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-rw-r--r--arch/arm/plat-omap/Kconfig13
-rw-r--r--arch/arm/plat-omap/Makefile5
-rw-r--r--arch/arm/plat-omap/clock.c37
-rw-r--r--arch/arm/plat-omap/common.c8
-rw-r--r--arch/arm/plat-omap/debug-leds.c314
-rw-r--r--arch/arm/plat-omap/devices.c74
-rw-r--r--arch/arm/plat-omap/dma.c25
-rw-r--r--arch/arm/plat-omap/dmtimer.c2
-rw-r--r--arch/arm/plat-omap/fb.c305
-rw-r--r--arch/arm/plat-omap/gpio.c3
-rw-r--r--arch/arm/plat-omap/mailbox.c509
-rw-r--r--arch/arm/plat-omap/mailbox.h100
-rw-r--r--arch/arm/plat-omap/sram.c56
-rw-r--r--arch/arm/plat-omap/usb.c199
14 files changed, 1532 insertions, 118 deletions
diff --git a/arch/arm/plat-omap/Kconfig b/arch/arm/plat-omap/Kconfig
index 9e8d21eca4e..cfc69f3842f 100644
--- a/arch/arm/plat-omap/Kconfig
+++ b/arch/arm/plat-omap/Kconfig
@@ -20,6 +20,11 @@ endchoice
comment "OMAP Feature Selections"
+config OMAP_DEBUG_LEDS
+ bool
+ help
+ For debug card leds on TI reference boards.
+
config OMAP_RESET_CLOCKS
bool "Reset unused clocks during boot"
depends on ARCH_OMAP
@@ -58,6 +63,14 @@ config OMAP_MUX_WARNINGS
to change the pin multiplexing setup. When there are no warnings
printed, it's safe to deselect OMAP_MUX for your product.
+config OMAP_MCBSP
+ bool "McBSP support"
+ depends on ARCH_OMAP
+ default y
+ help
+ Say Y here if you want support for the OMAP Multichannel
+ Buffered Serial Port.
+
choice
prompt "System timer"
default OMAP_MPU_TIMER
diff --git a/arch/arm/plat-omap/Makefile b/arch/arm/plat-omap/Makefile
index 2896b454641..41a3c1cf3bd 100644
--- a/arch/arm/plat-omap/Makefile
+++ b/arch/arm/plat-omap/Makefile
@@ -3,7 +3,8 @@
#
# Common support
-obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o mcbsp.o usb.o fb.o
+obj-y := common.o sram.o sram-fn.o clock.o devices.o dma.o mux.o gpio.o \
+ usb.o fb.o
obj-m :=
obj-n :=
obj- :=
@@ -16,4 +17,4 @@ obj-$(CONFIG_ARCH_OMAP16XX) += ocpi.o
obj-$(CONFIG_CPU_FREQ) += cpu-omap.o
obj-$(CONFIG_OMAP_DM_TIMER) += dmtimer.o
-
+obj-$(CONFIG_OMAP_DEBUG_LEDS) += debug-leds.o
diff --git a/arch/arm/plat-omap/clock.c b/arch/arm/plat-omap/clock.c
index f1179ad4be1..0a603242f36 100644
--- a/arch/arm/plat-omap/clock.c
+++ b/arch/arm/plat-omap/clock.c
@@ -33,6 +33,41 @@ static DEFINE_SPINLOCK(clockfw_lock);
static struct clk_functions *arch_clock;
+#ifdef CONFIG_PM_DEBUG
+
+static void print_parents(struct clk *clk)
+{
+ struct clk *p;
+ int printed = 0;
+
+ list_for_each_entry(p, &clocks, node) {
+ if (p->parent == clk && p->usecount) {
+ if (!clk->usecount && !printed) {
+ printk("MISMATCH: %s\n", clk->name);
+ printed = 1;
+ }
+ printk("\t%-15s\n", p->name);
+ }
+ }
+}
+
+void clk_print_usecounts(void)
+{
+ unsigned long flags;
+ struct clk *p;
+
+ spin_lock_irqsave(&clockfw_lock, flags);
+ list_for_each_entry(p, &clocks, node) {
+ if (p->usecount)
+ printk("%-15s: %d\n", p->name, p->usecount);
+ print_parents(p);
+
+ }
+ spin_unlock_irqrestore(&clockfw_lock, flags);
+}
+
+#endif
+
/*-------------------------------------------------------------------------
* Standard clock functions defined in include/linux/clk.h
*-------------------------------------------------------------------------*/
@@ -249,6 +284,8 @@ void followparent_recalc(struct clk *clk)
return;
clk->rate = clk->parent->rate;
+ if (unlikely(clk->flags & RATE_PROPAGATES))
+ propagate_rate(clk);
}
/* Propagate rate to children */
diff --git a/arch/arm/plat-omap/common.c b/arch/arm/plat-omap/common.c
index fecd3d62599..dd8708ad0a7 100644
--- a/arch/arm/plat-omap/common.c
+++ b/arch/arm/plat-omap/common.c
@@ -93,8 +93,12 @@ static const void *get_config(u16 tag, size_t len, int skip, size_t *len_out)
* in the kernel. */
for (i = 0; i < omap_board_config_size; i++) {
if (omap_board_config[i].tag == tag) {
- kinfo = &omap_board_config[i];
- break;
+ if (skip == 0) {
+ kinfo = &omap_board_config[i];
+ break;
+ } else {
+ skip--;
+ }
}
}
if (kinfo == NULL)
diff --git a/arch/arm/plat-omap/debug-leds.c b/arch/arm/plat-omap/debug-leds.c
new file mode 100644
index 00000000000..9128a80d228
--- /dev/null
+++ b/arch/arm/plat-omap/debug-leds.c
@@ -0,0 +1,314 @@
+/*
+ * linux/arch/arm/plat-omap/debug-leds.c
+ *
+ * Copyright 2003 by Texas Instruments Incorporated
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#include <linux/init.h>
+#include <linux/platform_device.h>
+#include <linux/leds.h>
+
+#include <asm/io.h>
+#include <asm/hardware.h>
+#include <asm/leds.h>
+#include <asm/system.h>
+#include <asm/mach-types.h>
+
+#include <asm/arch/fpga.h>
+#include <asm/arch/gpio.h>
+
+
+/* Many OMAP development platforms reuse the same "debug board"; these
+ * platforms include H2, H3, H4, and Perseus2. There are 16 LEDs on the
+ * debug board (all green), accessed through FPGA registers.
+ *
+ * The "surfer" expansion board and H2 sample board also have two-color
+ * green+red LEDs (in parallel), used here for timer and idle indicators
+ * in preference to the ones on the debug board, for a "Disco LED" effect.
+ *
+ * This driver exports either the original ARM LED API, the new generic
+ * one, or both.
