined(CONFIG_PMC_MSP4200_GW) - return "PMC-Sierra MSP4200 VoIP Gateway"; -#elif defined(CONFIG_PMC_MSP7120_EVAL) - return "PMC-Sierra MSP7120 Eval Board"; -#elif defined(CONFIG_PMC_MSP7120_GW) - return "PMC-Sierra MSP7120 Residential Gateway"; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - return "PMC-Sierra MSP7120 FPGA"; -#else - #error "What is the type of *your* MSP?" -#endif -} - -int get_ethernet_addr(char *ethaddr_name, char *ethernet_addr) -{ - char *ethaddr_str; - - ethaddr_str = prom_getenv(ethaddr_name); - if (!ethaddr_str) { - printk(KERN_WARNING "%s not set in boot prom\n", ethaddr_name); - return -1; - } - - if (str2eaddr(ethernet_addr, ethaddr_str) == -1) { - printk(KERN_WARNING "%s badly formatted-<%s>\n", - ethaddr_name, ethaddr_str); - return -1; - } - - if (init_debug > 1) { - int i; - printk(KERN_DEBUG "get_ethernet_addr: for %s ", ethaddr_name); - for (i = 0; i < 5; i++) - printk(KERN_DEBUG "%02x:", - (unsigned char)*(ethernet_addr+i)); - printk(KERN_DEBUG "%02x\n", *(ethernet_addr+i)); - } - - return 0; -} -EXPORT_SYMBOL(get_ethernet_addr); - -static char *get_features(void) -{ - char *feature = prom_getenv(FEATURES); - - if (feature == NULL) { - /* default features based on MACHINE_TYPE */ - feature = msp_default_features; - } - - return feature; -} - -static char test_feature(char c) -{ - char *feature = get_features(); - - while (*feature) { - if (*feature++ == c) - return *feature; - feature++; - } - - return FEATURE_NOEXIST; -} - -unsigned long get_deviceid(void) -{ - char *deviceid = prom_getenv(DEVICEID); - - if (deviceid == NULL) - return *DEV_ID_REG; - else - return str2hex(deviceid); -} - -char identify_pci(void) -{ - return test_feature(PCI_KEY); -} -EXPORT_SYMBOL(identify_pci); - -char identify_pcimux(void) -{ - return test_feature(PCIMUX_KEY); -} - -char identify_sec(void) -{ - return test_feature(SEC_KEY); -} -EXPORT_SYMBOL(identify_sec); - -char identify_spad(void) -{ - return test_feature(SPAD_KEY); -} -EXPORT_SYMBOL(identify_spad); - -char identify_tdm(void) -{ - return test_feature(TDM_KEY); -} -EXPORT_SYMBOL(identify_tdm); - -char identify_zsp(void) -{ - return test_feature(ZSP_KEY); -} -EXPORT_SYMBOL(identify_zsp); - -static char identify_enetfeature(char key, unsigned long interface_num) -{ - char *feature = get_features(); - - while (*feature) { - if (*feature++ == key && interface_num-- == 0) - return *feature; - feature++; - } - - return FEATURE_NOEXIST; -} - -char identify_enet(unsigned long interface_num) -{ - return identify_enetfeature(ENET_KEY, interface_num); -} -EXPORT_SYMBOL(identify_enet); - -char identify_enetTxD(unsigned long interface_num) -{ - return identify_enetfeature(ENETTXD_KEY, interface_num); -} -EXPORT_SYMBOL(identify_enetTxD); - -unsigned long identify_family(void) -{ - unsigned long deviceid; - - deviceid = get_deviceid(); - - return deviceid & CPU_DEVID_FAMILY; -} -EXPORT_SYMBOL(identify_family); - -unsigned long identify_revision(void) -{ - unsigned long deviceid; - - deviceid = get_deviceid(); - - return deviceid & CPU_DEVID_REVISION; -} -EXPORT_SYMBOL(identify_revision); - -/* PROM environment functions */ -char *prom_getenv(char *env_name) -{ - /* - * Return a pointer to the given environment variable. prom_envp - * points to a null terminated array of pointers to variables. - * Environment variables