linux_old1/arch/arm/mach-omap2/devices.c

723 lines
17 KiB
C

/*
* linux/arch/arm/mach-omap2/devices.c
*
* OMAP2 platform device setup/initialization
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*/
#include <linux/gpio.h>
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/platform_device.h>
#include <linux/io.h>
#include <linux/clk.h>
#include <linux/err.h>
#include <linux/slab.h>
#include <linux/of.h>
#include <mach/hardware.h>
#include <mach/irqs.h>
#include <asm/mach-types.h>
#include <asm/mach/map.h>
#include <asm/pmu.h>
#include <plat/tc.h>
#include <plat/board.h>
#include <plat/mcbsp.h>
#include <plat/mmc.h>
#include <plat/dma.h>
#include <plat/omap_hwmod.h>
#include <plat/omap_device.h>
#include <plat/omap4-keypad.h>
#include "mux.h"
#include "control.h"
#include "devices.h"
#define L3_MODULES_MAX_LEN 12
#define L3_MODULES 3
static int __init omap3_l3_init(void)
{
int l;
struct omap_hwmod *oh;
struct platform_device *pdev;
char oh_name[L3_MODULES_MAX_LEN];
/*
* To avoid code running on other OMAPs in
* multi-omap builds
*/
if (!(cpu_is_omap34xx()))
return -ENODEV;
l = snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main");
oh = omap_hwmod_lookup(oh_name);
if (!oh)
pr_err("could not look up %s\n", oh_name);
pdev = omap_device_build("omap_l3_smx", 0, oh, NULL, 0,
NULL, 0, 0);
WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
}
postcore_initcall(omap3_l3_init);
static int __init omap4_l3_init(void)
{
int l, i;
struct omap_hwmod *oh[3];
struct platform_device *pdev;
char oh_name[L3_MODULES_MAX_LEN];
/* If dtb is there, the devices will be created dynamically */
if (of_have_populated_dt())
return -ENODEV;
/*
* To avoid code running on other OMAPs in
* multi-omap builds
*/
if (!(cpu_is_omap44xx()))
return -ENODEV;
for (i = 0; i < L3_MODULES; i++) {
l = snprintf(oh_name, L3_MODULES_MAX_LEN, "l3_main_%d", i+1);
oh[i] = omap_hwmod_lookup(oh_name);
if (!(oh[i]))
pr_err("could not look up %s\n", oh_name);
}
pdev = omap_device_build_ss("omap_l3_noc", 0, oh, 3, NULL,
0, NULL, 0, 0);
WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name);
return IS_ERR(pdev) ? PTR_ERR(pdev) : 0;
}
postcore_initcall(omap4_l3_init);
#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
static struct resource omap2cam_resources[] = {
{
.start = OMAP24XX_CAMERA_BASE,
.end = OMAP24XX_CAMERA_BASE + 0xfff,
.flags = IORESOURCE_MEM,
},
{
.start = INT_24XX_CAM_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device omap2cam_device = {
.name = "omap24xxcam",
.id = -1,
.num_resources = ARRAY_SIZE(omap2cam_resources),
.resource = omap2cam_resources,
};
#endif
static struct resource omap3isp_resources[] = {
{
.start = OMAP3430_ISP_BASE,
.end = OMAP3430_ISP_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_CCP2_BASE,
.end = OMAP3430_ISP_CCP2_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_CCDC_BASE,
.end = OMAP3430_ISP_CCDC_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_HIST_BASE,
.end = OMAP3430_ISP_HIST_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_H3A_BASE,
.end = OMAP3430_ISP_H3A_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_PREV_BASE,
.end = OMAP3430_ISP_PREV_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_RESZ_BASE,