+ */
+
+static spinlock_t lock;
+static struct h2p2_dbg_fpga __iomem *fpga;
+static u16 led_state, hw_led_state;
+
+
+#ifdef CONFIG_LEDS_OMAP_DEBUG
+#define new_led_api() 1
+#else
+#define new_led_api() 0
+#endif
+
+
+/*-------------------------------------------------------------------------*/
+
+/* original ARM debug LED API:
+ * - timer and idle leds (some boards use non-FPGA leds here);
+ * - up to 4 generic leds, easily accessed in-kernel (any context)
+ */
+
+#define GPIO_LED_RED 3
+#define GPIO_LED_GREEN OMAP_MPUIO(4)
+
+#define LED_STATE_ENABLED 0x01
+#define LED_STATE_CLAIMED 0x02
+#define LED_TIMER_ON 0x04
+
+#define GPIO_IDLE GPIO_LED_GREEN
+#define GPIO_TIMER GPIO_LED_RED
+
+static void h2p2_dbg_leds_event(led_event_t evt)
+{
+ unsigned long flags;
+
+ spin_lock_irqsave(&lock, flags);
+
+ if (!(led_state & LED_STATE_ENABLED) && evt != led_start)
+ goto done;
+
+ switch (evt) {
+ case led_start:
+ if (fpga)
+ led_state |= LED_STATE_ENABLED;
+ break;
+
+ case led_stop:
+ case led_halted:
+ /* all leds off during suspend or shutdown */
+
+ if (!(machine_is_omap_perseus2() || machine_is_omap_h4())) {
+ omap_set_gpio_dataout(GPIO_TIMER, 0);
+ omap_set_gpio_dataout(GPIO_IDLE, 0);
+ }
+
+ __raw_writew(~0, &fpga->leds);
+ led_state &= ~LED_STATE_ENABLED;
+ goto done;
+
+ case led_claim:
+ led_state |= LED_STATE_CLAIMED;
+ hw_led_state = 0;
+ break;
+
+ case led_release:
+ led_state &= ~LED_STATE_CLAIMED;
+ break;
+
+#ifdef CONFIG_LEDS_TIMER
+ case led_timer:
+ led_state ^= LED_TIMER_ON;
+
+ if (machine_is_omap_perseus2() || machine_is_omap_h4())
+ hw_led_state ^= H2P2_DBG_FPGA_P2_LED_TIMER;
+ else {
+ omap_set_gpio_dataout(GPIO_TIMER,
+ led_state & LED_TIMER_ON);
+ goto done;
+ }
+
+ break;
+#endif
+
+#ifdef CONFIG_LEDS_CPU
+ /* LED lit iff busy */
+ case led_idle_start:
+ if (machine_is_omap_perseus2() || machine_is_omap_h4())
+ hw_led_state &= ~H2P2_DBG_FPGA_P2_LED_IDLE;
+ else {
+ omap_set_gpio_dataout(GPIO_IDLE, 1);
+ goto done;
+ }
+
+ break;
+
+ case led_idle_end:
+ if (machine_is_omap_perseus2() || machine_is_omap_h4())
+ hw_led_state |= H2P2_DBG_FPGA_P2_LED_IDLE;
+ else {
+ omap_set_gpio_dataout(GPIO_IDLE, 0);
+ goto done;
+ }
+
+ break;
+#endif
+
+ case led_green_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_GREEN;
+ break;
+ case led_green_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_GREEN;
+ break;
+
+ case led_amber_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_AMBER;
+ break;
+ case led_amber_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_AMBER;
+ break;
+
+ case led_red_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_RED;
+ break;
+ case led_red_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_RED;
+ break;
+
+ case led_blue_on:
+ hw_led_state |= H2P2_DBG_FPGA_LED_BLUE;
+ break;
+ case led_blue_off:
+ hw_led_state &= ~H2P2_DBG_FPGA_LED_BLUE;
+ break;
+
+ default:
+ break;
+ }
+
+
+ /*
+ * Actually burn the LEDs
+ */
+ if (led_state & LED_STATE_ENABLED)
+ __raw_writew(~hw_led_state, &fpga->leds);
+
+done:
+ spin_unlock_irqrestore(&lock, flags);
+}
+
+/*-------------------------------------------------------------------------*/
+
+/* "new" LED API
+ * - with syfs access and generic triggering
+ * - not readily accessible to in-kernel drivers
+ */
+
+struct dbg_led {
+ struct led_classdev cdev;
+ u16 mask;
+};
+
+static struct dbg_led dbg_leds[] = {
+ /* REVISIT at least H2 uses different timer & cpu leds... */
+#ifndef CONFIG_LEDS_TIMER
+ { .mask = 1 << 0, .cdev.name = "d4:green",
+ .cdev.default_trigger = "heartbeat", },
+#endif
+#ifndef CONFIG_LEDS_CPU
+ { .mask = 1 << 1, .cdev.name = "d5:green", }, /* !idle */
+#endif
+ { .mask = 1 << 2, .cdev.name = "d6:green", },
+ { .mask = 1 << 3, .cdev.name = "d7:green", },
+
+ { .mask = 1 << 4, .cdev.name = "d8:green", },
+ { .mask = 1 << 5, .cdev.name = "d9:green", },
+ { .mask = 1 << 6, .cdev.name = "d10:green", },
+ { .mask = 1 << 7, .cdev.name = "d11:green", },
+
+ { .mask = 1 << 8, .cdev.name = "d12:green", },
+ { .mask = 1 << 9, .cdev.name = "d13:green", },
+ { .mask = 1 << 10, .cdev.name = "d14:green", },
+ { .mask = 1 << 11, .cdev.name = "d15:green", },
+
+#ifndef CONFIG_LEDS
+ { .mask = 1 << 12, .cdev.name = "d16:green", },
+ { .mask = 1 << 13, .cdev.name = "d17:green", },
+ { .mask = 1 << 14, .cdev.name = "d18:green", },
+ { .mask = 1 << 15, .cdev.name = "d19:green", },
+#endif
+};
+
+static void
+fpga_led_set(struct led_classdev *cdev, enum led_brightness value)
+{
+ struct dbg_led *led = container_of(cdev, struct dbg_led, cdev);
+ unsigned long flags;
+
+ spin_lock_irqsave(&lock, flags);
+ if (value == LED_OFF)
+ hw_led_state &= ~led->mask;
+ else
+ hw_led_state |= led->mask;
+ __raw_writew(~hw_led_state, &fpga->leds);
+ spin_unlock_irqrestore(&lock, flags);
+}
+
+static void __init newled_init(struct device *dev)
+{
+ unsigned i;
+ struct dbg_led *led;
+ int status;
+
+ for (i = 0, led = dbg_leds; i < ARRAY_SIZE(dbg_leds); i++, led++) {
+ led->cdev.brightness_set = fpga_led_set;
+ status = led_classdev_register(dev, &led->cdev);
+ if (status < 0)
+ break;
+ }
+ return;
+}
+
+
+/*-------------------------------------------------------------------------*/
+
+static int /* __init */ fpga_probe(struct platform_device *pdev)
+{
+ struct resource *iomem;
+
+ spin_lock_init(&lock);
+
+ iomem = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!iomem)
+ return -ENODEV;
+
+ fpga = ioremap(iomem->start, H2P2_DBG_FPGA_SIZE);
+ __raw_writew(~0, &fpga->leds);
+
+#ifdef CONFIG_LEDS
+ leds_event = h2p2_dbg_leds_event;
+ leds_event(led_start);
+#endif
+
+ if (new_led_api()) {
+ newled_init(&pdev->dev);
+ }
+
+ return 0;
+}
+
+static int fpga_suspend_late(struct platform_device *pdev, pm_message_t mesg)
+{
+ __raw_writew(~0, &fpga->leds);
+ return 0;
+}
+
+static int fpga_resume_early(struct platform_device *pdev)
+{
+ __raw_writew(~hw_led_state, &fpga->leds);
+ return 0;
+}
+
+
+static struct platform_driver led_driver = {
+ .driver.name = "omap_dbg_led",
+ .probe = fpga_probe,
+ .suspend_late = fpga_suspend_late,
+ .resume_early = fpga_resume_early,
+};
+
+static int __init fpga_init(void)
+{
+ if (machine_is_omap_h4()
+ || machine_is_omap_h3()
+ || machine_is_omap_h2()
+ || machine_is_omap_perseus2()
+ )
+ return platform_driver_register(&led_driver);
+ return 0;
+}
+fs_initcall(fpga_init);
diff --git a/arch/arm/plat-omap/devices.c b/arch/arm/plat-omap/devices.c
index eeb33fed6f7..c5dab1d6417 100644
--- a/arch/arm/plat-omap/devices.c
+++ b/arch/arm/plat-omap/devices.c
@@ -25,7 +25,71 @@
#include <asm/arch/gpio.h>
#include <asm/arch/menelaus.h>
-#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
+#if defined(CONFIG_OMAP_DSP) || defined(CONFIG_OMAP_DSP_MODULE)
+
+#include "../plat-omap/dsp/dsp_common.h"
+
+static struct dsp_platform_data dsp_pdata = {
+ .kdev_list = LIST_HEAD_INIT(dsp_pdata.kdev_list),
+};
+
+static struct resource omap_dsp_resources[] = {
+ {
+ .name = "dsp_mmu",
+ .start = -1,
+ .flags = IORESOURCE_IRQ,
+ },
+};
+
+static struct platform_device omap_dsp_device = {
+ .name = "dsp",
+ .id = -1,
+ .num_resources = ARRAY_SIZE(omap_dsp_resources),
+ .resource = omap_dsp_resources,
+ .dev = {
+ .platform_data = &dsp_pdata,
+ },
+};
+
+static inline void omap_init_dsp(void)
+{
+ struct resource *res;
+ int irq;
+
+ if (cpu_is_omap15xx())
+ irq = INT_1510_DSP_MMU;
+ else if (cpu_is_omap16xx())
+ irq = INT_1610_DSP_MMU;
+ else if (cpu_is_omap24xx())
+ irq = INT_24XX_DSP_MMU;
+
+ res = platform_get_resource_byname(&omap_dsp_device,
+ IORESOURCE_IRQ, "dsp_mmu");
+ res->start = irq;
+
+ platform_device_register(&omap_dsp_device);
+}
+
+int dsp_kfunc_device_register(struct dsp_kfunc_device *kdev)
+{
+ static DEFINE_MUTEX(dsp_pdata_lock);
+
+ mutex_init(&kdev->lock);
+
+ mutex_lock(&dsp_pdata_lock);
+ list_add_tail(&kdev->entry, &dsp_pdata.kdev_list);
+ mutex_unlock(&dsp_pdata_lock);
+
+ return 0;
+}
+EXPORT_SYMBOL(dsp_kfunc_device_register);
+
+#else
+static inline void omap_init_dsp(void) { }
+#endif /* CONFIG_OMAP_DSP */
+
+/*-------------------------------------------------------------------------*/
+#if defined(CONFIG_I2C_OMAP) || defined(CONFIG_I2C_OMAP_MODULE)
#define OMAP1_I2C_BASE 0xfffb3800
#define OMAP2_I2C_BASE1 0x48070000
@@ -48,8 +112,8 @@ static struct resource i2c_resources1[] = {
/* DMA not used; works around erratum writing to non-empty i2c fifo */
static struct platform_device omap_i2c_device1 = {
- .name = "i2c_omap",
- .id = 1,
+ .name = "i2c_omap",
+ .id = 1,
.num_resources = ARRAY_SIZE(i2c_resources1),
.resource = i2c_resources1,
};
@@ -376,7 +440,7 @@ static inline void omap_init_wdt(void) {}
/*-------------------------------------------------------------------------*/
-#if defined(CONFIG_OMAP_RNG) || defined(CONFIG_OMAP_RNG_MODULE)
+#if defined(CONFIG_HW_RANDOM_OMAP) || defined(CONFIG_HW_RANDOM_OMAP_MODULE)
#ifdef CONFIG_ARCH_OMAP24XX
#define OMAP_RNG_BASE 0x480A0000
@@ -436,6 +500,7 @@ static int __init omap_init_devices(void)
/* please keep these calls, and their implementations above,
* in alphabetical order so they're easier to sort through.
