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-rw-r--r--arch/blackfin/mach-bf561/Makefile1
-rw-r--r--arch/blackfin/mach-bf561/boards/acvilon.c2
-rw-r--r--arch/blackfin/mach-bf561/boards/cm_bf561.c66
-rw-r--r--arch/blackfin/mach-bf561/boards/ezkit.c70
-rw-r--r--arch/blackfin/mach-bf561/boards/tepla.c68
-rw-r--r--arch/blackfin/mach-bf561/hotplug.c32
-rw-r--r--arch/blackfin/mach-bf561/include/mach/irq.h3
-rw-r--r--arch/blackfin/mach-bf561/include/mach/smp.h2
-rw-r--r--arch/blackfin/mach-bf561/secondary.S50
-rw-r--r--arch/blackfin/mach-bf561/smp.c44
10 files changed, 299 insertions, 39 deletions
diff --git a/arch/blackfin/mach-bf561/Makefile b/arch/blackfin/mach-bf561/Makefile
index 59e18afe28c..b3402971831 100644
--- a/arch/blackfin/mach-bf561/Makefile
+++ b/arch/blackfin/mach-bf561/Makefile
@@ -6,3 +6,4 @@ obj-y := ints-priority.o dma.o
obj-$(CONFIG_BF561_COREB) += coreb.o
obj-$(CONFIG_SMP) += smp.o secondary.o atomic.o
+obj-$(CONFIG_HOTPLUG_CPU) += hotplug.o
diff --git a/arch/blackfin/mach-bf561/boards/acvilon.c b/arch/blackfin/mach-bf561/boards/acvilon.c
index 07e8dc8770d..5163e2c383c 100644
--- a/arch/blackfin/mach-bf561/boards/acvilon.c
+++ b/arch/blackfin/mach-bf561/boards/acvilon.c
@@ -176,7 +176,7 @@ static struct resource smsc911x_resources[] = {
};
static struct smsc911x_platform_config smsc911x_config = {
- .flags = SMSC911X_USE_32BIT,
+ .flags = SMSC911X_USE_32BIT | SMSC911X_SAVE_MAC_ADDRESS,
.irq_polarity = SMSC911X_IRQ_POLARITY_ACTIVE_LOW,
.irq_type = SMSC911X_IRQ_TYPE_OPEN_DRAIN,
.phy_interface = PHY_INTERFACE_MODE_MII,
diff --git a/arch/blackfin/mach-bf561/boards/cm_bf561.c b/arch/blackfin/mach-bf561/boards/cm_bf561.c
index dfc8d5b7798..e127aedc1d7 100644
--- a/arch/blackfin/mach-bf561/boards/cm_bf561.c
+++ b/arch/blackfin/mach-bf561/boards/cm_bf561.c
@@ -72,7 +72,7 @@ static struct bfin5xx_spi_chip spi_adc_chip_info = {
};
#endif
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 16,
@@ -111,7 +111,7 @@ static struct spi_board_info bfin_spi_board_info[] __initdata = {
},
#endif
-#if defined(CONFIG_SND_BLACKFIN_AD1836) || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
{
.modalias = "ad1836",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
@@ -305,21 +305,50 @@ static struct platform_device isp1362_hcd_device = {
#endif
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
{
- .start = 0xFFC00400,
- .end = 0xFFC004FF,
+ .start = BFIN_UART_THR,
+ .end = BFIN_UART_GCTL+2,
.flags = IORESOURCE_MEM,
},
+ {
+ .start = IRQ_UART_RX,
+ .end = IRQ_UART_RX+1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_UART_ERROR,
+ .end = IRQ_UART_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = CH_UART_TX,
+ .end = CH_UART_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = CH_UART_RX,
+ .end = CH_UART_RX,
+ .flags = IORESOURCE_DMA,
+ },
};
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart0_peripherals[] = {
+ P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
.name = "bfin-uart",
- .id = 1,
- .num_resources = ARRAY_SIZE(bfin_uart_resources),
- .resource = bfin_uart_resources,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_uart0_resources),