.end = OMAP3430_ISP_RESZ_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_SBL_BASE,
.end = OMAP3430_ISP_SBL_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_CSI2A_REGS1_BASE,
.end = OMAP3430_ISP_CSI2A_REGS1_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3430_ISP_CSIPHY2_BASE,
.end = OMAP3430_ISP_CSIPHY2_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3630_ISP_CSI2A_REGS2_BASE,
.end = OMAP3630_ISP_CSI2A_REGS2_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3630_ISP_CSI2C_REGS1_BASE,
.end = OMAP3630_ISP_CSI2C_REGS1_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3630_ISP_CSIPHY1_BASE,
.end = OMAP3630_ISP_CSIPHY1_END,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP3630_ISP_CSI2C_REGS2_BASE,
.end = OMAP3630_ISP_CSI2C_REGS2_END,
.flags = IORESOURCE_MEM,
},
{
.start = INT_34XX_CAM_IRQ,
.flags = IORESOURCE_IRQ,
}
};
static struct platform_device omap3isp_device = {
.name = "omap3isp",
.id = -1,
.num_resources = ARRAY_SIZE(omap3isp_resources),
.resource = omap3isp_resources,
};
int omap3_init_camera(struct isp_platform_data *pdata)
{
omap3isp_device.dev.platform_data = pdata;
return platform_device_register(&omap3isp_device);
}
static inline void omap_init_camera(void)
{
#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
if (cpu_is_omap24xx())
platform_device_register(&omap2cam_device);
#endif
}
int __init omap4_keyboard_init(struct omap4_keypad_platform_data
*sdp4430_keypad_data, struct omap_board_data *bdata)
{
struct platform_device *pdev;
struct omap_hwmod *oh;
struct omap4_keypad_platform_data *keypad_data;
unsigned int id = -1;
char *oh_name = "kbd";
char *name = "omap4-keypad";
oh = omap_hwmod_lookup(oh_name);
if (!oh) {
pr_err("Could not look up %s\n", oh_name);
return -ENODEV;
}
keypad_data = sdp4430_keypad_data;
pdev = omap_device_build(name, id, oh, keypad_data,
sizeof(struct omap4_keypad_platform_data), NULL, 0, 0);
if (IS_ERR(pdev)) {
WARN(1, "Can't build omap_device for %s:%s.\n",
name, oh->name);
return PTR_ERR(pdev);
}
oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
return 0;
}
#if defined(CONFIG_OMAP_MBOX_FWK) || defined(CONFIG_OMAP_MBOX_FWK_MODULE)
static inline void omap_init_mbox(void)
{
struct omap_hwmod *oh;
struct platform_device *pdev;
oh = omap_hwmod_lookup("mailbox");
if (!oh) {
pr_err("%s: unable to find hwmod\n", __func__);
return;
}
pdev = omap_device_build("omap-mailbox", -1, oh, NULL, 0, NULL, 0, 0);
WARN(IS_ERR(pdev), "%s: could not build device, err %ld\n",
__func__, PTR_ERR(pdev));
}
#else
static inline void omap_init_mbox(void) { }
#endif /* CONFIG_OMAP_MBOX_FWK */
static inline void omap_init_sti(void) {}
#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE)
static struct platform_device omap_pcm = {
.name = "omap-pcm-audio",
.id = -1,
};
/*
* OMAP2420 has 2 McBSP ports
* OMAP2430 has 5 McBSP ports
* OMAP3 has 5 McBSP ports
* OMAP4 has 4 McBSP ports
*/
OMAP_MCBSP_PLATFORM_DEVICE(1);
OMAP_MCBSP_PLATFORM_DEVICE(2);
OMAP_MCBSP_PLATFORM_DEVICE(3);
OMAP_MCBSP_PLATFORM_DEVICE(4);
OMAP_MCBSP_PLATFORM_DEVICE(5);
static void omap_init_audio(void)
{
platform_device_register(&omap_mcbsp1);
platform_device_register(&omap_mcbsp2);
if (cpu_is_omap243x() || cpu_is_omap34xx() || cpu_is_omap44xx()) {
