diff options
Diffstat (limited to 'arch/sh/boards')
-rw-r--r-- | arch/sh/boards/bigsur/Makefile | 6 | ||||
-rw-r--r-- | arch/sh/boards/bigsur/io.c | 120 | ||||
-rw-r--r-- | arch/sh/boards/bigsur/irq.c | 334 | ||||
-rw-r--r-- | arch/sh/boards/bigsur/led.c | 54 | ||||
-rw-r--r-- | arch/sh/boards/bigsur/setup.c | 88 | ||||
-rw-r--r-- | arch/sh/boards/ec3104/Makefile | 6 | ||||
-rw-r--r-- | arch/sh/boards/ec3104/io.c | 81 | ||||
-rw-r--r-- | arch/sh/boards/ec3104/irq.c | 196 | ||||
-rw-r--r-- | arch/sh/boards/ec3104/setup.c | 65 |
9 files changed, 0 insertions, 950 deletions
diff --git a/arch/sh/boards/bigsur/Makefile b/arch/sh/boards/bigsur/Makefile deleted file mode 100644 index 0ff9497ac58..00000000000 --- a/arch/sh/boards/bigsur/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for the BigSur specific parts of the kernel -# - -obj-y := setup.o io.o irq.o led.o - diff --git a/arch/sh/boards/bigsur/io.c b/arch/sh/boards/bigsur/io.c deleted file mode 100644 index 23071f97eec..00000000000 --- a/arch/sh/boards/bigsur/io.c +++ /dev/null @@ -1,120 +0,0 @@ -/* - * arch/sh/boards/bigsur/io.c - * - * By Dustin McIntire (dustin@sensoria.com) (c)2001 - * Derived from io_hd64465.h, which bore the message: - * By Greg Banks <gbanks@pocketpenguins.com> - * (c) 2000 PocketPenguins Inc. - * and from io_hd64461.h, which bore the message: - * Copyright 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. - * - * IO functions for a Hitachi Big Sur Evaluation Board. - */ - -#include <linux/kernel.h> -#include <linux/module.h> -#include <asm/machvec.h> -#include <asm/io.h> -#include <asm/bigsur/bigsur.h> - -/* Low iomap maps port 0-1K to addresses in 8byte chunks */ -#define BIGSUR_IOMAP_LO_THRESH 0x400 -#define BIGSUR_IOMAP_LO_SHIFT 3 -#define BIGSUR_IOMAP_LO_MASK ((1<<BIGSUR_IOMAP_LO_SHIFT)-1) -#define BIGSUR_IOMAP_LO_NMAP (BIGSUR_IOMAP_LO_THRESH>>BIGSUR_IOMAP_LO_SHIFT) -static u32 bigsur_iomap_lo[BIGSUR_IOMAP_LO_NMAP]; -static u8 bigsur_iomap_lo_shift[BIGSUR_IOMAP_LO_NMAP]; - -/* High iomap maps port 1K-64K to addresses in 1K chunks */ -#define BIGSUR_IOMAP_HI_THRESH 0x10000 -#define BIGSUR_IOMAP_HI_SHIFT 10 -#define BIGSUR_IOMAP_HI_MASK ((1<<BIGSUR_IOMAP_HI_SHIFT)-1) -#define BIGSUR_IOMAP_HI_NMAP (BIGSUR_IOMAP_HI_THRESH>>BIGSUR_IOMAP_HI_SHIFT) -static u32 bigsur_iomap_hi[BIGSUR_IOMAP_HI_NMAP]; -static u8 bigsur_iomap_hi_shift[BIGSUR_IOMAP_HI_NMAP]; - -void bigsur_port_map(u32 baseport, u32 nports, u32 addr, u8 shift) -{ - u32 port, endport = baseport + nports; - - pr_debug("bigsur_port_map(base=0x%0x, n=0x%0x, addr=0x%08x)\n", - baseport, nports, addr); - - for (port = baseport ; - port < endport && port < BIGSUR_IOMAP_LO_THRESH ; - port += (1<<BIGSUR_IOMAP_LO_SHIFT)) { - pr_debug(" maplo[0x%x] = 0x%08x\n", port, addr); - bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = addr; - bigsur_iomap_lo_shift[port>>BIGSUR_IOMAP_LO_SHIFT] = shift; - addr += (1<<(BIGSUR_IOMAP_LO_SHIFT)); - } - - for (port = max_t(u32, baseport, BIGSUR_IOMAP_LO_THRESH); - port < endport && port < BIGSUR_IOMAP_HI_THRESH ; - port += (1<<BIGSUR_IOMAP_HI_SHIFT)) { - pr_debug(" maphi[0x%x] = 0x%08x\n", port, addr); - bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = addr; - bigsur_iomap_hi_shift[port>>BIGSUR_IOMAP_HI_SHIFT] = shift; - addr += (1<<(BIGSUR_IOMAP_HI_SHIFT)); - } -} -EXPORT_SYMBOL(bigsur_port_map); - -void bigsur_port_unmap(u32 baseport, u32 nports) -{ - u32 port, endport = baseport + nports; - - pr_debug("bigsur_port_unmap(base=0x%0x, n=0x%0x)\n", baseport, nports); - - for (port = baseport ; - port < endport && port < BIGSUR_IOMAP_LO_THRESH ; - port += (1<<BIGSUR_IOMAP_LO_SHIFT)) { - bigsur_iomap_lo[port>>BIGSUR_IOMAP_LO_SHIFT] = 0; - } - - for (port = max_t(u32, baseport, BIGSUR_IOMAP_LO_THRESH); - port < endport && port < BIGSUR_IOMAP_HI_THRESH ; - port += (1<<BIGSUR_IOMAP_HI_SHIFT)) { - bigsur_iomap_hi[port>>BIGSUR_IOMAP_HI_SHIFT] = 0; - } -} -EXPORT_SYMBOL(bigsur_port_unmap); - -unsigned long bigsur_isa_port2addr(unsigned long port) -{ - unsigned long addr = 0; - unsigned char shift; - - /* Physical address not in P0, do nothing */ - if (PXSEG(port)) { - addr = port; - /* physical address in P0, map to P2 */ - } else if (port >= 0x30000) { - addr = P2SEGADDR(port); - /* Big Sur I/O + HD64465 registers 0x10000-0x30000 */ - } else if (port >= BIGSUR_IOMAP_HI_THRESH) { - addr = BIGSUR_INTERNAL_BASE + (port - BIGSUR_IOMAP_HI_THRESH); - /* Handle remapping of high IO/PCI IO ports */ - } else if (port >= BIGSUR_IOMAP_LO_THRESH) { - addr = bigsur_iomap_hi[port >> BIGSUR_IOMAP_HI_SHIFT]; - shift = bigsur_iomap_hi_shift[port >> BIGSUR_IOMAP_HI_SHIFT]; - - if (addr != 0) - addr += (port & BIGSUR_IOMAP_HI_MASK) << shift; - } else { - /* Handle remapping of low IO ports */ - addr = bigsur_iomap_lo[port >> BIGSUR_IOMAP_LO_SHIFT]; - shift = bigsur_iomap_lo_shift[port >> BIGSUR_IOMAP_LO_SHIFT]; - - if (addr != 0) - addr += (port & BIGSUR_IOMAP_LO_MASK) << shift; - } - - pr_debug("%s(0x%08lx) = 0x%08lx\n", __FUNCTION__, port, addr); - - return addr; -} - diff --git a/arch/sh/boards/bigsur/irq.c b/arch/sh/boards/bigsur/irq.c deleted file mode 100644 index 1ab04da3638..00000000000 --- a/arch/sh/boards/bigsur/irq.c +++ /dev/null @@ -1,334 +0,0 @@ -/* - * - * By Dustin McIntire (dustin@sensoria.com) (c)2001 - * - * Setup and IRQ handling code for the HD64465 companion chip. - * by Greg Banks <gbanks@pocketpenguins.com> - * Copyright (c) 2000 PocketPenguins Inc - * - * Derived from setup_hd64465.c which bore the message: - * Greg Banks <gbanks@pocketpenguins.com> - * Copyright (c) 2000 PocketPenguins Inc and - * Copyright (C) 2000 YAEGASHI Takeshi - * and setup_cqreek.c which bore message: - * Copyright (C) 2000 Niibe Yutaka - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * IRQ functions for a Hitachi Big Sur Evaluation Board. - * - */ -#undef DEBUG - -#include <linux/sched.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/bitops.h> - -#include <asm/io.h> -#include <asm/irq.h> - -#include <asm/bigsur/io.h> -#include <asm/hd64465/hd64465.h> -#include <asm/bigsur/bigsur.h> - -//#define BIGSUR_DEBUG 3 -#undef BIGSUR_DEBUG - -#ifdef BIGSUR_DEBUG -#define DIPRINTK(n, args...) if (BIGSUR_DEBUG>(n)) printk(args) -#else -#define DIPRINTK(n, args...) -#endif /* BIGSUR_DEBUG */ - -#ifdef CONFIG_HD64465 -extern int hd64465_irq_demux(int irq); -#endif /* CONFIG_HD64465 */ - - -/*===========================================================*/ -// Big Sur CPLD IRQ Routines -/*===========================================================*/ - -/* Level 1 IRQ routines */ -static void disable_bigsur_l1irq(unsigned int irq) -{ - unsigned char mask; - unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0; - unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) ); - - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { - pr_debug("Disable L1 IRQ %d\n", irq); - DIPRINTK(2,"disable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n", - mask_port, bit); - - /* Disable