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authorPaul Mundt <lethal@linux-sh.org>2006-09-27 05:00:19 -0400
committerPaul Mundt <lethal@linux-sh.org>2006-09-27 05:00:19 -0400
commit5a4053b23262afefa748e1e4c439931d4c27693b (patch)
treed8ed63a427c01361435d14d97b5ce3b2ab33b25c /arch/sh/boards/harp
parentf118420be83c3ce7888fe1d42db84af495da9edb (diff)
sh: Kill off dead boards.
None of these have been maintained in years, and no one seems to be interested in doing so, so just get rid of them. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh/boards/harp')
-rw-r--r--arch/sh/boards/harp/Makefile8
-rw-r--r--arch/sh/boards/harp/irq.c147
-rw-r--r--arch/sh/boards/harp/led.c51
-rw-r--r--arch/sh/boards/harp/mach.c62
-rw-r--r--arch/sh/boards/harp/pcidma.c42
-rw-r--r--arch/sh/boards/harp/setup.c90
6 files changed, 0 insertions, 400 deletions
diff --git a/arch/sh/boards/harp/Makefile b/arch/sh/boards/harp/Makefile
deleted file mode 100644
index eb753d31812e..000000000000
--- a/arch/sh/boards/harp/Makefile
+++ /dev/null
@@ -1,8 +0,0 @@
1#
2# Makefile for STMicroelectronics board specific parts of the kernel
3#
4
5obj-y := irq.o setup.o mach.o led.o
6
7obj-$(CONFIG_PCI) += pcidma.o
8
diff --git a/arch/sh/boards/harp/irq.c b/arch/sh/boards/harp/irq.c
deleted file mode 100644
index 96bb41c9fc55..000000000000
--- a/arch/sh/boards/harp/irq.c
+++ /dev/null
@@ -1,147 +0,0 @@
1/*
2 * Copyright (C) 2000 David J. Mckay (david.mckay@st.com)
3 *
4 * May be copied or modified under the terms of the GNU General Public
5 * License. See linux/COPYING for more information.
6 *
7 * Looks after interrupts on the HARP board.
8 *
9 * Bases on the IPR irq system
10 */
11
12#include <linux/init.h>
13#include <linux/irq.h>
14
15#include <asm/system.h>
16#include <asm/io.h>
17#include <asm/harp/harp.h>
18
19
20#define NUM_EXTERNAL_IRQS 16
21
22// Early versions of the STB1 Overdrive required this nasty frig
23//#define INVERT_INTMASK_WRITES
24
25static void enable_harp_irq(unsigned int irq);
26static void disable_harp_irq(unsigned int irq);
27
28/* shutdown is same as "disable" */
29#define shutdown_harp_irq disable_harp_irq
30
31static void mask_and_ack_harp(unsigned int);
32static void end_harp_irq(unsigned int irq);
33
34static unsigned int startup_harp_irq(unsigned int irq)
35{
36 enable_harp_irq(irq);
37 return 0; /* never anything pending */
38}
39
40static struct hw_interrupt_type harp_irq_type = {
41 .typename = "Harp-IRQ",
42 .startup = startup_harp_irq,
43 .shutdown = shutdown_harp_irq,
44 .enable = enable_harp_irq,