platform_device_register(&omap_mcbsp3);
platform_device_register(&omap_mcbsp4);
}
if (cpu_is_omap243x() || cpu_is_omap34xx())
platform_device_register(&omap_mcbsp5);
platform_device_register(&omap_pcm);
}
#else
static inline void omap_init_audio(void) {}
#endif
#if defined(CONFIG_SND_OMAP_SOC_MCPDM) || \
defined(CONFIG_SND_OMAP_SOC_MCPDM_MODULE)
static void omap_init_mcpdm(void)
{
struct omap_hwmod *oh;
struct platform_device *pdev;
oh = omap_hwmod_lookup("mcpdm");
if (!oh) {
printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
return;
}
pdev = omap_device_build("omap-mcpdm", -1, oh, NULL, 0, NULL, 0, 0);
WARN(IS_ERR(pdev), "Can't build omap_device for omap-mcpdm.\n");
}
#else
static inline void omap_init_mcpdm(void) {}
#endif
#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
#include <plat/mcspi.h>
static int omap_mcspi_init(struct omap_hwmod *oh, void *unused)
{
struct platform_device *pdev;
char *name = "omap2_mcspi";
struct omap2_mcspi_platform_config *pdata;
static int spi_num;
struct omap2_mcspi_dev_attr *mcspi_attrib = oh->dev_attr;
pdata = kzalloc(sizeof(*pdata), GFP_KERNEL);
if (!pdata) {
pr_err("Memory allocation for McSPI device failed\n");
return -ENOMEM;
}
pdata->num_cs = mcspi_attrib->num_chipselect;
switch (oh->class->rev) {
case OMAP2_MCSPI_REV:
case OMAP3_MCSPI_REV:
pdata->regs_offset = 0;
break;
case OMAP4_MCSPI_REV:
pdata->regs_offset = OMAP4_MCSPI_REG_OFFSET;
break;
default:
pr_err("Invalid McSPI Revision value\n");
return -EINVAL;
}
spi_num++;
pdev = omap_device_build(name, spi_num, oh, pdata,
sizeof(*pdata), NULL, 0, 0);
WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s\n",
name, oh->name);
kfree(pdata);
return 0;
}
static void omap_init_mcspi(void)
{
omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL);
}
#else
static inline void omap_init_mcspi(void) {}
#endif
static struct resource omap2_pmu_resource = {
.start = 3,
.end = 3,
.flags = IORESOURCE_IRQ,
};
static struct resource omap3_pmu_resource = {
.start = INT_34XX_BENCH_MPU_EMUL,
.end = INT_34XX_BENCH_MPU_EMUL,
.flags = IORESOURCE_IRQ,
};
static struct platform_device omap_pmu_device = {
.name = "arm-pmu",
.id = ARM_PMU_DEVICE_CPU,
.num_resources = 1,
};
static void omap_init_pmu(void)
{
if (cpu_is_omap24xx())
omap_pmu_device.resource = &omap2_pmu_resource;
else if (cpu_is_omap34xx())
omap_pmu_device.resource = &omap3_pmu_resource;
else
return;
platform_device_register(&omap_pmu_device);
}
#if defined(CONFIG_CRYPTO_DEV_OMAP_SHAM) || defined(CONFIG_CRYPTO_DEV_OMAP_SHAM_MODULE)
#ifdef CONFIG_ARCH_OMAP2
static struct resource omap2_sham_resources[] = {
{
.start = OMAP24XX_SEC_SHA1MD5_BASE,
.end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64,
.flags = IORESOURCE_MEM,
},
{
.start = INT_24XX_SHA1MD5,
.flags = IORESOURCE_IRQ,
}
};
static int omap2_sham_resources_sz = ARRAY_SIZE(omap2_sham_resources);
#else
#define omap2_sham_resources NULL
#define omap2_sham_resources_sz 0
#endif
#ifdef CONFIG_ARCH_OMAP3
static struct resource omap3_sham_resources[] = {
{
.start = OMAP34XX_SEC_SHA1MD5_BASE,
.end = OMAP34XX_SEC_SHA1MD5_BASE + 0x64,
.flags = IORESOURCE_MEM,
},
{
.start = INT_34XX_SHA1MD52_IRQ,
.flags = IORESOURCE_IRQ,
},
{
.start = OMAP34XX_DMA_SHA1MD5_RX,