IRQ - set mask bit */ - mask = inb(mask_port) | bit; - outb(mask, mask_port); - return; - } - pr_debug("disable_bigsur_l1irq: Invalid IRQ %d\n", irq); -} - -static void enable_bigsur_l1irq(unsigned int irq) -{ - unsigned char mask; - unsigned int mask_port = ((irq - BIGSUR_IRQ_LOW)/8) ? BIGSUR_IRLMR1 : BIGSUR_IRLMR0; - unsigned char bit = (1 << ((irq - MGATE_IRQ_LOW)%8) ); - - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { - pr_debug("Enable L1 IRQ %d\n", irq); - DIPRINTK(2,"enable_bigsur_l1irq: IMR=0x%08x mask=0x%x\n", - mask_port, bit); - /* Enable L1 IRQ - clear mask bit */ - mask = inb(mask_port) & ~bit; - outb(mask, mask_port); - return; - } - pr_debug("enable_bigsur_l1irq: Invalid IRQ %d\n", irq); -} - - -/* Level 2 irq masks and registers for L2 decoding */ -/* Level2 bitmasks for each level 1 IRQ */ -const u32 bigsur_l2irq_mask[] = - {0x40,0x80,0x08,0x01,0x01,0x3C,0x3E,0xFF,0x40,0x80,0x06,0x03}; -/* Level2 to ISR[n] map for each level 1 IRQ */ -const u32 bigsur_l2irq_reg[] = - { 2, 2, 3, 3, 1, 2, 1, 0, 1, 1, 3, 2}; -/* Level2 to Level 1 IRQ map */ -const u32 bigsur_l2_l1_map[] = - {7,7,7,7,7,7,7,7, 4,6,6,6,6,6,8,9, 11,11,5,5,5,5,0,1, 3,10,10,2,-1,-1,-1,-1}; -/* IRQ inactive level (high or low) */ -const u32 bigsur_l2_inactv_state[] = {0x00, 0xBE, 0xFC, 0xF7}; - -/* CPLD external status and mask registers base and offsets */ -static const u32 isr_base = BIGSUR_IRQ0; -static const u32 isr_offset = BIGSUR_IRQ0 - BIGSUR_IRQ1; -static const u32 imr_base = BIGSUR_IMR0; -static const u32 imr_offset = BIGSUR_IMR0 - BIGSUR_IMR1; - -#define REG_NUM(irq) ((irq-BIGSUR_2NDLVL_IRQ_LOW)/8 ) - -/* Level 2 IRQ routines */ -static void disable_bigsur_l2irq(unsigned int irq) -{ - unsigned char mask; - unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8); - unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset; - - if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) { - pr_debug("Disable L2 IRQ %d\n", irq); - DIPRINTK(2,"disable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n", - mask_port, bit); - - /* Disable L2 IRQ - set mask bit */ - mask = inb(mask_port) | bit; - outb(mask, mask_port); - return; - } - pr_debug("disable_bigsur_l2irq: Invalid IRQ %d\n", irq); -} - -static void enable_bigsur_l2irq(unsigned int irq) -{ - unsigned char mask; - unsigned char bit = 1 << ((irq-BIGSUR_2NDLVL_IRQ_LOW)%8); - unsigned int mask_port = imr_base - REG_NUM(irq)*imr_offset; - - if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) { - pr_debug("Enable L2 IRQ %d\n", irq); - DIPRINTK(2,"enable_bigsur_l2irq: IMR=0x%08x mask=0x%x\n", - mask_port, bit); - - /* Enable L2 IRQ - clear mask bit */ - mask = inb(mask_port) & ~bit; - outb(mask, mask_port); - return; - } - pr_debug("enable_bigsur_l2irq: Invalid IRQ %d\n", irq); -} - -static void mask_and_ack_bigsur(unsigned int irq) -{ - pr_debug("mask_and_ack_bigsur IRQ %d\n", irq); - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) - disable_bigsur_l1irq(irq); - else - disable_bigsur_l2irq(irq); -} - -static void end_bigsur_irq(unsigned int irq) -{ - pr_debug("end_bigsur_irq IRQ %d\n", irq); - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) { - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) - enable_bigsur_l1irq(irq); - else - enable_bigsur_l2irq(irq); - } -} - -static unsigned int startup_bigsur_irq(unsigned int irq) -{ - u8 mask; - u32 reg; - - pr_debug("startup_bigsur_irq IRQ %d\n", irq); - - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { - /* Enable the L1 IRQ */ - enable_bigsur_l1irq(irq); - /* Enable all L2 IRQs in this L1 IRQ */ - mask = ~(bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW]); - reg = imr_base - bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW] * imr_offset; - mask &= inb(reg); - outb(mask,reg); - DIPRINTK(2,"startup_bigsur_irq: IMR=0x%08x mask=0x%x\n",reg,inb(reg)); - } - else { - /* Enable the L2 IRQ - clear mask bit */ - enable_bigsur_l2irq(irq); - /* Enable the L1 bit masking this L2 IRQ */ - enable_bigsur_l1irq(bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW]); - DIPRINTK(2,"startup_bigsur_irq: L1=%d L2=%d\n", - bigsur_l2_l1_map[irq-BIGSUR_2NDLVL_IRQ_LOW],irq); - } - return 0; -} - -static void shutdown_bigsur_irq(unsigned int irq) -{ - pr_debug("shutdown_bigsur_irq IRQ %d\n", irq); - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) - disable_bigsur_l1irq(irq); - else - disable_bigsur_l2irq(irq); -} - -/* Define the IRQ structures for the L1 and L2 IRQ types */ -static struct hw_interrupt_type bigsur_l1irq_type = { - .typename = "BigSur-CPLD-Level1-IRQ", - .startup = startup_bigsur_irq, - .shutdown = shutdown_bigsur_irq, - .enable = enable_bigsur_l1irq, - .disable = disable_bigsur_l1irq, - .ack = mask_and_ack_bigsur, - .end = end_bigsur_irq -}; - -static struct hw_interrupt_type bigsur_l2irq_type = { - .typename = "BigSur-CPLD-Level2-IRQ", - .startup = startup_bigsur_irq, - .shutdown =shutdown_bigsur_irq, - .enable = enable_bigsur_l2irq, - .disable = disable_bigsur_l2irq, - .ack = mask_and_ack_bigsur, - .end = end_bigsur_irq -}; - - -static void make_bigsur_l1isr(unsigned int irq) { - - /* sanity check first */ - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { - /* save the handler in the main description table */ - irq_desc[irq].chip = &bigsur_l1irq_type; - irq_desc[irq].status = IRQ_DISABLED; - irq_desc[irq].action = 0; - irq_desc[irq].depth = 1; - - disable_bigsur_l1irq(irq); - return; - } - pr_debug("make_bigsur_l1isr: bad irq, %d\n", irq); - return; -} - -static void make_bigsur_l2isr(unsigned int irq) { - - /* sanity check first */ - if(irq >= BIGSUR_2NDLVL_IRQ_LOW && irq < BIGSUR_2NDLVL_IRQ_HIGH) { - /* save the handler in the main description table */ - irq_desc[irq].chip = &bigsur_l2irq_type; - irq_desc[irq].status = IRQ_DISABLED; - irq_desc[irq].action = 0; - irq_desc[irq].depth = 1; - - disable_bigsur_l2irq(irq); - return; - } - pr_debug("make_bigsur_l2isr: bad irq, %d\n", irq); - return; -} - -/* The IRQ's will be decoded as follows: - * If a level 2 handler exists and there is an unmasked active - * IRQ, the 2nd level handler will be called. - * If a level 2 handler does not exist for the active IRQ - * the 1st level handler will be called. - */ - -int bigsur_irq_demux(int irq) -{ - int dmux_irq = irq; - u8 mask, actv_irqs; - u32 reg_num; - - DIPRINTK(3,"bigsur_irq_demux, irq=%d\n", irq); - /* decode the 1st level IRQ */ - if(irq >= BIGSUR_IRQ_LOW && irq < BIGSUR_IRQ_HIGH) { - /* Get corresponding L2 ISR bitmask and ISR number */ - mask = bigsur_l2irq_mask[irq-BIGSUR_IRQ_LOW]; - reg_num = bigsur_l2irq_reg[irq-BIGSUR_IRQ_LOW]; - /* find the active IRQ's (XOR with inactive level)*/ - actv_irqs = inb(isr_base-reg_num*isr_offset) ^ - bigsur_l2_inactv_state[reg_num]; - /* decode active IRQ's */ - actv_irqs = actv_irqs & mask & ~(inb(imr_base-reg_num*imr_offset)); - /* if NEZ then we have an active L2 IRQ */ - if(actv_irqs) dmux_irq = ffz(~actv_irqs) + reg_num*8+BIGSUR_2NDLVL_IRQ_LOW; - /* if no 2nd level IRQ action, but has 1st level, use 1st level handler */ - if(!irq_desc[dmux_irq].action && irq_desc[irq].action) - dmux_irq = irq; - DIPRINTK(1,"bigsur_irq_demux: irq=%d dmux_irq=%d mask=0x%04x reg=%d\n", - irq, dmux_irq, mask, reg_num); - } -#ifdef CONFIG_HD64465 - dmux_irq = hd64465_irq_demux(dmux_irq); -#endif /* CONFIG_HD64465 */ - DIPRINTK(3,"bigsur_irq_demux, demux_irq=%d\n", dmux_irq); - - return dmux_irq; -} - -/*===========================================================*/ -// Big Sur Init Routines -/*===========================================================*/ -void __init init_bigsur_IRQ(void) -{ - int i; - - if (!MACH_BIGSUR) return; - - /* Create ISR's for Big Sur CPLD IRQ's */ - /*==============================================================*/ - for(i=BIGSUR_IRQ_LOW;i<BIGSUR_IRQ_HIGH;i++) - make_bigsur_l1isr(i); - - printk(KERN_INFO "Big Sur CPLD L1 interrupts %d to %d.\n", - BIGSUR_IRQ_LOW,BIGSUR_IRQ_HIGH); - - for(i=BIGSUR_2NDLVL_IRQ_LOW;i<BIGSUR_2NDLVL_IRQ_HIGH;i++) - make_bigsur_l2isr(i); - - printk(KERN_INFO "Big Sur CPLD L2 interrupts %d to %d.\n", - BIGSUR_2NDLVL_IRQ_LOW,BIGSUR_2NDLVL_IRQ_HIGH); - -} diff --git a/arch/sh/boards/bigsur/led.c b/arch/sh/boards/bigsur/led.c deleted file mode 100644 index d221439aafc..00000000000 --- a/arch/sh/boards/bigsur/led.c +++ /dev/null @@ -1,54 +0,0 @@ -/* - * linux/arch/sh/boards/bigsur/led.c - * - * By Dustin McIntire (dustin@sensoria.com) (c)2001 - * Derived from led_se.c and led.c, which bore the message: - * 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 Big Sur specific LED code. - */ - -#include <asm/io.h> -#include <asm/bigsur/bigsur.h> - -static void mach_led(int position, int value) -{ - int word; - - word = bigsur_inl(BIGSUR_CSLR); - if (value) { - bigsur_outl(word & ~BIGSUR_LED, BIGSUR_CSLR); - } else { - bigsur_outl(word | BIGSUR_LED, BIGSUR_CSLR); - } -} - -#ifdef CONFIG_HEARTBEAT - -#include <linux/sched.h> - -/* Cycle the LED on/off */ -void heartbeat_bigsur(void) -{ - static unsigned cnt = 0, period = 0, dist = 0; - - if (cnt == 0 || cnt == dist) - mach_led( -1, 1); - else if (cnt == 7 || cnt == dist+7) - mach_led( -1, 0); - - if (++cnt > period) { - cnt = 0; - /* The hyperbolic function below modifies the heartbeat period - * length in dependency of the current (5min) load. It goes - * through the points f(0)=126, f(1)=86, f(5)=51, - * f(inf)->30. */ - period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30; - dist = period / 4; - } -} -#endif /* CONFIG_HEARTBEAT */ - diff --git a/arch/sh/boards/bigsur/setup.c b/arch/sh/boards/bigsur/setup.c deleted file mode 100644 index 9711c20fc9e..00000000000 --- a/arch/sh/boards/bigsur/setup.c +++ /dev/null @@ -1,88 +0,0 @@ -/* - * - * By Dustin McIntire (dustin@sensoria.com) (c)2001 - * - * Setup and IRQ handling code for the HD64465 companion chip. - * by Greg Banks <gbanks@pocketpenguins.com> - * Copyright (c) 2000 PocketPenguins Inc - * - * Derived from setup_hd64465.c which bore the message: - * Greg Banks <gbanks@pocketpenguins.com> - * Copyright (c) 2000 PocketPenguins Inc and - * Copyright (C) 2000 YAEGASHI Takeshi - * and setup_cqreek.c which bore message: - * Copyright (C) 2000 Niibe Yutaka - * - * May be copied or modified under the terms of the GNU General Public - * License. See linux/COPYING for more information. - * - * Setup functions for a Hitachi Big Sur Evaluation Board. - * - */ - -#include <linux/sched.h> -#include <linux/module.