+ .resource = bfin_uart0_resources,
+ .dev = {
+ .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+ },
};
#endif
+#endif
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
@@ -463,7 +492,9 @@ static struct platform_device *cm_bf561_devices[] __initdata = {
#endif
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
- &bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
#endif
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -516,3 +547,18 @@ static int __init cm_bf561_init(void)
}
arch_initcall(cm_bf561_init);
+
+static struct platform_device *cm_bf561_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+ printk(KERN_INFO "register early platform devices\n");
+ early_platform_add_devices(cm_bf561_early_devices,
+ ARRAY_SIZE(cm_bf561_early_devices));
+}
diff --git a/arch/blackfin/mach-bf561/boards/ezkit.c b/arch/blackfin/mach-bf561/boards/ezkit.c
index ffd3e6a80d1..9b93e2f9579 100644
--- a/arch/blackfin/mach-bf561/boards/ezkit.c
+++ b/arch/blackfin/mach-bf561/boards/ezkit.c
@@ -160,21 +160,50 @@ static struct platform_device smc91x_device = {
#endif
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
-static struct resource bfin_uart_resources[] = {
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
{
- .start = 0xFFC00400,
- .end = 0xFFC004FF,
+ .start = BFIN_UART_THR,
+ .end = BFIN_UART_GCTL+2,
.flags = IORESOURCE_MEM,
},
+ {
+ .start = IRQ_UART_RX,
+ .end = IRQ_UART_RX+1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_UART_ERROR,
+ .end = IRQ_UART_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = CH_UART_TX,
+ .end = CH_UART_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = CH_UART_RX,
+ .end = CH_UART_RX,
+ .flags = IORESOURCE_DMA,
+ },
};
-static struct platform_device bfin_uart_device = {
+unsigned short bfin_uart0_peripherals[] = {
+ P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
.name = "bfin-uart",
- .id = 1,
- .num_resources = ARRAY_SIZE(bfin_uart_resources),
- .resource = bfin_uart_resources,
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_uart0_resources),
+ .resource = bfin_uart0_resources,
+ .dev = {
+ .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+ },
};
#endif
+#endif
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
@@ -245,8 +274,8 @@ static struct platform_device ezkit_flash_device = {
};
#endif
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
- || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+ || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
static struct bfin5xx_spi_chip ad1836_spi_chip_info = {
.enable_dma = 0,
.bits_per_word = 16,
@@ -299,8 +328,8 @@ static struct platform_device bfin_spi0_device = {
#endif
static struct spi_board_info bfin_spi_board_info[] __initdata = {
-#if defined(CONFIG_SND_BLACKFIN_AD1836) \
- || defined(CONFIG_SND_BLACKFIN_AD1836_MODULE)
+#if defined(CONFIG_SND_BLACKFIN_AD183X) \
+ || defined(CONFIG_SND_BLACKFIN_AD183X_MODULE)
{
.modalias = "ad1836",
.max_speed_hz = 3125000, /* max spi clock (SCK) speed in HZ */
@@ -412,7 +441,9 @@ static struct platform_device *ezkit_devices[] __initdata = {