.flags = IORESOURCE_DMA,
}
};
static int omap3_sham_resources_sz = ARRAY_SIZE(omap3_sham_resources);
#else
#define omap3_sham_resources NULL
#define omap3_sham_resources_sz 0
#endif
static struct platform_device sham_device = {
.name = "omap-sham",
.id = -1,
};
static void omap_init_sham(void)
{
if (cpu_is_omap24xx()) {
sham_device.resource = omap2_sham_resources;
sham_device.num_resources = omap2_sham_resources_sz;
} else if (cpu_is_omap34xx()) {
sham_device.resource = omap3_sham_resources;
sham_device.num_resources = omap3_sham_resources_sz;
} else {
pr_err("%s: platform not supported\n", __func__);
return;
}
platform_device_register(&sham_device);
}
#else
static inline void omap_init_sham(void) { }
#endif
#if defined(CONFIG_CRYPTO_DEV_OMAP_AES) || defined(CONFIG_CRYPTO_DEV_OMAP_AES_MODULE)
#ifdef CONFIG_ARCH_OMAP2
static struct resource omap2_aes_resources[] = {
{
.start = OMAP24XX_SEC_AES_BASE,
.end = OMAP24XX_SEC_AES_BASE + 0x4C,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP24XX_DMA_AES_TX,
.flags = IORESOURCE_DMA,
},
{
.start = OMAP24XX_DMA_AES_RX,
.flags = IORESOURCE_DMA,
}
};
static int omap2_aes_resources_sz = ARRAY_SIZE(omap2_aes_resources);
#else
#define omap2_aes_resources NULL
#define omap2_aes_resources_sz 0
#endif
#ifdef CONFIG_ARCH_OMAP3
static struct resource omap3_aes_resources[] = {
{
.start = OMAP34XX_SEC_AES_BASE,
.end = OMAP34XX_SEC_AES_BASE + 0x4C,
.flags = IORESOURCE_MEM,
},
{
.start = OMAP34XX_DMA_AES2_TX,
.flags = IORESOURCE_DMA,
},
{
.start = OMAP34XX_DMA_AES2_RX,
.flags = IORESOURCE_DMA,
}
};
static int omap3_aes_resources_sz = ARRAY_SIZE(omap3_aes_resources);
#else
#define omap3_aes_resources NULL
#define omap3_aes_resources_sz 0
#endif
static struct platform_device aes_device = {
.name = "omap-aes",
.id = -1,
};
static void omap_init_aes(void)
{
if (cpu_is_omap24xx()) {
aes_device.resource = omap2_aes_resources;
aes_device.num_resources = omap2_aes_resources_sz;
} else if (cpu_is_omap34xx()) {
aes_device.resource = omap3_aes_resources;
aes_device.num_resources = omap3_aes_resources_sz;
} else {
pr_err("%s: platform not supported\n", __func__);
return;
}
platform_device_register(&aes_device);
}
#else
static inline void omap_init_aes(void) { }
#endif
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
static inline void omap242x_mmc_mux(struct omap_mmc_platform_data
*mmc_controller)
{
if ((mmc_controller->slots[0].switch_pin > 0) && \
(mmc_controller->slots[0].switch_pin < OMAP_MAX_GPIO_LINES))
omap_mux_init_gpio(mmc_controller->slots[0].switch_pin,
OMAP_PIN_INPUT_PULLUP);
if ((mmc_controller->slots[0].gpio_wp > 0) && \
(mmc_controller->slots[0].gpio_wp < OMAP_MAX_GPIO_LINES))
omap_mux_init_gpio(mmc_controller->slots[0].gpio_wp,
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("sdmmc_cmd", 0);
omap_mux_init_signal("sdmmc_clki", 0);
omap_mux_init_signal("sdmmc_clko", 0);
omap_mux_init_signal("sdmmc_dat0", 0);
omap_mux_init_signal("sdmmc_dat_dir0", 0);
omap_mux_init_signal("sdmmc_cmd_dir", 0);
if (mmc_controller->slots[0].caps & MMC_CAP_4_BIT_DATA) {
omap_mux_init_signal("sdmmc_dat1", 0);
omap_mux_init_signal("sdmmc_dat2", 0);
omap_mux_init_signal("sdmmc_dat3", 0);
omap_mux_init_signal("sdmmc_dat_dir1", 0);
