diff options
Diffstat (limited to 'arch/blackfin/mach-bf537')
| -rw-r--r-- | arch/blackfin/mach-bf537/boards/stamp.c | 110 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf537/include/mach/anomaly.h | 10 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h | 79 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf537/include/mach/irq.h | 365 | ||||
| -rw-r--r-- | arch/blackfin/mach-bf537/ints-priority.c | 163 |
5 files changed, 443 insertions, 284 deletions
diff --git a/arch/blackfin/mach-bf537/boards/stamp.c b/arch/blackfin/mach-bf537/boards/stamp.c index 3fa335405b31..76db1d483173 100644 --- a/arch/blackfin/mach-bf537/boards/stamp.c +++ b/arch/blackfin/mach-bf537/boards/stamp.c @@ -35,6 +35,7 @@ #include <asm/reboot.h> #include <asm/portmux.h> #include <asm/dpmc.h> +#include <asm/bfin_sport.h> #ifdef CONFIG_REGULATOR_FIXED_VOLTAGE #include <linux/regulator/fixed.h> #endif @@ -381,7 +382,6 @@ static struct platform_device net2272_bfin_device = { #endif #if defined(CONFIG_MTD_NAND_PLATFORM) || defined(CONFIG_MTD_NAND_PLATFORM_MODULE) -#ifdef CONFIG_MTD_PARTITIONS const char *part_probes[] = { "cmdlinepart", "RedBoot", NULL }; static struct mtd_partition bfin_plat_nand_partitions[] = { @@ -395,7 +395,6 @@ static struct mtd_partition bfin_plat_nand_partitions[] = { .offset = MTDPART_OFS_APPEND, }, }; -#endif #define BFIN_NAND_PLAT_CLE 2 #define BFIN_NAND_PLAT_ALE 1 @@ -422,11 +421,9 @@ static struct platform_nand_data bfin_plat_nand_data = { .chip = { .nr_chips = 1, .chip_delay = 30, -#ifdef CONFIG_MTD_PARTITIONS .part_probe_types = part_probes, .partitions = bfin_plat_nand_partitions, .nr_partitions = ARRAY_SIZE(bfin_plat_nand_partitions), -#endif }, .ctrl = { .cmd_ctrl = bfin_plat_nand_cmd_ctrl, @@ -2585,27 +2582,103 @@ static struct platform_device bfin_dpmc = { }, }; -#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE) +#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE) || \ + defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE) || \ + defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE) + +#define SPORT_REQ(x) \ + [x] = {P_SPORT##x##_TFS, P_SPORT##x##_DTPRI, P_SPORT##x##_TSCLK, \ + P_SPORT##x##_RFS, P_SPORT##x##_DRPRI, P_SPORT##x##_RSCLK, 0} + +static const u16 bfin_snd_pin[][7] = { + SPORT_REQ(0), + SPORT_REQ(1), +}; + +static struct bfin_snd_platform_data bfin_snd_data[] = { + { + .pin_req = &bfin_snd_pin[0][0], + }, + { + .pin_req = &bfin_snd_pin[1][0], + }, +}; + +#define BFIN_SND_RES(x) \ + [x] = { \ + { \ + .start = SPORT##x##_TCR1, \ + .end = SPORT##x##_TCR1, \ + .flags = IORESOURCE_MEM \ + }, \ + { \ + .start = CH_SPORT##x##_RX, \ + .end = CH_SPORT##x##_RX, \ + .flags = IORESOURCE_DMA, \ + }, \ + { \ + .start = CH_SPORT##x##_TX, \ + .end = CH_SPORT##x##_TX, \ + .flags = IORESOURCE_DMA, \ + }, \ + { \ + .start = IRQ_SPORT##x##_ERROR, \ + .end = IRQ_SPORT##x##_ERROR, \ + .flags = IORESOURCE_IRQ, \ + } \ + } + +static struct resource bfin_snd_resources[][4] = { + BFIN_SND_RES(0), + BFIN_SND_RES(1), +}; + +static struct platform_device bfin_pcm = { + .name = "bfin-pcm-audio", + .id = -1, +}; +#endif + +#if defined(CONFIG_SND_BF5XX_SOC_AD73311) || defined(CONFIG_SND_BF5XX_SOC_AD73311_MODULE) +static struct platform_device bfin_ad73311_codec_device = { + .name = "ad73311", + .id = -1, +}; +#endif + +#if defined(CONFIG_SND_BF5XX_SOC_I2S) || defined(CONFIG_SND_BF5XX_SOC_I2S_MODULE) static struct platform_device bfin_i2s = { .name = "bfin-i2s", .id = CONFIG_SND_BF5XX_SPORT_NUM, - /* TODO: add platform data here */ + .num_resources = ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]), + .