45 .disable = disable_harp_irq,
46 .ack = mask_and_ack_harp,
47 .end = end_harp_irq
48};
49
50static void disable_harp_irq(unsigned int irq)
51{
52 unsigned val, flags;
53 unsigned maskReg;
54 unsigned mask;
55 int pri;
56
57 if (irq < 0 || irq >= NUM_EXTERNAL_IRQS)
58 return;
59
60 pri = 15 - irq;
61
62 if (pri < 8) {
63 maskReg = EPLD_INTMASK0;
64 } else {
65 maskReg = EPLD_INTMASK1;
66 pri -= 8;
67 }
68
69 local_irq_save(flags);
70 mask = ctrl_inl(maskReg);
71 mask &= (~(1 << pri));
72#if defined(INVERT_INTMASK_WRITES)
73 mask ^= 0xff;
74#endif
75 ctrl_outl(mask, maskReg);
76 local_irq_restore(flags);
77}
78
79static void enable_harp_irq(unsigned int irq)
80{
81 unsigned flags;
82 unsigned maskReg;
83 unsigned mask;
84 int pri;
85
86 if (irq < 0 || irq >= NUM_EXTERNAL_IRQS)
87 return;
88
89 pri = 15 - irq;
90
91 if (pri < 8) {
92 maskReg = EPLD_INTMASK0;
93 } else {
94 maskReg = EPLD_INTMASK1;
95 pri -= 8;
96 }
97
98 local_irq_save(flags);
99 mask = ctrl_inl(maskReg);
100
101
102 mask |= (1 << pri);
103
104#if defined(INVERT_INTMASK_WRITES)
105 mask ^= 0xff;
106#endif
107 ctrl_outl(mask, maskReg);
108
109 local_irq_restore(flags);
110}
111
112/* This functions sets the desired irq handler to be an overdrive type */
113static void __init make_harp_irq(unsigned int irq)
114{
115 disable_irq_nosync(irq);
116 irq_desc[irq].chip = &harp_irq_type;
117 disable_harp_irq(irq);
118}
119
120static void mask_and_ack_harp(unsigned int irq)
121{
122 disable_harp_irq(irq);
123}
124
125static void end_harp_irq(unsigned int irq)
126{
127 enable_harp_irq(irq);
128}
129
130void __init init_harp_irq(void)
131{
132 int i;
133
134#if !defined(INVERT_INTMASK_WRITES)
135 // On the harp these are set to enable an interrupt
136 ctrl_outl(0x00, EPLD_INTMASK0);
137 ctrl_outl(0x00, EPLD_INTMASK1);
138#else
139 // On the Overdrive the data is inverted before being stored in the reg
140 ctrl_outl(0xff, EPLD_INTMASK0);
141 ctrl_outl(0xff, EPLD_INTMASK1);
142#endif
143
144 for (i = 0; i < NUM_EXTERNAL_IRQS; i++) {
145 make_harp_irq(i);
146 }
147}
diff --git a/arch/sh/boards/harp/led.c b/arch/sh/boards/harp/led.c
deleted file mode 100644
index aeb7b392b190..000000000000
--- a/arch/sh/boards/harp/led.c
+++ /dev/null
@@ -1,51 +0,0 @@
1/*
2 * linux/arch/sh/stboards/led.c
3 *
4 * Copyright (C) 2000 Stuart Menefy <stuart.menefy@st.com>
5 *
6 * May be copied or modified under the terms of the GNU General Public
7 * License. See linux/COPYING for more information.
8 *
9 * This file contains ST40STB1 HARP and compatible code.
