aboutsummaryrefslogtreecommitdiffstats
path: root/arch/mips
diff options
context:
space:
mode:
Diffstat (limited to 'arch/mips')
-rw-r--r--arch/mips/bcm63xx/Makefile2
-rw-r--r--arch/mips/bcm63xx/boards/board_bcm963xx.c4
-rw-r--r--arch/mips/bcm63xx/dev-pcmcia.c144
-rw-r--r--arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h13
4 files changed, 162 insertions, 1 deletions
diff --git a/arch/mips/bcm63xx/Makefile b/arch/mips/bcm63xx/Makefile
index cff75de8449b..c146d1ededed 100644
--- a/arch/mips/bcm63xx/Makefile
+++ b/arch/mips/bcm63xx/Makefile
@@ -1,5 +1,5 @@
1obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \ 1obj-y += clk.o cpu.o cs.o gpio.o irq.o prom.o setup.o timer.o \
2 dev-dsp.o dev-enet.o dev-uart.o 2 dev-dsp.o dev-enet.o dev-pcmcia.o dev-uart.o
3obj-$(CONFIG_EARLY_PRINTK) += early_printk.o 3obj-$(CONFIG_EARLY_PRINTK) += early_printk.o
4 4
5obj-y += boards/ 5obj-y += boards/
diff --git a/arch/mips/bcm63xx/boards/board_bcm963xx.c b/arch/mips/bcm63xx/boards/board_bcm963xx.c
index 5a327f3a7167..78e155d21be6 100644
--- a/arch/mips/bcm63xx/boards/board_bcm963xx.c
+++ b/arch/mips/bcm63xx/boards/board_bcm963xx.c
@@ -23,6 +23,7 @@
23#include <bcm63xx_dev_pci.h> 23#include <bcm63xx_dev_pci.h>
24#include <bcm63xx_dev_enet.h> 24#include <bcm63xx_dev_enet.h>
25#include <bcm63xx_dev_dsp.h> 25#include <bcm63xx_dev_dsp.h>
26#include <bcm63xx_dev_pcmcia.h>
26#include <bcm63xx_dev_uart.h> 27#include <bcm63xx_dev_uart.h>
27#include <board_bcm963xx.h> 28#include <board_bcm963xx.h>
28 29
@@ -795,6 +796,9 @@ int __init board_register_devices(void)
795 796
796 bcm63xx_uart_register(); 797 bcm63xx_uart_register();
797 798
799 if (board.has_pccard)
800 bcm63xx_pcmcia_register();
801
798 if (board.has_enet0 && 802 if (board.has_enet0 &&
799 !board_get_mac_address(board.enet0.mac_addr)) 803 !board_get_mac_address(board.enet0.mac_addr))
800 bcm63xx_enet_register(0, &board.enet0); 804 bcm63xx_enet_register(0, &board.enet0);
diff --git a/arch/mips/bcm63xx/dev-pcmcia.c b/arch/mips/bcm63xx/dev-pcmcia.c
new file mode 100644
index 000000000000..de4d917fd54d
--- /dev/null
+++ b/arch/mips/bcm63xx/dev-pcmcia.c
@@ -0,0 +1,144 @@
1/*
2 * This file is subject to the terms and conditions of the GNU General Public
3 * License. See the file "COPYING" in the main directory of this archive
4 * for more details.
