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ar71xx: tplinkpart: allow to detect JFFS2 as well
[openwrt.git]
/
target
/
linux
/
ar71xx
/
files
/
drivers
/
mtd
/
nand
/
rb750_nand.c
diff --git
a/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
b/target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
index
badc781
..
b6adb41
100644
(file)
--- a/
target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
+++ b/
target/linux/ar71xx/files/drivers/mtd/nand/rb750_nand.c
@@
-75,13
+75,14
@@
static void rb750_nand_write(const u8 *buf, unsigned len)
{
void __iomem *base = ar71xx_gpio_base;
u32 out;
{
void __iomem *base = ar71xx_gpio_base;
u32 out;
+ u32 t;
unsigned i;
/* set data lines to output mode */
unsigned i;
/* set data lines to output mode */
- __raw_writel(__raw_readl(base + GPIO_REG_OE) | RB750_NAND_DATA_BITS,
-
base +
GPIO_REG_OE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+
__raw_writel(t | RB750_NAND_DATA_BITS, base + AR71XX_
GPIO_REG_OE);
- out = __raw_readl(base + GPIO_REG_OUT);
+ out = __raw_readl(base +
AR71XX_
GPIO_REG_OUT);
out &= ~(RB750_NAND_DATA_BITS | RB750_NAND_NWE);
for (i = 0; i != len; i++) {
u32 data;
out &= ~(RB750_NAND_DATA_BITS | RB750_NAND_NWE);
for (i = 0; i != len; i++) {
u32 data;
@@
-89,18
+90,18
@@
static void rb750_nand_write(const u8 *buf, unsigned len)
data = buf[i];
data <<= RB750_NAND_DATA_SHIFT;
data |= out;
data = buf[i];
data <<= RB750_NAND_DATA_SHIFT;
data |= out;
- __raw_writel(data, base + GPIO_REG_OUT);
+ __raw_writel(data, base +
AR71XX_
GPIO_REG_OUT);
- __raw_writel(data | RB750_NAND_NWE, base + GPIO_REG_OUT);
+ __raw_writel(data | RB750_NAND_NWE, base +
AR71XX_
GPIO_REG_OUT);
/* flush write */
/* flush write */
- __raw_readl(base + GPIO_REG_OUT);
+ __raw_readl(base +
AR71XX_
GPIO_REG_OUT);
}
/* set data lines to input mode */
}
/* set data lines to input mode */
- __raw_writel(__raw_readl(base + GPIO_REG_OE) & ~RB750_NAND_DATA_BITS,
-
base +
GPIO_REG_OE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+
__raw_writel(t & ~RB750_NAND_DATA_BITS, base + AR71XX_
GPIO_REG_OE);
/* flush write */
/* flush write */
- __raw_readl(base + GPIO_REG_OE);
+ __raw_readl(base +
AR71XX_
GPIO_REG_OE);
}
static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
}
static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
@@
-113,15
+114,16
@@
static int rb750_nand_read_verify(u8 *read_buf, unsigned len,
u8 data;
/* activate RE line */
u8 data;
/* activate RE line */
- __raw_writel(RB750_NAND_NRE, base + GPIO_REG_CLEAR);
+ __raw_writel(RB750_NAND_NRE, base +
AR71XX_
GPIO_REG_CLEAR);
/* flush write */
/* flush write */
- __raw_readl(base + GPIO_REG_CLEAR);
+ __raw_readl(base +
AR71XX_
GPIO_REG_CLEAR);
/* read input lines */
/* read input lines */
- data = __raw_readl(base + GPIO_REG_IN) >> RB750_NAND_DATA_SHIFT;
