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yaml
---
r: 295895
b: refs/heads/master
c: 937eb4b
h: refs/heads/master
i:
  295893: 35d45e8
  295891: 1d530e8
  295887: e93522b
v: v3
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Janusz Krzysztofik authored and Tony Lindgren committed Dec 22, 2011
1 parent 2b64cf5 commit 65c241f
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Showing 4 changed files with 243 additions and 40 deletions.
2 changes: 1 addition & 1 deletion [refs]
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@@ -1,2 +1,2 @@
---
refs/heads/master: f7519d8c8290765a9408a52db4ba4a368ff72ca5
refs/heads/master: 937eb4bb00588571f223eade260f9b509bf223ab
1 change: 1 addition & 0 deletions trunk/arch/arm/mach-omap1/Kconfig
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Expand Up @@ -155,6 +155,7 @@ config MACH_AMS_DELTA
bool "Amstrad E3 (Delta)"
depends on ARCH_OMAP1 && ARCH_OMAP15XX
select FIQ
select GPIO_GENERIC_PLATFORM
help
Support for the Amstrad E3 (codename Delta) videophone. Say Y here
if you have such a device.
Expand Down
237 changes: 207 additions & 30 deletions trunk/arch/arm/mach-omap1/board-ams-delta.c
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Original file line number Diff line number Diff line change
Expand Up @@ -11,6 +11,7 @@
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#include <linux/basic_mmio_gpio.h>
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
Expand Down Expand Up @@ -40,9 +41,6 @@

#include <mach/ams-delta-fiq.h>

static u8 ams_delta_latch1_reg;
static u16 ams_delta_latch2_reg;

static const unsigned int ams_delta_keymap[] = {
KEY(0, 0, KEY_F1), /* Advert */

Expand Down Expand Up @@ -121,39 +119,32 @@ static const unsigned int ams_delta_keymap[] = {
KEY(7, 3, KEY_LEFTCTRL), /* Vol down */
};

void ams_delta_latch1_write(u8 mask, u8 value)
{
ams_delta_latch1_reg &= ~mask;
ams_delta_latch1_reg |= value;
*(volatile __u8 *) AMS_DELTA_LATCH1_VIRT = ams_delta_latch1_reg;
}

void ams_delta_latch2_write(u16 mask, u16 value)
{
ams_delta_latch2_reg &= ~mask;
ams_delta_latch2_reg |= value;
*(volatile __u16 *) AMS_DELTA_LATCH2_VIRT = ams_delta_latch2_reg;
}
#define LATCH1_PHYS 0x01000000
#define LATCH1_VIRT 0xEA000000
#define MODEM_PHYS 0x04000000
#define MODEM_VIRT 0xEB000000
#define LATCH2_PHYS 0x08000000
#define LATCH2_VIRT 0xEC000000

static struct map_desc ams_delta_io_desc[] __initdata = {
/* AMS_DELTA_LATCH1 */
{
.virtual = AMS_DELTA_LATCH1_VIRT,
.pfn = __phys_to_pfn(AMS_DELTA_LATCH1_PHYS),
.virtual = LATCH1_VIRT,
.pfn = __phys_to_pfn(LATCH1_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
},
/* AMS_DELTA_LATCH2 */
{
.virtual = AMS_DELTA_LATCH2_VIRT,
.pfn = __phys_to_pfn(AMS_DELTA_LATCH2_PHYS),
.virtual = LATCH2_VIRT,
.pfn = __phys_to_pfn(LATCH2_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
},
/* AMS_DELTA_MODEM */
{
.virtual = AMS_DELTA_MODEM_VIRT,
.pfn = __phys_to_pfn(AMS_DELTA_MODEM_PHYS),
.virtual = MODEM_VIRT,
.pfn = __phys_to_pfn(MODEM_PHYS),
.length = 0x01000000,
.type = MT_DEVICE
}
Expand All @@ -173,6 +164,190 @@ static struct omap_board_config_kernel ams_delta_config[] __initdata = {
{ OMAP_TAG_LCD, &ams_delta_lcd_config },
};

