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Diffstat (limited to 'arch/blackfin/kernel')
-rw-r--r--arch/blackfin/kernel/bfin_gpio.c78
-rw-r--r--arch/blackfin/kernel/irqchip.c7
-rw-r--r--arch/blackfin/kernel/vmlinux.lds.S4
3 files changed, 53 insertions, 36 deletions
diff --git a/arch/blackfin/kernel/bfin_gpio.c b/arch/blackfin/kernel/bfin_gpio.c
index 51dac55c524..a0678da4053 100644
--- a/arch/blackfin/kernel/bfin_gpio.c
+++ b/arch/blackfin/kernel/bfin_gpio.c
@@ -69,7 +69,7 @@ enum {
static struct gpio_port_t * const gpio_array[] = {
#if defined(BF533_FAMILY) || defined(BF538_FAMILY)
(struct gpio_port_t *) FIO_FLAG_D,
-#elif defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+#elif defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
(struct gpio_port_t *) PORTFIO,
(struct gpio_port_t *) PORTGIO,
(struct gpio_port_t *) PORTHIO,
@@ -77,7 +77,7 @@ static struct gpio_port_t * const gpio_array[] = {
(struct gpio_port_t *) FIO0_FLAG_D,
(struct gpio_port_t *) FIO1_FLAG_D,
(struct gpio_port_t *) FIO2_FLAG_D,
-#elif defined(BF548_FAMILY)
+#elif defined(CONFIG_BF54x)
(struct gpio_port_t *)PORTA_FER,
(struct gpio_port_t *)PORTB_FER,
(struct gpio_port_t *)PORTC_FER,
@@ -93,7 +93,7 @@ static struct gpio_port_t * const gpio_array[] = {
#endif
};
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
static unsigned short * const port_fer[] = {
(unsigned short *) PORTF_FER,
(unsigned short *) PORTG_FER,
@@ -109,11 +109,11 @@ static unsigned short * const port_mux[] = {
static const
u8 pmux_offset[][16] = {
-# if defined(BF527_FAMILY)
+# if defined(CONFIG_BF52x)
{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 2, 4, 6, 8, 8, 10, 10 }, /* PORTF */
{ 0, 0, 0, 0, 0, 2, 2, 4, 4, 6, 8, 10, 10, 10, 12, 12 }, /* PORTG */
{ 0, 0, 0, 0, 0, 0, 0, 0, 2, 4, 4, 4, 4, 4, 4, 4 }, /* PORTH */
-# elif defined(BF518_FAMILY)
+# elif defined(CONFIG_BF51x)
{ 0, 2, 2, 2, 2, 2, 2, 4, 6, 6, 6, 8, 8, 8, 8, 10 }, /* PORTF */
{ 0, 0, 0, 2, 4, 6, 6, 6, 8, 10, 10, 12, 14, 14, 14, 14 }, /* PORTG */
{ 0, 0, 0, 0, 2, 2, 4, 6, 10, 10, 10, 10, 10, 10, 10, 10 }, /* PORTH */
@@ -139,7 +139,7 @@ static struct gpio_port_s gpio_bank_saved[GPIO_BANK_NUM];
inline int check_gpio(unsigned gpio)
{
-#if defined(BF548_FAMILY)
+#if defined(CONFIG_BF54x)
if (gpio == GPIO_PB15 || gpio == GPIO_PC14 || gpio == GPIO_PC15
|| gpio == GPIO_PH14 || gpio == GPIO_PH15
|| gpio == GPIO_PJ14 || gpio == GPIO_PJ15)
@@ -187,13 +187,13 @@ static void port_setup(unsigned gpio, unsigned short usage)
if (check_gpio(gpio))
return;
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
if (usage == GPIO_USAGE)
*port_fer[gpio_bank(gpio)] &= ~gpio_bit(gpio);
else
*port_fer[gpio_bank(gpio)] |= gpio_bit(gpio);
SSYNC();
-#elif defined(BF548_FAMILY)
+#elif defined(CONFIG_BF54x)
if (usage == GPIO_USAGE)
gpio_array[gpio_bank(gpio)]->port_fer &= ~gpio_bit(gpio);
else
@@ -273,7 +273,7 @@ static void portmux_setup(unsigned short per)
}
}
}