10 */
11
12#include <asm/io.h>
13#include <asm/harp/harp.h>
14
15/* Harp: Flash LD10 (front pannel) connected to EPLD (IC8) */
16/* Overdrive: Flash LD1 (front panel) connected to EPLD (IC4) */
17/* Works for HARP and overdrive */
18static void mach_led(int position, int value)
19{
20 if (value) {
21 ctrl_outl(EPLD_LED_ON, EPLD_LED);
22 } else {
23 ctrl_outl(EPLD_LED_OFF, EPLD_LED);
24 }
25}
26
27#ifdef CONFIG_HEARTBEAT
28
29#include <linux/sched.h>
30
31/* acts like an actual heart beat -- ie thump-thump-pause... */
32void heartbeat_harp(void)
33{
34 static unsigned cnt = 0, period = 0, dist = 0;
35
36 if (cnt == 0 || cnt == dist)
37 mach_led( -1, 1);
38 else if (cnt == 7 || cnt == dist+7)
39 mach_led( -1, 0);
40
41 if (++cnt > period) {
42 cnt = 0;
43 /* The hyperbolic function below modifies the heartbeat period
44 * length in dependency of the current (5min) load. It goes
45 * through the points f(0)=126, f(1)=86, f(5)=51,
46 * f(inf)->30. */
47 period = ((672<<FSHIFT)/(5*avenrun[0]+(7<<FSHIFT))) + 30;
48 dist = period / 4;
49 }
50}
51#endif
diff --git a/arch/sh/boards/harp/mach.c b/arch/sh/boards/harp/mach.c
deleted file mode 100644
index a946dd1674ca..000000000000
--- a/arch/sh/boards/harp/mach.c
+++ /dev/null
@@ -1,62 +0,0 @@
1/*
2 * linux/arch/sh/boards/harp/mach.c
3 *
4 * Copyright (C) 2000 Stuart Menefy (stuart.menefy@st.com)
5 *
6 * May be copied or modified under the terms of the GNU General Public
7 * License. See linux/COPYING for more information.
8 *
9 * Machine vector for the STMicroelectronics STB1 HARP and compatible boards
10 */
11
12#include <linux/init.h>
13
14#include <asm/machvec.h>
15#include <asm/rtc.h>
16#include <asm/machvec_init.h>
17#include <asm/hd64465/io.h>
18#include <asm/hd64465/hd64465.h>
19
20void setup_harp(void);
21void init_harp_irq(void);
22void heartbeat_harp(void);
23
24/*
25 * The Machine Vector
26 */
27
28struct sh_machine_vector mv_harp __initmv = {
29 .mv_nr_irqs = 89 + HD64465_IRQ_NUM,
30
31 .mv_inb = hd64465_inb,
32 .mv_inw = hd64465_inw,
33 .mv_inl = hd64465_inl,
34 .mv_outb = hd64465_outb,
35 .mv_outw = hd64465_outw,
36 .mv_outl = hd64465_outl,
37
38 .mv_inb_p = hd64465_inb_p,
39 .mv_inw_p = hd64465_inw,
40 .mv_inl_p = hd64465_inl,
41 .mv_outb_p = hd64465_outb_p,
42 .mv_outw_p = hd64465_outw,
43 .mv_outl_p = hd64465_outl,
44
45 .mv_insb = hd64465_insb,
46 .mv_insw = hd64465_insw,
47 .mv_insl = hd64465_insl,
48 .mv_outsb = hd64465_outsb,
49 .mv_outsw = hd64465_outsw,
50 .mv_outsl = hd64465_outsl,
51
52 .mv_isa_port2addr = hd64465_isa_port2addr,
53
54#ifdef CONFIG_PCI
55 .mv_init_irq = init_harp_irq,
56#endif
57#ifdef CONFIG_HEARTBEAT
58 .mv_heartbeat = heartbeat_harp,
59#endif
60};
61
62ALIAS_MV(harp)
diff --git a/arch/sh/boards/harp/pcidma.c b/arch/sh/boards/harp/pcidma.c
deleted file mode 100644
index 475311390fd6..000000000000
--- a/arch/sh/boards/harp/pcidma.c
+++ /dev/null
@@ -1,42 +0,0 @@
1/*
2 * Copyright (C) 2001 David J. Mckay (david.mckay@st.com)
3 *
4 * May be copied or modified under the terms of the GNU General Public
5 * License. See linux/COPYING for more information.
6 *
7 * Dynamic DMA mapping support.
