rt-thread-official/bsp/qemu-vexpress-a9/drivers/realview.h

341 lines
14 KiB
C

/*
* Copyright (c) 2006-2021, RT-Thread Development Team
*
* SPDX-License-Identifier: Apache-2.0
*
* Change Logs:
* Date Author Notes
* 2020/12/31 Bernard Add license info
*/
#ifndef __REALVIEW_H__
#define __REALVIEW_H__
#define __REG32(x) (*((volatile unsigned int *)(x)))
#define __REG16(x) (*((volatile unsigned short *)(x)))
/*
* Peripheral addresses
*/
#define REALVIEW_UART0_BASE 0x10009000 /* UART 0 */
#define REALVIEW_UART1_BASE 0x1000A000 /* UART 1 */
#define REALVIEW_UART2_BASE 0x1000B000 /* UART 2 */
#define REALVIEW_UART3_BASE 0x1000C000 /* UART 3 */
#define REALVIEW_SSP_BASE 0x1000D000 /* Synchronous Serial Port */
#define REALVIEW_WATCHDOG0_BASE 0x1000F000 /* Watchdog 0 */
#define REALVIEW_WATCHDOG_BASE 0x10010000 /* watchdog interface */
#define REALVIEW_TIMER0_1_BASE 0x10011000 /* Timer 0 and 1 */
#define REALVIEW_TIMER2_3_BASE 0x10012000 /* Timer 2 and 3 */
#define REALVIEW_GPIO0_BASE 0x10013000 /* GPIO port 0 */
#define REALVIEW_RTC_BASE 0x10017000 /* Real Time Clock */
#define REALVIEW_TIMER4_5_BASE 0x10018000 /* Timer 4/5 */
#define REALVIEW_TIMER6_7_BASE 0x10019000 /* Timer 6/7 */
#define REALVIEW_SCTL_BASE 0x10001000 /* System Controller */
#define REALVIEW_CLCD_BASE 0x10020000 /* CLCD */
#define REALVIEW_ONB_SRAM_BASE 0x10060000 /* On-board SRAM */
#define REALVIEW_DMC_BASE 0x100E0000 /* DMC configuration */
#define REALVIEW_SMC_BASE 0x100E1000 /* SMC configuration */
#define REALVIEW_CAN_BASE 0x100E2000 /* CAN bus */
#define REALVIEW_GIC_CPU_BASE 0x1E000100 /* Generic interrupt controller CPU interface */
#define REALVIEW_FLASH0_BASE 0x40000000
#define REALVIEW_FLASH0_SIZE SZ_64M
#define REALVIEW_FLASH1_BASE 0x44000000
#define REALVIEW_FLASH1_SIZE SZ_64M
#define VEXPRESS_SRAM_BASE 0x48000000
#define REALVIEW_ETH_BASE 0x4E000000 /* Ethernet */
#define VEXPRESS_ETH_BASE 0x4E000000 /* Ethernet */
#define REALVIEW_USB_BASE 0x4F000000 /* USB */
#define REALVIEW_GIC_DIST_BASE 0x1E001000 /* Generic interrupt controller distributor */
#define REALVIEW_LT_BASE 0xC0000000 /* Logic Tile expansion */
#define REALVIEW_SDRAM6_BASE 0x70000000 /* SDRAM bank 6 256MB */
#define REALVIEW_SDRAM7_BASE 0x80000000 /* SDRAM bank 7 256MB */
#define REALVIEW_SYS_PLD_CTRL1 0x74
/*
* PCI regions
*/
#define REALVIEW_PCI_BASE 0x90040000 /* PCI-X Unit base */
#define REALVIEW_PCI_IO_BASE 0x90050000 /* IO Region on AHB */
#define REALVIEW_PCI_MEM_BASE 0xA0000000 /* MEM Region on AHB */
#define REALVIEW_PCI_BASE_SIZE 0x10000 /* 16 Kb */