*/
+ omap_init_dsp();
omap_init_i2c();
omap_init_kp();
omap_init_mmc();
@@ -446,4 +511,3 @@ static int __init omap_init_devices(void)
return 0;
}
arch_initcall(omap_init_devices);
-
diff --git a/arch/arm/plat-omap/dma.c b/arch/arm/plat-omap/dma.c
index f3f84fbf8b8..2d86b106ff3 100644
--- a/arch/arm/plat-omap/dma.c
+++ b/arch/arm/plat-omap/dma.c
@@ -925,10 +925,17 @@ static int omap2_dma_handle_ch(int ch)
{
u32 status = OMAP_DMA_CSR_REG(ch);
- if (!status)
+ if (!status) {
+ if (printk_ratelimit())
+ printk(KERN_WARNING "Spurious DMA IRQ for lch %d\n", ch);
return 0;
- if (unlikely(dma_chan[ch].dev_id == -1))
+ }
+ if (unlikely(dma_chan[ch].dev_id == -1)) {
+ if (printk_ratelimit())
+ printk(KERN_WARNING "IRQ %04x for non-allocated DMA"
+ "channel %d\n", status, ch);
return 0;
+ }
if (unlikely(status & OMAP_DMA_DROP_IRQ))
printk(KERN_INFO
"DMA synchronization event drop occurred with device "
@@ -959,11 +966,15 @@ static irqreturn_t omap2_dma_irq_handler(int irq, void *dev_id)
int i;
val = omap_readl(OMAP_DMA4_IRQSTATUS_L0);
-
- for (i = 1; i <= OMAP_LOGICAL_DMA_CH_COUNT; i++) {
- int active = val & (1 << (i - 1));
- if (active)
- omap2_dma_handle_ch(i - 1);
+ if (val == 0) {
+ if (printk_ratelimit())
+ printk(KERN_WARNING "Spurious DMA IRQ\n");
+ return IRQ_HANDLED;
+ }
+ for (i = 0; i < OMAP_LOGICAL_DMA_CH_COUNT && val != 0; i++) {
+ if (val & 1)
+ omap2_dma_handle_ch(i);
+ val >>= 1;
}
return IRQ_HANDLED;
diff --git a/arch/arm/plat-omap/dmtimer.c b/arch/arm/plat-omap/dmtimer.c
index 659619f235c..36073dfaa4d 100644
--- a/arch/arm/plat-omap/dmtimer.c
+++ b/arch/arm/plat-omap/dmtimer.c
@@ -372,7 +372,7 @@ void omap_dm_timer_set_source(struct omap_dm_timer *timer, int source)
/* When the functional clock disappears, too quick writes seem to
* cause an abort. */
- __delay(15000);
+ __delay(150000);
}
#endif
diff --git a/arch/arm/plat-omap/fb.c b/arch/arm/plat-omap/fb.c
index 56acb8720f7..4493bcff517 100644
--- a/arch/arm/plat-omap/fb.c
+++ b/arch/arm/plat-omap/fb.c
@@ -1,3 +1,26 @@
+/*
+ * File: arch/arm/plat-omap/fb.c
+ *
+ * Framebuffer device registration for TI OMAP platforms
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ * Author: Imre Deak <imre.deak@nokia.com>
+ *
+ * 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.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License along
+ * with this program; if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ */
+
#include <linux/module.h>
#include <linux/kernel.h>
#include <linux/init.h>
@@ -16,6 +39,8 @@
#if defined(CONFIG_FB_OMAP) || defined(CONFIG_FB_OMAP_MODULE)
static struct omapfb_platform_data omapfb_config;
+static int config_invalid;
+static int configured_regions;
static u64 omap_fb_dma_mask = ~(u32)0;
@@ -30,39 +55,270 @@ static struct platform_device omap_fb_device = {
.num_resources = 0,
};
-/* called from map_io */
-void omapfb_reserve_mem(void)
+static inline int ranges_overlap(unsigned long start1, unsigned long size1,
+ unsigned long start2, unsigned long size2)
{
- const struct omap_fbmem_config *fbmem_conf;
+ return (start1 >= start2 && start1 < start2 + size2) ||
+ (start2 >= start1 && start2 < start1 + size1);
+}
- omapfb_config.fbmem.fb_sram_start = omap_fb_sram_start;
- omapfb_config.fbmem.fb_sram_size = omap_fb_sram_size;
+static inline int range_included(unsigned long start1, unsigned long size1,
+ unsigned long start2, unsigned long size2)
+{
+ return start1 >= start2 && start1 + size1 <= start2 + size2;
+}
- fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config);
- if (fbmem_conf != NULL) {
- /* indicate that the bootloader already initialized the
- * fb device, so we'll skip that part in the fb driver
- */
- omapfb_config.fbmem.fb_sdram_start = fbmem_conf->fb_sdram_start;
- omapfb_config.fbmem.fb_sdram_size = fbmem_conf->fb_sdram_size;
- if (fbmem_conf->fb_sdram_size) {
- pr_info("Reserving %u bytes SDRAM for frame buffer\n",
- fbmem_conf->fb_sdram_size);
- reserve_bootmem(fbmem_conf->fb_sdram_start,
- fbmem_conf->fb_sdram_size);
+/* Check if there is an overlapping region. */
+static int fbmem_region_reserved(unsigned long start, size_t size)
+{
+ struct omapfb_mem_region *rg;
+ int i;
+
+ rg = &omapfb_config.mem_desc.region[0];
+ for (i = 0; i < OMAPFB_PLANE_NUM; i++, rg++) {
+ if (!rg->paddr)
+ /* Empty slot. */
+ continue;
+ if (ranges_overlap(start, size, rg->paddr, rg->size))
+ return 1;
+ }
+ return 0;
+}
+
+/*
+ * Get the region_idx`th region from board config/ATAG and convert it to
+ * our internal format.
+ */
+static int get_fbmem_region(int region_idx, struct omapfb_mem_region *rg)
+{
+ const struct omap_fbmem_config *conf;
+ u32 paddr;
+
+ conf = omap_get_nr_config(OMAP_TAG_FBMEM,
+ struct omap_fbmem_config, region_idx);
+ if (conf == NULL)
+ return -ENOENT;
+
+ paddr = conf->start;
+ /*
+ * Low bits encode the page allocation mode, if high bits
+ * are zero. Otherwise we need a page aligned fixed
+ * address.
+ */
+ memset(rg, 0, sizeof(*rg));
+ rg->type = paddr & ~PAGE_MASK;
+ rg->paddr = paddr & PAGE_MASK;
+ rg->size = PAGE_ALIGN(conf->size);
+ return 0;
+}
+
+static int set_fbmem_region_type(struct omapfb_mem_region *rg, int mem_type,
+ unsigned long mem_start,
+ unsigned long mem_size)
+{
+ /*
+ * Check if the configuration specifies the type explicitly.
+ * type = 0 && paddr = 0, a default don't care case maps to
+ * the SDRAM type.
+ */
+ if (rg->type || (!rg->type && !rg->paddr))
+ return 0;
+ if (ranges_overlap(rg->paddr, rg->size, mem_start, mem_size)) {
+ rg->type = mem_type;
+ return 0;
+ }
+ /* Can't determine it. */
+ return -1;
+}
+
+static int check_fbmem_region(int region_idx, struct omapfb_mem_region *rg,
+ unsigned long start_avail, unsigned size_avail)
+{
+ unsigned long paddr = rg->paddr;
+ size_t size = rg->size;
+
+ if (rg->type > OMAPFB_MEMTYPE_MAX) {
+ printk(KERN_ERR
+ "Invalid start address for FB region %d\n", region_idx);
+ return -EINVAL;
+ }
+
+ if (!rg->size) {
+ printk(KERN_ERR "Zero size for FB region %d\n", region_idx);
+ return -EINVAL;
+ }
+
+ if (!paddr)
+ /* Allocate this dynamically, leave paddr 0 for now. */
+ return 0;
+
+ /*
+ * Fixed region for the given RAM range. Check if it's already
+ * reserved by the FB code or someone else.