-#elif defined(BF548_FAMILY)
+#elif defined(CONFIG_BF54x)
inline void portmux_setup(unsigned short per)
{
u32 pmux;
@@ -297,7 +297,7 @@ inline u16 get_portmux(unsigned short per)
return (pmux >> (2 * gpio_sub_n(ident)) & 0x3);
}
-#elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
+#elif defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
inline void portmux_setup(unsigned short per)
{
u16 pmux, ident = P_IDENT(per), function = P_FUNCT2MUX(per);
@@ -322,7 +322,7 @@ static int __init bfin_gpio_init(void)
arch_initcall(bfin_gpio_init);
-#ifndef BF548_FAMILY
+#ifndef CONFIG_BF54x
/***********************************************************
*
* FUNCTIONS: Blackfin General Purpose Ports Access Functions
@@ -489,7 +489,7 @@ static const unsigned int sic_iwr_irqs[] = {
IRQ_PROG_INTB, IRQ_PORTG_INTB, IRQ_MAC_TX
#elif defined(BF538_FAMILY)
IRQ_PORTF_INTB
-#elif defined(BF527_FAMILY) || defined(BF518_FAMILY)
+#elif defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
IRQ_PORTF_INTB, IRQ_PORTG_INTB, IRQ_PORTH_INTB
#elif defined(BF561_FAMILY)
IRQ_PROG0_INTB, IRQ_PROG1_INTB, IRQ_PROG2_INTB
@@ -586,7 +586,7 @@ u32 bfin_pm_standby_setup(void)
gpio_array[bank]->maskb = 0;
if (mask) {
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
gpio_bank_saved[bank].fer = *port_fer[bank];
#endif
gpio_bank_saved[bank].inen = gpio_array[bank]->inen;
@@ -631,7 +631,7 @@ void bfin_pm_standby_restore(void)
bank = gpio_bank(i);
if (mask) {
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
*port_fer[bank] = gpio_bank_saved[bank].fer;
#endif
gpio_array[bank]->inen = gpio_bank_saved[bank].inen;
@@ -657,9 +657,9 @@ void bfin_gpio_pm_hibernate_suspend(void)
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
gpio_bank_saved[bank].fer = *port_fer[bank];
-#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
gpio_bank_saved[bank].mux = *port_mux[bank];
#else
if (bank == 0)
@@ -685,8 +685,8 @@ void bfin_gpio_pm_hibernate_restore(void)
for (i = 0; i < MAX_BLACKFIN_GPIOS; i += GPIO_BANKSIZE) {
bank = gpio_bank(i);
-#if defined(BF527_FAMILY) || defined(BF537_FAMILY) || defined(BF518_FAMILY)
-#if defined(BF527_FAMILY) || defined(BF518_FAMILY)
+#if defined(CONFIG_BF52x) || defined(BF537_FAMILY) || defined(CONFIG_BF51x)
+#if defined(CONFIG_BF52x) || defined(CONFIG_BF51x)
*port_mux[bank] = gpio_bank_saved[bank].mux;
#else
if (bank == 0)
@@ -710,7 +710,7 @@ void bfin_gpio_pm_hibernate_restore(void)
#endif
-#else /* BF548_FAMILY */
+#else /* CONFIG_BF54x */
#ifdef CONFIG_PM
u32 bfin_pm_standby_setup(void)
@@ -762,7 +762,7 @@ unsigned short get_gpio_dir(unsigned gpio)
}
EXPORT_SYMBOL(get_gpio_dir);
-#endif /* BF548_FAMILY */
+#endif /* CONFIG_BF54x */
/***********************************************************
*
@@ -802,7 +802,8 @@ int peripheral_request(unsigned short per, const char *label)
*/
if (unlikely(!check_gpio(ident) &&
reserved_gpio_map[gpio_bank(ident)] & gpio_bit(ident))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
