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-rw-r--r--arch/blackfin/kernel/Makefile1
-rw-r--r--arch/blackfin/kernel/asm-offsets.c10
-rw-r--r--arch/blackfin/kernel/bfin_gpio.c26
-rw-r--r--arch/blackfin/kernel/debug-mmrs.c109
-rw-r--r--arch/blackfin/kernel/ftrace.c2
-rw-r--r--arch/blackfin/kernel/gptimers.c93
-rw-r--r--arch/blackfin/kernel/ipipe.c2
-rw-r--r--arch/blackfin/kernel/module.c21
-rw-r--r--arch/blackfin/kernel/nmi.c2
-rw-r--r--arch/blackfin/kernel/process.c1
-rw-r--r--arch/blackfin/kernel/pwm.c100
-rw-r--r--arch/blackfin/kernel/reboot.c4
-rw-r--r--arch/blackfin/kernel/setup.c16
-rw-r--r--arch/blackfin/kernel/time.c4
-rw-r--r--arch/blackfin/kernel/vmlinux.lds.S1
15 files changed, 263 insertions, 129 deletions
diff --git a/arch/blackfin/kernel/Makefile b/arch/blackfin/kernel/Makefile
index d550b24d9e9..b7bdc42fe1a 100644
--- a/arch/blackfin/kernel/Makefile
+++ b/arch/blackfin/kernel/Makefile
@@ -21,6 +21,7 @@ obj-$(CONFIG_FUNCTION_TRACER) += ftrace-entry.o
obj-$(CONFIG_FUNCTION_GRAPH_TRACER) += ftrace.o
CFLAGS_REMOVE_ftrace.o = -pg
+obj-$(CONFIG_HAVE_PWM) += pwm.o
obj-$(CONFIG_IPIPE) += ipipe.o
obj-$(CONFIG_BFIN_GPTIMERS) += gptimers.o
obj-$(CONFIG_CPLB_INFO) += cplbinfo.o
diff --git a/arch/blackfin/kernel/asm-offsets.c b/arch/blackfin/kernel/asm-offsets.c
index bd32c09b934..17e35465a41 100644
--- a/arch/blackfin/kernel/asm-offsets.c
+++ b/arch/blackfin/kernel/asm-offsets.c
@@ -138,6 +138,16 @@ int main(void)
DEFINE(PDA_DF_SEQSTAT, offsetof(struct blackfin_pda, seqstat_doublefault));
DEFINE(PDA_DF_RETX, offsetof(struct blackfin_pda, retx_doublefault));
#endif
+
+ /* PDA initial management */
+ DEFINE(PDA_INIT_RETX, offsetof(struct blackfin_initial_pda, retx));
+#ifdef CONFIG_DEBUG_DOUBLEFAULT
+ DEFINE(PDA_INIT_DF_DCPLB, offsetof(struct blackfin_initial_pda, dcplb_doublefault_addr));
+ DEFINE(PDA_INIT_DF_ICPLB, offsetof(struct blackfin_initial_pda, icplb_doublefault_addr));
+ DEFINE(PDA_INIT_DF_SEQSTAT, offsetof(struct blackfin_initial_pda, seqstat_doublefault));
+ DEFINE(PDA_INIT_DF_RETX, offsetof(struct blackfin_initial_pda, retx_doublefault));
+#endif
+
#ifdef CONFIG_SMP
/* Inter-core lock (in L2 SRAM) */
DEFINE(SIZEOF_CORELOCK, sizeof(struct corelock_slot));
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index bcf8cf6fe41..02796b88443 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -118,6 +118,9 @@ static struct str_ident {
#if defined(CONFIG_PM)
static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
+# ifdef BF538_FAMILY
+static unsigned short port_fer_saved[3];
+# endif
#endif
static void gpio_error(unsigned gpio)
@@ -604,6 +607,11 @@ void bfin_gpio_pm_hibernate_suspend(void)
{
int i, bank;
+#ifdef BF538_FAMILY
+ for (i = 0; i < ARRAY_SIZE(port_fer_saved); ++i)
+ port_fer_saved[i] = *port_fer[i];
+#endif
+
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
@@ -625,6 +633,10 @@ void bfin_gpio_pm_hibernate_suspend(void)
gpio_bank_saved[bank].maska = gpio_array[bank]->maska;
}
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+ bfin_special_gpio_pm_hibernate_suspend();
+#endif
+
AWA_DUMMY_READ(maska);