are stored in the form of "memsize=64" - */ - - char **var = prom_envp; - int i = strlen(env_name); - - while (*var) { - if (strncmp(env_name, *var, i) == 0) { - return *var + strlen(env_name) + 1; - } - var++; - } - - return NULL; -} - -/* PROM commandline functions */ -void __init prom_init_cmdline(void) -{ - char *cp; - int actr; - - actr = 1; /* Always ignore argv[0] */ - - cp = &(arcs_cmdline[0]); - while (actr < prom_argc) { - strcpy(cp, prom_argv[actr]); - cp += strlen(prom_argv[actr]); - *cp++ = ' '; - actr++; - } - if (cp != &(arcs_cmdline[0])) /* get rid of trailing space */ - --cp; - *cp = '\0'; -} - -/* memory allocation functions */ -static int __init prom_memtype_classify(unsigned int type) -{ - switch (type) { - case yamon_free: - return BOOT_MEM_RAM; - case yamon_prom: - return BOOT_MEM_ROM_DATA; - default: - return BOOT_MEM_RESERVED; - } -} - -void __init prom_meminit(void) -{ - struct prom_pmemblock *p; - - p = prom_getmdesc(); - - while (p->size) { - long type; - unsigned long base, size; - - type = prom_memtype_classify(p->type); - base = p->base; - size = p->size; - - add_memory_region(base, size, type); - p++; - - if (type == BOOT_MEM_ROM_DATA) { - if (nr_prom_mem >= MAX_PROM_MEM) { - pr_err("Too many ROM DATA regions"); - continue; - } - prom_mem_base[nr_prom_mem] = base; - prom_mem_size[nr_prom_mem] = size; - nr_prom_mem++; - } - } -} - -void __init prom_free_prom_memory(void) -{ - int argc; - char **argv; - char **envp; - char *ptr; - int len = 0; - int i; - - /* - * preserve environment variables and command line from pmon/bbload - * first preserve the command line - */ - for (argc = 0; argc < prom_argc; argc++) { - len += sizeof(char *); /* length of pointer */ - len += strlen(prom_argv[argc]) + 1; /* length of string */ - } - len += sizeof(char *); /* plus length of null pointer */ - - argv = kmalloc(len, GFP_KERNEL); - ptr = (char *) &argv[prom_argc + 1]; /* strings follow array */ - - for (argc = 0; argc < prom_argc; argc++) { - argv[argc] = ptr; - strcpy(ptr, prom_argv[argc]); - ptr += strlen(prom_argv[argc]) + 1; - } - argv[prom_argc] = NULL; /* end array with null pointer */ - prom_argv = argv; - - /* next preserve the environment variables */ - len = 0; - i = 0; - for (envp = prom_envp; *envp != NULL; envp++) { - i++; /* count number of environment variables */ - len += sizeof(char *); /* length of pointer */ - len += strlen(*envp) + 1; /* length of string */ - } - len += sizeof(char *); /* plus length of null pointer */ - - envp = kmalloc(len, GFP_KERNEL); - ptr = (char *) &envp[i+1]; - - for (argc = 0; argc < i; argc++) { - envp[argc] = ptr; - strcpy(ptr, prom_envp[argc]); - ptr += strlen(prom_envp[argc]) + 1; - } - envp[i] = NULL; /* end array with null pointer */ - prom_envp = envp; - - for (i = 0; i < nr_prom_mem; i++) { - free_init_pages("prom memory", - prom_mem_base[i], prom_mem_base[i] + prom_mem_size[i]); - } -} - -struct prom_pmemblock *__init prom_getmdesc(void) -{ - static char memsz_env[] __initdata = "memsize"; - static char heaptop_env[] __initdata = "heaptop"; - char *str; - unsigned int memsize; - unsigned int heaptop; - int i; - - str = prom_getenv(memsz_env); - if (!str) { - ppfinit("memsize not set in boot prom, " - "set to default (32Mb)\n"); - memsize = 0x02000000; - } else { - memsize = simple_strtol(str, NULL, 