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[OMAP850] Changes to base IO subsystem, v2
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Changes to base IO subsystem.

Signed-off-by: Zebediah C. McClure <zmc@lurian.net>
Signed-off-by: Tony Lindgren <tony@atomide.com>
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Zebediah C. McClure authored and Tony Lindgren committed Mar 24, 2009
1 parent ae302f4 commit 56739a6
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Showing 6 changed files with 212 additions and 8 deletions.
23 changes: 23 additions & 0 deletions arch/arm/mach-omap1/io.c
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Original file line number Diff line number Diff line change
Expand Up @@ -52,6 +52,22 @@ static struct map_desc omap730_io_desc[] __initdata = {
};
#endif

#ifdef CONFIG_ARCH_OMAP850
static struct map_desc omap850_io_desc[] __initdata = {
{
.virtual = OMAP850_DSP_BASE,
.pfn = __phys_to_pfn(OMAP850_DSP_START),
.length = OMAP850_DSP_SIZE,
.type = MT_DEVICE
}, {
.virtual = OMAP850_DSPREG_BASE,
.pfn = __phys_to_pfn(OMAP850_DSPREG_START),
.length = OMAP850_DSPREG_SIZE,
.type = MT_DEVICE
}
};
#endif

#ifdef CONFIG_ARCH_OMAP15XX
static struct map_desc omap1510_io_desc[] __initdata = {
{
Expand Down Expand Up @@ -109,6 +125,13 @@ void __init omap1_map_common_io(void)
iotable_init(omap730_io_desc, ARRAY_SIZE(omap730_io_desc));
}
#endif

#ifdef CONFIG_ARCH_OMAP850
if (cpu_is_omap850()) {
iotable_init(omap850_io_desc, ARRAY_SIZE(omap850_io_desc));
}
#endif

#ifdef CONFIG_ARCH_OMAP15XX
if (cpu_is_omap15xx()) {
iotable_init(omap1510_io_desc, ARRAY_SIZE(omap1510_io_desc));
Expand Down
24 changes: 24 additions & 0 deletions arch/arm/mach-omap1/mux.c
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Original file line number Diff line number Diff line change
Expand Up @@ -58,6 +58,25 @@ MUX_CFG_730("W17_730_USB_VBUSI", 2, 29, 0, 28, 0, 0)
#define OMAP730_PINS_SZ 0
#endif /* CONFIG_ARCH_OMAP730 */

#ifdef CONFIG_ARCH_OMAP850
struct pin_config __initdata_or_module omap850_pins[] = {
MUX_CFG_850("E2_850_KBR0", 12, 21, 0, 20, 1, 0)
MUX_CFG_850("J7_850_KBR1", 12, 25, 0, 24, 1, 0)
MUX_CFG_850("E1_850_KBR2", 12, 29, 0, 28, 1, 0)
MUX_CFG_850("F3_850_KBR3", 13, 1, 0, 0, 1, 0)
MUX_CFG_850("D2_850_KBR4", 13, 5, 0, 4, 1, 0)
MUX_CFG_850("C2_850_KBC0", 13, 9, 0, 8, 1, 0)
MUX_CFG_850("D3_850_KBC1", 13, 13, 0, 12, 1, 0)
MUX_CFG_850("E4_850_KBC2", 13, 17, 0, 16, 1, 0)
MUX_CFG_850("F4_850_KBC3", 13, 21, 0, 20, 1, 0)
MUX_CFG_850("E3_850_KBC4", 13, 25, 0, 24, 1, 0)

MUX_CFG_850("AA17_850_USB_DM", 2, 21, 0, 20, 0, 0)
MUX_CFG_850("W16_850_USB_PU_EN", 2, 25, 0, 24, 0, 0)
MUX_CFG_850("W17_850_USB_VBUSI", 2, 29, 0, 28, 0, 0)
};
#endif

