diff options
Diffstat (limited to 'arch/avr32/mach-at32ap')
| -rw-r--r-- | arch/avr32/mach-at32ap/Kconfig | 12 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/Makefile | 4 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/at32ap700x.c (renamed from arch/avr32/mach-at32ap/at32ap7000.c) | 15 | ||||
| -rw-r--r-- | arch/avr32/mach-at32ap/extint.c | 59 |
4 files changed, 62 insertions, 28 deletions
diff --git a/arch/avr32/mach-at32ap/Kconfig b/arch/avr32/mach-at32ap/Kconfig index eb307838457b..a7bbcc82058e 100644 --- a/arch/avr32/mach-at32ap/Kconfig +++ b/arch/avr32/mach-at32ap/Kconfig @@ -3,9 +3,9 @@ if PLATFORM_AT32AP menu "Atmel AVR32 AP options" choice - prompt "AT32AP7000 static memory bus width" - depends on CPU_AT32AP7000 - default AP7000_16_BIT_SMC + prompt "AT32AP700x static memory bus width" + depends on CPU_AT32AP700X + default AP700X_16_BIT_SMC help Define the width of the AP7000 external static memory interface. This is used to determine how to mangle the address and/or data @@ -15,13 +15,13 @@ choice width for all chip selects, excluding the flash (which is using raw access and is thus not affected by any of this.) -config AP7000_32_BIT_SMC +config AP700X_32_BIT_SMC bool "32 bit" -config AP7000_16_BIT_SMC +config AP700X_16_BIT_SMC bool "16 bit" -config AP7000_8_BIT_SMC +config AP700X_8_BIT_SMC bool "8 bit" endchoice diff --git a/arch/avr32/mach-at32ap/Makefile b/arch/avr32/mach-at32ap/Makefile index a8b445046e3e..5e9f8217befc 100644 --- a/arch/avr32/mach-at32ap/Makefile +++ b/arch/avr32/mach-at32ap/Makefile @@ -1,4 +1,4 @@ obj-y += at32ap.o clock.o intc.o extint.o pio.o hsmc.o -obj-$(CONFIG_CPU_AT32AP7000) += at32ap7000.o -obj-$(CONFIG_CPU_AT32AP7000) += time-tc.o +obj-$(CONFIG_CPU_AT32AP700X) += at32ap700x.o +obj-$(CONFIG_CPU_AT32AP700X) += time-tc.o obj-$(CONFIG_CPU_FREQ_AT32AP) += cpufreq.o diff --git a/arch/avr32/mach-at32ap/at32ap7000.c b/arch/avr32/mach-at32ap/at32ap700x.c index 7c4388f4f17f..14e61f05e1f6 100644 --- a/arch/avr32/mach-at32ap/at32ap7000.c +++ b/arch/avr32/mach-at32ap/at32ap700x.c @@ -13,8 +13,9 @@ #include <linux/spi/spi.h> #include <asm/io.h> +#include <asm/irq.h> -#include <asm/arch/at32ap7000.h> +#include <asm/arch/at32ap700x.h> #include <asm/arch/board.h> #include <asm/arch/portmux.h> @@ -803,6 +804,7 @@ void __init at32_setup_serial_console(unsigned int usart_id) * Ethernet * -------------------------------------------------------------------- */ +#ifdef CONFIG_CPU_AT32AP7000 static struct eth_platform_data macb0_data; static struct resource macb0_resource[] = { PBMEM(0xfff01800), @@ -890,6 +892,7 @@ at32_add_device_eth(unsigned int id, struct eth_platform_data *data) return pdev; } +#endif /* -------------------------------------------------------------------- * SPI @@ -1064,6 +1067,7 @@ err_add_resources: /* -------------------------------------------------------------------- * LCDC * -------------------------------------------------------------------- */ +#if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) static struct atmel_lcdfb_info atmel_lcdfb0_data; static struct resource atmel_lcdfb0_resource[] = { { @@ -1179,6 +1183,7 @@ err_dup_modedb: kfree(monspecs); return NULL; } +#endif /* -------------------------------------------------------------------- * SSC @@ -1332,6 +1337,7 @@ out_free_pdev: /* -------------------------------------------------------------------- * IDE / CompactFlash * -------------------------------------------------------------------- */ +#if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7001) static struct resource at32_smc_cs4_resource[] __initdata = { { .start = 0x04000000, @@ -1464,6 +1470,7 @@ fail: platform_device_put(pdev); return NULL; } +#endif /* -------------------------------------------------------------------- * AC97C @@ -1639,16 +1646,20 @@ struct clk *at32_clock_list[] = { &atmel_usart1_usart, &atmel_usart2_usart, &atmel_usart3_usart, +#if