diff options
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/Makefile | 11 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_elb.c | 46 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c | 179 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_irq.c | 124 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c | 134 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c | 109 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_prom.c | 566 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_setup.c | 256 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_time.c | 94 | ||||
| -rw-r--r-- | arch/mips/pmc-sierra/msp71xx/msp_usb.c | 150 | ||||
| -rw-r--r-- | include/asm-mips/pmc-sierra/msp71xx/msp_cic_int.h | 151 | ||||
| -rw-r--r-- | include/asm-mips/pmc-sierra/msp71xx/msp_int.h | 43 | ||||
| -rw-r--r-- | include/asm-mips/pmc-sierra/msp71xx/msp_prom.h | 176 | ||||
| -rw-r--r-- | include/asm-mips/pmc-sierra/msp71xx/msp_regops.h | 236 | ||||
| -rw-r--r-- | include/asm-mips/pmc-sierra/msp71xx/msp_regs.h | 667 | ||||
| -rw-r--r-- | include/asm-mips/pmc-sierra/msp71xx/msp_slp_int.h | 141 |
16 files changed, 3083 insertions, 0 deletions
diff --git a/arch/mips/pmc-sierra/msp71xx/Makefile b/arch/mips/pmc-sierra/msp71xx/Makefile new file mode 100644 index 00000000000..4bba79c1cc7 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/Makefile @@ -0,0 +1,11 @@ +# +# 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-$(CONFIG_IRQ_MSP_CIC) += msp_irq_cic.o +obj-$(CONFIG_PCI) += msp_pci.o +obj-$(CONFIG_MSPETH) += msp_eth.o +obj-$(CONFIG_USB_MSP71XX) += msp_usb.o diff --git a/arch/mips/pmc-sierra/msp71xx/msp_elb.c b/arch/mips/pmc-sierra/msp71xx/msp_elb.c new file mode 100644 index 00000000000..3e964100721 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_elb.c @@ -0,0 +1,46 @@ +/* + * 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/pmc-sierra/msp71xx/msp_hwbutton.c b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c new file mode 100644 index 00000000000..6fa85728158 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_hwbutton.c @@ -0,0 +1,179 @@ +/* + * 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> +#ifdef CONFIG_PMCTWILED +#include <msp_led_macros.h> +#endif + +/* 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 */ +#ifdef CONFIG_PMCTWILED + msp_led_turn_off(MSP_LED_PWRSTANDBY_GREEN); + msp_led_turn_on(MSP_LED_PWRSTANDBY_RED); +#endif +} + +static void standby_off(void *data) +{ + printk(KERN_WARNING + "STANDBY switch was set to OFF (not implemented)\n"); + + /* TODO: Take out of standby mode */ +#ifdef CONFIG_PMCTWILED + msp_led_turn_on(MSP_LED_PWRSTANDBY_GREEN); + msp_led_turn_off(MSP_LED_PWRSTANDBY_RED); +#endif +} + +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 (irq != hirq->irq) + return IRQ_NONE; + + 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, SA_INTERRUPT, + hirq->name, (void *)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/pmc-sierra/msp71xx/msp_irq.c b/arch/mips/pmc-sierra/msp71xx/msp_irq.c new file mode 100644 index 00000000000..734d598a2e3 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_irq.c @@ -0,0 +1,124 @@ +/* + * 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 <msp_int.h> + +extern void msp_int_handle(void); + +/* 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); + +/* + * 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(struct pt_regs *regs) +{ + 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 cascade_msp = { + .handler = no_action, + .name = "MSP cascade" +}; + + +void __init arch_init_irq(void) +{ + /* initialize the 1st-level CPU based interrupt controller */ + mips_cpu_irq_init(); + +#ifdef CONFIG_IRQ_MSP_CIC + msp_cic_irq_init(); + + /* setup the cascaded interrupts */ + setup_irq(MSP_INT_CIC, &cascade_msp); + setup_irq(MSP_INT_PER, &cascade_msp); +#else + /* setup the 2nd-level SLP register based interrupt controller */ + msp_slp_irq_init(); + + /* setup the cascaded SLP/PER interrupts */ + setup_irq(MSP_INT_SLP, &cascade_msp); + setup_irq(MSP_INT_PER, &cascade_msp); +#endif +} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c new file mode 100644 index 00000000000..5175357d0a2 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_cic.c @@ -0,0 +1,134 @@ +/* + * This file define the irq handler for MSP SLM subsystem interrupts. + * + * Copyright 2005-2007 PMC-Sierra, Inc, derived from irq_cpu.c + * Author: Andrew Hughes, Andrew_Hughes@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. + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/bitops.h> + +#include <asm/system.h> + +#include <msp_cic_int.h> +#include <msp_regs.h> + +/* + * NOTE: We are only enabling support for VPE0 right now. + */ + +static inline void unmask_msp_cic_irq(unsigned int irq) +{ + + /* check for PER interrupt range */ + if (irq < MSP_PER_INTBASE) + *CIC_VPE0_MSK_REG |= (1 << (irq - MSP_CIC_INTBASE)); + else + *PER_INT_MSK_REG |= (1 << (irq - MSP_PER_INTBASE)); +} + +static inline void mask_msp_cic_irq(unsigned int irq) +{ + /* check for PER interrupt range */ + if (irq < MSP_PER_INTBASE) + *CIC_VPE0_MSK_REG &= ~(1 << (irq - MSP_CIC_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_cic_irq_end. + */ +static inline void ack_msp_cic_irq(unsigned int irq) +{ + mask_msp_cic_irq(irq); + + /* + * 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. + */ + + /* check for PER interrupt range */ + if (irq < MSP_PER_INTBASE) + *CIC_STS_REG = (1 << (irq - MSP_CIC_INTBASE)); + else + *PER_INT_STS_REG = (1 << (irq - MSP_PER_INTBASE)); +} + +static struct irq_chip msp_cic_irq_controller = { + .name = "MSP_CIC", + .ack = ack_msp_cic_irq, + .mask = ack_msp_cic_irq, + .mask_ack = ack_msp_cic_irq, + .unmask = unmask_msp_cic_irq, +}; + + +void __init msp_cic_irq_init(void) +{ + int i; + + /* Mask/clear interrupts. */ + *CIC_VPE0_MSK_REG = 0x00000000; + *PER_INT_MSK_REG = 0x00000000; + *CIC_STS_REG = 0xFFFFFFFF; + *PER_INT_STS_REG = 0xFFFFFFFF; + +#if defined(CONFIG_PMC_MSP7120_GW) || \ + defined(CONFIG_PMC_MSP7120_EVAL) + /* + * 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; +#endif + + /* initialize all the IRQ descriptors */ + for (i = MSP_CIC_INTBASE; i < MSP_PER_INTBASE + 32; i++) + set_irq_chip_and_handler(i, &msp_cic_irq_controller, + handle_level_irq); +} + +void msp_cic_irq_dispatch(void) +{ + u32 pending; + int intbase; + + intbase = MSP_CIC_INTBASE; + pending = *CIC_STS_REG & *CIC_VPE0_MSK_REG; + + /* check for PER interrupt */ + if (pending == (1 << (MSP_INT_PER - MSP_CIC_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? status %08x, mask %08x\n", + (intbase == MSP_CIC_INTBASE) ? "CIC" : "PER", + (intbase == MSP_CIC_INTBASE) ? + *CIC_STS_REG : *PER_INT_STS_REG, + (intbase == MSP_CIC_INTBASE) ? + *CIC_VPE0_MSK_REG : *PER_INT_MSK_REG); + return; + } + + /* check for the timer and dispatch it first */ + if ((intbase == MSP_CIC_INTBASE) && + (pending & (1 << (MSP_INT_VPE0_TIMER - MSP_CIC_INTBASE)))) + do_IRQ(MSP_INT_VPE0_TIMER); + else + do_IRQ(ffs(pending) + intbase - 1); +} + diff --git a/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c new file mode 100644 index 00000000000..f5f1b8d2bb9 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_irq_slp.c @@ -0,0 +1,109 @@ +/* + * 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 + * + * 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. + */ + +#include <linux/init.h> +#include <linux/interrupt.h> +#include <linux/kernel.h> +#include <linux/bitops.h> + +#include <asm/mipsregs.h> +#include <asm/system.h> + +#include <msp_slp_int.h> +#include <msp_regs.h> + +static inline void unmask_msp_slp_irq(unsigned int 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(unsigned int 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(unsigned int irq) +{ + mask_slp_irq(irq); + + /* + * 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. + */ + + /* 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", + .ack = ack_msp_slp_irq, + .mask = ack_msp_slp_irq, + .mask_ack = ack_msp_slp_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++) + set_irq_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/pmc-sierra/msp71xx/msp_prom.c b/arch/mips/pmc-sierra/msp71xx/msp_prom.c new file mode 100644 index 00000000000..e5bd5481d8d --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_prom.c @@ -0,0 +1,566 @@ +/* + * 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/module.h> +#include <linux/kernel.h> +#include <linux/init.h> +#include <linux/string.h> +#include <linux/interrupt.h> +#include <linux/mm.h> +#ifdef CONFIG_CRAMFS +#include <linux/cramfs_fs.h> +#endif +#ifdef CONFIG_SQUASHFS +#include <linux/squashfs_fs.h> +#endif + +#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]; + +/* 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 */ +} + +static inline 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 */ +char *prom_getcmdline(void) +{ + return &(arcs_cmdline[0]); +} +EXPORT_SYMBOL(prom_getcmdline); + +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++; + } +} + +void __init prom_free_prom_memory(void) +{ + int argc; + char **argv; + char **envp; + char *ptr; + int len = 0; + int i; + unsigned long addr; + + /* + * 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 < boot_mem_map.nr_map; i++) { + if (boot_mem_map.map[i].type != BOOT_MEM_ROM_DATA) + continue; + + addr = boot_mem_map.map[i].addr; + free_init_pages("prom memory", + addr, addr + boot_mem_map.map[i].size); + } +} + +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; +#ifdef CONFIG_MTD_PMC_MSP_RAMROOT + void *ramroot_start; + unsigned long ramroot_size; +#endif + 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); +#ifdef CONFIG_MTD_PMC_MSP_RAMROOT + if (get_ramroot(&ramroot_start, &ramroot_size)) { + /* + * Rootfs in RAM -- follows kernel + * Combine rootfs image with kernel block so a + * page (4k) isn't wasted between memory blocks + */ + mdesc[i].size = CPHYSADDR(PAGE_ALIGN( + (u32)ramroot_start + ramroot_size)) - mdesc[i].base; + } else +#endif + 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]; +} + +/* rootfs functions */ +#ifdef CONFIG_MTD_PMC_MSP_RAMROOT +bool get_ramroot(void **start, unsigned long *size) +{ + extern char _end[]; + + /* Check for start following the end of the kernel */ + void *check_start = (void *)_end; + + /* Check for supported rootfs types */ +#ifdef CONFIG_CRAMFS + if (*(__u32 *)check_start == CRAMFS_MAGIC) { + /* Get CRAMFS size */ + *start = check_start; + *size = PAGE_ALIGN(((struct cramfs_super *) + check_start)->size); + + return true; + } +#endif +#ifdef CONFIG_SQUASHFS + if (*((unsigned int *)check_start) == SQUASHFS_MAGIC) { + /* Get SQUASHFS size */ + *start = check_start; + *size = PAGE_ALIGN(((struct squashfs_super_block *) + check_start)->bytes_used); + + return true; + } +#endif + + return false; +} +EXPORT_SYMBOL(get_ramroot); +#endif diff --git a/arch/mips/pmc-sierra/msp71xx/msp_setup.c b/arch/mips/pmc-sierra/msp71xx/msp_setup.c new file mode 100644 index 00000000000..8f69b789be9 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_setup.c @@ -0,0 +1,256 @@ +/* + * 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 + * + * 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. + */ + +#include <asm/bootinfo.h> +#include <asm/cacheflush.h> +#include <asm/r4kcache.h> +#include <asm/reboot.h> +#include <asm/time.h> + +#include <msp_prom.h> +#include <msp_regs.h> + +#if defined(CONFIG_PMC_MSP7120_GW) +#include <msp_regops.h> +#include <msp_gpio.h> +#define MSP_BOARD_RESET_GPIO 9 +#endif + +extern void msp_timer_init(void); +extern void msp_serial_setup(void); +extern void pmctwiled_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; + register int i; + + /* 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 mips3 \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 */ + for (i = 0; i < 100000000; i++); + +#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, + basic_mode_mask(MSP_BOARD_RESET_GPIO), + basic_mode(MSP_GPIO_OUTPUT, MSP_BOARD_RESET_GPIO)); + set_reg32(GPIO_DATA3_REG, + basic_data_mask(MSP_BOARD_RESET_GPIO)); + + /* + * 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; + + board_time_init = msp_timer_init; +} + +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_machgroup = MACH_GROUP_MSP; + mips_machtype = MACH_MSP4200_FPGA; + } else { + mips_machgroup = MACH_GROUP_MSP; + mips_machtype = MACH_MSP_OTHER; + } + break; + + case FAMILY_MSP4200: + mips_machgroup = MACH_GROUP_MSP; +#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_machgroup = MACH_GROUP_MSP; + mips_machtype = MACH_MSP4200_FPGA; + break; + + case FAMILY_MSP7100: + mips_machgroup = MACH_GROUP_MSP; +#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_machgroup = MACH_GROUP_MSP; + mips_machtype = MACH_MSP7120_FPGA; + break; + + default: + /* we don't recognize the machine */ + mips_machgroup = MACH_GROUP_UNKNOWN; + mips_machtype = MACH_UNKNOWN; + break; + } + + /* make sure we have the right initialization routine - sanity */ + if (mips_machgroup != MACH_GROUP_MSP) { + ppfinit("Unknown machine group in a " + "MSP initialization routine\n"); + panic("***Bogosity factor five***, exiting\n"); + } + + 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(); + +#ifdef CONFIG_PMCTWILED + /* + * Setup LED states before the subsys_initcall loads other + * dependant drivers/modules. + */ + pmctwiled_setup(); +#endif +} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_time.c b/arch/mips/pmc-sierra/msp71xx/msp_time.c new file mode 100644 index 00000000000..2a2beac5a4f --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_time.c @@ -0,0 +1,94 @@ +/* + * 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. + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + +#include <linux/init.h> +#include <linux/kernel_stat.h> +#include <linux/sched.h> +#include <linux/spinlock.h> +#include <linux/module.h> +#include <linux/ptrace.h> + +#include <asm/mipsregs.h> +#include <asm/time.h> + +#include <msp_prom.h> +#include <msp_int.h> +#include <msp_regs.h> + +void __init msp_timer_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; +} + + +void __init plat_timer_setup(struct irqaction *irq) +{ +#ifdef CONFIG_IRQ_MSP_CIC + /* we are using the vpe0 counter for timer interrupts */ + setup_irq(MSP_INT_VPE0_TIMER, irq); +#else + /* we are using the mips counter for timer interrupts */ + setup_irq(MSP_INT_TIMER, irq); +#endif +} diff --git a/arch/mips/pmc-sierra/msp71xx/msp_usb.c b/arch/mips/pmc-sierra/msp71xx/msp_usb.c new file mode 100644 index 00000000000..21f9c70b692 --- /dev/null +++ b/arch/mips/pmc-sierra/msp71xx/msp_usb.c @@ -0,0 +1,150 @@ +/* + * The setup file for USB related hardware on PMC-Sierra MSP processors. + * + * Copyright 2006-2007 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/dma-mapping.h> +#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> + +#if defined(CONFIG_USB_EHCI_HCD) +static struct resource msp_usbhost_resources [] = { + [0] = { + .start = MSP_USB_BASE_START, + .end = MSP_USB_BASE_END, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MSP_INT_USB, + .end = MSP_INT_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 msp_usbhost_dma_mask = DMA_32BIT_MASK; + +static struct platform_device msp_usbhost_device = { + .name = "pmcmsp-ehci", + .id = 0, + .dev = { + .dma_mask = &msp_usbhost_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + }, + .num_resources = ARRAY_SIZE (msp_usbhost_resources), + .resource = msp_usbhost_resources, +}; +#endif /* CONFIG_USB_EHCI_HCD */ + +#if defined(CONFIG_USB_GADGET) +static struct resource msp_usbdev_resources [] = { + [0] = { + .start = MSP_USB_BASE, + .end = MSP_USB_BASE_END, + .flags = IORESOURCE_MEM, + }, + [1] = { + .start = MSP_INT_USB, + .end = MSP_INT_USB, + .flags = IORESOURCE_IRQ, + }, +}; + +static u64 msp_usbdev_dma_mask = DMA_32BIT_MASK; + +static struct platform_device msp_usbdev_device = { + .name = "msp71xx_udc", + .id = 0, + .dev = { + .dma_mask = &msp_usbdev_dma_mask, + .coherent_dma_mask = DMA_32BIT_MASK, + }, + .num_resources = ARRAY_SIZE (msp_usbdev_resources), + .resource = msp_usbdev_resources, +}; +#endif /* CONFIG_USB_GADGET */ + +#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET) +static struct platform_device *msp_devs[1]; +#endif + + +static int __init msp_usb_setup(void) +{ +#if defined(CONFIG_USB_EHCI_HCD) || defined(CONFIG_USB_GADGET) + char *strp; + char envstr[32]; + unsigned int val = 0; + int result = 0; + + /* + * construct environment name usbmode + * set usbmode <host/device> as pmon environment var + */ + snprintf((char *)&envstr[0], sizeof(envstr), "usbmode"); + +#if defined(CONFIG_USB_EHCI_HCD) + /* default to host mode */ + val = 1; +#endif + + /* get environment string */ + strp = prom_getenv((char *)&envstr[0]); + if (strp) { + if (!strcmp(strp, "device")) + val = 0; + } + + if (val) { +#if defined(CONFIG_USB_EHCI_HCD) + /* get host mode device */ + msp_devs[0] = &msp_usbhost_device; + ppfinit("platform add USB HOST done %s.