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authorNathaniel Graff <nathaniel.graff@sifive.com>2019-02-14 21:48:47 +0000
committerGitHub <noreply@github.com>2019-02-14 21:48:47 +0000
commit5d713aebb10998e6269e0c3dc690828cc0edc472 (patch)
tree3f7e841e4264efc5a79ae65f1c243eec392a0205 /bsp/coreip-e24-arty
parentfde5fd856378aed6c552fc0338e992f918dec18e (diff)
parent85593d5053bfafd1359c2a33e2ad3516547f77b1 (diff)
Merge pull request #174 from sifive/metal-spi
Add SPI driver and example
Diffstat (limited to 'bsp/coreip-e24-arty')
-rw-r--r--bsp/coreip-e24-arty/metal.h298
1 files changed, 169 insertions, 129 deletions
diff --git a/bsp/coreip-e24-arty/metal.h b/bsp/coreip-e24-arty/metal.h
index 0306e2c..19cdfaa 100644
--- a/bsp/coreip-e24-arty/metal.h
+++ b/bsp/coreip-e24-arty/metal.h
@@ -4,58 +4,69 @@
#define COREIP_E24_ARTY__METAL_H
#ifdef __METAL_MACHINE_MACROS
+
#define __METAL_CLIC_SUBINTERRUPTS 169
-/* To Satisfy libmetal build */
#ifndef __METAL_CLIC_SUBINTERRUPTS
#define __METAL_CLIC_SUBINTERRUPTS 0
#endif
-#endif
-#ifndef __METAL_MACHINE_MACROS
-#define __METAL_INTERRUPT_CONTROLLER_2000000_INTERRUPTS 3
-#define METAL_MAX_CLIC_INTERRUPTS __METAL_INTERRUPT_CONTROLLER_2000000_INTERRUPTS
+#else /* ! __METAL_MACHINE_MACROS */
-#define __METAL_CLIC_SUBINTERRUPTS 169
+#define METAL_MAX_CLINT_INTERRUPTS 0
+
+#define METAL_MAX_PLIC_INTERRUPTS 0
+
+#define __METAL_INTERRUPT_CONTROLLER_2000000_INTERRUPTS 3
+
+#define METAL_MAX_CLIC_INTERRUPTS 3
+
+#define __METAL_LOCAL_EXTERNAL_INTERRUPTS_0_INTERRUPTS 127
+
+#define METAL_MAX_LOCAL_EXT_INTERRUPTS 127
-#define __METAL_LOCAL_EXTERNAL_INTERRUPTS_0_INTERRUPTS 127
-#define METAL_MAX_LOCAL_EXT_INTERRUPTS __METAL_LOCAL_EXTERNAL_INTERRUPTS_0_INTERRUPTS
+#define __METAL_GLOBAL_EXTERNAL_INTERRUPTS_INTERRUPTS 4
-#define __METAL_GLOBAL_EXTERNAL_INTERRUPTS_INTERRUPTS 4
-#define METAL_MAX_GLOBAL_EXT_INTERRUPTS __METAL_GLOBAL_EXTERNAL_INTERRUPTS_INTERRUPTS
+#define METAL_MAX_GLOBAL_EXT_INTERRUPTS 4
-#define __METAL_GPIO_20002000_INTERRUPTS 16
-#define METAL_MAX_GPIO_INTERRUPTS __METAL_GPIO_20002000_INTERRUPTS
+#define __METAL_GPIO_20002000_INTERRUPTS 16
-#define __METAL_SERIAL_20000000_INTERRUPTS 1
-#define METAL_MAX_UART_INTERRUPTS 1
+#define METAL_MAX_GPIO_INTERRUPTS 16
+#define __METAL_SERIAL_20000000_INTERRUPTS 1
+
+#define METAL_MAX_UART_INTERRUPTS 1
+
+
+#include <metal/drivers/fixed-clock.h>
#include <metal/drivers/riscv,cpu.h>
+#include <metal/pmp.h>
#include <metal/drivers/sifive,clic0.h>
-#include <metal/drivers/fixed-clock.h>
-#include <metal/drivers/sifive,gpio0.h>
-#include <metal/drivers/sifive,uart0.h>
#include <metal/drivers/sifive,local-external-interrupts0.h>
#include <metal/drivers/sifive,global-external-interrupts0.h>
-#include <metal/drivers/sifive,gpio-leds.h>
+#include <metal/drivers/sifive,gpio0.h>
#include <metal/drivers/sifive,gpio-buttons.h>
+#include <metal/drivers/sifive,gpio-leds.h>
#include <metal/drivers/sifive,gpio-switches.h>
