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dm: omap3: Move to driver model for GPIO and serial

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Adjust the configuration for the am33xx boards, including beagleboard,
to use driver model.

Signed-off-by: Simon Glass <sjg@chromium.org>
Acked-by: Tom Rini <trini@ti.com>
This commit is contained in:
Simon Glass 2014-10-22 21:37:15 -06:00
parent 1a44cd89fa
commit b3f4ca1135
7 changed files with 138 additions and 50 deletions
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26
arch/arm/cpu/armv7/omap3/board.c
View File

@ -17,13 +17,14 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <spl.h>
#include <asm/io.h>
#include <asm/arch/sys_proto.h>
#include <asm/arch/mem.h>
#include <asm/cache.h>
#include <asm/armv7.h>
#include <asm/arch/gpio.h>
#include <asm/gpio.h>
#include <asm/omap_common.h>
#include <asm/arch/mmc_host_def.h>
#include <i2c.h>
@ -38,6 +39,27 @@ static void omap3_setup_aux_cr(void);
static void omap3_invalidate_l2_cache_secure(void);
#endif
#ifdef CONFIG_DM_GPIO
static const struct omap_gpio_platdata omap34xx_gpio[] = {
{ 0, OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
{ 1, OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
{ 2, OMAP34XX_GPIO3_BASE, METHOD_GPIO_24XX },
{ 3, OMAP34XX_GPIO4_BASE, METHOD_GPIO_24XX },
{ 4, OMAP34XX_GPIO5_BASE, METHOD_GPIO_24XX },
{ 5, OMAP34XX_GPIO6_BASE, METHOD_GPIO_24XX },
};
U_BOOT_DEVICES(am33xx_gpios) = {
{ "gpio_omap", &omap34xx_gpio[0] },
{ "gpio_omap", &omap34xx_gpio[1] },
{ "gpio_omap", &omap34xx_gpio[2] },
{ "gpio_omap", &omap34xx_gpio[3] },
{ "gpio_omap", &omap34xx_gpio[4] },
{ "gpio_omap", &omap34xx_gpio[5] },
};
#else
static const struct gpio_bank gpio_bank_34xx[6] = {
{ (void *)OMAP34XX_GPIO1_BASE, METHOD_GPIO_24XX },
{ (void *)OMAP34XX_GPIO2_BASE, METHOD_GPIO_24XX },
@ -49,6 +71,8 @@ static const struct gpio_bank gpio_bank_34xx[6] = {
const struct gpio_bank *const omap_gpio_bank = gpio_bank_34xx;
#endif
#ifdef CONFIG_SPL_BUILD
/*
* We use static variables because global data is not ready yet.

13
board/isee/igep00x0/igep00x0.c
View File

@ -5,6 +5,8 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <ns16550.h>
#include <twl4030.h>
#include <netdev.h>
#include <asm/gpio.h>
@ -30,6 +32,17 @@ static const u32 gpmc_lan_config[] = {
};
#endif
static const struct ns16550_platdata igep_serial = {
OMAP34XX_UART3,
2,
V_NS16550_CLK
};
U_BOOT_DEVICE(igep_uart) = {
"serial_omap",
&igep_serial
};
/*
* Routine: board_init
* Description: Early hardware init.

13
board/logicpd/zoom1/zoom1.c
View File

@ -15,6 +15,8 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <ns16550.h>
#include <netdev.h>
#include <twl4030.h>
#include <asm/io.h>
@ -41,6 +43,17 @@ static const u32 gpmc_lab_enet[] = {
/*CONF7- computed as params */
};
static const struct ns16550_platdata zoom1_serial = {
OMAP34XX_UART3,
2,
V_NS16550_CLK
};
U_BOOT_DEVICE(zoom1_uart) = {
"serial_omap",
&zoom1_serial
};
/*
* Routine: board_init
* Description: Early hardware init.

13
board/overo/overo.c
View File

@ -13,6 +13,8 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <ns16550.h>
#include <netdev.h>
#include <twl4030.h>
#include <linux/mtd/nand.h>
@ -73,6 +75,17 @@ static const u32 gpmc_lan_config[] = {
/*CONFIG7- computed as params */
};
static const struct ns16550_platdata overo_serial = {
OMAP34XX_UART3,
2,
V_NS16550_CLK
};
U_BOOT_DEVICE(overo_uart) = {
"serial_omap",
&overo_serial
};
/*
* Routine: board_init
* Description: Early hardware init.

