FreeCalypso > hg > freecalypso-sw
view gsm-fw/nucleus/demo/calirq.h @ 480:334a3381f569
os_mis_fl.c: easy functions reconstructed, hard ones stubbed out
author | Michael Spacefalcon <msokolov@ivan.Harhan.ORG> |
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date | Sun, 29 Jun 2014 03:27:23 +0000 |
parents | afceeeb2cba1 |
children |
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/* * Definitions for Calypso IRQ numbers and the related registers * Added to the FreeNucleus Calypso port by Spacefalcon the Outlaw. * * This header is usable from both .c and .S source files. */ #ifndef _CALYPSO_IRQ_H #define _CALYPSO_IRQ_H #define IRQ_WATCHDOG 0 #define IRQ_TIMER1 1 #define IRQ_TIMER2 2 #define IRQ_TSP_RX 3 #define IRQ_TPU_FRAME 4 #define IRQ_TPU_PAGE 5 #define IRQ_SIMCARD 6 #define IRQ_UART_MODEM 7 #define IRQ_KEYPAD_GPIO 8 #define IRQ_RTC_TIMER 9 #define IRQ_RTC_ALARM_I2C 10 #define IRQ_ULPD_GAUGING 11 #define IRQ_EXTERNAL 12 #define IRQ_SPI 13 #define IRQ_DMA 14 #define IRQ_API 15 #define IRQ_SIM_DETECT 16 #define IRQ_EXTERNAL_FIQ 17 #define IRQ_UART_IRDA 18 #define IRQ_ULPD_GSM_TIMER 19 #define IRQ_GEA 20 #define MAX_IRQ_NUM 20 #define INTH_BASE_ADDR 0xFFFFFA00 #ifdef __ASSEMBLER__ /* * Assembly source with cpp * * The most convenient way to access registers like these from ARM * assembly is to load the base address of the register block in some * ARM register, using only one ldr rN, =xxx instruction and only one * literal pool entry, and then access various registers in the block * from the same base using the immediate offset addressing mode. * * Here we define the offsets for the usage scenario above. */ #define IT_REG1 0x00 #define IT_REG2 0x02 #define MASK_IT_REG1 0x08 #define MASK_IT_REG2 0x0A #define IRQ_NUM 0x10 #define FIQ_NUM 0x12 #define IRQ_CTRL 0x14 #define ILR_OFFSET 0x20 #else /* * C source * * For access from C, we define the layout of the INTH register block * as a struct, and then define a pleudo-global-var for easy "volatile" * access. */ struct inth_regs { unsigned short it_reg1; unsigned short it_reg2; unsigned short pad1[2]; unsigned short mask_it_reg1; unsigned short mask_it_reg2; unsigned short pad2[2]; unsigned short irq_num; unsigned short fiq_num; unsigned short irq_ctrl; unsigned short pad3[5]; unsigned short ilr_irq[MAX_IRQ_NUM+1]; }; #define INTH_REGS (*(volatile struct inth_regs *) INTH_BASE_ADDR) /* * C code can now access INTH registers like this: * * old_mask = INTH_REGS.mask_it_reg1; * INTH_REGS.mask_it_reg1 = new_mask; */ #endif #endif /* _CALYPSO_IRQ_H */