+ */
+ if (fbmem_region_reserved(paddr, size) ||
+ !range_included(paddr, size, start_avail, size_avail)) {
+ printk(KERN_ERR "Trying to use reserved memory "
+ "for FB region %d\n", region_idx);
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+/*
+ * Called from map_io. We need to call to this early enough so that we
+ * can reserve the fixed SDRAM regions before VM could get hold of them.
+ */
+void omapfb_reserve_sdram(void)
+{
+ struct bootmem_data *bdata;
+ unsigned long sdram_start, sdram_size;
+ unsigned long reserved;
+ int i;
+
+ if (config_invalid)
+ return;
+
+ bdata = NODE_DATA(0)->bdata;
+ sdram_start = bdata->node_boot_start;
+ sdram_size = (bdata->node_low_pfn << PAGE_SHIFT) - sdram_start;
+ reserved = 0;
+ for (i = 0; ; i++) {
+ struct omapfb_mem_region rg;
+
+ if (get_fbmem_region(i, &rg) < 0)
+ break;
+ if (i == OMAPFB_PLANE_NUM) {
+ printk(KERN_ERR
+ "Extraneous FB mem configuration entries\n");
+ config_invalid = 1;
+ return;
}
+ /* Check if it's our memory type. */
+ if (set_fbmem_region_type(&rg, OMAPFB_MEMTYPE_SDRAM,
+ sdram_start, sdram_size) < 0 ||
+ (rg.type != OMAPFB_MEMTYPE_SDRAM))
+ continue;
+ BUG_ON(omapfb_config.mem_desc.region[i].size);
+ if (check_fbmem_region(i, &rg, sdram_start, sdram_size) < 0) {
+ config_invalid = 1;
+ return;
+ }
+ if (rg.paddr)
+ reserve_bootmem(rg.paddr, rg.size);
+ reserved += rg.size;
+ omapfb_config.mem_desc.region[i] = rg;
+ configured_regions++;
}
+ omapfb_config.mem_desc.region_cnt = i;
+ if (reserved)
+ pr_info("Reserving %lu bytes SDRAM for frame buffer\n",
+ reserved);
+}
+
+/*
+ * Called at sram init time, before anything is pushed to the SRAM stack.
+ * Because of the stack scheme, we will allocate everything from the
+ * start of the lowest address region to the end of SRAM. This will also
+ * include padding for page alignment and possible holes between regions.
+ *
+ * As opposed to the SDRAM case, we'll also do any dynamic allocations at
+ * this point, since the driver built as a module would have problem with
+ * freeing / reallocating the regions.
+ */
+unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
+ unsigned long sram_vstart,
+ unsigned long sram_size,
+ unsigned long pstart_avail,
+ unsigned long size_avail)
+{
+ struct omapfb_mem_region rg;
+ unsigned long pend_avail;
+ unsigned long reserved;
+ int i;
+
+ if (config_invalid)
+ return 0;
+
+ reserved = 0;
+ pend_avail = pstart_avail + size_avail;
+ for (i = 0; ; i++) {
+ if (get_fbmem_region(i, &rg) < 0)
+ break;
+ if (i == OMAPFB_PLANE_NUM) {
+ printk(KERN_ERR
+ "Extraneous FB mem configuration entries\n");
+ config_invalid = 1;
+ return 0;
+ }
+
+ /* Check if it's our memory type. */
+ if (set_fbmem_region_type(&rg, OMAPFB_MEMTYPE_SRAM,
+ sram_pstart, sram_size) < 0 ||
+ (rg.type != OMAPFB_MEMTYPE_SRAM))
+ continue;
+ BUG_ON(omapfb_config.mem_desc.region[i].size);
+
+ if (check_fbmem_region(i, &rg, pstart_avail, size_avail) < 0) {
+ config_invalid = 1;
+ return 0;
+ }
+
+ if (!rg.paddr) {
+ /* Dynamic allocation */
+ if ((size_avail & PAGE_MASK) < rg.size) {
+ printk("Not enough SRAM for FB region %d\n",
+ i);
+ config_invalid = 1;
+ return 0;
+ }
+ size_avail = (size_avail - rg.size) & PAGE_MASK;
+ rg.paddr = pstart_avail + size_avail;
+ }
+ /* Reserve everything above the start of the region. */
+ if (pend_avail - rg.paddr > reserved)
+ reserved = pend_avail - rg.paddr;
+ size_avail = pend_avail - reserved - pstart_avail;
+
+ /*
+ * We have a kernel mapping for this already, so the
+ * driver won't have to make one.
+ */
+ rg.vaddr = (void *)(sram_vstart + rg.paddr - sram_pstart);
+ omapfb_config.mem_desc.region[i] = rg;
+ configured_regions++;
+ }
+ omapfb_config.mem_desc.region_cnt = i;
+ if (reserved)
+ pr_info("Reserving %lu bytes SRAM for frame buffer\n",
+ reserved);
+ return reserved;
+}
+
+void omapfb_set_ctrl_platform_data(void *data)
+{
+ omapfb_config.ctrl_platform_data = data;
}
static inline int omap_init_fb(void)
{
const struct omap_lcd_config *conf;
+ if (config_invalid)
+ return 0;
+ if (configured_regions != omapfb_config.mem_desc.region_cnt) {
+ printk(KERN_ERR "Invalid FB mem configuration entries\n");
+ return 0;
+ }
conf = omap_get_config(OMAP_TAG_LCD, struct omap_lcd_config);
- if (conf == NULL)
+ if (conf == NULL) {
+ if (configured_regions)
+ /* FB mem config, but no LCD config? */
+ printk(KERN_ERR "Missing LCD configuration\n");
return 0;
-
+ }
omapfb_config.lcd = *conf;
return platform_device_register(&omap_fb_device);
@@ -72,7 +328,16 @@ arch_initcall(omap_init_fb);
#else
-void omapfb_reserve_mem(void) {}
+void omapfb_reserve_sdram(void) {}
+unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
+ unsigned long sram_vstart,
+ unsigned long sram_size,
+ unsigned long start_avail,
+ unsigned long size_avail)
+{
+ return 0;
+}
+
#endif
diff --git a/arch/arm/plat-omap/gpio.c b/arch/arm/plat-omap/gpio.c
index 9dc6d3617bd..337455dfe64 100644
--- a/arch/arm/plat-omap/gpio.c
+++ b/arch/arm/plat-omap/gpio.c
@@ -13,7 +13,6 @@
#include <linux/init.h>
#include <linux/module.h>
-#include <linux/sched.h>
#include <linux/interrupt.h>
#include <linux/sysdev.h>
#include <linux/err.h>
@@ -1545,7 +1544,7 @@ void omap2_gpio_resume_after_retention(void)
* This may get called early from board specific init
* for boards that have interrupts routed via FPGA.
*/
-int omap_gpio_init(void)
+int __init omap_gpio_init(void)
{
if (!initialized)
return _omap_gpio_init();
diff --git a/arch/arm/plat-omap/mailbox.c b/arch/arm/plat-omap/mailbox.c
new file mode 100644
index 00000000000..de7e6ef48bd
--- /dev/null
+++ b/arch/arm/plat-omap/mailbox.c
@@ -0,0 +1,509 @@
+/*
+ * OMAP mailbox driver
+ *
+ * Copyright (C) 2006 Nokia Corporation. All rights reserved.