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/ioport.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/bitops.h> - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/machvec.h> -#include <asm/bigsur/io.h> -#include <asm/hd64465/hd64465.h> -#include <asm/bigsur/bigsur.h> - -/*===========================================================*/ -// Big Sur Init Routines -/*===========================================================*/ - -static void __init bigsur_setup(char **cmdline_p) -{ - /* Mask all 2nd level IRQ's */ - outb(-1,BIGSUR_IMR0); - outb(-1,BIGSUR_IMR1); - outb(-1,BIGSUR_IMR2); - outb(-1,BIGSUR_IMR3); - - /* Mask 1st level interrupts */ - outb(-1,BIGSUR_IRLMR0); - outb(-1,BIGSUR_IRLMR1); - -#if defined (CONFIG_HD64465) && defined (CONFIG_SERIAL) - /* remap IO ports for first ISA serial port to HD64465 UART */ - bigsur_port_map(0x3f8, 8, CONFIG_HD64465_IOBASE + 0x8000, 1); -#endif /* CONFIG_HD64465 && CONFIG_SERIAL */ - /* TODO: setup IDE registers */ - bigsur_port_map(BIGSUR_IDECTL_IOPORT, 2, BIGSUR_ICTL, 8); - /* Setup the Ethernet port to BIGSUR_ETHER_IOPORT */ - bigsur_port_map(BIGSUR_ETHER_IOPORT, 16, BIGSUR_ETHR+BIGSUR_ETHER_IOPORT, 0); - /* set page to 1 */ - outw(1, BIGSUR_ETHR+0xe); - /* set the IO port to BIGSUR_ETHER_IOPORT */ - outw(BIGSUR_ETHER_IOPORT<<3, BIGSUR_ETHR+0x2); -} - -/* - * The Machine Vector - */ -extern void heartbeat_bigsur(void); -extern void init_bigsur_IRQ(void); - -struct sh_machine_vector mv_bigsur __initmv = { - .mv_name = "Big Sur", - .mv_setup = bigsur_setup, - - .mv_isa_port2addr = bigsur_isa_port2addr, - .mv_irq_demux = bigsur_irq_demux, - - .mv_init_irq = init_bigsur_IRQ, -#ifdef CONFIG_HEARTBEAT - .mv_heartbeat = heartbeat_bigsur, -#endif -}; -ALIAS_MV(bigsur) diff --git a/arch/sh/boards/ec3104/Makefile b/arch/sh/boards/ec3104/Makefile deleted file mode 100644 index 178891534b6..00000000000 --- a/arch/sh/boards/ec3104/Makefile +++ /dev/null @@ -1,6 +0,0 @@ -# -# Makefile for the EC3104 specific parts of the kernel -# - -obj-y := setup.o io.o irq.o - diff --git a/arch/sh/boards/ec3104/io.c b/arch/sh/boards/ec3104/io.c deleted file mode 100644 index 2f86394b280..00000000000 --- a/arch/sh/boards/ec3104/io.c +++ /dev/null @@ -1,81 +0,0 @@ -/* - * linux/arch/sh/boards/ec3104/io.c - * EC3104 companion chip support - * - * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> - * - */ -/* EC3104 note: - * This code was written without any documentation about the EC3104 chip. While - * I hope I got most of the basic functionality right, the register names I use - * are most likely completely different from those in the chip documentation. - * - * If you have any further information about the EC3104, please tell me - * (prumpf@tux.org). - */ - -#include <linux/kernel.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/page.h> -#include <asm/ec3104/ec3104.h> - -/* - * EC3104 has a real ISA bus which we redirect low port accesses to (the - * actual device on mine is a ESS 1868, and I don't want to hack the driver - * more than strictly necessary). I am not going to duplicate the - * hard coding of PC addresses (for the 16550s aso) here though; it's just - * too ugly. - */ - -#define low_port(port) ((port) < 0x10000) - -static inline unsigned long port2addr(unsigned long port) -{ - switch(port >> 16) { - case 0: - return EC3104_ISA_BASE + port * 2; - - /* XXX hack. it's unclear what to do about the serial