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-rw-r--r--arch/arm/mach-omap2/Kconfig1
-rw-r--r--arch/arm/mach-omap2/board-omap3beagle.c22
-rw-r--r--arch/arm/mach-omap2/clock33xx_data.c2
-rw-r--r--arch/arm/mach-omap2/clock44xx_data.c2
-rw-r--r--arch/arm/mach-omap2/clockdomain.c15
-rw-r--r--arch/arm/mach-omap2/devices.c2
-rw-r--r--arch/arm/mach-omap2/gpmc.c24
-rw-r--r--arch/arm/mach-omap2/mux34xx.c8
-rw-r--r--arch/arm/mach-omap2/pm.h1
-rw-r--r--arch/arm/mach-omap2/pm34xx.c30
-rw-r--r--arch/arm/mach-omap2/serial.c5
-rw-r--r--arch/arm/mach-omap2/timer.c2
12 files changed, 86 insertions, 28 deletions
diff --git a/arch/arm/mach-omap2/Kconfig b/arch/arm/mach-omap2/Kconfig
index 2a1a898c7f90..d669e227e00c 100644
--- a/arch/arm/mach-omap2/Kconfig
+++ b/arch/arm/mach-omap2/Kconfig
@@ -11,7 +11,6 @@ config ARCH_OMAP2PLUS_TYPICAL
select I2C_OMAP
select MENELAUS if ARCH_OMAP2
select NEON if ARCH_OMAP3 || ARCH_OMAP4 || SOC_OMAP5
- select PINCTRL
select PM_RUNTIME
select REGULATOR
select SERIAL_OMAP
diff --git a/arch/arm/mach-omap2/board-omap3beagle.c b/arch/arm/mach-omap2/board-omap3beagle.c
index 388c431c745a..d41ab98890ff 100644
--- a/arch/arm/mach-omap2/board-omap3beagle.c
+++ b/arch/arm/mach-omap2/board-omap3beagle.c
@@ -24,6 +24,7 @@
#include <linux/input.h>
#include <linux/gpio_keys.h>
#include <linux/opp.h>
+#include <linux/cpu.h>
#include <linux/mtd/mtd.h>
#include <linux/mtd/partitions.h>
@@ -444,27 +445,31 @@ static struct omap_board_mux board_mux[] __initdata = {
};
#endif
-static void __init beagle_opp_init(void)
+static int __init beagle_opp_init(void)
{
int r = 0;
- /* Initialize the omap3 opp table */
- if (omap3_opp_init()) {
+ if (!machine_is_omap3_beagle())
+ return 0;
+
+ /* Initialize the omap3 opp table if not already created. */
+ r = omap3_opp_init();
+ if (IS_ERR_VALUE(r) && (r != -EEXIST)) {
pr_err("%s: opp default init failed\n", __func__);
- return;
+ return r;
}
/* Custom OPP enabled for all xM versions */
if (cpu_is_omap3630()) {
struct device *mpu_dev, *iva_dev;
- mpu_dev = omap_device_get_by_hwmod_name("mpu");
+ mpu_dev = get_cpu_device(0);
iva_dev = omap_device_get_by_hwmod_name("iva");
if (IS_ERR(mpu_dev) || IS_ERR(iva_dev)) {
pr_err("%s: Aiee.. no mpu/dsp devices? %p %p\n",
__func__, mpu_dev, iva_dev);
- return;
+ return -ENODEV;
}
/* Enable MPU 1GHz and lower opps */
r = opp_enable(mpu_dev, 800000000);
@@ -484,8 +489,9 @@ static void __init beagle_opp_init(void)
opp_disable(iva_dev, 660000000);
}
}
- return;
+ return 0;
}
+device_initcall(beagle_opp_init);
static void __init omap3_beagle_init(void)
{
@@ -522,8 +528,6 @@ static void __init omap3_beagle_init(void)
/* Ensure SDRC pins are mux'd for self-refresh */
omap_mux_init_signal("sdrc_cke0", OMAP_PIN_OUTPUT);
omap_mux_init_signal("sdrc_cke1", OMAP_PIN_OUTPUT);
-
- beagle_opp_init();
}
MACHINE_START(OMAP3_BEAGLE, "OMAP3 Beagle Board")
diff --git a/arch/arm/mach-omap2/clock33xx_data.c b/arch/arm/mach-omap2/clock33xx_data.c
index 114ab4b8e0e3..1a45d6bd2539 100644
--- a/arch/arm/mach-omap2/clock33xx_data.c
+++ b/arch/arm/mach-omap2/clock33xx_data.c
