diff options
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
| -rw-r--r-- | arch/arm/mach-omap2/devices.c | 578 |
1 files changed, 340 insertions, 238 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c index 90af2ac469a..b6f8f348296 100644 --- a/arch/arm/mach-omap2/devices.c +++ b/arch/arm/mach-omap2/devices.c @@ -8,338 +8,440 @@ * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. */ - -#include <linux/module.h> +#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 <linux/pinctrl/machine.h> +#include <linux/platform_data/mailbox-omap.h> -#include <mach/hardware.h> #include <asm/mach-types.h> #include <asm/mach/map.h> -#include <mach/tc.h> -#include <mach/board.h> -#include <mach/mux.h> -#include <mach/gpio.h> -#include <mach/eac.h> +#include <linux/omap-dma.h> + +#include "iomap.h" +#include "omap_hwmod.h" +#include "omap_device.h" + +#include "soc.h" +#include "common.h" +#include "mux.h" +#include "control.h" +#include "devices.h" +#include "display.h" + +#define L3_MODULES_MAX_LEN 12 +#define L3_MODULES 3 + +static int __init omap3_l3_init(void) +{ + 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; + + 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); -#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE) -#define OMAP2_MBOX_BASE IO_ADDRESS(OMAP24XX_MAILBOX_BASE) + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); + + return PTR_RET(pdev); +} +omap_postcore_initcall(omap3_l3_init); + +static int __init omap4_l3_init(void) +{ + int 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() && !soc_is_omap54xx()) + return -ENODEV; + + for (i = 0; i < L3_MODULES; i++) { + 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); + + WARN(IS_ERR(pdev), "could not build omap_device for %s\n", oh_name); + + return PTR_RET(pdev); +} +omap_postcore_initcall(omap4_l3_init); -static struct resource mbox_resources[] = { +#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE) + +static struct resource omap2cam_resources[] = { { - .start = OMAP2_MBOX_BASE, - .end = OMAP2_MBOX_BASE + 0x11f, + .start = OMAP24XX_CAMERA_BASE, + .end = OMAP24XX_CAMERA_BASE + 0xfff, .flags = IORESOURCE_MEM, }, { - .start = INT_24XX_MAIL_U0_MPU, - .flags = IORESOURCE_IRQ, - }, - { - .start = INT_24XX_MAIL_U3_MPU, + .start = 24 + OMAP_INTC_START, .flags = IORESOURCE_IRQ, - }, + } }; -static struct platform_device mbox_device = { - .name = "mailbox", +static struct platform_device omap2cam_device = { + .name = "omap24xxcam", .id = -1, - .num_resources = ARRAY_SIZE(mbox_resources), - .resource = mbox_resources, + .num_resources = ARRAY_SIZE(omap2cam_resources), + .resource = omap2cam_resources, }; - -static inline void omap_init_mbox(void) -{ - platform_device_register(&mbox_device); -} -#else -static inline void omap_init_mbox(void) { } #endif -#if defined(CONFIG_OMAP_STI) - -#if defined(CONFIG_ARCH_OMAP2) +#if defined(CONFIG_IOMMU_API) -#define OMAP2_STI_BASE 0x48068000 -#define OMAP2_STI_CHANNEL_BASE 0x54000000 -#define OMAP2_STI_IRQ 4 +#include <linux/platform_data/iommu-omap.h> -static struct resource sti_resources[] = { +static struct resource omap3isp_resources[] = { { - .start = OMAP2_STI_BASE, - .end = OMAP2_STI_BASE + 0x7ff, + .start = OMAP3430_ISP_BASE, + .end = OMAP3430_ISP_END, .flags = IORESOURCE_MEM, }, { - .start = OMAP2_STI_CHANNEL_BASE, - .end = OMAP2_STI_CHANNEL_BASE + SZ_64K - 1, + .start = OMAP3430_ISP_CCP2_BASE, + .end = OMAP3430_ISP_CCP2_END, .flags = IORESOURCE_MEM, }, { - .start = OMAP2_STI_IRQ, - .flags = IORESOURCE_IRQ, - } -}; -#elif defined(CONFIG_ARCH_OMAP3) - -#define OMAP3_SDTI_BASE 0x54500000 -#define OMAP3_SDTI_CHANNEL_BASE 0x54600000 - -static struct resource sti_resources[] = { + .