Added I2C drivers for ZynqMP and updated build system accordingly. --- bsps/aarch64/xilinx-zynqmp/include/bsp.h | 4 ++ bsps/aarch64/xilinx-zynqmp/include/bsp/i2c.h | 63 +++++++++++++++++++ bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h | 2 + bsps/aarch64/xilinx-zynqmp/start/bspstart.c | 10 +++ spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml | 4 ++ .../bsps/aarch64/xilinx-zynqmp/grp_zu3eg.yml | 2 + .../aarch64/xilinx-zynqmp/objcadencei2c.yml | 19 ++++++ .../bsps/aarch64/xilinx-zynqmp/optclki2c0.yml | 19 ++++++ .../bsps/aarch64/xilinx-zynqmp/optclki2c1.yml | 19 ++++++ 9 files changed, 142 insertions(+) create mode 100644 bsps/aarch64/xilinx-zynqmp/include/bsp/i2c.h create mode 100644 spec/build/bsps/aarch64/xilinx-zynqmp/objcadencei2c.yml create mode 100644 spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c0.yml create mode 100644 spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c1.yml
diff --git a/bsps/aarch64/xilinx-zynqmp/include/bsp.h b/bsps/aarch64/xilinx-zynqmp/include/bsp.h index 83f2e2f4e4..6d49b9ad2a 100644 --- a/bsps/aarch64/xilinx-zynqmp/include/bsp.h +++ b/bsps/aarch64/xilinx-zynqmp/include/bsp.h @@ -70,6 +70,10 @@ BSP_START_TEXT_SECTION void zynqmp_setup_mmu_and_cache(void); void zynqmp_debug_console_flush(void); +uint32_t zynqmp_clock_i2c0(void); + +uint32_t zynqmp_clock_i2c1(void); + #ifdef __cplusplus } #endif /* __cplusplus */ diff --git a/bsps/aarch64/xilinx-zynqmp/include/bsp/i2c.h b/bsps/aarch64/xilinx-zynqmp/include/bsp/i2c.h new file mode 100644 index 0000000000..e09747d414 --- /dev/null +++ b/bsps/aarch64/xilinx-zynqmp/include/bsp/i2c.h @@ -0,0 +1,63 @@ +/* + * SPDX-License-Identifier: BSD-2-Clause + * + * Copyright (C) 2021 On-Line Applications Research (OAR) + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * + * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" + * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE + * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR + * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF + * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS + * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN + * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) + * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE + * POSSIBILITY OF SUCH DAMAGE. + */ + +#ifndef LIBBSP_ARM_XILINX_ZYNQ_I2C_H +#define LIBBSP_ARM_XILINX_ZYNQ_I2C_H + +#include <dev/i2c/cadence-i2c.h> +#include <bsp/irq.h> +#include <bsp.h> + +#ifdef __cplusplus +extern "C" { +#endif /* __cplusplus */ + +static inline int zynqmp_register_i2c_0(void) +{ + return i2c_bus_register_cadence( + "/dev/i2c-0", + 0x00FF020000, + zynqmp_clock_i2c0(), + ZYNQMP_IRQ_I2C_0 + ); +} + +static inline int zynqmp_register_i2c_1(void) +{ + return i2c_bus_register_cadence( + "/dev/i2c-1", + 0x00FF030000, + zynqmp_clock_i2c1(), + ZYNQMP_IRQ_I2C_1 + ); +} + +#ifdef __cplusplus +} +#endif /* __cplusplus */ + +#endif /* LIBBSP_ARM_XILINX_ZYNQ_I2C_H */ diff --git a/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h b/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h index b67d7d0f8e..9af41643bd 100644 --- a/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h +++ b/bsps/aarch64/xilinx-zynqmp/include/bsp/irq.h @@ -53,6 +53,8 @@ extern "C" { /* Interrupts vectors */ #define BSP_TIMER_VIRT_PPI 27 #define BSP_TIMER_PHYS_NS_PPI 30 +#define ZYNQMP_IRQ_I2C_0 49 +#define ZYNQMP_IRQ_I2C_1 50 #define ZYNQMP_IRQ_UART_0 54 #define ZYNQMP_IRQ_UART_1 53 #define ZYNQMP_IRQ_ETHERNET_0 89 diff --git a/bsps/aarch64/xilinx-zynqmp/start/bspstart.c b/bsps/aarch64/xilinx-zynqmp/start/bspstart.c index 36194a337d..d75e5a1620 100644 --- a/bsps/aarch64/xilinx-zynqmp/start/bspstart.c +++ b/bsps/aarch64/xilinx-zynqmp/start/bspstart.c @@ -39,6 +39,16 @@ #include <bsp/irq-generic.h> #include <bsp/linker-symbols.h> +__attribute__ ((weak)) uint32_t zynqmp_clock_i2c0(void) +{ + return ZYNQMP_CLOCK_I2C0; +} + +__attribute__ ((weak)) uint32_t zynqmp_clock_i2c1(void) +{ + return ZYNQMP_CLOCK_I2C1; +} + void bsp_start( void ) { bsp_interrupt_initialize(); diff --git a/spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml b/spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml index 03ccdbbc8b..1a356903cd 100644 --- a/spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml +++ b/spec/build/bsps/aarch64/xilinx-zynqmp/grp.yml @@ -27,6 +27,10 @@ links: uid: optramlen - role: build-dependency uid: optramori +- role: build-dependency + uid: optclki2c0 +- role: build-dependency + uid: optclki2c1 - role: build-dependency uid: optclkuart - role: build-dependency diff --git a/spec/build/bsps/aarch64/xilinx-zynqmp/grp_zu3eg.yml b/spec/build/bsps/aarch64/xilinx-zynqmp/grp_zu3eg.yml index fa6347b2e4..4727ebddf7 100644 --- a/spec/build/bsps/aarch64/xilinx-zynqmp/grp_zu3eg.yml +++ b/spec/build/bsps/aarch64/xilinx-zynqmp/grp_zu3eg.yml @@ -11,6 +11,8 @@ links: uid: grp - role: build-dependency uid: tstzu3eg +- role : build-dependency + uid: objcadencei2c type: build use-after: [] use-before: [] diff --git a/spec/build/bsps/aarch64/xilinx-zynqmp/objcadencei2c.yml b/spec/build/bsps/aarch64/xilinx-zynqmp/objcadencei2c.yml new file mode 100644 index 0000000000..fd9d51dfa9 --- /dev/null +++ b/spec/build/bsps/aarch64/xilinx-zynqmp/objcadencei2c.yml @@ -0,0 +1,19 @@ +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause +build-type: objects +cflags: [] +copyrights: +- Copyright (C) 2021 On-Line Applications Research (OAR) +cppflags: [] +cxxflags: [] +enabled-by: true +includes: [] +install: +- destination: ${BSP_INCLUDEDIR}/bsp + source: + - bsps/include/dev/i2c/cadence-i2c-regs.h + - bsps/include/dev/i2c/cadence-i2c.h + - bsps/aarch64/xilinx-zynqmp/include/bsp/i2c.h +links: [] +source: +- bsps/shared/dev/i2c/cadence-i2c.c +type: build diff --git a/spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c0.yml b/spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c0.yml new file mode 100644 index 0000000000..fd87888ef0 --- /dev/null +++ b/spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c0.yml @@ -0,0 +1,19 @@ +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause +actions: +- get-integer: null +- define: null +build-type: option +copyrights: | + Copyright (C) 2021 On-Line Applications Research (OAR) +default: 111111111 +default-by-family: [] +default-by-variant: [] +description: | + ZynqMP i2c0 clock frequency in Hz. This is the frequency after the signal + has been processed using the values passed to the I2C0_REF_CTRL register. +enabled-by: true +format: '{}' +links: [] +name: ZYNQMP_CLOCK_I2C0 +type: build + diff --git a/spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c1.yml b/spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c1.yml new file mode 100644 index 0000000000..603dd06fb8 --- /dev/null +++ b/spec/build/bsps/aarch64/xilinx-zynqmp/optclki2c1.yml @@ -0,0 +1,19 @@ +SPDX-License-Identifier: CC-BY-SA-4.0 OR BSD-2-Clause +actions: +- get-integer: null +- define: null +build-type: option +copyrights: | + Copyright (C) 2021 On-Line Applications Research (OAR) +default: 111111111 +default-by-family: [] +default-by-variant: [] +description: | + ZynqMP i2c1 clock frequency in Hz. This is the frequency after the signal + has been processed using the values passed to the I2C1_REF_CTRL register. +enabled-by: true +format: '{}' +links: [] +name: ZYNQMP_CLOCK_I2C1 +type: build + -- 2.27.0 _______________________________________________ devel mailing list devel@rtems.org http://lists.rtems.org/mailman/listinfo/devel