ports */ - case 1: - return EC3104_BASE + (port&0xffff) * 4; - - default: - /* XXX PCMCIA */ - return 0; - } -} - -unsigned char ec3104_inb(unsigned long port) -{ - u8 ret; - - ret = *(volatile u8 *)port2addr(port); - - return ret; -} - -unsigned short ec3104_inw(unsigned long port) -{ - BUG(); -} - -unsigned long ec3104_inl(unsigned long port) -{ - BUG(); -} - -void ec3104_outb(unsigned char data, unsigned long port) -{ - *(volatile u8 *)port2addr(port) = data; -} - -void ec3104_outw(unsigned short data, unsigned long port) -{ - BUG(); -} - -void ec3104_outl(unsigned long data, unsigned long port) -{ - BUG(); -} diff --git a/arch/sh/boards/ec3104/irq.c b/arch/sh/boards/ec3104/irq.c deleted file mode 100644 index ffa4ff1f090..00000000000 --- a/arch/sh/boards/ec3104/irq.c +++ /dev/null @@ -1,196 +0,0 @@ -/* - * linux/arch/sh/boards/ec3104/irq.c - * EC3104 companion chip support - * - * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> - * - */ - -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/ec3104/ec3104.h> - -/* This is for debugging mostly; here's the table that I intend to keep - * in here: - * - * index function base addr power interrupt bit - * 0 power b0ec0000 --- 00000001 (unused) - * 1 irqs b0ec1000 --- 00000002 (unused) - * 2 ?? b0ec2000 b0ec0008 00000004 - * 3 PS2 (1) b0ec3000 b0ec000c 00000008 - * 4 PS2 (2) b0ec4000 b0ec0010 00000010 - * 5 ?? b0ec5000 b0ec0014 00000020 - * 6 I2C b0ec6000 b0ec0018 00000040 - * 7 serial (1) b0ec7000 b0ec001c 00000080 - * 8 serial (2) b0ec8000 b0ec0020 00000100 - * 9 serial (3) b0ec9000 b0ec0024 00000200 - * 10 serial (4) b0eca000 b0ec0028 00000400 - * 12 GPIO (1) b0ecc000 b0ec0030 - * 13 GPIO (2) b0ecc000 b0ec0030 - * 16 pcmcia (1) b0ed0000 b0ec0040 00010000 - * 17 pcmcia (2) b0ed1000 b0ec0044 00020000 - */ - -/* I used the register names from another interrupt controller I worked with, - * since it seems to be identical to the ec3104 except that all bits are - * inverted: - * - * IRR: Interrupt Request Register (pending and enabled interrupts) - * IMR: Interrupt Mask Register (which interrupts are enabled) - * IPR: Interrupt Pending Register (pending interrupts, even disabled ones) - * - * 0 bits mean pending or enabled, 1 bits mean not pending or disabled. all - * IRQs seem to be level-triggered. - */ - -#define EC3104_IRR (EC3104_BASE + 0x1000) -#define EC3104_IMR (EC3104_BASE + 0x1004) -#define EC3104_IPR (EC3104_BASE + 0x1008) - -#define ctrl_readl(addr) (*(volatile u32 *)(addr)) -#define ctrl_writel(data,addr) (*(volatile u32 *)(addr) = (data)) -#define ctrl_readb(addr) (*(volatile u8 *)(addr)) - -static char *ec3104_name(unsigned index) -{ - switch(index) { - case 0: - return "power management"; - case 1: - return "interrupts"; - case 3: - return "PS2 (1)"; - case 4: - return "PS2 (2)"; - case 5: - return "I2C (1)"; - case 6: - return "I2C (2)"; - case 7: - return "serial (1)"; - case 8: - return "serial (2)"; - case 9: - return "serial (3)"; - case 10: - return "serial (4)"; - case 16: - return "pcmcia (1)"; - case 17: - return "pcmcia (2)"; - default: { - static char buf[32]; - - sprintf(buf, "unknown (%d)", index); - - return buf; - } - } -} - -int get_pending_interrupts(char *buf) -{ - u32 ipr; - u32 bit; - char *p = buf; - - p += sprintf(p, "pending: ("); - - ipr = ctrl_inl(EC3104_IPR); - - for (bit = 1; bit < 32; bit++) - if (!