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authorShinya Kuribayashi <skuribay@ruby.dti.ne.jp>2008-10-23 12:29:16 -0400
committerRalf Baechle <ralf@linux-mips.org>2008-10-27 12:18:29 -0400
commitf27655e34171b0ae9ea5a0aadae894e817f0f875 (patch)
tree3375121c5b9db911d5b16e56e47c1871bd9db9c1 /arch/mips/emma
parentcd741b604b94a4d5bebf2672626ffec7de44652c (diff)
MIPS: EMMA: Move arch/mips/emma2rh/ into arch/mips/emma/
git mv arch/mips/{emma2rh,emma} and fixups Makefiles. We'll put all NEC EMMA series based machines there in the future. Signed-off-by: Shinya Kuribayashi <shinya.kuribayashi@necel.com> Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
Diffstat (limited to 'arch/mips/emma')
-rw-r--r--arch/mips/emma/common/Makefile13
-rw-r--r--arch/mips/emma/common/irq.c105
-rw-r--r--arch/mips/emma/common/irq_emma2rh.c106
-rw-r--r--arch/mips/emma/common/prom.c72
-rw-r--r--arch/mips/emma/markeins/Makefile13
-rw-r--r--arch/mips/emma/markeins/irq.c132
-rw-r--r--arch/mips/emma/markeins/irq_markeins.c158
-rw-r--r--arch/mips/emma/markeins/led.c60
-rw-r--r--arch/mips/emma/markeins/platform.c191
-rw-r--r--arch/mips/emma/markeins/setup.c135
10 files changed, 985 insertions, 0 deletions
diff --git a/arch/mips/emma/common/Makefile b/arch/mips/emma/common/Makefile
new file mode 100644
index 000000000000..cb0fd328c61f
--- /dev/null
+++ b/arch/mips/emma/common/Makefile
@@ -0,0 +1,13 @@
1#
2# arch/mips/emma2rh/common/Makefile
3# Makefile for the common code of NEC EMMA2RH based board.
4#
5# Copyright (C) NEC Electronics Corporation 2005-2006
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12
13obj-$(CONFIG_NEC_MARKEINS) += irq.o irq_emma2rh.o prom.o
diff --git a/arch/mips/emma/common/irq.c b/arch/mips/emma/common/irq.c
new file mode 100644
index 000000000000..91cbd959ab67
--- /dev/null
+++ b/arch/mips/emma/common/irq.c
@@ -0,0 +1,105 @@
1/*
2 * arch/mips/emma2rh/common/irq.c
3 * This file is common irq dispatcher.
4 *
5 * Copyright (C) NEC Electronics Corporation 2005-2006
6 *
7 * This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c
8 *
9 * Copyright 2001 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25#include <linux/init.h>
26#include <linux/interrupt.h>
27#include <linux/irq.h>
28#include <linux/types.h>
29
30#include <asm/system.h>
31#include <asm/mipsregs.h>
32#include <asm/addrspace.h>
33#include <asm/bootinfo.h>
34
35#include <asm/emma2rh/emma2rh.h>
36
37/*
38 * the first level int-handler will jump here if it is a emma2rh irq
39 */
40void emma2rh_irq_dispatch(void)
41{
42 u32 intStatus;
43 u32 bitmask;
44 u32 i;
45
46 intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_0)
47 & emma2rh_in32(EMMA2RH_BHIF_INT_EN_0);
48
49#ifdef EMMA2RH_SW_CASCADE
50 if (intStatus &
51 (1 << ((EMMA2RH_SW_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) {
52 u32 swIntStatus;
53 swIntStatus = emma2rh_in32(EMMA2RH_BHIF_SW_INT)
54 & emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
55 for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
56 if (swIntStatus & bitmask) {
57 do_IRQ(EMMA2RH_SW_IRQ_BASE + i);
58 return;
59 }
60 }
61 }
62#endif
63
64 for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
65 if (intStatus & bitmask) {
66 do_IRQ(EMMA2RH_IRQ_BASE + i);
67 return;
68 }
69 }
70
71 intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_1)
72 & emma2rh_in32(EMMA2RH_BHIF_INT_EN_1);
73
74#ifdef EMMA2RH_GPIO_CASCADE
75 if (intStatus &
76 (1 << ((EMMA2RH_GPIO_CASCADE - EMMA2RH_IRQ_INT0) & (32 - 1)))) {
