mirror of
https://github.com/antonblanchard/microwatt.git
synced 2026-01-26 03:51:22 +00:00
c19b5b8cc7
Things have changed a bit in upstream LiteX. LiteDRAM now exposes a wishbone for the CSRs for example. Signed-off-by: Benjamin Herrenschmidt <benh@kernel.crashing.org>
38 lines
1.1 KiB
C
38 lines
1.1 KiB
C
#ifndef __MICROWATT_SOC_H
|
|
#define __MICROWATT_SOC_H
|
|
|
|
/*
|
|
* Definitions for the syscon registers
|
|
*/
|
|
#define SYSCON_BASE 0xc0000000
|
|
|
|
#define SYS_REG_SIGNATURE 0x00
|
|
#define SYS_REG_INFO 0x08
|
|
#define SYS_REG_INFO_HAS_UART (1ull << 0)
|
|
#define SYS_REG_INFO_HAS_DRAM (1ull << 1)
|
|
#define SYS_REG_BRAMINFO 0x10
|
|
#define SYS_REG_DRAMINFO 0x18
|
|
#define SYS_REG_CLKINFO 0x20
|
|
#define SYS_REG_CTRL 0x28
|
|
#define SYS_REG_CTRL_DRAM_AT_0 (1ull << 0)
|
|
#define SYS_REG_CTRL_CORE_RESET (1ull << 1)
|
|
#define SYS_REG_CTRL_SOC_RESET (1ull << 2)
|
|
|
|
/* Definition for the "Potato" UART */
|
|
#define UART_BASE 0xc0002000
|
|
|
|
#define POTATO_CONSOLE_TX 0x00
|
|
#define POTATO_CONSOLE_RX 0x08
|
|
#define POTATO_CONSOLE_STATUS 0x10
|
|
#define POTATO_CONSOLE_STATUS_RX_EMPTY 0x01
|
|
#define POTATO_CONSOLE_STATUS_TX_EMPTY 0x02
|
|
#define POTATO_CONSOLE_STATUS_RX_FULL 0x04
|
|
#define POTATO_CONSOLE_STATUS_TX_FULL 0x08
|
|
#define POTATO_CONSOLE_CLOCK_DIV 0x18
|
|
#define POTATO_CONSOLE_IRQ_EN 0x20
|
|
|
|
/* Definition for the LiteDRAM control registers */
|
|
#define DRAM_CTRL_BASE 0xc0100000
|
|
|
|
#endif /* __MICROWATT_SOC_H */
|