@@ -1073,6 +1073,8 @@ static struct omap_clk am33xx_clks[] = {
CLK(NULL, "gfx_fck_div_ck", &gfx_fck_div_ck, CK_AM33XX),
CLK(NULL, "sysclkout_pre_ck", &sysclkout_pre_ck, CK_AM33XX),
CLK(NULL, "clkout2_ck", &clkout2_ck, CK_AM33XX),
+ CLK(NULL, "timer_32k_ck", &clkdiv32k_ick, CK_AM33XX),
+ CLK(NULL, "timer_sys_ck", &sys_clkin_ck, CK_AM33XX),
};
int __init am33xx_clk_init(void)
diff --git a/arch/arm/mach-omap2/clock44xx_data.c b/arch/arm/mach-omap2/clock44xx_data.c
index d661d138f270..6efc30c961a5 100644
--- a/arch/arm/mach-omap2/clock44xx_data.c
+++ b/arch/arm/mach-omap2/clock44xx_data.c
@@ -3294,7 +3294,7 @@ static struct omap_clk omap44xx_clks[] = {
CLK(NULL, "auxclk5_src_ck", &auxclk5_src_ck, CK_443X),
CLK(NULL, "auxclk5_ck", &auxclk5_ck, CK_443X),
CLK(NULL, "auxclkreq5_ck", &auxclkreq5_ck, CK_443X),
- CLK(NULL, "gpmc_ck", &dummy_ck, CK_443X),
+ CLK("omap-gpmc", "fck", &dummy_ck, CK_443X),
CLK("omap_i2c.1", "ick", &dummy_ck, CK_443X),
CLK("omap_i2c.2", "ick", &dummy_ck, CK_443X),
CLK("omap_i2c.3", "ick", &dummy_ck, CK_443X),
diff --git a/arch/arm/mach-omap2/clockdomain.c b/arch/arm/mach-omap2/clockdomain.c
index cbb879139c51..512e79a842cb 100644
--- a/arch/arm/mach-omap2/clockdomain.c
+++ b/arch/arm/mach-omap2/clockdomain.c
@@ -925,15 +925,18 @@ static int _clkdm_clk_hwmod_enable(struct clockdomain *clkdm)
if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_enable)
return -EINVAL;
+ spin_lock_irqsave(&clkdm->lock, flags);
+
/*
* For arch's with no autodeps, clkcm_clk_enable
* should be called for every clock instance or hwmod that is
* enabled, so the clkdm can be force woken up.
*/
- if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps)
+ if ((atomic_inc_return(&clkdm->usecount) > 1) && autodeps) {
+ spin_unlock_irqrestore(&clkdm->lock, flags);
return 0;
+ }
- spin_lock_irqsave(&clkdm->lock, flags);
arch_clkdm->clkdm_clk_enable(clkdm);
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
@@ -950,15 +953,19 @@ static int _clkdm_clk_hwmod_disable(struct clockdomain *clkdm)
if (!clkdm || !arch_clkdm || !arch_clkdm->clkdm_clk_disable)
return -EINVAL;
+ spin_lock_irqsave(&clkdm->lock, flags);
+
if (atomic_read(&clkdm->usecount) == 0) {
+ spin_unlock_irqrestore(&clkdm->lock, flags);
WARN_ON(1); /* underflow */
return -ERANGE;
}
- if (atomic_dec_return(&clkdm->usecount) > 0)
+ if (atomic_dec_return(&clkdm->usecount) > 0) {
+ spin_unlock_irqrestore(&clkdm->lock, flags);
return 0;
+ }
- spin_lock_irqsave(&clkdm->lock, flags);
arch_clkdm->clkdm_clk_disable(clkdm);
pwrdm_state_switch(clkdm->pwrdm.ptr);
spin_unlock_irqrestore(&clkdm->lock, flags);
diff --git a/arch/arm/mach-omap2/devices.c b/arch/arm/mach-omap2/devices.c
index c8c211731d26..cba60e05e32e 100644
--- a/arch/arm/mach-omap2/devices.c
+++ b/arch/arm/mach-omap2/devices.c
@@ -341,7 +341,7 @@ static void __init omap_init_dmic(void)
oh = omap_hwmod_lookup("dmic");
if (!oh) {
- printk(KERN_ERR "Could not look up mcpdm hw_mod\n");
+ pr_err("Could not look up dmic hw_mod\n");
return;
}
diff --git a/arch/arm/mach-omap2/gpmc.c b/arch/arm/mach-omap2/gpmc.c
