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-rw-r--r--arch/mips/lemote/lm2e/Makefile7
-rw-r--r--arch/mips/lemote/lm2e/bonito-irq.c74
-rw-r--r--arch/mips/lemote/lm2e/dbg_io.c146
-rw-r--r--arch/mips/lemote/lm2e/irq.c143
-rw-r--r--arch/mips/lemote/lm2e/mem.c23
-rw-r--r--arch/mips/lemote/lm2e/pci.c97
-rw-r--r--arch/mips/lemote/lm2e/prom.c97
-rw-r--r--arch/mips/lemote/lm2e/reset.c41
-rw-r--r--arch/mips/lemote/lm2e/setup.c111
9 files changed, 0 insertions, 739 deletions
diff --git a/arch/mips/lemote/lm2e/Makefile b/arch/mips/lemote/lm2e/Makefile
deleted file mode 100644
index d34671d1b899..000000000000
--- a/arch/mips/lemote/lm2e/Makefile
+++ /dev/null
@@ -1,7 +0,0 @@
1#
2# Makefile for Lemote Fulong mini-PC board.
3#
4
5obj-y += setup.o prom.o reset.o irq.o pci.o bonito-irq.o dbg_io.o mem.o
6
7EXTRA_CFLAGS += -Werror
diff --git a/arch/mips/lemote/lm2e/bonito-irq.c b/arch/mips/lemote/lm2e/bonito-irq.c
deleted file mode 100644
index 8fc3bce7075b..000000000000
--- a/arch/mips/lemote/lm2e/bonito-irq.c
+++ /dev/null
@@ -1,74 +0,0 @@
1/*
2 * Copyright 2001 MontaVista Software Inc.
3 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
4 * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
5 *
6 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
7 * Author: Fuxin Zhang, zhangfx@lemote.com
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
28 *
29 */
30#include <linux/errno.h>
31#include <linux/init.h>
32#include <linux/io.h>
33#include <linux/types.h>
34#include <linux/interrupt.h>
35#include <linux/irq.h>
36
37#include <asm/mips-boards/bonito64.h>
38
39
40static inline void bonito_irq_enable(unsigned int irq)
41{
42 BONITO_INTENSET = (1 << (irq - BONITO_IRQ_BASE));
43 mmiowb();
44}
45
46static inline void bonito_irq_disable(unsigned int irq)
47{
48 BONITO_INTENCLR = (1 << (irq - BONITO_IRQ_BASE));
49 mmiowb();
50}
51
52static struct irq_chip bonito_irq_type = {
53 .name = "bonito_irq",
54 .ack = bonito_irq_disable,
55 .mask = bonito_irq_disable,
56 .mask_ack = bonito_irq_disable,
57 .unmask = bonito_irq_enable,
58};
59
60static struct irqaction dma_timeout_irqaction = {
61 .handler = no_action,
62 .name = "dma_timeout",
63};
64
65void bonito_irq_init(void)
66{
67 u32 i;
68
69 for (i = BONITO_IRQ_BASE; i < BONITO_IRQ_BASE + 32; i++) {
70 set_irq_chip_and_handler(i, &bonito_irq_type, handle_level_irq);
71 }
72
73 setup_irq(BONITO_IRQ_BASE + 10, &dma_timeout_irqaction);
74}
diff --git a/arch/mips/lemote/lm2e/dbg_io.c b/arch/mips/lemote/lm2e/dbg_io.c
deleted file mode 100644
index 6c95da3ca76f..000000000000
--- a/arch/mips/lemote/lm2e/dbg_io.c
+++ /dev/null
@@ -1,146 +0,0 @@
1/*
2 * Copyright 2001 MontaVista Software Inc.
3 * Author: Jun Sun, jsun@mvista.com or jsun@junsun.net
4 * Copyright (C) 2000, 2001 Ralf Baechle (ralf@gnu.org)
5 *
6 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
7 * Author: Fuxin Zhang, zhangfx@lemote.com
8 *
9 * This program is free software; you can redistribute it and/or modify it
10 * under the terms of the GNU General Public License as published by the
11 * Free Software Foundation; either version 2 of the License, or (at your
12 * option) any later version.