#endif
#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
- &bfin_uart_device,
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
#endif
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
@@ -458,3 +489,18 @@ static int __init ezkit_init(void)
}
arch_initcall(ezkit_init);
+
+static struct platform_device *ezkit_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+ printk(KERN_INFO "register early platform devices\n");
+ early_platform_add_devices(ezkit_early_devices,
+ ARRAY_SIZE(ezkit_early_devices));
+}
diff --git a/arch/blackfin/mach-bf561/boards/tepla.c b/arch/blackfin/mach-bf561/boards/tepla.c
index 8ba7252455e..d3017e53686 100644
--- a/arch/blackfin/mach-bf561/boards/tepla.c
+++ b/arch/blackfin/mach-bf561/boards/tepla.c
@@ -42,6 +42,52 @@ static struct platform_device smc91x_device = {
.resource = smc91x_resources,
};
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+static struct resource bfin_uart0_resources[] = {
+ {
+ .start = BFIN_UART_THR,
+ .end = BFIN_UART_GCTL+2,
+ .flags = IORESOURCE_MEM,
+ },
+ {
+ .start = IRQ_UART_RX,
+ .end = IRQ_UART_RX+1,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = IRQ_UART_ERROR,
+ .end = IRQ_UART_ERROR,
+ .flags = IORESOURCE_IRQ,
+ },
+ {
+ .start = CH_UART_TX,
+ .end = CH_UART_TX,
+ .flags = IORESOURCE_DMA,
+ },
+ {
+ .start = CH_UART_RX,
+ .end = CH_UART_RX,
+ .flags = IORESOURCE_DMA,
+ },
+};
+
+unsigned short bfin_uart0_peripherals[] = {
+ P_UART0_TX, P_UART0_RX, 0
+};
+
+static struct platform_device bfin_uart0_device = {
+ .name = "bfin-uart",
+ .id = 0,
+ .num_resources = ARRAY_SIZE(bfin_uart0_resources),
+ .resource = bfin_uart0_resources,
+ .dev = {
+ .platform_data = &bfin_uart0_peripherals, /* Passed to driver */
+ },
+};
+#endif
+#endif
+
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
static struct resource bfin_sir0_resources[] = {
@@ -73,6 +119,13 @@ static struct platform_device bfin_sir0_device = {
static struct platform_device *tepla_devices[] __initdata = {
&smc91x_device,
+
+#if defined(CONFIG_SERIAL_BFIN) || defined(CONFIG_SERIAL_BFIN_MODULE)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
+#endif
+
#if defined(CONFIG_BFIN_SIR) || defined(CONFIG_BFIN_SIR_MODULE)
#ifdef CONFIG_BFIN_SIR0
&bfin_sir0_device,
@@ -87,3 +140,18 @@ static int __init tepla_init(void)
}
arch_initcall(tepla_init);
+
+static struct platform_device *tepla_early_devices[] __initdata = {
+#if defined(CONFIG_SERIAL_BFIN_CONSOLE) || defined(CONFIG_EARLY_PRINTK)
+#ifdef CONFIG_SERIAL_BFIN_UART0
+ &bfin_uart0_device,
+#endif
+#endif
+};
+
+void __init native_machine_early_platform_add_devices(void)
+{
+ printk(KERN_INFO "register early platform devices\n");
+ early_platform_add_devices(tepla_early_devices,
+ ARRAY_SIZE(tepla_early_devices));
+}
diff --git a/arch/blackfin/mach-bf561/hotplug.c b/arch/blackfin/mach-bf561/hotplug.c
new file mode 100644
index 00000000000..c95169b612d
--- /dev/null
+++ b/arch/blackfin/mach-bf561/hotplug.c
@@ -0,0 +1,32 @@
+/*
+ * Copyright 2007-2009 Analog Devices Inc.
+ * Graff Yang <graf.yang@analog.com>
+ *
+ * Licensed under the GPL-2 or later.