+#include <metal/drivers/sifive,spi0.h>
#include <metal/drivers/sifive,test0.h>
+#include <metal/drivers/sifive,uart0.h>
+
+/* From clock@0 */
+asm (".weak __metal_dt_clock_0");
+struct __metal_driver_fixed_clock __metal_dt_clock_0;
+
/* From cpu@0 */
asm (".weak __metal_dt_cpu_0");
struct __metal_driver_cpu __metal_dt_cpu_0;
-/* From interrupt_controller@2000000 */
-asm (".weak __metal_dt_interrupt_controller_2000000");
-struct __metal_driver_sifive_clic0 __metal_dt_interrupt_controller_2000000;
-
/* From interrupt_controller */
asm (".weak __metal_dt_interrupt_controller");
struct __metal_driver_riscv_cpu_intc __metal_dt_interrupt_controller;
-/* From clock@0 */
-asm (".weak __metal_dt_clock_0");
-struct __metal_driver_fixed_clock __metal_dt_clock_0;
+/* From interrupt_controller@2000000 */
+asm (".weak __metal_dt_interrupt_controller_2000000");
+struct __metal_driver_sifive_clic0 __metal_dt_interrupt_controller_2000000;
/* From local_external_interrupts_0 */
asm (".weak __metal_dt_local_external_interrupts_0");
@@ -69,22 +80,6 @@ struct __metal_driver_sifive_global_external_interrupts0 __metal_dt_global_exter
asm (".weak __metal_dt_gpio_20002000");
struct __metal_driver_sifive_gpio0 __metal_dt_gpio_20002000;
-/* From serial@20000000 */
-asm (".weak __metal_dt_serial_20000000");
-struct __metal_driver_sifive_uart0 __metal_dt_serial_20000000;
-
-/* From led@0red */
-asm (".weak __metal_dt_led_0red");
-struct __metal_driver_sifive_gpio_led __metal_dt_led_0red;
-
-/* From led@0green */
-asm (".weak __metal_dt_led_0green");
-struct __metal_driver_sifive_gpio_led __metal_dt_led_0green;
-
-/* From led@0blue */
-asm (".weak __metal_dt_led_0blue");
-struct __metal_driver_sifive_gpio_led __metal_dt_led_0blue;
-
/* From button@0 */
asm (".weak __metal_dt_button_0");
struct __metal_driver_sifive_gpio_button __metal_dt_button_0;
@@ -101,6 +96,18 @@ struct __metal_driver_sifive_gpio_button __metal_dt_button_2;
asm (".weak __metal_dt_button_3");
struct __metal_driver_sifive_gpio_button __metal_dt_button_3;
+/* From led@0red */
+asm (".weak __metal_dt_led_0red");
+struct __metal_driver_sifive_gpio_led __metal_dt_led_0red;
+
+/* From led@0green */
+asm (".weak __metal_dt_led_0green");
+struct __metal_driver_sifive_gpio_led __metal_dt_led_0green;
+
+/* From led@0blue */
+asm (".weak __metal_dt_led_0blue");
+struct __metal_driver_sifive_gpio_led __metal_dt_led_0blue;
+
/* From switch@0 */
asm (".weak __metal_dt_switch_0");
struct __metal_driver_sifive_gpio_switch __metal_dt_switch_0;
@@ -117,22 +124,18 @@ struct __metal_driver_sifive_gpio_switch __metal_dt_switch_2;
asm (".weak __metal_dt_switch_3");
struct __metal_driver_sifive_gpio_switch __metal_dt_switch_3;
+/* From spi@20004000 */
+asm (".weak __metal_dt_spi_20004000");
+struct __metal_driver_sifive_spi0 __metal_dt_spi_20004000;
+
/* From teststatus@4000 */
asm (".weak __metal_dt_teststatus_4000");
