1 /* CPU specific code for the LEON3 CPU
3 * (C) Copyright 2007, 2015
4 * Daniel Hellstrom, Cobham Gaisler, daniel@gaisler.com
6 * SPDX-License-Identifier: GPL-2.0+
15 #include <asm/processor.h>
18 DECLARE_GLOBAL_DATA_PTR;
20 extern void _reset_reloc(void);
24 unsigned int leon_cpu_freq = CONFIG_SYS_CLK_FREQ;
31 ambapp_ahbmst_find(&ambapp_plb, VENDOR_GAISLER,
32 GAISLER_LEON3, 0, &dev);
34 ambapp_ahbmst_find(&ambapp_plb, VENDOR_GAISLER,
35 GAISLER_LEON4, 0, &dev);
38 leon_cpu_freq = ambapp_bus_freq(&ambapp_plb, dev.ahb_bus_index);
48 /* check LEON version here */
49 cnt = ambapp_ahbmst_count(&ambapp_plb, VENDOR_GAISLER, GAISLER_LEON3);
51 cnt = ambapp_ahbmst_count(&ambapp_plb, VENDOR_GAISLER,
66 printf("CPU: %sLEON%d @ %dMHz\n", str, leon_ver,
67 leon_cpu_freq / 1000000);
72 #ifdef CONFIG_DISPLAY_CPUINFO
74 int print_cpuinfo(void)
76 printf("CPU: LEON3\n");
82 /* ------------------------------------------------------------------------- */
89 /* jump to restart in flash */
93 int do_reset(cmd_tbl_t * cmdtp, int flag, int argc, char * const argv[])
101 u64 flash_read64(void *addr)
103 return __raw_readq(addr);
106 /* ------------------------------------------------------------------------- */
109 int cpu_eth_init(bd_t *bis)
111 return greth_initialize(bis);