#if defined(CONFIG_ARCH_OMAP15XX) || defined(CONFIG_ARCH_OMAP16XX)
static struct pin_config __initdata_or_module omap1xxx_pins[] = {
/*
Expand Down Expand Up @@ -419,6 +438,11 @@ int __init_or_module omap1_cfg_reg(const struct pin_config *cfg)
printk(" %s (0x%08x) = 0x%08x -> 0x%08x\n",
cfg->pull_name, cfg->pull_reg, pull_orig, pull);
}

#ifdef CONFIG_ARCH_OMAP850
omap_mux_register(omap850_pins, ARRAY_SIZE(omap850_pins));
#endif

#endif

#ifdef CONFIG_OMAP_MUX_ERRORS
Expand Down
7 changes: 7 additions & 0 deletions arch/arm/mach-omap1/serial.c
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Original file line number Diff line number Diff line change
Expand Up @@ -121,6 +121,13 @@ void __init omap_serial_init(void)
serial_platform_data[1].irq = INT_730_UART_MODEM_IRDA_2;
}

if (cpu_is_omap850()) {
serial_platform_data[0].regshift = 0;
serial_platform_data[1].regshift = 0;
serial_platform_data[0].irq = INT_850_UART_MODEM_1;
serial_platform_data[1].irq = INT_850_UART_MODEM_IRDA_2;
}

if (cpu_is_omap15xx()) {
serial_platform_data[0].uartclk = OMAP1510_BASE_BAUD * 16;
serial_platform_data[1].uartclk = OMAP1510_BASE_BAUD * 16;
Expand Down
111 changes: 105 additions & 6 deletions arch/arm/plat-omap/gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -80,6 +80,22 @@
#define OMAP730_GPIO_INT_MASK 0x10
#define OMAP730_GPIO_INT_STATUS 0x14

/*
* OMAP850 specific GPIO registers
*/
#define OMAP850_GPIO1_BASE IO_ADDRESS(0xfffbc000)
#define OMAP850_GPIO2_BASE IO_ADDRESS(0xfffbc800)
#define OMAP850_GPIO3_BASE IO_ADDRESS(0xfffbd000)
#define OMAP850_GPIO4_BASE IO_ADDRESS(0xfffbd800)
#define OMAP850_GPIO5_BASE IO_ADDRESS(0xfffbe000)
#define OMAP850_GPIO6_BASE IO_ADDRESS(0xfffbe800)
#define OMAP850_GPIO_DATA_INPUT 0x00
#define OMAP850_GPIO_DATA_OUTPUT 0x04
#define OMAP850_GPIO_DIR_CONTROL 0x08
#define OMAP850_GPIO_INT_CONTROL 0x0c
#define OMAP850_GPIO_INT_MASK 0x10
#define OMAP850_GPIO_INT_STATUS 0x14

/*
* omap24xx specific GPIO registers
*/
Expand Down Expand Up @@ -159,7 +175,8 @@ struct gpio_bank {
#define METHOD_GPIO_1510 1
#define METHOD_GPIO_1610 2
#define METHOD_GPIO_730 3
#define METHOD_GPIO_24XX 4
#define METHOD_GPIO_850 4
#define METHOD_GPIO_24XX 5

#ifdef CONFIG_ARCH_OMAP16XX
static struct gpio_bank gpio_bank_1610[5] = {
Expand Down Expand Up @@ -190,6 +207,19 @@ static struct gpio_bank gpio_bank_730[7] = {
};
#endif