static struct resource latch1_resources[] __initconst = {
[0] = {
.name = "dat",
.start = LATCH1_PHYS,
.end = LATCH1_PHYS + (AMS_DELTA_LATCH1_NGPIO - 1) / 8,
.flags = IORESOURCE_MEM,
},
};

static struct bgpio_pdata latch1_pdata __initconst = {
.base = AMS_DELTA_LATCH1_GPIO_BASE,
.ngpio = AMS_DELTA_LATCH1_NGPIO,
};

static struct platform_device latch1_gpio_device = {
.name = "basic-mmio-gpio",
.id = 0,
.resource = latch1_resources,
.num_resources = ARRAY_SIZE(latch1_resources),
.dev = {
.platform_data = &latch1_pdata,
},
};

static struct resource latch2_resources[] __initconst = {
[0] = {
.name = "dat",
.start = LATCH2_PHYS,
.end = LATCH2_PHYS + (AMS_DELTA_LATCH2_NGPIO - 1) / 8,
.flags = IORESOURCE_MEM,
},
};

static struct bgpio_pdata latch2_pdata __initconst = {
.base = AMS_DELTA_LATCH2_GPIO_BASE,
.ngpio = AMS_DELTA_LATCH2_NGPIO,
};

static struct platform_device latch2_gpio_device = {
.name = "basic-mmio-gpio",
.id = 1,
.resource = latch2_resources,
.num_resources = ARRAY_SIZE(latch2_resources),
.dev = {
.platform_data = &latch2_pdata,
},
};

static struct gpio latch_gpios[] __initconst = {
{
.gpio = AMS_DELTA_GPIO_PIN_LED_CAMERA,
.flags = GPIOF_OUT_INIT_LOW,
.label = "led_camera",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LED_ADVERT,
.flags = GPIOF_OUT_INIT_LOW,
.label = "led_advert",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LED_EMAIL,
.flags = GPIOF_OUT_INIT_LOW,
.label = "led_email",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LED_HANDSFREE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "led_handsfree",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LED_VOICEMAIL,
.flags = GPIOF_OUT_INIT_LOW,
.label = "led_voicemail",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LED_VOICE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "led_voice",
},
{
.gpio = AMS_DELTA_LATCH1_GPIO_BASE + 6,
.flags = GPIOF_OUT_INIT_LOW,
.label = "dockit1",
},
{
.gpio = AMS_DELTA_LATCH1_GPIO_BASE + 7,
.flags = GPIOF_OUT_INIT_LOW,
.label = "dockit2",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LCD_VBLEN,
.flags = GPIOF_OUT_INIT_LOW,
.label = "lcd_vblen",
},
{
.gpio = AMS_DELTA_GPIO_PIN_LCD_NDISP,
.flags = GPIOF_OUT_INIT_LOW,
.label = "lcd_ndisp",
},
{
.gpio = AMS_DELTA_GPIO_PIN_NAND_NCE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "nand_nce",
},
{
.gpio = AMS_DELTA_GPIO_PIN_NAND_NRE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "nand_nre",
},
{
.gpio = AMS_DELTA_GPIO_PIN_NAND_NWP,
.flags = GPIOF_OUT_INIT_LOW,
.label = "nand_nwp",
},
{
.gpio = AMS_DELTA_GPIO_PIN_NAND_NWE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "nand_nwe",
},
{
.gpio = AMS_DELTA_GPIO_PIN_NAND_ALE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "nand_ale",
},
{
.gpio = AMS_DELTA_GPIO_PIN_NAND_CLE,
.flags = GPIOF_OUT_INIT_LOW,
.label = "nand_cle",
},
{
.gpio = AMS_DELTA_GPIO_PIN_KEYBRD_PWR,
.flags = GPIOF_OUT_INIT_LOW,
.label = "keybrd_pwr",
},
{
.gpio = AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT,
.flags = GPIOF_OUT_INIT_LOW,
.label = "keybrd_dataout",
},
{
.gpio = AMS_DELTA_GPIO_PIN_SCARD_RSTIN,
.flags = GPIOF_OUT_INIT_LOW,
.label = "scard_rstin",
},
{
.gpio = AMS_DELTA_GPIO_PIN_SCARD_CMDVCC,
.flags = GPIOF_OUT_INIT_LOW,
.label = "scard_cmdvcc",
},
{
.gpio = AMS_DELTA_GPIO_PIN_MODEM_NRESET,
.flags = GPIOF_OUT_INIT_LOW,
.label = "modem_nreset",
},
{
.gpio = AMS_DELTA_GPIO_PIN_MODEM_CODEC,
.flags = GPIOF_OUT_INIT_LOW,
.label = "modem_codec",
},
{
.gpio = AMS_DELTA_LATCH2_GPIO_BASE + 14,
.flags = GPIOF_OUT_INIT_LOW,
.label = "hookflash1",
},
{
.gpio = AMS_DELTA_LATCH2_GPIO_BASE + 15,
.flags = GPIOF_OUT_INIT_LOW,
.label = "hookflash2",
},
};