\n", + msp_devs[0]->name); + + result = platform_add_devices(msp_devs, ARRAY_SIZE (msp_devs)); +#endif /* CONFIG_USB_EHCI_HCD */ + } +#if defined(CONFIG_USB_GADGET) + else { + /* get device mode structure */ + msp_devs[0] = &msp_usbdev_device; + ppfinit("platform add USB DEVICE done %s.\n", + msp_devs[0]->name); + + result = platform_add_devices(msp_devs, ARRAY_SIZE (msp_devs)); + } +#endif /* CONFIG_USB_GADGET */ +#endif /* CONFIG_USB_EHCI_HCD || CONFIG_USB_GADGET */ + + return result; +} + +subsys_initcall(msp_usb_setup); diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_cic_int.h b/include/asm-mips/pmc-sierra/msp71xx/msp_cic_int.h new file mode 100644 index 00000000000..c84bcf9570b --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/msp_cic_int.h @@ -0,0 +1,151 @@ +/* + * Defines for the MSP interrupt controller. + * + * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved. + * Author: Carsten Langgaard, carstenl@mips.com + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + +#ifndef _MSP_CIC_INT_H +#define _MSP_CIC_INT_H + +/* + * The PMC-Sierra CIC interrupts are all centrally managed by the + * CIC sub-system. + * We attempt to keep the interrupt numbers as consistent as possible + * across all of the MSP devices, but some differences will creep in ... + * The interrupts which are directly forwarded to the MIPS core interrupts + * are assigned interrupts in the range 0-7, interrupts cascaded through + * the CIC are assigned interrupts 8-39. The cascade occurs on C_IRQ4 + * (MSP_INT_CIC). Currently we don't really distinguish between VPE1 + * and VPE0 (or thread contexts for that matter). Will have to fix. + * The PER interrupts are assigned interrupts in the range 40-71. +*/ + + +/* + * IRQs directly forwarded to the CPU + */ +#define MSP_MIPS_INTBASE 0 +#define MSP_INT_SW0 0 /* IRQ for swint0, C_SW0 */ +#define MSP_INT_SW1 1 /* IRQ for swint1, C_SW1 */ +#define MSP_INT_MAC0 2 /* IRQ for MAC 0, C_IRQ0 */ +#define MSP_INT_MAC1 3 /* IRQ for MAC 1, C_IRQ1 */ +#define MSP_INT_USB 4 /* IRQ for USB, C_IRQ2 */ +#define MSP_INT_SAR 5 /* IRQ for ADSL2+ SAR, C_IRQ3 */ +#define MSP_INT_CIC 6 /* IRQ for CIC block, C_IRQ4 */ +#define MSP_INT_SEC 7 /* IRQ for Sec engine, C_IRQ5 */ + +/* + * IRQs cascaded on CPU interrupt 4 (CAUSE bit 12, C_IRQ4) + * These defines should be tied to the register definitions for the CIC + * interrupt routine. For now, just use hard-coded values. + */ +#define MSP_CIC_INTBASE (MSP_MIPS_INTBASE + 8) +#define MSP_INT_EXT0 (MSP_CIC_INTBASE + 0) + /* External interrupt 0 */ +#define MSP_INT_EXT1 (MSP_CIC_INTBASE + 1) + /* External interrupt 1 */ +#define MSP_INT_EXT2 (MSP_CIC_INTBASE + 2) + /* External interrupt 2 */ +#define MSP_INT_EXT3 (MSP_CIC_INTBASE + 3) + /* External interrupt 3 */ +#define MSP_INT_CPUIF (MSP_CIC_INTBASE + 4) + /* CPU interface interrupt */ +#define MSP_INT_EXT4 (MSP_CIC_INTBASE + 5) + /* External interrupt 4 */ +#define MSP_INT_CIC_USB (MSP_CIC_INTBASE + 6) + /* Cascaded IRQ for USB */ +#define MSP_INT_MBOX (MSP_CIC_INTBASE + 7) + /* Sec engine mailbox IRQ */ +#define MSP_INT_EXT5 (MSP_CIC_INTBASE + 8) + /* External interrupt 5 */ +#define MSP_INT_TDM (MSP_CIC_INTBASE + 9) + /* TDM interrupt */ +#define MSP_INT_CIC_MAC0 (MSP_CIC_INTBASE + 10) + /* Cascaded IRQ for MAC 0 */ +#define MSP_INT_CIC_MAC1 (MSP_CIC_INTBASE + 11) + /* Cascaded IRQ for MAC 1 */ +#define MSP_INT_CIC_SEC (MSP_CIC_INTBASE + 12) + /* Cascaded IRQ for sec engine */ +#define MSP_INT_PER (MSP_CIC_INTBASE + 13) + /* Peripheral interrupt */ +#define MSP_INT_TIMER0 (MSP_CIC_INTBASE + 14) + /* SLP timer 0 */ +#define MSP_INT_TIMER1 (MSP_CIC_INTBASE + 15) + /* SLP timer 1 */ +#define MSP_INT_TIMER2 (MSP_CIC_INTBASE + 16) + /* SLP timer 2 */ +#define MSP_INT_VPE0_TIMER (MSP_CIC_INTBASE + 17) + /* VPE0 MIPS timer */ +#define MSP_INT_BLKCP (MSP_CIC_INTBASE + 18) + /* Block Copy */ +#define MSP_INT_UART0 (MSP_CIC_INTBASE + 19) + /* UART 0 */ +#define MSP_INT_PCI (MSP_CIC_INTBASE + 20) + /* PCI subsystem */ +#define MSP_INT_EXT6 (MSP_CIC_INTBASE + 21) + /* External interrupt 5 */ +#define MSP_INT_PCI_MSI (MSP_CIC_INTBASE + 22) + /* PCI Message Signal */ +#define MSP_INT_CIC_SAR (MSP_CIC_INTBASE + 23) + /* Cascaded ADSL2+ SAR IRQ */ +#define MSP_INT_DSL (MSP_CIC_INTBASE + 24) + /* ADSL2+ IRQ */ +#define MSP_INT_CIC_ERR (MSP_CIC_INTBASE + 25) + /* SLP error condition */ +#define MSP_INT_VPE1_TIMER (MSP_CIC_INTBASE + 26) + /* VPE1 MIPS timer */ +#define MSP_INT_VPE0_PC (MSP_CIC_INTBASE + 27) + /* VPE0 Performance counter */ +#define MSP_INT_VPE1_PC (MSP_CIC_INTBASE + 28) + /* VPE1 Performance counter */ +#define MSP_INT_EXT7 (MSP_CIC_INTBASE + 29) + /* External interrupt 5 */ +#define MSP_INT_VPE0_SW (MSP_CIC_INTBASE + 30) + /* VPE0 Software interrupt */ +#define MSP_INT_VPE1_SW (MSP_CIC_INTBASE + 31) + /* VPE0 Software interrupt */ + +/* + * IRQs cascaded on CIC PER interrupt (MSP_INT_PER) + */ +#define MSP_PER_INTBASE (MSP_CIC_INTBASE + 32) +/* Reserved 0-1 */ +#define MSP_INT_UART1 (MSP_PER_INTBASE + 2) + /* UART 1 */ +/* Reserved 3-5 */ +#define MSP_INT_2WIRE (MSP_PER_INTBASE + 6) + /* 2-wire */ +#define MSP_INT_TM0 (MSP_PER_INTBASE + 7) + /* Peripheral timer block out 0 */ +#define MSP_INT_TM1 (MSP_PER_INTBASE + 8) + /* Peripheral timer block out 1 */ +/* Reserved 9 */ +#define MSP_INT_SPRX (MSP_PER_INTBASE + 10) + /* SPI RX complete */ +#define MSP_INT_SPTX (MSP_PER_INTBASE + 11) + /* SPI TX complete */ +#define MSP_INT_GPIO (MSP_PER_INTBASE + 12) + /* GPIO */ +#define MSP_INT_PER_ERR (MSP_PER_INTBASE + 13) + /* Peripheral error */ +/* Reserved 14-31 */ + +#endif /* !_MSP_CIC_INT_H */ diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_int.h b/include/asm-mips/pmc-sierra/msp71xx/msp_int.h new file mode 100644 index 00000000000..1d9f0547482 --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/msp_int.h @@ -0,0 +1,43 @@ +/* + * Defines for the MSP interrupt handlers. + * + * Copyright (C) 2005, PMC-Sierra, Inc. All rights reserved. + * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + +#ifndef _MSP_INT_H +#define _MSP_INT_H + +/* + * The PMC-Sierra MSP product line has at least two different interrupt + * controllers, the SLP register based scheme and the CIC interrupt + * controller block mechanism. This file distinguishes between them + * so that devices see a uniform interface. + */ + +#if defined(CONFIG_IRQ_MSP_SLP) + #include "msp_slp_int.h" +#elif defined(CONFIG_IRQ_MSP_CIC) + #include "msp_cic_int.h" +#else + #error "What sort of interrupt controller does *your* MSP have?" +#endif + +#endif /* !