+ *
+ * Contact: Toshihiro Kobayashi <toshihiro.kobayashi@nokia.com>
+ * Restructured by Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *
+ * This program is free software; you can redistribute it and/or
+ * modify it under the terms of the GNU General Public License
+ * version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful, but
+ * WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
+ * General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
+ * 02110-1301 USA
+ *
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/sched.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+#include <linux/blkdev.h>
+#include <linux/err.h>
+#include <linux/delay.h>
+#include <asm/io.h>
+#include <asm/arch/mailbox.h>
+#include "mailbox.h"
+
+static struct omap_mbox *mboxes;
+static DEFINE_RWLOCK(mboxes_lock);
+
+/* Mailbox Sequence Bit function */
+void omap_mbox_init_seq(struct omap_mbox *mbox)
+{
+ mbox_seq_init(mbox);
+}
+EXPORT_SYMBOL(omap_mbox_init_seq);
+
+/*
+ * message sender
+ */
+static int __mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg, void *arg)
+{
+ int ret = 0, i = 1000;
+
+ while (mbox_fifo_full(mbox)) {
+ if (mbox->ops->type == OMAP_MBOX_TYPE2)
+ return -1;
+ if (--i == 0)
+ return -1;
+ udelay(1);
+ }
+
+ if (arg && mbox->txq->callback) {
+ ret = mbox->txq->callback(arg);
+ if (ret)
+ goto out;
+ }
+
+ mbox_seq_toggle(mbox, &msg);
+ mbox_fifo_write(mbox, msg);
+ out:
+ return ret;
+}
+
+int omap_mbox_msg_send(struct omap_mbox *mbox, mbox_msg_t msg, void* arg)
+{
+ struct request *rq;
+ struct request_queue *q = mbox->txq->queue;
+ int ret = 0;
+
+ rq = blk_get_request(q, WRITE, GFP_ATOMIC);
+ if (unlikely(!rq)) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ rq->data = (void *)msg;
+ blk_insert_request(q, rq, 0, arg);
+
+ schedule_work(&mbox->txq->work);
+ fail:
+ return ret;
+}
+EXPORT_SYMBOL(omap_mbox_msg_send);
+
+static void mbox_tx_work(struct work_struct *work)
+{
+ int ret;
+ struct request *rq;
+ struct omap_mbox_queue *mq = container_of(work,
+ struct omap_mbox_queue, work);
+ struct omap_mbox *mbox = mq->queue->queuedata;
+ struct request_queue *q = mbox->txq->queue;
+
+ while (1) {
+ spin_lock(q->queue_lock);
+ rq = elv_next_request(q);
+ spin_unlock(q->queue_lock);
+
+ if (!rq)
+ break;
+
+ ret = __mbox_msg_send(mbox, (mbox_msg_t) rq->data, rq->special);
+ if (ret) {
+ enable_mbox_irq(mbox, IRQ_TX);
+ return;
+ }
+
+ spin_lock(q->queue_lock);
+ blkdev_dequeue_request(rq);
+ end_that_request_last(rq, 0);
+ spin_unlock(q->queue_lock);
+ }
+}
+
+/*
+ * Message receiver(workqueue)
+ */
+static void mbox_rx_work(struct work_struct *work)
+{
+ struct omap_mbox_queue *mq =
+ container_of(work, struct omap_mbox_queue, work);
+ struct omap_mbox *mbox = mq->queue->queuedata;
+ struct request_queue *q = mbox->rxq->queue;
+ struct request *rq;
+ mbox_msg_t msg;
+ unsigned long flags;
+
+ if (mbox->rxq->callback == NULL) {
+ sysfs_notify(&mbox->dev.kobj, NULL, "mbox");
+ return;
+ }
+
+ while (1) {
+ spin_lock_irqsave(q->queue_lock, flags);
+ rq = elv_next_request(q);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+ if (!rq)
+ break;
+
+ msg = (mbox_msg_t) rq->data;
+
+ spin_lock_irqsave(q->queue_lock, flags);
+ blkdev_dequeue_request(rq);
+ end_that_request_last(rq, 0);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+
+ mbox->rxq->callback((void *)msg);
+ }
+}
+
+/*
+ * Mailbox interrupt handler
+ */
+static void mbox_txq_fn(request_queue_t * q)
+{
+}
+
+static void mbox_rxq_fn(request_queue_t * q)
+{
+}
+
+static void __mbox_tx_interrupt(struct omap_mbox *mbox)
+{
+ disable_mbox_irq(mbox, IRQ_TX);
+ ack_mbox_irq(mbox, IRQ_TX);
+ schedule_work(&mbox->txq->work);
+}
+
+static void __mbox_rx_interrupt(struct omap_mbox *mbox)
+{
+ struct request *rq;
+ mbox_msg_t msg;
+ request_queue_t *q = mbox->rxq->queue;
+
+ disable_mbox_irq(mbox, IRQ_RX);
+
+ while (!mbox_fifo_empty(mbox)) {
+ rq = blk_get_request(q, WRITE, GFP_ATOMIC);
+ if (unlikely(!rq))
+ goto nomem;
+
+ msg = mbox_fifo_read(mbox);
+ rq->data = (void *)msg;
+
+ if (unlikely(mbox_seq_test(mbox, msg))) {
+ pr_info("mbox: Illegal seq bit!(%08x)\n", msg);
+ if (mbox->err_notify)
+ mbox->err_notify();
+ }
+
+ blk_insert_request(q, rq, 0, NULL);
+ if (mbox->ops->type == OMAP_MBOX_TYPE1)
+ break;
+ }
+
+ /* no more messages in the fifo. clear IRQ source. */
+ ack_mbox_irq(mbox, IRQ_RX);
+ enable_mbox_irq(mbox, IRQ_RX);
+ nomem:
+ schedule_work(&mbox->rxq->work);
+}
+
+static irqreturn_t mbox_interrupt(int irq, void *p)
+{
+ struct omap_mbox *mbox = (struct omap_mbox *)p;
+
+ if (is_mbox_irq(mbox, IRQ_TX))
+ __mbox_tx_interrupt(mbox);
+
+ if (is_mbox_irq(mbox, IRQ_RX))
+ __mbox_rx_interrupt(mbox);
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * sysfs files
+ */
+static ssize_t
+omap_mbox_write(struct device *dev, struct device_attribute *attr,
+ const char * buf, size_t count)
+{
+ int ret;
+ mbox_msg_t *p = (mbox_msg_t *)buf;
+ struct omap_mbox *mbox = dev_get_drvdata(dev);
+
+ for (; count >= sizeof(mbox_msg_t); count -= sizeof(mbox_msg_t)) {
+ ret = omap_mbox_msg_send(mbox, be32_to_cpu(*p), NULL);
+ if (ret)
+ return -EAGAIN;
+ p++;
+ }
+
+ return (size_t)((char *)p - buf);
+}
+
+static ssize_t
+omap_mbox_read(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ unsigned long flags;
+ struct request *rq;
+ mbox_msg_t *p = (mbox_msg_t *) buf;
+ struct omap_mbox *mbox = dev_get_drvdata(dev);
+ struct request_queue *q = mbox->rxq->queue;
+
+ while (1) {
+ spin_lock_irqsave(q->queue_lock, flags);
+ rq = elv_next_request(q);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+
+ if (!rq)
+ break;
+
+ *p = (mbox_msg_t) rq->data;
+
+ spin_lock_irqsave(q->queue_lock, flags);
+ blkdev_dequeue_request(rq);
+ end_that_request_last(rq, 0);
+ spin_unlock_irqrestore(q->queue_lock, flags);
+
+ if (unlikely(mbox_seq_test(mbox, *p))) {
+ pr_info("mbox: Illegal seq bit!(%08x) ignored\n", *p);
+ continue;
+ }
+ p++;
+ }
+
+ pr_debug("%02x %02x %02x %02x\n", buf[0], buf[1], buf[2], buf[3]);
+
+ return (size_t) ((char *)p - buf);
+}
+
+static DEVICE_ATTR(mbox, S_IRUGO | S_IWUSR, omap_mbox_read, omap_mbox_write);
+
+static ssize_t mbox_show(struct class *class, char *buf)
+{
+ return sprintf(buf, "mbox");
+}
+
+static CLASS_ATTR(mbox, S_IRUGO, mbox_show, NULL);
+
+static struct class omap_mbox_class = {
+ .name = "omap_mbox",
+};
+
+static struct omap_mbox_queue *mbox_queue_alloc(struct omap_mbox *mbox,
+ request_fn_proc * proc,
+ void (*work) (struct work_struct *))
+{
+ request_queue_t *q;
+ struct omap_mbox_queue *mq;
+
+ mq = kzalloc(sizeof(struct omap_mbox_queue), GFP_KERNEL);
+ if (!mq)
+ return NULL;
+
+ spin_lock_init(&mq->lock);
+
+ q = blk_init_queue(proc, &mq->lock);
+ if (!q)
+ goto error;
+ q->queuedata = mbox;
+ mq->queue = q;
+
+ INIT_WORK(&mq->work, work);
+
+ return mq;
+error:
+ kfree(mq);
+ return NULL;
+}
+
+static void mbox_queue_free(struct omap_mbox_queue *q)
+{
+ blk_cleanup_queue(q->queue);
+ kfree(q);
+}
+
+static int omap_mbox_init(struct omap_mbox *mbox)
+{
+ int ret;
+ struct omap_mbox_queue *mq;
+
+ if (likely(mbox->ops->startup)) {
+ ret = mbox->ops->startup(mbox);
+ if (unlikely(ret))
+ return ret;
+ }
+