#ifdef CONFIG_ARCH_OMAP850
static struct gpio_bank gpio_bank_850[7] = {
{ OMAP_MPUIO_BASE, INT_850_MPUIO, IH_MPUIO_BASE, METHOD_MPUIO },
{ OMAP850_GPIO1_BASE, INT_850_GPIO_BANK1, IH_GPIO_BASE, METHOD_GPIO_850 },
{ OMAP850_GPIO2_BASE, INT_850_GPIO_BANK2, IH_GPIO_BASE + 32, METHOD_GPIO_850 },
{ OMAP850_GPIO3_BASE, INT_850_GPIO_BANK3, IH_GPIO_BASE + 64, METHOD_GPIO_850 },
{ OMAP850_GPIO4_BASE, INT_850_GPIO_BANK4, IH_GPIO_BASE + 96, METHOD_GPIO_850 },
{ OMAP850_GPIO5_BASE, INT_850_GPIO_BANK5, IH_GPIO_BASE + 128, METHOD_GPIO_850 },
{ OMAP850_GPIO6_BASE, INT_850_GPIO_BANK6, IH_GPIO_BASE + 160, METHOD_GPIO_850 },
};
#endif


#ifdef CONFIG_ARCH_OMAP24XX

static struct gpio_bank gpio_bank_242x[4] = {
Expand Down Expand Up @@ -236,7 +266,7 @@ static inline struct gpio_bank *get_gpio_bank(int gpio)
return &gpio_bank[0];
return &gpio_bank[1 + (gpio >> 4)];
}
if (cpu_is_omap730()) {
if (cpu_is_omap7xx()) {
if (OMAP_GPIO_IS_MPUIO(gpio))
return &gpio_bank[0];
return &gpio_bank[1 + (gpio >> 5)];
Expand All @@ -251,7 +281,7 @@ static inline struct gpio_bank *get_gpio_bank(int gpio)

static inline int get_gpio_index(int gpio)
{
if (cpu_is_omap730())
if (cpu_is_omap7xx())
return gpio & 0x1f;
if (cpu_is_omap24xx())
return gpio & 0x1f;
Expand All @@ -273,7 +303,7 @@ static inline int gpio_valid(int gpio)
return 0;
if ((cpu_is_omap16xx()) && gpio < 64)
return 0;
if (cpu_is_omap730() && gpio < 192)
if (cpu_is_omap7xx() && gpio < 192)
return 0;
if (cpu_is_omap24xx() && gpio < 128)
return 0;
Expand Down Expand Up @@ -318,6 +348,11 @@ static void _set_gpio_direction(struct gpio_bank *bank, int gpio, int is_input)
reg += OMAP730_GPIO_DIR_CONTROL;
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_DIR_CONTROL;
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_OE;
Expand Down Expand Up @@ -380,6 +415,16 @@ static void _set_gpio_dataout(struct gpio_bank *bank, int gpio, int enable)
l &= ~(1 << gpio);
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_DATA_OUTPUT;
l = __raw_readl(reg);
if (enable)
l |= 1 << gpio;
else
l &= ~(1 << gpio);
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
if (enable)
Expand Down Expand Up @@ -426,6 +471,11 @@ static int __omap_get_gpio_datain(int gpio)
reg += OMAP730_GPIO_DATA_INPUT;
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_DATA_INPUT;
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_DATAIN;
Expand Down Expand Up @@ -598,6 +648,18 @@ static int _set_gpio_triggering(struct gpio_bank *bank, int gpio, int trigger)
goto bad;
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_INT_CONTROL;
l = __raw_readl(reg);
if (trigger & IRQ_TYPE_EDGE_RISING)
l |= 1 << gpio;
else if (trigger & IRQ_TYPE_EDGE_FALLING)
l &= ~(1 << gpio);
else
goto bad;
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
set_24xx_gpio_triggering(bank, gpio, trigger);
Expand Down Expand Up @@ -678,6 +740,11 @@ static void _clear_gpio_irqbank(struct gpio_bank *bank, int gpio_mask)
reg += OMAP730_GPIO_INT_STATUS;
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_INT_STATUS;
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_IRQSTATUS1;
Expand Down Expand Up @@ -736,6 +803,13 @@ static u32 _get_gpio_irqbank_mask(struct gpio_bank *bank)
inv = 1;
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_INT_MASK;
mask = 0xffffffff;
inv = 1;
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_IRQENABLE1;
Expand Down Expand Up @@ -799,6 +873,16 @@ static void _enable_gpio_irqbank(struct gpio_bank *bank, int gpio_mask, int enab
l |= gpio_mask;
break;
#endif
#ifdef CONFIG_ARCH_OMAP850
case METHOD_GPIO_850:
reg += OMAP850_GPIO_INT_MASK;
l = __raw_readl(reg);
if (enable)
l &= ~(gpio_mask);
else
l |= gpio_mask;
break;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
case METHOD_GPIO_24XX:
if (enable)
Expand Down Expand Up @@ -983,6 +1067,10 @@ static void gpio_irq_handler(unsigned int irq, struct irq_desc *desc)
if (bank->method == METHOD_GPIO_730)
isr_reg = bank->base + OMAP730_GPIO_INT_STATUS;
#endif
#ifdef CONFIG_ARCH_OMAP850
if (bank->method == METHOD_GPIO_850)
isr_reg = bank->base + OMAP850_GPIO_INT_STATUS;
#endif
#if defined(CONFIG_ARCH_OMAP24XX) || defined(CONFIG_ARCH_OMAP34XX)
if (bank->method == METHOD_GPIO_24XX)
isr_reg = bank->base + OMAP24XX_GPIO_IRQSTATUS1;
Expand Down Expand Up @@ -1372,6 +1460,13 @@ static int __init _omap_gpio_init(void)
gpio_bank = gpio_bank_730;
}
#endif
#ifdef CONFIG_ARCH_OMAP850
if (cpu_is_omap850()) {
printk(KERN_INFO "OMAP850 GPIO hardware\n");
gpio_bank_count = 7;
gpio_bank = gpio_bank_850;
}
#endif