}
@@ -632,6 +644,11 @@ void bfin_gpio_pm_hibernate_restore(void)
{
int i, bank;
+#ifdef BF538_FAMILY
+ for (i = 0; i < ARRAY_SIZE(port_fer_saved); ++i)
+ *port_fer[i] = port_fer_saved[i];
+#endif
+
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
@@ -653,6 +670,11 @@ void bfin_gpio_pm_hibernate_restore(void)
gpio_array[bank]->both = gpio_bank_saved[bank].both;
gpio_array[bank]->maska = gpio_bank_saved[bank].maska;
}
+
+#ifdef BFIN_SPECIAL_GPIO_BANKS
+ bfin_special_gpio_pm_hibernate_restore();
+#endif
+
AWA_DUMMY_READ(maska);
}
@@ -691,9 +713,9 @@ void bfin_gpio_pm_hibernate_restore(void)
gpio_array[bank]->port_mux = gpio_bank_saved[bank].mux;
gpio_array[bank]->port_fer = gpio_bank_saved[bank].fer;
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
- gpio_array[bank]->dir_set = gpio_bank_saved[bank].dir;
gpio_array[bank]->data_set = gpio_bank_saved[bank].data
- | gpio_bank_saved[bank].dir;
+ & gpio_bank_saved[bank].dir;
+ gpio_array[bank]->dir_set = gpio_bank_saved[bank].dir;
}
}
#endif
diff --git a/arch/blackfin/kernel/debug-mmrs.c b/arch/blackfin/kernel/debug-mmrs.c
index fce4807ceef..92f66482628 100644
--- a/arch/blackfin/kernel/debug-mmrs.c
+++ b/arch/blackfin/kernel/debug-mmrs.c
@@ -27,7 +27,7 @@
#define PORT_MUX BFIN_PORT_MUX
#endif
-#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)addr)
+#define _d(name, bits, addr, perms) debugfs_create_x##bits(name, perms, parent, (u##bits *)(addr))
#define d(name, bits, addr) _d(name, bits, addr, S_IRUSR|S_IWUSR)
#define d_RO(name, bits, addr) _d(name, bits, addr, S_IRUSR)
#define d_WO(name, bits, addr) _d(name, bits, addr, S_IWUSR)
@@ -223,7 +223,8 @@ bfin_debug_mmrs_dma(struct dentry *parent, unsigned long base, int num, char mdm
__DMA(CURR_DESC_PTR, curr_desc_ptr);
__DMA(CURR_ADDR, curr_addr);
__DMA(IRQ_STATUS, irq_status);
- __DMA(PERIPHERAL_MAP, peripheral_map);
+ if (strcmp(pfx, "IMDMA") != 0)
+ __DMA(PERIPHERAL_MAP, peripheral_map);
__DMA(CURR_X_COUNT, curr_x_count);
__DMA(CURR_Y_COUNT, curr_y_count);
}
@@ -277,6 +278,32 @@ bfin_debug_mmrs_gptimer(struct dentry *parent, unsigned long base, int num)
}
#define GPTIMER(num) bfin_debug_mmrs_gptimer(parent, TIMER##num##_CONFIG, num)
+#define GPTIMER_GROUP_OFF(mmr) REGS_OFF(gptimer_group, mmr)
+#define __GPTIMER_GROUP(uname, lname) __REGS(gptimer_group, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_gptimer_group(struct dentry *parent, unsigned long base, int num)
+{
+ char buf[32], *_buf;
+
+ if (num == -1) {
+ _buf = buf + sprintf(buf, "TIMER_");
+ __GPTIMER_GROUP(ENABLE, enable);
+ __GPTIMER_GROUP(DISABLE, disable);
+ __GPTIMER_GROUP(STATUS, status);
+ } else {
+ /* These MMRs are a bit odd as the group # is a suffix */
+ _buf = buf + sprintf(buf, "TIMER_ENABLE%i", num);
+ d(buf, 16, base + GPTIMER_GROUP_OFF(enable));
+
+ _buf = buf + sprintf(buf, "TIMER_DISABLE%i", num);
+ d(buf, 16, base + GPTIMER_GROUP_OFF(disable));
+
+ _buf = buf + sprintf(buf, "TIMER_STATUS%i", num);
+ d(buf, 32, base + GPTIMER_GROUP_OFF(status));
+ }
+}
+#define GPTIMER_GROUP(mmr, num) bfin_debug_mmrs_gptimer_group(parent, mmr, num)
+
/*