13 *
14 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
15 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
16 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
17 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
20 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
21 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 *
25 * You should have received a copy of the GNU General Public License along
26 * with this program; if not, write to the Free Software Foundation, Inc.,
27 * 675 Mass Ave, Cambridge, MA 02139, USA.
28 *
29 */
30
31#include <linux/io.h>
32#include <linux/init.h>
33#include <linux/types.h>
34
35#include <asm/serial.h>
36
37#define UART16550_BAUD_2400 2400
38#define UART16550_BAUD_4800 4800
39#define UART16550_BAUD_9600 9600
40#define UART16550_BAUD_19200 19200
41#define UART16550_BAUD_38400 38400
42#define UART16550_BAUD_57600 57600
43#define UART16550_BAUD_115200 115200
44
45#define UART16550_PARITY_NONE 0
46#define UART16550_PARITY_ODD 0x08
47#define UART16550_PARITY_EVEN 0x18
48#define UART16550_PARITY_MARK 0x28
49#define UART16550_PARITY_SPACE 0x38
50
51#define UART16550_DATA_5BIT 0x0
52#define UART16550_DATA_6BIT 0x1
53#define UART16550_DATA_7BIT 0x2
54#define UART16550_DATA_8BIT 0x3
55
56#define UART16550_STOP_1BIT 0x0
57#define UART16550_STOP_2BIT 0x4
58
59/* ----------------------------------------------------- */
60
61/* === CONFIG === */
62#ifdef CONFIG_64BIT
63#define BASE (0xffffffffbfd003f8)
64#else
65#define BASE (0xbfd003f8)
66#endif
67
68#define MAX_BAUD BASE_BAUD
69/* === END OF CONFIG === */
70
71#define REG_OFFSET 1
72
73/* register offset */
74#define OFS_RCV_BUFFER 0
75#define OFS_TRANS_HOLD 0
76#define OFS_SEND_BUFFER 0
77#define OFS_INTR_ENABLE (1*REG_OFFSET)
78#define OFS_INTR_ID (2*REG_OFFSET)
79#define OFS_DATA_FORMAT (3*REG_OFFSET)
80#define OFS_LINE_CONTROL (3*REG_OFFSET)
81#define OFS_MODEM_CONTROL (4*REG_OFFSET)
82#define OFS_RS232_OUTPUT (4*REG_OFFSET)
83#define OFS_LINE_STATUS (5*REG_OFFSET)
84#define OFS_MODEM_STATUS (6*REG_OFFSET)
85#define OFS_RS232_INPUT (6*REG_OFFSET)
86#define OFS_SCRATCH_PAD (7*REG_OFFSET)
87
88#define OFS_DIVISOR_LSB (0*REG_OFFSET)
89#define OFS_DIVISOR_MSB (1*REG_OFFSET)
90
91/* memory-mapped read/write of the port */
92#define UART16550_READ(y) readb((char *)BASE + (y))
93#define UART16550_WRITE(y, z) writeb(z, (char *)BASE + (y))
94
95void debugInit(u32 baud, u8 data, u8 parity, u8 stop)
96{
97 u32 divisor;
98
99 /* disable interrupts */
100 UART16550_WRITE(OFS_INTR_ENABLE, 0);
101
102 /* set up buad rate */
103 /* set DIAB bit */
104 UART16550_WRITE(OFS_LINE_CONTROL, 0x80);
105
106 /* set divisor */
107 divisor = MAX_BAUD / baud;
108 UART16550_WRITE(OFS_DIVISOR_LSB, divisor & 0xff);
109 UART16550_WRITE(OFS_DIVISOR_MSB, (divisor & 0xff00) >> 8);
110
111 /* clear DIAB bit */
112 UART16550_WRITE(OFS_LINE_CONTROL, 0x0);
113
114 /* set data format */
115 UART16550_WRITE(OFS_DATA_FORMAT, data | parity | stop);
116}
117
118static int remoteDebugInitialized;
119
120u8 getDebugChar(void)
121{
122 if (!remoteDebugInitialized) {
123 remoteDebugInitialized = 1;
124 debugInit(UART16550_BAUD_115200,
125 UART16550_DATA_8BIT,
126 UART16550_PARITY_NONE, UART16550_STOP_1BIT);
127 }
128
129 while ((UART16550_READ(OFS_LINE_STATUS) & 0x1) == 0) ;
130 return UART16550_READ(OFS_RCV_BUFFER);
131}
132
133int putDebugChar(u8 byte)
