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authorPeter Maydell <peter.maydell@linaro.org>2021-06-25 17:05:22 +0100
committerPeter Maydell <peter.maydell@linaro.org>2021-06-25 17:05:22 +0100
commite3955ae93f5151ad2e982440b7c8d3776a9afee2 (patch)
tree355a6ea83d17c09ba98cedbab0330e316d43e53d /hw/char/ibex_uart.c
parent3593b8e0a2146a885f93d71c754757bb2c03864e (diff)
parent3ef6434409c575e11faf537ce50ca05426c78940 (diff)
Merge remote-tracking branch 'remotes/alistair/tags/pull-riscv-to-apply-20210624-2' into staging
Third RISC-V PR for 6.1 release - Fix MISA in the DisasContext - Fix GDB CSR XML generation - QOMify the SiFive UART - Add support for the OpenTitan timer # gpg: Signature made Thu 24 Jun 2021 13:00:26 BST # gpg: using RSA key F6C4AC46D4934868D3B8CE8F21E10D29DF977054 # gpg: Good signature from "Alistair Francis <alistair@alistair23.me>" [full] # Primary key fingerprint: F6C4 AC46 D493 4868 D3B8 CE8F 21E1 0D29 DF97 7054 * remotes/alistair/tags/pull-riscv-to-apply-20210624-2: hw/riscv: OpenTitan: Connect the mtime and mtimecmp timer hw/timer: Initial commit of Ibex Timer hw/char/ibex_uart: Make the register layout private hw/char: QOMify sifive_uart hw/char: Consistent function names for sifive_uart target/riscv: gdbstub: Fix dynamic CSR XML generation target/riscv: Use target_ulong for the DisasContext misa Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Diffstat (limited to 'hw/char/ibex_uart.c')
-rw-r--r--hw/char/ibex_uart.c37
1 files changed, 37 insertions, 0 deletions
diff --git a/hw/char/ibex_uart.c b/hw/char/ibex_uart.c
index 73b8f2e45b..fe4b6c3c9e 100644
--- a/hw/char/ibex_uart.c
+++ b/hw/char/ibex_uart.c
@@ -35,6 +35,43 @@
#include "qemu/log.h"
#include "qemu/module.h"
+REG32(INTR_STATE, 0x00)
+ FIELD(INTR_STATE, TX_WATERMARK, 0, 1)
+ FIELD(INTR_STATE, RX_WATERMARK, 1, 1)
+ FIELD(INTR_STATE, TX_EMPTY, 2, 1)
+ FIELD(INTR_STATE, RX_OVERFLOW, 3, 1)
+REG32(INTR_ENABLE, 0x04)
+REG32(INTR_TEST, 0x08)
+REG32(CTRL, 0x0C)
+ FIELD(CTRL, TX_ENABLE, 0, 1)
+ FIELD(CTRL, RX_ENABLE, 1, 1)
+ FIELD(CTRL, NF, 2, 1)
+ FIELD(CTRL, SLPBK, 4, 1)
+ FIELD(CTRL, LLPBK, 5, 1)
+ FIELD(CTRL, PARITY_EN, 6, 1)
+ FIELD(CTRL, PARITY_ODD, 7, 1)
+ FIELD(CTRL, RXBLVL, 8, 2)
+ FIELD(CTRL, NCO, 16, 16)
+REG32(STATUS, 0x10)
+ FIELD(STATUS, TXFULL, 0, 1)
+ FIELD(STATUS, RXFULL, 1, 1)
+ FIELD(STATUS, TXEMPTY, 2, 1)
+ FIELD(STATUS, RXIDLE, 4, 1)
+ FIELD(STATUS, RXEMPTY, 5, 1)
+REG32(RDATA, 0x14)
+REG32(WDATA, 0x18)
+REG32(FIFO_CTRL, 0x1c)
+ FIELD(FIFO_CTRL, RXRST, 0, 1)
+ FIELD(FIFO_CTRL, TXRST, 1, 1)
+ FIELD(FIFO_CTRL, RXILVL, 2, 3)
+ FIELD(FIFO_CTRL, TXILVL, 5, 2)
+REG32(FIFO_STATUS, 0x20)
+ FIELD(FIFO_STATUS, TXLVL, 0, 5)
+ FIELD(FIFO_STATUS, RXLVL, 16, 5)
+REG32(OVRD, 0x24)
+REG32(VAL, 0x28)
+REG32(TIMEOUT_CTRL, 0x2c)
+
static void ibex_uart_update_irqs(IbexUartState *s)
{
if (s->uart_intr_state & s->uart_intr_enable & R_INTR_STATE_TX_WATERMARK_MASK) {