* Handshake MDMA
*/
@@ -296,6 +323,29 @@ bfin_debug_mmrs_hmdma(struct dentry *parent, unsigned long base, int num)
#define HMDMA(num) bfin_debug_mmrs_hmdma(parent, HMDMA##num##_CONTROL, num)
/*
+ * Peripheral Interrupts (PINT/GPIO)
+ */
+#ifdef PINT0_MASK_SET
+#define __PINT(uname, lname) __REGS(pint, #uname, lname)
+static void __init __maybe_unused
+bfin_debug_mmrs_pint(struct dentry *parent, unsigned long base, int num)
+{
+ char buf[32], *_buf = REGS_STR_PFX(buf, PINT, num);
+ __PINT(MASK_SET, mask_set);
+ __PINT(MASK_CLEAR, mask_clear);
+ __PINT(REQUEST, request);
+ __PINT(ASSIGN, assign);
+ __PINT(EDGE_SET, edge_set);
+ __PINT(EDGE_CLEAR, edge_clear);
+ __PINT(INVERT_SET, invert_set);
+ __PINT(INVERT_CLEAR, invert_clear);
+ __PINT(PINSTATE, pinstate);
+ __PINT(LATCH, latch);
+}
+#define PINT(num) bfin_debug_mmrs_pint(parent, PINT##num##_MASK_SET, num)
+#endif
+
+/*
* Port/GPIO
*/
#define bfin_gpio_regs gpio_port_t
@@ -747,7 +797,7 @@ static int __init bfin_debug_mmrs_init(void)
#endif
parent = debugfs_create_dir("dmac", top);
-#ifdef DMA_TC_CNT
+#ifdef DMAC_TC_CNT
D16(DMAC_TC_CNT);
D16(DMAC_TC_PER);
#endif
@@ -1005,29 +1055,19 @@ static int __init bfin_debug_mmrs_init(void)
#endif
parent = debugfs_create_dir("gptimer", top);
-#ifdef TIMER_DISABLE
- D16(TIMER_DISABLE);
- D16(TIMER_ENABLE);
- D32(TIMER_STATUS);
+#ifdef TIMER_ENABLE
+ GPTIMER_GROUP(TIMER_ENABLE, -1);
#endif
-#ifdef TIMER_DISABLE0
- D16(TIMER_DISABLE0);
- D16(TIMER_ENABLE0);
- D32(TIMER_STATUS0);
+#ifdef TIMER_ENABLE0
+ GPTIMER_GROUP(TIMER_ENABLE0, 0);
#endif
-#ifdef TIMER_DISABLE1
- D16(TIMER_DISABLE1);
- D16(TIMER_ENABLE1);
- D32(TIMER_STATUS1);
+#ifdef TIMER_ENABLE1
+ GPTIMER_GROUP(TIMER_ENABLE1, 1);
#endif
/* XXX: Should convert BF561 MMR names */
#ifdef TMRS4_DISABLE
- D16(TMRS4_DISABLE);
- D16(TMRS4_ENABLE);
- D32(TMRS4_STATUS);
- D16(TMRS8_DISABLE);
- D16(TMRS8_ENABLE);
- D32(TMRS8_STATUS);
+ GPTIMER_GROUP(TMRS4_ENABLE, 0);
+ GPTIMER_GROUP(TMRS8_ENABLE, 1);
#endif
GPTIMER(0);
GPTIMER(1);
@@ -1253,6 +1293,14 @@ static int __init bfin_debug_mmrs_init(void)
D32(OTP_DATA3);
#endif
+#ifdef PINT0_MASK_SET
+ parent = debugfs_create_dir("pint", top);
+ PINT(0);
+ PINT(1);
+ PINT(2);
+ PINT(3);
+#endif
+
#ifdef PIXC_CTL
parent = debugfs_create_dir("pixc", top);
D16(PIXC_CTL);
@@ -1816,7 +1864,6 @@ static int __init bfin_debug_mmrs_init(void)
{
int num;
unsigned long base;
- char *_buf, buf[32];
base = PORTA_FER;
for (num = 0; num < 10; ++num) {
@@ -1824,24 +1871,6 @@ static int __init bfin_debug_mmrs_init(void)
base += sizeof(struct bfin_gpio_regs);
}
-#define __PINT(uname, lname) __REGS(pint, #uname, lname)
- parent = debugfs_create_dir("pint", top);
- base = PINT0_MASK_SET;
- for (num = 0; num < 4; ++num) {
- _buf = REGS_STR_PFX(buf, PINT, num);
- __PINT(MASK_SET, mask_set);
- __PINT(MASK_CLEAR, mask_clear);
- __PINT(IRQ, irq);
- __PINT(ASSIGN, assign);
- __PINT(EDGE_SET, edge_set);
- __PINT(EDGE_CLEAR, edge_clear);
- __PINT(INVERT_SET, invert_set);
- __PINT(INVERT_CLEAR, invert_clear);
- __PINT(PINSTATE, pinstate);
- __PINT(LATCH, latch);
- base += sizeof(struct bfin_pint_regs);