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM], + .dev = { + .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM], + }, }; #endif -#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE) +#if defined(CONFIG_SND_BF5XX_SOC_TDM) || defined(CONFIG_SND_BF5XX_SOC_TDM_MODULE) static struct platform_device bfin_tdm = { .name = "bfin-tdm", .id = CONFIG_SND_BF5XX_SPORT_NUM, - /* TODO: add platform data here */ + .num_resources = ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]), + .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM], + .dev = { + .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM], + }, }; #endif -#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE) +#if defined(CONFIG_SND_BF5XX_SOC_AC97) || defined(CONFIG_SND_BF5XX_SOC_AC97_MODULE) static struct platform_device bfin_ac97 = { .name = "bfin-ac97", .id = CONFIG_SND_BF5XX_SPORT_NUM, - /* TODO: add platform data here */ + .num_resources = ARRAY_SIZE(bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM]), + .resource = bfin_snd_resources[CONFIG_SND_BF5XX_SPORT_NUM], + .dev = { + .platform_data = &bfin_snd_data[CONFIG_SND_BF5XX_SPORT_NUM], + }, }; #endif @@ -2796,17 +2869,28 @@ static struct platform_device *stamp_devices[] __initdata = { &stamp_flash_device, #endif -#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE) +#if defined(CONFIG_SND_BF5XX_I2S) || defined(CONFIG_SND_BF5XX_I2S_MODULE) || \ + defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE) || \ + defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE) + &bfin_pcm, +#endif + +#if defined(CONFIG_SND_BF5XX_SOC_AD73311) || defined(CONFIG_SND_BF5XX_SOC_AD73311_MODULE) + &bfin_ad73311_codec_device, +#endif + +#if defined(CONFIG_SND_BF5XX_SOC_I2S) || defined(CONFIG_SND_BF5XX_SOC_I2S_MODULE) &bfin_i2s, #endif -#if defined(CONFIG_SND_BF5XX_TDM) || defined(CONFIG_SND_BF5XX_TDM_MODULE) +#if defined(CONFIG_SND_BF5XX_SOC_TDM) || defined(CONFIG_SND_BF5XX_SOC_TDM_MODULE) &bfin_tdm, #endif -#if defined(CONFIG_SND_BF5XX_AC97) || defined(CONFIG_SND_BF5XX_AC97_MODULE) +#if defined(CONFIG_SND_BF5XX_SOC_AC97) || defined(CONFIG_SND_BF5XX_SOC_AC97_MODULE) &bfin_ac97, #endif + #if defined(CONFIG_REGULATOR_AD5398) || defined(CONFIG_REGULATOR_AD5398_MODULE) #if defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER) || \ defined(CONFIG_REGULATOR_VIRTUAL_CONSUMER_MODULE) diff --git a/arch/blackfin/mach-bf537/include/mach/anomaly.h b/arch/blackfin/mach-bf537/include/mach/anomaly.h index 43df6afd22ad..7f8e5a9f5db6 100644 --- a/arch/blackfin/mach-bf537/include/mach/anomaly.h +++ b/arch/blackfin/mach-bf537/include/mach/anomaly.h @@ -5,13 +5,13 @@ * and can be replaced with that version at any time * DO NOT EDIT THIS FILE * - * Copyright 2004-2010 Analog Devices Inc. + * Copyright 2004-2011 Analog Devices Inc. * Licensed under the ADI BSD license. * https://docs.blackfin.uclinux.org/doku.php?id=adi_bsd */ /* This file should be up to date with: - * - Revision D, 09/18/2008; ADSP-BF534/ADSP-BF536/ADSP-BF537 Blackfin Processor Anomaly List + * - Revision E, 05/25/2010; ADSP-BF534/ADSP-BF536/ADSP-BF537 Blackfin Processor Anomaly List */ #ifndef _MACH_ANOMALY_H_ @@ -160,12 +160,16 @@ #define ANOMALY_05000443 (1) /* False Hardware Error when RETI Points to Invalid Memory */ #define ANOMALY_05000461 (1) +/* Synchronization Problem at Startup May Cause SPORT Transmit Channels to Misalign */ +#define ANOMALY_05000462 (1) /* Interrupted 32-Bit SPORT Data Register Access Results In Underflow */ #define ANOMALY_05000473 (1) /* Possible Lockup Condition whem Modifying PLL from External Memory */ #define ANOMALY_05000475 (1) /* TESTSET Instruction Cannot Be Interrupted */ #define ANOMALY_05000477 (1) +/* Multiple Simultaneous Urgent DMA Requests May Cause DMA System Instability */ +#define ANOMALY_05000480 (__SILICON_REVISION__ < 3) /* Reads of ITEST_COMMAND and ITEST_DATA Registers Cause Cache Corruption */ #define ANOMALY_05000481 (1) /* IFLUSH sucks at life */ @@ -204,6 +208,7 @@ #define ANOMALY_05000363 (0) #define ANOMALY_05000364 (0) #define ANOMALY_05000380 (0) +#define ANOMALY_05000383 (0) #define ANOMALY_05000386 (1) #define ANOMALY_05000389 (0) #define ANOMALY_05000400 (0) @@ -211,6 +216,7 @@ #define ANOMALY_05000430 (0) #define ANOMALY_05000432 (0) #define ANOMALY_05000435 (0) +#define ANOMALY_05000440 (0) #define ANOMALY_05000447 (0) #define ANOMALY_05000448 (0) #define ANOMALY_05000456 (0) diff --git a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h b/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h deleted file mode 100644 index 3e955dba8951..000000000000 --- a/arch/blackfin/mach-bf537/include/mach/bfin_serial_5xx.h +++ /dev/null @@ -1,79 +0,0 @@ -/* - * Copyright 2006-2009 Analog Devices Inc. - * - * Licensed under the GPL-2 or later - */ - -#include <asm/dma.h> -#include <asm/portmux.h> - -#if defined(CONFIG_BFIN_UART0_CTSRTS) || defined(CONFIG_BFIN_UART1_CTSRTS) -# define CONFIG_SERIAL_BFIN_CTSRTS - -# ifndef CONFIG_UART0_CTS_PIN -# define CONFIG_UART0_CTS_PIN -1 -# endif - -# ifndef CONFIG_UART0_RTS_PIN -# define CONFIG_UART0_RTS_PIN -1 -# endif - -# ifndef CONFIG_UART1_CTS_PIN -# define CONFIG_UART1_CTS_PIN -1 -# endif - -# ifndef CONFIG_UART1_RTS_PIN -# define CONFIG_UART1_RTS_PIN -1 -# endif -#endif - -struct bfin_serial_res { - unsigned long uart_base_addr; - int uart_irq; - int uart_status_irq; -#ifdef CONFIG_SERIAL_BFIN_DMA - unsigned int uart_tx_dma_channel; - unsigned int uart_rx_dma_channel; -#endif -#ifdef CONFIG_SERIAL_BFIN_CTSRTS - int uart_cts_pin; - int uart_rts_pin; -#endif -}; - -struct bfin_serial_res bfin_serial_resource[] = { -#ifdef CONFIG_SERIAL_BFIN_UART0 - { - 0xFFC00400, - IRQ_UART0_RX, - IRQ_UART0_ERROR, -#ifdef CONFIG_SERIAL_BFIN_DMA - CH_UART0_TX, - CH_UART0_RX, -#endif -#ifdef CONFIG_SERIAL_BFIN_CTSRTS - CONFIG_UART0_CTS_PIN, - CONFIG_UART0_RTS_PIN, -#endif - }, -#endif -#ifdef CONFIG_SERIAL_BFIN_UART1 - { - 0xFFC02000, - IRQ_UART1_RX, - IRQ_UART1_ERROR, -#ifdef CONFIG_SERIAL_BFIN_DMA - CH_UART1_TX, - CH_UART1_RX, -#endif -#ifdef CONFIG_SERIAL_BFIN_CTSRTS - CONFIG_UART1_CTS_PIN, - CONFIG_UART1_RTS_PIN, -#endif - }, -#endif -}; - -#define DRIVER_NAME "bfin-uart" - -#include <asm/bfin_serial.h> diff --git a/arch/blackfin/mach-bf537/include/mach/irq.h b/arch/blackfin/mach-bf537/include/mach/irq.h index 1a6d617c5fcf..b6ed8235bda4 100644 --- a/arch/blackfin/mach-bf537/include/mach/irq.h +++ b/arch/blackfin/mach-bf537/include/mach/irq.h @@ -7,193 +7,178 @@ #ifndef _BF537_IRQ_H_ #define _BF537_IRQ_H_ -/* - * Interrupt source definitions - * Event Source Core Event Name - * Core Emulation ** - * Events (highest priority) EMU 0 - * Reset RST 1 - * NMI NMI 2 - * Exception EVX 3 - * Reserved -- 4 - * Hardware Error IVHW 5 - * Core Timer IVTMR 6 - * ..... - * - * Softirq IVG14 - * System Call -- - * (lowest priority) IVG15 - */ - -#define SYS_IRQS 39 -#define NR_PERI_INTS 32 - -/* The ABSTRACT IRQ definitions */ -/** the first seven of the following are fixed, the rest you change if you need to **/ -#define IRQ_EMU 0 /*Emulation */ -#define IRQ_RST 1 /*reset */ -#define IRQ_NMI 2 /*Non Maskable */ -#define IRQ_EVX 3 /*Exception */ -#define IRQ_UNUSED 4 /*- unused interrupt*/ -#define IRQ_HWERR 5 /*Hardware Error */ -#define IRQ_CORETMR 6 /*Core timer */ - -#define IRQ_PLL_WAKEUP 7 /*PLL Wakeup Interrupt */ -#define IRQ_DMA_ERROR 8 /*DMA Error (general) */ -#define IRQ_GENERIC_ERROR 9 /*GENERIC Error Interrupt */ -#define IRQ_RTC 10 /*RTC Interrupt */ -#define IRQ_PPI 11 /*DMA0 Interrupt (PPI) */ -#define IRQ_SPORT0_RX 12 /*DMA3 Interrupt (SPORT0 RX) */ -#define IRQ_SPORT0_TX 13 /*DMA4 Interrupt (SPORT0 TX) */ -#define IRQ_SPORT1_RX 14 /*DMA5 Interrupt (SPORT1 RX) */ -#define IRQ_SPORT1_TX 15 /*DMA6 Interrupt (SPORT1 TX) */ -#define IRQ_TWI 16 /*TWI Interrupt */ -#define IRQ_SPI 17 /*DMA7 Interrupt (SPI) */ -#define IRQ_UART0_RX 18 /*DMA8 Interrupt (UART0 RX) */ -#define IRQ_UART0_TX 19 /*DMA9 Interrupt (UART0 TX) */ -#define IRQ_UART1_RX 20 /*DMA10 Interrupt (UART1 RX) */ -#define IRQ_UART1_TX 21 /*DMA11 Interrupt (UART1 TX) */ -#define IRQ_CAN_RX 22 /*CAN Receive Interrupt */ -#define IRQ_CAN_TX 23 /*CAN Transmit Interrupt */ -#define IRQ_MAC_RX 24 /*DMA1 (Ethernet RX) Interrupt */ -#define IRQ_MAC_TX 25 /*DMA2 (Ethernet TX) Interrupt */ -#define IRQ_TIMER0 26 /*Timer 0 */ -#define IRQ_TIMER1 27 /*Timer 1 */ -#define IRQ_TIMER2 28 /*Timer 2 */ -#define IRQ_TIMER3 29 /*Timer 3 */ -#define IRQ_TIMER4 30 /*Timer 4 */ -#define IRQ_TIMER5 31 /*Timer 5 */ -#define IRQ_TIMER6 32 /*Timer 6 */ -#define IRQ_TIMER7 33 /*Timer 7 */ -#define IRQ_PROG_INTA 34 /* PF Ports F&G (PF15:0) Interrupt A */ -#define IRQ_PORTG_INTB 35 /* PF Port G (PF15:0) Interrupt B */ -#define IRQ_MEM_DMA0 36 /*(Memory DMA Stream 0) */ -#define IRQ_MEM_DMA1 37 /*(Memory DMA Stream 1) */ -#define IRQ_PROG_INTB 38 /* PF Ports F (PF15:0) Interrupt B */ -#define IRQ_WATCH 38 /*Watch Dog Timer */ - -#define IRQ_PPI_ERROR 42 /*PPI Error Interrupt */ -#define IRQ_CAN_ERROR 43 /*CAN Error Interrupt */ -#define IRQ_MAC_ERROR 44 /*MAC Status/Error Interrupt */ -#define IRQ_SPORT0_ERROR 45 /*SPORT0 Error Interrupt */ -#define IRQ_SPORT1_ERROR 46 /*SPORT1 Error Interrupt */ -#define IRQ_SPI_ERROR 47 /*SPI Error Interrupt */ -#define IRQ_UART0_ERROR 48 /*UART Error Interrupt */ -#define IRQ_UART1_ERROR 49 /*UART Error Interrupt */ - -#define IRQ_PF0 50 -#define IRQ_PF1 51 -#define IRQ_PF2 52 -#define IRQ_PF3 53 -#define IRQ_PF4 54 -#define IRQ_PF5 55 -#define IRQ_PF6 56 -#define IRQ_PF7 57 -#define IRQ_PF8 58 -#define IRQ_PF9 59 -#define IRQ_PF10 60 -#define IRQ_PF11 61 -#define IRQ_PF12 62 -#define IRQ_PF13 63 -#define IRQ_PF14 64 -#define IRQ_PF15 65 - -#define IRQ_PG0 66 -#define IRQ_PG1 67 -#define IRQ_PG2 68 -#define IRQ_PG3 69 -#define IRQ_PG4 70 -#define IRQ_PG5 71 -#define IRQ_PG6 72 -#define IRQ_PG7 73 -#define IRQ_PG8 74 -#define IRQ_PG9 75 -#define IRQ_PG10 76 -#define IRQ_PG11 77 -#define IRQ_PG12 78 -#define IRQ_PG13 79 -#define IRQ_PG14 80 -#define IRQ_PG15 81 - -#define IRQ_PH0 82 -#define IRQ_PH1 83 -#define IRQ_PH2 84 -#define IRQ_PH3 85 -#define IRQ_PH4 86 -#define IRQ_PH5 87 -#define IRQ_PH6 88 -#define IRQ_PH7 89 -#define IRQ_PH8 90 -#define IRQ_PH9 91 -#define IRQ_PH10 92 -#define IRQ_PH11 93 -#define IRQ_PH12 94 -#define IRQ_PH13 95 -#define IRQ_PH14 96 -#define IRQ_PH15 97 - -#define GPIO_IRQ_BASE IRQ_PF0 - -#define IRQ_MAC_PHYINT 98 /* PHY_INT Interrupt */ -#define IRQ_MAC_MMCINT 99 /* MMC Counter Interrupt */ -#define IRQ_MAC_RXFSINT 100 /* RX Frame-Status Interrupt */ -#define IRQ_MAC_TXFSINT 101 /* TX Frame-Status Interrupt */ -#define IRQ_MAC_WAKEDET 102 /* Wake-Up Interrupt */ -#define IRQ_MAC_RXDMAERR 103 /* RX DMA Direction Error Interrupt */ -#define IRQ_MAC_TXDMAERR 104 /* TX DMA Direction Error Interrupt */ -#define IRQ_MAC_STMDONE 105 /* Station Mgt. Transfer Done Interrupt */ - -#define NR_MACH_IRQS (IRQ_MAC_STMDONE + 1) -#define NR_IRQS (NR_MACH_IRQS + NR_SPARE_IRQS) - -#define IVG7 7 -#define IVG8 8 -#define IVG9 9 -#define IVG10 10 -#define IVG11 11 -#define IVG12 12 -#define IVG13 13 -#define IVG14 14 -#define IVG15 15 - -/* IAR0 BIT FIELDS*/ -#define IRQ_PLL_WAKEUP_POS 0 -#define IRQ_DMA_ERROR_POS 4 -#define IRQ_ERROR_POS 8 -#define IRQ_RTC_POS 12 -#define IRQ_PPI_POS 16 -#define IRQ_SPORT0_RX_POS 20 -#define IRQ_SPORT0_TX_POS 24 -#define IRQ_SPORT1_RX_POS 28 - -/* IAR1 BIT FIELDS*/ -#define IRQ_SPORT1_TX_POS 0 -#define IRQ_TWI_POS 4 -#define IRQ_SPI_POS 8 -#define IRQ_UART0_RX_POS 12 -#define IRQ_UART0_TX_POS 16 -#define IRQ_UART1_RX_POS 20 -#define IRQ_UART1_TX_POS 24 -#define IRQ_CAN_RX_POS 28 - -/* IAR2 BIT FIELDS*/ -#define IRQ_CAN_TX_POS 0 -#define IRQ_MAC_RX_POS 4 -#define IRQ_MAC_TX_POS 8 -#define IRQ_TIMER0_POS 12 -#define IRQ_TIMER1_POS 16 -#define IRQ_TIMER2_POS 20 -#define IRQ_TIMER3_POS 24 -#define IRQ_TIMER4_POS 28 - -/* IAR3 BIT FIELDS*/ -#define IRQ_TIMER5_POS 0 -#define IRQ_TIMER6_POS 4 -#define IRQ_TIMER7_POS 8 -#define IRQ_PROG_INTA_POS 12 -#define IRQ_PORTG_INTB_POS 16 -#define IRQ_MEM_DMA0_POS 20 -#define IRQ_MEM_DMA1_POS 24 -#define IRQ_WATCH_POS 28 - -#endif /* _BF537_IRQ_H_ */ +#include <mach-common/irq.h> + +#define NR_PERI_INTS 32 + +#define IRQ_PLL_WAKEUP BFIN_IRQ(0) /* PLL Wakeup Interrupt */ +#define IRQ_DMA_ERROR BFIN_IRQ(1) /* DMA Error (general) */ +#define IRQ_GENERIC_ERROR BFIN_IRQ(2) /* GENERIC Error Interrupt */ +#define IRQ_RTC BFIN_IRQ(3) /* RTC Interrupt */ +#define IRQ_PPI BFIN_IRQ(4) /* DMA0 Interrupt (PPI) */ +#define IRQ_SPORT0_RX BFIN_IRQ(5) /* DMA3 Interrupt (SPORT0 RX) */ +#define IRQ_SPORT0_TX BFIN_IRQ(6) /* DMA4 Interrupt (SPORT0 TX) */ +#define IRQ_SPORT1_RX BFIN_IRQ(7) /* DMA5 Interrupt (SPORT1 RX) */ +#define IRQ_SPORT1_TX BFIN_IRQ(8) /* DMA6 Interrupt (SPORT1 TX) */ +#define IRQ_TWI BFIN_IRQ(9) /* TWI Interrupt */ +#define IRQ_SPI BFIN_IRQ(10) /* DMA7 Interrupt (SPI) */ +#define IRQ_UART0_RX BFIN_IRQ(11) /* DMA8 Interrupt (UART0 RX) */ +#define IRQ_UART0_TX BFIN_IRQ(12) /* DMA9 Interrupt (UART0 TX) */ +#define