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omap1: Fix gpio mpuio bank to work for multi-omap for 7xx/15xx/16xx 

We need to divide the 15xx/16xx offset by 2 for 7xx. Use bank->stride
for that. This allows us to get rid of the duplicate defines for the
MPUIO registers.

Note that this will cause omap-keypad.c driver to not work on 7xx.
However, the right fix there is to move over to matrix_keypad instead
as suggested by Cory Maccarrone <darkstar6262@gmail.com> and
Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>.

Cc: Cory Maccarrone <darkstar6262@gmail.com>
Acked-by: Janusz Krzysztofik <jkrzyszt@tis.icnet.pl>
Signed-off-by: Tony Lindgren <tony@atomide.com>
This commit is contained in:
Tony Lindgren 2010-12-07 16:26:58 -08:00
parent 77640aabd7
commit 5de62b86d2
5 changed files with 27 additions and 31 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

1
arch/arm/mach-omap1/gpio15xx.c
View File

@ -38,6 +38,7 @@ static struct __initdata omap_gpio_platform_data omap15xx_mpu_gpio_config = {
.virtual_irq_start = IH_MPUIO_BASE,
.bank_type = METHOD_MPUIO,
.bank_width = 16,
.bank_stride = 1,
};
static struct __initdata platform_device omap15xx_mpu_gpio = {

1
arch/arm/mach-omap1/gpio16xx.c
View File

@ -41,6 +41,7 @@ static struct __initdata omap_gpio_platform_data omap16xx_mpu_gpio_config = {
.virtual_irq_start = IH_MPUIO_BASE,
.bank_type = METHOD_MPUIO,
.bank_width = 16,
.bank_stride = 1,
};
static struct __initdata platform_device omap16xx_mpu_gpio = {

1
arch/arm/mach-omap1/gpio7xx.c
View File

@ -43,6 +43,7 @@ static struct __initdata omap_gpio_platform_data omap7xx_mpu_gpio_config = {
.virtual_irq_start = IH_MPUIO_BASE,
.bank_type = METHOD_MPUIO,
.bank_width = 32,
.bank_stride = 2,
};
static struct __initdata platform_device omap7xx_mpu_gpio = {