- }
-
}
#endif /* BF54x */
diff --git a/arch/blackfin/kernel/ftrace.c b/arch/blackfin/kernel/ftrace.c
index 48808a12b42..9277905b82c 100644
--- a/arch/blackfin/kernel/ftrace.c
+++ b/arch/blackfin/kernel/ftrace.c
@@ -9,7 +9,7 @@
#include <linux/kernel.h>
#include <linux/sched.h>
#include <linux/uaccess.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/cacheflush.h>
#ifdef CONFIG_DYNAMIC_FTRACE
diff --git a/arch/blackfin/kernel/gptimers.c b/arch/blackfin/kernel/gptimers.c
index 8b81dc04488..06459f4bf43 100644
--- a/arch/blackfin/kernel/gptimers.c
+++ b/arch/blackfin/kernel/gptimers.c
@@ -25,49 +25,33 @@
#define BFIN_TIMER_NUM_GROUP (BFIN_TIMER_OCTET(MAX_BLACKFIN_GPTIMERS - 1) + 1)
-typedef struct {
- uint16_t config;
- uint16_t __pad;
- uint32_t counter;
- uint32_t period;
- uint32_t width;
-} GPTIMER_timer_regs;
-
-typedef struct {
- uint16_t enable;
- uint16_t __pad0;
- uint16_t disable;
- uint16_t __pad1;
- uint32_t status;
-} GPTIMER_group_regs;
-
-static volatile GPTIMER_timer_regs *const timer_regs[MAX_BLACKFIN_GPTIMERS] =
+static struct bfin_gptimer_regs * const timer_regs[MAX_BLACKFIN_GPTIMERS] =
{
- (GPTIMER_timer_regs *)TIMER0_CONFIG,
- (GPTIMER_timer_regs *)TIMER1_CONFIG,
- (GPTIMER_timer_regs *)TIMER2_CONFIG,
+ (void *)TIMER0_CONFIG,
+ (void *)TIMER1_CONFIG,
+ (void *)TIMER2_CONFIG,
#if (MAX_BLACKFIN_GPTIMERS > 3)
- (GPTIMER_timer_regs *)TIMER3_CONFIG,
- (GPTIMER_timer_regs *)TIMER4_CONFIG,
- (GPTIMER_timer_regs *)TIMER5_CONFIG,
- (GPTIMER_timer_regs *)TIMER6_CONFIG,
- (GPTIMER_timer_regs *)TIMER7_CONFIG,
+ (void *)TIMER3_CONFIG,
+ (void *)TIMER4_CONFIG,
+ (void *)TIMER5_CONFIG,
+ (void *)TIMER6_CONFIG,
+ (void *)TIMER7_CONFIG,
# if (MAX_BLACKFIN_GPTIMERS > 8)
- (GPTIMER_timer_regs *)TIMER8_CONFIG,
- (GPTIMER_timer_regs *)TIMER9_CONFIG,
- (GPTIMER_timer_regs *)TIMER10_CONFIG,
+ (void *)TIMER8_CONFIG,
+ (void *)TIMER9_CONFIG,
+ (void *)TIMER10_CONFIG,
# if (MAX_BLACKFIN_GPTIMERS > 11)
- (GPTIMER_timer_regs *)TIMER11_CONFIG,
+ (void *)TIMER11_CONFIG,
# endif
# endif
#endif
};
-static volatile GPTIMER_group_regs *const group_regs[BFIN_TIMER_NUM_GROUP] =
+static struct bfin_gptimer_group_regs * const group_regs[BFIN_TIMER_NUM_GROUP] =
{
- (GPTIMER_group_regs *)TIMER0_GROUP_REG,
+ (void *)TIMER0_GROUP_REG,
#if (MAX_BLACKFIN_GPTIMERS > 8)
- (GPTIMER_group_regs *)TIMER8_GROUP_REG,
+ (void *)TIMER8_GROUP_REG,
#endif
};
@@ -140,7 +124,7 @@ static uint32_t const timil_mask[MAX_BLACKFIN_GPTIMERS] =
void set_gptimer_pwidth(unsigned int timer_id, uint32_t value)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- timer_regs[timer_id]->width = value;
+ bfin_write(&timer_regs[timer_id]->width, value);
SSYNC();
}
EXPORT_SYMBOL(set_gptimer_pwidth);
@@ -148,14 +132,14 @@ EXPORT_SYMBOL(set_gptimer_pwidth);
uint32_t get_gptimer_pwidth(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return timer_regs[timer_id]->width;
+ return bfin_read(&timer_regs[timer_id]->width);
}
EXPORT_SYMBOL(get_gptimer_pwidth);
void set_gptimer_period(unsigned int timer_id, uint32_t period)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- timer_regs[timer_id]->period = period;