0); - - if (memsize == 0) { - /* if memsize is a bad size, use reasonable default */ - memsize = 0x02000000; - } - - /* convert to physical address (removing caching bits, etc) */ - memsize = CPHYSADDR(memsize); - } - - str = prom_getenv(heaptop_env); - if (!str) { - heaptop = CPHYSADDR((u32)&_text); - ppfinit("heaptop not set in boot prom, " - "set to default 0x%08x\n", heaptop); - } else { - heaptop = simple_strtol(str, NULL, 16); - if (heaptop == 0) { - /* heaptop conversion bad, might have 0xValue */ - heaptop = simple_strtol(str, NULL, 0); - - if (heaptop == 0) { - /* heaptop still bad, use reasonable default */ - heaptop = CPHYSADDR((u32)&_text); - } - } - - /* convert to physical address (removing caching bits, etc) */ - heaptop = CPHYSADDR((u32)heaptop); - } - - /* the base region */ - i = 0; - mdesc[i].type = BOOT_MEM_RESERVED; - mdesc[i].base = 0x00000000; - mdesc[i].size = PAGE_ALIGN(0x300 + 0x80); - /* jtag interrupt vector + sizeof vector */ - - /* PMON data */ - if (heaptop > mdesc[i].base + mdesc[i].size) { - i++; /* 1 */ - mdesc[i].type = BOOT_MEM_ROM_DATA; - mdesc[i].base = mdesc[i-1].base + mdesc[i-1].size; - mdesc[i].size = heaptop - mdesc[i].base; - } - - /* end of PMON data to start of kernel -- probably zero .. */ - if (heaptop != CPHYSADDR((u32)_text)) { - i++; /* 2 */ - mdesc[i].type = BOOT_MEM_RAM; - mdesc[i].base = heaptop; - mdesc[i].size = CPHYSADDR((u32)_text) - mdesc[i].base; - } - - /* kernel proper */ - i++; /* 3 */ - mdesc[i].type = BOOT_MEM_RESERVED; - mdesc[i].base = CPHYSADDR((u32)_text); - mdesc[i].size = CPHYSADDR(PAGE_ALIGN((u32)_end)) - mdesc[i].base; - - /* Remainder of RAM -- under memsize */ - i++; /* 5 */ - mdesc[i].type = yamon_free; - mdesc[i].base = mdesc[i-1].base + mdesc[i-1].size; - mdesc[i].size = memsize - mdesc[i].base; - - return &mdesc[0]; -} diff --git a/arch/mips/pmcs-msp71xx/msp_serial.c b/arch/mips/pmcs-msp71xx/msp_serial.c deleted file mode 100644 index 8e6e8db8dd5f..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_serial.c +++ /dev/null @@ -1,154 +0,0 @@ -/* - * The setup file for serial related hardware on PMC-Sierra MSP processors. - * - * Copyright 2005 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ - -#include <linux/serial.h> -#include <linux/serial_core.h> -#include <linux/serial_reg.h> -#include <linux/slab.h> - -#include <asm/bootinfo.h> -#include <asm/io.h> -#include <asm/processor.h> -#include <asm/serial.h> -#include <linux/serial_8250.h> - -#include <msp_prom.h> -#include <msp_int.h> -#include <msp_regs.h> - -struct msp_uart_data { - int last_lcr; -}; - -static void msp_serial_out(struct uart_port *p, int offset, int value) -{ - struct msp_uart_data *d = p->private_data; - - if (offset == UART_LCR) - d->last_lcr = value; - - offset <<= p->regshift; - writeb(value, p->membase + offset); -} - -static unsigned int msp_serial_in(struct uart_port *p, int offset) -{ - offset <<= p->regshift; - - return readb(p->membase + offset); -} - -static int msp_serial_handle_irq(struct uart_port *p) -{ - struct msp_uart_data *d = p->private_data; - unsigned int iir = readb(p->membase + (UART_IIR << p->regshift)); - - if (serial8250_handle_irq(p, iir)) { - return 1; - } else if ((iir & UART_IIR_BUSY) == UART_IIR_BUSY) { - /* - * The DesignWare APB UART has an Busy Detect (0x07) interrupt - * meaning an LCR write