struct __metal_driver_sifive_test0 __metal_dt_teststatus_4000;
-/* From cpu@0 */
-struct __metal_driver_cpu __metal_dt_cpu_0 = {
- .vtable = &__metal_driver_vtable_cpu,
- .cpu.vtable = &__metal_driver_vtable_cpu.cpu_vtable,
- .timebase = 1000000UL,
- .interrupt_controller = &__metal_dt_interrupt_controller.controller,
-};
-
-/* From cpu@0 */
-#define __METAL_DT_RISCV_CPU_HANDLE (&__metal_dt_cpu_0.cpu)
+/* From serial@20000000 */
+asm (".weak __metal_dt_serial_20000000");
+struct __metal_driver_sifive_uart0 __metal_dt_serial_20000000;
-#define __METAL_DT_CPU_0_HANDLE (&__metal_dt_cpu_0.cpu)
/* From clock@0 */
struct __metal_driver_fixed_clock __metal_dt_clock_0 = {
@@ -141,6 +144,14 @@ struct __metal_driver_fixed_clock __metal_dt_clock_0 = {
.rate = 32500000UL,
};
+/* From cpu@0 */
+struct __metal_driver_cpu __metal_dt_cpu_0 = {
+ .vtable = &__metal_driver_vtable_cpu,
+ .cpu.vtable = &__metal_driver_vtable_cpu.cpu_vtable,
+ .timebase = 1000000UL,
+ .interrupt_controller = &__metal_dt_interrupt_controller.controller,
+};
+
/* From interrupt_controller */
struct __metal_driver_riscv_cpu_intc __metal_dt_interrupt_controller = {
.vtable = &__metal_driver_vtable_riscv_cpu_intc,
@@ -149,11 +160,6 @@ struct __metal_driver_riscv_cpu_intc __metal_dt_interrupt_controller = {
.interrupt_controller = 1,
};
-/* From interrupt_controller */
-#define __METAL_DT_RISCV_CPU_INTC_HANDLE (&__metal_dt_interrupt_controller.controller)
-
-#define __METAL_DT_INTERRUPT_CONTROLLER_HANDLE (&__metal_dt_interrupt_controller.controller)
-
/* From interrupt_controller@2000000 */
struct __metal_driver_sifive_clic0 __metal_dt_interrupt_controller_2000000 = {
.vtable = &__metal_driver_vtable_sifive_clic0,
@@ -172,11 +178,6 @@ struct __metal_driver_sifive_clic0 __metal_dt_interrupt_controller_2000000 = {
.interrupt_controller = 1,
};
-/* From interrupt_controller@2000000 */
-#define __METAL_DT_SIFIVE_CLIC0_HANDLE (&__metal_dt_interrupt_controller_2000000.controller)
-
-#define __METAL_DT_INTERRUPT_CONTROLLER_2000000_HANDLE (&__metal_dt_interrupt_controller_2000000.controller)
-
/* From local_external_interrupts_0 */
struct __metal_driver_sifive_local_external_interrupts0 __metal_dt_local_external_interrupts_0 = {
.vtable = &__metal_driver_vtable_sifive_local_external_interrupts0,
@@ -314,11 +315,6 @@ struct __metal_driver_sifive_local_external_interrupts0 __metal_dt_local_externa
.interrupt_lines[126] = 152,
};
-/* From local_external_interrupts_0 */
-#define __METAL_DT_SIFIVE_LOCAL_EXINTR0_HANDLE (&__metal_dt_local_external_interrupts_0.irc)
-
-#define __METAL_DT_LOCAL_EXTERNAL_INTERRUPTS_0_HANDLE (&__metal_dt_local_external_interrupts_0.irc)
-
/* From global_external_interrupts */
struct __metal_driver_sifive_global_external_interrupts0 __metal_dt_global_external_interrupts = {
.vtable = &__metal_driver_vtable_sifive_global_external_interrupts0,
@@ -333,11 +329,6 @@ struct __metal_driver_sifive_global_external_interrupts0 __metal_dt_global_exter