(ipr & (1<<bit))) - p += sprintf(p, "%s ", ec3104_name(bit)); - - p += sprintf(p, ")\n"); - - return p - buf; -} - -static inline u32 ec3104_irq2mask(unsigned int irq) -{ - return (1 << (irq - EC3104_IRQBASE)); -} - -static inline void mask_ec3104_irq(unsigned int irq) -{ - u32 mask; - - mask = ctrl_readl(EC3104_IMR); - - mask |= ec3104_irq2mask(irq); - - ctrl_writel(mask, EC3104_IMR); -} - -static inline void unmask_ec3104_irq(unsigned int irq) -{ - u32 mask; - - mask = ctrl_readl(EC3104_IMR); - - mask &= ~ec3104_irq2mask(irq); - - ctrl_writel(mask, EC3104_IMR); -} - -static void disable_ec3104_irq(unsigned int irq) -{ - mask_ec3104_irq(irq); -} - -static void enable_ec3104_irq(unsigned int irq) -{ - unmask_ec3104_irq(irq); -} - -static void mask_and_ack_ec3104_irq(unsigned int irq) -{ - mask_ec3104_irq(irq); -} - -static void end_ec3104_irq(unsigned int irq) -{ - if (!(irq_desc[irq].status & (IRQ_DISABLED|IRQ_INPROGRESS))) - unmask_ec3104_irq(irq); -} - -static unsigned int startup_ec3104_irq(unsigned int irq) -{ - unmask_ec3104_irq(irq); - - return 0; -} - -static void shutdown_ec3104_irq(unsigned int irq) -{ - mask_ec3104_irq(irq); - -} - -static struct hw_interrupt_type ec3104_int = { - .typename = "EC3104", - .enable = enable_ec3104_irq, - .disable = disable_ec3104_irq, - .ack = mask_and_ack_ec3104_irq, - .end = end_ec3104_irq, - .startup = startup_ec3104_irq, - .shutdown = shutdown_ec3104_irq, -}; - -/* Yuck. the _demux API is ugly */ -int ec3104_irq_demux(int irq) -{ - if (irq == EC3104_IRQ) { - unsigned int mask; - - mask = ctrl_readl(EC3104_IRR); - - if (mask == 0xffffffff) - return EC3104_IRQ; - else - return EC3104_IRQBASE + ffz(mask); - } - - return irq; -} diff --git a/arch/sh/boards/ec3104/setup.c b/arch/sh/boards/ec3104/setup.c deleted file mode 100644 index 902bc975a13..00000000000 --- a/arch/sh/boards/ec3104/setup.c +++ /dev/null @@ -1,65 +0,0 @@ -/* - * linux/arch/sh/boards/ec3104/setup.c - * EC3104 companion chip support - * - * Copyright (C) 2000 Philipp Rumpf <prumpf@tux.org> - * - */ -/* EC3104 note: - * This code was written without any documentation about the EC3104 chip. While - * I hope I got most of the basic functionality right, the register names I use - * are most likely completely different from those in the chip documentation. - * - * If you have any further information about the EC3104, please tell me - * (prumpf@tux.org). - */ - -#include <linux/sched.h> -#include <linux/kernel.h> -#include <linux/param.h> -#include <linux/interrupt.h> -#include <linux/init.h> -#include <linux/irq.h> -#include <linux/types.h> -#include <asm/io.h> -#include <asm/irq.h> -#include <asm/machvec.h> -#include <asm/mach/ec3104.h> - -static void __init ec3104_setup(char **cmdline_p) -{ - char str[8]; - int i; - - for (i=0; i<8; i++) - str[i] = ctrl_readb(EC3104_BASE + i); - - for (i = EC3104_IRQBASE; i < EC3104_IRQBASE + 32; i++) - irq_desc[i].handler = &ec3104_int; - - printk("initializing EC3104 \"%.8s\" at %08x, IRQ %d, IRQ base %d\n", - str, EC3104_BASE, EC3104_IRQ, EC3104_IRQBASE); - - /* mask all interrupts. this should have been done by the boot - * loader for us but we want to be sure ... */ - ctrl_writel(0xffffffff, EC3104_IMR); -} - -/* - * The Machine Vector - */ -struct sh_machine_vector mv_ec3104 __initmv = { - .mv_name = "EC3104", - .mv_setup = ec3104_setup, - .mv_nr_irqs = 96, - - .mv_inb = ec3104_inb, - .mv_inw = ec3104_inw, - .mv_inl = ec3104_inl, - .mv_outb = ec3104_outb, - .mv_outw = ec3104_outw, - .mv_outl = ec3104_outl, - - .mv_irq_demux = ec3104_irq_demux, -}; -ALIAS_MV(ec3104) |