index 5ac5cf30406a..92b5718fa722 100644
--- a/arch/arm/mach-omap2/gpmc.c
+++ b/arch/arm/mach-omap2/gpmc.c
@@ -868,9 +868,9 @@ static void __devexit gpmc_mem_exit(void)
}
-static void __devinit gpmc_mem_init(void)
+static int __devinit gpmc_mem_init(void)
{
- int cs;
+ int cs, rc;
unsigned long boot_rom_space = 0;
/* never allocate the first page, to facilitate bug detection;
@@ -890,13 +890,21 @@ static void __devinit gpmc_mem_init(void)
if (!gpmc_cs_mem_enabled(cs))
continue;
gpmc_cs_get_memconf(cs, &base, &size);
- if (gpmc_cs_insert_mem(cs, base, size) < 0)
- BUG();
+ rc = gpmc_cs_insert_mem(cs, base, size);
+ if (IS_ERR_VALUE(rc)) {
+ while (--cs >= 0)
+ if (gpmc_cs_mem_enabled(cs))
+ gpmc_cs_delete_mem(cs);
+ return rc;
+ }
}
+
+ return 0;
}
static __devinit int gpmc_probe(struct platform_device *pdev)
{
+ int rc;
u32 l;
struct resource *res;
@@ -936,7 +944,13 @@ static __devinit int gpmc_probe(struct platform_device *pdev)
dev_info(gpmc_dev, "GPMC revision %d.%d\n", GPMC_REVISION_MAJOR(l),
GPMC_REVISION_MINOR(l));
- gpmc_mem_init();
+ rc = gpmc_mem_init();
+ if (IS_ERR_VALUE(rc)) {
+ clk_disable_unprepare(gpmc_l3_clk);
+ clk_put(gpmc_l3_clk);
+ dev_err(gpmc_dev, "failed to reserve memory\n");
+ return rc;
+ }
if (IS_ERR_VALUE(gpmc_setup_irq()))
dev_warn(gpmc_dev, "gpmc_setup_irq failed\n");
diff --git a/arch/arm/mach-omap2/mux34xx.c b/arch/arm/mach-omap2/mux34xx.c
index 17f80e4ab162..c47140bbbec4 100644
--- a/arch/arm/mach-omap2/mux34xx.c
+++ b/arch/arm/mach-omap2/mux34xx.c
@@ -614,16 +614,16 @@ static struct omap_mux __initdata omap3_muxmodes[] = {
"sys_off_mode", NULL, NULL, NULL,
"gpio_9", NULL, NULL, "safe_mode"),
_OMAP3_MUXENTRY(UART1_CTS, 150,
- "uart1_cts", NULL, NULL, NULL,
+ "uart1_cts", "ssi1_rdy_tx", NULL, NULL,
"gpio_150", "hsusb3_tll_clk", NULL, "safe_mode"),
_OMAP3_MUXENTRY(UART1_RTS, 149,
- "uart1_rts", NULL, NULL, NULL,
+ "uart1_rts", "ssi1_flag_tx", NULL, NULL,
"gpio_149", NULL, NULL, "safe_mode"),
_OMAP3_MUXENTRY(UART1_RX, 151,
- "uart1_rx", NULL, "mcbsp1_clkr", "mcspi4_clk",
+ "uart1_rx", "ss1_wake_tx", "mcbsp1_clkr", "mcspi4_clk",
"gpio_151", NULL, NULL, "safe_mode"),
_OMAP3_MUXENTRY(UART1_TX, 148,
- "uart1_tx", NULL, NULL, NULL,
+ "uart1_tx", "ssi1_dat_tx", NULL, NULL,
"gpio_148", NULL, NULL, "safe_mode"),
_OMAP3_MUXENTRY(UART2_CTS, 144,
"uart2_cts", "mcbsp3_dx", "gpt9_pwm_evt", NULL,
diff --git a/arch/arm/mach-omap2/pm.h b/arch/arm/mach-omap2/pm.h
index 686137d164da..67d66131cfa7 100644
--- a/arch/arm/mach-omap2/pm.h
+++ b/arch/arm/mach-omap2/pm.h
@@ -91,6 +91,7 @@ extern void omap3_save_scratchpad_contents(void);
#define PM_RTA_ERRATUM_i608 (1 << 0)
#define PM_SDRC_WAKEUP_ERRATUM_i583 (1 << 1)
+#define PM_PER_MEMORIES_ERRATUM_i582 (1 << 2)
#if defined(CONFIG_PM) && defined(CONFIG_ARCH_OMAP3)
extern u16 pm34xx_errata;
diff --git a/arch/arm/mach-omap2/pm34xx.c b/arch/arm/mach-omap2/pm34xx.c
index ba670db1fd37..3a904de4313e 100644
--- a/arch/arm/mach-omap2/pm34xx.c
+++ b/arch/arm/mach-omap2/pm34xx.c
@@ -652,14 +652,17 @@ static void __init pm_errata_configure(void)
/* Enable the l2 cache toggling in sleep logic */