8 */
9
10#include <linux/types.h>
11#include <linux/mm.h>
12#include <linux/string.h>
13#include <linux/pci.h>
14#include <asm/io.h>
15#include <asm/addrspace.h>
16
17
18void *pci_alloc_consistent(struct pci_dev *hwdev, size_t size,
19 dma_addr_t * dma_handle)
20{
21 void *ret;
22 int gfp = GFP_ATOMIC;
23
24 ret = (void *) __get_free_pages(gfp, get_order(size));
25
26 if (ret != NULL) {
27 /* Is it neccessary to do the memset? */
28 memset(ret, 0, size);
29 *dma_handle = virt_to_bus(ret);
30 }
31 /* We must flush the cache before we pass it on to the device */
32 flush_cache_all();
33 return P2SEGADDR(ret);
34}
35
36void pci_free_consistent(struct pci_dev *hwdev, size_t size,
37 void *vaddr, dma_addr_t dma_handle)
38{
39 unsigned long p1addr=P1SEGADDR((unsigned long)vaddr);
40
41 free_pages(p1addr, get_order(size));
42}
diff --git a/arch/sh/boards/harp/setup.c b/arch/sh/boards/harp/setup.c
deleted file mode 100644
index 886e450ab63e..000000000000
--- a/arch/sh/boards/harp/setup.c
+++ /dev/null
@@ -1,90 +0,0 @@
1/*
2 * arch/sh/stboard/setup.c
3 *
4 * Copyright (C) 2001 Stuart Menefy (stuart.menefy@st.com)
5 *
6 * May be copied or modified under the terms of the GNU General Public
7 * License. See linux/COPYING for more information.
8 *
9 * STMicroelectronics ST40STB1 HARP and compatible support.
10 */
11
12#include <linux/kernel.h>
13#include <linux/init.h>
14#include <asm/io.h>
15#include <asm/harp/harp.h>
16
17const char *get_system_type(void)
18{
19 return "STB1 Harp";
20}
21
22/*
23 * Initialize the board
24 */
25int __init platform_setup(void)
26{
27#ifdef CONFIG_SH_STB1_HARP
28 unsigned long ic8_version, ic36_version;
29
30 ic8_version = ctrl_inl(EPLD_REVID2);
31 ic36_version = ctrl_inl(EPLD_REVID1);
32
33 printk("STMicroelectronics STB1 HARP initialisaton\n");
34 printk("EPLD versions: IC8: %d.%02d, IC36: %d.%02d\n",
35 (ic8_version >> 4) & 0xf, ic8_version & 0xf,
36 (ic36_version >> 4) & 0xf, ic36_version & 0xf);
37#elif defined(CONFIG_SH_STB1_OVERDRIVE)
38 unsigned long version;
39
40 version = ctrl_inl(EPLD_REVID);
41
42 printk("STMicroelectronics STB1 Overdrive initialisaton\n");
43 printk("EPLD version: %d.%02d\n",
44 (version >> 4) & 0xf, version & 0xf);
45#else
46#error Undefined machine
47#endif
48
49 /* Currently all STB1 chips have problems with the sleep instruction,
50 * so disable it here.
51 */
52 disable_hlt();
53
54 return 0;
55}
56
57/*
58 * pcibios_map_platform_irq
59 *
60 * This is board specific and returns the IRQ for a given PCI device.
61 * It is used by the PCI code (arch/sh/kernel/st40_pci*)
62 *
63 */
64
65#define HARP_PCI_IRQ 1
66#define HARP_BRIDGE_IRQ 2
67#define OVERDRIVE_SLOT0_IRQ 0
68
69
70int __init pcibios_map_platform_irq(struct pci_dev *dev, u8 slot, u8 pin)
71{
72 switch (slot) {
73#ifdef CONFIG_SH_STB1_HARP
74 case 2: /*This is the PCI slot on the */
75 return HARP_PCI_IRQ;
76 case 1: /* this is the bridge */
77 return HARP_BRIDGE_IRQ;
78#elif defined(CONFIG_SH_STB1_OVERDRIVE)
79 case 1:
80 case 2:
81 case 3:
82 return slot - 1;
83#else
84#error Unknown board
85#endif
86 default:
87 return -1;
88 }
89}
90
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