diff options
author | Vineet Gupta <vgupta@synopsys.com> | 2013-01-23 15:02:48 +0400 |
---|---|---|
committer | Vineet Gupta <vgupta@synopsys.com> | 2013-02-15 21:46:14 +0400 |
commit | 877768c84d6ca8f7dedafff0e44615a12e82f8f4 (patch) | |
tree | bf81883aecb24a75ae899a84c40290ef735008ba /arch/arc/plat-arcfpga | |
parent | 03a6d28cdddfbd11b338c23e7fe51d0816b9bdef (diff) | |
download | linux-877768c84d6ca8f7dedafff0e44615a12e82f8f4.tar.xz |
ARC: [Review] Multi-platform image #3: switch to board callback
-platform API is retired and instead callbacks are used
Signed-off-by: Vineet Gupta <vgupta@synopsys.com>
Cc: Arnd Bergmann <arnd@arndb.de>
Acked-by: Arnd Bergmann <arnd@arndb.de>
Diffstat (limited to 'arch/arc/plat-arcfpga')
-rw-r--r-- | arch/arc/plat-arcfpga/include/plat/irq.h | 2 | ||||
-rw-r--r-- | arch/arc/plat-arcfpga/include/plat/smp.h | 2 | ||||
-rw-r--r-- | arch/arc/plat-arcfpga/irq.c | 2 | ||||
-rw-r--r-- | arch/arc/plat-arcfpga/platform.c | 50 | ||||
-rw-r--r-- | arch/arc/plat-arcfpga/smp.c | 4 |
5 files changed, 48 insertions, 12 deletions
diff --git a/arch/arc/plat-arcfpga/include/plat/irq.h b/arch/arc/plat-arcfpga/include/plat/irq.h index 255b90e973ee..6515df232f21 100644 --- a/arch/arc/plat-arcfpga/include/plat/irq.h +++ b/arch/arc/plat-arcfpga/include/plat/irq.h @@ -32,4 +32,6 @@ #define IDU_INTERRUPT_0 16 #endif +extern void __init plat_fpga_init_IRQ(void); + #endif diff --git a/arch/arc/plat-arcfpga/include/plat/smp.h b/arch/arc/plat-arcfpga/include/plat/smp.h index 8c5e46c01b15..27822ac8155e 100644 --- a/arch/arc/plat-arcfpga/include/plat/smp.h +++ b/arch/arc/plat-arcfpga/include/plat/smp.h @@ -110,6 +110,8 @@ struct idu_irq_status { extern void idu_irq_set_tgtcpu(uint8_t irq, uint32_t mask); extern void idu_irq_set_mode(uint8_t irq, uint8_t dest_mode, uint8_t trig_mode); +extern void iss_model_init_smp(unsigned int cpu); + #endif /* CONFIG_SMP */ #endif diff --git a/arch/arc/plat-arcfpga/irq.c b/arch/arc/plat-arcfpga/irq.c index 590edd174c47..0ea43c26f16a 100644 --- a/arch/arc/plat-arcfpga/irq.c +++ b/arch/arc/plat-arcfpga/irq.c @@ -11,7 +11,7 @@ #include <linux/interrupt.h> #include <asm/irq.h> -void __init plat_init_IRQ(void) +void __init plat_fpga_init_IRQ(void) { /* * SMP Hack because UART IRQ hardwired to cpu0 (boot-cpu) but if the diff --git a/arch/arc/plat-arcfpga/platform.c b/arch/arc/plat-arcfpga/platform.c index b7f63e3f3cae..ac85d6927334 100644 --- a/arch/arc/plat-arcfpga/platform.c +++ b/arch/arc/plat-arcfpga/platform.c @@ -18,7 +18,9 @@ #include <asm/setup.h> #include <asm/irq.h> #include <asm/clk.h> +#include <asm/mach_desc.h> #include <plat/memmap.h> +#include <plat/smp.h> /*-----------------------BVCI Latency Unit -----------------------------*/ @@ -153,10 +155,7 @@ static void arc_fpga_serial_init(void) #endif } -/* - * Early Platform Initialization called from setup_arch() - */ -void __init arc_platform_early_init(void) +static void __init plat_fpga_early_init(void) { pr_info("[plat-arcfpga]: registering early dev resources\n"); @@ -172,7 +171,7 @@ static struct of_dev_auxdata plat_auxdata_lookup[] __initdata = { {} }; -int __init fpga_plat_init(void) +static void __init plat_fpga_populate_dev(void) { pr_info("[plat-arcfpga]: registering device resources\n"); @@ -182,7 +181,42 @@ int __init fpga_plat_init(void) */ of_platform_populate(NULL, of_default_bus_match_table, plat_auxdata_lookup, NULL); - - return 0; } -arch_initcall(fpga_plat_init); + +/*----------------------- Machine Descriptions ------------------------------ + * + * Machine description is simply a set of platform/board specific callbacks + * This is not directly related to DeviceTree based dynamic device creation, + * however as part of early device tree scan, we also select the right + * callback set, by matching the DT compatible name. + */ + +static const char *aa4_compat[] __initdata = { + "snps,arc-angel4", + NULL, +}; + +MACHINE_START(ANGEL4, "angel4") + .dt_compat = aa4_compat, + .init_early = plat_fpga_early_init, + .init_machine = plat_fpga_populate_dev, + .init_irq = plat_fpga_init_IRQ, +#ifdef CONFIG_SMP + .init_smp = iss_model_init_smp, +#endif +MACHINE_END + +static const char *ml509_compat[] __initdata = { + "snps,arc-ml509", + NULL, +}; + +MACHINE_START(ML509, "ml509") + .dt_compat = ml509_compat, + .init_early = plat_fpga_early_init, + .init_machine = plat_fpga_populate_dev, + .init_irq = plat_fpga_init_IRQ, +#ifdef CONFIG_SMP + .init_smp = iss_model_init_smp, +#endif +MACHINE_END diff --git a/arch/arc/plat-arcfpga/smp.c b/arch/arc/plat-arcfpga/smp.c index a95fcdb29033..fec18793bbe0 100644 --- a/arch/arc/plat-arcfpga/smp.c +++ b/arch/arc/plat-arcfpga/smp.c @@ -63,10 +63,8 @@ void arc_platform_smp_wakeup_cpu(int cpu, unsigned long pc) * -Master : init_IRQ() * -Other(s) : start_kernel_secondary() */ -void arc_platform_smp_init_cpu(void) +void iss_model_init_smp(unsigned int cpu) { - int cpu = smp_processor_id(); - /* Check if CPU is configured for more than 16 interrupts */ if (NR_IRQS <= 16 || get_hw_config_num_irq() <= 16) panic("[arcfpga] IRQ system can't support IDU IPI\n"); |