Say Y here if you want kernel low-level debugging support
on i.MX51.
- config DEBUG_IMX50_IMX53_UART
- bool "i.MX50 and i.MX53 Debug UART"
- depends on SOC_IMX50 || SOC_IMX53
+ config DEBUG_IMX53_UART
+ bool "i.MX53 Debug UART"
+ depends on SOC_IMX53
help
Say Y here if you want kernel low-level debugging support
- on i.MX50 or i.MX53.
+ on i.MX53.
config DEBUG_IMX6Q_UART
bool "i.MX6Q Debug UART"
Say Y here if you want kernel low-level debugging support
on Tegra based platforms.
+ config DEBUG_SIRFPRIMA2_UART1
+ bool "Kernel low-level debugging messages via SiRFprimaII UART1"
+ depends on ARCH_PRIMA2
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the uart1 port on SiRFprimaII devices.
+
+ config DEBUG_SIRFMARCO_UART1
+ bool "Kernel low-level debugging messages via SiRFmarco UART1"
+ depends on ARCH_MARCO
+ help
+ Say Y here if you want the debug print routines to direct
+ their output to the uart1 port on SiRFmarco devices.
+
config DEBUG_VEXPRESS_UART0_DETECT
bool "Autodetect UART0 on Versatile Express Cortex-A core tiles"
depends on ARCH_VEXPRESS && CPU_CP15_MMU
of the tiles using the RS1 memory map, including all new A-class
core tiles, FPGA-based SMMs and software models.
+ config DEBUG_VT8500_UART0
+ bool "Use UART0 on VIA/Wondermedia SoCs"
+ depends on ARCH_VT8500
+ help
+ This option selects UART0 on VIA/Wondermedia System-on-a-chip
+ devices, including VT8500, WM8505, WM8650 and WM8850.
+
config DEBUG_LL_UART_NONE
bool "No low-level debugging UART"
depends on !ARCH_MULTIPLATFORM
DEBUG_IMX21_IMX27_UART || \
DEBUG_IMX31_IMX35_UART || \
DEBUG_IMX51_UART || \
- DEBUG_IMX50_IMX53_UART ||\
+ DEBUG_IMX53_UART ||\
DEBUG_IMX6Q_UART
default "debug/highbank.S" if DEBUG_HIGHBANK_UART
default "debug/mvebu.S" if DEBUG_MVEBU_UART
default "debug/sunxi.S" if DEBUG_SUNXI_UART0 || DEBUG_SUNXI_UART1
default "debug/vexpress.S" if DEBUG_VEXPRESS_UART0_DETECT || \
DEBUG_VEXPRESS_UART0_CA9 || DEBUG_VEXPRESS_UART0_RS1
+ default "debug/vt8500.S" if DEBUG_VT8500_UART0
default "debug/tegra.S" if DEBUG_TEGRA_UART
default "debug/zynq.S" if DEBUG_ZYNQ_UART0 || DEBUG_ZYNQ_UART1
default "mach/debug-macro.S"
CONFIG_ARCH_MXC=y
CONFIG_ARCH_MULTI_V6=y
CONFIG_ARCH_MULTI_V7=y
+CONFIG_MACH_IMX31_DT=y
CONFIG_MACH_MX31LILLY=y
CONFIG_MACH_MX31LITE=y
CONFIG_MACH_PCM037=y
CONFIG_MACH_MX35_3DS=y
CONFIG_MACH_VPR200=y
CONFIG_MACH_IMX51_DT=y
- CONFIG_MACH_MX51_3DS=y
CONFIG_MACH_EUKREA_CPUIMX51SD=y
CONFIG_SOC_IMX53=y
CONFIG_SOC_IMX6Q=y
config ARCH_MX5
bool
- config ARCH_MX50
- bool
-
config ARCH_MX51
bool
select CPU_V7
select MXC_TZIC
- config SOC_IMX50
- bool
- select ARCH_MX50
- select SOC_IMX5
-
config SOC_IMX51
bool
select ARCH_MX5
if ARCH_MULTI_V7
- comment "i.MX5 platforms:"
-
- config MACH_MX50_RDP
- bool "Support MX50 reference design platform"
- depends on BROKEN
- select IMX_HAVE_PLATFORM_IMX_I2C
- select IMX_HAVE_PLATFORM_IMX_UART
- select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
- select IMX_HAVE_PLATFORM_SPI_IMX
- select SOC_IMX50
- help
- Include support for MX50 reference design platform (RDP) board. This
- includes specific configurations for the board and its peripherals.
-
comment "i.MX51 machines:"
config MACH_IMX51_DT
bool "Support i.MX51 platforms from device tree"
- select MACH_MX51_BABBAGE
select SOC_IMX51
help
Include support for Freescale i.MX51 based platforms
u-boot. This includes specific configurations for the board and its
peripherals.