+ mbox->dev.class = &omap_mbox_class;
+ strlcpy(mbox->dev.bus_id, mbox->name, KOBJ_NAME_LEN);
+ dev_set_drvdata(&mbox->dev, mbox);
+
+ ret = device_register(&mbox->dev);
+ if (unlikely(ret))
+ goto fail_device_reg;
+
+ ret = device_create_file(&mbox->dev, &dev_attr_mbox);
+ if (unlikely(ret)) {
+ printk(KERN_ERR
+ "device_create_file failed: %d\n", ret);
+ goto fail_create_mbox;
+ }
+
+ ret = request_irq(mbox->irq, mbox_interrupt, IRQF_DISABLED,
+ mbox->name, mbox);
+ if (unlikely(ret)) {
+ printk(KERN_ERR
+ "failed to register mailbox interrupt:%d\n", ret);
+ goto fail_request_irq;
+ }
+ enable_mbox_irq(mbox, IRQ_RX);
+
+ mq = mbox_queue_alloc(mbox, mbox_txq_fn, mbox_tx_work);
+ if (!mq) {
+ ret = -ENOMEM;
+ goto fail_alloc_txq;
+ }
+ mbox->txq = mq;
+
+ mq = mbox_queue_alloc(mbox, mbox_rxq_fn, mbox_rx_work);
+ if (!mq) {
+ ret = -ENOMEM;
+ goto fail_alloc_rxq;
+ }
+ mbox->rxq = mq;
+
+ return 0;
+
+ fail_alloc_rxq:
+ mbox_queue_free(mbox->txq);
+ fail_alloc_txq:
+ free_irq(mbox->irq, mbox);
+ fail_request_irq:
+ device_remove_file(&mbox->dev, &dev_attr_mbox);
+ fail_create_mbox:
+ device_unregister(&mbox->dev);
+ fail_device_reg:
+ if (unlikely(mbox->ops->shutdown))
+ mbox->ops->shutdown(mbox);
+
+ return ret;
+}
+
+static void omap_mbox_fini(struct omap_mbox *mbox)
+{
+ mbox_queue_free(mbox->txq);
+ mbox_queue_free(mbox->rxq);
+
+ free_irq(mbox->irq, mbox);
+ device_remove_file(&mbox->dev, &dev_attr_mbox);
+ class_unregister(&omap_mbox_class);
+
+ if (unlikely(mbox->ops->shutdown))
+ mbox->ops->shutdown(mbox);
+}
+
+static struct omap_mbox **find_mboxes(const char *name)
+{
+ struct omap_mbox **p;
+
+ for (p = &mboxes; *p; p = &(*p)->next) {
+ if (strcmp((*p)->name, name) == 0)
+ break;
+ }
+
+ return p;
+}
+
+struct omap_mbox *omap_mbox_get(const char *name)
+{
+ struct omap_mbox *mbox;
+ int ret;
+
+ read_lock(&mboxes_lock);
+ mbox = *(find_mboxes(name));
+ if (mbox == NULL) {
+ read_unlock(&mboxes_lock);
+ return ERR_PTR(-ENOENT);
+ }
+
+ read_unlock(&mboxes_lock);
+
+ ret = omap_mbox_init(mbox);
+ if (ret)
+ return ERR_PTR(-ENODEV);
+
+ return mbox;
+}
+EXPORT_SYMBOL(omap_mbox_get);
+
+void omap_mbox_put(struct omap_mbox *mbox)
+{
+ omap_mbox_fini(mbox);
+}
+EXPORT_SYMBOL(omap_mbox_put);
+
+int omap_mbox_register(struct omap_mbox *mbox)
+{
+ int ret = 0;
+ struct omap_mbox **tmp;
+
+ if (!mbox)
+ return -EINVAL;
+ if (mbox->next)
+ return -EBUSY;
+
+ write_lock(&mboxes_lock);
+ tmp = find_mboxes(mbox->name);
+ if (*tmp)
+ ret = -EBUSY;
+ else
+ *tmp = mbox;
+ write_unlock(&mboxes_lock);
+
+ return ret;
+}
+EXPORT_SYMBOL(omap_mbox_register);
+
+int omap_mbox_unregister(struct omap_mbox *mbox)
+{
+ struct omap_mbox **tmp;
+
+ write_lock(&mboxes_lock);
+ tmp = &mboxes;
+ while (*tmp) {
+ if (mbox == *tmp) {
+ *tmp = mbox->next;
+ mbox->next = NULL;
+ write_unlock(&mboxes_lock);
+ return 0;
+ }
+ tmp = &(*tmp)->next;
+ }
+ write_unlock(&mboxes_lock);
+
+ return -EINVAL;
+}
+EXPORT_SYMBOL(omap_mbox_unregister);
+
+static int __init omap_mbox_class_init(void)
+{
+ int ret = class_register(&omap_mbox_class);
+ if (!ret)
+ ret = class_create_file(&omap_mbox_class, &class_attr_mbox);
+
+ return ret;
+}
+
+static void __exit omap_mbox_class_exit(void)
+{
+ class_remove_file(&omap_mbox_class, &class_attr_mbox);
+ class_unregister(&omap_mbox_class);
+}
+
+subsys_initcall(omap_mbox_class_init);
+module_exit(omap_mbox_class_exit);
+
+MODULE_LICENSE("GPL");
diff --git a/arch/arm/plat-omap/mailbox.h b/arch/arm/plat-omap/mailbox.h
new file mode 100644
index 00000000000..67c6740b8ad
--- /dev/null
+++ b/arch/arm/plat-omap/mailbox.h
@@ -0,0 +1,100 @@
+/*
+ * Mailbox internal functions
+ *
+ * Copyright (C) 2006 Nokia Corporation
+ * Written by: Hiroshi DOYU <Hiroshi.DOYU@nokia.com>
+ *
+ * This file is subject to the terms and conditions of the GNU General Public
+ * License. See the file "COPYING" in the main directory of this archive
+ * for more details.
+ */
+
+#ifndef __ARCH_ARM_PLAT_MAILBOX_H
+#define __ARCH_ARM_PLAT_MAILBOX_H
+
+/*
+ * Mailbox sequence bit API
+ */
+#if defined(CONFIG_ARCH_OMAP1)
+# define MBOX_USE_SEQ_BIT
+#elif defined(CONFIG_ARCH_OMAP2)
+# define MBOX_USE_SEQ_BIT
+#endif
+
+#ifdef MBOX_USE_SEQ_BIT
+/* seq_rcv should be initialized with any value other than
+ * 0 and 1 << 31, to allow either value for the first
+ * message. */
+static inline void mbox_seq_init(struct omap_mbox *mbox)
+{
+ /* any value other than 0 and 1 << 31 */
+ mbox->seq_rcv = 0xffffffff;
+}
+
+static inline void mbox_seq_toggle(struct omap_mbox *mbox, mbox_msg_t * msg)
+{
+ /* add seq_snd to msg */
+ *msg = (*msg & 0x7fffffff) | mbox->seq_snd;
+ /* flip seq_snd */
+ mbox->seq_snd ^= 1 << 31;
+}
+
+static inline int mbox_seq_test(struct omap_mbox *mbox, mbox_msg_t msg)
+{
+ mbox_msg_t seq = msg & (1 << 31);
+ if (seq == mbox->seq_rcv)
+ return -1;
+ mbox->seq_rcv = seq;
+ return 0;
+}
+#else
+static inline void mbox_seq_init(struct omap_mbox *mbox)
+{
+}
+static inline void mbox_seq_toggle(struct omap_mbox *mbox, mbox_msg_t * msg)
+{
+}
+static inline int mbox_seq_test(struct omap_mbox *mbox, mbox_msg_t msg)
+{
+ return 0;
+}
+#endif
+
+/* Mailbox FIFO handle functions */
+static inline mbox_msg_t mbox_fifo_read(struct omap_mbox *mbox)
+{
+ return mbox->ops->fifo_read(mbox);
+}
+static inline void mbox_fifo_write(struct omap_mbox *mbox, mbox_msg_t msg)
+{
+ mbox->ops->fifo_write(mbox, msg);
+}
+static inline int mbox_fifo_empty(struct omap_mbox *mbox)
+{
+ return mbox->ops->fifo_empty(mbox);
+}
+static inline int mbox_fifo_full(struct omap_mbox *mbox)
+{
+ return mbox->ops->fifo_full(mbox);
+}
+
+/* Mailbox IRQ handle functions */
+static inline void enable_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ mbox->ops->enable_irq(mbox, irq);
+}
+static inline void disable_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ mbox->ops->disable_irq(mbox, irq);
+}
+static inline void ack_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ if (mbox->ops->ack_irq)
+ mbox->ops->ack_irq(mbox, irq);
+}
+static inline int is_mbox_irq(struct omap_mbox *mbox, omap_mbox_irq_t irq)
+{
+ return mbox->ops->is_irq(mbox, irq);
+}
+
+#endif /* __ARCH_ARM_PLAT_MAILBOX_H */
diff --git a/arch/arm/plat-omap/sram.c b/arch/arm/plat-omap/sram.c
index 19014b2ff4c..bc46f33aede 100644
--- a/arch/arm/plat-omap/sram.c
+++ b/arch/arm/plat-omap/sram.c
@@ -46,14 +46,19 @@
#define ROUND_DOWN(value,boundary) ((value) & (~((boundary)-1)))
+static unsigned long omap_sram_start;
static unsigned long omap_sram_base;
static unsigned long omap_sram_size;
static unsigned long omap_sram_ceil;
-unsigned long omap_fb_sram_start;
-unsigned long omap_fb_sram_size;
+extern unsigned long omapfb_reserve_sram(unsigned long sram_pstart,
+ unsigned long sram_vstart,
+ unsigned long sram_size,
+ unsigned long pstart_avail,
+ unsigned long size_avail);
-/* Depending on the target RAMFS firewall setup, the public usable amount of
+/*
+ * Depending on the target RAMFS firewall setup, the public usable amount of
* SRAM varies. The default accessable size for all device types is 2k. A GP
* device allows ARM11 but not other initators for full size. This
* functionality seems ok until some nice security API happens.