.interrupt_lines[3] = 25,
};
-/* From global_external_interrupts */
-#define __METAL_DT_SIFIVE_GLOBAL_EXINTR0_HANDLE (&__metal_dt_global_external_interrupts.irc)
-
-#define __METAL_DT_GLOBAL_EXTERNAL_INTERRUPTS_HANDLE (&__metal_dt_global_external_interrupts.irc)
-
/* From gpio@20002000 */
struct __metal_driver_sifive_gpio0 __metal_dt_gpio_20002000 = {
.vtable = &__metal_driver_vtable_sifive_gpio0,
@@ -364,51 +355,6 @@ struct __metal_driver_sifive_gpio0 __metal_dt_gpio_20002000 = {
.interrupt_lines[15] = 15,
};
-/* From serial@20000000 */
-struct __metal_driver_sifive_uart0 __metal_dt_serial_20000000 = {
- .vtable = &__metal_driver_vtable_sifive_uart0,
- .uart.vtable = &__metal_driver_vtable_sifive_uart0.uart,
- .control_base = 536870912UL,
- .control_size = 4096UL,
-/* From clock@0 */
- .clock = &__metal_dt_clock_0.clock,
- .pinmux = NULL,
-/* From interrupt_controller@2000000 */
- .interrupt_parent = &__metal_dt_interrupt_controller_2000000.controller,
- .num_interrupts = METAL_MAX_UART_INTERRUPTS,
- .interrupt_line = 16UL,
-};
-
-/* From led@0red */
-struct __metal_driver_sifive_gpio_led __metal_dt_led_0red = {
- .vtable = &__metal_driver_vtable_sifive_led,
- .led.vtable = &__metal_driver_vtable_sifive_led.led_vtable,
-/* From gpio@20002000 */
- .gpio = &__metal_dt_gpio_20002000,
- .pin = 0UL,
- .label = "LD0red",
-};
-
-/* From led@0green */
-struct __metal_driver_sifive_gpio_led __metal_dt_led_0green = {
- .vtable = &__metal_driver_vtable_sifive_led,
- .led.vtable = &__metal_driver_vtable_sifive_led.led_vtable,
-/* From gpio@20002000 */
- .gpio = &__metal_dt_gpio_20002000,
- .pin = 1UL,
- .label = "LD0green",
-};
-
-/* From led@0blue */
-struct __metal_driver_sifive_gpio_led __metal_dt_led_0blue = {
- .vtable = &__metal_driver_vtable_sifive_led,
- .led.vtable = &__metal_driver_vtable_sifive_led.led_vtable,
-/* From gpio@20002000 */
- .gpio = &__metal_dt_gpio_20002000,
- .pin = 2UL,
- .label = "LD0blue",
-};
-
/* From button@0 */
struct __metal_driver_sifive_gpio_button __metal_dt_button_0 = {
.vtable = &__metal_driver_vtable_sifive_button,
@@ -461,10 +407,42 @@ struct __metal_driver_sifive_gpio_button __metal_dt_button_3 = {
.label = "BTN3",
};
+/* From led@0red */
+struct __metal_driver_sifive_gpio_led __metal_dt_led_0red = {
+ .vtable = &__metal_driver_vtable_sifive_led,
+ .led.vtable = &__metal_driver_vtable_sifive_led.led_vtable,
+/* From gpio@20002000 */
+ .gpio = &__metal_dt_gpio_20002000,
+ .pin = 0UL,
+ .label = "LD0red",
+};
+
+/* From led@0green */
+struct __metal_driver_sifive_gpio_led __metal_dt_led_0green = {
+ .vtable = &__metal_driver_vtable_sifive_led,
+ .led.vtable = &__metal_driver_vtable_sifive_led.led_vtable,
+/* From gpio@20002000 */
+ .gpio = &__metal_dt_gpio_20002000,
+ .pin = 1UL,
+ .label = "LD0green",
+};
+
+/* From led@0blue */
+struct __metal_driver_sifive_gpio_led __metal_dt_led_0blue = {