defined(CONFIG_CPU_AT32AP7000) &macb0_hclk, &macb0_pclk, &macb1_hclk, &macb1_pclk, +#endif &atmel_spi0_spi_clk, &atmel_spi1_spi_clk, &atmel_twi0_pclk, &atmel_mci0_pclk, +#if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) &atmel_lcdfb0_hck1, &atmel_lcdfb0_pixclk, +#endif &ssc0_pclk, &ssc1_pclk, &ssc2_pclk, @@ -1697,7 +1708,9 @@ void __init at32_clock_init(void) genclk_init_parent(&gclk2); genclk_init_parent(&gclk3); genclk_init_parent(&gclk4); +#if defined(CONFIG_CPU_AT32AP7000) || defined(CONFIG_CPU_AT32AP7002) genclk_init_parent(&atmel_lcdfb0_pixclk); +#endif genclk_init_parent(&abdac0_sample_clk); /* diff --git a/arch/avr32/mach-at32ap/extint.c b/arch/avr32/mach-at32ap/extint.c index f5bfd4c81fe7..c36a6d59d6f0 100644 --- a/arch/avr32/mach-at32ap/extint.c +++ b/arch/avr32/mach-at32ap/extint.c @@ -26,16 +26,10 @@ #define EIC_MODE 0x0014 #define EIC_EDGE 0x0018 #define EIC_LEVEL 0x001c -#define EIC_TEST 0x0020 #define EIC_NMIC 0x0024 -/* Bitfields in TEST */ -#define EIC_TESTEN_OFFSET 31 -#define EIC_TESTEN_SIZE 1 - /* Bitfields in NMIC */ -#define EIC_EN_OFFSET 0 -#define EIC_EN_SIZE 1 +#define EIC_NMIC_ENABLE (1 << 0) /* Bit manipulation macros */ #define EIC_BIT(name) \ @@ -63,6 +57,9 @@ struct eic { unsigned int first_irq; }; +static struct eic *nmi_eic; +static bool nmi_enabled; + static void eic_ack_irq(unsigned int irq) { struct eic *eic = get_irq_chip_data(irq); @@ -133,8 +130,11 @@ static int eic_set_irq_type(unsigned int irq, unsigned int flow_type) eic_writel(eic, EDGE, edge); eic_writel(eic, LEVEL, level); - if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) + if (flow_type & (IRQ_TYPE_LEVEL_LOW | IRQ_TYPE_LEVEL_HIGH)) { flow_type |= IRQ_LEVEL; + __set_irq_handler_unlocked(irq, handle_level_irq); + } else + __set_irq_handler_unlocked(irq, handle_edge_irq); desc->status &= ~(IRQ_TYPE_SENSE_MASK | IRQ_LEVEL); desc->status |= flow_type; } @@ -154,9 +154,8 @@ static struct irq_chip eic_chip = { static void demux_eic_irq(unsigned int irq, struct irq_desc *desc) { struct eic *eic = desc->handler_data; - struct irq_desc *ext_desc; unsigned long status, pending; - unsigned int i, ext_irq; + unsigned int i; status = eic_readl(eic, ISR); pending = status & eic_readl(eic, IMR); @@ -165,15 +164,28 @@ static void demux_eic_irq(unsigned int irq, struct irq_desc *desc) i = fls(pending) - 1; pending &= ~(1 << i); - ext_irq = i + eic->first_irq; - ext_desc = irq_desc + ext_irq; - if (ext_desc->status & IRQ_LEVEL) - handle_level_irq(ext_irq, ext_desc); - else - handle_edge_irq(ext_irq, ext_desc); + generic_handle_irq(i + eic->first_irq); } } +int nmi_enable(void) +{ + nmi_enabled = true; + + if (nmi_eic) + eic_writel(nmi_eic, NMIC, EIC_NMIC_ENABLE); + + return 0; +} + +void nmi_disable(void) +{ + if (nmi_eic) + eic_writel(nmi_eic, NMIC, 0); + + nmi_enabled = false; +} + static int __init eic_probe(struct platform_device *pdev) { struct eic *eic; @@ -214,14 +226,13 @@ static int __init eic_probe(struct platform_device *pdev) pattern = eic_readl(eic, MODE); nr_irqs = fls(pattern); - /* Trigger on falling edge unless overridden by driver */ - eic_writel(eic, MODE, 0UL); + /* Trigger on low level unless overridden by driver */ eic_writel(eic, EDGE, 0UL); + eic_writel(eic, LEVEL, 0UL); eic->chip = &eic_chip; for (i = 0; i < nr_irqs; i++) { - /* NOTE the handler we set here is ignored by the demux */ set_irq_chip_and_handler(eic->first_irq + i, &eic_chip, handle_level_irq); set_irq_chip_data(eic->first_irq + i, eic); @@ -230,6 +241,16 @@ static int __init eic_probe(struct platform_device *pdev) set_irq_chained_handler(int_irq, demux_eic_irq); set_irq_data(int_irq, eic); + if (pdev->id == 0) { + nmi_eic = eic; + if (nmi_enabled) + /* + * Someone tried to enable NMI before we were + * ready. Do it now. + */ + nmi_enable(); + } + dev_info(&pdev->dev, "External Interrupt Controller at 0x%p, IRQ %u\n", eic->regs, int_irq); |