77 u32 gpioIntStatus;
78 gpioIntStatus = emma2rh_in32(EMMA2RH_GPIO_INT_ST)
79 & emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
80 for (i = 0, bitmask = 1; i < 32; i++, bitmask <<= 1) {
81 if (gpioIntStatus & bitmask) {
82 do_IRQ(EMMA2RH_GPIO_IRQ_BASE + i);
83 return;
84 }
85 }
86 }
87#endif
88
89 for (i = 32, bitmask = 1; i < 64; i++, bitmask <<= 1) {
90 if (intStatus & bitmask) {
91 do_IRQ(EMMA2RH_IRQ_BASE + i);
92 return;
93 }
94 }
95
96 intStatus = emma2rh_in32(EMMA2RH_BHIF_INT_ST_2)
97 & emma2rh_in32(EMMA2RH_BHIF_INT_EN_2);
98
99 for (i = 64, bitmask = 1; i < 96; i++, bitmask <<= 1) {
100 if (intStatus & bitmask) {
101 do_IRQ(EMMA2RH_IRQ_BASE + i);
102 return;
103 }
104 }
105}
diff --git a/arch/mips/emma/common/irq_emma2rh.c b/arch/mips/emma/common/irq_emma2rh.c
new file mode 100644
index 000000000000..96df37b77759
--- /dev/null
+++ b/arch/mips/emma/common/irq_emma2rh.c
@@ -0,0 +1,106 @@
1/*
2 * arch/mips/emma2rh/common/irq_emma2rh.c
3 * This file defines the irq handler for EMMA2RH.
4 *
5 * Copyright (C) NEC Electronics Corporation 2005-2006
6 *
7 * This file is based on the arch/mips/ddb5xxx/ddb5477/irq_5477.c
8 *
9 * Copyright 2001 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25
26/*
27 * EMMA2RH defines 64 IRQs.
28 *
29 * This file exports one function:
30 * emma2rh_irq_init(u32 irq_base);
31 */
32
33#include <linux/interrupt.h>
34#include <linux/types.h>
35#include <linux/ptrace.h>
36
37#include <asm/debug.h>
38
39#include <asm/emma2rh/emma2rh.h>
40
41/* number of total irqs supported by EMMA2RH */
42#define NUM_EMMA2RH_IRQ 96
43
44static int emma2rh_irq_base = -1;
45
46void ll_emma2rh_irq_enable(int);
47void ll_emma2rh_irq_disable(int);
48
49static void emma2rh_irq_enable(unsigned int irq)
50{
51 ll_emma2rh_irq_enable(irq - emma2rh_irq_base);
52}
53
54static void emma2rh_irq_disable(unsigned int irq)
55{
56 ll_emma2rh_irq_disable(irq - emma2rh_irq_base);
57}
58
59struct irq_chip emma2rh_irq_controller = {
60 .name = "emma2rh_irq",
61 .ack = emma2rh_irq_disable,
62 .mask = emma2rh_irq_disable,
63 .mask_ack = emma2rh_irq_disable,
64 .unmask = emma2rh_irq_enable,
65};
66
67void emma2rh_irq_init(u32 irq_base)
68{
69 u32 i;
70
71 for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ; i++)
72 set_irq_chip_and_handler(i, &emma2rh_irq_controller,
73 handle_level_irq);
74
75 emma2rh_irq_base = irq_base;
76}
77
78void ll_emma2rh_irq_enable(int emma2rh_irq)
79{
80 u32 reg_value;
81 u32 reg_bitmask;
82 u32 reg_index;
83
84 reg_index = EMMA2RH_BHIF_INT_EN_0
85 + (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0)
86 * (emma2rh_irq / 32);
87 reg_value = emma2rh_in32(reg_index);
88 reg_bitmask = 0x1 << (emma2rh_irq % 32);
89 db_assert((reg_value & reg_bitmask) == 0);
90 emma2rh_out32(reg_index, reg_value | reg_bitmask);
91}
92
93void ll_emma2rh_irq_disable(int emma2rh_irq)
94{
95 u32 reg_value;
96 u32 reg_bitmask;
97 u32 reg_index;
98
99 reg_index = EMMA2RH_BHIF_INT_EN_0
100 + (EMMA2RH_BHIF_INT_EN_1 - EMMA2RH_BHIF_INT_EN_0)
101 * (emma2rh_irq / 32);
102 reg_value = emma2rh_in32(reg_index);
103 reg_bitmask = 0x1 << (emma2rh_irq % 32);
104 db_assert((reg_value & reg_bitmask) != 0);
105 emma2rh_out32(reg_index, reg_value & ~reg_bitmask);
106}
diff --git a/arch/mips/emma/common/prom.c b/arch/mips/emma/common/prom.c
new file mode 100644
index 000000000000..97bf29e755a0
--- /dev/null
+++ b/arch/mips/emma/common/prom.c
@@ -0,0 +1,72 @@
1/*
2 * arch/mips/emma2rh/common/prom.c
3 * This file is prom file.