+ bfin_write(&timer_regs[timer_id]->period, period);
SSYNC();
}
EXPORT_SYMBOL(set_gptimer_period);
@@ -163,71 +147,76 @@ EXPORT_SYMBOL(set_gptimer_period);
uint32_t get_gptimer_period(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return timer_regs[timer_id]->period;
+ return bfin_read(&timer_regs[timer_id]->period);
}
EXPORT_SYMBOL(get_gptimer_period);
uint32_t get_gptimer_count(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return timer_regs[timer_id]->counter;
+ return bfin_read(&timer_regs[timer_id]->counter);
}
EXPORT_SYMBOL(get_gptimer_count);
uint32_t get_gptimer_status(unsigned int group)
{
tassert(group < BFIN_TIMER_NUM_GROUP);
- return group_regs[group]->status;
+ return bfin_read(&group_regs[group]->status);
}
EXPORT_SYMBOL(get_gptimer_status);
void set_gptimer_status(unsigned int group, uint32_t value)
{
tassert(group < BFIN_TIMER_NUM_GROUP);
- group_regs[group]->status = value;
+ bfin_write(&group_regs[group]->status, value);
SSYNC();
}
EXPORT_SYMBOL(set_gptimer_status);
+static uint32_t read_gptimer_status(unsigned int timer_id)
+{
+ return bfin_read(&group_regs[BFIN_TIMER_OCTET(timer_id)]->status);
+}
+
int get_gptimer_intr(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return !!(group_regs[BFIN_TIMER_OCTET(timer_id)]->status & timil_mask[timer_id]);
+ return !!(read_gptimer_status(timer_id) & timil_mask[timer_id]);
}
EXPORT_SYMBOL(get_gptimer_intr);
void clear_gptimer_intr(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- group_regs[BFIN_TIMER_OCTET(timer_id)]->status = timil_mask[timer_id];
+ bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->status, timil_mask[timer_id]);
}
EXPORT_SYMBOL(clear_gptimer_intr);
int get_gptimer_over(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return !!(group_regs[BFIN_TIMER_OCTET(timer_id)]->status & tovf_mask[timer_id]);
+ return !!(read_gptimer_status(timer_id) & tovf_mask[timer_id]);
}
EXPORT_SYMBOL(get_gptimer_over);
void clear_gptimer_over(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- group_regs[BFIN_TIMER_OCTET(timer_id)]->status = tovf_mask[timer_id];
+ bfin_write(&group_regs[BFIN_TIMER_OCTET(timer_id)]->status, tovf_mask[timer_id]);
}
EXPORT_SYMBOL(clear_gptimer_over);
int get_gptimer_run(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return !!(group_regs[BFIN_TIMER_OCTET(timer_id)]->status & trun_mask[timer_id]);
+ return !!(read_gptimer_status(timer_id) & trun_mask[timer_id]);
}
EXPORT_SYMBOL(get_gptimer_run);
void set_gptimer_config(unsigned int timer_id, uint16_t config)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- timer_regs[timer_id]->config = config;
+ bfin_write(&timer_regs[timer_id]->config, config);
SSYNC();
}
EXPORT_SYMBOL(set_gptimer_config);
@@ -235,7 +224,7 @@ EXPORT_SYMBOL(set_gptimer_config);
uint16_t get_gptimer_config(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- return timer_regs[timer_id]->config;
+ return bfin_read(&timer_regs[timer_id]->config);
}
EXPORT_SYMBOL(get_gptimer_config);
@@ -244,7 +233,7 @@ void enable_gptimers(uint16_t mask)
int i;
tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
- group_regs[i]->enable = mask & 0xFF;
+ bfin_write(&group_regs[i]->enable, mask & 0xFF);
mask >>= 8;
}
SSYNC();
@@ -257,7 +246,7 @@ static void _disable_gptimers(uint16_t mask)
uint16_t m = mask;
tassert((mask & ~BLACKFIN_GPTIMER_IDMASK) == 0);
for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i) {
- group_regs[i]->disable = m & 0xFF;
+ bfin_write(&group_regs[i]->disable, m & 0xFF);
m >>= 8;
}
}
@@ -268,7 +257,7 @@ void disable_gptimers(uint16_t mask)
_disable_gptimers(mask);
for (i = 0; i < MAX_BLACKFIN_GPTIMERS; ++i)
if (mask & (1 << i))
- group_regs[BFIN_TIMER_OCTET(i)]->status = trun_mask[i];
+ bfin_write(&group_regs[BFIN_TIMER_OCTET(i)]->status, trun_mask[i]);
SSYNC();
}
EXPORT_SYMBOL(disable_gptimers);
@@ -283,7 +272,7 @@ EXPORT_SYMBOL(disable_gptimers_sync);
void set_gptimer_pulse_hi(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- timer_regs[timer_id]->config |= TIMER_PULSE_HI;
+ bfin_write_or(&timer_regs[timer_id]->config, TIMER_PULSE_HI);
SSYNC();
}
EXPORT_SYMBOL(set_gptimer_pulse_hi);
@@ -291,7 +280,7 @@ EXPORT_SYMBOL(set_gptimer_pulse_hi);
void clear_gptimer_pulse_hi(unsigned int timer_id)
{
tassert(timer_id < MAX_BLACKFIN_GPTIMERS);
- timer_regs[timer_id]->config &= ~TIMER_PULSE_HI;
+ bfin_write_and(&timer_regs[timer_id]->config, ~TIMER_PULSE_HI);
SSYNC();
}
EXPORT_SYMBOL(clear_gptimer_pulse_hi);
@@ -301,7 +290,7 @@ uint16_t get_enabled_gptimers(void)
int i;
uint16_t result = 0;
for (i = 0; i < BFIN_TIMER_NUM_GROUP; ++i)
- result |= (group_regs[i]->enable << (i << 3));
+ result |= (bfin_read(&group_regs[i]->enable) << (i << 3));
return result;
}
EXPORT_SYMBOL(get_enabled_gptimers);
diff --git a/arch/blackfin/kernel/ipipe.c b/arch/blackfin/kernel/ipipe.c
index 486426f8a0d..dbe11220cc5 100644
--- a/arch/blackfin/kernel/ipipe.c
+++ b/arch/blackfin/kernel/ipipe.c
@@ -32,7 +32,7 @@
#include <linux/unistd.h>
#include <linux/io.h>
#include <asm/system.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/irq_handler.h>
DEFINE_PER_CPU(struct pt_regs, __ipipe_tick_regs);
diff --git a/arch/blackfin/kernel/module.c b/arch/blackfin/kernel/module.c
index 35e350cad9d..4489efc5288 100644
--- a/arch/blackfin/kernel/module.c
+++ b/arch/blackfin/kernel/module.c
@@ -16,19 +16,6 @@
#include <asm/cacheflush.h>
#include <asm/uaccess.h>
-void *module_alloc(unsigned long size)
-{
- if (size == 0)
- return NULL;
- return vmalloc(size);
-}
-
-/* Free memory returned from module_alloc */
-void module_free(struct module *mod, void *module_region)
-{
- vfree(module_region);
-}
-
/* Transfer the section to the L1 memory */
int
module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
@@ -150,14 +137,6 @@ module_frob_arch_sections(Elf_Ehdr *hdr, Elf_Shdr *sechdrs,
return 0;
}
-int
-apply_relocate(Elf_Shdr * sechdrs, const char *strtab,
- unsigned int symindex, unsigned int relsec, struct module *mod)
-{
- pr_err(".rel unsupported\n");
- return -ENOEXEC;
-}
-
/*************************************************************************/
/* FUNCTION : apply_relocate_add */
/* ABSTRACT : Blackfin specific relocation handling for the loadable */
