opensbi.git/lib/utils/serial, branch v1.3

lib: utils: Improve fdt_serial_init

2023-05-26T07:07:25Z

A final check of all DT nodes does not necessarily find a match, so SBI_ENODEV needs to be returned. Optimize removal of current_driver. Signed-off-by: Xiang W Reviewed-by: Anup Patel

lib: serial: Cadence: Enable compatibility for cdns,uart-r1p8

2023-03-09T15:42:35Z

The Cadence driver does not use the RX byte status feature and hence can be advertised to be compatible with cdns,uart-r1p8 as well. Signed-off-by: Mayuresh Chitale Reviewed-by: Anup Patel

lib: utils/serial: Implement console_puts() for semihosting

2023-02-10T04:34:59Z

We implement console_puts() for semihosting serial driver to speed-up semihosting based prints. Signed-off-by: Anup Patel Reviewed-by: Atish Patra Reviewed-by: Xiang W Reviewed-by: Bin Meng Reviewed-by: Andrew Jones

lib: utils: serial: Add FDT driver for Renesas SCIF

2022-12-12T13:20:35Z

Add FDT driver for Renesas SCIF. dts example: soc: soc { .... scif0: serial@1004b800 { compatible = "renesas,scif-r9a07g043", "renesas,scif-r9a07g044"; reg = <0 0x1004b800 0 0x400>; interrupts = <412 IRQ_TYPE_LEVEL_HIGH>, <414 IRQ_TYPE_LEVEL_HIGH>, <415 IRQ_TYPE_LEVEL_HIGH>, <413 IRQ_TYPE_LEVEL_HIGH>, <416 IRQ_TYPE_LEVEL_HIGH>, <416 IRQ_TYPE_LEVEL_HIGH>; interrupt-names = "eri", "rxi", "txi", "bri", "dri", "tei"; clocks = <&cpg CPG_MOD R9A07G043_SCIF0_CLK_PCK>; clock-names = "fck"; power-domains = <&cpg>; resets = <&cpg R9A07G043_SCIF0_RST_SYSTEM_N>; status = "disabled"; }; .... }; Signed-off-by: Lad Prabhakar Reviewed-by: Anup Patel

lib: utils: serial: Add Renesas SCIF driver

2022-12-12T13:20:26Z

Add Renesas SCIF driver. Based on a patch in the BSP by Takeki Hamada Link: https://github.com/renesas-rz/rz_opensbi/commits/work/OpenSBI-PMA Signed-off-by: Lad Prabhakar Reviewed-by: Anup Patel

lib: utils/serial: Fix semihosting compile error using LLVM

2022-11-15T11:08:41Z

We fix the following semihosting compile error observed using LLVM: lib/utils/serial/semihosting.c:158:12: error: result of comparison of constant -1 with expression of type 'char' is always true [-Werror,-Wtautological-constant-out-of-range-compare] ret = ch > -1 ? ch : -1; ~~ ^ ~~ Fixes: 7f09fba86e43 ("lib: utils/serial: add semihosting support") Signed-off-by: Anup Patel Reviewed-by: Xiang W Reviewed-by: Bin Meng

lib: utils/serial: add semihosting support

2022-09-13T12:54:42Z

We add RISC-V semihosting based serial console for JTAG based early debugging. The RISC-V semihosting specification is available at: https://github.com/riscv/riscv-semihosting-spec/blob/main/riscv-semihosting-spec.adoc Signed-off-by: Anup Patel Signed-off-by: Kautuk Consul Reviewed-by: Anup Patel

lib: utils: serial: Add Cadence UART driver

2022-08-23T03:10:17Z

Add Cadence UART driver Signed-off-by: Jun Liang Tan Signed-off-by: Wei Liang Lim Reviewed-by: Andrew Jones Reviewed-by: Anup Patel

lib: utils/fdt: Use kconfig for enabling/disabling

2022-08-08T04:04:08Z

We update FDT support makefile to use kconfig for enabling/disabling. To avoid compilation errors, we also enable FDT for each platform. Signed-off-by: Anup Patel Tested-by: Andrew Jones Acked-by: Atish Patra Tested-by: Atish Patra

lib: utils/sys: Use kconfig for enabling/disabling drivers

2022-08-08T04:03:31Z

We update system drivers makefile to use kconfig for enabling/disabling drivers. To avoid compile errors, we also enable appropriate system drivers for each platform. Signed-off-by: Anup Patel Tested-by: Andrew Jones Acked-by: Atish Patra Tested-by: Atish Patra