4 *
5 * Copyright (C) NEC Electronics Corporation 2004-2006
6 *
7 * This file is based on the arch/mips/ddb5xxx/common/prom.c
8 *
9 * Copyright 2001 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25#include <linux/init.h>
26#include <linux/mm.h>
27#include <linux/sched.h>
28#include <linux/bootmem.h>
29
30#include <asm/addrspace.h>
31#include <asm/bootinfo.h>
32#include <asm/emma2rh/emma2rh.h>
33
34const char *get_system_type(void)
35{
36#ifdef CONFIG_NEC_MARKEINS
37 return "NEC EMMA2RH Mark-eins";
38#else
39#error Unknown NEC board
40#endif
41}
42
43/* [jsun@junsun.net] PMON passes arguments in C main() style */
44void __init prom_init(void)
45{
46 int argc = fw_arg0;
47 char **arg = (char **)fw_arg1;
48 int i;
49
50 /* if user passes kernel args, ignore the default one */
51 if (argc > 1)
52 arcs_cmdline[0] = '\0';
53
54 /* arg[0] is "g", the rest is boot parameters */
55 for (i = 1; i < argc; i++) {
56 if (strlen(arcs_cmdline) + strlen(arg[i] + 1)
57 >= sizeof(arcs_cmdline))
58 break;
59 strcat(arcs_cmdline, arg[i]);
60 strcat(arcs_cmdline, " ");
61 }
62
63#ifdef CONFIG_NEC_MARKEINS
64 add_memory_region(0, EMMA2RH_RAM_SIZE, BOOT_MEM_RAM);
65#else
66#error Unknown NEC board
67#endif
68}
69
70void __init prom_free_prom_memory(void)
71{
72}
diff --git a/arch/mips/emma/markeins/Makefile b/arch/mips/emma/markeins/Makefile
new file mode 100644
index 000000000000..3c8b864f7bc5
--- /dev/null
+++ b/arch/mips/emma/markeins/Makefile
@@ -0,0 +1,13 @@
1#
2# arch/mips/emma2rh/markeins/Makefile
3# Makefile for the common code of NEC EMMA2RH based board.
4#
5# Copyright (C) NEC Electronics Corporation 2005-2006
6#
7# This program is free software; you can redistribute it and/or modify
8# it under the terms of the GNU General Public License as published by
9# the Free Software Foundation; either version 2 of the License, or
10# (at your option) any later version.
11#
12
13obj-$(CONFIG_NEC_MARKEINS) += irq.o irq_markeins.o setup.o led.o platform.o
diff --git a/arch/mips/emma/markeins/irq.c b/arch/mips/emma/markeins/irq.c
new file mode 100644
index 000000000000..6bcf6a06367a
--- /dev/null
+++ b/arch/mips/emma/markeins/irq.c
@@ -0,0 +1,132 @@
1/*
2 * arch/mips/emma2rh/markeins/irq.c
3 * This file defines the irq handler for EMMA2RH.