+ .vtable = &__metal_driver_vtable_sifive_led,
+ .led.vtable = &__metal_driver_vtable_sifive_led.led_vtable,
+/* From gpio@20002000 */
+ .gpio = &__metal_dt_gpio_20002000,
+ .pin = 2UL,
+ .label = "LD0blue",
+};
+
/* From switch@0 */
struct __metal_driver_sifive_gpio_switch __metal_dt_switch_0 = {
.vtable = &__metal_driver_vtable_sifive_switch,
.flip.vtable = &__metal_driver_vtable_sifive_switch.switch_vtable,
+ .gpio = NULL,
+ .pin = 0,
/* From global_external_interrupts */
.interrupt_parent = &__metal_dt_global_external_interrupts.irc,
.interrupt_line = 0UL,
@@ -475,6 +453,8 @@ struct __metal_driver_sifive_gpio_switch __metal_dt_switch_0 = {
struct __metal_driver_sifive_gpio_switch __metal_dt_switch_1 = {
.vtable = &__metal_driver_vtable_sifive_switch,
.flip.vtable = &__metal_driver_vtable_sifive_switch.switch_vtable,
+ .gpio = NULL,
+ .pin = 0,
/* From global_external_interrupts */
.interrupt_parent = &__metal_dt_global_external_interrupts.irc,
.interrupt_line = 1UL,
@@ -485,6 +465,8 @@ struct __metal_driver_sifive_gpio_switch __metal_dt_switch_1 = {
struct __metal_driver_sifive_gpio_switch __metal_dt_switch_2 = {
.vtable = &__metal_driver_vtable_sifive_switch,
.flip.vtable = &__metal_driver_vtable_sifive_switch.switch_vtable,
+ .gpio = NULL,
+ .pin = 0,
/* From global_external_interrupts */
.interrupt_parent = &__metal_dt_global_external_interrupts.irc,
.interrupt_line = 2UL,
@@ -495,12 +477,24 @@ struct __metal_driver_sifive_gpio_switch __metal_dt_switch_2 = {
struct __metal_driver_sifive_gpio_switch __metal_dt_switch_3 = {
.vtable = &__metal_driver_vtable_sifive_switch,
.flip.vtable = &__metal_driver_vtable_sifive_switch.switch_vtable,
+ .gpio = NULL,
+ .pin = 0,
/* From local_external_interrupts_0 */
.interrupt_parent = &__metal_dt_local_external_interrupts_0.irc,
.interrupt_line = 8UL,
.label = "SW3",
};
+/* From spi@20004000 */
+struct __metal_driver_sifive_spi0 __metal_dt_spi_20004000 = {
+ .vtable = &__metal_driver_vtable_sifive_spi0,
+ .spi.vtable = &__metal_driver_vtable_sifive_spi0.spi,
+ .control_base = 536887296UL,
+ .control_size = 4096UL,
+ .clock = NULL,
+ .pinmux = NULL,
+};
+
/* From teststatus@4000 */
struct __metal_driver_sifive_test0 __metal_dt_teststatus_4000 = {
.vtable = &__metal_driver_vtable_sifive_test0,
@@ -509,10 +503,21 @@ struct __metal_driver_sifive_test0 __metal_dt_teststatus_4000 = {
.size = 4096UL,
};
-/* From teststatus@4000 */
-#define __METAL_DT_SHUTDOWN_HANDLE (&__metal_dt_teststatus_4000.shutdown)
+/* From serial@20000000 */
+struct __metal_driver_sifive_uart0 __metal_dt_serial_20000000 = {
+ .vtable = &__metal_driver_vtable_sifive_uart0,
+ .uart.vtable = &__metal_driver_vtable_sifive_uart0.uart,
+ .control_base = 536870912UL,
+ .control_size = 4096UL,
+/* From clock@0 */
+ .clock = &__metal_dt_clock_0.clock,
+ .pinmux = NULL,
+/* From interrupt_controller@2000000 */
+ .interrupt_parent = &__metal_dt_interrupt_controller_2000000.controller,