#ifdef CONFIG_ARCH_OMAP24XX
if (cpu_is_omap242x()) {
Expand Down Expand Up @@ -1420,7 +1515,7 @@ static int __init _omap_gpio_init(void)
__raw_writew(0xffff, bank->base + OMAP1610_GPIO_IRQSTATUS1);
__raw_writew(0x0014, bank->base + OMAP1610_GPIO_SYSCONFIG);
}
if (cpu_is_omap730() && bank->method == METHOD_GPIO_730) {
if (cpu_is_omap7xx() && bank->method == METHOD_GPIO_730) {
__raw_writel(0xffffffff, bank->base + OMAP730_GPIO_INT_MASK);
__raw_writel(0x00000000, bank->base + OMAP730_GPIO_INT_STATUS);

Expand Down Expand Up @@ -1743,6 +1838,9 @@ static int gpio_is_input(struct gpio_bank *bank, int mask)
case METHOD_GPIO_730:
reg += OMAP730_GPIO_DIR_CONTROL;
break;
case METHOD_GPIO_850:
reg += OMAP850_GPIO_DIR_CONTROL;
break;
case METHOD_GPIO_24XX:
reg += OMAP24XX_GPIO_OE;
break;
Expand All @@ -1762,7 +1860,8 @@ static int dbg_gpio_show(struct seq_file *s, void *unused)

if (bank_is_mpuio(bank))
gpio = OMAP_MPUIO(0);
else if (cpu_class_is_omap2() || cpu_is_omap730())
else if (cpu_class_is_omap2() || cpu_is_omap730() ||
cpu_is_omap850())
bankwidth = 32;

for (j = 0; j < bankwidth; j++, gpio++, mask <<= 1) {
Expand Down
3 changes: 2 additions & 1 deletion arch/arm/plat-omap/include/mach/gpio.h
View file
Original file line number Diff line number Diff line change
Expand Up @@ -31,7 +31,8 @@

#define OMAP_MPUIO_BASE 0xfffb5000

#ifdef CONFIG_ARCH_OMAP730
#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
Expand Down
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