4 *
5 * Copyright (C) NEC Electronics Corporation 2004-2006
6 *
7 * This file is based on the arch/mips/ddb5xxx/ddb5477/irq.c
8 *
9 * Copyright 2001 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25#include <linux/init.h>
26#include <linux/interrupt.h>
27#include <linux/irq.h>
28#include <linux/types.h>
29#include <linux/ptrace.h>
30#include <linux/delay.h>
31
32#include <asm/irq_cpu.h>
33#include <asm/system.h>
34#include <asm/mipsregs.h>
35#include <asm/debug.h>
36#include <asm/addrspace.h>
37#include <asm/bootinfo.h>
38
39#include <asm/emma2rh/emma2rh.h>
40
41/*
42 * IRQ mapping
43 *
44 * 0-7: 8 CPU interrupts
45 * 0 - software interrupt 0
46 * 1 - software interrupt 1
47 * 2 - most Vrc5477 interrupts are routed to this pin
48 * 3 - (optional) some other interrupts routed to this pin for debugg
49 * 4 - not used
50 * 5 - not used
51 * 6 - not used
52 * 7 - cpu timer (used by default)
53 *
54 */
55
56extern void emma2rh_sw_irq_init(u32 base);
57extern void emma2rh_gpio_irq_init(u32 base);
58extern void emma2rh_irq_init(u32 base);
59extern void emma2rh_irq_dispatch(void);
60
61static struct irqaction irq_cascade = {
62 .handler = no_action,
63 .flags = 0,
64 .mask = CPU_MASK_NONE,
65 .name = "cascade",
66 .dev_id = NULL,
67 .next = NULL,
68};
69
70void __init arch_init_irq(void)
71{
72 u32 reg;
73
74 db_run(printk("markeins_irq_setup invoked.\n"));
75
76 /* by default, interrupts are disabled. */
77 emma2rh_out32(EMMA2RH_BHIF_INT_EN_0, 0);
78 emma2rh_out32(EMMA2RH_BHIF_INT_EN_1, 0);
79 emma2rh_out32(EMMA2RH_BHIF_INT_EN_2, 0);
80 emma2rh_out32(EMMA2RH_BHIF_INT1_EN_0, 0);
81 emma2rh_out32(EMMA2RH_BHIF_INT1_EN_1, 0);
82 emma2rh_out32(EMMA2RH_BHIF_INT1_EN_2, 0);
83 emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, 0);
84
85 clear_c0_status(0xff00);
86 set_c0_status(0x0400);
87
88#define GPIO_PCI (0xf<<15)
89 /* setup GPIO interrupt for PCI interface */
90 /* direction input */
91 reg = emma2rh_in32(EMMA2RH_GPIO_DIR);
92 emma2rh_out32(EMMA2RH_GPIO_DIR, reg & ~GPIO_PCI);
93 /* disable interrupt */
94 reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
95 emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg & ~GPIO_PCI);
96 /* level triggerd */
97 reg = emma2rh_in32(EMMA2RH_GPIO_INT_MODE);
98 emma2rh_out32(EMMA2RH_GPIO_INT_MODE, reg | GPIO_PCI);
99 reg = emma2rh_in32(EMMA2RH_GPIO_INT_CND_A);
100 emma2rh_out32(EMMA2RH_GPIO_INT_CND_A, reg & (~GPIO_PCI));
101 /* interrupt clear */
102 emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~GPIO_PCI);
103
104 /* init all controllers */
105 emma2rh_irq_init(EMMA2RH_IRQ_BASE);
106 emma2rh_sw_irq_init(EMMA2RH_SW_IRQ_BASE);
107 emma2rh_gpio_irq_init(EMMA2RH_GPIO_IRQ_BASE);
108 mips_cpu_irq_init();
109
110 /* setup cascade interrupts */
111 setup_irq(EMMA2RH_IRQ_BASE + EMMA2RH_SW_CASCADE, &irq_cascade);
112 setup_irq(EMMA2RH_IRQ_BASE + EMMA2RH_GPIO_CASCADE, &irq_cascade);
113 setup_irq(CPU_IRQ_BASE + CPU_EMMA2RH_CASCADE, &irq_cascade);
114}
115
116asmlinkage void plat_irq_dispatch(void)
117{
118 unsigned int pending = read_c0_status() & read_c0_cause() & ST0_IM;
119
120 if (pending & STATUSF_IP7)
121 do_IRQ(CPU_IRQ_BASE + 7);
122 else if (pending & STATUSF_IP2)
123 emma2rh_irq_dispatch();
124 else if (pending & STATUSF_IP1)
125 do_IRQ(CPU_IRQ_BASE + 1);
126 else if (pending & STATUSF_IP0)
127 do_IRQ(CPU_IRQ_BASE + 0);
128 else
129 spurious_interrupt();
130}
131
132
diff --git a/arch/mips/emma/markeins/irq_markeins.c b/arch/mips/emma/markeins/irq_markeins.c
new file mode 100644
index 000000000000..fba5c156f472
--- /dev/null
+++ b/arch/mips/emma/markeins/irq_markeins.c
@@ -0,0 +1,158 @@
1/*
2 * arch/mips/emma2rh/markeins/irq_markeins.c
3 * This file defines the irq handler for Mark-eins.