IRQ_UART1_RX BFIN_IRQ(13) /* DMA10 Interrupt (UART1 RX) */ +#define IRQ_UART1_TX BFIN_IRQ(14) /* DMA11 Interrupt (UART1 TX) */ +#define IRQ_CAN_RX BFIN_IRQ(15) /* CAN Receive Interrupt */ +#define IRQ_CAN_TX BFIN_IRQ(16) /* CAN Transmit Interrupt */ +#define IRQ_PH_INTA_MAC_RX BFIN_IRQ(17) /* Port H Interrupt A & DMA1 Interrupt (Ethernet RX) */ +#define IRQ_PH_INTB_MAC_TX BFIN_IRQ(18) /* Port H Interrupt B & DMA2 Interrupt (Ethernet TX) */ +#define IRQ_TIMER0 BFIN_IRQ(19) /* Timer 0 */ +#define IRQ_TIMER1 BFIN_IRQ(20) /* Timer 1 */ +#define IRQ_TIMER2 BFIN_IRQ(21) /* Timer 2 */ +#define IRQ_TIMER3 BFIN_IRQ(22) /* Timer 3 */ +#define IRQ_TIMER4 BFIN_IRQ(23) /* Timer 4 */ +#define IRQ_TIMER5 BFIN_IRQ(24) /* Timer 5 */ +#define IRQ_TIMER6 BFIN_IRQ(25) /* Timer 6 */ +#define IRQ_TIMER7 BFIN_IRQ(26) /* Timer 7 */ +#define IRQ_PF_INTA_PG_INTA BFIN_IRQ(27) /* Ports F&G Interrupt A */ +#define IRQ_PORTG_INTB BFIN_IRQ(28) /* Port G Interrupt B */ +#define IRQ_MEM_DMA0 BFIN_IRQ(29) /* (Memory DMA Stream 0) */ +#define IRQ_MEM_DMA1 BFIN_IRQ(30) /* (Memory DMA Stream 1) */ +#define IRQ_PF_INTB_WATCH BFIN_IRQ(31) /* Watchdog & Port F Interrupt B */ + +#define SYS_IRQS 39 + +#define IRQ_PPI_ERROR 42 /* PPI Error Interrupt */ +#define IRQ_CAN_ERROR 43 /* CAN Error Interrupt */ +#define IRQ_MAC_ERROR 44 /* MAC Status/Error Interrupt */ +#define IRQ_SPORT0_ERROR 45 /* SPORT0 Error Interrupt */ +#define IRQ_SPORT1_ERROR 46 /* SPORT1 Error Interrupt */ +#define IRQ_SPI_ERROR 47 /* SPI Error Interrupt */ +#define IRQ_UART0_ERROR 48 /* UART Error Interrupt */ +#define IRQ_UART1_ERROR 49 /* UART Error Interrupt */ + +#define IRQ_PF0 50 +#define IRQ_PF1 51 +#define IRQ_PF2 52 +#define IRQ_PF3 53 +#define IRQ_PF4 54 +#define IRQ_PF5 55 +#define IRQ_PF6 56 +#define IRQ_PF7 57 +#define IRQ_PF8 58 +#define IRQ_PF9 59 +#define IRQ_PF10 60 +#define IRQ_PF11 61 +#define IRQ_PF12 62 +#define IRQ_PF13 63 +#define IRQ_PF14 64 +#define IRQ_PF15 65 + +#define IRQ_PG0 66 +#define IRQ_PG1 67 +#define IRQ_PG2 68 +#define IRQ_PG3 69 +#define IRQ_PG4 70 +#define IRQ_PG5 71 +#define IRQ_PG6 72 +#define IRQ_PG7 73 +#define IRQ_PG8 74 +#define IRQ_PG9 75 +#define IRQ_PG10 76 +#define IRQ_PG11 77 +#define IRQ_PG12 78 +#define IRQ_PG13 79 +#define IRQ_PG14 80 +#define IRQ_PG15 81 + +#define IRQ_PH0 82 +#define IRQ_PH1 83 +#define IRQ_PH2 84 +#define IRQ_PH3 85 +#define IRQ_PH4 86 +#define IRQ_PH5 87 +#define IRQ_PH6 88 +#define IRQ_PH7 89 +#define IRQ_PH8 90 +#define IRQ_PH9 91 +#define IRQ_PH10 92 +#define IRQ_PH11 93 +#define IRQ_PH12 94 +#define IRQ_PH13 95 +#define IRQ_PH14 96 +#define IRQ_PH15 97 + +#define GPIO_IRQ_BASE IRQ_PF0 + +#define IRQ_MAC_PHYINT 98 /* PHY_INT Interrupt */ +#define IRQ_MAC_MMCINT 99 /* MMC Counter Interrupt */ +#define IRQ_MAC_RXFSINT 100 /* RX Frame-Status Interrupt */ +#define IRQ_MAC_TXFSINT 101 /* TX Frame-Status Interrupt */ +#define IRQ_MAC_WAKEDET 102 /* Wake-Up Interrupt */ +#define IRQ_MAC_RXDMAERR 103 /* RX DMA Direction Error Interrupt */ +#define IRQ_MAC_TXDMAERR 104 /* TX DMA Direction Error Interrupt */ +#define IRQ_MAC_STMDONE 105 /* Station Mgt. Transfer Done Interrupt */ + +#define IRQ_MAC_RX 106 /* DMA1 Interrupt (Ethernet RX) */ +#define IRQ_PORTH_INTA 107 /* Port H Interrupt A */ + +#if 0 /* No Interrupt B support (yet) */ +#define IRQ_MAC_TX 