+ data = __raw_readl(base + AR71XX_GPIO_REG_IN) >>
+ RB750_NAND_DATA_SHIFT;
/* deactivate RE line */
/* deactivate RE line */
- __raw_writel(RB750_NAND_NRE, base + GPIO_REG_SET);
+ __raw_writel(RB750_NAND_NRE, base +
AR71XX_
GPIO_REG_SET);
if (read_buf)
read_buf[i] = data;
if (read_buf)
read_buf[i] = data;
@@
-136,8
+138,9
@@
static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
{
void __iomem *base = ar71xx_gpio_base;
u32 func;
{
void __iomem *base = ar71xx_gpio_base;
u32 func;
+ u32 t;
- func = __raw_readl(base + GPIO_REG_FUNC);
+ func = __raw_readl(base +
AR71XX_
GPIO_REG_FUNC);
if (chip >= 0) {
/* disable latch */
rb750_latch_change(RB750_LVC573_LE, 0);
if (chip >= 0) {
/* disable latch */
rb750_latch_change(RB750_LVC573_LE, 0);
@@
-147,27
+150,27
@@
static void rb750_nand_select_chip(struct mtd_info *mtd, int chip)
AR724X_GPIO_FUNC_SPI_EN);
/* set input mode for data lines */
AR724X_GPIO_FUNC_SPI_EN);
/* set input mode for data lines */
- __raw_writel(__raw_readl(base + GPIO_REG_OE) &
-
~RB750_NAND_INPUT_BITS,
- base + GPIO_REG_OE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+
__raw_writel(t &
~RB750_NAND_INPUT_BITS,
+ base +
AR71XX_
GPIO_REG_OE);
/* deactivate RE and WE lines */
__raw_writel(RB750_NAND_NRE | RB750_NAND_NWE,
/* deactivate RE and WE lines */
__raw_writel(RB750_NAND_NRE | RB750_NAND_NWE,
- base + GPIO_REG_SET);
+ base +
AR71XX_
GPIO_REG_SET);
/* flush write */
/* flush write */
- (void) __raw_readl(base + GPIO_REG_SET);
+ (void) __raw_readl(base +
AR71XX_
GPIO_REG_SET);
/* activate CE line */
/* activate CE line */
- __raw_writel(RB750_NAND_NCE, base + GPIO_REG_CLEAR);
+ __raw_writel(RB750_NAND_NCE, base +
AR71XX_
GPIO_REG_CLEAR);
} else {
/* deactivate CE line */
} else {
/* deactivate CE line */
- __raw_writel(RB750_NAND_NCE, base + GPIO_REG_SET);
+ __raw_writel(RB750_NAND_NCE, base +
AR71XX_
GPIO_REG_SET);
/* flush write */
/* flush write */
- (void) __raw_readl(base + GPIO_REG_SET);
+ (void) __raw_readl(base +
AR71XX_
GPIO_REG_SET);
- __raw_writel(__raw_readl(base + GPIO_REG_OE) |
-
RB750_NAND_IO0 | RB750_NAND_RDY,
- base + GPIO_REG_OE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+
__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,
/* restore alternate functions */
ar71xx_gpio_function_setup(AR724X_GPIO_FUNC_SPI_EN,
@@
-182,7
+185,7
@@
static int rb750_nand_dev_ready(struct mtd_info *mtd)
{
void __iomem *base = ar71xx_gpio_base;
{
void __iomem *base = ar71xx_gpio_base;
- return !!(__raw_readl(base + GPIO_REG_IN) & RB750_NAND_RDY);
+ return !!(__raw_readl(base +
AR71XX_
GPIO_REG_IN) & RB750_NAND_RDY);
}
static void rb750_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
}
static void rb750_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
@@
-192,15
+195,15
@@
static void rb750_nand_cmd_ctrl(struct mtd_info *mtd, int cmd,