+ */
+
+#include <asm/blackfin.h>
+#include <asm/smp.h>
+#define SIC_SYSIRQ(irq) (irq - (IRQ_CORETMR + 1))
+
+int hotplug_coreb;
+
+void platform_cpu_die(void)
+{
+ unsigned long iwr[2] = {0, 0};
+ unsigned long bank = SIC_SYSIRQ(IRQ_SUPPLE_0) / 32;
+ unsigned long bit = 1 << (SIC_SYSIRQ(IRQ_SUPPLE_0) % 32);
+
+ hotplug_coreb = 1;
+
+ iwr[bank] = bit;
+
+ /* disable core timer */
+ bfin_write_TCNTL(0);
+
+ /* clear ipi interrupt IRQ_SUPPLE_0 */
+ bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + 1)));
+ SSYNC();
+
+ coreb_sleep(iwr[0], iwr[1], 0);
+}
diff --git a/arch/blackfin/mach-bf561/include/mach/irq.h b/arch/blackfin/mach-bf561/include/mach/irq.h
index 7b208db267b..c95566ade51 100644
--- a/arch/blackfin/mach-bf561/include/mach/irq.h
+++ b/arch/blackfin/mach-bf561/include/mach/irq.h
@@ -265,7 +265,8 @@
#define GPIO_IRQ_BASE IRQ_PF0
-#define NR_IRQS (IRQ_PF47 + 1)
+#define NR_MACH_IRQS (IRQ_PF47 + 1)
+#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS)
#define IVG7 7
#define IVG8 8
diff --git a/arch/blackfin/mach-bf561/include/mach/smp.h b/arch/blackfin/mach-bf561/include/mach/smp.h
index 390c7f4ae7b..2c8c514dd38 100644
--- a/arch/blackfin/mach-bf561/include/mach/smp.h
+++ b/arch/blackfin/mach-bf561/include/mach/smp.h
@@ -25,4 +25,6 @@ void platform_send_ipi_cpu(unsigned int cpu);
void platform_clear_ipi(unsigned int cpu);
+void bfin_local_timer_setup(void);
+
#endif /* !_MACH_BF561_SMP */
diff --git a/arch/blackfin/mach-bf561/secondary.S b/arch/blackfin/mach-bf561/secondary.S
index 8e6050369c0..4624eebbf9c 100644
--- a/arch/blackfin/mach-bf561/secondary.S
+++ b/arch/blackfin/mach-bf561/secondary.S
@@ -11,6 +11,7 @@
#include <linux/init.h>
#include <asm/blackfin.h>
#include <asm/asm-offsets.h>
+#include <asm/trace.h>
__INIT
@@ -62,6 +63,8 @@ ENTRY(_coreb_trampoline_start)
M2 = r0;
M3 = r0;
+ trace_buffer_init(p0,r0);
+
/* Turn off the icache */
p0.l = LO(IMEM_CONTROL);
p0.h = HI(IMEM_CONTROL);
@@ -159,6 +162,41 @@ ENTRY(_coreb_trampoline_start)
ENDPROC(_coreb_trampoline_start)
ENTRY(_coreb_trampoline_end)
+.section ".text"
+ENTRY(_set_sicb_iwr)
+ P0.H = hi(SICB_IWR0);
+ P0.L = lo(SICB_IWR0);
+ P1.H = hi(SICB_IWR1);
+ P1.L = lo(SICB_IWR1);
+ [P0] = R0;
+ [P1] = R1;
+ SSYNC;
+ RTS;
+ENDPROC(_set_sicb_iwr)
+
+ENTRY(_coreb_sleep)
+ sp.l = lo(INITIAL_STACK);
+ sp.h = hi(INITIAL_STACK);
+ fp = sp;
+ usp = sp;
+
+ call _set_sicb_iwr;
+
+ CLI R2;
+ SSYNC;
+ IDLE;
+ STI R2;
+
+ R0 = IWR_DISABLE_ALL;
+ R1 = IWR_DISABLE_ALL;
+ call _set_sicb_iwr;
+
+ p0.h = hi(COREB_L1_CODE_START);
+ p0.l = lo(COREB_L1_CODE_START);
+ jump (p0);
+ENDPROC(_coreb_sleep)
+
+__CPUINIT
ENTRY(_coreb_start)
[--sp] = reti;
@@ -176,12 +214,20 @@ ENTRY(_coreb_start)
sp = [p0];
usp = sp;
fp = sp;
+#ifdef CONFIG_HOTPLUG_CPU
+ p0.l = _hotplug_coreb;
+ p0.h = _hotplug_coreb;
+ r0 = [p0];
+ cc = BITTST(r0, 0);
+ if cc jump 3f;
+#endif
sp += -12;
call _init_pda
sp += 12;