printk(KERN_ERR
"%s: Peripheral %d is already reserved as GPIO by %s !\n",
__func__, ident, get_label(ident));
@@ -817,7 +818,7 @@ int peripheral_request(unsigned short per, const char *label)
* be requested and used by several drivers
*/
-#ifdef BF548_FAMILY
+#ifdef CONFIG_BF54x
if (!((per & P_MAYSHARE) && get_portmux(per) == P_FUNCT2MUX(per))) {
#else
if (!(per & P_MAYSHARE)) {
@@ -830,7 +831,8 @@ int peripheral_request(unsigned short per, const char *label)
if (cmp_label(ident, label) == 0)
goto anyway;
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
printk(KERN_ERR
"%s: Peripheral %d function %d is already reserved by %s !\n",
__func__, ident, P_FUNCT2MUX(per), get_label(ident));
@@ -946,14 +948,16 @@ int bfin_gpio_request(unsigned gpio, const char *label)
}
if (unlikely(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
printk(KERN_ERR "bfin-gpio: GPIO %d is already reserved by %s !\n",
gpio, get_label(gpio));
local_irq_restore_hw(flags);
return -EBUSY;
}
if (unlikely(reserved_peri_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
printk(KERN_ERR
"bfin-gpio: GPIO %d is already reserved as Peripheral by %s !\n",
gpio, get_label(gpio));
@@ -964,7 +968,7 @@ int bfin_gpio_request(unsigned gpio, const char *label)
printk(KERN_NOTICE "bfin-gpio: GPIO %d is already reserved as gpio-irq!"
" (Documentation/blackfin/bfin-gpio-notes.txt)\n", gpio);
}
-#ifndef BF548_FAMILY
+#ifndef CONFIG_BF54x
else { /* Reset POLAR setting when acquiring a gpio for the first time */
set_gpio_polar(gpio, 0);
}
@@ -993,7 +997,8 @@ void bfin_gpio_free(unsigned gpio)
local_irq_save_hw(flags);
if (unlikely(!(reserved_gpio_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
gpio_error(gpio);
local_irq_restore_hw(flags);
return;
@@ -1017,7 +1022,8 @@ int bfin_gpio_irq_request(unsigned gpio, const char *label)
local_irq_save_hw(flags);
if (unlikely(reserved_gpio_irq_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
printk(KERN_ERR
"bfin-gpio: GPIO %d is already reserved as gpio-irq !\n",
gpio);
@@ -1025,7 +1031,8 @@ int bfin_gpio_irq_request(unsigned gpio, const char *label)
return -EBUSY;
}
if (unlikely(reserved_peri_map[gpio_bank(gpio)] & gpio_bit(gpio))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
printk(KERN_ERR
"bfin-gpio: GPIO %d is already reserved as Peripheral by %s !\n",
gpio, get_label(gpio));
@@ -1057,7 +1064,8 @@ void bfin_gpio_irq_free(unsigned gpio)
local_irq_save_hw(flags);
if (unlikely(!(reserved_gpio_irq_map[gpio_bank(gpio)] & gpio_bit(gpio)))) {
- dump_stack();
+ if (system_state == SYSTEM_BOOTING)
+ dump_stack();
gpio_error(gpio);
local_irq_restore_hw(flags);
return;
@@ -1072,7 +1080,7 @@ void bfin_gpio_irq_free(unsigned gpio)
static inline void __bfin_gpio_direction_input(unsigned gpio)
{
-#ifdef BF548_FAMILY
+#ifdef CONFIG_BF54x
gpio_array[gpio_bank(gpio)]->dir_clear = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir &= ~gpio_bit(gpio);