- config MACH_MX51_3DS
- bool "Support MX51PDK (3DS)"
- select IMX_HAVE_PLATFORM_IMX2_WDT
- select IMX_HAVE_PLATFORM_IMX_KEYPAD
- select IMX_HAVE_PLATFORM_IMX_UART
- select IMX_HAVE_PLATFORM_SDHCI_ESDHC_IMX
- select IMX_HAVE_PLATFORM_SPI_IMX
- select MXC_DEBUG_BOARD
- select SOC_IMX51
- help
- Include support for MX51PDK (3DS) platform. This includes specific
- configurations for the board and its peripherals.
-
config MACH_EUKREA_CPUIMX51SD
bool "Support Eukrea CPUIMX51SD module"
select IMX_HAVE_PLATFORM_FSL_USB2_UDC
select ARCH_HAS_CPUFREQ
select ARCH_HAS_OPP
select ARM_CPU_SUSPEND if PM
- select ARM_ERRATA_743622
- select ARM_ERRATA_751472
select ARM_ERRATA_754322
select ARM_ERRATA_764369 if SMP
select ARM_ERRATA_775420
extern void mx27_map_io(void);
extern void mx31_map_io(void);
extern void mx35_map_io(void);
- extern void mx50_map_io(void);
extern void mx51_map_io(void);
extern void mx53_map_io(void);
extern void imx1_init_early(void);
extern void imx27_init_early(void);
extern void imx31_init_early(void);
extern void imx35_init_early(void);
- extern void imx50_init_early(void);
extern void imx51_init_early(void);
extern void imx53_init_early(void);
extern void mxc_init_irq(void __iomem *);
extern void mx27_init_irq(void);
extern void mx31_init_irq(void);
extern void mx35_init_irq(void);
- extern void mx50_init_irq(void);
extern void mx51_init_irq(void);
extern void mx53_init_irq(void);
extern void imx1_soc_init(void);
extern void imx27_soc_init(void);
extern void imx31_soc_init(void);
extern void imx35_soc_init(void);
- extern void imx50_soc_init(void);
extern void imx51_soc_init(void);
extern void imx51_init_late(void);
extern void imx53_init_late(void);
#define imx27_handle_irq avic_handle_irq
#define imx31_handle_irq avic_handle_irq
#define imx35_handle_irq avic_handle_irq
- #define imx50_handle_irq tzic_handle_irq
#define imx51_handle_irq tzic_handle_irq
#define imx53_handle_irq tzic_handle_irq
-#define imx6q_handle_irq gic_handle_irq
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
- #ifdef CONFIG_DEBUG_LL
- extern void imx_lluart_map_io(void);
- #else
- static inline void imx_lluart_map_io(void) {}
- #endif
extern void v7_cpu_resume(void);
extern u32 *pl310_get_save_ptr(void);
#ifdef CONFIG_SMP
extern void v7_secondary_startup(void);
extern void imx_scu_map_io(void);
extern void imx_smp_prepare(void);
+ extern void imx_scu_standby_enable(void);
#else
static inline void imx_scu_map_io(void) {}
static inline void imx_smp_prepare(void) {}
+ static inline void imx_scu_standby_enable(void) {}
#endif
extern void imx_enable_cpu(int cpu, bool enable);
extern void imx_set_cpu_jump(int cpu, void *jump_addr);
extern void imx_gpc_pre_suspend(void);
extern void imx_gpc_post_resume(void);
extern int imx6q_set_lpm(enum mxc_cpu_pwr_mode mode);
- extern void imx6q_clock_map_io(void);
+ extern void imx6q_set_chicken_bit(void);
extern void imx_cpu_die(unsigned int cpu);
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
-#include <asm/hardware/gic.h>
+#include <linux/irqchip/arm-gic.h>
#define GPC_IMR1 0x008
#define GPC_PGC_CPU_PDN 0x2a0
void __init imx_gpc_init(void)
{
struct device_node *np;
+ int i;
np = of_find_compatible_node(NULL, NULL, "fsl,imx6q-gpc");
gpc_base = of_iomap(np, 0);
WARN_ON(!gpc_base);
+ /* Initially mask all interrupts */
+ for (i = 0; i < IMR_NUM; i++)
+ writel_relaxed(~0, gpc_base + GPC_IMR1 + i * 4);
+
/* Register GPC as the secondary interrupt controller behind GIC */
gic_arch_extn.irq_mask = imx_gpc_irq_mask;
gic_arch_extn.irq_unmask = imx_gpc_irq_unmask;
#include <linux/clk.h>
#include <linux/clkdev.h>
- #include <linux/cpuidle.h>
#include <linux/delay.h>
#include <linux/export.h>
#include <linux/init.h>
#include <linux/io.h>
#include <linux/irq.h>
+#include <linux/irqchip.h>
#include <linux/of.h>
#include <linux/of_address.h>
#include <linux/of_irq.h>
#include <linux/regmap.h>
#include <linux/micrel_phy.h>
#include <linux/mfd/syscon.h>
- #include <asm/cpuidle.h>
#include <asm/smp_twd.h>
#include <asm/hardware/cache-l2x0.h>
-#include <asm/hardware/gic.h>
#include <asm/mach/arch.h>
+ #include <asm/mach/map.h>
#include <asm/mach/time.h>
#include <asm/system_misc.h>
imx6q_1588_init();
}
- static struct cpuidle_driver imx6q_cpuidle_driver = {
- .name = "imx6q_cpuidle",
- .owner = THIS_MODULE,
- .en_core_tk_irqen = 1,
- .states[0] = ARM_CPUIDLE_WFI_STATE,
- .state_count = 1,
- };
-
static void __init imx6q_init_late(void)
{
- imx_cpuidle_init(&imx6q_cpuidle_driver);
+ /*
+ * WAIT mode is broken on TO 1.0 and 1.1, so there is no point
+ * to run cpuidle on them.