134{
135 if (!remoteDebugInitialized) {
136 remoteDebugInitialized = 1;
137 /*
138 debugInit(UART16550_BAUD_115200,
139 UART16550_DATA_8BIT,
140 UART16550_PARITY_NONE, UART16550_STOP_1BIT); */
141 }
142
143 while ((UART16550_READ(OFS_LINE_STATUS) & 0x20) == 0) ;
144 UART16550_WRITE(OFS_SEND_BUFFER, byte);
145 return 1;
146}
diff --git a/arch/mips/lemote/lm2e/irq.c b/arch/mips/lemote/lm2e/irq.c
deleted file mode 100644
index 1d0a09f3b832..000000000000
--- a/arch/mips/lemote/lm2e/irq.c
+++ /dev/null
@@ -1,143 +0,0 @@
1/*
2 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
3 * Author: Fuxin Zhang, zhangfx@lemote.com
4 *
5 * This program is free software; you can redistribute it and/or modify it
6 * under the terms of the GNU General Public License as published by the
7 * Free Software Foundation; either version 2 of the License, or (at your
8 * option) any later version.
9 *
10 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
11 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
12 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
13 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
14 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
15 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
16 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
17 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
18 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
19 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
20 *
21 * You should have received a copy of the GNU General Public License along
22 * with this program; if not, write to the Free Software Foundation, Inc.,
23 * 675 Mass Ave, Cambridge, MA 02139, USA.
24 *
25 */
26#include <linux/delay.h>
27#include <linux/io.h>
28#include <linux/init.h>
29#include <linux/interrupt.h>
30#include <linux/irq.h>
31
32#include <asm/irq_cpu.h>
33#include <asm/i8259.h>
34#include <asm/mipsregs.h>
35#include <asm/mips-boards/bonito64.h>
36
37
38/*
39 * the first level int-handler will jump here if it is a bonito irq
40 */
41static void bonito_irqdispatch(void)
42{
43 u32 int_status;
44 int i;
45
46 /* workaround the IO dma problem: let cpu looping to allow DMA finish */
47 int_status = BONITO_INTISR;
48 if (int_status & (1 << 10)) {
49 while (int_status & (1 << 10)) {
50 udelay(1);
51 int_status = BONITO_INTISR;
52 }
53 }
54
55 /* Get pending sources, masked by current enables */
56 int_status = BONITO_INTISR & BONITO_INTEN;
57
58 if (int_status != 0) {
59 i = __ffs(int_status);
60 int_status &= ~(1 << i);
61 do_IRQ(BONITO_IRQ_BASE + i);
62 }
63}
64
65static void i8259_irqdispatch(void)
66{
67 int irq;
68
69 irq = i8259_irq();
70 if (irq >= 0) {
71 do_IRQ(irq);
72 } else {
73 spurious_interrupt();
74 }
75
76}
77
78asmlinkage void plat_irq_dispatch(void)
79{
80 unsigned int pending = read_c0_cause() & read_c0_status() & ST0_IM;
81
82 if (pending & CAUSEF_IP7) {
83 do_IRQ(MIPS_CPU_IRQ_BASE + 7);
84 } else if (pending & CAUSEF_IP5) {
85 i8259_irqdispatch();
86 } else if (pending & CAUSEF_IP2) {
87 bonito_irqdispatch();
88 } else {
89 spurious_interrupt();
90 }
91}
92
93static struct irqaction cascade_irqaction = {
94 .handler = no_action,
95 .name = "cascade",
96};
97
98void __init arch_init_irq(void)
99{
100 extern void bonito_irq_init(void);
101
102 /*
103 * Clear all of the interrupts while we change the able around a bit.