_MSP_INT_H */ diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_prom.h b/include/asm-mips/pmc-sierra/msp71xx/msp_prom.h new file mode 100644 index 00000000000..14ca7dc382a --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/msp_prom.h @@ -0,0 +1,176 @@ +/* + * MIPS boards bootprom interface for the Linux kernel. + * + * Copyright (C) 2000 MIPS Technologies, Inc. All rights reserved. + * Author: Carsten Langgaard, carstenl@mips.com + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + +#ifndef _ASM_MSP_PROM_H +#define _ASM_MSP_PROM_H + +#include <linux/types.h> + +#define DEVICEID "deviceid" +#define FEATURES "features" +#define PROM_ENV "prom_env" +#define PROM_ENV_FILE "/proc/"PROM_ENV +#define PROM_ENV_SIZE 256 + +#define CPU_DEVID_FAMILY 0x0000ff00 +#define CPU_DEVID_REVISION 0x000000ff + +#define FPGA_IS_POLO(revision) \ + (((revision >= 0xb0) && (revision < 0xd0))) +#define FPGA_IS_5000(revision) \ + ((revision >= 0x80) && (revision <= 0x90)) +#define FPGA_IS_ZEUS(revision) ((revision < 0x7f)) +#define FPGA_IS_DUET(revision) \ + (((revision >= 0xa0) && (revision < 0xb0))) +#define FPGA_IS_MSP4200(revision) ((revision >= 0xd0)) +#define FPGA_IS_MSP7100(revision) ((revision >= 0xd0)) + +#define MACHINE_TYPE_POLO "POLO" +#define MACHINE_TYPE_DUET "DUET" +#define MACHINE_TYPE_ZEUS "ZEUS" +#define MACHINE_TYPE_MSP2000REVB "MSP2000REVB" +#define MACHINE_TYPE_MSP5000 "MSP5000" +#define MACHINE_TYPE_MSP4200 "MSP4200" +#define MACHINE_TYPE_MSP7120 "MSP7120" +#define MACHINE_TYPE_MSP7130 "MSP7130" +#define MACHINE_TYPE_OTHER "OTHER" + +#define MACHINE_TYPE_POLO_FPGA "POLO-FPGA" +#define MACHINE_TYPE_DUET_FPGA "DUET-FPGA" +#define MACHINE_TYPE_ZEUS_FPGA "ZEUS_FPGA" +#define MACHINE_TYPE_MSP2000REVB_FPGA "MSP2000REVB-FPGA" +#define MACHINE_TYPE_MSP5000_FPGA "MSP5000-FPGA" +#define MACHINE_TYPE_MSP4200_FPGA "MSP4200-FPGA" +#define MACHINE_TYPE_MSP7100_FPGA "MSP7100-FPGA" +#define MACHINE_TYPE_OTHER_FPGA "OTHER-FPGA" + +/* Device Family definitions */ +#define FAMILY_FPGA 0x0000 +#define FAMILY_ZEUS 0x1000 +#define FAMILY_POLO 0x2000 +#define FAMILY_DUET 0x4000 +#define FAMILY_TRIAD 0x5000 +#define FAMILY_MSP4200 0x4200 +#define FAMILY_MSP4200_FPGA 0x4f00 +#define FAMILY_MSP7100 0x7100 +#define FAMILY_MSP7100_FPGA 0x7f00 + +/* Device Type definitions */ +#define TYPE_MSP7120 0x7120 +#define TYPE_MSP7130 0x7130 + +#define ENET_KEY 'E' +#define ENETTXD_KEY 'e' +#define PCI_KEY 'P' +#define PCIMUX_KEY 'p' +#define SEC_KEY 'S' +#define SPAD_KEY 'D' +#define TDM_KEY 'T' +#define ZSP_KEY 'Z' + +#define FEATURE_NOEXIST '-' +#define FEATURE_EXIST '+' + +#define ENET_MII 'M' +#define ENET_RMII 'R' + +#define ENETTXD_FALLING 'F' +#define ENETTXD_RISING 'R' + +#define PCI_HOST 'H' +#define PCI_PERIPHERAL 'P' + +#define PCIMUX_FULL 'F' +#define PCIMUX_SINGLE 'S' + +#define SEC_DUET 'D' +#define SEC_POLO 'P' +#define SEC_SLOW 'S' +#define SEC_TRIAD 'T' + +#define SPAD_POLO 'P' + +#define TDM_DUET 'D' /* DUET TDMs might exist */ +#define TDM_POLO 'P' /* POLO TDMs might exist */ +#define TDM_TRIAD 'T' /* TRIAD TDMs might exist */ + +#define ZSP_DUET 'D' /* one DUET zsp engine */ +#define ZSP_TRIAD 'T' /* two TRIAD zsp engines */ + +extern char *prom_getcmdline(void); +extern char *prom_getenv(char *name); +extern void prom_init_cmdline(void); +extern void prom_meminit(void); +extern void prom_fixup_mem_map(unsigned long start_mem, + unsigned long end_mem); + +#ifdef CONFIG_MTD_PMC_MSP_RAMROOT +extern bool get_ramroot(void **start, unsigned long *size); +#endif + +extern int get_ethernet_addr(char *ethaddr_name, char *ethernet_addr); +extern unsigned long get_deviceid(void); +extern char identify_enet(unsigned long interface_num); +extern char identify_enetTxD(unsigned long interface_num); +extern char identify_pci(void); +extern char identify_sec(void); +extern char identify_spad(void); +extern char identify_sec(void); +extern char identify_tdm(void); +extern char identify_zsp(void); +extern unsigned long identify_family(void); +extern unsigned long identify_revision(void); + +/* + * The following macro calls prom_printf and puts the format string + * into an init section so it can be reclaimed. + */ +#define ppfinit(f, x...) \ + do { \ + static char _f[] __initdata = KERN_INFO f; \ + printk(_f, ## x); \ + } while (0) + +/* Memory descriptor management. */ +#define PROM_MAX_PMEMBLOCKS 7 /* 6 used */ + +enum yamon_memtypes { + yamon_dontuse, + yamon_prom, + yamon_free, +}; + +struct prom_pmemblock { + unsigned long base; /* Within KSEG0. */ + unsigned int size; /* In bytes. */ + unsigned int type; /* free or prom memory */ +}; + +extern int prom_argc; +extern char **prom_argv; +extern char **prom_envp; +extern int *prom_vec; +extern struct prom_pmemblock *prom_getmdesc(void); + +#endif /* !_ASM_MSP_PROM_H */ diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_regops.h b/include/asm-mips/pmc-sierra/msp71xx/msp_regops.h new file mode 100644 index 00000000000..60a5a38dd5b --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/msp_regops.h @@ -0,0 +1,236 @@ +/* + * SMP/VPE-safe functions to access "registers" (see note). + * + * NOTES: +* - These macros use ll/sc instructions, so it is your responsibility to + * ensure these are available on your platform before including this file. + * - The MIPS32 spec states that ll/sc results are undefined for uncached + * accesses. This means they can't be used on HW registers accessed + * through kseg1. Code which requires these macros for this purpose must + * front-end the registers with cached memory "registers" and have a single + * thread update the actual HW registers. + * - A maximum of 2k of code can be inserted between ll and sc. Every + * memory accesses between the instructions will increase the chance of + * sc failing and having to loop. + * - When using custom_read_reg32/custom_write_reg32 only perform the + * necessary logical operations on the register value in between these + * two calls. All other logic should be performed before the first call. + * - There is a bug on the R10000 chips which has a workaround. If you + * are affected by this bug, make sure to define the symbol 'R10000_LLSC_WAR' + * to be non-zero. If you are using this header from within linux, you may + * include <asm/war.h> before including this file to have this defined + * appropriately for you. + * + * Copyright 2005-2007 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. + */ + +#ifndef __ASM_REGOPS_H__ +#define __ASM_REGOPS_H__ + +#include <linux/types.h> + +#include <asm/war.h> + +#ifndef R10000_LLSC_WAR +#define R10000_LLSC_WAR 0 +#endif + +#if R10000_LLSC_WAR == 1 +#define __beqz "beqzl " +#else +#define __beqz "beqz " +#endif + +#ifndef _LINUX_TYPES_H +typedef unsigned int u32; +#endif + +/* + * Sets all the masked bits to the corresponding value bits + */ +static inline void set_value_reg32(volatile u32 *const addr, + u32 const mask, + u32 const value) +{ + u32 temp; + + __asm__ __volatile__( + " .set push \n" + " .set mips3 \n" + "1: ll %0, %1 # set_value_reg32 \n" + " and %0, %2 \n" + " or %0, %3 \n" + " sc %0, %1 \n" + " "__beqz"%0, 1b \n" + " nop \n" + " .set pop \n" + : "=&r" (temp), "=m" (*addr) + : "ir" (~mask), "ir" (value), "m" (*addr)); +} + +/* + * Sets all the masked bits to '1' + */ +static inline void set_reg32(volatile u32 *const addr, + u32 const mask) +{ + u32 temp; + + __asm__ __volatile__( + " .set push \n" + " .set mips3 \n" + "1: ll %0, %1 # set_reg32 \n" + " or %0, %2 \n" + " sc %0, %1 \n" + " "__beqz"%0, 1b \n" + " nop \n" + " .set pop \n" + : "=&r" (temp), "=m" (*addr) + : "ir" (mask), "m" (*addr)); +} + +/* + * Sets all the masked bits to '0' + */ +static inline void clear_reg32(volatile u32 *const addr, + u32 const mask) +{ + u32 temp; + + __asm__ __volatile__( + " .set push \n" + " .set mips3 \n" + "1: ll %0, %1 # clear_reg32 \n" + " and %0, %2 \n" + " sc %0, %1 \n" + " "__beqz"%0, 1b \n" + " nop \n" + " .set pop \n" + : "=&r" (temp), "=m" (*addr) + : "ir" (~mask), "m" (*addr)); +} + +/* + * Toggles all masked bits from '0' to '1' and '1' to '0' + */ +static inline void toggle_reg32(volatile u32 *const addr, + u32 const mask) +{ + u32 temp; + + __asm__ __volatile__( + " .set push \n" + " .set mips3 \n" + "1: ll %0, %1 # toggle_reg32 \n" + " xor %0, %2 \n" + " sc %0, %1 \n" + " "__beqz"%0, 1b \n" + " nop \n" + " .set pop \n" + : "=&r" (temp), "=m" (*addr) + : "ir" (mask), "m" (*addr)); +} + +/* + * Read all masked bits others are returned as '0' + */ +static inline u32 read_reg32(volatile u32 *const addr, + u32 const mask) +{ + u32 temp; + + __asm__ __volatile__( + " .set push \n" + " .set noreorder \n" + " lw %0, %1 # read \n" + " and %0, %2 # mask \n" + " .set pop \n" + : "=&r" (temp) + : "m" (*addr), "ir" (mask)); + + return temp; +} + +/* + * blocking_read_reg32 - Read address with blocking load + * + * Uncached writes need to be read back to ensure they reach RAM. + * The returned value must be 'used' to prevent from becoming a + * non-blocking load. + */ +static inline u32 blocking_read_reg32(volatile u32 *const addr) +{ + u32 temp; + + __asm__ __volatile__( + " .set push \n" + " .set noreorder \n" + " lw %0, %1 # read \n" + " move %0, %0 # block \n" + " .set pop \n" + : "=&r" (temp) + : "m" (*addr)); + + return temp; +} + +/* + * For special strange cases only: + * + * If you need custom processing within a ll/sc loop, use the following macros + * VERY CAREFULLY: + * + * u32 tmp; <-- Define a variable to hold the data + * + * custom_read_reg32(address, tmp); <-- Reads the address and put the value + * in the 'tmp' variable given + * + * From here on out, you are (basicly) atomic, so don't do anything too + * fancy! + * Also, this code may loop if the end of this block fails to write + * everything back safely due do the other CPU, so do NOT do anything + * with side-effects! + * + * custom_write_reg32(address, tmp); <-- Writes back 'tmp' safely. + */ +#define custom_read_reg32(address, tmp) \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set mips3 \n" \ + "1: ll %0, %1 #custom_read_reg32 \n" \ + " .set pop \n" \ + : "=r" (tmp), "=m" (*address) \ + : "m" (*address)) + +#define custom_write_reg32(address, tmp) \ + __asm__ __volatile__( \ + " .set push \n" \ + " .set mips3 \n" \ + " sc %0, %1 #custom_write_reg32 \n" \ + " "__beqz"%0, 1b \n" \ + " nop \n" \ + " .set pop \n" \ + : "=&r" (tmp), "=m" (*address) \ + : "0" (tmp), "m" (*address)) + +#endif /* __ASM_REGOPS_H__ */ diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_regs.h b/include/asm-mips/pmc-sierra/msp71xx/msp_regs.h new file mode 100644 index 00000000000..0b56f55206c --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/msp_regs.h @@ -0,0 +1,667 @@ +/* + * Defines for the address space, registers and register configuration + * (bit masks, access macros etc) for the PMC-Sierra line of MSP products. + * This file contains addess maps for all the devices in the line of + * products but only has register definitions and configuration masks for + * registers which aren't definitely associated with any device. Things + * like clock settings, reset access, the ELB etc. Individual device + * drivers will reference the appropriate XXX_BASE value defined here + * and have individual registers offset from that. + * + * Copyright (C) 2005-2007 PMC-Sierra, Inc. All rights reserved. + * Author: Andrew Hughes, Andrew_Hughes@pmc-sierra.com + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + +#include <asm/addrspace.h> +#include <linux/types.h> + +#ifndef _ASM_MSP_REGS_H +#define _ASM_MSP_REGS_H + +/* + ######################################################################## + # Address space and device base definitions # + ######################################################################## + */ + +/* + *************************************************************************** + * System Logic and Peripherals (ELB, UART0, etc) device address space * + *************************************************************************** + */ +#define MSP_SLP_BASE 0x1c000000 + /* System Logic and Peripherals */ +#define MSP_RST_BASE (MSP_SLP_BASE + 0x10) + /* System reset register base */ +#define MSP_RST_SIZE 0x0C /* System reset register space */ + +#define MSP_WTIMER_BASE (MSP_SLP_BASE + 0x04C) + /* watchdog timer base */ +#define MSP_ITIMER_BASE (MSP_SLP_BASE + 0x054) + /* internal timer base */ +#define MSP_UART0_BASE (MSP_SLP_BASE + 0x100) + /* UART0 controller base */ +#define MSP_BCPY_CTRL_BASE (MSP_SLP_BASE + 0x120) + /* Block Copy controller base */ +#define MSP_BCPY_DESC_BASE (MSP_SLP_BASE + 0x160) + /* Block Copy descriptor base */ + +/* + *************************************************************************** + * PCI address space * + *************************************************************************** + */ +#define MSP_PCI_BASE 0x19000000 + +/* + *************************************************************************** + * MSbus device address space * + *************************************************************************** + */ +#define MSP_MSB_BASE 0x18000000 + /* MSbus address start */ +#define MSP_PER_BASE (MSP_MSB_BASE + 0x400000) + /* Peripheral device registers */ +#define MSP_MAC0_BASE (MSP_MSB_BASE + 0x600000) + /* MAC A device registers */ +#define MSP_MAC1_BASE (MSP_MSB_BASE + 0x700000) + /* MAC B device registers */ +#define MSP_MAC_SIZE 0xE0 /* MAC register space */ + +#define MSP_SEC_BASE (MSP_MSB_BASE + 0x800000) + /* Security Engine registers */ +#define MSP_MAC2_BASE (MSP_MSB_BASE + 0x900000) + /* MAC C device registers */ +#define MSP_ADSL2_BASE (MSP_MSB_BASE + 0xA80000) + /* ADSL2 device registers */ +#define MSP_USB_BASE (MSP_MSB_BASE + 0xB40000) + /* USB device registers */ +#define MSP_USB_BASE_START (MSP_MSB_BASE + 0xB40100) + /* USB device registers */ +#define MSP_USB_BASE_END (MSP_MSB_BASE + 0xB401FF) + /* USB device registers */ +#define MSP_CPUIF_BASE (MSP_MSB_BASE + 0xC00000) + /* CPU interface registers */ + +/* Devices within the MSbus peripheral block */ +#define MSP_UART1_BASE (MSP_PER_BASE + 0x030) + /* UART1 controller base */ +#define MSP_SPI_BASE (MSP_PER_BASE + 0x058) + /* SPI/MPI control registers */ +#define MSP_TWI_BASE (MSP_PER_BASE + 0x090) + /* Two-wire control registers */ +#define MSP_PTIMER_BASE (MSP_PER_BASE + 0x0F0) + /* Programmable timer control */ + +/* + *************************************************************************** + * Physical Memory configuration address space * + *************************************************************************** + */ +#define MSP_MEM_CFG_BASE 0x17f00000 + +#define MSP_MEM_INDIRECT_CTL_10 0x10 + +/* + * Notes: + * 1) The SPI registers are split into two blocks, one offset from the + * MSP_SPI_BASE by 0x00 and the other offset from the MSP_SPI_BASE by + * 0x68. The SPI driver definitions for the register must be aware + * of this. + * 2) The block copy engine register are divided into two regions, one + * for the control/configuration of the engine proper and one for the + * values of the descriptors used in the copy process. These have + * different base defines (CTRL_BASE vs DESC_BASE) + * 3) These constants are for physical addresses which means that they + * work correctly with "ioremap" and friends. This means that device + * drivers will need to remap these addresses using ioremap and perhaps + * the readw/writew macros. Or they could use the regptr() macro + * defined below, but the readw/writew calls are the correct thing. + * 4) The UARTs have an additional status register offset from the base + * address. This register isn't used in the standard 8250 driver but + * may be used in other software. Consult the hardware datasheet for + * offset details. + * 5) For some unknown reason the security engine (MSP_SEC_BASE) registers + * start at an offset of 0x84 from the base address but the block of + * registers before this is reserved for the security engine. The + * driver will have to be aware of this but it makes the register + * definitions line up better with the documentation. + */ + +/* + ######################################################################## + # System register definitions. Not associated with a specific device # + ######################################################################## + */ + +/* + * This macro maps the physical register number into uncached space + * and (for C code) casts it into a u32 pointer so it can be dereferenced + * Normally these would be accessed with ioremap and readX/writeX, but + * these are convenient for a lot of internal kernel code. + */ +#ifdef __ASSEMBLER__ + #define regptr(addr) (KSEG1ADDR(addr)) +#else + #define regptr(addr) ((volatile u32 *const)(KSEG1ADDR(addr))) +#endif + +/* + *************************************************************************** + * System Logic and Peripherals (RESET, ELB, etc) registers * + *************************************************************************** + */ + +/* System Control register definitions */ +#define DEV_ID_REG regptr(MSP_SLP_BASE + 0x00) + /* Device-ID RO */ +#define FWR_ID_REG regptr(MSP_SLP_BASE + 0x04) + /* Firmware-ID Register RW */ +#define SYS_ID_REG0 regptr(MSP_SLP_BASE + 0x08) + /* System-ID Register-0 RW */ +#define SYS_ID_REG1 regptr(MSP_SLP_BASE + 0x0C) + /* System-ID Register-1 RW */ + +/* System Reset register definitions */ +#define RST_STS_REG regptr(MSP_SLP_BASE + 0x10) + /* System Reset Status RO */ +#define RST_SET_REG regptr(MSP_SLP_BASE + 0x14) + /* System Set Reset WO */ +#define RST_CLR_REG regptr(MSP_SLP_BASE + 0x18) + /* System Clear Reset WO */ + +/* System Clock Registers */ +#define PCI_SLP_REG regptr(MSP_SLP_BASE + 0x1C) + /* PCI clock generator RW */ +#define URT_SLP_REG regptr(MSP_SLP_BASE + 0x20) + /* UART clock generator RW */ +/* reserved (MSP_SLP_BASE + 0x24) */ +/* reserved (MSP_SLP_BASE + 0x28) */ +#define PLL1_SLP_REG regptr(MSP_SLP_BASE + 0x2C) + /* PLL1 clock generator RW */ +#define PLL0_SLP_REG regptr(MSP_SLP_BASE + 0x30) + /* PLL0 clock generator RW */ +#define MIPS_SLP_REG regptr(MSP_SLP_BASE + 0x34) + /* MIPS clock generator RW */ +#define VE_SLP_REG regptr(MSP_SLP_BASE + 0x38) + /* Voice Eng clock generator RW */ +/* reserved (MSP_SLP_BASE + 0x3C) */ +#define MSB_SLP_REG regptr(MSP_SLP_BASE + 0x40) + /* MS-Bus clock generator RW */ +#define SMAC_SLP_REG regptr(MSP_SLP_BASE + 0x44) + /* Sec & MAC clock generator RW */ +#define PERF_SLP_REG regptr(MSP_SLP_BASE + 0x48) + /* Per & TDM clock generator RW */ + +/* Interrupt Controller Registers */ +#define SLP_INT_STS_REG regptr(MSP_SLP_BASE + 0x70) + /* Interrupt status register RW */ +#define SLP_INT_MSK_REG regptr(MSP_SLP_BASE + 0x74) + /* Interrupt enable/mask RW */ +#define SE_MBOX_REG regptr(MSP_SLP_BASE + 0x78) + /* Security Engine mailbox RW */ +#define VE_MBOX_REG regptr(MSP_SLP_BASE + 0x7C) + /* Voice Engine mailbox RW */ + +/* ELB Controller Registers */ +#define CS0_CNFG_REG regptr(MSP_SLP_BASE + 0x80) + /* ELB CS0 Configuration Reg */ +#define CS0_ADDR_REG regptr(MSP_SLP_BASE + 0x84) + /* ELB CS0 Base Address Reg */ +#define CS0_MASK_REG regptr(MSP_SLP_BASE + 0x88) + /* ELB CS0 Mask Register */ +#define CS0_ACCESS_REG regptr(MSP_SLP_BASE + 0x8C) + /* ELB CS0 access register */ + +#define CS1_CNFG_REG regptr(MSP_SLP_BASE + 0x90) + /* ELB CS1 Configuration Reg */ +#define CS1_ADDR_REG regptr(MSP_SLP_BASE + 0x94) + /* ELB CS1 Base Address Reg */ +#define CS1_MASK_REG regptr(MSP_SLP_BASE + 0x98) + /* ELB CS1 Mask Register */ +#define CS1_ACCESS_REG regptr(MSP_SLP_BASE + 0x9C) + /* ELB CS1 access register */ + +#define CS2_CNFG_REG regptr(MSP_SLP_BASE + 0xA0) + /* ELB CS2 Configuration Reg */ +#define CS2_ADDR_REG regptr(MSP_SLP_BASE + 0xA4) + /* ELB CS2 Base Address Reg */ +#define CS2_MASK_REG regptr(MSP_SLP_BASE + 0xA8) + /* ELB CS2 Mask Register */ +#define CS2_ACCESS_REG regptr(MSP_SLP_BASE + 0xAC) + /* ELB CS2 access register */ + +#define CS3_CNFG_REG regptr(MSP_SLP_BASE + 0xB0) + /* ELB CS3 Configuration Reg */ +#define CS3_ADDR_REG regptr(MSP_SLP_BASE + 0xB4) + /* ELB CS3 Base Address Reg */ +#define CS3_MASK_REG regptr(MSP_SLP_BASE + 0xB8) + /* ELB CS3 Mask Register */ +#define CS3_ACCESS_REG regptr(MSP_SLP_BASE + 0xBC) + /* ELB CS3 access register */ + +#define CS4_CNFG_REG regptr(MSP_SLP_BASE + 0xC0) + /* ELB CS4 Configuration Reg */ +#define CS4_ADDR_REG regptr(MSP_SLP_BASE + 0xC4) + /* ELB CS4 Base Address Reg */ +#define CS4_MASK_REG regptr(MSP_SLP_BASE + 0xC8) + /* ELB CS4 Mask Register */ +#define CS4_ACCESS_REG regptr(MSP_SLP_BASE + 0xCC) + /* ELB CS4 access register */ + +#define CS5_CNFG_REG regptr(MSP_SLP_BASE + 0xD0) + /* ELB CS5 Configuration Reg */ +#define CS5_ADDR_REG regptr(MSP_SLP_BASE + 0xD4) + /* ELB CS5 Base Address Reg */ +#define CS5_MASK_REG regptr(MSP_SLP_BASE + 0xD8) + /* ELB CS5 Mask Register */ +#define CS5_ACCESS_REG regptr(MSP_SLP_BASE + 0xDC) + /* ELB CS5 access register */ + +/* reserved 0xE0 - 0xE8 */ +#define ELB_1PC_EN_REG regptr(MSP_SLP_BASE + 0xEC) + /* ELB single PC card detect */ + +/* reserved 0xF0 - 0xF8 */ +#define ELB_CLK_CFG_REG regptr(MSP_SLP_BASE + 0xFC) + /* SDRAM read/ELB timing Reg */ + +/* Extended UART status registers */ +#define UART0_STATUS_REG regptr(MSP_UART0_BASE + 0x0c0) + /* UART Status Register 0 */ +#define UART1_STATUS_REG regptr(MSP_UART1_BASE + 0x170) + /* UART Status Register 1 */ + +/* Performance monitoring registers */ +#define PERF_MON_CTRL_REG regptr(MSP_SLP_BASE + 0x140) + /* Performance monitor control */ +#define PERF_MON_CLR_REG regptr(MSP_SLP_BASE + 0x144) + /* Performance monitor clear */ +#define PERF_MON_CNTH_REG regptr(MSP_SLP_BASE + 0x148) + /* Perf monitor counter high */ +#define PERF_MON_CNTL_REG regptr(MSP_SLP_BASE + 0x14C) + /* Perf monitor counter low */ + +/* System control registers */ +#define SYS_CTRL_REG regptr(MSP_SLP_BASE + 0x150) + /* System control register */ +#define SYS_ERR1_REG regptr(MSP_SLP_BASE + 0x154) + /* System Error status 1 */ +#define SYS_ERR2_REG regptr(MSP_SLP_BASE + 0x158) + /* System Error status 2 */ +#define SYS_INT_CFG_REG regptr(MSP_SLP_BASE + 0x15C) + /* System Interrupt config */ + +/* Voice Engine Memory configuration */ +#define VE_MEM_REG regptr(MSP_SLP_BASE + 0x17C) + /* Voice engine memory config */ + +/* CPU/SLP Error Status registers */ +#define CPU_ERR1_REG regptr(MSP_SLP_BASE + 0x180) + /* CPU/SLP Error status 1 */ +#define CPU_ERR2_REG regptr(MSP_SLP_BASE + 0x184) + /* CPU/SLP Error status 1 */ + +#define EXTENDED_GPIO_REG regptr(MSP_SLP_BASE + 0x188) + /* Extended GPIO register */ + +/* System Error registers */ +#define SLP_ERR_STS_REG regptr(MSP_SLP_BASE + 0x190) + /* Int status for SLP errors */ +#define SLP_ERR_MSK_REG regptr(MSP_SLP_BASE + 0x194) + /* Int mask for SLP errors */ +#define SLP_ELB_ERST_REG regptr(MSP_SLP_BASE + 0x198) + /* External ELB reset */ +#define SLP_BOOT_STS_REG regptr(MSP_SLP_BASE + 0x19C) + /* Boot Status */ + +/* Extended ELB addressing */ +#define CS0_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1A0) + /* CS0 Extended address */ +#define CS1_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1A4) + /* CS1 Extended address */ +#define CS2_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1A8) + /* CS2 Extended address */ +#define CS3_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1AC) + /* CS3 Extended address */ +/* reserved 0x1B0 */ +#define CS5_EXT_ADDR_REG regptr(MSP_SLP_BASE + 0x1B4) + /* CS5 Extended address */ + +/* PLL Adjustment registers */ +#define PLL_LOCK_REG regptr(MSP_SLP_BASE + 0x200) + /* PLL0 lock status */ +#define PLL_ARST_REG regptr(MSP_SLP_BASE + 0x204) + /* PLL Analog reset status */ +#define PLL0_ADJ_REG regptr(MSP_SLP_BASE + 0x208) + /* PLL0 Adjustment value */ +#define PLL1_ADJ_REG regptr(MSP_SLP_BASE + 0x20C) + /* PLL1 Adjustment value */ + +/* + *************************************************************************** + * Peripheral Register definitions * + *************************************************************************** + */ + +/* Peripheral status */ +#define PER_CTRL_REG regptr(MSP_PER_BASE + 0x50) + /* Peripheral control register */ +#define PER_STS_REG regptr(MSP_PER_BASE + 0x54) + /* Peripheral status register */ + +/* SPI/MPI Registers */ +#define SMPI_TX_SZ_REG regptr(MSP_PER_BASE + 0x58) + /* SPI/MPI Tx Size register */ +#define SMPI_RX_SZ_REG regptr(MSP_PER_BASE + 0x5C) + /* SPI/MPI Rx Size register */ +#define SMPI_CTL_REG regptr(MSP_PER_BASE + 0x60) + /* SPI/MPI Control register */ +#define SMPI_MS_REG regptr(MSP_PER_BASE + 0x64) + /* SPI/MPI Chip Select reg */ +#define SMPI_CORE_DATA_REG regptr(MSP_PER_BASE + 0xC0) + /* SPI/MPI Core Data reg */ +#define SMPI_CORE_CTRL_REG regptr(MSP_PER_BASE + 0xC4) + /* SPI/MPI Core Control reg */ +#define SMPI_CORE_STAT_REG regptr(MSP_PER_BASE + 0xC8) + /* SPI/MPI Core Status reg */ +#define SMPI_CORE_SSEL_REG regptr(MSP_PER_BASE + 0xCC) + /* SPI/MPI Core Ssel reg */ +#define SMPI_FIFO_REG regptr(MSP_PER_BASE + 0xD0) + /* SPI/MPI Data FIFO reg */ + +/* Peripheral Block Error Registers */ +#define PER_ERR_STS_REG regptr(MSP_PER_BASE + 0x70) + /* Error Bit Status Register */ +#define PER_ERR_MSK_REG regptr(MSP_PER_BASE + 0x74) + /* Error Bit Mask Register */ +#define PER_HDR1_REG regptr(MSP_PER_BASE + 0x78) + /* Error Header 1 Register */ +#define PER_HDR2_REG regptr(MSP_PER_BASE + 0x7C) + /* Error Header 2 Register */ + +/* Peripheral Block Interrupt Registers */ +#define PER_INT_STS_REG regptr(MSP_PER_BASE + 0x80) + /* Interrupt status register */ +#define PER_INT_MSK_REG regptr(MSP_PER_BASE + 0x84) + /* Interrupt Mask Register */ +#define GPIO_INT_STS_REG regptr(MSP_PER_BASE + 0x88) + /* GPIO interrupt status reg */ +#define GPIO_INT_MSK_REG regptr(MSP_PER_BASE + 0x8C) + /* GPIO interrupt MASK Reg */ + +/* POLO GPIO registers */ +#define POLO_GPIO_DAT1_REG regptr(MSP_PER_BASE + 0x0E0) + /* Polo GPIO[8:0] data reg */ +#define POLO_GPIO_CFG1_REG regptr(MSP_PER_BASE + 0x0E4) + /* Polo GPIO[7:0] config reg */ +#define POLO_GPIO_CFG2_REG regptr(MSP_PER_BASE + 0x0E8) + /* Polo GPIO[15:8] config reg */ +#define POLO_GPIO_OD1_REG regptr(MSP_PER_BASE + 0x0EC) + /* Polo GPIO[31:0] output drive */ +#define POLO_GPIO_CFG3_REG regptr(MSP_PER_BASE + 0x170) + /* Polo GPIO[23:16] config reg */ +#define POLO_GPIO_DAT2_REG regptr(MSP_PER_BASE + 0x174) + /* Polo GPIO[15:9] data reg */ +#define POLO_GPIO_DAT3_REG regptr(MSP_PER_BASE + 0x178) + /* Polo GPIO[23:16] data reg */ +#define POLO_GPIO_DAT4_REG regptr(MSP_PER_BASE + 0x17C) + /* Polo GPIO[31:24] data reg */ +#define POLO_GPIO_DAT5_REG regptr(MSP_PER_BASE + 0x180) + /* Polo GPIO[39:32] data reg */ +#define POLO_GPIO_DAT6_REG regptr(MSP_PER_BASE + 0x184) + /* Polo GPIO[47:40] data reg */ +#define POLO_GPIO_DAT7_REG regptr(MSP_PER_BASE + 0x188) + /* Polo GPIO[54:48] data reg */ +#define POLO_GPIO_CFG4_REG regptr(MSP_PER_BASE + 0x18C) + /* Polo GPIO[31:24] config reg */ +#define POLO_GPIO_CFG5_REG regptr(MSP_PER_BASE + 0x190) + /* Polo GPIO[39:32] config reg */ +#define POLO_GPIO_CFG6_REG regptr(MSP_PER_BASE + 0x194) + /* Polo GPIO[47:40] config reg */ +#define POLO_GPIO_CFG7_REG regptr(MSP_PER_BASE + 0x198) + /* Polo GPIO[54:48] config reg */ +#define POLO_GPIO_OD2_REG regptr(MSP_PER_BASE + 0x19C) + /* Polo GPIO[54:32] output drive */ + +/* Generic GPIO registers */ +#define GPIO_DATA1_REG regptr(MSP_PER_BASE + 0x170) + /* GPIO[1:0] data register */ +#define GPIO_DATA2_REG regptr(MSP_PER_BASE + 0x174) + /* GPIO[5:2] data register */ +#define GPIO_DATA3_REG regptr(MSP_PER_BASE + 0x178) + /* GPIO[9:6] data register */ +#define GPIO_DATA4_REG regptr(MSP_PER_BASE + 0x17C) + /* GPIO[15:10] data register */ +#define GPIO_CFG1_REG regptr(MSP_PER_BASE + 0x180) + /* GPIO[1:0] config register */ +#define GPIO_CFG2_REG regptr(MSP_PER_BASE + 0x184) + /* GPIO[5:2] config register */ +#define GPIO_CFG3_REG regptr(MSP_PER_BASE + 0x188) + /* GPIO[9:6] config register */ +#define GPIO_CFG4_REG regptr(MSP_PER_BASE + 0x18C) + /* GPIO[15:10] config register */ +#define GPIO_OD_REG regptr(MSP_PER_BASE + 0x190) + /* GPIO[15:0] output drive */ + +/* + *************************************************************************** + * CPU Interface register definitions * + *************************************************************************** + */ +#define PCI_FLUSH_REG regptr(MSP_CPUIF_BASE + 0x00) + /* PCI-SDRAM queue flush trigger */ +#define OCP_ERR1_REG regptr(MSP_CPUIF_BASE + 0x04) + /* OCP Error Attribute 1 */ +#define OCP_ERR2_REG regptr(MSP_CPUIF_BASE + 0x08) + /* OCP Error Attribute 2 */ +#define OCP_STS_REG regptr(MSP_CPUIF_BASE + 0x0C) + /* OCP Error Status */ +#define CPUIF_PM_REG regptr(MSP_CPUIF_BASE + 0x10) + /* CPU policy configuration */ +#define CPUIF_CFG_REG regptr(MSP_CPUIF_BASE + 0x10) + /* Misc configuration options */ + +/* Central Interrupt Controller Registers */ +#define MSP_CIC_BASE (MSP_CPUIF_BASE + 0x8000) + /* Central Interrupt registers */ +#define CIC_EXT_CFG_REG regptr(MSP_CIC_BASE + 0x00) + /* External interrupt config */ +#define CIC_STS_REG regptr(MSP_CIC_BASE + 0x04) + /* CIC Interrupt Status */ +#define CIC_VPE0_MSK_REG regptr(MSP_CIC_BASE + 0x08) + /* VPE0 Interrupt Mask */ +#define CIC_VPE1_MSK_REG regptr(MSP_CIC_BASE + 0x0C) + /* VPE1 Interrupt Mask */ +#define CIC_TC0_MSK_REG regptr(MSP_CIC_BASE + 0x10) + /* Thread Context 0 Int Mask */ +#define CIC_TC1_MSK_REG regptr(MSP_CIC_BASE + 0x14) + /* Thread Context 1 Int Mask */ +#define CIC_TC2_MSK_REG regptr(MSP_CIC_BASE + 0x18) + /* Thread Context 2 Int Mask */ +#define CIC_TC3_MSK_REG regptr(MSP_CIC_BASE + 0x18) + /* Thread Context 3 Int Mask */ +#define CIC_TC4_MSK_REG regptr(MSP_CIC_BASE + 0x18) + /* Thread Context 4 Int Mask */ +#define CIC_PCIMSI_STS_REG regptr(MSP_CIC_BASE + 0x18) +#define CIC_PCIMSI_MSK_REG regptr(MSP_CIC_BASE + 0x18) +#define CIC_PCIFLSH_REG regptr(MSP_CIC_BASE + 0x18) +#define CIC_VPE0_SWINT_REG regptr(MSP_CIC_BASE + 0x08) + + +/* + *************************************************************************** + * Memory controller registers * + *************************************************************************** + */ +#define MEM_CFG1_REG regptr(MSP_MEM_CFG_BASE + 0x00) +#define MEM_SS_ADDR regptr(MSP_MEM_CFG_BASE + 0x00) +#define MEM_SS_DATA regptr(MSP_MEM_CFG_BASE + 0x04) +#define MEM_SS_WRITE regptr(MSP_MEM_CFG_BASE + 0x08) + +/* + *************************************************************************** + * PCI controller registers * + *************************************************************************** + */ +#define PCI_BASE_REG regptr(MSP_PCI_BASE + 0x00) +#define PCI_CONFIG_SPACE_REG regptr(MSP_PCI_BASE + 0x800) +#define PCI_JTAG_DEVID_REG regptr(MSP_SLP_BASE + 0x13c) + +/* + ######################################################################## + # Register content & macro definitions # + ######################################################################## + */ + +/* + *************************************************************************** + * DEV_ID defines * + *************************************************************************** + */ +#define DEV_ID_PCI_DIS (1 << 26) /* Set if PCI disabled */ +#define DEV_ID_PCI_HOST (1 << 20) /* Set if PCI host */ +#define DEV_ID_SINGLE_PC (1 << 19) /* Set if single PC Card */ +#define DEV_ID_FAMILY (0xff << 8) /* family ID code */ +#define POLO_ZEUS_SUB_FAMILY (0x7 << 16) /* sub family for Polo/Zeus */ + +#define MSPFPGA_ID (0x00 << 8) /* you are on your own here */ +#define MSP5000_ID (0x50 << 8) +#define MSP4F00_ID (0x4f << 8) /* FPGA version of MSP4200 */ +#define MSP4E00_ID (0x4f << 8) /* FPGA version of MSP7120 */ +#define MSP4200_ID (0x42 << 8) +#define MSP4000_ID (0x40 << 8) +#define MSP2XXX_ID (0x20 << 8) +#define MSPZEUS_ID (0x10 << 8) + +#define MSP2004_SUB_ID (0x0 << 16) +#define MSP2005_SUB_ID (0x1 << 16) +#define MSP2006_SUB_ID (0x1 << 16) +#define MSP2007_SUB_ID (0x2 << 16) +#define MSP2010_SUB_ID (0x3 << 16) +#define MSP2015_SUB_ID (0x4 << 16) +#define MSP2020_SUB_ID (0x5 << 16) +#define MSP2100_SUB_ID (0x6 << 16) + +/* + *************************************************************************** + * RESET defines * + *************************************************************************** + */ +#define MSP_GR_RST (0x01 << 0) /* Global reset bit */ +#define MSP_MR_RST (0x01 << 1) /* MIPS reset bit */ +#define MSP_PD_RST (0x01 << 2) /* PVC DMA reset bit */ +#define MSP_PP_RST (0x01 << 3) /* PVC reset bit */ +/* reserved */ +#define MSP_EA_RST (0x01 << 6) /* Mac A reset bit */ +#define MSP_EB_RST (0x01 << 7) /* Mac B reset bit */ +#define MSP_SE_RST (0x01 << 8) /* Security Eng reset bit */ +#define MSP_PB_RST (0x01 << 9) /* Per block reset bit */ +#define MSP_EC_RST (0x01 << 10) /* Mac C reset bit */ +#define MSP_TW_RST (0x01 << 11) /* TWI reset bit */ +#define MSP_SPI_RST (0x01 << 12) /* SPI/MPI reset bit */ +#define MSP_U1_RST (0x01 << 13) /* UART1 