void __iomem *base = ar71xx_gpio_base;
u32 t;
void __iomem *base = ar71xx_gpio_base;
u32 t;
- t = __raw_readl(base + GPIO_REG_OUT);
+ t = __raw_readl(base +
AR71XX_
GPIO_REG_OUT);
t &= ~(RB750_NAND_CLE | RB750_NAND_ALE);
t |= (ctrl & NAND_CLE) ? RB750_NAND_CLE : 0;
t |= (ctrl & NAND_ALE) ? RB750_NAND_ALE : 0;
t &= ~(RB750_NAND_CLE | RB750_NAND_ALE);
t |= (ctrl & NAND_CLE) ? RB750_NAND_CLE : 0;
t |= (ctrl & NAND_ALE) ? RB750_NAND_ALE : 0;
- __raw_writel(t, base + GPIO_REG_OUT);
+ __raw_writel(t, base +
AR71XX_
GPIO_REG_OUT);
/* flush write */
/* flush write */
- __raw_readl(base + GPIO_REG_OUT);
+ __raw_readl(base +
AR71XX_
GPIO_REG_OUT);
}
if (cmd != NAND_CMD_NONE) {
}
if (cmd != NAND_CMD_NONE) {
@@
-235,23
+238,24
@@
static void __init rb750_nand_gpio_init(void)
{
void __iomem *base = ar71xx_gpio_base;
u32 out;
{
void __iomem *base = ar71xx_gpio_base;
u32 out;
+ u32 t;
- out = __raw_readl(base + GPIO_REG_OUT);
+ out = __raw_readl(base +
AR71XX_
GPIO_REG_OUT);
/* setup output levels */
__raw_writel(RB750_NAND_NCE | RB750_NAND_NRE | RB750_NAND_NWE,
/* setup output levels */
__raw_writel(RB750_NAND_NCE | RB750_NAND_NRE | RB750_NAND_NWE,
- base + GPIO_REG_SET);
+ base +
AR71XX_
GPIO_REG_SET);
__raw_writel(RB750_NAND_ALE | RB750_NAND_CLE,
__raw_writel(RB750_NAND_ALE | RB750_NAND_CLE,
- base + GPIO_REG_CLEAR);
+ base +
AR71XX_
GPIO_REG_CLEAR);
/* setup input lines */
/* setup input lines */
- __raw_writel(__raw_readl(base + GPIO_REG_OE) & ~(RB750_NAND_INPUT_BITS),
-
base +
GPIO_REG_OE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+
__raw_writel(t & ~(RB750_NAND_INPUT_BITS), base + AR71XX_
GPIO_REG_OE);
/* setup output lines */
/* setup output lines */
- __raw_writel(__raw_readl(base + GPIO_REG_OE) | RB750_NAND_OUTPUT_BITS,
-
base +
GPIO_REG_OE);
+ t = __raw_readl(base + AR71XX_GPIO_REG_OE);
+
__raw_writel(t | RB750_NAND_OUTPUT_BITS, base + AR71XX_
GPIO_REG_OE);
rb750_latch_change(~out & RB750_NAND_IO0, out & RB750_NAND_IO0);
}
rb750_latch_change(~out & RB750_NAND_IO0, out & RB750_NAND_IO0);
}
@@
-287,7
+291,7
@@
static int __init rb750_nand_probe(struct platform_device *pdev)
platform_set_drvdata(pdev, info);
platform_set_drvdata(pdev, info);
- ret = nand_scan_ident(&info->mtd, 1);
+ ret = nand_scan_ident(&info->mtd, 1
, NULL
);
if (ret) {
ret = -ENXIO;
goto err_free_info;
if (ret) {
ret = -ENXIO;
goto err_free_info;
@@
-313,11
+317,11
@@
static int __init rb750_nand_probe(struct platform_device *pdev)
return 0;
return 0;
-
err_release_nand:
+err_release_nand:
nand_release(&info->mtd);
nand_release(&info->mtd);
-
err_set_drvdata:
+err_set_drvdata:
platform_set_drvdata(pdev, NULL);
platform_set_drvdata(pdev, NULL);
-
err_free_info:
+err_free_info:
kfree(info);
return ret;
}
kfree(info);
return ret;
}
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