104 * int-handler is not on bootstrap
105 */
106 clear_c0_status(ST0_IM | ST0_BEV);
107 local_irq_disable();
108
109 /* most bonito irq should be level triggered */
110 BONITO_INTEDGE = BONITO_ICU_SYSTEMERR | BONITO_ICU_MASTERERR |
111 BONITO_ICU_RETRYERR | BONITO_ICU_MBOXES;
112 BONITO_INTSTEER = 0;
113
114 /*
115 * Mask out all interrupt by writing "1" to all bit position in
116 * the interrupt reset reg.
117 */
118 BONITO_INTENCLR = ~0;
119
120 /* init all controller
121 * 0-15 ------> i8259 interrupt
122 * 16-23 ------> mips cpu interrupt
123 * 32-63 ------> bonito irq
124 */
125
126 /* Sets the first-level interrupt dispatcher. */
127 mips_cpu_irq_init();
128 init_i8259_irqs();
129 bonito_irq_init();
130
131 /*
132 printk("GPIODATA=%x, GPIOIE=%x\n", BONITO_GPIODATA, BONITO_GPIOIE);
133 printk("INTEN=%x, INTSET=%x, INTCLR=%x, INTISR=%x\n",
134 BONITO_INTEN, BONITO_INTENSET,
135 BONITO_INTENCLR, BONITO_INTISR);
136 */
137
138 /* bonito irq at IP2 */
139 setup_irq(MIPS_CPU_IRQ_BASE + 2, &cascade_irqaction);
140 /* 8259 irq at IP5 */
141 setup_irq(MIPS_CPU_IRQ_BASE + 5, &cascade_irqaction);
142
143}
diff --git a/arch/mips/lemote/lm2e/mem.c b/arch/mips/lemote/lm2e/mem.c
deleted file mode 100644
index 16cd21587d34..000000000000
--- a/arch/mips/lemote/lm2e/mem.c
+++ /dev/null
@@ -1,23 +0,0 @@
1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License as published by the
4 * Free Software Foundation; either version 2 of the License, or (at your
5 * option) any later version.
6 */
7#include <linux/fs.h>
8#include <linux/fcntl.h>
9#include <linux/mm.h>
10
11/* override of arch/mips/mm/cache.c: __uncached_access */
12int __uncached_access(struct file *file, unsigned long addr)
13{
14 if (file->f_flags & O_SYNC)
15 return 1;
16
17 /*
18 * On the Lemote Loongson 2e system, the peripheral registers
19 * reside between 0x1000:0000 and 0x2000:0000.
20 */
21 return addr >= __pa(high_memory) ||
22 ((addr >= 0x10000000) && (addr < 0x20000000));
23}
diff --git a/arch/mips/lemote/lm2e/pci.c b/arch/mips/lemote/lm2e/pci.c
deleted file mode 100644
index 8be03a8e1ad4..000000000000
--- a/arch/mips/lemote/lm2e/pci.c
+++ /dev/null
@@ -1,97 +0,0 @@
1/*
2 * pci.c
3 *
4 * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
5 * Author: Fuxin Zhang, zhangfx@lemote.com
6 *
7 * This program is free software; you can redistribute it and/or modify it
8 * under the terms of the GNU General Public License as published by the
9 * Free Software Foundation; either version 2 of the License, or (at your
10 * option) any later version.
11 *
12 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
13 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
14 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
15 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
16 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
17 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
18 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
19 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
20 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
21 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
22 *
23 * You should have received a copy of the GNU General Public License along
24 * with this program; if not, write to the Free Software Foundation, Inc.,
25 * 675 Mass Ave, Cambridge, MA 02139, USA.
