diff options
author | Ravi Kumar Bokka <rbokka@codeaurora.org> | 2020-11-06 11:28:01 +0530 |
---|---|---|
committer | Shelley Chen <shchen@google.com> | 2021-07-22 06:40:06 +0000 |
commit | b01b47654677ddb7d14023f2e233b3151a287aa3 (patch) | |
tree | f20aa268f06991ec37d954ce9c473c74c5fc83dc /src/soc/qualcomm/sc7180 | |
parent | cd1257a1359450194a514ca0184131bcf23d2094 (diff) |
soc/qualcomm: move uart_bitbang UART w/gpio code to common
BUG=b:182963902
TEST=Validated on qualcomm sc7280 development board
Change-Id: Ic6c70f917a59e233f6ea518d9c39f73fe84991c3
Signed-off-by: Ravi Kumar Bokka <rbokka@codeaurora.org>
Reviewed-on: https://review.coreboot.org/c/coreboot/+/47284
Reviewed-by: Shelley Chen <shchen@google.com>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Diffstat (limited to 'src/soc/qualcomm/sc7180')
-rw-r--r-- | src/soc/qualcomm/sc7180/Makefile.inc | 2 | ||||
-rw-r--r-- | src/soc/qualcomm/sc7180/include/soc/uart.h | 8 | ||||
-rw-r--r-- | src/soc/qualcomm/sc7180/uart_bitbang.c | 37 |
3 files changed, 9 insertions, 38 deletions
diff --git a/src/soc/qualcomm/sc7180/Makefile.inc b/src/soc/qualcomm/sc7180/Makefile.inc index e84dcc8d0e..5ac1f3fe6c 100644 --- a/src/soc/qualcomm/sc7180/Makefile.inc +++ b/src/soc/qualcomm/sc7180/Makefile.inc @@ -17,7 +17,7 @@ all-y += qupv3_config.c ################################################################################ bootblock-y += bootblock.c bootblock-y += mmu.c -bootblock-$(CONFIG_DRIVERS_UART) += uart_bitbang.c +bootblock-$(CONFIG_DRIVERS_UART) += ../common/uart_bitbang.c ################################################################################ verstage-$(CONFIG_DRIVERS_UART) += qupv3_uart.c diff --git a/src/soc/qualcomm/sc7180/include/soc/uart.h b/src/soc/qualcomm/sc7180/include/soc/uart.h new file mode 100644 index 0000000000..e6b2e62a24 --- /dev/null +++ b/src/soc/qualcomm/sc7180/include/soc/uart.h @@ -0,0 +1,8 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ + +#ifndef _SOC_QUALCOMM_SC7180_UART_TX_H_ +#define _SOC_QUALCOMM_SC7180_UART_TX_H_ + +#define UART_TX_PIN GPIO(44) + +#endif /* _SOC_QUALCOMM_SC7180_UART_TX_H_ */ diff --git a/src/soc/qualcomm/sc7180/uart_bitbang.c b/src/soc/qualcomm/sc7180/uart_bitbang.c deleted file mode 100644 index 7d88a20986..0000000000 --- a/src/soc/qualcomm/sc7180/uart_bitbang.c +++ /dev/null @@ -1,37 +0,0 @@ -/* SPDX-License-Identifier: GPL-2.0-only */ - -#include <console/uart.h> -#include <gpio.h> -#include <boot/coreboot_tables.h> - -#define UART_TX_PIN GPIO(44) - -void uart_fill_lb(void *data) -{ - -} - -static void set_tx(int line_state) -{ - gpio_set(UART_TX_PIN, line_state); -} - -void uart_init(unsigned int idx) -{ - gpio_output(UART_TX_PIN, 1); -} - -void uart_tx_byte(unsigned int idx, unsigned char data) -{ - uart_bitbang_tx_byte(data, set_tx); -} - -void uart_tx_flush(unsigned int idx) -{ - /* unnecessary, PIO Tx means transaction is over when tx_byte returns */ -} - -unsigned char uart_rx_byte(unsigned int idx) -{ - return 0; /* not implemented */ -} |