1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
|
--- a/drivers/mtd/nand/rb750_nand.c
+++ b/drivers/mtd/nand/rb750_nand.c
@@ -1,14 +1,15 @@
/*
* NAND flash driver for the MikroTik RouterBOARD 750
*
- * Copyright (C) 2010 Gabor Juhos <juhosg@openwrt.org>
+ * Copyright (C) 2010-2012 Gabor Juhos <juhosg@openwrt.org>
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published
* by the Free Software Foundation.
*/
-#include <linux/init.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
#include <linux/mtd/nand.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -16,8 +17,9 @@
#include <linux/io.h>
#include <linux/slab.h>
-#include <asm/mach-ar71xx/ar71xx.h>
-#include <asm/mach-ar71xx/mach-rb750.h>
+#include <asm/mach-ath79/ar71xx_regs.h>
+#include <asm/mach-ath79/ath79.h>
+#include <asm/mach-ath79/mach-rb750.h>
#define DRV_NAME "rb750-nand"
#define DRV_VERSION "0.1.0"
@@ -73,7 +75,7 @@ static struct mtd_partition rb750_nand_p
static void rb750_nand_write(const u8 *buf, unsigned len)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 out;
u32 t;
unsigned i;
@@ -107,7 +109,7 @@ static void rb750_nand_write(const u8 *b
static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
const u8 *verify_buf)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
unsigned i;
for (i = 0; i < len; i++) {
@@ -136,7 +138,7 @@ static int rb750_nand_read_verify(u8 *re
static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 func;
u32 t;
@@ -145,9 +147,7 @@ static void rb750_nand_select_chip(struc
/* disable latch */
rb750_latch_change(RB750_LVC573_LE, 0);
- /* disable alternate functions */
- ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_JTAG_DISABLE,
- AR724X_GPIO_FUNC_SPI_EN);
+ rb750_nand_pins_enable();
/* set input mode for data lines */
t = __raw_readl(base + AR71XX_GPIO_REG_OE);
@@ -172,9 +172,7 @@ static void rb750_nand_select_chip(struc
__raw_writel(t | RB750_NAND_IO0 | RB750_NAND_RDY,
base + AR71XX_GPIO_REG_OE);
- /* restore alternate functions */
- ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
- AR724X_GPIO_FUNC_JTAG_DISABLE);
+ rb750_nand_pins_disable();
/* enable latch */
rb750_latch_change(0, RB750_LVC573_LE);
@@ -183,7 +181,7 @@ static void rb750_nand_select_chip(struc
static int rb750_nand_dev_ready(struct mtd_info *mtd)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
return !!(__raw_readl(base + AR71XX_GPIO_REG_IN) & RB750_NAND_RDY);
}
@@ -192,7 +190,7 @@ static void rb750_nand_cmd_ctrl(struct m
unsigned int ctrl)
{
if (ctrl & NAND_CTRL_CHANGE) {
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 t;
t = __raw_readl(base + AR71XX_GPIO_REG_OUT);
@@ -236,7 +234,7 @@ static int rb750_nand_verify_buf(struct
static void __init rb750_nand_gpio_init(void)
{
- void __iomem *base = ar71xx_gpio_base;
+ void __iomem *base = ath79_gpio_base;
u32 out;
u32 t;
@@ -306,12 +304,8 @@ static int __devinit rb750_nand_probe(st
goto err_set_drvdata;
}
-#ifdef CONFIG_MTD_PARTITIONS
- ret = add_mtd_partitions(&info->mtd, rb750_nand_partitions,
+ ret = mtd_device_register(&info->mtd, rb750_nand_partitions,
ARRAY_SIZE(rb750_nand_partitions));
-#else
- ret = add_mtd_device(&info->mtd);
-#endif
if (ret)
goto err_release_nand;
|