@@ -77,32 +82,6 @@ static int is_sram_locked(void)
return 1; /* assume locked with no PPA or security driver */
}
-void get_fb_sram_conf(unsigned long start_avail, unsigned size_avail,
- unsigned long *start, unsigned long *size)
-{
- const struct omap_fbmem_config *fbmem_conf;
-
- fbmem_conf = omap_get_config(OMAP_TAG_FBMEM, struct omap_fbmem_config);
- if (fbmem_conf != NULL) {
- *start = fbmem_conf->fb_sram_start;
- *size = fbmem_conf->fb_sram_size;
- } else {
- *size = 0;
- *start = 0;
- }
-
- if (*size && (
- *start < start_avail ||
- *start + *size > start_avail + size_avail)) {
- printk(KERN_ERR "invalid FB SRAM configuration\n");
- *start = start_avail;
- *size = size_avail;
- }
-
- if (*size)
- pr_info("Reserving %lu bytes SRAM for frame buffer\n", *size);
-}
-
/*
* The amount of SRAM depends on the core type.
* Note that we cannot try to test for SRAM here because writes
@@ -111,16 +90,16 @@ void get_fb_sram_conf(unsigned long start_avail, unsigned size_avail,
*/
void __init omap_detect_sram(void)
{
- unsigned long sram_start;
+ unsigned long reserved;
if (cpu_is_omap24xx()) {
if (is_sram_locked()) {
omap_sram_base = OMAP2_SRAM_PUB_VA;
- sram_start = OMAP2_SRAM_PUB_PA;
+ omap_sram_start = OMAP2_SRAM_PUB_PA;
omap_sram_size = 0x800; /* 2K */
} else {
omap_sram_base = OMAP2_SRAM_VA;
- sram_start = OMAP2_SRAM_PA;
+ omap_sram_start = OMAP2_SRAM_PA;
if (cpu_is_omap242x())
omap_sram_size = 0xa0000; /* 640K */
else if (cpu_is_omap243x())
@@ -128,7 +107,7 @@ void __init omap_detect_sram(void)
}
} else {
omap_sram_base = OMAP1_SRAM_VA;
- sram_start = OMAP1_SRAM_PA;
+ omap_sram_start = OMAP1_SRAM_PA;
if (cpu_is_omap730())
omap_sram_size = 0x32000; /* 200K */
@@ -144,12 +123,11 @@ void __init omap_detect_sram(void)
omap_sram_size = 0x4000;
}
}
- get_fb_sram_conf(sram_start + SRAM_BOOTLOADER_SZ,
- omap_sram_size - SRAM_BOOTLOADER_SZ,
- &omap_fb_sram_start, &omap_fb_sram_size);
- if (omap_fb_sram_size)
- omap_sram_size -= sram_start + omap_sram_size -
- omap_fb_sram_start;
+ reserved = omapfb_reserve_sram(omap_sram_start, omap_sram_base,
+ omap_sram_size,
+ omap_sram_start + SRAM_BOOTLOADER_SZ,
+ omap_sram_size - SRAM_BOOTLOADER_SZ);
+ omap_sram_size -= reserved;
omap_sram_ceil = omap_sram_base + omap_sram_size;
}
diff --git a/arch/arm/plat-omap/usb.c b/arch/arm/plat-omap/usb.c
index 7e8096809be..25489aafb11 100644
--- a/arch/arm/plat-omap/usb.c
+++ b/arch/arm/plat-omap/usb.c
@@ -37,9 +37,27 @@
#include <asm/arch/usb.h>
#include <asm/arch/board.h>
+#ifdef CONFIG_ARCH_OMAP1
+
+#define INT_USB_IRQ_GEN IH2_BASE + 20
+#define INT_USB_IRQ_NISO IH2_BASE + 30
+#define INT_USB_IRQ_ISO IH2_BASE + 29
+#define INT_USB_IRQ_HGEN INT_USB_HHC_1
+#define INT_USB_IRQ_OTG IH2_BASE + 8
+
+#else
+
+#define INT_USB_IRQ_GEN INT_24XX_USB_IRQ_GEN
+#define INT_USB_IRQ_NISO INT_24XX_USB_IRQ_NISO
+#define INT_USB_IRQ_ISO INT_24XX_USB_IRQ_ISO
+#define INT_USB_IRQ_HGEN INT_24XX_USB_IRQ_HGEN
+#define INT_USB_IRQ_OTG INT_24XX_USB_IRQ_OTG
+
+#endif
+
+
/* These routines should handle the standard chip-specific modes
* for usb0/1/2 ports, covering basic mux and transceiver setup.
- * Call omap_usb_init() once, from INIT_MACHINE().
*
* Some board-*.c files will need to set up additional mux options,
* like for suspend handling, vbus sensing, GPIOs, and the D+ pullup.
@@ -96,19 +114,26 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
{
u32 syscon1 = 0;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG &= ~USBT0WRMODEI(USB_BIDIR_TLL);
+
if (nwires == 0) {
- if (!cpu_is_omap15xx()) {
+ if (cpu_class_is_omap1() && !cpu_is_omap15xx()) {
/* pulldown D+/D- */
USB_TRANSCEIVER_CTRL_REG &= ~(3 << 1);
}
return 0;
}
- if (is_device)
- omap_cfg_reg(W4_USB_PUEN);
+ if (is_device) {
+ if (cpu_is_omap24xx())
+ omap_cfg_reg(J20_24XX_USB0_PUEN);
+ else
+ omap_cfg_reg(W4_USB_PUEN);
+ }
- /* internal transceiver */
- if (nwires == 2) {
+ /* internal transceiver (unavailable on 17xx, 24xx) */
+ if (!cpu_class_is_omap2() && nwires == 2) {
// omap_cfg_reg(P9_USB_DP);
// omap_cfg_reg(R8_USB_DM);
@@ -136,29 +161,50 @@ static u32 __init omap_usb0_init(unsigned nwires, unsigned is_device)
return 0;
}
- omap_cfg_reg(V6_USB0_TXD);
- omap_cfg_reg(W9_USB0_TXEN);
- omap_cfg_reg(W5_USB0_SE0);
+ if (cpu_is_omap24xx()) {
+ omap_cfg_reg(K18_24XX_USB0_DAT);
+ omap_cfg_reg(K19_24XX_USB0_TXEN);
+ omap_cfg_reg(J14_24XX_USB0_SE0);
+ if (nwires != 3)
+ omap_cfg_reg(J18_24XX_USB0_RCV);
+ } else {
+ omap_cfg_reg(V6_USB0_TXD);
+ omap_cfg_reg(W9_USB0_TXEN);
+ omap_cfg_reg(W5_USB0_SE0);
+ if (nwires != 3)
+ omap_cfg_reg(Y5_USB0_RCV);
+ }
- /* NOTE: SPEED and SUSP aren't configured here */
+ /* NOTE: SPEED and SUSP aren't configured here. OTG hosts
+ * may be able to use I2C requests to set those bits along
+ * with VBUS switching and overcurrent detction.
+ */
- if (nwires != 3)
- omap_cfg_reg(Y5_USB0_RCV);
- if (nwires != 6)
+ if (cpu_class_is_omap1() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
switch (nwires) {
case 3:
syscon1 = 2;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
break;
case 4:
syscon1 = 1;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_BIDIR);
break;
case 6:
syscon1 = 3;
- omap_cfg_reg(AA9_USB0_VP);
- omap_cfg_reg(R9_USB0_VM);
- USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
+ if (cpu_is_omap24xx()) {
+ omap_cfg_reg(J19_24XX_USB0_VP);
+ omap_cfg_reg(K20_24XX_USB0_VM);
+ CONTROL_DEVCONF_REG |= USBT0WRMODEI(USB_UNIDIR);
+ } else {
+ omap_cfg_reg(AA9_USB0_VP);
+ omap_cfg_reg(R9_USB0_VM);
+ USB_TRANSCEIVER_CTRL_REG |= CONF_USB2_UNI_R;
+ }
break;
default:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
@@ -171,14 +217,22 @@ static u32 __init omap_usb1_init(unsigned nwires)
{
u32 syscon1 = 0;
- if (nwires != 6 && !cpu_is_omap15xx())
+ if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB1_UNI_R;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG &= ~USBT1WRMODEI(USB_BIDIR_TLL);
+
if (nwires == 0)
return 0;
/* external transceiver */
- omap_cfg_reg(USB1_TXD);
- omap_cfg_reg(USB1_TXEN);
+ if (cpu_class_is_omap1()) {
+ omap_cfg_reg(USB1_TXD);
+ omap_cfg_reg(USB1_TXEN);
+ if (nwires != 3)
+ omap_cfg_reg(USB1_RCV);
+ }
+
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB1_SEO);
omap_cfg_reg(USB1_SPEED);
@@ -190,20 +244,38 @@ static u32 __init omap_usb1_init(unsigned nwires)
} else if (cpu_is_omap1710()) {
omap_cfg_reg(R13_1710_USB1_SE0);
// SUSP
+ } else if (cpu_is_omap24xx()) {
+ /* NOTE: board-specific code must set up pin muxing for usb1,
+ * since each signal could come out on either of two balls.