void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value)
{
int bit = 0;
u16 bitpos = 1 << bit;

for (; bit < ngpio; bit++, bitpos = bitpos << 1) {
if (!(mask & bitpos))
continue;
gpio_set_value(base + bit, (value & bitpos) != 0);
}
}
EXPORT_SYMBOL(ams_delta_latch_write);

static struct resource ams_delta_nand_resources[] = {
[0] = {
.start = OMAP1_MPUIO_BASE,
Expand Down Expand Up @@ -275,11 +450,13 @@ static struct omap1_cam_platform_data ams_delta_camera_platform_data = {
};

static struct platform_device *ams_delta_devices[] __initdata = {
&latch1_gpio_device,
&latch2_gpio_device,
&ams_delta_kp_device,
&ams_delta_camera_device,
};

static struct platform_device *late_devices[] __initdata = {
static struct platform_device *late_devices[] __initconst = {
&ams_delta_nand_device,
&ams_delta_lcd_device,
&ams_delta_led_device,
Expand Down Expand Up @@ -325,8 +502,8 @@ static void __init ams_delta_init(void)

static struct plat_serial8250_port ams_delta_modem_ports[] = {
{
.membase = IOMEM(AMS_DELTA_MODEM_VIRT),
.mapbase = AMS_DELTA_MODEM_PHYS,
.membase = IOMEM(MODEM_VIRT),
.mapbase = MODEM_PHYS,
.irq = -EINVAL, /* changed later */
.flags = UPF_BOOT_AUTOCONF,
.irqflags = IRQF_TRIGGER_RISING,
Expand All @@ -352,8 +529,11 @@ static int __init late_init(void)
if (!machine_is_ams_delta())
return -ENODEV;

/* Clear latch2 (NAND, LCD, modem enable) */
ams_delta_latch2_write(~0, 0);
err = gpio_request_array(latch_gpios, ARRAY_SIZE(latch_gpios));
if (err) {
pr_err("Couldn't take over latch1/latch2 GPIO pins\n");
return err;
}

platform_add_devices(late_devices, ARRAY_SIZE(late_devices));

Expand Down Expand Up @@ -399,6 +579,3 @@ MACHINE_START(AMS_DELTA, "Amstrad E3 (Delta)")
.init_machine = ams_delta_init,
.timer = &omap1_timer,
MACHINE_END