@@ -1100,13 +1108,13 @@ EXPORT_SYMBOL(bfin_gpio_direction_input);
void bfin_gpio_irq_prepare(unsigned gpio)
{
-#ifdef BF548_FAMILY
+#ifdef CONFIG_BF54x
unsigned long flags;
#endif
port_setup(gpio, GPIO_USAGE);
-#ifdef BF548_FAMILY
+#ifdef CONFIG_BF54x
local_irq_save_hw(flags);
__bfin_gpio_direction_input(gpio);
local_irq_restore_hw(flags);
@@ -1135,7 +1143,7 @@ int bfin_gpio_direction_output(unsigned gpio, int value)
gpio_array[gpio_bank(gpio)]->inen &= ~gpio_bit(gpio);
gpio_set_value(gpio, value);
-#ifdef BF548_FAMILY
+#ifdef CONFIG_BF54x
gpio_array[gpio_bank(gpio)]->dir_set = gpio_bit(gpio);
#else
gpio_array[gpio_bank(gpio)]->dir |= gpio_bit(gpio);
@@ -1150,7 +1158,7 @@ EXPORT_SYMBOL(bfin_gpio_direction_output);
int bfin_gpio_get_value(unsigned gpio)
{
-#ifdef BF548_FAMILY
+#ifdef CONFIG_BF54x
return (1 & (gpio_array[gpio_bank(gpio)]->data >> gpio_sub_n(gpio)));
#else
unsigned long flags;
diff --git a/arch/blackfin/kernel/irqchip.c b/arch/blackfin/kernel/irqchip.c
index 7fd12656484..401bd32aa49 100644
--- a/arch/blackfin/kernel/irqchip.c
+++ b/arch/blackfin/kernel/irqchip.c
@@ -70,6 +70,11 @@ static struct irq_desc bad_irq_desc = {
#endif
};
+#ifdef CONFIG_CPUMASK_OFFSTACK
+/* We are not allocating a variable-sized bad_irq_desc.affinity */
+#error "Blackfin architecture does not support CONFIG_CPUMASK_OFFSTACK."
+#endif
+
int show_interrupts(struct seq_file *p, void *v)
{
int i = *(loff_t *) v, j;
@@ -83,7 +88,7 @@ int show_interrupts(struct seq_file *p, void *v)
goto skip;
seq_printf(p, "%3d: ", i);
for_each_online_cpu(j)
- seq_printf(p, "%10u ", kstat_cpu(j).irqs[i]);
+ seq_printf(p, "%10u ", kstat_irqs_cpu(i, j));
seq_printf(p, " %8s", irq_desc[i].chip->name);
seq_printf(p, " %s", action->name);
for (action = action->next; action; action = action->next)
diff --git a/arch/blackfin/kernel/vmlinux.lds.S b/arch/blackfin/kernel/vmlinux.lds.S
index 4b4341da058..27952ae047d 100644
--- a/arch/blackfin/kernel/vmlinux.lds.S
+++ b/arch/blackfin/kernel/vmlinux.lds.S
@@ -183,6 +183,7 @@ SECTIONS
. = ALIGN(4);
__etext_l1 = .;
}
+ ASSERT (SIZEOF(.text_l1) <= L1_CODE_LENGTH, "L1 text overflow!")
.data_l1 L1_DATA_A_START : AT(LOADADDR(.text_l1) + SIZEOF(.text_l1))
{
@@ -200,6 +201,7 @@ SECTIONS
. = ALIGN(4);
__ebss_l1 = .;
}
+ ASSERT (SIZEOF(.data_a_l1) <= L1_DATA_A_LENGTH, "L1 data A overflow!")
.data_b_l1 L1_DATA_B_START : AT(LOADADDR(.data_l1) + SIZEOF(.data_l1))
{
@@ -214,6 +216,7 @@ SECTIONS
. = ALIGN(4);
__ebss_b_l1 = .;
}
+ ASSERT (SIZEOF(.data_b_l1) <= L1_DATA_B_LENGTH, "L1 data B overflow!")
__l2_lma_start = LOADADDR(.data_b_l1) + SIZEOF(.data_b_l1);
@@ -239,6 +242,7 @@ SECTIONS
. = ALIGN(4);
__ebss_l2 = .;
}
+ ASSERT (SIZEOF(.text_data_l1) <= L2_LENGTH, "L2 overflow!")
/* Force trailing alignment of our init section so that when we
* free our init memory, we don't leave behind a partial page.
generated by cgit v1.2.3 (git 2.25.1) at 2024-12-20 10:31:21 +0000