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Merge pull request #404 from CodeConstruct:dev/gpio-interrupt

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Interrupts for GPIO

Signed-off-by: Paul Mackerras <paulus@ozlabs.org>
This commit is contained in:
Paul Mackerras
2023-09-15 09:29:51 +10:00
parent 83dcfeabf8 52da535b16
commit b7ccffe2a3
4 changed files with 197 additions and 62 deletions
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19
include/microwatt_soc.h
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@@ -14,6 +14,7 @@
#define XICS_ICP_BASE 0xc0004000 /* Interrupt controller */
#define XICS_ICS_BASE 0xc0005000 /* Interrupt controller */
#define SPI_FCTRL_BASE 0xc0006000 /* SPI flash controller registers */
#define GPIO_BASE 0xc0007000 /* GPIO registers */
#define DRAM_CTRL_BASE 0xc8000000 /* LiteDRAM control registers */
#define LETH_CSR_BASE 0xc8020000 /* LiteEth CSR registers */
#define LETH_SRAM_BASE 0xc8030000 /* LiteEth MMIO space */
@@ -26,6 +27,9 @@
*/
#define IRQ_UART0 0
#define IRQ_ETHERNET 1
#define IRQ_UART1 2
#define IRQ_SDCARD 3
#define IRQ_GPIO 4
/*
* Register definitions for the syscon registers
@@ -156,5 +160,20 @@
#define SPI_REG_AUTO_CFG_CSTOUT_SHIFT 24 /* CS timeout */
#define SPI_REG_AUTO_CFG_CSTOUT_MASK (0x3f << SPI_REG_AUTO_CFG_CSTOUT_SHIFT)
/*
* Register definitions for GPIO
*/
#define GPIO_REG_DATA_OUT 0x00
#define GPIO_REG_DATA_IN 0x04
#define GPIO_REG_DIR 0x08
#define GPIO_REG_DATA_SET 0x10
#define GPIO_REG_DATA_CLR 0x14
#define GPIO_REG_INT_EN 0x20
#define GPIO_REG_INT_STAT 0x24
#define GPIO_REG_INT_CLR 0x30
#define GPIO_REG_INT_TYPE 0x34
#define GPIO_REG_INT_BOTH_EDGE 0x38
#define GPIO_REG_INT_LEVEL 0x3C
#endif /* __MICROWATT_SOC_H */