/*
* Copyright (c) 2011 The Chromium OS Authors.
- * See file CREDITS for list of people who contributed to this
- * project.
- *
- * This program is free software; you can redistribute it and/or
- * modify it under the terms of the GNU General Public License as
- * published by the Free Software Foundation; either version 2 of
- * the License, or (at your option) any later version.
- *
- * This program is distributed in the hope that it will be useful,
- * but WITHOUT ANY WARRANTY; without even the implied warranty of
- * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
- * GNU General Public License for more details.
- *
- * You should have received a copy of the GNU General Public License
- * along with this program; if not, write to the Free Software
- * Foundation, Inc., 59 Temple Place, Suite 330, Boston,
- * MA 02111-1307 USA
+ * SPDX-License-Identifier: GPL-2.0+
*/
-
+#define DEBUG
#include <common.h>
+#include <dm/root.h>
+#include <os.h>
+#include <asm/state.h>
DECLARE_GLOBAL_DATA_PTR;
+/* Enable access to PCI memory with map_sysmem() */
+static bool enable_pci_map;
+
+#ifdef CONFIG_PCI
+/* Last device that was mapped into memory, and length of mapping */
+static struct udevice *map_dev;
+unsigned long map_len;
+#endif
+
+void reset_cpu(ulong ignored)
+{
+ if (state_uninit())
+ os_exit(2);
+
+ if (dm_uninit())
+ os_exit(2);
+
+ /* This is considered normal termination for now */
+ os_exit(0);
+}
+
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
{
- /*
- * This is considered normal termination for now. We wil call os_exit()
- * when available.
- */
+ reset_cpu(0);
+
return 0;
}
/* delay x useconds */
void __udelay(unsigned long usec)
{
- /* Ignore this for now */
+ os_usleep(usec);
+}
+
+unsigned long __attribute__((no_instrument_function)) timer_get_us(void)
+{
+ return os_get_nsec() / 1000;
}
-unsigned long timer_get_us(void)
+int cleanup_before_linux(void)
{
return 0;
}
-int do_bootm_linux(int flag, int argc, char *argv[], bootm_headers_t *images)
+void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
{
- return -1;
+#ifdef CONFIG_PCI
+ unsigned long plen = len;
+ void *ptr;
+
+ map_dev = NULL;
+ if (enable_pci_map && !pci_map_physmem(paddr, &len, &map_dev, &ptr)) {
+ if (plen != len) {
+ printf("%s: Warning: partial map at %x, wanted %lx, got %lx\n",
+ __func__, paddr, len, plen);
+ }
+ map_len = len;
+ return ptr;
+ }
+#endif
+
+ return (void *)(gd->arch.ram_buf + paddr);
}
-int cleanup_before_linux(void)
+void unmap_physmem(const void *vaddr, unsigned long flags)
{
- return 0;
+#ifdef CONFIG_PCI
+ if (map_dev) {
+ pci_unmap_physmem(vaddr, map_len, map_dev);
+ map_dev = NULL;
+ }
+#endif
}
-void *map_physmem(phys_addr_t paddr, unsigned long len, unsigned long flags)
+void sandbox_set_enable_pci_map(int enable)
+{
+ enable_pci_map = enable;
+}
+
+phys_addr_t map_to_sysmem(const void *ptr)
{
- return (void *)(gd->ram_buf + paddr);
+ return (u8 *)ptr - gd->arch.ram_buf;
}
void flush_dcache_range(unsigned long start, unsigned long stop)