#define REALVIEW_PCI_IO_SIZE 0x1000 /* 4 Kb */
#define REALVIEW_PCI_MEM_SIZE 0x20000000 /* 512 MB */
/*
* Memory definitions
*/
#define REALVIEW_BOOT_ROM_LO 0x30000000 /* DoC Base (64Mb)... */
#define REALVIEW_BOOT_ROM_HI 0x30000000
#define REALVIEW_BOOT_ROM_BASE REALVIEW_BOOT_ROM_HI /* Normal position */
#define REALVIEW_BOOT_ROM_SIZE SZ_64M
#define REALVIEW_SSRAM_BASE /* REALVIEW_SSMC_BASE ? */
#define REALVIEW_SSRAM_SIZE SZ_2M
/*
* SDRAM
*/
#define REALVIEW_SDRAM_BASE 0x00000000
/*
* Logic expansion modules
*
*/
#define IRQ_PBA8_GIC_START 32
/*
* PB-A8 on-board gic irq sources
*/
#define IRQ_PBA8_WATCHDOG (IRQ_PBA8_GIC_START + 0) /* Watchdog timer */
#define IRQ_PBA8_SOFT (IRQ_PBA8_GIC_START + 1) /* Software interrupt */
#define IRQ_PBA8_TIMER0_1 (IRQ_PBA8_GIC_START + 2) /* Timer 0/1 (default timer) */
#define IRQ_PBA8_TIMER2_3 (IRQ_PBA8_GIC_START + 3) /* Timer 2/3 */
#define IRQ_PBA8_RTC (IRQ_PBA8_GIC_START + 4) /* Timer 2/3 */
#define IRQ_VEXPRESS_A9_RTC (IRQ_PBA8_GIC_START + 4)
#define IRQ_PBA8_UART0 (IRQ_PBA8_GIC_START + 5) /* UART 0 on development chip */
#define IRQ_PBA8_UART1 (IRQ_PBA8_GIC_START + 6) /* UART 1 on development chip */
#define IRQ_PBA8_UART2 (IRQ_PBA8_GIC_START + 7) /* UART 2 on development chip */
#define IRQ_PBA8_UART3 (IRQ_PBA8_GIC_START + 8) /* UART 3 on development chip */
#define IRQ_VEXPRESS_A9_KBD (IRQ_PBA8_GIC_START + 12)
#define IRQ_VEXPRESS_A9_MOUSE (IRQ_PBA8_GIC_START + 13)
#define IRQ_VEXPRESS_A9_CLCD (IRQ_PBA8_GIC_START + 14)
#define IRQ_VEXPRESS_A9_ETH (IRQ_PBA8_GIC_START + 15)
/* 9 reserved */
#define IRQ_PBA8_SSP (IRQ_PBA8_GIC_START + 11) /* Synchronous Serial Port */
#define IRQ_PBA8_SCI (IRQ_PBA8_GIC_START + 16) /* Smart Card Interface */
#define IRQ_PBA8_MMCI0A (IRQ_PBA8_GIC_START + 17) /* Multimedia Card 0A */
#define IRQ_PBA8_MMCI0B (IRQ_PBA8_GIC_START + 18) /* Multimedia Card 0B */
#define IRQ_PBA8_AACI (IRQ_PBA8_GIC_START + 19) /* Audio Codec */
#define IRQ_PBA8_KMI0 (IRQ_PBA8_GIC_START + 20) /* Keyboard/Mouse port 0 */
#define IRQ_PBA8_KMI1 (IRQ_PBA8_GIC_START + 21) /* Keyboard/Mouse port 1 */
#define IRQ_PBA8_CHARLCD (IRQ_PBA8_GIC_START + 22) /* Character LCD */
#define IRQ_PBA8_CLCD (IRQ_PBA8_GIC_START + 23) /* CLCD controller */
#define IRQ_PBA8_DMAC (IRQ_PBA8_GIC_START + 24) /* DMA controller */
#define IRQ_PBA8_PWRFAIL (IRQ_PBA8_GIC_START + 25) /* Power failure */
#define IRQ_PBA8_PISMO (IRQ_PBA8_GIC_START + 26) /* PISMO interface */
#define IRQ_PBA8_DoC (IRQ_PBA8_GIC_START + 27) /* Disk on Chip memory controller */
#define IRQ_PBA8_ETH (IRQ_PBA8_GIC_START + 28) /* Ethernet controller */