108 /* DMA2 Interrupt (Ethernet TX) */ +#define IRQ_PORTH_INTB 109 /* Port H Interrupt B */ +#else +#define IRQ_MAC_TX IRQ_PH_INTB_MAC_TX +#endif + +#define IRQ_PORTF_INTA 110 /* Port F Interrupt A */ +#define IRQ_PORTG_INTA 111 /* Port G Interrupt A */ + +#if 0 /* No Interrupt B support (yet) */ +#define IRQ_WATCH 112 /* Watchdog Timer */ +#define IRQ_PORTF_INTB 113 /* Port F Interrupt B */ +#else +#define IRQ_WATCH IRQ_PF_INTB_WATCH +#endif + +#define NR_MACH_IRQS (113 + 1) + +/* IAR0 BIT FIELDS */ +#define IRQ_PLL_WAKEUP_POS 0 +#define IRQ_DMA_ERROR_POS 4 +#define IRQ_ERROR_POS 8 +#define IRQ_RTC_POS 12 +#define IRQ_PPI_POS 16 +#define IRQ_SPORT0_RX_POS 20 +#define IRQ_SPORT0_TX_POS 24 +#define IRQ_SPORT1_RX_POS 28 + +/* IAR1 BIT FIELDS */ +#define IRQ_SPORT1_TX_POS 0 +#define IRQ_TWI_POS 4 +#define IRQ_SPI_POS 8 +#define IRQ_UART0_RX_POS 12 +#define IRQ_UART0_TX_POS 16 +#define IRQ_UART1_RX_POS 20 +#define IRQ_UART1_TX_POS 24 +#define IRQ_CAN_RX_POS 28 + +/* IAR2 BIT FIELDS */ +#define IRQ_CAN_TX_POS 0 +#define IRQ_MAC_RX_POS 4 +#define IRQ_MAC_TX_POS 8 +#define IRQ_TIMER0_POS 12 +#define IRQ_TIMER1_POS 16 +#define IRQ_TIMER2_POS 20 +#define IRQ_TIMER3_POS 24 +#define IRQ_TIMER4_POS 28 + +/* IAR3 BIT FIELDS */ +#define IRQ_TIMER5_POS 0 +#define IRQ_TIMER6_POS 4 +#define IRQ_TIMER7_POS 8 +#define IRQ_PROG_INTA_POS 12 +#define IRQ_PORTG_INTB_POS 16 +#define IRQ_MEM_DMA0_POS 20 +#define IRQ_MEM_DMA1_POS 24 +#define IRQ_WATCH_POS 28 + +#define init_mach_irq init_mach_irq + +#endif diff --git a/arch/blackfin/mach-bf537/ints-priority.c b/arch/blackfin/mach-bf537/ints-priority.c index f6500622b35d..2137a209a22b 100644 --- a/arch/blackfin/mach-bf537/ints-priority.c +++ b/arch/blackfin/mach-bf537/ints-priority.c @@ -10,6 +10,13 @@ #include <linux/irq.h> #include <asm/blackfin.h> +#include <asm/irq_handler.h> +#include <asm/bfin5xx_spi.h> +#include <asm/bfin_sport.h> +#include <asm/bfin_can.h> +#include <asm/bfin_dma.h> +#include <asm/dpmc.h> + void __init program_IAR(void) { /* Program the IAR0 Register with the configured priority */ @@ -51,3 +58,159 @@ void __init program_IAR(void) SSYNC(); } + +#define SPI_ERR_MASK (BIT_STAT_TXCOL | BIT_STAT_RBSY | BIT_STAT_MODF | BIT_STAT_TXE) /* SPI_STAT */ +#define SPORT_ERR_MASK (ROVF | RUVF | TOVF | TUVF) /* SPORT_STAT */ +#define PPI_ERR_MASK (0xFFFF & ~FLD) /* PPI_STATUS */ +#define EMAC_ERR_MASK (PHYINT | MMCINT | RXFSINT | TXFSINT | WAKEDET | RXDMAERR | TXDMAERR | STMDONE) /* EMAC_SYSTAT */ +#define UART_ERR_MASK (0x6) /* UART_IIR */ +#define CAN_ERR_MASK (EWTIF | EWRIF | EPIF | BOIF | WUIF | UIAIF | AAIF | RMLIF | UCEIF | EXTIF | ADIF) /* CAN_GIF */ + +static int error_int_mask; + +static void bf537_generic_error_mask_irq(struct irq_data *d) +{ + error_int_mask &= ~(1L << (d->irq - IRQ_PPI_ERROR)); + if (!error_int_mask) + bfin_internal_mask_irq(IRQ_GENERIC_ERROR); +} + +static void bf537_generic_error_unmask_irq(struct irq_data *d) +{ + bfin_internal_unmask_irq(IRQ_GENERIC_ERROR); + error_int_mask |= 1L << (d->irq - IRQ_PPI_ERROR); +} + +static struct irq_chip bf537_generic_error_irqchip = { + .name = "ERROR", + .irq_ack = bfin_ack_noop, + .irq_mask_ack = bf537_generic_error_mask_irq, + .irq_mask = bf537_generic_error_mask_irq, + .irq_unmask = bf537_generic_error_unmask_irq, +}; + +static void bf537_demux_error_irq(unsigned