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 = OMAP3_SDTI_BASE, - .end = OMAP3_SDTI_BASE + 0xFFF, + .start = OMAP3630_ISP_CSIPHY1_BASE, + .end = OMAP3630_ISP_CSIPHY1_END, .flags = IORESOURCE_MEM, }, { - .start = OMAP3_SDTI_CHANNEL_BASE, - .end = OMAP3_SDTI_CHANNEL_BASE + SZ_1M - 1, + .start = OMAP3630_ISP_CSI2C_REGS2_BASE, + .end = OMAP3630_ISP_CSI2C_REGS2_END, .flags = IORESOURCE_MEM, + }, + { + .start = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE, + .end = OMAP343X_CTRL_BASE + OMAP343X_CONTROL_CSIRXFE + 3, + .flags = IORESOURCE_MEM, + }, + { + .start = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL, + .end = OMAP343X_CTRL_BASE + OMAP3630_CONTROL_CAMERA_PHY_CTRL + 3, + .flags = IORESOURCE_MEM, + }, + { + .start = 24 + OMAP_INTC_START, + .flags = IORESOURCE_IRQ, } }; -#endif - -static struct platform_device sti_device = { - .name = "sti", +static struct platform_device omap3isp_device = { + .name = "omap3isp", .id = -1, - .num_resources = ARRAY_SIZE(sti_resources), - .resource = sti_resources, + .num_resources = ARRAY_SIZE(omap3isp_resources), + .resource = omap3isp_resources, +}; + +static struct omap_iommu_arch_data omap3_isp_iommu = { + .name = "mmu_isp", }; -static inline void omap_init_sti(void) +int omap3_init_camera(struct isp_platform_data *pdata) { - platform_device_register(&sti_device); -} -#else -static inline void omap_init_sti(void) {} -#endif + if (of_have_populated_dt()) + omap3_isp_iommu.name = "480bd400.mmu"; -#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) + omap3isp_device.dev.platform_data = pdata; + omap3isp_device.dev.archdata.iommu = &omap3_isp_iommu; -#include <mach/mcspi.h> + return platform_device_register(&omap3isp_device); +} -#define OMAP2_MCSPI1_BASE 0x48098000 -#define OMAP2_MCSPI2_BASE 0x4809a000 -#define OMAP2_MCSPI3_BASE 0x480b8000 -#define OMAP2_MCSPI4_BASE 0x480ba000 +#else /* !CONFIG_IOMMU_API */ -static struct omap2_mcspi_platform_config omap2_mcspi1_config = { - .num_cs = 4, -}; +int omap3_init_camera(struct isp_platform_data *pdata) +{ + return 0; +} -static struct resource omap2_mcspi1_resources[] = { - { - .start = OMAP2_MCSPI1_BASE, - .end = OMAP2_MCSPI1_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, -}; +#endif -static struct platform_device omap2_mcspi1 = { - .name = "omap2_mcspi", - .id = 1, - .num_resources = ARRAY_SIZE(omap2_mcspi1_resources), - .resource = omap2_mcspi1_resources, - .dev = { - .platform_data = &omap2_mcspi1_config, - }, -}; +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 +} -static struct omap2_mcspi_platform_config omap2_mcspi2_config = { - .num_cs = 2, -}; +#if defined(CONFIG_OMAP2PLUS_MBOX) || defined(CONFIG_OMAP2PLUS_MBOX_MODULE) +static inline void __init omap_init_mbox(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; + struct omap_mbox_pdata *pdata; + + oh = omap_hwmod_lookup("mailbox"); + if (!oh) { + pr_err("%s: unable to find hwmod\n", __func__); + return; + } + if (!oh->dev_attr) { + pr_err("%s: hwmod doesn't have valid