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authorSimon Glass <sjg@chromium.org>2015-02-07 11:51:38 -0700
committerSimon Glass <sjg@chromium.org>2015-02-12 10:35:30 -0700
commit00cca639d56e791e5bea16b0e77d9540651132fe (patch)
tree98552d9cceae93ebcca5e01b927182f3d66ea784 /arch
parent6566041c0bf9523becf5292e45a0f5c3686ebdd4 (diff)
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powerpc: ppc4xx: Add ramboot config for glacier
Add a new ramboot config for glacier so that it is possible to test U-Boot loaded over Ethernet instead of using JTAG. Signed-off-by: Simon Glass <sjg@chromium.org>
Diffstat (limited to 'arch')
-rw-r--r--arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c8
1 files changed, 8 insertions, 0 deletions
diff --git a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
index 71bb9d7..7202c3f 100644
--- a/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
+++ b/arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c
@@ -424,6 +424,14 @@ phys_size_t initdram(int board_type)
int write_recovery;
phys_size_t dram_size = 0;
+ if (IS_ENABLED(CONFIG_SYS_RAMBOOT)) {
+ /*
+ * Reduce RAM size to avoid overwriting memory used by
+ * current stack? Not sure what is happening.
+ */
+ return sdram_memsize() / 2;
+ }
+
num_dimm_banks = sizeof(iic0_dimm_addr);
/*------------------------------------------------------------------