+ */
+ if (imx6q_revision() > IMX_CHIP_REVISION_1_1)
+ imx6q_cpuidle_init();
}
static void __init imx6q_map_io(void)
{
- imx_lluart_map_io();
+ debug_ll_io_init();
imx_scu_map_io();
- imx6q_clock_map_io();
}
-static const struct of_device_id imx6q_irq_match[] __initconst = {
- { .compatible = "arm,cortex-a9-gic", .data = gic_of_init, },
- { /* sentinel */ }
-};
-
static void __init imx6q_init_irq(void)
{
l2x0_of_init(0, ~0UL);
imx_src_init();
imx_gpc_init();
- of_irq_init(imx6q_irq_match);
+ irqchip_init();
}
static void __init imx6q_timer_init(void)
imx_print_silicon_rev("i.MX6Q", imx6q_revision());
}
-static struct sys_timer imx6q_timer = {
- .init = imx6q_timer_init,
-};
-
static const char *imx6q_dt_compat[] __initdata = {
"fsl,imx6q",
NULL,
.smp = smp_ops(imx_smp_ops),
.map_io = imx6q_map_io,
.init_irq = imx6q_init_irq,
- .handle_irq = imx6q_handle_irq,
- .timer = &imx6q_timer,
+ .init_time = imx6q_timer_init,
.init_machine = imx6q_init_machine,
.init_late = imx6q_init_late,
.dt_compat = imx6q_dt_compat,
#include <linux/init.h>
#include <linux/smp.h>
+#include <linux/irqchip/arm-gic.h>
#include <asm/page.h>
#include <asm/smp_scu.h>
-#include <asm/hardware/gic.h>
#include <asm/mach/map.h>
#include "common.h"
#include "hardware.h"
+ #define SCU_STANDBY_ENABLE (1 << 5)
+
static void __iomem *scu_base;
static struct map_desc scu_io_desc __initdata = {
scu_base = IMX_IO_ADDRESS(base);
}
+ void imx_scu_standby_enable(void)
+ {
+ u32 val = readl_relaxed(scu_base);
+
+ val |= SCU_STANDBY_ENABLE;
+ writel_relaxed(val, scu_base);
+ }
+
static void __cpuinit imx_secondary_init(unsigned int cpu)
{
/*
for (i = 0; i < ncores; i++)
set_cpu_possible(i, true);
-
- set_smp_cross_call(gic_raise_softirq);
}
void imx_smp_prepare(void)
__raw_writel(tcmp, timer_base + V2_TCMP);
- return (int)(tcmp - __raw_readl(timer_base + V2_TCN)) < 0 ?
+ return evt < 0x7fffffff &&
+ (int)(tcmp - __raw_readl(timer_base + V2_TCN)) < 0 ?
-ETIME : 0;
}
static struct clock_event_device clockevent_mxc = {
.name = "mxc_timer1",
.features = CLOCK_EVT_FEAT_ONESHOT,
- .shift = 32,
.set_mode = mxc_set_mode,
.set_next_event = mx1_2_set_next_event,
.rating = 200,
static int __init mxc_clockevent_init(struct clk *timer_clk)
{
- unsigned int c = clk_get_rate(timer_clk);
-
if (timer_is_v2())
clockevent_mxc.set_next_event = v2_set_next_event;
- clockevent_mxc.mult = div_sc(c, NSEC_PER_SEC,
- clockevent_mxc.shift);
- clockevent_mxc.max_delta_ns =
- clockevent_delta2ns(0xfffffffe, &clockevent_mxc);
- clockevent_mxc.min_delta_ns =
- clockevent_delta2ns(0xff, &clockevent_mxc);
-
clockevent_mxc.cpumask = cpumask_of(0);
-
- clockevents_register_device(&clockevent_mxc);
+ clockevents_config_and_register(&clockevent_mxc,
+ clk_get_rate(timer_clk),
+ 0xff, 0xfffffffe);
return 0;
}
projects / firefly-linux-kernel-4.4.55.git / commitdiff