reset bit */ +#define MSP_U0_RST (0x01 << 14) /* UART0 reset bit */ + +/* + *************************************************************************** + * UART defines * + *************************************************************************** + */ +#ifndef CONFIG_MSP_FPGA +#define MSP_BASE_BAUD 25000000 +#else +#define MSP_BASE_BAUD 6000000 +#endif +#define MSP_UART_REG_LEN 0x20 + +/* + *************************************************************************** + * ELB defines * + *************************************************************************** + */ +#define PCCARD_32 0x02 /* Set if is PCCARD 32 (Cardbus) */ +#define SINGLE_PCCARD 0x01 /* Set to enable single PC card */ + +/* + *************************************************************************** + * CIC defines * + *************************************************************************** + */ + +/* CIC_EXT_CFG_REG */ +#define EXT_INT_POL(eirq) (1 << (eirq + 8)) +#define EXT_INT_EDGE(eirq) (1 << eirq) + +#define CIC_EXT_SET_TRIGGER_LEVEL(reg, eirq) (reg &= ~EXT_INT_EDGE(eirq)) +#define CIC_EXT_SET_TRIGGER_EDGE(reg, eirq) (reg |= EXT_INT_EDGE(eirq)) +#define CIC_EXT_SET_ACTIVE_HI(reg, eirq) (reg |= EXT_INT_POL(eirq)) +#define CIC_EXT_SET_ACTIVE_LO(reg, eirq) (reg &= ~EXT_INT_POL(eirq)) +#define CIC_EXT_SET_ACTIVE_RISING CIC_EXT_SET_ACTIVE_HI +#define CIC_EXT_SET_ACTIVE_FALLING CIC_EXT_SET_ACTIVE_LO + +#define CIC_EXT_IS_TRIGGER_LEVEL(reg, eirq) \ + ((reg & EXT_INT_EDGE(eirq)) == 0) +#define CIC_EXT_IS_TRIGGER_EDGE(reg, eirq) (reg & EXT_INT_EDGE(eirq)) +#define CIC_EXT_IS_ACTIVE_HI(reg, eirq) (reg & EXT_INT_POL(eirq)) +#define CIC_EXT_IS_ACTIVE_LO(reg, eirq) \ + ((reg & EXT_INT_POL(eirq)) == 0) +#define CIC_EXT_IS_ACTIVE_RISING CIC_EXT_IS_ACTIVE_HI +#define CIC_EXT_IS_ACTIVE_FALLING CIC_EXT_IS_ACTIVE_LO + +/* + *************************************************************************** + * Memory Controller defines * + *************************************************************************** + */ + +/* Indirect memory controller registers */ +#define DDRC_CFG(n) (n) +#define DDRC_DEBUG(n) (0x04 + n) +#define DDRC_CTL(n) (0x40 + n) + +/* Macro to perform DDRC indirect write */ +#define DDRC_INDIRECT_WRITE(reg, mask, value) \ +({ \ + *MEM_SS_ADDR = (((mask) & 0xf) << 8) | ((reg) & 0xff); \ + *MEM_SS_DATA = (value); \ + *MEM_SS_WRITE = 1; \ +}) + +/* + *************************************************************************** + * SPI/MPI Mode * + *************************************************************************** + */ +#define SPI_MPI_RX_BUSY 0x00008000 /* SPI/MPI Receive Busy */ +#define SPI_MPI_FIFO_EMPTY 0x00004000 /* SPI/MPI Fifo Empty */ +#define SPI_MPI_TX_BUSY 0x00002000 /* SPI/MPI Transmit Busy */ +#define SPI_MPI_FIFO_FULL 0x00001000 /* SPI/MPU FIFO full */ + +/* + *************************************************************************** + * SPI/MPI Control Register * + *************************************************************************** + */ +#define SPI_MPI_RX_START 0x00000004 /* Start receive command */ +#define SPI_MPI_FLUSH_Q 0x00000002 /* Flush SPI/MPI Queue */ +#define SPI_MPI_TX_START 0x00000001 /* Start Transmit Command */ + +#endif /* !_ASM_MSP_REGS_H */ diff --git a/include/asm-mips/pmc-sierra/msp71xx/msp_slp_int.h b/include/asm-mips/pmc-sierra/msp71xx/msp_slp_int.h new file mode 100644 index 00000000000..96d4c8ce8c8 --- /dev/null +++ b/include/asm-mips/pmc-sierra/msp71xx/msp_slp_int.h @@ -0,0 +1,141 @@ +/* + * Defines for the MSP interrupt controller. + * + * Copyright (C) 1999 MIPS Technologies, Inc. All rights reserved. + * Author: Carsten Langgaard, carstenl@mips.com + * + * ######################################################################## + * + * This program is free software; you can distribute it and/or modify it + * under the terms of the GNU General Public License (Version 2) as + * published by the Free Software Foundation. + * + * This program is distributed in the hope it will be useful, but WITHOUT + * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or + * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License + * for more details. + * + * 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., + * 59 Temple Place - Suite 330, Boston MA 02111-1307, USA. + * + * ######################################################################## + */ + +#ifndef _MSP_SLP_INT_H +#define _MSP_SLP_INT_H + +/* + * The PMC-Sierra SLP 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. + */ + +/* + * IRQs directly connected to CPU + */ +#define MSP_MIPS_INTBASE 0 +#define MSP_INT_SW0 0 /* IRQ for swint0, C_SW0 */ +#define MSP_INT_SW1 1 /* IRQ for swint1, C_SW1 */ +#define MSP_INT_MAC0 2 /* IRQ for MAC 0, C_IRQ0 */ +#define MSP_INT_MAC1 3 /* IRQ for MAC 1, C_IRQ1 */ +#define MSP_INT_C_IRQ2 4 /* Wired off, C_IRQ2 */ +#define MSP_INT_VE 5 /* IRQ for Voice Engine, C_IRQ3 */ +#define MSP_INT_SLP 6 /* IRQ for SLM block, C_IRQ4 */ +#define MSP_INT_TIMER 7 /* IRQ for the MIPS timer, C_IRQ5 */ + +/* + * IRQs cascaded on CPU interrupt 4 (CAUSE bit 12, C_IRQ4) + * These defines should be tied to the register definition for the SLM + * interrupt routine. For now, just use hard-coded values. + */ +#define MSP_SLP_INTBASE (MSP_MIPS_INTBASE + 8) +#define MSP_INT_EXT0 (MSP_SLP_INTBASE + 0) + /* External interrupt 0 */ +#define MSP_INT_EXT1 (MSP_SLP_INTBASE + 1) + /* External interrupt 1 */ +#define MSP_INT_EXT2 (MSP_SLP_INTBASE + 2) + /* External interrupt 2 */ +#define MSP_INT_EXT3 (MSP_SLP_INTBASE + 3) + /* External interrupt 3 */ +/* Reserved 4-7 */ + +/* + ************************************************************************* + * DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER/DANGER * + * Some MSP produces have this interrupt labelled as Voice and some are * + * SEC mbox ... * + ************************************************************************* + */ +#define MSP_INT_SLP_VE (MSP_SLP_INTBASE + 8) + /* Cascaded IRQ for Voice Engine*/ +#define MSP_INT_SLP_TDM (MSP_SLP_INTBASE + 9) + /* TDM interrupt */ +#define MSP_INT_SLP_MAC0 (MSP_SLP_INTBASE + 10) + /* Cascaded IRQ for MAC 0 */ +#define MSP_INT_SLP_MAC1 (MSP_SLP_INTBASE + 11) + /* Cascaded IRQ for MAC 1 */ +#define MSP_INT_SEC (MSP_SLP_INTBASE + 12) + /* IRQ for security engine */ +#define MSP_INT_PER (MSP_SLP_INTBASE + 13) + /* Peripheral interrupt */ +#define MSP_INT_TIMER0 (MSP_SLP_INTBASE + 14) + /* SLP timer 0 */ +#define MSP_INT_TIMER1 (MSP_SLP_INTBASE + 15) + /* SLP timer 1 */ +#define MSP_INT_TIMER2 (MSP_SLP_INTBASE + 16) + /* SLP timer 2 */ +#define MSP_INT_SLP_TIMER (MSP_SLP_INTBASE + 17) + /* Cascaded MIPS timer */ +#define MSP_INT_BLKCP (MSP_SLP_INTBASE + 18) + /* Block Copy */ +#define MSP_INT_UART0 (MSP_SLP_INTBASE + 19) + /* UART 0 */ +#define MSP_INT_PCI (MSP_SLP_INTBASE + 20) + /* PCI subsystem */ +#define MSP_INT_PCI_DBELL (MSP_SLP_INTBASE + 21) + /* PCI doorbell */ +#define MSP_INT_PCI_MSI (MSP_SLP_INTBASE + 22) + /* PCI Message Signal */ +#define MSP_INT_PCI_BC0 (MSP_SLP_INTBASE + 23) + /* PCI Block Copy 0 */ +#define MSP_INT_PCI_BC1 (MSP_SLP_INTBASE + 24) + /* PCI Block Copy 1 */ +#define MSP_INT_SLP_ERR (MSP_SLP_INTBASE + 25) + /* SLP error condition */ +#define MSP_INT_MAC2 (MSP_SLP_INTBASE + 26) + /* IRQ for MAC2 */ +/* Reserved 26-31 */ + +/* + * IRQs cascaded on SLP PER interrupt (MSP_INT_PER) + */ +#define MSP_PER_INTBASE (MSP_SLP_INTBASE + 32) +/* Reserved 0-1 */ +#define MSP_INT_UART1 (MSP_PER_INTBASE + 2) + /* UART 1 */ +/* Reserved 3-5 */ +#define MSP_INT_2WIRE (MSP_PER_INTBASE + 6) + /* 2-wire */ +#define MSP_INT_TM0 (MSP_PER_INTBASE + 7) + /* Peripheral timer block out 0 */ +#define MSP_INT_TM1 (MSP_PER_INTBASE + 8) + /* Peripheral timer block out 1 */ +/* Reserved 9 */ +#define MSP_INT_SPRX (MSP_PER_INTBASE + 10) + /* SPI RX complete */ +#define MSP_INT_SPTX (MSP_PER_INTBASE + 11) + /* SPI TX complete */ +#define MSP_INT_GPIO (MSP_PER_INTBASE + 12) + /* GPIO */ +#define MSP_INT_PER_ERR (MSP_PER_INTBASE + 13) + /* Peripheral error */ +/* Reserved 14-31 */ + +#endif /* !_MSP_SLP_INT_H */ |