microblaze: add arch_print_bdinfo() implementation

Allow bdinfo command to print icache/dcache information:
U-Boot-mONStR> bdinfo
boot_params = 0x00000000
DRAM bank   = 0x00000000
-> start    = 0x04000000
-> size     = 0x04000000
flashstart  = 0x00000000
flashsize   = 0x00000000
flashoffset = 0x00000000
baudrate    = 9600 bps
relocaddr   = 0x07f76000
reloc off   = 0x02f76000
Build       = 32-bit
current eth = unknown
ethaddr     = (not set)
IP addr     = <NULL>
fdt_blob    = 0x07fec7e0
new_fdt     = 0x00000000
fdt_size    = 0x00000000
lmb_dump_all:
 memory.cnt  = 0x1
 memory[0]      [0x4000000-0x7ffffff], 0x04000000 bytes flags: 0
 reserved.cnt  = 0x1
 reserved[0]    [0x7e94b8c-0x7ffffff], 0x0016b474 bytes flags: 0
devicetree  = embed
icache      = 32 KiB
icache line = 4 Bytes
dcache      = 32 KiB
dcache line = 4 Bytes

Signed-off-by: Ovidiu Panait <ovpanait@gmail.com>
Link: https://lore.kernel.org/r/20220829170205.1274484-4-ovpanait@gmail.com
Signed-off-by: Michal Simek <michal.simek@amd.com>

diff --git a/arch/microblaze/lib/Makefile b/arch/microblaze/lib/Makefile
index 05f447a..dfd8135 100644 (file)
--- a/arch/microblaze/lib/Makefile
+++ b/arch/microblaze/lib/Makefile
@@ -4,4 +4,5 @@
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
 
 obj-$(CONFIG_CMD_BOOTM) += bootm.o
+obj-$(CONFIG_CMD_BDI) += bdinfo.o
 obj-y  += muldi3.o

diff --git a/arch/microblaze/lib/bdinfo.c b/arch/microblaze/lib/bdinfo.c
new file mode 100644 (file)
index 0000000..41b7a21
--- /dev/null
+++ b/arch/microblaze/lib/bdinfo.c
@@ -0,0 +1,24 @@
+// SPDX-License-Identifier: GPL-2.0+
+/*
+ * Copyright (C) 2022, Ovidiu Panait <ovpanait@gmail.com>
+ */
+#include <init.h>
+#include <asm/cpuinfo.h>
+#include <asm/global_data.h>
+
+DECLARE_GLOBAL_DATA_PTR;
+
+void arch_print_bdinfo(void)
+{
+       struct microblaze_cpuinfo *ci = gd_cpuinfo();
+
+       if (ci->icache_size) {
+               bdinfo_print_size("icache", ci->icache_size);
+               bdinfo_print_size("icache line", ci->icache_line_length);
+       }
+
+       if (ci->dcache_size) {
+               bdinfo_print_size("dcache", ci->dcache_size);
+               bdinfo_print_size("dcache line", ci->dcache_line_length);
+       }
+}