attempt occurred while the UART was - * busy. The interrupt must be cleared by reading the UART - * status register (USR) and the LCR re-written. - * - * Note: MSP reserves 0x20 bytes of address space for the UART - * and the USR is mapped in a separate block at an offset of - * 0xc0 from the start of the UART. - */ - (void)readb(p->membase + 0xc0); - writeb(d->last_lcr, p->membase + (UART_LCR << p->regshift)); - - return 1; - } - - return 0; -} - -void __init msp_serial_setup(void) -{ - char *s; - char *endp; - struct uart_port up; - unsigned int uartclk; - - memset(&up, 0, sizeof(up)); - - /* Check if clock was specified in environment */ - s = prom_getenv("uartfreqhz"); - if(!(s && *s && (uartclk = simple_strtoul(s, &endp, 10)) && *endp == 0)) - uartclk = MSP_BASE_BAUD; - ppfinit("UART clock set to %d\n", uartclk); - - /* Initialize first serial port */ - up.mapbase = MSP_UART0_BASE; - up.membase = ioremap_nocache(up.mapbase, MSP_UART_REG_LEN); - up.irq = MSP_INT_UART0; - up.uartclk = uartclk; - up.regshift = 2; - up.iotype = UPIO_MEM; - up.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; - up.type = PORT_16550A; - up.line = 0; - up.serial_out = msp_serial_out; - up.serial_in = msp_serial_in; - up.handle_irq = msp_serial_handle_irq; - up.private_data = kzalloc(sizeof(struct msp_uart_data), GFP_KERNEL); - if (!up.private_data) { - pr_err("failed to allocate uart private data\n"); - return; - } - if (early_serial_setup(&up)) { - kfree(up.private_data); - pr_err("Early serial init of port 0 failed\n"); - } - - /* Initialize the second serial port, if one exists */ - switch (mips_machtype) { - case MACH_MSP4200_EVAL: - case MACH_MSP4200_GW: - case MACH_MSP4200_FPGA: - case MACH_MSP7120_EVAL: - case MACH_MSP7120_GW: - case MACH_MSP7120_FPGA: - /* Enable UART1 on MSP4200 and MSP7120 */ - *GPIO_CFG2_REG = 0x00002299; - break; - - default: - return; /* No second serial port, good-bye. */ - } - - up.mapbase = MSP_UART1_BASE; - up.membase = ioremap_nocache(up.mapbase, MSP_UART_REG_LEN); - up.irq = MSP_INT_UART1; - up.line = 1; - up.private_data = (void*)UART1_STATUS_REG; - if (early_serial_setup(&up)) { - kfree(up.private_data); - pr_err("Early serial init of port 1 failed\n"); - } -} diff --git a/arch/mips/pmcs-msp71xx/msp_setup.c b/arch/mips/pmcs-msp71xx/msp_setup.c deleted file mode 100644 index d1e59cec116e..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_setup.c +++ /dev/null @@ -1,228 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-or-later -/* - * The generic setup file for PMC-Sierra MSP processors - * - * Copyright 2005-2007 PMC-Sierra, Inc, - * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net - */ - -#include <linux/delay.h> - -#include <asm/bootinfo.h> -#include <asm/cacheflush.h> -#include <asm/idle.h> -#include <asm/r4kcache.h> -#include <asm/reboot.h> -#include <asm/smp-ops.h> -#include <asm/time.h> - -#include <msp_prom.h> -#include <msp_regs.h> - -#if defined(CONFIG_PMC_MSP7120_GW) -#include <msp_regops.h> -#define MSP_BOARD_RESET_GPIO 9 -#endif - -extern void msp_serial_setup(void); - -#if defined(CONFIG_PMC_MSP7120_EVAL) || \ - defined(CONFIG_PMC_MSP7120_GW) || \ - defined(CONFIG_PMC_MSP7120_FPGA) -/* - * Performs the reset for MSP7120-based boards - */ -void msp7120_reset(void) -{ - void *start, *end, *iptr; - - /* Diasble all interrupts */ - local_irq_disable(); -#ifdef CONFIG_SYS_SUPPORTS_MULTITHREADING - dvpe(); -#endif - - /* Cache the reset code of this function */ - __asm__ __volatile__ ( - " .set push \n" - " .set arch=r4000 \n" - " la %0,startpoint \n" - " la %1,endpoint \n" - " .set pop \n" - : "=r" (start), "=r" (end) - : - ); - - for (iptr = (void *)((unsigned int)start & ~(L1_CACHE_BYTES - 1)); - iptr < end; iptr += L1_CACHE_BYTES) - cache_op(Fill, iptr); - - __asm__ __volatile__ ( - "startpoint: \n" - ); - - /* Put the DDRC into self-refresh mode */ - DDRC_INDIRECT_WRITE(DDRC_CTL(10), 0xb, 1 << 16); - - /* - * IMPORTANT! - * DO NOT do anything from here on out that might even - * think about fetching from RAM - i.e., don't call any - * non-inlined functions, and be VERY sure that any inline - * functions you do call do NOT access any sort of RAM - * anywhere! - */ - - /* Wait a bit for the DDRC to settle */ - mdelay(125); - -#if defined(CONFIG_PMC_MSP7120_GW) - /* - * Set GPIO 9 HI, (tied to board reset logic) - * GPIO 9 is the 4th GPIO of register 3 - * - * NOTE: We cannot use the higher-level msp_gpio_mode()/out() - * as GPIO char driver may not be enabled and it would look up - * data inRAM! - */ - set_value_reg32(GPIO_CFG3_REG, 0xf000, 0x8000); - set_reg32(GPIO_DATA3_REG, 8); - - /* - * In case GPIO9 doesn't reset the board (jumper configurable!) - * fallback to device reset below. - */ -#endif - /* Set bit 1 of the MSP7120 reset register */ - *RST_SET_REG = 0x00000001; - - __asm__ __volatile__ ( - "endpoint: \n" - ); -} -#endif - -void msp_restart(char *command) -{ - printk(KERN_WARNING "Now rebooting .......\n"); - -#if defined(CONFIG_PMC_MSP7120_EVAL) || \ - defined(CONFIG_PMC_MSP7120_GW) || \ - defined(CONFIG_PMC_MSP7120_FPGA) - msp7120_reset(); -#else - /* No chip-specific reset code, just jump to the ROM reset vector */ - set_c0_status(ST0_BEV | ST0_ERL); - change_c0_config(CONF_CM_CMASK, CONF_CM_UNCACHED); - __flush_cache_all(); - write_c0_wired(0); - - __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000)); -#endif -} - -void msp_halt(void) -{ - printk(KERN_WARNING "\n** You can safely turn off the power\n"); - while (1) - /* If possible call official function to get CPU WARs */ - if (cpu_wait) - (*cpu_wait)(); - else - __asm__(".set\tmips3\n\t" "wait\n\t" ".set\tmips0"); -} - -void msp_power_off(void) -{ - msp_halt(); -} - -void __init plat_mem_setup(void) -{ - _machine_restart = msp_restart; - _machine_halt = msp_halt; - pm_power_off = msp_power_off; -} - -void __init prom_init(void) -{ - unsigned long family; - unsigned long revision; - - prom_argc = fw_arg0; - prom_argv = (char **)fw_arg1; - prom_envp = (char **)fw_arg2; - - /* - * Someday we can use this with PMON2000 to get a - * platform call prom routines for output etc. without - * having to use grody hacks. For now it's unused. - * - * struct callvectors *cv = (struct callvectors *) fw_arg3; - */ - family = identify_family(); - revision = identify_revision(); - - switch (family) { - case FAMILY_FPGA: - if (FPGA_IS_MSP4200(revision)) { - /* Old-style revision ID */ - mips_machtype = MACH_MSP4200_FPGA; - } else { - mips_machtype = MACH_MSP_OTHER; - } - break; - - case FAMILY_MSP4200: -#if defined(CONFIG_PMC_MSP4200_EVAL) - mips_machtype = MACH_MSP4200_EVAL; -#elif defined(CONFIG_PMC_MSP4200_GW) - mips_machtype = MACH_MSP4200_GW; -#else - mips_machtype = MACH_MSP_OTHER; -#endif - break; - - case FAMILY_MSP4200_FPGA: - mips_machtype = MACH_MSP4200_FPGA; - break; - - case FAMILY_MSP7100: -#if defined(CONFIG_PMC_MSP7120_EVAL) - mips_machtype = MACH_MSP7120_EVAL; -#elif defined(CONFIG_PMC_MSP7120_GW) - mips_machtype = MACH_MSP7120_GW; -#else - mips_machtype = MACH_MSP_OTHER; -#endif - break; - - case FAMILY_MSP7100_FPGA: - mips_machtype = MACH_MSP7120_FPGA; - break; - - default: - /* we don't recognize the machine */ - mips_machtype = MACH_UNKNOWN; - panic("***Bogosity factor five***, exiting"); - break; - } - - prom_init_cmdline(); - - prom_meminit(); - - /* - * Sub-system setup follows. - * Setup functions can either be called here or using the - * subsys_initcall mechanism (i.e. see msp_pci_setup). The - * order in which they are called can be changed by using the - * link order in arch/mips/pmc-sierra/msp71xx/Makefile. - * - * NOTE: Please keep sub-system specific initialization code - * in separate specific files. - */ - msp_serial_setup(); - - register_vsmp_smp_ops(); -} diff --git a/arch/mips/pmcs-msp71xx/msp_smp.c b/arch/mips/pmcs-msp71xx/msp_smp.c deleted file mode 100644 index 8f00d26f2a53..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_smp.c +++ /dev/null @@ -1,66 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Copyright (C) 2000, 2001, 2004 MIPS Technologies, Inc. - * Copyright (C) 2001 Ralf Baechle - * Copyright (C) 2010 PMC-Sierra, Inc. - * - * VSMP support for MSP platforms . Derived from malta vsmp support. - */ -#include <linux/smp.h> -#include <linux/interrupt.h> - -#include <asm/setup.h> - -#ifdef CONFIG_MIPS_MT_SMP -#define MIPS_CPU_IPI_RESCHED_IRQ 0 /* SW int 0 for resched */ -#define MIPS_CPU_IPI_CALL_IRQ 1 /* SW int 1 for call */ - - -static void ipi_resched_dispatch(void) -{ - do_IRQ(MIPS_CPU_IPI_RESCHED_IRQ); -} - -static void ipi_call_dispatch(void) -{ - do_IRQ(MIPS_CPU_IPI_CALL_IRQ); -} - -static irqreturn_t ipi_resched_interrupt(int irq, void *dev_id) -{ - return IRQ_HANDLED; -} - -static irqreturn_t ipi_call_interrupt(int irq, void *dev_id) -{ - generic_smp_call_function_interrupt(); - - return IRQ_HANDLED; -} - -static struct irqaction irq_resched = { - .handler = ipi_resched_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_resched" -}; - -static struct irqaction irq_call = { - .handler = ipi_call_interrupt, - .flags = IRQF_PERCPU, - .name = "IPI_call" -}; - -void __init arch_init_ipiirq(int irq, struct irqaction *action) -{ - setup_irq(irq, action); - irq_set_handler(irq, handle_percpu_irq); -} - -void __init msp_vsmp_int_init(void) -{ - set_vi_handler(MIPS_CPU_IPI_RESCHED_IRQ, ipi_resched_dispatch); - set_vi_handler(MIPS_CPU_IPI_CALL_IRQ, ipi_call_dispatch); - arch_init_ipiirq(MIPS_CPU_IPI_RESCHED_IRQ, &irq_resched); - arch_init_ipiirq(MIPS_CPU_IPI_CALL_IRQ, &irq_call); -} -#endif /* CONFIG_MIPS_MT_SMP */ diff --git a/arch/mips/pmcs-msp71xx/msp_time.c b/arch/mips/pmcs-msp71xx/msp_time.c deleted file mode 100644 index d83de01f00b8..