diff options
Diffstat (limited to 'arch/sh/boards/se/73180')
| -rw-r--r-- | arch/sh/boards/se/73180/Makefile | 7 | ||||
| -rw-r--r-- | arch/sh/boards/se/73180/io.c | 265 | ||||
| -rw-r--r-- | arch/sh/boards/se/73180/irq.c | 137 | ||||
| -rw-r--r-- | arch/sh/boards/se/73180/led.c | 67 | ||||
| -rw-r--r-- | arch/sh/boards/se/73180/setup.c | 68 |
5 files changed, 544 insertions, 0 deletions
diff --git a/arch/sh/boards/se/73180/Makefile b/arch/sh/boards/se/73180/Makefile new file mode 100644 index 000000000000..8f63886a0f3f --- /dev/null +++ b/arch/sh/boards/se/73180/Makefile @@ -0,0 +1,7 @@ +# +# Makefile for the 73180 SolutionEngine specific parts of the kernel +# + +obj-y := setup.o io.o irq.o + +obj-$(CONFIG_HEARTBEAT) += led.o diff --git a/arch/sh/boards/se/73180/io.c b/arch/sh/boards/se/73180/io.c new file mode 100644 index 000000000000..73648cbe3678 --- /dev/null +++ b/arch/sh/boards/se/73180/io.c @@ -0,0 +1,265 @@ +/* + * arch/sh/boards/se/73180/io.c + * + * Copyright (C) 2003 YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * Based on arch/sh/boards/se/7300/io.c + * + * I/O routine for SH-Mobile3 73180 SolutionEngine. + * + */ + +#include <linux/config.h> +#include <linux/kernel.h> +#include <asm/mach/se73180.h> +#include <asm/io.h> + +#define badio(fn, a) panic("bad i/o operation %s for %08lx.", #fn, a) + +struct iop { + unsigned long start, end; + unsigned long base; + struct iop *(*check) (struct iop * p, unsigned long port); + unsigned char (*inb) (struct iop * p, unsigned long port); + unsigned short (*inw) (struct iop * p, unsigned long port); + void (*outb) (struct iop * p, unsigned char value, unsigned long port); + void (*outw) (struct iop * p, unsigned short value, unsigned long port); +}; + +struct iop * +simple_check(struct iop *p, unsigned long port) +{ + if ((p->start <= port) && (port <= p->end)) + return p; + else + badio(check, port); +} + +struct iop * +ide_check(struct iop *p, unsigned long port) +{ + if (((0x1f0 <= port) && (port <= 0x1f7)) || (port == 0x3f7)) + return p; + return NULL; +} + +unsigned char +simple_inb(struct iop *p, unsigned long port) +{ + return *(unsigned char *) (p->base + port); +} + +unsigned short +simple_inw(struct iop *p, unsigned long port) +{ + return *(unsigned short *) (p->base + port); +} + +void +simple_outb(struct iop *p, unsigned char value, unsigned long port) +{ + *(unsigned char *) (p->base + port) = value; +} + +void +simple_outw(struct iop *p, unsigned short value, unsigned long port) +{ + *(unsigned short *) (p->base + port) = value; +} + +unsigned char +pcc_inb(struct iop *p, unsigned long port) +{ + unsigned long addr = p->base + port + 0x40000; + unsigned long v; + + if (port & 1) + addr += 0x00400000; + v = *(volatile unsigned char *) addr; + return v; +} + +void +pcc_outb(struct iop *p, unsigned char value, unsigned long port) +{ + unsigned long addr = p->base + port + 0x40000; + + if (port & 1) + addr += 0x00400000; + *(volatile unsigned char *) addr = value; +} + +unsigned char +bad_inb(struct iop *p, unsigned long port) +{ + badio(inb, port); +} + +void +bad_outb(struct iop *p, unsigned char value, unsigned long port) +{ + badio(inw, port); +} + +/* MSTLANEX01 LAN at 0xb400:0000 */ +static struct iop laniop = { + .start = 0x300, + .end = 0x30f, + .base = 0xb4000000, + .check = simple_check, + .inb = simple_inb, + .inw = simple_inw, + .outb = simple_outb, + .outw = simple_outw, +}; + +/* NE2000 pc card NIC */ +static struct iop neiop = { + .start = 0x280, + .end = 0x29f, + .base = 0xb0600000 + 0x80, /* soft 0x280 -> hard 0x300 */ + .check = simple_check, + .inb = pcc_inb, + .inw = simple_inw, + .outb = pcc_outb, + .outw = simple_outw, +}; + +/* CF in CF slot */ +static struct iop cfiop = { + .base = 0xb0600000, + .check = ide_check, + .inb = pcc_inb, + .inw = simple_inw, + .outb = pcc_outb, + .outw = simple_outw, +}; + +static __inline__ struct iop * +port2iop(unsigned long port) +{ + if (0) ; +#if defined(CONFIG_SMC91111) + else if (laniop.check(&laniop, port)) + return &laniop; +#endif +#if defined(CONFIG_NE2000) + else if (neiop.check(&neiop, port)) + return &neiop; +#endif +#if defined(CONFIG_IDE) + else if (cfiop.check(&cfiop, port)) + return &cfiop; +#endif + else + return &neiop; /* fallback */ +} + +static inline void +delay(void) +{ + ctrl_inw(0xac000000); + ctrl_inw(0xac000000); +} + +unsigned char +sh73180se_inb(unsigned long port) +{ + struct iop *p = port2iop(port); + return (p->inb) (p, port); +} + +unsigned char +sh73180se_inb_p(unsigned long port) +{ + unsigned char v = sh73180se_inb(port); + delay(); + return v; +} + +unsigned short +sh73180se_inw(unsigned long port) +{ + struct iop *p = port2iop(port); + return (p->inw) (p, port); +} + +unsigned int +sh73180se_inl(unsigned long port) +{ + badio(inl, port); +} + +void +sh73180se_outb(unsigned char value, unsigned long port) +{ + struct iop *p = port2iop(port); + (p->outb) (p, value, port); +} + +void +sh73180se_outb_p(unsigned char value, unsigned long port) +{ + sh73180se_outb(value, port); + delay(); +} + +void +sh73180se_outw(unsigned short value, unsigned long port) +{ + struct iop *p = port2iop(port); + (p->outw) (p, value, port); +} + +void +sh73180se_outl(unsigned int value, unsigned long port) +{ + badio(outl, port); +} + +void +sh73180se_insb(unsigned long port, void *addr, unsigned long count) +{ + unsigned char *a = addr; + struct iop *p = port2iop(port); + while (count--) + *a++ = (p->inb) (p, port); +} + +void +sh73180se_insw(unsigned long port, void *addr, unsigned long count) +{ + unsigned short *a = addr; + struct iop *p = port2iop(port); + while (count--) + *a++ = (p->inw) (p, port); +} + +void +sh73180se_insl(unsigned long port, void *addr, unsigned long count) +{ + badio(insl, port); +} + +void +sh73180se_outsb(unsigned long port, const void *addr, unsigned long count) +{ + unsigned char *a = (unsigned char *) addr; + struct iop *p = port2iop(port); + while (count--) + (p->outb) (p, *a++, port); +} + +void +sh73180se_outsw(unsigned long port, const void *addr, unsigned long count) +{ + unsigned short *a = (unsigned short *) addr; + struct iop *p = port2iop(port); + while (count--) + (p->outw) (p, *a++, port); +} + +void +sh73180se_outsl(unsigned long port, const void *addr, unsigned long count) +{ + badio(outsw, port); +} diff --git a/arch/sh/boards/se/73180/irq.c b/arch/sh/boards/se/73180/irq.c new file mode 100644 index 000000000000..70f04caad9a4 --- /dev/null +++ b/arch/sh/boards/se/73180/irq.c @@ -0,0 +1,137 @@ +/* + * arch/sh/boards/se/73180/irq.c + * + * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> + * Based on arch/sh/boards/se/7300/irq.c + * + * Modified for SH-Mobile SolutionEngine 73180 Support + * by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <linux/irq.h> +#include <asm/irq.h> +#include <asm/io.h> +#include <asm/mach/se73180.h> + +static int +intreq2irq(int i) +{ + if (i == 5) + return 10; + return 32 + 7 - i; +} + +static int +irq2intreq(int irq) +{ + if (irq == 10) + return 5; + return 7 - (irq - 32); +} + +static void +disable_intreq_irq(unsigned int irq) +{ + ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSK0); +} + +static void +enable_intreq_irq(unsigned int irq) +{ + ctrl_outb(1 << (7 - irq2intreq(irq)), INTMSKCLR0); +} + +static void +mask_and_ack_intreq_irq(unsigned int irq) +{ + disable_intreq_irq(irq); +} + +static unsigned int +startup_intreq_irq(unsigned int irq) +{ + enable_intreq_irq(irq); + return 0; +} + +static void +shutdown_intreq_irq(unsigned int irq) +{ + disable_intreq_irq(irq); +} + +static void +end_intreq_irq(unsigned int irq) +{ + if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS))) + enable_intreq_irq(irq); +} + +static struct hw_interrupt_type intreq_irq_type = { + .typename = "intreq", + .startup = startup_intreq_irq, + .shutdown = shutdown_intreq_irq, + .enable = enable_intreq_irq, + .disable = disable_intreq_irq, + .ack = mask_and_ack_intreq_irq, + .end = end_intreq_irq +}; + +void +make_intreq_irq(unsigned int irq) +{ + disable_irq_nosync(irq); + irq_desc[irq].handler = &intreq_irq_type; + disable_intreq_irq(irq); +} + +int +shmse_irq_demux(int irq) +{ + if (irq == IRQ5_IRQ) + return 10; + return irq; +} + +/* + * Initialize IRQ setting + */ +void __init +init_73180se_IRQ(void) +{ + make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY); + + ctrl_outw(0x2000, 0xb03fffec); /* mrshpc irq enable */ + ctrl_outw(0x2000, 0xb07fffec); /* mrshpc irq enable */ + ctrl_outl(3 << ((7 - 5) * 4), INTC_INTPRI0); /* irq5 pri=3 */ + ctrl_outw(2 << ((7 - 5) * 2), INTC_ICR1); /* low-level irq */ + make_intreq_irq(10); + + make_ipr_irq(VPU_IRQ, VPU_IPR_ADDR, VPU_IPR_POS, 8); + + ctrl_outb(0x0f, INTC_IMCR5); /* enable SCIF IRQ */ + + make_ipr_irq(DMTE2_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(DMTE3_IRQ, DMA1_IPR_ADDR, DMA1_IPR_POS, DMA1_PRIORITY); + make_ipr_irq(DMTE4_IRQ, DMA2_IPR_ADDR, DMA2_IPR_POS, DMA2_PRIORITY); + make_ipr_irq(IIC0_ALI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY); + make_ipr_irq(IIC0_TACKI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, + IIC0_PRIORITY); + make_ipr_irq(IIC0_WAITI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, + IIC0_PRIORITY); + make_ipr_irq(IIC0_DTEI_IRQ, IIC0_IPR_ADDR, IIC0_IPR_POS, IIC0_PRIORITY); + make_ipr_irq(SIOF0_IRQ, SIOF0_IPR_ADDR, SIOF0_IPR_POS, SIOF0_PRIORITY); + make_ipr_irq(SIU_IRQ, SIU_IPR_ADDR, SIU_IPR_POS, SIU_PRIORITY); + + /* VIO interrupt */ + make_ipr_irq(CEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + make_ipr_irq(BEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + make_ipr_irq(VEU_IRQ, VIO_IPR_ADDR, VIO_IPR_POS, VIO_PRIORITY); + + make_ipr_irq(LCDC_IRQ, LCDC_IPR_ADDR, LCDC_IPR_POS, LCDC_PRIORITY); + ctrl_outw(0x2000, PA_MRSHPC + 0x0c); /* mrshpc irq enable */ +} diff --git a/arch/sh/boards/se/73180/led.c b/arch/sh/boards/se/73180/led.c new file mode 100644 index 000000000000..1e8f1cf3e10f --- /dev/null +++ b/arch/sh/boards/se/73180/led.c @@ -0,0 +1,67 @@ +/* + * arch/sh/boards/se/73180/led.c + * + * Derived from arch/sh/boards/se/770x/led.c + * + * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com> + * + * May be copied or modified under the terms of the GNU General Public + * License. See linux/COPYING for more information. + * + * This file contains Solution Engine specific LED code. + */ + +#include <linux/config.h> +#include <linux/sched.h> +#include <asm/mach/se73180.h> + +static void +mach_led(int position, int value) +{ + volatile unsigned short *p = (volatile unsigned short *) PA_LED; + + if (value) { + *p |= (1 << LED_SHIFT); + } else { + *p &= ~(1 << LED_SHIFT); + } +} + +/* Cycle the LED's in the clasic Knightrider/Sun pattern */ +void +heartbeat_73180se(void) +{ + static unsigned int cnt = 0, period = 0; + volatile unsigned short *p = (volatile unsigned short *) PA_LED; + static unsigned bit = 0, up = 1; + + cnt += 1; + if (cnt < period) { + return; + } + + cnt = 0; + + /* Go through the points (roughly!): + * f(0)=10, f(1)=16, f(2)=20, f(5)=35,f(inf)->110 + */ + period = 110 - ((300 << FSHIFT) / ((avenrun[0] / 5) + (3 << FSHIFT))); + + if (up) { + if (bit == 7) { + bit--; + up = 0; + } else { + bit++; + } + } else { + if (bit == 0) { + bit++; + up = 1; + } else { + bit--; + } + } + *p = 1 << (bit + LED_SHIFT); + +} diff --git a/arch/sh/boards/se/73180/setup.c b/arch/sh/boards/se/73180/setup.c new file mode 100644 index 000000000000..07fa90c38a06 --- /dev/null +++ b/arch/sh/boards/se/73180/setup.c @@ -0,0 +1,68 @@ +/* + * arch/sh/boards/se/73180/setup.c + * + * Copyright (C) 2003 Takashi Kusuda <kusuda-takashi@hitachi-ul.co.jp> + * Based on arch/sh/setup_shmse.c + * + * Modified for 73180 SolutionEngine + * by YOSHII Takashi <yoshii-takashi@hitachi-ul.co.jp> + * + */ + +#include <linux/config.h> +#include <linux/init.h> +#include <asm/machvec.h> +#include <asm/machvec_init.h> +#include <asm/mach/io.h> + +void heartbeat_73180se(void); +void init_73180se_IRQ(void); + +const char * +get_system_type(void) +{ + return "SolutionEngine 73180"; +} + +/* + * The Machine Vector + */ + +struct sh_machine_vector mv_73180se __initmv = { + .mv_nr_irqs = 108, + .mv_inb = sh73180se_inb, + .mv_inw = sh73180se_inw, + .mv_inl = sh73180se_inl, + .mv_outb = sh73180se_outb, + .mv_outw = sh73180se_outw, + .mv_outl = sh73180se_outl, + + .mv_inb_p = sh73180se_inb_p, + .mv_inw_p = sh73180se_inw, + .mv_inl_p = sh73180se_inl, + .mv_outb_p = sh73180se_outb_p, + .mv_outw_p = sh73180se_outw, + .mv_outl_p = sh73180se_outl, + + .mv_insb = sh73180se_insb, + .mv_insw = sh73180se_insw, + .mv_insl = sh73180se_insl, + .mv_outsb = sh73180se_outsb, + .mv_outsw = sh73180se_outsw, + .mv_outsl = sh73180se_outsl, + + .mv_init_irq = init_73180se_IRQ, +#ifdef CONFIG_HEARTBEAT + .mv_heartbeat = heartbeat_73180se, +#endif +}; + +ALIAS_MV(73180se) +/* + * Initialize the board + */ +void __init +platform_setup(void) +{ + +} |