enable_omap3630_toggle_l2_on_restore();
if (omap_rev() < OMAP3630_REV_ES1_2)
- pm34xx_errata |= PM_SDRC_WAKEUP_ERRATUM_i583;
+ pm34xx_errata |= (PM_SDRC_WAKEUP_ERRATUM_i583 |
+ PM_PER_MEMORIES_ERRATUM_i582);
+ } else if (cpu_is_omap34xx()) {
+ pm34xx_errata |= PM_PER_MEMORIES_ERRATUM_i582;
}
}
int __init omap3_pm_init(void)
{
struct power_state *pwrst, *tmp;
- struct clockdomain *neon_clkdm, *mpu_clkdm;
+ struct clockdomain *neon_clkdm, *mpu_clkdm, *per_clkdm, *wkup_clkdm;
int ret;
if (!omap3_has_io_chain_ctrl())
@@ -711,6 +714,8 @@ int __init omap3_pm_init(void)
neon_clkdm = clkdm_lookup("neon_clkdm");
mpu_clkdm = clkdm_lookup("mpu_clkdm");
+ per_clkdm = clkdm_lookup("per_clkdm");
+ wkup_clkdm = clkdm_lookup("wkup_clkdm");
#ifdef CONFIG_SUSPEND
omap_pm_suspend = omap3_pm_suspend;
@@ -727,6 +732,27 @@ int __init omap3_pm_init(void)
if (IS_PM34XX_ERRATUM(PM_RTA_ERRATUM_i608))
omap3630_ctrl_disable_rta();
+ /*
+ * The UART3/4 FIFO and the sidetone memory in McBSP2/3 are
+ * not correctly reset when the PER powerdomain comes back
+ * from OFF or OSWR when the CORE powerdomain is kept active.
+ * See OMAP36xx Erratum i582 "PER Domain reset issue after
+ * Domain-OFF/OSWR Wakeup". This wakeup dependency is not a
+ * complete workaround. The kernel must also prevent the PER
+ * powerdomain from going to OSWR/OFF while the CORE
+ * powerdomain is not going to OSWR/OFF. And if PER last
+ * power state was off while CORE last power state was ON, the
+ * UART3/4 and McBSP2/3 SIDETONE devices need to run a
+ * self-test using their loopback tests; if that fails, those
+ * devices are unusable until the PER/CORE can complete a transition
+ * from ON to OSWR/OFF and then back to ON.
+ *
+ * XXX Technically this workaround is only needed if off-mode
+ * or OSWR is enabled.
+ */
+ if (IS_PM34XX_ERRATUM(PM_PER_MEMORIES_ERRATUM_i582))
+ clkdm_add_wkdep(per_clkdm, wkup_clkdm);
+
clkdm_add_wkdep(neon_clkdm, mpu_clkdm);
if (omap_type() != OMAP2_DEVICE_TYPE_GP) {
omap3_secure_ram_storage =
diff --git a/arch/arm/mach-omap2/serial.c b/arch/arm/mach-omap2/serial.c
index 0405c8190803..a507cd6cf4f1 100644
--- a/arch/arm/mach-omap2/serial.c
+++ b/arch/arm/mach-omap2/serial.c
@@ -329,6 +329,11 @@ void __init omap_serial_init_port(struct omap_board_data *bdata,
oh->mux = omap_hwmod_mux_init(bdata->pads, bdata->pads_cnt);
+ if (console_uart_id == bdata->id) {
+ omap_device_enable(pdev);
+ pm_runtime_set_active(&pdev->dev);
+ }
+
oh->dev_attr = uart;
if (((cpu_is_omap34xx() || cpu_is_omap44xx()) && bdata->pads)
diff --git a/arch/arm/mach-omap2/timer.c b/arch/arm/mach-omap2/timer.c
index 44f9aa7ec0c0..69e46631a7cd 100644
--- a/arch/arm/mach-omap2/timer.c
+++ b/arch/arm/mach-omap2/timer.c
@@ -467,7 +467,7 @@ OMAP_SYS_TIMER(3_am33xx)
#ifdef CONFIG_ARCH_OMAP4
#ifdef CONFIG_LOCAL_TIMERS
static DEFINE_TWD_LOCAL_TIMER(twd_local_timer,
- OMAP44XX_LOCAL_TWD_BASE, 29 + OMAP_INTC_START);
+ OMAP44XX_LOCAL_TWD_BASE, 29);
#endif
static void __init omap4_timer_init(void)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-24 19:37:10 +0100