26 *
27 */
28#include <linux/types.h>
29#include <linux/pci.h>
30#include <linux/kernel.h>
31#include <linux/init.h>
32#include <asm/mips-boards/bonito64.h>
33#include <asm/mach-lemote/pci.h>
34
35extern struct pci_ops bonito64_pci_ops;
36
37static struct resource loongson2e_pci_mem_resource = {
38 .name = "LOONGSON2E PCI MEM",
39 .start = LOONGSON2E_PCI_MEM_START,
40 .end = LOONGSON2E_PCI_MEM_END,
41 .flags = IORESOURCE_MEM,
42};
43
44static struct resource loongson2e_pci_io_resource = {
45 .name = "LOONGSON2E PCI IO MEM",
46 .start = LOONGSON2E_PCI_IO_START,
47 .end = IO_SPACE_LIMIT,
48 .flags = IORESOURCE_IO,
49};
50
51static struct pci_controller loongson2e_pci_controller = {
52 .pci_ops = &bonito64_pci_ops,
53 .io_resource = &loongson2e_pci_io_resource,
54 .mem_resource = &loongson2e_pci_mem_resource,
55 .mem_offset = 0x00000000UL,
56 .io_offset = 0x00000000UL,
57};
58
59static void __init ict_pcimap(void)
60{
61 /*
62 * local to PCI mapping: [256M,512M] -> [256M,512M]; differ from PMON
63 *
64 * CPU address space [256M,448M] is window for accessing pci space
65 * we set pcimap_lo[0,1,2] to map it to pci space [256M,448M]
66 * pcimap: bit18,pcimap_2; bit[17-12],lo2;bit[11-6],lo1;bit[5-0],lo0
67 */
68 /* 1,00 0110 ,0001 01,00 0000 */
69 BONITO_PCIMAP = 0x46140;
70
71 /* 1, 00 0010, 0000,01, 00 0000 */
72 /* BONITO_PCIMAP = 0x42040; */
73
74 /*
75 * PCI to local mapping: [2G,2G+256M] -> [0,256M]
76 */
77 BONITO_PCIBASE0 = 0x80000000;
78 BONITO_PCIBASE1 = 0x00800000;
79 BONITO_PCIBASE2 = 0x90000000;
80
81}
82
83static int __init pcibios_init(void)
84{
85 ict_pcimap();
86
87 loongson2e_pci_controller.io_map_base =
88 (unsigned long) ioremap(LOONGSON2E_IO_PORT_BASE,
89 loongson2e_pci_io_resource.end -
90 loongson2e_pci_io_resource.start + 1);
91
92 register_pci_controller(&loongson2e_pci_controller);
93
94 return 0;
95}
96
97arch_initcall(pcibios_init);
diff --git a/arch/mips/lemote/lm2e/prom.c b/arch/mips/lemote/lm2e/prom.c
deleted file mode 100644
index 7edc15dfed6c..000000000000
--- a/arch/mips/lemote/lm2e/prom.c
+++ /dev/null
@@ -1,97 +0,0 @@
1/*
2 * Based on Ocelot Linux port, which is
3 * Copyright 2001 MontaVista Software Inc.
4 * Author: jsun@mvista.com or jsun@junsun.net
5 *
6 * Copyright 2003 ICT CAS
7 * Author: Michael Guo <guoyi@ict.ac.cn>
8 *
9 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
10 * Author: Fuxin Zhang, zhangfx@lemote.com
11 *
12 * This program is free software; you can redistribute it and/or modify it
13 * under the terms of the GNU General Public License as published by the
14 * Free Software Foundation; either version 2 of the License, or (at your
15 * option) any later version.