4 *
5 * Copyright (C) NEC Electronics Corporation 2004-2006
6 *
7 * This file is based on the arch/mips/ddb5xxx/ddb5477/irq_5477.c
8 *
9 * Copyright 2001 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25#include <linux/interrupt.h>
26#include <linux/irq.h>
27#include <linux/types.h>
28#include <linux/ptrace.h>
29
30#include <asm/debug.h>
31#include <asm/emma2rh/emma2rh.h>
32
33static int emma2rh_sw_irq_base = -1;
34static int emma2rh_gpio_irq_base = -1;
35
36void ll_emma2rh_sw_irq_enable(int reg);
37void ll_emma2rh_sw_irq_disable(int reg);
38void ll_emma2rh_gpio_irq_enable(int reg);
39void ll_emma2rh_gpio_irq_disable(int reg);
40
41static void emma2rh_sw_irq_enable(unsigned int irq)
42{
43 ll_emma2rh_sw_irq_enable(irq - emma2rh_sw_irq_base);
44}
45
46static void emma2rh_sw_irq_disable(unsigned int irq)
47{
48 ll_emma2rh_sw_irq_disable(irq - emma2rh_sw_irq_base);
49}
50
51struct irq_chip emma2rh_sw_irq_controller = {
52 .name = "emma2rh_sw_irq",
53 .ack = emma2rh_sw_irq_disable,
54 .mask = emma2rh_sw_irq_disable,
55 .mask_ack = emma2rh_sw_irq_disable,
56 .unmask = emma2rh_sw_irq_enable,
57};
58
59void emma2rh_sw_irq_init(u32 irq_base)
60{
61 u32 i;
62
63 for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ_SW; i++)
64 set_irq_chip_and_handler(i, &emma2rh_sw_irq_controller,
65 handle_level_irq);
66
67 emma2rh_sw_irq_base = irq_base;
68}
69
70void ll_emma2rh_sw_irq_enable(int irq)
71{
72 u32 reg;
73
74 db_assert(irq >= 0);
75 db_assert(irq < NUM_EMMA2RH_IRQ_SW);
76
77 reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
78 reg |= 1 << irq;
79 emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
80}
81
82void ll_emma2rh_sw_irq_disable(int irq)
83{
84 u32 reg;
85
86 db_assert(irq >= 0);
87 db_assert(irq < 32);
88
89 reg = emma2rh_in32(EMMA2RH_BHIF_SW_INT_EN);
90 reg &= ~(1 << irq);
91 emma2rh_out32(EMMA2RH_BHIF_SW_INT_EN, reg);
92}
93
94static void emma2rh_gpio_irq_enable(unsigned int irq)
95{
96 ll_emma2rh_gpio_irq_enable(irq - emma2rh_gpio_irq_base);
97}
98
99static void emma2rh_gpio_irq_disable(unsigned int irq)
100{
101 ll_emma2rh_gpio_irq_disable(irq - emma2rh_gpio_irq_base);
102}
103
104static void emma2rh_gpio_irq_ack(unsigned int irq)
105{
106 irq -= emma2rh_gpio_irq_base;
107 emma2rh_out32(EMMA2RH_GPIO_INT_ST, ~(1 << irq));
108 ll_emma2rh_gpio_irq_disable(irq);
109}
110
111static void emma2rh_gpio_irq_end(unsigned int irq)
112{
113 if (!(irq_desc[irq].status & (IRQ_DISABLED | IRQ_INPROGRESS)))
114 ll_emma2rh_gpio_irq_enable(irq - emma2rh_gpio_irq_base);
115}
116
117struct irq_chip emma2rh_gpio_irq_controller = {
118 .name = "emma2rh_gpio_irq",
119 .ack = emma2rh_gpio_irq_ack,
120 .mask = emma2rh_gpio_irq_disable,
121 .mask_ack = emma2rh_gpio_irq_ack,
122 .unmask = emma2rh_gpio_irq_enable,
123 .end = emma2rh_gpio_irq_end,
124};
125
126void emma2rh_gpio_irq_init(u32 irq_base)
127{
128 u32 i;
129
130 for (i = irq_base; i < irq_base + NUM_EMMA2RH_IRQ_GPIO; i++)
131 set_irq_chip(i, &emma2rh_gpio_irq_controller);
132
133 emma2rh_gpio_irq_base = irq_base;
134}
135
136void ll_emma2rh_gpio_irq_enable(int irq)
137{
138 u32 reg;
139
140 db_assert(irq >= 0);
141 db_assert(irq < NUM_EMMA2RH_IRQ_GPIO);
142
143 reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
144 reg |= 1 << irq;
145 emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
146}
147
148void ll_emma2rh_gpio_irq_disable(int irq)
149{
150 u32 reg;
151
152 db_assert(irq >= 0);
153 db_assert(irq < NUM_EMMA2RH_IRQ_GPIO);
154
155 reg = emma2rh_in32(EMMA2RH_GPIO_INT_MASK);
156 reg &= ~(1 << irq);
157 emma2rh_out32(EMMA2RH_GPIO_INT_MASK, reg);
158}
diff --git a/arch/mips/emma/markeins/led.c b/arch/mips/emma/markeins/led.c
new file mode 100644
index 000000000000..b65254c1bfe9
--- /dev/null
+++ b/arch/mips/emma/markeins/led.c
@@ -0,0 +1,60 @@
1/*
2 * arch/mips/emma2rh/markeins/led.c
3 * This file defines the led display for Mark-eins.
