Rename RISC-V_RV32_SiFive_HiFive1-FreedomStudio directory to RISC-V_RV32_SiFive_HiFiv...

[freertos] / FreeRTOS / Demo / RISC-V_RV32_SiFive_HiFive1_FreedomStudio / freedom-metal / src / drivers / sifive_ccache0.c

diff --git a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/src/drivers/sifive_ccache0.c b/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/src/drivers/sifive_ccache0.c
deleted file mode 100644 (file)
index 6f87237..0000000
--- a/FreeRTOS/Demo/RISC-V_RV32_SiFive_HiFive1_FreedomStudio/freedom-metal/src/drivers/sifive_ccache0.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* Copyright 2019 SiFive, Inc */
-/* SPDX-License-Identifier: Apache-2.0 */
-
-#include <metal/machine/platform.h>
-
-#ifdef METAL_SIFIVE_CCACHE0
-
-#include <stdint.h>
-#include <metal/io.h>
-#include <metal/drivers/sifive_ccache0.h>
-#include <metal/machine.h>
-
-#define L2_CONFIG_WAYS_SHIFT    8
-#define L2_CONFIG_WAYS_MASK     (0xFF << L2_CONFIG_WAYS_SHIFT)
-
-void __metal_driver_sifive_ccache0_init(struct metal_cache *l2, int ways);
-
-static void metal_driver_sifive_ccache0_init(void) __attribute__((constructor));
-static void metal_driver_sifive_ccache0_init(void)
-{
-#ifdef __METAL_DT_SIFIVE_CCACHE0_HANDLE
-    /* Get the handle for the L2 cache controller */
-    struct metal_cache *l2 = __METAL_DT_SIFIVE_CCACHE0_HANDLE;
-    if(!l2) {
-        return;
-    }
-
-    /* Get the number of available ways per bank */
-    unsigned long control_base = __metal_driver_sifive_ccache0_control_base(l2);
-    uint32_t ways = __METAL_ACCESS_ONCE((__metal_io_u32 *)(control_base + METAL_SIFIVE_CCACHE0_CONFIG));
-    ways = ((ways & L2_CONFIG_WAYS_MASK) >> L2_CONFIG_WAYS_SHIFT);
-
-    /* Enable all the ways */
-    __metal_driver_sifive_ccache0_init(l2, ways);
-#endif
-}
-
-void __metal_driver_sifive_ccache0_init(struct metal_cache *l2, int ways)
-{
-    metal_cache_set_enabled_ways(l2, ways);
-}
-
-int __metal_driver_sifive_ccache0_get_enabled_ways(struct metal_cache *cache)
-{
-    unsigned long control_base = __metal_driver_sifive_ccache0_control_base(cache);
-
-    uint32_t way_enable = __METAL_ACCESS_ONCE((__metal_io_u32 *)(control_base + METAL_SIFIVE_CCACHE0_WAYENABLE));
-
-    /* The stored number is the index, so add one */
-    return (0xFF & way_enable) + 1;
-}
-
-int __metal_driver_sifive_ccache0_set_enabled_ways(struct metal_cache *cache, int ways)
-{
-    unsigned long control_base = __metal_driver_sifive_ccache0_control_base(cache);
-
-    /* We can't decrease the number of enabled ways */
-    if(metal_cache_get_enabled_ways(cache) > ways) {
-        return -2;
-    }
-
-    /* The stored value is the index, so subtract one */
-    uint32_t value = 0xFF & (ways - 1);
-
-    /* Set the number of enabled ways */
-    __METAL_ACCESS_ONCE((__metal_io_u32 *)(control_base + METAL_SIFIVE_CCACHE0_WAYENABLE)) = value;
-
-    /* Make sure the number of ways was set correctly */
-    if(metal_cache_get_enabled_ways(cache) != ways) {
-        return -3;
-    }
-
-    return 0;
-}
-
-__METAL_DEFINE_VTABLE(__metal_driver_vtable_sifive_ccache0) = {
-       .cache.init = __metal_driver_sifive_ccache0_init,
-       .cache.get_enabled_ways = __metal_driver_sifive_ccache0_get_enabled_ways,
-       .cache.set_enabled_ways = __metal_driver_sifive_ccache0_set_enabled_ways,
-};
-
-#endif
-
-typedef int no_empty_translation_units;