omap_mux_init_signal("sdmmc_dat_dir2", 0);
omap_mux_init_signal("sdmmc_dat_dir3", 0);
}
/*
* Use internal loop-back in MMC/SDIO Module Input Clock
* selection
*/
if (mmc_controller->slots[0].internal_clock) {
u32 v = omap_ctrl_readl(OMAP2_CONTROL_DEVCONF0);
v |= (1 << 24);
omap_ctrl_writel(v, OMAP2_CONTROL_DEVCONF0);
}
}
void __init omap242x_init_mmc(struct omap_mmc_platform_data **mmc_data)
{
char *name = "mmci-omap";
if (!mmc_data[0]) {
pr_err("%s fails: Incomplete platform data\n", __func__);
return;
}
omap242x_mmc_mux(mmc_data[0]);
omap_mmc_add(name, 0, OMAP2_MMC1_BASE, OMAP2420_MMC_SIZE,
INT_24XX_MMC_IRQ, mmc_data[0]);
}
#endif
/*-------------------------------------------------------------------------*/
#if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE)
#if defined(CONFIG_SOC_OMAP2430) || defined(CONFIG_SOC_OMAP3430)
#define OMAP_HDQ_BASE 0x480B2000
#endif
static struct resource omap_hdq_resources[] = {
{
.start = OMAP_HDQ_BASE,
.end = OMAP_HDQ_BASE + 0x1C,
.flags = IORESOURCE_MEM,
},
{
.start = INT_24XX_HDQ_IRQ,
.flags = IORESOURCE_IRQ,
},
};
static struct platform_device omap_hdq_dev = {
.name = "omap_hdq",
.id = 0,
.dev = {
.platform_data = NULL,
},
.num_resources = ARRAY_SIZE(omap_hdq_resources),
.resource = omap_hdq_resources,
};
static inline void omap_hdq_init(void)
{
(void) platform_device_register(&omap_hdq_dev);
}
#else
static inline void omap_hdq_init(void) {}
#endif
/*---------------------------------------------------------------------------*/
#if defined(CONFIG_VIDEO_OMAP2_VOUT) || \
defined(CONFIG_VIDEO_OMAP2_VOUT_MODULE)
#if defined(CONFIG_FB_OMAP2) || defined(CONFIG_FB_OMAP2_MODULE)
static struct resource omap_vout_resource[3 - CONFIG_FB_OMAP2_NUM_FBS] = {
};
#else
static struct resource omap_vout_resource[2] = {
};
#endif
static struct platform_device omap_vout_device = {
.name = "omap_vout",
.num_resources = ARRAY_SIZE(omap_vout_resource),
.resource = &omap_vout_resource[0],
.id = -1,
};
static void omap_init_vout(void)
{
if (platform_device_register(&omap_vout_device) < 0)
printk(KERN_ERR "Unable to register OMAP-VOUT device\n");
}
#else
static inline void omap_init_vout(void) {}
#endif
/*-------------------------------------------------------------------------*/
static int __init omap2_init_devices(void)
{
/*
* please keep these calls, and their implementations above,
* in alphabetical order so they're easier to sort through.
*/
omap_init_audio();
omap_init_mcpdm();
omap_init_camera();
omap_init_mbox();
omap_init_mcspi();
omap_init_pmu();
omap_hdq_init();
omap_init_sti();
omap_init_sham();
omap_init_aes();
omap_init_vout();
return 0;
}
arch_initcall(omap2_init_devices);
#if defined(CONFIG_OMAP_WATCHDOG) || defined(CONFIG_OMAP_WATCHDOG_MODULE)
static int __init omap_init_wdt(void)
{
int id = -1;
struct platform_device *pdev;
struct omap_hwmod *oh;
char *oh_name = "wd_timer2";
char *dev_name = "omap_wdt";
if (!cpu_class_is_omap2())
return 0;
oh = omap_hwmod_lookup(oh_name);
if (!oh) {
pr_err("Could not look up wd_timer%d hwmod\n", id);
return -EINVAL;
}
pdev = omap_device_build(dev_name, id, oh, NULL, 0, NULL, 0, 0);
WARN(IS_ERR(pdev), "Can't build omap_device for %s:%s.\n",
dev_name, oh->name);
return 0;
}
subsys_initcall(omap_init_wdt);
#endif