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_time.c +++ /dev/null @@ -1,88 +0,0 @@ -// SPDX-License-Identifier: GPL-2.0-only -/* - * Setting up the clock on MSP SOCs. No RTC typically. - * - * Carsten Langgaard, carstenl@mips.com - * Copyright (C) 1999,2000 MIPS Technologies, Inc. All rights reserved. - * - * ######################################################################## - * - * ######################################################################## - */ - -#include <linux/init.h> -#include <linux/kernel_stat.h> -#include <linux/sched.h> -#include <linux/spinlock.h> -#include <linux/ptrace.h> - -#include <asm/cevt-r4k.h> -#include <asm/mipsregs.h> -#include <asm/time.h> - -#include <msp_prom.h> -#include <msp_int.h> -#include <msp_regs.h> - -#define get_current_vpe() \ - ((read_c0_tcbind() >> TCBIND_CURVPE_SHIFT) & TCBIND_CURVPE) - -static struct irqaction timer_vpe1; -static int tim_installed; - -void __init plat_time_init(void) -{ - char *endp, *s; - unsigned long cpu_rate = 0; - - if (cpu_rate == 0) { - s = prom_getenv("clkfreqhz"); - cpu_rate = simple_strtoul(s, &endp, 10); - if (endp != NULL && *endp != 0) { - printk(KERN_ERR - "Clock rate in Hz parse error: %s\n", s); - cpu_rate = 0; - } - } - - if (cpu_rate == 0) { - s = prom_getenv("clkfreq"); - cpu_rate = 1000 * simple_strtoul(s, &endp, 10); - if (endp != NULL && *endp != 0) { - printk(KERN_ERR - "Clock rate in MHz parse error: %s\n", s); - cpu_rate = 0; - } - } - - if (cpu_rate == 0) { -#if defined(CONFIG_PMC_MSP7120_EVAL) \ - || defined(CONFIG_PMC_MSP7120_GW) - cpu_rate = 400000000; -#elif defined(CONFIG_PMC_MSP7120_FPGA) - cpu_rate = 25000000; -#else - cpu_rate = 150000000; -#endif - printk(KERN_ERR - "Failed to determine CPU clock rate, " - "assuming %ld hz ...\n", cpu_rate); - } - - printk(KERN_WARNING "Clock rate set to %ld\n", cpu_rate); - - /* timer frequency is 1/2 clock rate */ - mips_hpt_frequency = cpu_rate/2; -} - -unsigned int get_c0_compare_int(void) -{ - /* MIPS_MT modes may want timer for second VPE */ - if ((get_current_vpe()) && !tim_installed) { - memcpy(&timer_vpe1, &c0_compare_irqaction, sizeof(timer_vpe1)); - setup_irq(MSP_INT_VPE1_TIMER, &timer_vpe1); - tim_installed++; - } - - return get_current_vpe() ? MSP_INT_VPE1_TIMER : MSP_INT_VPE0_TIMER; -} diff --git a/arch/mips/pmcs-msp71xx/msp_usb.c b/arch/mips/pmcs-msp71xx/msp_usb.c deleted file mode 100644 index d38ac70b5a2e..000000000000 --- a/arch/mips/pmcs-msp71xx/msp_usb.c +++ /dev/null @@ -1,173 +0,0 @@ -/* - * The setup file for USB related hardware on PMC-Sierra MSP processors. - * - * Copyright 2006 PMC-Sierra, Inc. - * - * This program is free software; you can redistribute it and/or modify it - * under the terms of the GNU General Public License as published by the - * Free Software Foundation; either version 2 of the License, or (at your - * option) any later version. - * - * THIS SOFTWARE IS PROVIDED ``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 THE AUTHOR 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. - * - * You should have received a copy of the GNU General Public License along - * with this program; if not, write to the Free Software Foundation, Inc., - * 675 Mass Ave, Cambridge, MA 02139, USA. - */ -#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET) - -#include <linux/init.h> -#include <linux/ioport.h> -#include <linux/platform_device.h> - -#include <asm/mipsregs.h> - -#include <msp_regs.h> -#include <msp_int.h> -#include <msp_prom.h> -#include <msp_usb.h> - - -#if defined(CONFIG_USB_EHCI_HCD) -static struct resource msp_usbhost0_resources[] = { - [0] = { /* EHCI-HS operational and capabilities