attrs\n", __func__); + return; + } -static struct resource omap2_mcspi2_resources[] = { - { - .start = OMAP2_MCSPI2_BASE, - .end = OMAP2_MCSPI2_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, -}; + pdata = (struct omap_mbox_pdata *)oh->dev_attr; + pdev = omap_device_build("omap-mailbox", -1, oh, pdata, sizeof(*pdata)); + 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_OMAP2PLUS_MBOX */ -static struct platform_device omap2_mcspi2 = { - .name = "omap2_mcspi", - .id = 2, - .num_resources = ARRAY_SIZE(omap2_mcspi2_resources), - .resource = omap2_mcspi2_resources, - .dev = { - .platform_data = &omap2_mcspi2_config, - }, -}; +static inline void omap_init_sti(void) {} -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) -static struct omap2_mcspi_platform_config omap2_mcspi3_config = { - .num_cs = 2, -}; +#if defined(CONFIG_SND_SOC) || defined(CONFIG_SND_SOC_MODULE) -static struct resource omap2_mcspi3_resources[] = { - { - .start = OMAP2_MCSPI3_BASE, - .end = OMAP2_MCSPI3_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, +static struct platform_device omap_pcm = { + .name = "omap-pcm-audio", + .id = -1, }; -static struct platform_device omap2_mcspi3 = { - .name = "omap2_mcspi", - .id = 3, - .num_resources = ARRAY_SIZE(omap2_mcspi3_resources), - .resource = omap2_mcspi3_resources, - .dev = { - .platform_data = &omap2_mcspi3_config, - }, -}; +static void omap_init_audio(void) +{ + platform_device_register(&omap_pcm); +} + +#else +static inline void omap_init_audio(void) {} #endif -#ifdef CONFIG_ARCH_OMAP3 -static struct omap2_mcspi_platform_config omap2_mcspi4_config = { - .num_cs = 1, -}; +#if defined(CONFIG_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE) -static struct resource omap2_mcspi4_resources[] = { - { - .start = OMAP2_MCSPI4_BASE, - .end = OMAP2_MCSPI4_BASE + 0xff, - .flags = IORESOURCE_MEM, - }, -}; +#include <linux/platform_data/spi-omap2-mcspi.h> -static struct platform_device omap2_mcspi4 = { - .name = "omap2_mcspi", - .id = 4, - .num_resources = ARRAY_SIZE(omap2_mcspi4_resources), - .resource = omap2_mcspi4_resources, - .dev = { - .platform_data = &omap2_mcspi4_config, - }, -}; -#endif +static int __init 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"); + kfree(pdata); + return -EINVAL; + } + + spi_num++; + pdev = omap_device_build(name, spi_num, oh, pdata, sizeof(*pdata)); + 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) { - platform_device_register(&omap2_mcspi1); - platform_device_register(&omap2_mcspi2); -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_OMAP3) - platform_device_register(&omap2_mcspi3); -#endif -#ifdef CONFIG_ARCH_OMAP3 - platform_device_register(&omap2_mcspi4); -#endif + omap_hwmod_for_each_by_class("mcspi", omap_mcspi_init, NULL); } #else static inline void omap_init_mcspi(void) {} #endif -#ifdef CONFIG_SND_OMAP24XX_EAC - -#define OMAP2_EAC_BASE 0x48090000 - -static struct resource omap2_eac_resources[] = { - { - .start = OMAP2_EAC_BASE, - .end = OMAP2_EAC_BASE + 0x109, - .flags = IORESOURCE_MEM, - }, -}; +/** + * omap_init_rng - bind the RNG hwmod to the RNG omap_device + * + * Bind the RNG hwmod to the RNG omap_device. No return value. + */ +static void omap_init_rng(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; -static struct platform_device omap2_eac_device = { - .name = "omap24xx-eac", - .id = -1, - .num_resources = ARRAY_SIZE(omap2_eac_resources), - .resource = omap2_eac_resources, - .dev = { - .platform_data = NULL, - }, -}; + oh = omap_hwmod_lookup("rng"); + if (!oh) + return; -void omap_init_eac(struct eac_platform_data *pdata) -{ - omap2_eac_device.dev.platform_data = pdata; - platform_device_register(&omap2_eac_device); + pdev = omap_device_build("omap_rng", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap_rng\n"); } -#else -void omap_init_eac(struct eac_platform_data *pdata) {} -#endif +static void __init omap_init_sham(void) +{ + struct omap_hwmod *oh; + struct platform_device *pdev; -#ifdef CONFIG_OMAP_SHA1_MD5 -static struct resource sha1_md5_resources[] = { - { - .start = OMAP24XX_SEC_SHA1MD5_BASE, - .end = OMAP24XX_SEC_SHA1MD5_BASE + 0x64, - .flags = IORESOURCE_MEM, - }, - { - .start = INT_24XX_SHA1MD5, - .flags = IORESOURCE_IRQ, - } -}; + oh = omap_hwmod_lookup("sham"); + if (!oh) + return; -static struct platform_device sha1_md5_device = { - .name = "OMAP SHA1/MD5", - .id = -1, - .num_resources = ARRAY_SIZE(sha1_md5_resources), - .resource = sha1_md5_resources, -}; + pdev = omap_device_build("omap-sham", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-sham\n"); +} -static void omap_init_sha1_md5(void) +static void __init omap_init_aes(void) { - platform_device_register(&sha1_md5_device); + struct omap_hwmod *oh; + struct platform_device *pdev; + + oh = omap_hwmod_lookup("aes"); + if (!oh) + return; + + pdev = omap_device_build("omap-aes", -1, oh, NULL, 0); + WARN(IS_ERR(pdev), "Can't build omap_device for omap-aes\n"); } + +/*-------------------------------------------------------------------------*/ + +#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 inline void omap_init_sha1_md5(void) { } +static struct resource omap_vout_resource[2] = { +}; #endif -#if defined(CONFIG_HDQ_MASTER_OMAP) || defined(CONFIG_HDQ_MASTER_OMAP_MODULE) -#if defined(CONFIG_ARCH_OMAP2430) || defined(CONFIG_ARCH_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 struct platform_device omap_vout_device = { + .name = "omap_vout", + .num_resources = ARRAY_SIZE(omap_vout_resource), + .resource = &omap_vout_resource[0], + .id = -1, }; -static inline void omap_hdq_init(void) + +int __init omap_init_vout(void) { - (void) platform_device_register(&omap_hdq_dev); + return platform_device_register(&omap_vout_device); } #else -static inline void omap_hdq_init(void) {} +int __init omap_init_vout(void) { return 0; } #endif /*-------------------------------------------------------------------------*/ static int __init omap2_init_devices(void) { - /* please keep these calls, and their implementations above, + /* Enable dummy states for those platforms without pinctrl support */ + if (!of_have_populated_dt()) + pinctrl_provide_dummies(); + + /* + * please keep these calls, and their implementations above, * in alphabetical order so they're easier to sort through. */ + omap_init_audio(); + omap_init_camera(); omap_init_mbox(); - omap_init_mcspi(); - omap_hdq_init(); + /* If dtb is there, the devices will be created dynamically */ + if (!of_have_populated_dt()) { + omap_init_mcspi(); + omap_init_sham(); + omap_init_aes(); + omap_init_rng(); + } omap_init_sti(); - omap_init_sha1_md5(); return 0; } -arch_initcall(omap2_init_devices); +omap_arch_initcall(omap2_init_devices); |