diff options
Diffstat (limited to 'src/soc/nvidia/tegra132/sdram.c')
-rw-r--r-- | src/soc/nvidia/tegra132/sdram.c | 26 |
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); -} |