16 */
17#include <linux/init.h>
18#include <linux/bootmem.h>
19#include <asm/bootinfo.h>
20
21extern unsigned long bus_clock;
22extern unsigned long cpu_clock_freq;
23extern unsigned int memsize, highmemsize;
24extern int putDebugChar(unsigned char byte);
25
26static int argc;
27/* pmon passes arguments in 32bit pointers */
28static int *arg;
29static int *env;
30
31const char *get_system_type(void)
32{
33 return "lemote-fulong";
34}
35
36void __init prom_init_cmdline(void)
37{
38 int i;
39 long l;
40
41 /* arg[0] is "g", the rest is boot parameters */
42 arcs_cmdline[0] = '\0';
43 for (i = 1; i < argc; i++) {
44 l = (long)arg[i];
45 if (strlen(arcs_cmdline) + strlen(((char *)l) + 1)
46 >= sizeof(arcs_cmdline))
47 break;
48 strcat(arcs_cmdline, ((char *)l));
49 strcat(arcs_cmdline, " ");
50 }
51}
52
53void __init prom_init(void)
54{
55 long l;
56 argc = fw_arg0;
57 arg = (int *)fw_arg1;
58 env = (int *)fw_arg2;
59
60 prom_init_cmdline();
61
62 if ((strstr(arcs_cmdline, "console=")) == NULL)
63 strcat(arcs_cmdline, " console=ttyS0,115200");
64 if ((strstr(arcs_cmdline, "root=")) == NULL)
65 strcat(arcs_cmdline, " root=/dev/hda1");
66
67#define parse_even_earlier(res, option, p) \
68do { \
69 if (strncmp(option, (char *)p, strlen(option)) == 0) \
70 res = simple_strtol((char *)p + strlen(option"="), \
71 NULL, 10); \
72} while (0)
73
74 l = (long)*env;
75 while (l != 0) {
76 parse_even_earlier(bus_clock, "busclock", l);
77 parse_even_earlier(cpu_clock_freq, "cpuclock", l);
78 parse_even_earlier(memsize, "memsize", l);
79 parse_even_earlier(highmemsize, "highmemsize", l);
80 env++;
81 l = (long)*env;
82 }
83 if (memsize == 0)
84 memsize = 256;
85
86 pr_info("busclock=%ld, cpuclock=%ld,memsize=%d,highmemsize=%d\n",
87 bus_clock, cpu_clock_freq, memsize, highmemsize);
88}
89
90void __init prom_free_prom_memory(void)
91{
92}
93
94void prom_putchar(char c)
95{
96 putDebugChar(c);
97}
diff --git a/arch/mips/lemote/lm2e/reset.c b/arch/mips/lemote/lm2e/reset.c
deleted file mode 100644
index 099387a3827a..000000000000
--- a/arch/mips/lemote/lm2e/reset.c
+++ /dev/null
@@ -1,41 +0,0 @@
1/*
2 * This program is free software; you can redistribute it and/or modify it
3 * under the terms of the GNU General Public License as published by the
4 * Free Software Foundation; either version 2 of the License, or (at your
5 * option) any later version.
6 *
7 * Copyright (C) 2007 Lemote, Inc. & Institute of Computing Technology
8 * Author: Fuxin Zhang, zhangfx@lemote.com
9 */
10#include <linux/pm.h>
11
12#include <asm/reboot.h>
13
14static void loongson2e_restart(char *command)
15{
16#ifdef CONFIG_32BIT
17 *(unsigned long *)0xbfe00104 &= ~(1 << 2);
18 *(unsigned long *)0xbfe00104 |= (1 << 2);
19#else
20 *(unsigned long *)0xffffffffbfe00104 &= ~(1 << 2);
21 *(unsigned long *)0xffffffffbfe00104 |= (1 << 2);
22#endif
23 __asm__ __volatile__("jr\t%0"::"r"(0xbfc00000));
24}
25
26static void loongson2e_halt(void)
27{
28 while (1) ;
29}
30
31static void loongson2e_power_off(void)
32{
33 loongson2e_halt();
34}
35
36void mips_reboot_setup(void)
37{
38 _machine_restart = loongson2e_restart;
39 _machine_halt = loongson2e_halt;
40 pm_power_off = loongson2e_power_off;
41}
diff --git a/arch/mips/lemote/lm2e/setup.c b/arch/mips/lemote/lm2e/setup.c
deleted file mode 100644
index ebd6ceaef2fd..000000000000
--- a/arch/mips/lemote/lm2e/setup.c
+++ /dev/null
@@ -1,111 +0,0 @@
1/*
2 * BRIEF MODULE DESCRIPTION
3 * setup.c - board dependent boot routines
4 *
5 * Copyright (C) 2007 Lemote Inc. & Insititute of Computing Technology
6 * Author: Fuxin Zhang, zhangfx@lemote.com
7 *
8 * This program is free software; you can redistribute it and/or modify it
9 * under the terms of the GNU General Public License as published by the
10 * Free Software Foundation; either version 2 of the License, or (at your
11 * option) any later version.
