diff --git a/drivers/st/uart/aarch32/stm32_console.S b/drivers/st/uart/aarch32/stm32_console.S index 792703a..9eb8f24 100644 --- a/drivers/st/uart/aarch32/stm32_console.S +++ b/drivers/st/uart/aarch32/stm32_console.S @@ -4,26 +4,10 @@ * SPDX-License-Identifier: BSD-3-Clause */ #include +#include #define USART_TIMEOUT 0x1000 -#define USART_CR1 0x00 -#define USART_CR1_UE 0x00000001 -#define USART_CR1_TE 0x00000008 -#define USART_CR1_FIFOEN 0x20000000 - -#define USART_CR2 0x04 -#define USART_CR2_STOP 0x00003000 - -#define USART_BRR 0x0C - -#define USART_ISR 0x1C -#define USART_ISR_TC 0x00000040 -#define USART_ISR_TXE 0x00000080 -#define USART_ISR_TEACK 0x00200000 - -#define USART_TDR 0x28 - .globl console_core_init .globl console_core_putc .globl console_core_getc diff --git a/include/drivers/st/stm32_uart_regs.h b/include/drivers/st/stm32_uart_regs.h new file mode 100644 index 0000000..e78d3d4 --- /dev/null +++ b/include/drivers/st/stm32_uart_regs.h @@ -0,0 +1,199 @@ +/* + * Copyright (C) 2018, STMicroelectronics - All Rights Reserved + * + * SPDX-License-Identifier: BSD-3-Clause + */ + +#ifndef STM32_UART_REGS_H +#define STM32_UART_REGS_H + +#include + +#define USART_CR1 U(0x00) +#define USART_CR2 U(0x04) +#define USART_CR3 U(0x08) +#define USART_BRR U(0x0C) +#define USART_GTPR U(0x10) +#define USART_RTOR U(0x14) +#define USART_RQR U(0x18) +#define USART_ISR U(0x1C) +#define USART_ICR U(0x20) +#define USART_RDR U(0x24) +#define USART_TDR U(0x28) +#define USART_PRESC U(0x2C) + +/* USART_CR1 register fields */ +#define USART_CR1_UE BIT(0) +#define USART_CR1_UESM BIT(1) +#define USART_CR1_RE BIT(2) +#define USART_CR1_TE BIT(3) +#define USART_CR1_IDLEIE BIT(4) +#define USART_CR1_RXNEIE BIT(5) +#define USART_CR1_TCIE BIT(6) +#define USART_CR1_TXEIE BIT(7) +#define USART_CR1_PEIE BIT(8) +#define USART_CR1_PS BIT(9) +#define USART_CR1_PCE BIT(10) +#define USART_CR1_WAKE BIT(11) +#define USART_CR1_M (BIT(28) | BIT(12)) +#define USART_CR1_M0 BIT(12) +#define USART_CR1_MME BIT(13) +#define USART_CR1_CMIE BIT(14) +#define USART_CR1_OVER8 BIT(15) +#define USART_CR1_DEDT GENMASK(20, 16) +#define USART_CR1_DEDT_0 BIT(16) +#define USART_CR1_DEDT_1 BIT(17) +#define USART_CR1_DEDT_2 BIT(18) +#define USART_CR1_DEDT_3 BIT(19) +#define USART_CR1_DEDT_4 BIT(20) +#define USART_CR1_DEAT GENMASK(25, 21) +#define USART_CR1_DEAT_0 BIT(21) +#define USART_CR1_DEAT_1 BIT(22) +#define USART_CR1_DEAT_2 BIT(23) +#define USART_CR1_DEAT_3 BIT(24) +#define USART_CR1_DEAT_4 BIT(25) +#define USART_CR1_RTOIE BIT(26) +#define USART_CR1_EOBIE BIT(27) +#define USART_CR1_M1 BIT(28) +#define USART_CR1_FIFOEN BIT(29) +#define USART_CR1_TXFEIE BIT(30) +#define USART_CR1_RXFFIE BIT(31) + +/* USART_CR2 register fields */ +#define USART_CR2_SLVEN BIT(0) +#define USART_CR2_DIS_NSS BIT(3) +#define USART_CR2_ADDM7 BIT(4) +#define USART_CR2_LBDL BIT(5) +#define USART_CR2_LBDIE BIT(6) +#define USART_CR2_LBCL BIT(8) +#define USART_CR2_CPHA BIT(9) +#define USART_CR2_CPOL BIT(10) +#define USART_CR2_CLKEN BIT(11) +#define USART_CR2_STOP GENMASK(13, 12) +#define USART_CR2_STOP_0 BIT(12) +#define USART_CR2_STOP_1 BIT(13) +#define USART_CR2_LINEN BIT(14) +#define USART_CR2_SWAP BIT(15) +#define USART_CR2_RXINV BIT(16) +#define USART_CR2_TXINV BIT(17) +#define USART_CR2_DATAINV BIT(18) +#define USART_CR2_MSBFIRST BIT(19) +#define USART_CR2_ABREN BIT(20) +#define USART_CR2_ABRMODE GENMASK(22, 21) +#define USART_CR2_ABRMODE_0 BIT(21) +#define USART_CR2_ABRMODE_1 BIT(22) +#define USART_CR2_RTOEN BIT(23) +#define USART_CR2_ADD GENMASK(31, 24) + +/* USART_CR3 register fields */ +#define USART_CR3_EIE BIT(0) +#define USART_CR3_IREN BIT(1) +#define USART_CR3_IRLP BIT(2) +#define USART_CR3_HDSEL BIT(3) +#define USART_CR3_NACK BIT(4) +#define USART_CR3_SCEN BIT(5) +#define USART_CR3_DMAR BIT(6) +#define USART_CR3_DMAT BIT(7) +#define USART_CR3_RTSE BIT(8) +#define USART_CR3_CTSE BIT(9) +#define USART_CR3_CTSIE BIT(10) +#define USART_CR3_ONEBIT BIT(11) +#define USART_CR3_OVRDIS BIT(12) +#define USART_CR3_DDRE BIT(13) +#define USART_CR3_DEM BIT(14) +#define USART_CR3_DEP BIT(15) +#define USART_CR3_SCARCNT GENMASK(19, 17) +#define USART_CR3_SCARCNT_0 BIT(17) +#define USART_CR3_SCARCNT_1 BIT(18) +#define USART_CR3_SCARCNT_2 BIT(19) +#define USART_CR3_WUS GENMASK(21, 20) +#define USART_CR3_WUS_0 BIT(20) +#define USART_CR3_WUS_1 BIT(21) +#define USART_CR3_WUFIE BIT(22) +#define USART_CR3_TXFTIE BIT(23) +#define USART_CR3_TCBGTIE BIT(24) +#define USART_CR3_RXFTCFG GENMASK(27, 25) +#define USART_CR3_RXFTCFG_0 BIT(25) +#define USART_CR3_RXFTCFG_1 BIT(26) +#define USART_CR3_RXFTCFG_2 BIT(27) +#define USART_CR3_RXFTIE BIT(28) +#define USART_CR3_TXFTCFG GENMASK(31, 29) +#define USART_CR3_TXFTCFG_0 BIT(29) +#define USART_CR3_TXFTCFG_1 BIT(30) +#define USART_CR3_TXFTCFG_2 BIT(31) + +/* USART_BRR register fields */ +#define USART_BRR_DIV_FRACTION GENMASK(3, 0) +#define USART_BRR_DIV_MANTISSA GENMASK(15, 4) + +/* USART_GTPR register fields */ +#define USART_GTPR_PSC GENMASK(7, 0) +#define USART_GTPR_GT GENMASK(15, 8) + +/* USART_RTOR register fields */ +#define USART_RTOR_RTO GENMASK(23, 0) +#define USART_RTOR_BLEN GENMASK(31, 24) + +/* USART_RQR register fields */ +#define USART_RQR_ABRRQ BIT(0) +#define USART_RQR_SBKRQ BIT(1) +#define USART_RQR_MMRQ BIT(2) +#define USART_RQR_RXFRQ BIT(3) +#define USART_RQR_TXFRQ BIT(4) + +/* USART_ISR register fields */ +#define USART_ISR_PE BIT(0) +#define USART_ISR_FE BIT(1) +#define USART_ISR_NE BIT(2) +#define USART_ISR_ORE BIT(3) +#define USART_ISR_IDLE BIT(4) +#define USART_ISR_RXNE BIT(5) +#define USART_ISR_TC BIT(6) +#define USART_ISR_TXE BIT(7) +#define USART_ISR_LBDF BIT(8) +#define USART_ISR_CTSIF BIT(9) +#define USART_ISR_CTS BIT(10) +#define USART_ISR_RTOF BIT(11) +#define USART_ISR_EOBF BIT(12) +#define USART_ISR_UDR BIT(13) +#define USART_ISR_ABRE BIT(14) +#define USART_ISR_ABRF BIT(15) +#define USART_ISR_BUSY BIT(16) +#define USART_ISR_CMF BIT(17) +#define USART_ISR_SBKF BIT(18) +#define USART_ISR_RWU BIT(19) +#define USART_ISR_WUF BIT(20) +#define USART_ISR_TEACK BIT(21) +#define USART_ISR_REACK BIT(22) +#define USART_ISR_TXFE BIT(23) +#define USART_ISR_RXFF BIT(24) +#define USART_ISR_TCBGT BIT(25) +#define USART_ISR_RXFT BIT(26) +#define USART_ISR_TXFT BIT(27) + +/* USART_ICR register fields */ +#define USART_ICR_PECF BIT(0) +#define USART_ICR_FECF BIT(1) +#define USART_ICR_NCF BIT(2) +#define USART_ICR_ORECF BIT(3) +#define USART_ICR_IDLECF BIT(4) +#define USART_ICR_TCCF BIT(6) +#define USART_ICR_TCBGT BIT(7) +#define USART_ICR_LBDCF BIT(8) +#define USART_ICR_CTSCF BIT(9) +#define USART_ICR_RTOCF BIT(11) +#define USART_ICR_EOBCF BIT(12) +#define USART_ICR_UDRCF BIT(13) +#define USART_ICR_CMCF BIT(17) +#define USART_ICR_WUCF BIT(20) + +/* USART_RDR register fields */ +#define USART_RDR_RDR GENMASK(8, 0) + +/* USART_TDR register fields */ +#define USART_TDR_TDR GENMASK(8, 0) + +/* USART_PRESC register fields */ +#define USART_PRESC_PRESCALER GENMASK(3, 0) + +#endif /* STM32_UART_REGS_H */