+#ifdef CONFIG_HOTPLUG_CPU
+3:
+#endif
call _secondary_start_kernel;
.L_exit:
jump.s .L_exit;
ENDPROC(_coreb_start)
-
-__FINIT
diff --git a/arch/blackfin/mach-bf561/smp.c b/arch/blackfin/mach-bf561/smp.c
index 0192532e96a..3b9a4bf7dac 100644
--- a/arch/blackfin/mach-bf561/smp.c
+++ b/arch/blackfin/mach-bf561/smp.c
@@ -11,11 +11,10 @@
#include <linux/delay.h>
#include <asm/smp.h>
#include <asm/dma.h>
+#include <asm/time.h>
static DEFINE_SPINLOCK(boot_lock);
-static cpumask_t cpu_callin_map;
-
/*
* platform_init_cpus() - Tell the world about how many cores we
* have. This is called while setting up the architecture support
@@ -66,13 +65,15 @@ void __cpuinit platform_secondary_init(unsigned int cpu)
bfin_write_SICB_IAR5(bfin_read_SICA_IAR5());
bfin_write_SICB_IAR6(bfin_read_SICA_IAR6());
bfin_write_SICB_IAR7(bfin_read_SICA_IAR7());
+ bfin_write_SICB_IWR0(IWR_DISABLE_ALL);
+ bfin_write_SICB_IWR1(IWR_DISABLE_ALL);
SSYNC();
/* Store CPU-private information to the cpu_data array. */
bfin_setup_cpudata(cpu);
/* We are done with local CPU inits, unblock the boot CPU. */
- cpu_set(cpu, cpu_callin_map);
+ set_cpu_online(cpu, true);
spin_lock(&boot_lock);
spin_unlock(&boot_lock);
}
@@ -81,28 +82,28 @@ int __cpuinit platform_boot_secondary(unsigned int cpu, struct task_struct *idle
{
unsigned long timeout;
- /* CoreB already running?! */
- BUG_ON((bfin_read_SICA_SYSCR() & COREB_SRAM_INIT) == 0);
-
printk(KERN_INFO "Booting Core B.\n");
spin_lock(&boot_lock);
- /* Kick CoreB, which should start execution from CORE_SRAM_BASE. */
- SSYNC();
- bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() & ~COREB_SRAM_INIT);
- SSYNC();
+ if ((bfin_read_SICA_SYSCR() & COREB_SRAM_INIT) == 0) {
+ /* CoreB already running, sending ipi to wakeup it */
+ platform_send_ipi_cpu(cpu, IRQ_SUPPLE_0);
+ } else {
+ /* Kick CoreB, which should start execution from CORE_SRAM_BASE. */
+ bfin_write_SICA_SYSCR(bfin_read_SICA_SYSCR() & ~COREB_SRAM_INIT);
+ SSYNC();
+ }
timeout = jiffies + 1 * HZ;
while (time_before(jiffies, timeout)) {
- if (cpu_isset(cpu, cpu_callin_map))
+ if (cpu_online(cpu))
break;
udelay(100);
barrier();
}
- if (cpu_isset(cpu, cpu_callin_map)) {
- cpu_set(cpu, cpu_online_map);
+ if (cpu_online(cpu)) {
/* release the lock and let coreb run */
spin_unlock(&boot_lock);
return 0;
@@ -147,3 +148,20 @@ void platform_clear_ipi(unsigned int cpu)
bfin_write_SICB_SYSCR(bfin_read_SICB_SYSCR() | (1 << (10 + cpu)));
SSYNC();
}
+
+/*
+ * Setup core B's local core timer.
+ * In SMP, core timer is used for clock event device.
+ */
+void __cpuinit bfin_local_timer_setup(void)
+{
+#if defined(CONFIG_TICKSOURCE_CORETMR)
+ bfin_coretmr_init();
+ bfin_coretmr_clockevent_init();
+ get_irq_chip(IRQ_CORETMR)->unmask(IRQ_CORETMR);
+#else
+ /* Power down the core timer, just to play safe. */
+ bfin_write_TCNTL(0);
+#endif
+
+}
generated by cgit v1.2.3-70-g09d2 (git 2.46.0) at 2024-12-03 07:26:08 +0000