12 *
13 * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
14 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
15 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN
16 * NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF
19 * USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
20 * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23 *
24 * You should have received a copy of the GNU General Public License along
25 * with this program; if not, write to the Free Software Foundation, Inc.,
26 * 675 Mass Ave, Cambridge, MA 02139, USA.
27 *
28 */
29#include <linux/bootmem.h>
30#include <linux/init.h>
31#include <linux/irq.h>
32
33#include <asm/bootinfo.h>
34#include <asm/mc146818-time.h>
35#include <asm/time.h>
36#include <asm/wbflush.h>
37#include <asm/mach-lemote/pci.h>
38
39#ifdef CONFIG_VT
40#include <linux/console.h>
41#include <linux/screen_info.h>
42#endif
43
44extern void mips_reboot_setup(void);
45
46unsigned long cpu_clock_freq;
47unsigned long bus_clock;
48unsigned int memsize;
49unsigned int highmemsize = 0;
50
51void __init plat_time_init(void)
52{
53 /* setup mips r4k timer */
54 mips_hpt_frequency = cpu_clock_freq / 2;
55}
56
57unsigned long read_persistent_clock(void)
58{
59 return mc146818_get_cmos_time();
60}
61
62void (*__wbflush)(void);
63EXPORT_SYMBOL(__wbflush);
64
65static void wbflush_loongson2e(void)
66{
67 asm(".set\tpush\n\t"
68 ".set\tnoreorder\n\t"
69 ".set mips3\n\t"
70 "sync\n\t"
71 "nop\n\t"
72 ".set\tpop\n\t"
73 ".set mips0\n\t");
74}
75
76void __init plat_mem_setup(void)
77{
78 set_io_port_base((unsigned long)ioremap(LOONGSON2E_IO_PORT_BASE,
79 IO_SPACE_LIMIT - LOONGSON2E_PCI_IO_START + 1));
80 mips_reboot_setup();
81
82 __wbflush = wbflush_loongson2e;
83
84 add_memory_region(0x0, (memsize << 20), BOOT_MEM_RAM);
85#ifdef CONFIG_64BIT
86 if (highmemsize > 0) {
87 add_memory_region(0x20000000, highmemsize << 20, BOOT_MEM_RAM);
88 }
89#endif
90
91#ifdef CONFIG_VT
92#if defined(CONFIG_VGA_CONSOLE)
93 conswitchp = &vga_con;
94
95 screen_info = (struct screen_info) {
96 0, 25, /* orig-x, orig-y */
97 0, /* unused */
98 0, /* orig-video-page */
99 0, /* orig-video-mode */
100 80, /* orig-video-cols */
101 0, 0, 0, /* ega_ax, ega_bx, ega_cx */
102 25, /* orig-video-lines */
103 VIDEO_TYPE_VGAC, /* orig-video-isVGA */
104 16 /* orig-video-points */
105 };
106#elif defined(CONFIG_DUMMY_CONSOLE)
107 conswitchp = &dummy_con;
108#endif
109#endif
110
111}
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