+ .num_interrupts = METAL_MAX_UART_INTERRUPTS,
+ .interrupt_line = 16UL,
+};
-#define __METAL_DT_TESTSTATUS_4000_HANDLE (&__metal_dt_teststatus_4000.shutdown)
/* From serial@20000000 */
#define __METAL_DT_STDOUT_UART_HANDLE (&__metal_dt_serial_20000000.uart)
@@ -521,19 +526,36 @@ struct __metal_driver_sifive_test0 __metal_dt_teststatus_4000 = {
#define __METAL_DT_STDOUT_UART_BAUD 115200
+/* From cpu@0 */
+#define __METAL_DT_RISCV_CPU_HANDLE (&__metal_dt_cpu_0.cpu)
+
+#define __METAL_DT_CPU_0_HANDLE (&__metal_dt_cpu_0.cpu)
+
#define __METAL_DT_MAX_HARTS 1
asm (".weak __metal_cpu_table");
struct __metal_driver_cpu *__metal_cpu_table[] = {
&__metal_dt_cpu_0};
-#define __METAL_DT_MAX_LEDS 3
+/* From interrupt_controller */
+#define __METAL_DT_RISCV_CPU_INTC_HANDLE (&__metal_dt_interrupt_controller.controller)
-asm (".weak __metal_led_table");
-struct __metal_driver_sifive_gpio_led *__metal_led_table[] = {
- &__metal_dt_led_0red,
- &__metal_dt_led_0green,
- &__metal_dt_led_0blue};
+#define __METAL_DT_INTERRUPT_CONTROLLER_HANDLE (&__metal_dt_interrupt_controller.controller)
+
+/* From interrupt_controller@2000000 */
+#define __METAL_DT_SIFIVE_CLIC0_HANDLE (&__metal_dt_interrupt_controller_2000000.controller)
+
+#define __METAL_DT_INTERRUPT_CONTROLLER_2000000_HANDLE (&__metal_dt_interrupt_controller_2000000.controller)
+
+/* From local_external_interrupts_0 */
+#define __METAL_DT_SIFIVE_LOCAL_EXINTR0_HANDLE (&__metal_dt_local_external_interrupts_0.irc)
+
+#define __METAL_DT_LOCAL_EXTERNAL_INTERRUPTS_0_HANDLE (&__metal_dt_local_external_interrupts_0.irc)
+
+/* From global_external_interrupts */
+#define __METAL_DT_SIFIVE_GLOBAL_EXINTR0_HANDLE (&__metal_dt_global_external_interrupts.irc)
+
+#define __METAL_DT_GLOBAL_EXTERNAL_INTERRUPTS_HANDLE (&__metal_dt_global_external_interrupts.irc)
#define __METAL_DT_MAX_BUTTONS 4
@@ -544,6 +566,14 @@ struct __metal_driver_sifive_gpio_button *__metal_button_table[] = {
&__metal_dt_button_2,
&__metal_dt_button_3};
+#define __METAL_DT_MAX_LEDS 3
+
+asm (".weak __metal_led_table");
+struct __metal_driver_sifive_gpio_led *__metal_led_table[] = {
+ &__metal_dt_led_0red,
+ &__metal_dt_led_0green,
+ &__metal_dt_led_0blue};
+
#define __METAL_DT_MAX_SWITCHES 4
asm (".weak __metal_switch_table");
@@ -553,8 +583,18 @@ struct __metal_driver_sifive_gpio_switch *__metal_switch_table[] = {
&__metal_dt_switch_2,
&__metal_dt_switch_3};
-#endif
+#define __METAL_DT_MAX_SPIS 1
+
+asm (".weak __metal_spi_table");
+struct __metal_driver_sifive_spi0 *__metal_spi_table[] = {
+ &__metal_dt_spi_20004000};
+
+/* From teststatus@4000 */
+#define __METAL_DT_SHUTDOWN_HANDLE (&__metal_dt_teststatus_4000.shutdown)
+
+#define __METAL_DT_TESTSTATUS_4000_HANDLE (&__metal_dt_teststatus_4000.shutdown)
-#endif /*METAL__MACHINE__COREIP_E24_ARTY__METAL_H*/
-#endif/*ASSEMBLY*/
+#endif /* ! __METAL_MACHINE_MACROS */
+#endif /* COREIP_E24_ARTY__METAL_H*/
+#endif /* ! ASSEMBLY */