5 *
6 * Copyright (C) 2008 Maxime Bizon <mbizon@freebox.fr>
7 */
8
9#include <linux/init.h>
10#include <linux/kernel.h>
11#include <asm/bootinfo.h>
12#include <linux/platform_device.h>
13#include <bcm63xx_cs.h>
14#include <bcm63xx_cpu.h>
15#include <bcm63xx_dev_pcmcia.h>
16#include <bcm63xx_io.h>
17#include <bcm63xx_regs.h>
18
19static struct resource pcmcia_resources[] = {
20 /* pcmcia registers */
21 {
22 /* start & end filled at runtime */
23 .flags = IORESOURCE_MEM,
24 },
25
26 /* pcmcia memory zone resources */
27 {
28 .start = BCM_PCMCIA_COMMON_BASE_PA,
29 .end = BCM_PCMCIA_COMMON_END_PA,
30 .flags = IORESOURCE_MEM,
31 },
32 {
33 .start = BCM_PCMCIA_ATTR_BASE_PA,
34 .end = BCM_PCMCIA_ATTR_END_PA,
35 .flags = IORESOURCE_MEM,
36 },
37 {
38 .start = BCM_PCMCIA_IO_BASE_PA,
39 .end = BCM_PCMCIA_IO_END_PA,
40 .flags = IORESOURCE_MEM,
41 },
42
43 /* PCMCIA irq */
44 {
45 /* start filled at runtime */
46 .flags = IORESOURCE_IRQ,
47 },
48
49 /* declare PCMCIA IO resource also */
50 {
51 .start = BCM_PCMCIA_IO_BASE_PA,
52 .end = BCM_PCMCIA_IO_END_PA,
53 .flags = IORESOURCE_IO,
54 },
55};
56
57static struct bcm63xx_pcmcia_platform_data pd;
58
59static struct platform_device bcm63xx_pcmcia_device = {
60 .name = "bcm63xx_pcmcia",
61 .id = 0,
62 .num_resources = ARRAY_SIZE(pcmcia_resources),
63 .resource = pcmcia_resources,
64 .dev = {
65 .platform_data = &pd,
66 },
67};
68
69static int __init config_pcmcia_cs(unsigned int cs,
70 u32 base, unsigned int size)
71{
72 int ret;
73
74 ret = bcm63xx_set_cs_status(cs, 0);
75 if (!ret)
76 ret = bcm63xx_set_cs_base(cs, base, size);
77 if (!ret)
78 ret = bcm63xx_set_cs_status(cs, 1);
79 return ret;
80}
81
82static const __initdata struct {
83 unsigned int cs;
84 unsigned int base;
85 unsigned int size;
86} pcmcia_cs[3] = {
87 {
88 .cs = MPI_CS_PCMCIA_COMMON,
89 .base = BCM_PCMCIA_COMMON_BASE_PA,
90 .size = BCM_PCMCIA_COMMON_SIZE
91 },
92 {
93 .cs = MPI_CS_PCMCIA_ATTR,
94 .base = BCM_PCMCIA_ATTR_BASE_PA,
95 .size = BCM_PCMCIA_ATTR_SIZE
96 },
97 {
98 .cs = MPI_CS_PCMCIA_IO,
99 .base = BCM_PCMCIA_IO_BASE_PA,
100 .size = BCM_PCMCIA_IO_SIZE
101 },
102};
103
104int __init bcm63xx_pcmcia_register(void)
105{
106 int ret, i;
107
108 if (!BCMCPU_IS_6348() && !BCMCPU_IS_6358())
109 return 0;
110
111 /* use correct pcmcia ready gpio depending on processor */
112 switch (bcm63xx_get_cpu_id()) {
113 case BCM6348_CPU_ID:
114 pd.ready_gpio = 22;
115 break;
116
117 case BCM6358_CPU_ID:
118 pd.ready_gpio = 18;
119 break;
120
121 default:
122 return -ENODEV;
123 }
124
125 pcmcia_resources[0].start = bcm63xx_regset_address(RSET_PCMCIA);
126 pcmcia_resources[0].end = pcmcia_resources[0].start +
127 RSET_PCMCIA_SIZE - 1;
128 pcmcia_resources[4].start = bcm63xx_get_irq_number(IRQ_PCMCIA);
129
130 /* configure pcmcia chip selects */
131 for (i = 0; i < 3; i++) {
132 ret = config_pcmcia_cs(pcmcia_cs[i].cs,
133 pcmcia_cs[i].base,
134 pcmcia_cs[i].size);
135 if (ret)
136 goto out_err;
137 }
138
139 return platform_device_register(&bcm63xx_pcmcia_device);
140
141out_err:
142 printk(KERN_ERR "unable to set pcmcia chip select\n");
143 return ret;
144}
diff --git a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
new file mode 100644
index 000000000000..2beb3969ce3b
--- /dev/null
+++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_pcmcia.h
@@ -0,0 +1,13 @@
1#ifndef BCM63XX_DEV_PCMCIA_H_
2#define BCM63XX_DEV_PCMCIA_H_
3
4/*
5 * PCMCIA driver platform data
6 */
7struct bcm63xx_pcmcia_platform_data {
8 unsigned int ready_gpio;
9};
10
11int bcm63xx_pcmcia_register(void);
12
13#endif /* BCM63XX_DEV_PCMCIA_H_ */
generated by cgit v1.2.2 (git 2.25.0) at 2024-11-06 10:38:07 -0500