int int_err_irq, + struct irq_desc *inta_desc) +{ + int irq = 0; + +#if (defined(CONFIG_BF537) || defined(CONFIG_BF536)) + if (bfin_read_EMAC_SYSTAT() & EMAC_ERR_MASK) + irq = IRQ_MAC_ERROR; + else +#endif + if (bfin_read_SPORT0_STAT() & SPORT_ERR_MASK) + irq = IRQ_SPORT0_ERROR; + else if (bfin_read_SPORT1_STAT() & SPORT_ERR_MASK) + irq = IRQ_SPORT1_ERROR; + else if (bfin_read_PPI_STATUS() & PPI_ERR_MASK) + irq = IRQ_PPI_ERROR; + else if (bfin_read_CAN_GIF() & CAN_ERR_MASK) + irq = IRQ_CAN_ERROR; + else if (bfin_read_SPI_STAT() & SPI_ERR_MASK) + irq = IRQ_SPI_ERROR; + else if ((bfin_read_UART0_IIR() & UART_ERR_MASK) == UART_ERR_MASK) + irq = IRQ_UART0_ERROR; + else if ((bfin_read_UART1_IIR() & UART_ERR_MASK) == UART_ERR_MASK) + irq = IRQ_UART1_ERROR; + + if (irq) { + if (error_int_mask & (1L << (irq - IRQ_PPI_ERROR))) + bfin_handle_irq(irq); + else { + + switch (irq) { + case IRQ_PPI_ERROR: + bfin_write_PPI_STATUS(PPI_ERR_MASK); + break; +#if (defined(CONFIG_BF537) || defined(CONFIG_BF536)) + case IRQ_MAC_ERROR: + bfin_write_EMAC_SYSTAT(EMAC_ERR_MASK); + break; +#endif + case IRQ_SPORT0_ERROR: + bfin_write_SPORT0_STAT(SPORT_ERR_MASK); + break; + + case IRQ_SPORT1_ERROR: + bfin_write_SPORT1_STAT(SPORT_ERR_MASK); + break; + + case IRQ_CAN_ERROR: + bfin_write_CAN_GIS(CAN_ERR_MASK); + break; + + case IRQ_SPI_ERROR: + bfin_write_SPI_STAT(SPI_ERR_MASK); + break; + + default: + break; + } + + pr_debug("IRQ %d:" + " MASKED PERIPHERAL ERROR INTERRUPT ASSERTED\n", + irq); + } + } else + pr_err("%s: IRQ ?: PERIPHERAL ERROR INTERRUPT ASSERTED BUT NO SOURCE FOUND\n", + __func__); + +} + +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) +static int mac_rx_int_mask; + +static void bf537_mac_rx_mask_irq(struct irq_data *d) +{ + mac_rx_int_mask &= ~(1L << (d->irq - IRQ_MAC_RX)); + if (!mac_rx_int_mask) + bfin_internal_mask_irq(IRQ_PH_INTA_MAC_RX); +} + +static void bf537_mac_rx_unmask_irq(struct irq_data *d) +{ + bfin_internal_unmask_irq(IRQ_PH_INTA_MAC_RX); + mac_rx_int_mask |= 1L << (d->irq - IRQ_MAC_RX); +} + +static struct irq_chip bf537_mac_rx_irqchip = { + .name = "ERROR", + .irq_ack = bfin_ack_noop, + .irq_mask_ack = bf537_mac_rx_mask_irq, + .irq_mask = bf537_mac_rx_mask_irq, + .irq_unmask = bf537_mac_rx_unmask_irq, +}; + +static void bf537_demux_mac_rx_irq(unsigned int int_irq, + struct irq_desc *desc) +{ + if (bfin_read_DMA1_IRQ_STATUS() & (DMA_DONE | DMA_ERR)) + bfin_handle_irq(IRQ_MAC_RX); + else + bfin_demux_gpio_irq(int_irq, desc); +} +#endif + +void __init init_mach_irq(void) +{ + int irq; + +#if defined(CONFIG_BF537) || defined(CONFIG_BF536) + /* Clear EMAC Interrupt Status bits so we can demux it later */ + bfin_write_EMAC_SYSTAT(-1); +#endif + + irq_set_chained_handler(IRQ_GENERIC_ERROR, bf537_demux_error_irq); + for (irq = IRQ_PPI_ERROR; irq <= IRQ_UART1_ERROR; irq++) + irq_set_chip_and_handler(irq, &bf537_generic_error_irqchip, + handle_level_irq); + +#if defined(CONFIG_BFIN_MAC) || defined(CONFIG_BFIN_MAC_MODULE) + irq_set_chained_handler(IRQ_PH_INTA_MAC_RX, bf537_demux_mac_rx_irq); + irq_set_chip_and_handler(IRQ_MAC_RX, &bf537_mac_rx_irqchip, handle_level_irq); + irq_set_chip_and_handler(IRQ_PORTH_INTA, &bf537_mac_rx_irqchip, handle_level_irq); + + irq_set_chained_handler(IRQ_MAC_ERROR, bfin_demux_mac_status_irq); +#endif +} |