#define IRQ_PBA8_USB (IRQ_PBA8_GIC_START + 29) /* USB controller */
#define IRQ_PBA8_TSPEN (IRQ_PBA8_GIC_START + 30) /* Touchscreen pen */
#define IRQ_PBA8_TSKPAD (IRQ_PBA8_GIC_START + 31) /* Touchscreen keypad */
#define IRQ_PBA8_PMU (IRQ_PBA8_GIC_START + 47) /* Cortex-A8 PMU */
/* ... */
#define IRQ_PBA8_PCI0 (IRQ_PBA8_GIC_START + 50)
#define IRQ_PBA8_PCI1 (IRQ_PBA8_GIC_START + 51)
#define IRQ_PBA8_PCI2 (IRQ_PBA8_GIC_START + 52)
#define IRQ_PBA8_PCI3 (IRQ_PBA8_GIC_START + 53)
#define IRQ_PBA8_SMC -1
#define IRQ_PBA8_SCTL -1
#define NR_GIC_PBA8 1
/*
* Only define NR_IRQS if less than NR_IRQS_PBA8
*/
#define NR_IRQS_PBA8 (IRQ_PBA8_GIC_START + 64)
/* ------------------------------------------------------------------------
* RealView Registers
* ------------------------------------------------------------------------
*
*/
#define REALVIEW_SYS_ID_OFFSET 0x00
#define REALVIEW_SYS_SW_OFFSET 0x04
#define REALVIEW_SYS_LED_OFFSET 0x08
#define REALVIEW_SYS_OSC0_OFFSET 0x0C
#define REALVIEW_SYS_OSC1_OFFSET 0x10
#define REALVIEW_SYS_OSC2_OFFSET 0x14
#define REALVIEW_SYS_OSC3_OFFSET 0x18
#define REALVIEW_SYS_OSC4_OFFSET 0x1C /* OSC1 for RealView/AB */
#define REALVIEW_SYS_LOCK_OFFSET 0x20
#define REALVIEW_SYS_100HZ_OFFSET 0x24
#define REALVIEW_SYS_CFGDATA1_OFFSET 0x28
#define REALVIEW_SYS_CFGDATA2_OFFSET 0x2C
#define REALVIEW_SYS_FLAGS_OFFSET 0x30
#define REALVIEW_SYS_FLAGSSET_OFFSET 0x30
#define REALVIEW_SYS_FLAGSCLR_OFFSET 0x34
#define REALVIEW_SYS_NVFLAGS_OFFSET 0x38
#define REALVIEW_SYS_NVFLAGSSET_OFFSET 0x38
#define REALVIEW_SYS_NVFLAGSCLR_OFFSET 0x3C
#define REALVIEW_SYS_RESETCTL_OFFSET 0x40
#define REALVIEW_SYS_PCICTL_OFFSET 0x44
#define REALVIEW_SYS_MCI_OFFSET 0x48
#define REALVIEW_SYS_FLASH_OFFSET 0x4C
#define REALVIEW_SYS_CLCD_OFFSET 0x50
#define REALVIEW_SYS_CLCDSER_OFFSET 0x54
#define REALVIEW_SYS_BOOTCS_OFFSET 0x58
#define REALVIEW_SYS_24MHz_OFFSET 0x5C
#define REALVIEW_SYS_MISC_OFFSET 0x60
#define REALVIEW_SYS_IOSEL_OFFSET 0x70
#define REALVIEW_SYS_PROCID_OFFSET 0x84
#define REALVIEW_SYS_TEST_OSC0_OFFSET 0xC0
#define REALVIEW_SYS_TEST_OSC1_OFFSET 0xC4
#define REALVIEW_SYS_TEST_OSC2_OFFSET 0xC8
#define REALVIEW_SYS_TEST_OSC3_OFFSET 0xCC
#define REALVIEW_SYS_TEST_OSC4_OFFSET 0xD0
#define REALVIEW_SYS_BASE 0x10000000
#define REALVIEW_SYS_ID (REALVIEW_SYS_BASE + REALVIEW_SYS_ID_OFFSET)
#define REALVIEW_SYS_SW (REALVIEW_SYS_BASE + REALVIEW_SYS_SW_OFFSET)
#define REALVIEW_SYS_LED (REALVIEW_SYS_BASE + REALVIEW_SYS_LED_OFFSET)
#define REALVIEW_SYS_OSC0 (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC0_OFFSET)