registers */ - .start = MSP_USB0_HS_START, - .end = MSP_USB0_HS_END, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_USB, - .end = MSP_INT_USB, - .flags = IORESOURCE_IRQ, - }, - [2] = { /* MSBus-to-AMBA bridge register space */ - .start = MSP_USB0_MAB_START, - .end = MSP_USB0_MAB_END, - .flags = IORESOURCE_MEM, - }, - [3] = { /* Identification and general hardware parameters */ - .start = MSP_USB0_ID_START, - .end = MSP_USB0_ID_END, - .flags = IORESOURCE_MEM, - }, -}; - -static u64 msp_usbhost0_dma_mask = 0xffffffffUL; - -static struct mspusb_device msp_usbhost0_device = { - .dev = { - .name = "pmcmsp-ehci", - .id = 0, - .dev = { - .dma_mask = &msp_usbhost0_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(msp_usbhost0_resources), - .resource = msp_usbhost0_resources, - }, -}; -#endif /* CONFIG_USB_EHCI_HCD */ - -#if defined(CONFIG_USB_GADGET) -static struct resource msp_usbdev0_resources[] = { - [0] = { /* EHCI-HS operational and capabilities registers */ - .start = MSP_USB0_HS_START, - .end = MSP_USB0_HS_END, - .flags = IORESOURCE_MEM, - }, - [1] = { - .start = MSP_INT_USB, - .end = MSP_INT_USB, - .flags = IORESOURCE_IRQ, - }, - [2] = { /* MSBus-to-AMBA bridge register space */ - .start = MSP_USB0_MAB_START, - .end = MSP_USB0_MAB_END, - .flags = IORESOURCE_MEM, - }, - [3] = { /* Identification and general hardware parameters */ - .start = MSP_USB0_ID_START, - .end = MSP_USB0_ID_END, - .flags = IORESOURCE_MEM, - }, -}; - -static u64 msp_usbdev_dma_mask = 0xffffffffUL; - -/* This may need to be converted to a mspusb_device, too. */ -static struct mspusb_device msp_usbdev0_device = { - .dev = { - .name = "msp71xx_udc", - .id = 0, - .dev = { - .dma_mask = &msp_usbdev_dma_mask, - .coherent_dma_mask = 0xffffffffUL, - }, - .num_resources = ARRAY_SIZE(msp_usbdev0_resources), - .resource = msp_usbdev0_resources, - }, -}; -#endif /* CONFIG_USB_GADGET */ - -static int __init msp_usb_setup(void) -{ - char *strp; - char envstr[32]; - struct platform_device *msp_devs[NUM_USB_DEVS]; - unsigned int val; - - /* construct environment name usbmode */ - /* set usbmode <host/device> as pmon environment var */ - /* - * Could this perhaps be integrated into the "features" env var? - * Use the features key "U", and follow with "H" for host-mode, - * "D" for device-mode. If it works for Ethernet, why not USB... - * -- hammtrev, 2007/03/22 - */ - snprintf(&envstr[0], sizeof(envstr), "usbmode"); - - /* set default host mode */ - val = 1; - - /* get environment string */ - strp = prom_getenv(&envstr[0]); - if (strp) { - /* compare string */ - if (!strcmp(strp, "device")) - val = 0; - } - - if (val) { -#if defined(CONFIG_USB_EHCI_HCD) - msp_devs[0] = &msp_usbhost0_device.dev; - ppfinit("platform add USB HOST done %s.\n", msp_devs[0]->name); -#else - ppfinit("%s: echi_hcd not supported\n", __FILE__); -#endif /* CONFIG_USB_EHCI_HCD */ - } else { -#if defined(CONFIG_USB_GADGET) - /* get device mode structure */ - msp_devs[0] = &msp_usbdev0_device.dev; - ppfinit("platform add USB DEVICE done %s.\n" - , msp_devs[0]->name); -#else - ppfinit("%s: usb_gadget not supported\n", __FILE__); -#endif /* CONFIG_USB_GADGET */ - } - /* add device */ - platform_add_devices(msp_devs, ARRAY_SIZE(msp_devs)); - - return 0; -} - -subsys_initcall(msp_usb_setup); -#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */ |