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authorSergey Temerkhanov <s.temerkhanov@gmail.com>2015-10-14 09:55:52 -0700
committerTom Rini <trini@konsulko.com>2016-01-19 22:26:13 +0000
commit3ed2ece5e162b104cd3ea3788cae841ecd24408f (patch)
tree75526210ee6666ad882ab88fd0d1cf5aa0c201aa /board/cavium
parent900f88f3b08b71becd5cecba0687e8eb24fc342b (diff)
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armv8: cavium: Get DRAM size from ATF
Change the dram_init() function on ThunderX to query ATF services for the real installed DRAM size Signed-off-by: Sergey Temerkhanov <s.temerkhanov@gmail.com> Signed-off-by: Radha Mohan Chintakuntla <rchintakuntla@cavium.com>
Diffstat (limited to 'board/cavium')
-rw-r--r--board/cavium/thunderx/thunderx.c27
1 files changed, 27 insertions, 0 deletions
diff --git a/board/cavium/thunderx/thunderx.c b/board/cavium/thunderx/thunderx.c
index 486374e..b926767 100644
--- a/board/cavium/thunderx/thunderx.c
+++ b/board/cavium/thunderx/thunderx.c
@@ -9,6 +9,8 @@
#include <errno.h>
#include <linux/compiler.h>
+#include <cavium/atf.h>
+
#if !CONFIG_IS_ENABLED(OF_CONTROL)
#include <dm/platdata.h>
#include <dm/platform_data/serial_pl01x.h>
@@ -50,6 +52,31 @@ int timer_init(void)
return 0;
}
+int dram_init(void)
+{
+ ssize_t node_count = atf_node_count();
+ ssize_t dram_size;
+ int node;
+
+ printf("Initializing\nNodes in system: %zd\n", node_count);
+
+ gd->ram_size = 0;
+
+ for (node = 0; node < node_count; node++) {
+ dram_size = atf_dram_size(node);
+ printf("Node %d: %zd MBytes of DRAM\n", node, dram_size >> 20);
+ gd->ram_size += dram_size;
+ }
+
+ gd->ram_size -= MEM_BASE;
+
+ *(unsigned long *)CPU_RELEASE_ADDR = 0;
+
+ puts("DRAM size:");
+
+ return 0;
+}
+
/*
* Board specific reset that is system reset.
*/