summaryrefslogtreecommitdiff
path: root/arch/arm/mach-omap2/devices.c
diff options
context:
space:
mode:
Diffstat (limited to 'arch/arm/mach-omap2/devices.c')
-rw-r--r--arch/arm/mach-omap2/devices.c237
1 files changed, 223 insertions, 14 deletions
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index 2dbb265bedd4..5a0c148e23bc 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -9,12 +9,12 @@
* (at your option) any later version.
*/
-#include <linux/module.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 <mach/hardware.h>
#include <mach/irqs.h>
@@ -22,14 +22,17 @@
#include <asm/mach/map.h>
#include <asm/pmu.h>
-#include <plat/control.h>
#include <plat/tc.h>
#include <plat/board.h>
+#include <plat/mcbsp.h>
#include <mach/gpio.h>
#include <plat/mmc.h>
#include <plat/dma.h>
+#include <plat/omap_hwmod.h>
+#include <plat/omap_device.h>
#include "mux.h"
+#include "control.h"
#if defined(CONFIG_VIDEO_OMAP2) || defined(CONFIG_VIDEO_OMAP2_MODULE)
@@ -235,6 +238,43 @@ static inline void omap_init_mbox(void) { }
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_SPI_OMAP24XX) || defined(CONFIG_SPI_OMAP24XX_MODULE)
#include <plat/mcspi.h>
@@ -498,6 +538,76 @@ static void omap_init_sham(void)
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_ARCH_OMAP3) || defined(CONFIG_ARCH_OMAP4)
@@ -624,7 +734,7 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
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].wires == 4) {
+ 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);
@@ -652,8 +762,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("sdmmc1_dat0",
OMAP_PIN_INPUT_PULLUP);
- if (mmc_controller->slots[0].wires == 4 ||
- mmc_controller->slots[0].wires == 8) {
+ if (mmc_controller->slots[0].caps &
+ (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
omap_mux_init_signal("sdmmc1_dat1",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("sdmmc1_dat2",
@@ -661,7 +771,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_mux_init_signal("sdmmc1_dat3",
OMAP_PIN_INPUT_PULLUP);
}
- if (mmc_controller->slots[0].wires == 8) {
+ if (mmc_controller->slots[0].caps &
+ MMC_CAP_8_BIT_DATA) {
omap_mux_init_signal("sdmmc1_dat4",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("sdmmc1_dat5",
@@ -685,8 +796,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
* For 8 wire configurations, Lines DAT4, 5, 6 and 7 need to be muxed
* in the board-*.c files
*/
- if (mmc_controller->slots[0].wires == 4 ||
- mmc_controller->slots[0].wires == 8) {
+ if (mmc_controller->slots[0].caps &
+ (MMC_CAP_4_BIT_DATA | MMC_CAP_8_BIT_DATA)) {
omap_mux_init_signal("sdmmc2_dat1",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("sdmmc2_dat2",
@@ -694,7 +805,8 @@ static inline void omap2_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
omap_mux_init_signal("sdmmc2_dat3",
OMAP_PIN_INPUT_PULLUP);
}
- if (mmc_controller->slots[0].wires == 8) {
+ if (mmc_controller->slots[0].caps &
+ MMC_CAP_8_BIT_DATA) {
omap_mux_init_signal("sdmmc2_dat4.sdmmc2_dat4",
OMAP_PIN_INPUT_PULLUP);
omap_mux_init_signal("sdmmc2_dat5.sdmmc2_dat5",
@@ -745,13 +857,13 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
case 3:
if (!cpu_is_omap44xx())
return;
- base = OMAP4_MMC4_BASE + OMAP4_MMC_REG_OFFSET;
+ base = OMAP4_MMC4_BASE;
irq = OMAP44XX_IRQ_MMC4;
break;
case 4:
if (!cpu_is_omap44xx())
return;
- base = OMAP4_MMC5_BASE + OMAP4_MMC_REG_OFFSET;
+ base = OMAP4_MMC5_BASE;
irq = OMAP44XX_IRQ_MMC5;
break;
default:
@@ -762,10 +874,8 @@ void __init omap2_init_mmc(struct omap_mmc_platform_data **mmc_data,
size = OMAP2420_MMC_SIZE;
name = "mmci-omap";
} else if (cpu_is_omap44xx()) {
- if (i < 3) {
- base += OMAP4_MMC_REG_OFFSET;
+ if (i < 3)
irq += OMAP44XX_IRQ_GIC_START;
- }
size = OMAP4_HSMMC_SIZE;
name = "mmci-omap-hs";
} else {
@@ -841,12 +951,74 @@ static inline void omap_init_vout(void) {}
/*-------------------------------------------------------------------------*/
+/*
+ * Inorder to avoid any assumptions from bootloader regarding WDT
+ * settings, WDT module is reset during init. This enables the watchdog
+ * timer. Hence it is required to disable the watchdog after the WDT reset
+ * during init. Otherwise the system would reboot as per the default
+ * watchdog timer registers settings.