33
arch/arm/plat-omap/gpio.c
View File

@ -159,6 +159,7 @@ struct gpio_bank {
u32 dbck_enable_mask;
struct device *dev;
bool dbck_flag;
int stride;
};
#ifdef CONFIG_ARCH_OMAP3
@ -267,7 +268,7 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_IO_CNTL;
reg += OMAP_MPUIO_IO_CNTL / bank->stride;
break;
#endif
#ifdef CONFIG_ARCH_OMAP15XX
@ -315,7 +316,7 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_OUTPUT;
reg += OMAP_MPUIO_OUTPUT / bank->stride;
l = __raw_readl(reg);
if (enable)
l |= 1 << gpio;
@ -387,7 +388,7 @@ static int _get_gpio_datain(struct gpio_bank *bank, int gpio)
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_INPUT_LATCH;
reg += OMAP_MPUIO_INPUT_LATCH / bank->stride;
break;
#endif
#ifdef CONFIG_ARCH_OMAP15XX
@ -433,7 +434,7 @@ static int _get_gpio_dataout(struct gpio_bank *bank, int gpio)
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_OUTPUT;
reg += OMAP_MPUIO_OUTPUT / bank->stride;
break;
#endif
#ifdef CONFIG_ARCH_OMAP15XX
@ -620,7 +621,7 @@ static void _toggle_gpio_edge_triggering(struct gpio_bank *bank, int gpio)
switch (bank->method) {
case METHOD_MPUIO:
reg += OMAP_MPUIO_GPIO_INT_EDGE;
reg += OMAP_MPUIO_GPIO_INT_EDGE / bank->stride;
break;
#ifdef CONFIG_ARCH_OMAP15XX
case METHOD_GPIO_1510:
@ -654,7 +655,7 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_GPIO_INT_EDGE;
reg += OMAP_MPUIO_GPIO_INT_EDGE / bank->stride;
l = __raw_readl(reg);
if ((trigger & IRQ_TYPE_SENSE_MASK) == IRQ_TYPE_EDGE_BOTH)
bank->toggle_mask |= 1 << gpio;
@ -840,7 +841,7 @@ static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank)
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_GPIO_MASKIT;
reg += OMAP_MPUIO_GPIO_MASKIT / bank->stride;
mask = 0xffff;
inv = 1;
break;
@ -897,7 +898,7 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enab
switch (bank->method) {
#ifdef CONFIG_ARCH_OMAP1
case METHOD_MPUIO:
reg += OMAP_MPUIO_GPIO_MASKIT;
reg += OMAP_MPUIO_GPIO_MASKIT / bank->stride;
l = __raw_readl(reg);
if (enable)
l &= ~(gpio_mask);
@ -1147,7 +1148,8 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
bank = get_irq_data(irq);
#ifdef CONFIG_ARCH_OMAP1
if (bank->method == METHOD_MPUIO)
isr_reg = bank->base + OMAP_MPUIO_GPIO_INT;
isr_reg = bank->base +
OMAP_MPUIO_GPIO_INT / bank->stride;
#endif
#ifdef CONFIG_ARCH_OMAP15XX
if (bank->method == METHOD_GPIO_1510)
@ -1345,7 +1347,8 @@ static int omap_mpuio_suspend_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gpio_bank *bank = platform_get_drvdata(pdev);
void __iomem *mask_reg = bank->base + OMAP_MPUIO_GPIO_MASKIT;
void __iomem *mask_reg = bank->base +
OMAP_MPUIO_GPIO_MASKIT / bank->stride;
unsigned long flags;
spin_lock_irqsave(&bank->lock, flags);
@ -1360,7 +1363,8 @@ static int omap_mpuio_resume_noirq(struct device *dev)
{
struct platform_device *pdev = to_platform_device(dev);
struct gpio_bank *bank = platform_get_drvdata(pdev);
void __iomem *mask_reg = bank->base + OMAP_MPUIO_GPIO_MASKIT;
void __iomem *mask_reg = bank->base +
OMAP_MPUIO_GPIO_MASKIT / bank->stride;
unsigned long flags;
spin_lock_irqsave(&bank->lock, flags);
@ -1440,7 +1444,7 @@ static int gpio_is_input(struct gpio_bank *bank, int mask)
switch (bank->method) {
case METHOD_MPUIO:
reg += OMAP_MPUIO_IO_CNTL;
reg += OMAP_MPUIO_IO_CNTL / bank->stride;
break;
case METHOD_GPIO_1510:
reg += OMAP1510_GPIO_DIR_CONTROL;
@ -1601,8 +1605,8 @@ static void omap_gpio_mod_init(struct gpio_bank *bank, int id)
}
} else if (cpu_class_is_omap1()) {
if (bank_is_mpuio(bank))
__raw_writew(0xffff, bank->base
+ OMAP_MPUIO_GPIO_MASKIT);
__raw_writew(0xffff, bank->base +
OMAP_MPUIO_GPIO_MASKIT / bank->stride);
if (cpu_is_omap15xx() && bank->method == METHOD_GPIO_1510) {
__raw_writew(0xffff, bank->base
+ OMAP1510_GPIO_INT_MASK);
@ -1716,6 +1720,7 @@ static int __devinit omap_gpio_probe(struct platform_device *pdev)
bank->method = pdata->bank_type;
bank->dev = &pdev->dev;
bank->dbck_flag = pdata->dbck_flag;
bank->stride = pdata->bank_stride;
bank_width = pdata->bank_width;
spin_lock_init(&bank->lock);

22
arch/arm/plat-omap/include/plat/gpio.h
View File

@ -32,22 +32,10 @@
#define OMAP1_MPUIO_BASE 0xfffb5000
#if (defined(CONFIG_ARCH_OMAP730) || defined(CONFIG_ARCH_OMAP850))
#define OMAP_MPUIO_INPUT_LATCH 0x00
#define OMAP_MPUIO_OUTPUT 0x02
#define OMAP_MPUIO_IO_CNTL 0x04
#define OMAP_MPUIO_KBR_LATCH 0x08
#define OMAP_MPUIO_KBC 0x0a
#define OMAP_MPUIO_GPIO_EVENT_MODE 0x0c
#define OMAP_MPUIO_GPIO_INT_EDGE 0x0e
#define OMAP_MPUIO_KBD_INT 0x10
#define OMAP_MPUIO_GPIO_INT 0x12
#define OMAP_MPUIO_KBD_MASKIT 0x14
#define OMAP_MPUIO_GPIO_MASKIT 0x16
#define OMAP_MPUIO_GPIO_DEBOUNCING 0x18
#define OMAP_MPUIO_LATCH 0x1a
#else
/*
* These are the omap15xx/16xx offsets. The omap7xx offset are
* OMAP_MPUIO_ / 2 offsets below.
*/
#define OMAP_MPUIO_INPUT_LATCH 0x00
#define OMAP_MPUIO_OUTPUT 0x04
#define OMAP_MPUIO_IO_CNTL 0x08
@ -61,7 +49,6 @@
#define OMAP_MPUIO_GPIO_MASKIT 0x2c
#define OMAP_MPUIO_GPIO_DEBOUNCING 0x30
#define OMAP_MPUIO_LATCH 0x34
#endif
#define OMAP34XX_NR_GPIOS 6
@ -88,6 +75,7 @@ struct omap_gpio_platform_data {
u16 virtual_irq_start;
int bank_type;
int bank_width; /* GPIO bank width */
int bank_stride; /* Only needed for omap1 MPUIO */
bool dbck_flag; /* dbck required or not - True for OMAP3&4 */
};