EXPORT_SYMBOL(ams_delta_latch1_write);
EXPORT_SYMBOL(ams_delta_latch2_write);
43 changes: 34 additions & 9 deletions trunk/arch/arm/plat-omap/include/plat/board-ams-delta.h
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Original file line number Diff line number Diff line change
Expand Up @@ -28,13 +28,6 @@

#if defined (CONFIG_MACH_AMS_DELTA)

#define AMS_DELTA_LATCH1_PHYS 0x01000000
#define AMS_DELTA_LATCH1_VIRT 0xEA000000
#define AMS_DELTA_MODEM_PHYS 0x04000000
#define AMS_DELTA_MODEM_VIRT 0xEB000000
#define AMS_DELTA_LATCH2_PHYS 0x08000000
#define AMS_DELTA_LATCH2_VIRT 0xEC000000

#define AMS_DELTA_LATCH1_LED_CAMERA 0x01
#define AMS_DELTA_LATCH1_LED_ADVERT 0x02
#define AMS_DELTA_LATCH1_LED_EMAIL 0x04
Expand Down Expand Up @@ -66,9 +59,41 @@
#define AMS_DELTA_GPIO_PIN_CONFIG 11
#define AMS_DELTA_GPIO_PIN_NAND_RB 12

#define AMS_DELTA_GPIO_PIN_LED_CAMERA 232
#define AMS_DELTA_GPIO_PIN_LED_ADVERT 233
#define AMS_DELTA_GPIO_PIN_LED_EMAIL 234
#define AMS_DELTA_GPIO_PIN_LED_HANDSFREE 235
#define AMS_DELTA_GPIO_PIN_LED_VOICEMAIL 236
#define AMS_DELTA_GPIO_PIN_LED_VOICE 237

#define AMS_DELTA_GPIO_PIN_LCD_VBLEN 240
#define AMS_DELTA_GPIO_PIN_LCD_NDISP 241
#define AMS_DELTA_GPIO_PIN_NAND_NCE 242
#define AMS_DELTA_GPIO_PIN_NAND_NRE 243
#define AMS_DELTA_GPIO_PIN_NAND_NWP 244
#define AMS_DELTA_GPIO_PIN_NAND_NWE 245
#define AMS_DELTA_GPIO_PIN_NAND_ALE 246
#define AMS_DELTA_GPIO_PIN_NAND_CLE 247
#define AMS_DELTA_GPIO_PIN_KEYBRD_PWR 248
#define AMS_DELTA_GPIO_PIN_KEYBRD_DATAOUT 249
#define AMS_DELTA_GPIO_PIN_SCARD_RSTIN 250
#define AMS_DELTA_GPIO_PIN_SCARD_CMDVCC 251
#define AMS_DELTA_GPIO_PIN_MODEM_NRESET 252
#define AMS_DELTA_GPIO_PIN_MODEM_CODEC 253

#define AMS_DELTA_LATCH1_GPIO_BASE AMS_DELTA_GPIO_PIN_LED_CAMERA
#define AMS_DELTA_LATCH1_NGPIO 8
#define AMS_DELTA_LATCH2_GPIO_BASE AMS_DELTA_GPIO_PIN_LCD_VBLEN
#define AMS_DELTA_LATCH2_NGPIO 16

#ifndef __ASSEMBLY__
void ams_delta_latch1_write(u8 mask, u8 value);
void ams_delta_latch2_write(u16 mask, u16 value);
void ams_delta_latch_write(int base, int ngpio, u16 mask, u16 value);
#define ams_delta_latch1_write(mask, value) \
ams_delta_latch_write(AMS_DELTA_LATCH1_GPIO_BASE, \
AMS_DELTA_LATCH1_NGPIO, (mask), (value))
#define ams_delta_latch2_write(mask, value) \
ams_delta_latch_write(AMS_DELTA_LATCH2_GPIO_BASE, \
AMS_DELTA_LATCH2_NGPIO, (mask), (value))
#endif

#endif /* CONFIG_MACH_AMS_DELTA */
Expand Down

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