43
board/ti/beagle/beagle.c
View File

@ -14,6 +14,8 @@
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
#include <dm.h>
#include <ns16550.h>
#ifdef CONFIG_STATUS_LED
#include <status_led.h>
#endif
@ -70,6 +72,17 @@ static struct {
char env_setting[64];
} expansion_config;
static const struct ns16550_platdata beagle_serial = {
OMAP34XX_UART3,
2,
V_NS16550_CLK
};
U_BOOT_DEVICE(beagle_uart) = {
"serial_omap",
&beagle_serial
};
/*
* Routine: board_init
* Description: Early hardware init.
@ -103,22 +116,22 @@ int board_init(void)
*/
static int get_board_revision(void)
{
int revision;
static int revision = -1;
if (!gpio_request(171, "") &&
!gpio_request(172, "") &&
!gpio_request(173, "")) {
if (revision == -1) {
if (!gpio_request(171, "rev0") &&
!gpio_request(172, "rev1") &&
!gpio_request(173, "rev2")) {
gpio_direction_input(171);
gpio_direction_input(172);
gpio_direction_input(173);
gpio_direction_input(171);
gpio_direction_input(172);
gpio_direction_input(173);
revision = gpio_get_value(173) << 2 |
gpio_get_value(172) << 1 |
gpio_get_value(171);
} else {
printf("Error: unable to acquire board revision GPIOs\n");
revision = -1;
revision = gpio_get_value(173) << 2 |
gpio_get_value(172) << 1 |
gpio_get_value(171);
} else {
printf("Error: unable to acquire board revision GPIOs\n");
}
}
return revision;
@ -258,7 +271,7 @@ static void beagle_dvi_pup(void)
case REVISION_AXBX:
case REVISION_CX:
case REVISION_C4:
gpio_request(170, "");
gpio_request(170, "dvi");
gpio_direction_output(170, 0);
gpio_set_value(170, 1);
break;

61
board/ti/beagle/led.c
View File

@ -27,47 +27,46 @@ void green_led_on(void)
}
#endif
static int get_led_gpio(led_id_t mask)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask)
return BEAGLE_LED_USR0;
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask)
return BEAGLE_LED_USR1;
#endif
return 0;
}
void __led_init (led_id_t mask, int state)
{
__led_set (mask, state);
int toggle_gpio;
toggle_gpio = get_led_gpio(mask);
if (toggle_gpio && !gpio_request(toggle_gpio, "led"))
__led_set(mask, state);
}
void __led_toggle (led_id_t mask)
{
int state, toggle_gpio = 0;
#ifdef STATUS_LED_BIT
if (!toggle_gpio && STATUS_LED_BIT & mask)
toggle_gpio = BEAGLE_LED_USR0;
#endif
#ifdef STATUS_LED_BIT1
if (!toggle_gpio && STATUS_LED_BIT1 & mask)
toggle_gpio = BEAGLE_LED_USR1;
#endif
int state, toggle_gpio;
toggle_gpio = get_led_gpio(mask);
if (toggle_gpio) {
if (!gpio_request(toggle_gpio, "")) {
gpio_direction_output(toggle_gpio, 0);
state = gpio_get_value(toggle_gpio);
gpio_set_value(toggle_gpio, !state);
}
state = gpio_get_value(toggle_gpio);
gpio_direction_output(toggle_gpio, !state);
}
}
void __led_set (led_id_t mask, int state)
{
#ifdef STATUS_LED_BIT
if (STATUS_LED_BIT & mask) {
if (!gpio_request(BEAGLE_LED_USR0, "")) {
gpio_direction_output(BEAGLE_LED_USR0, 0);
gpio_set_value(BEAGLE_LED_USR0, state);
}
}
#endif
#ifdef STATUS_LED_BIT1
if (STATUS_LED_BIT1 & mask) {
if (!gpio_request(BEAGLE_LED_USR1, "")) {
gpio_direction_output(BEAGLE_LED_USR1, 0);
gpio_set_value(BEAGLE_LED_USR1, state);
}
}
#endif
int toggle_gpio;
toggle_gpio = get_led_gpio(mask);
if (toggle_gpio)
gpio_direction_output(toggle_gpio, state);
}

19
include/configs/ti_omap3_common.h
View File

@ -18,6 +18,15 @@
#include <asm/arch/cpu.h>
#include <asm/arch/omap3.h>
#ifndef CONFIG_SPL_BUILD
# define CONFIG_DM
# define CONFIG_CMD_DM
# define CONFIG_DM_GPIO
# define CONFIG_DM_SERIAL
# define CONFIG_OMAP_SERIAL
# define CONFIG_SYS_MALLOC_F_LEN (1 << 10)
#endif
/* The chip has SDRC controller */
#define CONFIG_SDRC
@ -28,16 +37,20 @@
/* NS16550 Configuration */
#define V_NS16550_CLK 48000000 /* 48MHz (APLL96/2) */
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
#define CONFIG_SYS_NS16550_REG_SIZE (-4)
#define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
#ifdef CONFIG_SPL_BUILD
# define CONFIG_SYS_NS16550_SERIAL
# define CONFIG_SYS_NS16550_REG_SIZE (-4)
# define CONFIG_SYS_NS16550_CLK V_NS16550_CLK
#endif
#define CONFIG_SYS_BAUDRATE_TABLE {4800, 9600, 19200, 38400, 57600, \
115200}
/* Select serial console configuration */
#define CONFIG_CONS_INDEX 3
#ifdef CONFIG_SPL_BUILD
#define CONFIG_SYS_NS16550_COM3 OMAP34XX_UART3
#define CONFIG_SERIAL3 3
#endif
/* Physical Memory Map */
#define PHYS_SDRAM_1 OMAP34XX_SDRC_CS0