arm/mach-tegra/board.c

1 // SPDX-License-Identifier: GPL-2.0+
3  *  (C) Copyright 2010-2015
15 #include <asm/arch/tegra.h>
16 #include <asm/arch-tegra/ap.h>
17 #include <asm/arch-tegra/board.h>
18 #include <asm/arch-tegra/pmc.h>
19 #include <asm/arch-tegra/sys_proto.h>
20 #include <asm/arch-tegra/warmboot.h>
58 	 * This register reads 0xffffffff in non-secure mode. This register  in tegra_cpu_is_non_secure()
61 	 * non-secure mode.  in tegra_cpu_is_non_secure()
64 	uint32_t mc_s_cfg0 = readl(&mc->mc_security_cfg0);  in tegra_cpu_is_non_secure()
76 	emem_cfg = readl(&mc->mc_emem_cfg);  in query_sdram_size()
78 	debug("mc->mc_emem_cfg (MEM_SIZE_KB) = 0x%08x\n", emem_cfg);  in query_sdram_size()
81 	debug("mc->mc_emem_cfg (MEM_SIZE_MB) = 0x%08x\n", emem_cfg);  in query_sdram_size()
84 	 * If >=4GB RAM is present, the byte RAM size won't fit into 32-bits  in query_sdram_size()
85 	 * and will wrap. Clip the reported size to the maximum that a 32-bit  in query_sdram_size()
89 		size_bytes = U32_MAX & ~(0x1000 - 1);  in query_sdram_size()
97 		 * If all RAM fits within 32-bits, it can be accessed without  in query_sdram_size()
103 		if (emem_cfg <= (0 - PHYS_SDRAM_1) / (1024 * 1024))  in query_sdram_size()
111 	/* External memory limited to 2047 MB due to IROM/HI-VEC */  in query_sdram_size()
113 		size_bytes -= SZ_1M;  in query_sdram_size()
122 	gd->ram_size = query_sdram_size();  in dram_init()
138 	-1,
140 	-1,
143 	-1,
144 	-1,
145 	-1,
146 	-1,
148 	-1,
149 	-1,
150 	-1,
152 	-1,
155 	-1,
156 	-1,
158 	-1,
161 	-1,
162 	-1,
164 	-1,
232 	/* Enable D-cache. I-cache is already enabled in start.S */  in enable_caches()