+ */
+#define OMAP_WDT_WPS (0x34)
+#define OMAP_WDT_SPR (0x48)
+
+static int omap2_disable_wdt(struct omap_hwmod *oh, void *unused)
+{
+ void __iomem *base;
+ int ret;
+
+ if (!oh) {
+ pr_err("%s: Could not look up wdtimer_hwmod\n", __func__);
+ return -EINVAL;
+ }
+
+ base = omap_hwmod_get_mpu_rt_va(oh);
+ if (!base) {
+ pr_err("%s: Could not get the base address for %s\n",
+ oh->name, __func__);
+ return -EINVAL;
+ }
+
+ /* Enable the clocks before accessing the WDT registers */
+ ret = omap_hwmod_enable(oh);
+ if (ret) {
+ pr_err("%s: Could not enable clocks for %s\n",
+ oh->name, __func__);
+ return ret;
+ }
+
+ /* sequence required to disable watchdog */
+ __raw_writel(0xAAAA, base + OMAP_WDT_SPR);
+ while (__raw_readl(base + OMAP_WDT_WPS) & 0x10)
+ cpu_relax();
+
+ __raw_writel(0x5555, base + OMAP_WDT_SPR);
+ while (__raw_readl(base + OMAP_WDT_WPS) & 0x10)
+ cpu_relax();
+
+ ret = omap_hwmod_idle(oh);
+ if (ret)
+ pr_err("%s: Could not disable clocks for %s\n",
+ oh->name, __func__);
+
+ return ret;
+}
+
+static void __init omap_disable_wdt(void)
+{
+ if (cpu_class_is_omap2())
+ omap_hwmod_for_each_by_class("wd_timer",
+ omap2_disable_wdt, NULL);
+ return;
+}
+
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_disable_wdt();
omap_hsmmc_reset();
+ omap_init_audio();
omap_init_camera();
omap_init_mbox();
omap_init_mcspi();
@@ -854,8 +1026,45 @@ static int __init omap2_init_devices(void)
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)
+struct omap_device_pm_latency omap_wdt_latency[] = {
+ [0] = {
+ .deactivate_func = omap_device_idle_hwmods,
+ .activate_func = omap_device_enable_hwmods,
+ .flags = OMAP_DEVICE_LATENCY_AUTO_ADJUST,
+ },
+};
+
+static int __init omap_init_wdt(void)
+{
+ int id = -1;
+ struct omap_device *od;
+ 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;
+ }
+
+ od = omap_device_build(dev_name, id, oh, NULL, 0,
+ omap_wdt_latency,
+ ARRAY_SIZE(omap_wdt_latency), 0);
+ WARN(IS_ERR(od), "Cant build omap_device for %s:%s.\n",
+ dev_name, oh->name);
+ return 0;
+}
+subsys_initcall(omap_init_wdt);
+#endif
generated by cgit v1.2.3 (git 2.39.0) at 2024-12-04 16:23:17 +0300