xref: /aosp_15_r20/external/coreboot/src/soc/qualcomm/common/mmu.c (revision b9411a12aaaa7e1e6a6fb7c5e057f44ee179a49c)
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 
3 #include <arch/mmu.h>
4 #include <soc/mmu.h>
5 #include <soc/mmu_common.h>
6 #include <soc/symbols_common.h>
7 
soc_modem_carve_out(void ** start,void ** end)8 __weak bool soc_modem_carve_out(void **start, void **end) { return false; }
9 
qc_mmu_dram_config_post_dram_init(void * ddr_base,size_t ddr_size)10 void qc_mmu_dram_config_post_dram_init(void *ddr_base, size_t ddr_size)
11 {
12 	void *start = NULL;
13 	void *end = NULL;
14 
15 	if (!soc_modem_carve_out(&start, &end)) {
16 		mmu_config_range((void *)ddr_base, ddr_size, CACHED_RAM);
17 	} else {
18 		mmu_config_range(ddr_base, start - ddr_base, CACHED_RAM);
19 		mmu_config_range(end, ddr_base + ddr_size - end, CACHED_RAM);
20 	}
21 
22 	mmu_config_range((void *)_aop_code_ram, REGION_SIZE(aop_code_ram),
23 							CACHED_RAM);
24 	mmu_config_range((void *)_aop_data_ram, REGION_SIZE(aop_data_ram),
25 							CACHED_RAM);
26 }
27