#define REALVIEW_SYS_OSC1 (REALVIEW_SYS_BASE + REALVIEW_SYS_OSC1_OFFSET)
#define REALVIEW_SYS_LOCK (REALVIEW_SYS_BASE + REALVIEW_SYS_LOCK_OFFSET)
#define REALVIEW_SYS_100HZ (REALVIEW_SYS_BASE + REALVIEW_SYS_100HZ_OFFSET)
#define REALVIEW_SYS_CFGDATA1 (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA1_OFFSET)
#define REALVIEW_SYS_CFGDATA2 (REALVIEW_SYS_BASE + REALVIEW_SYS_CFGDATA2_OFFSET)
#define REALVIEW_SYS_FLAGS (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGS_OFFSET)
#define REALVIEW_SYS_FLAGSSET (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSSET_OFFSET)
#define REALVIEW_SYS_FLAGSCLR (REALVIEW_SYS_BASE + REALVIEW_SYS_FLAGSCLR_OFFSET)
#define REALVIEW_SYS_NVFLAGS (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGS_OFFSET)
#define REALVIEW_SYS_NVFLAGSSET (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSSET_OFFSET)
#define REALVIEW_SYS_NVFLAGSCLR (REALVIEW_SYS_BASE + REALVIEW_SYS_NVFLAGSCLR_OFFSET)
#define REALVIEW_SYS_RESETCTL (REALVIEW_SYS_BASE + REALVIEW_SYS_RESETCTL_OFFSET)
#define REALVIEW_SYS_PCICTL (REALVIEW_SYS_BASE + REALVIEW_SYS_PCICTL_OFFSET)
#define REALVIEW_SYS_MCI (REALVIEW_SYS_BASE + REALVIEW_SYS_MCI_OFFSET)
#define REALVIEW_SYS_FLASH (REALVIEW_SYS_BASE + REALVIEW_SYS_FLASH_OFFSET)
#define REALVIEW_SYS_CLCD (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCD_OFFSET)
#define REALVIEW_SYS_CLCDSER (REALVIEW_SYS_BASE + REALVIEW_SYS_CLCDSER_OFFSET)
#define REALVIEW_SYS_BOOTCS (REALVIEW_SYS_BASE + REALVIEW_SYS_BOOTCS_OFFSET)
#define REALVIEW_SYS_24MHz (REALVIEW_SYS_BASE + REALVIEW_SYS_24MHz_OFFSET)
#define REALVIEW_SYS_MISC (REALVIEW_SYS_BASE + REALVIEW_SYS_MISC_OFFSET)
#define REALVIEW_SYS_IOSEL (REALVIEW_SYS_BASE + REALVIEW_SYS_IOSEL_OFFSET)
#define REALVIEW_SYS_PROCID (REALVIEW_SYS_BASE + REALVIEW_SYS_PROCID_OFFSET)
#define REALVIEW_SYS_TEST_OSC0 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC0_OFFSET)
#define REALVIEW_SYS_TEST_OSC1 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC1_OFFSET)
#define REALVIEW_SYS_TEST_OSC2 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC2_OFFSET)
#define REALVIEW_SYS_TEST_OSC3 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC3_OFFSET)
#define REALVIEW_SYS_TEST_OSC4 (REALVIEW_SYS_BASE + REALVIEW_SYS_TEST_OSC4_OFFSET)
#define REALVIEW_SYS_CTRL_LED (1 << 0)
/* ------------------------------------------------------------------------
* RealView control registers
* ------------------------------------------------------------------------
*/
/*
* REALVIEW_IDFIELD
*
* 31:24 = manufacturer (0x41 = ARM)