4 *
5 * Copyright (C) NEC Electronics Corporation 2004-2006
6 *
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License, or
10 * (at your option) any later version.
11 *
12 * This program is distributed in the hope that it will be useful,
13 * but WITHOUT ANY WARRANTY; without even the implied warranty of
14 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 * GNU General Public License for more details.
16 *
17 * You should have received a copy of the GNU General Public License
18 * along with this program; if not, write to the Free Software
19 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
20 */
21#include <linux/kernel.h>
22#include <linux/types.h>
23#include <linux/string.h>
24#include <asm/emma2rh/emma2rh.h>
25
26const unsigned long clear = 0x20202020;
27
28#define LED_BASE 0xb1400038
29
30void markeins_led_clear(void)
31{
32 emma2rh_out32(LED_BASE, clear);
33 emma2rh_out32(LED_BASE + 4, clear);
34}
35
36void markeins_led(const char *str)
37{
38 int i;
39 int len = strlen(str);
40
41 markeins_led_clear();
42 if (len > 8)
43 len = 8;
44
45 if (emma2rh_in32(0xb0000800) & (0x1 << 18))
46 for (i = 0; i < len; i++)
47 emma2rh_out8(LED_BASE + i, str[i]);
48 else
49 for (i = 0; i < len; i++)
50 emma2rh_out8(LED_BASE + (i & 4) + (3 - (i & 3)),
51 str[i]);
52}
53
54void markeins_led_hex(u32 val)
55{
56 char str[10];
57
58 sprintf(str, "%08x", val);
59 markeins_led(str);
60}
diff --git a/arch/mips/emma/markeins/platform.c b/arch/mips/emma/markeins/platform.c
new file mode 100644
index 000000000000..fb9cda253ab0
--- /dev/null
+++ b/arch/mips/emma/markeins/platform.c
@@ -0,0 +1,191 @@
1/*
2 * arch/mips/emma2rh/markeins/platofrm.c
3 * This file sets up platform devices for EMMA2RH Mark-eins.
4 *
5 * Copyright(C) MontaVista Software Inc, 2006
6 *
7 * Author: dmitry pervushin <dpervushin@ru.mvista.com>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 */
23#include <linux/init.h>
24#include <linux/kernel.h>
25#include <linux/types.h>
26#include <linux/ioport.h>
27#include <linux/serial_8250.h>
28#include <linux/mtd/physmap.h>
29
30#include <asm/cpu.h>
31#include <asm/bootinfo.h>
32#include <asm/addrspace.h>
33#include <asm/time.h>
34#include <asm/bcache.h>
35#include <asm/irq.h>
36#include <asm/reboot.h>
37#include <asm/traps.h>
38
39#include <asm/emma2rh/emma2rh.h>
40
41
42#define I2C_EMMA2RH "emma2rh-iic" /* must be in sync with IIC driver */
43
44static struct resource i2c_emma_resources_0[] = {
45 {
46 .name = NULL,
47 .start = EMMA2RH_IRQ_PIIC0,
48 .end = EMMA2RH_IRQ_PIIC0,
49 .flags = IORESOURCE_IRQ
50 }, {
51 .name = NULL,
52 .start = EMMA2RH_PIIC0_BASE,
53 .end = EMMA2RH_PIIC0_BASE + 0x1000,
54 .flags = 0
55 },
56};
57
58struct resource i2c_emma_resources_1[] = {
59 {
60 .name = NULL,
61 .start = EMMA2RH_IRQ_PIIC1,
62 .end = EMMA2RH_IRQ_PIIC1,
63 .flags = IORESOURCE_IRQ
64 }, {
65 .name = NULL,
66 .start = EMMA2RH_PIIC1_BASE,
67 .end = EMMA2RH_PIIC1_BASE + 0x1000,
68 .flags = 0
69 },
70};
71
72struct resource i2c_emma_resources_2[] = {
73 {
74 .name = NULL,
75 .start = EMMA2RH_IRQ_PIIC2,
76 .end = EMMA2RH_IRQ_PIIC2,
