board: freescale: ls1012a: Enable secure DDR on LS1012A platforms

PPA binary needs to be relocated on secure DDR, hence marking out
a portion of DDR as secure if CONFIG_SYS_MEM_RESERVE_SECURE flag
is set

Signed-off-by: Hou Zhiqiang <Zhiqiang.Hou@nxp.com>
Signed-off-by: Abhimanyu Saini <abhimanyu.saini@nxp.com>
Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha@nxp.com>
Reviewed-by: York Sun <york.sun@nxp.com>
This commit is contained in:
Prabhakar Kushwaha
2017-01-30 17:05:22 +05:30
committed by York Sun
parent 0ae7050c25
commit 7d559604d0
5 changed files with 91 additions and 0 deletions

View File

@@ -85,3 +85,32 @@ int ft_board_setup(void *blob, bd_t *bd)
return 0;
}
void dram_init_banksize(void)
{
/*
* gd->arch.secure_ram tracks the location of secure memory.
* It was set as if the memory starts from 0.
* The address needs to add the offset of its bank.
*/
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
gd->bd->bi_dram[1].size = gd->ram_size -
CONFIG_SYS_DDR_BLOCK1_SIZE;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
gd->arch.secure_ram = gd->bd->bi_dram[1].start +
gd->arch.secure_ram -
CONFIG_SYS_DDR_BLOCK1_SIZE;
gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
} else {
gd->bd->bi_dram[0].size = gd->ram_size;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
gd->arch.secure_ram = gd->bd->bi_dram[0].start +
gd->arch.secure_ram;
gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
}
}

View File

@@ -159,3 +159,32 @@ int ft_board_setup(void *blob, bd_t *bd)
return 0;
}
#endif
void dram_init_banksize(void)
{
/*
* gd->arch.secure_ram tracks the location of secure memory.
* It was set as if the memory starts from 0.
* The address needs to add the offset of its bank.
*/
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
gd->bd->bi_dram[1].size = gd->ram_size -
CONFIG_SYS_DDR_BLOCK1_SIZE;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
gd->arch.secure_ram = gd->bd->bi_dram[1].start +
gd->arch.secure_ram -
CONFIG_SYS_DDR_BLOCK1_SIZE;
gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
} else {
gd->bd->bi_dram[0].size = gd->ram_size;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
gd->arch.secure_ram = gd->bd->bi_dram[0].start +
gd->arch.secure_ram;
gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
}
}

View File

@@ -159,3 +159,32 @@ int ft_board_setup(void *blob, bd_t *bd)
return 0;
}
void dram_init_banksize(void)
{
/*
* gd->secure_ram tracks the location of secure memory.
* It was set as if the memory starts from 0.
* The address needs to add the offset of its bank.
*/
gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
if (gd->ram_size > CONFIG_SYS_DDR_BLOCK1_SIZE) {
gd->bd->bi_dram[0].size = CONFIG_SYS_DDR_BLOCK1_SIZE;
gd->bd->bi_dram[1].start = CONFIG_SYS_DDR_BLOCK2_BASE;
gd->bd->bi_dram[1].size = gd->ram_size -
CONFIG_SYS_DDR_BLOCK1_SIZE;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
gd->arch.secure_ram = gd->bd->bi_dram[1].start +
gd->arch.secure_ram -
CONFIG_SYS_DDR_BLOCK1_SIZE;
gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
} else {
gd->bd->bi_dram[0].size = gd->ram_size;
#ifdef CONFIG_SYS_MEM_RESERVE_SECURE
gd->arch.secure_ram = gd->bd->bi_dram[0].start +
gd->arch.secure_ram;
gd->arch.secure_ram |= MEM_RESERVE_SECURE_MAINTAINED;
#endif
}
}