diff --git a/arch/blackfin/kernel/nmi.c b/arch/blackfin/kernel/nmi.c
index 679d0db3525..9919d29287d 100644
--- a/arch/blackfin/kernel/nmi.c
+++ b/arch/blackfin/kernel/nmi.c
@@ -18,7 +18,7 @@
#include <linux/smp.h>
#include <linux/timer.h>
#include <asm/blackfin.h>
-#include <asm/atomic.h>
+#include <linux/atomic.h>
#include <asm/cacheflush.h>
#include <asm/bfin_watchdog.h>
diff --git a/arch/blackfin/kernel/process.c b/arch/blackfin/kernel/process.c
index 6a660fa921b..6a80a9e9fc4 100644
--- a/arch/blackfin/kernel/process.c
+++ b/arch/blackfin/kernel/process.c
@@ -140,7 +140,6 @@ EXPORT_SYMBOL(kernel_thread);
*/
void start_thread(struct pt_regs *regs, unsigned long new_ip, unsigned long new_sp)
{
- set_fs(USER_DS);
regs->pc = new_ip;
if (current->mm)
regs->p5 = current->mm->start_data;
diff --git a/arch/blackfin/kernel/pwm.c b/arch/blackfin/kernel/pwm.c
new file mode 100644
index 00000000000..33f5942733b
--- /dev/null
+++ b/arch/blackfin/kernel/pwm.c
@@ -0,0 +1,100 @@
+/*
+ * Blackfin Pulse Width Modulation (PWM) core
+ *
+ * Copyright (c) 2011 Analog Devices Inc.
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <linux/module.h>
+#include <linux/pwm.h>
+#include <linux/slab.h>
+
+#include <asm/gptimers.h>
+#include <asm/portmux.h>
+
+struct pwm_device {
+ unsigned id;
+ unsigned short pin;
+};
+
+static const unsigned short pwm_to_gptimer_per[] = {
+ P_TMR0, P_TMR1, P_TMR2, P_TMR3, P_TMR4, P_TMR5,
+ P_TMR6, P_TMR7, P_TMR8, P_TMR9, P_TMR10, P_TMR11,
+};
+
+struct pwm_device *pwm_request(int pwm_id, const char *label)
+{
+ struct pwm_device *pwm;
+ int ret;
+
+ /* XXX: pwm_id really should be unsigned */
+ if (pwm_id < 0)
+ return NULL;
+
+ pwm = kzalloc(sizeof(*pwm), GFP_KERNEL);
+ if (!pwm)
+ return pwm;
+
+ pwm->id = pwm_id;
+ if (pwm->id >= ARRAY_SIZE(pwm_to_gptimer_per))
+ goto err;
+
+ pwm->pin = pwm_to_gptimer_per[pwm->id];
+ ret = peripheral_request(pwm->pin, label);
+ if (ret)
+ goto err;
+
+ return pwm;
+ err:
+ kfree(pwm);
+ return NULL;
+}
+EXPORT_SYMBOL(pwm_request);
+
+void pwm_free(struct pwm_device *pwm)
+{
+ peripheral_free(pwm->pin);
+ kfree(pwm);
+}
+EXPORT_SYMBOL(pwm_free);
+
+int pwm_config(struct pwm_device *pwm, int duty_ns, int period_ns)
+{
+ unsigned long period, duty;
+ unsigned long long val;
+
+ if (duty_ns < 0 || duty_ns > period_ns)
+ return -EINVAL;
+
+ val = (unsigned long long)get_sclk() * period_ns;
+ do_div(val, NSEC_PER_SEC);
+ period = val;
+
+ val = (unsigned long long)period * duty_ns;
+ do_div(val, period_ns);
+ duty = period - val;
+
+ if (duty >= period)
+ duty = period - 1;
+
+ set_gptimer_config(pwm->id, TIMER_MODE_PWM | TIMER_PERIOD_CNT);
+ set_gptimer_pwidth(pwm->id, duty);
+ set_gptimer_period(pwm->id, period);
+
+ return 0;
+}
+EXPORT_SYMBOL(pwm_config);
+
+int pwm_enable(struct pwm_device *pwm)
+{
+ enable_gptimer(pwm->id);
+ return 0;
+}
+EXPORT_SYMBOL(pwm_enable);
+
+void pwm_disable(struct pwm_device *pwm)
+{
+ disable_gptimer(pwm->id);
+}
+EXPORT_SYMBOL(pwm_disable);
diff --git a/arch/blackfin/kernel/reboot.c b/arch/blackfin/kernel/reboot.c