77 .flags = IORESOURCE_IRQ
78 }, {
79 .name = NULL,
80 .start = EMMA2RH_PIIC2_BASE,
81 .end = EMMA2RH_PIIC2_BASE + 0x1000,
82 .flags = 0
83 },
84};
85
86struct platform_device i2c_emma_devices[] = {
87 [0] = {
88 .name = I2C_EMMA2RH,
89 .id = 0,
90 .resource = i2c_emma_resources_0,
91 .num_resources = ARRAY_SIZE(i2c_emma_resources_0),
92 },
93 [1] = {
94 .name = I2C_EMMA2RH,
95 .id = 1,
96 .resource = i2c_emma_resources_1,
97 .num_resources = ARRAY_SIZE(i2c_emma_resources_1),
98 },
99 [2] = {
100 .name = I2C_EMMA2RH,
101 .id = 2,
102 .resource = i2c_emma_resources_2,
103 .num_resources = ARRAY_SIZE(i2c_emma_resources_2),
104 },
105};
106
107#define EMMA2RH_SERIAL_CLOCK 18544000
108#define EMMA2RH_SERIAL_FLAGS UPF_BOOT_AUTOCONF | UPF_SKIP_TEST
109
110static struct plat_serial8250_port platform_serial_ports[] = {
111 [0] = {
112 .membase= (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR0_BASE + 3),
113 .irq = EMMA2RH_IRQ_PFUR0,
114 .uartclk = EMMA2RH_SERIAL_CLOCK,
115 .regshift = 4,
116 .iotype = UPIO_MEM,
117 .flags = EMMA2RH_SERIAL_FLAGS,
118 }, [1] = {
119 .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR1_BASE + 3),
120 .irq = EMMA2RH_IRQ_PFUR1,
121 .uartclk = EMMA2RH_SERIAL_CLOCK,
122 .regshift = 4,
123 .iotype = UPIO_MEM,
124 .flags = EMMA2RH_SERIAL_FLAGS,
125 }, [2] = {
126 .membase = (void __iomem*)KSEG1ADDR(EMMA2RH_PFUR2_BASE + 3),
127 .irq = EMMA2RH_IRQ_PFUR2,
128 .uartclk = EMMA2RH_SERIAL_CLOCK,
129 .regshift = 4,
130 .iotype = UPIO_MEM,
131 .flags = EMMA2RH_SERIAL_FLAGS,
132 }, [3] = {
133 .flags = 0,
134 },
135};
136
137static struct platform_device serial_emma = {
138 .name = "serial8250",
139 .dev = {
140 .platform_data = &platform_serial_ports,
141 },
142};
143
144static struct platform_device *devices[] = {
145 &i2c_emma_devices[0],
146 &i2c_emma_devices[1],
147 &i2c_emma_devices[2],
148 &serial_emma,
149};
150
151static struct mtd_partition markeins_parts[] = {
152 [0] = {
153 .name = "RootFS",
154 .offset = 0x00000000,
155 .size = 0x00c00000,
156 },
157 [1] = {
158 .name = "boot code area",
159 .offset = MTDPART_OFS_APPEND,
160 .size = 0x00100000,
161 },
162 [2] = {
163 .name = "kernel image",
164 .offset = MTDPART_OFS_APPEND,
165 .size = 0x00300000,
166 },
167 [3] = {
168 .name = "RootFS2",
169 .offset = MTDPART_OFS_APPEND,
170 .size = 0x00c00000,
171 },
172 [4] = {
173 .name = "boot code area2",
174 .offset = MTDPART_OFS_APPEND,
175 .size = 0x00100000,
176 },
177 [5] = {
178 .name = "kernel image2",
179 .offset = MTDPART_OFS_APPEND,
180 .size = MTDPART_SIZ_FULL,
181 },
182};
183
184static int __init platform_devices_setup(void)
185{
186 physmap_set_partitions(markeins_parts, ARRAY_SIZE(markeins_parts));
187 return platform_add_devices(devices, ARRAY_SIZE(devices));
188}
189
190arch_initcall(platform_devices_setup);
191
diff --git a/arch/mips/emma/markeins/setup.c b/arch/mips/emma/markeins/setup.c
new file mode 100644
index 000000000000..b6a23ad539f8
--- /dev/null
+++ b/arch/mips/emma/markeins/setup.c
@@ -0,0 +1,135 @@
1/*
2 * arch/mips/emma2rh/markeins/setup.c
3 * This file is setup for EMMA2RH Mark-eins.