* 23:16 = architecture (0x08 = AHB system bus, ASB processor bus)
* 15:12 = FPGA (0x3 = XVC600 or XVC600E)
* 11:4 = build value
* 3:0 = revision number (0x1 = rev B (AHB))
*/
/*
* REALVIEW_SYS_LOCK
* control access to SYS_OSCx, SYS_CFGDATAx, SYS_RESETCTL,
* SYS_CLD, SYS_BOOTCS
*/
#define REALVIEW_SYS_LOCK_LOCKED (1 << 16)
#define REALVIEW_SYS_LOCKVAL 0xA05F
#define REALVIEW_SYS_LOCKVAL_MASK 0xFFFF /* write 0xA05F to enable write access */
/*
* REALVIEW_SYS_FLASH
*/
#define REALVIEW_FLASHPROG_FLVPPEN (1 << 0) /* Enable writing to flash */
/*
* REALVIEW_INTREG
* - used to acknowledge and control MMCI and UART interrupts
*/
#define REALVIEW_INTREG_WPROT 0x00 /* MMC protection status (no interrupt generated) */
#define REALVIEW_INTREG_RI0 0x01 /* Ring indicator UART0 is asserted, */
#define REALVIEW_INTREG_CARDIN 0x08 /* MMCI card in detect */
/* write 1 to acknowledge and clear */
#define REALVIEW_INTREG_RI1 0x02 /* Ring indicator UART1 is asserted, */
#define REALVIEW_INTREG_CARDINSERT 0x03 /* Signal insertion of MMC card */
/*
* LED settings, bits [7:0]
*/
#define REALVIEW_SYS_LED0 (1 << 0)
#define REALVIEW_SYS_LED1 (1 << 1)
#define REALVIEW_SYS_LED2 (1 << 2)
#define REALVIEW_SYS_LED3 (1 << 3)
#define REALVIEW_SYS_LED4 (1 << 4)
#define REALVIEW_SYS_LED5 (1 << 5)
#define REALVIEW_SYS_LED6 (1 << 6)
#define REALVIEW_SYS_LED7 (1 << 7)
#define ALL_LEDS 0xFF
#define LED_BANK REALVIEW_SYS_LED
/*
* Control registers
*/
#define REALVIEW_IDFIELD_OFFSET 0x0 /* RealView build information */
#define REALVIEW_FLASHPROG_OFFSET 0x4 /* Flash devices */
#define REALVIEW_INTREG_OFFSET 0x8 /* Interrupt control */
#define REALVIEW_DECODE_OFFSET 0xC /* Fitted logic modules */
/*
* Clean base - dummy
*
*/
#define CLEAN_BASE REALVIEW_BOOT_ROM_HI
/*
* System controller bit assignment
*/
#define REALVIEW_REFCLK 0
#define REALVIEW_TIMCLK 1
#define REALVIEW_TIMER1_EnSel 15
#define REALVIEW_TIMER2_EnSel 17
#define REALVIEW_TIMER3_EnSel 19
#define REALVIEW_TIMER4_EnSel 21
struct rt_hw_register
{
unsigned long r0;
unsigned long r1;
unsigned long r2;
unsigned long r3;
unsigned long r4;
unsigned long r5;
unsigned long r6;
unsigned long r7;
unsigned long r8;
unsigned long r9;
unsigned long r10;
unsigned long fp;
unsigned long ip;
unsigned long sp;
unsigned long lr;
unsigned long pc;
unsigned long cpsr;
unsigned long ORIG_r0;
};
#include <rtdef.h>
#include <cpuport.h>
/* Interrupt Control Interface */
#define ARM_GIC_CPU_BASE 0x1E000000
/* number of interrupts on board */
#define ARM_GIC_NR_IRQS 96
/* only one GIC available */
#define ARM_GIC_MAX_NR 1
#endif