+ */
} else {
- pr_debug("usb unrecognized\n");
+ pr_debug("usb%d cpu unrecognized\n", 1);
+ return 0;
}
- if (nwires != 3)
- omap_cfg_reg(USB1_RCV);
switch (nwires) {
+ case 2:
+ if (!cpu_is_omap24xx())
+ goto bad;
+ /* NOTE: board-specific code must override this setting if
+ * this TLL link is not using DP/DM
+ */
+ syscon1 = 1;
+ CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR_TLL);
+ break;
case 3:
syscon1 = 2;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
break;
case 4:
syscon1 = 1;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG |= USBT1WRMODEI(USB_BIDIR);
break;
case 6:
+ if (cpu_is_omap24xx())
+ goto bad;
syscon1 = 3;
omap_cfg_reg(USB1_VP);
omap_cfg_reg(USB1_VM);
@@ -211,6 +283,7 @@ static u32 __init omap_usb1_init(unsigned nwires)
USB_TRANSCEIVER_CTRL_REG |= CONF_USB1_UNI_R;
break;
default:
+bad:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
1, nwires);
}
@@ -221,10 +294,17 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
{
u32 syscon1 = 0;
- /* NOTE erratum: must leave USB2_UNI_R set if usb0 in use */
+ if (cpu_is_omap24xx()) {
+ CONTROL_DEVCONF_REG &= ~(USBT2WRMODEI(USB_BIDIR_TLL)
+ | USBT2TLL5PI);
+ alt_pingroup = 0;
+ }
+
+ /* NOTE omap1 erratum: must leave USB2_UNI_R set if usb0 in use */
if (alt_pingroup || nwires == 0)
return 0;
- if (nwires != 6 && !cpu_is_omap15xx())
+
+ if (cpu_class_is_omap1() && !cpu_is_omap15xx() && nwires != 6)
USB_TRANSCEIVER_CTRL_REG &= ~CONF_USB2_UNI_R;
/* external transceiver */
@@ -242,19 +322,54 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
if (nwires != 3)
omap_cfg_reg(Y5_USB2_RCV);
// FIXME omap_cfg_reg(USB2_SPEED);
+ } else if (cpu_is_omap24xx()) {
+ omap_cfg_reg(Y11_24XX_USB2_DAT);
+ omap_cfg_reg(AA10_24XX_USB2_SE0);
+ if (nwires > 2)
+ omap_cfg_reg(AA12_24XX_USB2_TXEN);
+ if (nwires > 3)
+ omap_cfg_reg(AA6_24XX_USB2_RCV);
} else {
- pr_debug("usb unrecognized\n");
+ pr_debug("usb%d cpu unrecognized\n", 1);
+ return 0;
}
- // omap_cfg_reg(USB2_SUSP);
+ // if (cpu_class_is_omap1()) omap_cfg_reg(USB2_SUSP);
switch (nwires) {
+ case 2:
+ if (!cpu_is_omap24xx())
+ goto bad;
+ /* NOTE: board-specific code must override this setting if
+ * this TLL link is not using DP/DM
+ */
+ syscon1 = 1;
+ CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR_TLL);
+ break;
case 3:
syscon1 = 2;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
break;
case 4:
syscon1 = 1;
+ if (cpu_is_omap24xx())
+ CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_BIDIR);
+ break;
+ case 5:
+ if (!cpu_is_omap24xx())
+ goto bad;
+ omap_cfg_reg(AA4_24XX_USB2_TLLSE0);
+ /* NOTE: board-specific code must override this setting if
+ * this TLL link is not using DP/DM. Something must also
+ * set up OTG_SYSCON2.HMC_TLL{ATTACH,SPEED}
+ */
+ syscon1 = 3;
+ CONTROL_DEVCONF_REG |= USBT2WRMODEI(USB_UNIDIR_TLL)
+ | USBT2TLL5PI;
break;
case 6:
+ if (cpu_is_omap24xx())
+ goto bad;
syscon1 = 3;
if (cpu_is_omap15xx()) {
omap_cfg_reg(USB2_VP);
@@ -266,6 +381,7 @@ static u32 __init omap_usb2_init(unsigned nwires, unsigned alt_pingroup)
}
break;
default:
+bad:
printk(KERN_ERR "illegal usb%d %d-wire transceiver\n",
2, nwires);
}
@@ -294,13 +410,13 @@ static struct resource udc_resources[] = {
.end = UDC_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, { /* general IRQ */
- .start = IH2_BASE + 20,
+ .start = INT_USB_IRQ_GEN,
.flags = IORESOURCE_IRQ,
}, { /* PIO IRQ */
- .start = IH2_BASE + 30,
+ .start = INT_USB_IRQ_NISO,
.flags = IORESOURCE_IRQ,
}, { /* SOF IRQ */
- .start = IH2_BASE + 29,
+ .start = INT_USB_IRQ_ISO,
.flags = IORESOURCE_IRQ,
},
};
@@ -329,11 +445,11 @@ static u64 ohci_dmamask = ~(u32)0;
static struct resource ohci_resources[] = {
{
.start = OMAP_OHCI_BASE,
- .end = OMAP_OHCI_BASE + 4096 - 1,
+ .end = OMAP_OHCI_BASE + 0xff,
.flags = IORESOURCE_MEM,
},
{
- .start = INT_USB_HHC_1,
+ .start = INT_USB_IRQ_HGEN,
.flags = IORESOURCE_IRQ,
},
};
@@ -361,7 +477,7 @@ static struct resource otg_resources[] = {
.end = OTG_BASE + 0xff,
.flags = IORESOURCE_MEM,
}, {
- .start = IH2_BASE + 8,
+ .start = INT_USB_IRQ_OTG,
.flags = IORESOURCE_IRQ,
},
};
@@ -385,7 +501,7 @@ static struct platform_device otg_device = {
// FIXME correct answer depends on hmc_mode,
-// as does any nonzero value for config->otg port number
+// as does (on omap1) any nonzero value for config->otg port number
#ifdef CONFIG_USB_GADGET_OMAP
#define is_usb0_device(config) 1
#else
@@ -426,12 +542,13 @@ omap_otg_init(struct omap_usb_config *config)
if (config->otg)
syscon |= OTG_EN;
#endif
- pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
+ if (cpu_class_is_omap1())
+ pr_debug("USB_TRANSCEIVER_CTRL_REG = %03x\n", USB_TRANSCEIVER_CTRL_REG);
pr_debug("OTG_SYSCON_2_REG = %08x\n", syscon);
OTG_SYSCON_2_REG = syscon;
printk("USB: hmc %d", config->hmc_mode);
- if (alt_pingroup)
+ if (!alt_pingroup)
printk(", usb2 alt %d wires", config->pins[2]);
else if (config->pins[0])
printk(", usb0 %d wires%s", config->pins[0],
@@ -444,10 +561,12 @@ omap_otg_init(struct omap_usb_config *config)
printk(", Mini-AB on usb%d", config->otg - 1);
printk("\n");
- /* leave USB clocks/controllers off until needed */
- ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
- ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
- ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
+ if (cpu_class_is_omap1()) {
+ /* leave USB clocks/controllers off until needed */
+ ULPD_SOFT_REQ_REG &= ~SOFT_USB_CLK_REQ;
+ ULPD_CLOCK_CTRL_REG &= ~USB_MCLK_EN;
+ ULPD_CLOCK_CTRL_REG |= DIS_USB_PVCI_CLK;
+ }
syscon = OTG_SYSCON_1_REG;
syscon |= HST_IDLE_EN|DEV_IDLE_EN|OTG_IDLE_EN;
@@ -585,7 +704,7 @@ omap_usb_init(void)
}
platform_data = *config;
- if (cpu_is_omap730() || cpu_is_omap16xx())
+ if (cpu_is_omap730() || cpu_is_omap16xx() || cpu_is_omap24xx())
omap_otg_init(&platform_data);
else if (cpu_is_omap15xx())
omap_1510_usb_init(&platform_data);
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-03 00:47:36 +0000