index 488bdc51aaa..c4c0081b199 100644
--- a/arch/blackfin/kernel/reboot.c
+++ b/arch/blackfin/kernel/reboot.c
@@ -54,7 +54,9 @@ static void bfin_reset(void)
/* The BF526 ROM will crash during reset */
#if defined(__ADSPBF522__) || defined(__ADSPBF524__) || defined(__ADSPBF526__)
- bfin_read_SWRST();
+ /* Seems to be fixed with newer parts though ... */
+ if (__SILICON_REVISION__ < 1 && bfin_revid() < 1)
+ bfin_read_SWRST();
#endif
/* Wait for the SWRST write to complete. Cannot rely on SSYNC
diff --git a/arch/blackfin/kernel/setup.c b/arch/blackfin/kernel/setup.c
index 536bd9d7e0c..dfa2525a442 100644
--- a/arch/blackfin/kernel/setup.c
+++ b/arch/blackfin/kernel/setup.c
@@ -54,8 +54,7 @@ EXPORT_SYMBOL(mtd_size);
#endif
char __initdata command_line[COMMAND_LINE_SIZE];
-void __initdata *init_retx, *init_saved_retx, *init_saved_seqstat,
- *init_saved_icplb_fault_addr, *init_saved_dcplb_fault_addr;
+struct blackfin_initial_pda __initdata initial_pda;
/* boot memmap, for parsing "memmap=" */
#define BFIN_MEMMAP_MAX 128 /* number of entries in bfin_memmap */
@@ -957,13 +956,16 @@ void __init setup_arch(char **cmdline_p)
printk(KERN_EMERG "Recovering from DOUBLE FAULT event\n");
#ifdef CONFIG_DEBUG_DOUBLEFAULT
/* We assume the crashing kernel, and the current symbol table match */
- printk(KERN_EMERG " While handling exception (EXCAUSE = 0x%x) at %pF\n",
- (int)init_saved_seqstat & SEQSTAT_EXCAUSE, init_saved_retx);
- printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %pF\n", init_saved_dcplb_fault_addr);
- printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %pF\n", init_saved_icplb_fault_addr);
+ printk(KERN_EMERG " While handling exception (EXCAUSE = %#x) at %pF\n",
+ initial_pda.seqstat_doublefault & SEQSTAT_EXCAUSE,
+ initial_pda.retx_doublefault);
+ printk(KERN_NOTICE " DCPLB_FAULT_ADDR: %pF\n",
+ initial_pda.dcplb_doublefault_addr);
+ printk(KERN_NOTICE " ICPLB_FAULT_ADDR: %pF\n",
+ initial_pda.icplb_doublefault_addr);
#endif
printk(KERN_NOTICE " The instruction at %pF caused a double exception\n",
- init_retx);
+ initial_pda.retx);
} else if (_bfin_swrst & RESET_WDOG)
printk(KERN_INFO "Recovering from Watchdog event\n");
else if (_bfin_swrst & RESET_SOFTWARE)
diff --git a/arch/blackfin/kernel/time.c b/arch/blackfin/kernel/time.c
index 8d73724c009..ceb2bf63dfe 100644
--- a/arch/blackfin/kernel/time.c
+++ b/arch/blackfin/kernel/time.c
@@ -51,7 +51,7 @@ void __init setup_core_timer(void)
u32 tcount;
/* power up the timer, but don't enable it just yet */
- bfin_write_TCNTL(1);
+ bfin_write_TCNTL(TMPWR);
CSYNC();
/* the TSCALE prescaler counter */
@@ -64,7 +64,7 @@ void __init setup_core_timer(void)
/* now enable the timer */
CSYNC();
- bfin_write_TCNTL(7);
+ bfin_write_TCNTL(TAUTORLD | TMREN | TMPWR);
}
#endif
diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index 3ac5b66d14a..ba35864b2b7 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -155,6 +155,7 @@ SECTIONS
SECURITY_INITCALL
INIT_RAM_FS
+ . = ALIGN(PAGE_SIZE);
___per_cpu_load = .;
PERCPU_INPUT(32)
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2025-01-06 20:14:58 +0000