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authorAaron Durbin <adurbin@chromium.org>2014-07-10 15:05:13 -0500
committerMarc Jones <marc.jones@se-eng.com>2015-03-05 17:31:26 +0100
commiteeacf74a7ce9f3302d813287e6409d660da43958 (patch)
tree665f7335f643a95dfab1c2e64bfcd95bad561970 /src/soc/nvidia/tegra132/sdram.c
parent5626d8f59a4a70da4724e778a38e0fe6847fa5d8 (diff)
t132: Enable cbmem console support
Enabled CBMEM support for t132 platforms. Some of the existing code is moved around to avoid dependencies in the other stages that need it. BUG=None BRANCH=None TEST=Built and booted a rush with cbmem support. Original-Change-Id: I78a31b58ab9cc01a7b5d1fffdb6c8ae0c446c7dd Original-Signed-off-by: Aaron Durbin <adurbin@chromium.org> Original-Reviewed-on: https://chromium-review.googlesource.com/207163 Original-Reviewed-by: Furquan Shaikh <furquan@chromium.org> (cherry picked from commit f552197dbda06c754b5664c3bed4ed361154229a) Signed-off-by: Marc Jones <marc.jones@se-eng.com> Change-Id: I8fa2919714b467cc976e5bb5c4716e5b7979694b Reviewed-on: http://review.coreboot.org/8589 Tested-by: build bot (Jenkins) Reviewed-by: Aaron Durbin <adurbin@google.com>
Diffstat (limited to 'src/soc/nvidia/tegra132/sdram.c')
-rw-r--r--src/soc/nvidia/tegra132/sdram.c26
1 files changed, 0 insertions, 26 deletions
diff --git a/src/soc/nvidia/tegra132/sdram.c b/src/soc/nvidia/tegra132/sdram.c
index 4e1f7ecfe8..0b1edf10f9 100644
--- a/src/soc/nvidia/tegra132/sdram.c
+++ b/src/soc/nvidia/tegra132/sdram.c
@@ -619,29 +619,3 @@ uint32_t sdram_get_ram_code(void)
PMC_STRAPPING_OPT_A_RAM_CODE_MASK) >>
PMC_STRAPPING_OPT_A_RAM_CODE_SHIFT);
}
-
-/* returns total amount of DRAM (in MB) from memory controller registers */
-int sdram_size_mb(void)
-{
- struct tegra_mc_regs *mc = (struct tegra_mc_regs *)TEGRA_MC_BASE;
- static int total_size = 0;
-
- if (total_size)
- return total_size;
-
- /*
- * This obtains memory size from the External Memory Aperture
- * Configuration register. Nvidia confirmed that it is safe to assume
- * this value represents the total physical DRAM size.
- */
- total_size = (read32(&mc->emem_cfg) >>
- MC_EMEM_CFG_SIZE_MB_SHIFT) & MC_EMEM_CFG_SIZE_MB_MASK;
-
- printk(BIOS_DEBUG, "%s: Total SDRAM (MB): %u\n", __func__, total_size);
- return total_size;
-}
-
-uintptr_t sdram_max_addressable_mb(void)
-{
- return MIN((CONFIG_SYS_SDRAM_BASE/MiB) + sdram_size_mb(), 4096);
-}