4 *
5 * Copyright (C) NEC Electronics Corporation 2004-2006
6 *
7 * This file is based on the arch/mips/ddb5xxx/ddb5477/setup.c.
8 *
9 * Copyright 2001 MontaVista Software Inc.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 2 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, write to the Free Software
23 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
24 */
25#include <linux/init.h>
26#include <linux/kernel.h>
27#include <linux/types.h>
28
29#include <asm/time.h>
30#include <asm/reboot.h>
31
32#include <asm/emma2rh/emma2rh.h>
33
34#define USE_CPU_COUNTER_TIMER /* whether we use cpu counter */
35
36extern void markeins_led(const char *);
37
38static int bus_frequency = 0;
39
40static void markeins_machine_restart(char *command)
41{
42 static void (*back_to_prom) (void) = (void (*)(void))0xbfc00000;
43
44 printk("cannot EMMA2RH Mark-eins restart.\n");
45 markeins_led("restart.");
46 back_to_prom();
47}
48
49static void markeins_machine_halt(void)
50{
51 printk("EMMA2RH Mark-eins halted.\n");
52 markeins_led("halted.");
53 while (1) ;
54}
55
56static void markeins_machine_power_off(void)
57{
58 printk("EMMA2RH Mark-eins halted. Please turn off the power.\n");
59 markeins_led("poweroff.");
60 while (1) ;
61}
62
63static unsigned long __initdata emma2rh_clock[4] = {
64 166500000, 187312500, 199800000, 210600000
65};
66
67static unsigned int __init detect_bus_frequency(unsigned long rtc_base)
68{
69 u32 reg;
70
71 /* detect from boot strap */
72 reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
73 reg = (reg >> 4) & 0x3;
74
75 return emma2rh_clock[reg];
76}
77
78void __init plat_time_init(void)
79{
80 u32 reg;
81 if (bus_frequency == 0)
82 bus_frequency = detect_bus_frequency(0);
83
84 reg = emma2rh_in32(EMMA2RH_BHIF_STRAP_0);
85 if ((reg & 0x3) == 0)
86 reg = (reg >> 6) & 0x3;
87 else {
88 reg = emma2rh_in32(EMMA2RH_BHIF_MAIN_CTRL);
89 reg = (reg >> 4) & 0x3;
90 }
91 mips_hpt_frequency = (bus_frequency * (4 + reg)) / 4 / 2;
92}
93
94static void markeins_board_init(void);
95extern void markeins_irq_setup(void);
96
97static void inline __init markeins_sio_setup(void)
98{
99}
100
101void __init plat_mem_setup(void)
102{
103 /* initialize board - we don't trust the loader */
104 markeins_board_init();
105
106 set_io_port_base(KSEG1ADDR(EMMA2RH_PCI_IO_BASE));
107
108 _machine_restart = markeins_machine_restart;
109 _machine_halt = markeins_machine_halt;
110 pm_power_off = markeins_machine_power_off;
111
112 /* setup resource limits */
113 ioport_resource.start = EMMA2RH_PCI_IO_BASE;
114 ioport_resource.end = EMMA2RH_PCI_IO_BASE + EMMA2RH_PCI_IO_SIZE - 1;
115 iomem_resource.start = EMMA2RH_IO_BASE;
116 iomem_resource.end = EMMA2RH_ROM_BASE - 1;
117
118 /* Reboot on panic */
119 panic_timeout = 180;
120
121 markeins_sio_setup();
122}
123
124static void __init markeins_board_init(void)
125{
126 u32 val;
127
128 val = emma2rh_in32(EMMA2RH_PBRD_INT_EN); /* open serial interrupts. */
129 emma2rh_out32(EMMA2RH_PBRD_INT_EN, val | 0xaa);
130 val = emma2rh_in32(EMMA2RH_PBRD_CLKSEL); /* set serial clocks. */
131 emma2rh_out32(EMMA2RH_PBRD_CLKSEL, val | 0x5); /* 18MHz */
132 emma2rh_out32(EMMA2RH_PCI_CONTROL, 0);
133
134 markeins_led("MVL E2RH");
135}
generated by cgit v1.2.2 (git 2.25.0) at 2024-09-25 03:29:17 -0400