rockchip: sdram_common: add common dram_init_banksize
dram_init_banksize() can be common used by all SoCs, move it into
sdram_common.c
Signed-off-by: Kever Yang <kever.yang@rock-chips.com>
diff --git a/arch/arm/mach-rockchip/sdram_common.c b/arch/arm/mach-rockchip/sdram_common.c
index 8684dbd..22a4aca 100644
--- a/arch/arm/mach-rockchip/sdram_common.c
+++ b/arch/arm/mach-rockchip/sdram_common.c
@@ -11,6 +11,69 @@
#include <dm/uclass-internal.h>
DECLARE_GLOBAL_DATA_PTR;
+
+#define TRUST_PARAMETER_OFFSET (34 * 1024 * 1024)
+
+struct tos_parameter_t {
+ u32 version;
+ u32 checksum;
+ struct {
+ char name[8];
+ s64 phy_addr;
+ u32 size;
+ u32 flags;
+ } tee_mem;
+ struct {
+ char name[8];
+ s64 phy_addr;
+ u32 size;
+ u32 flags;
+ } drm_mem;
+ s64 reserve[8];
+};
+
+int dram_init_banksize(void)
+{
+ size_t top = min((unsigned long)(gd->ram_size + CONFIG_SYS_SDRAM_BASE),
+ gd->ram_top);
+
+#ifdef CONFIG_ARM64
+ /* Reserve 0x200000 for ATF bl31 */
+ gd->bd->bi_dram[0].start = 0x200000;
+ gd->bd->bi_dram[0].size = top - gd->bd->bi_dram[0].start;
+#else
+#ifdef CONFIG_SPL_OPTEE
+ struct tos_parameter_t *tos_parameter;
+
+ tos_parameter = (struct tos_parameter_t *)(CONFIG_SYS_SDRAM_BASE +
+ TRUST_PARAMETER_OFFSET);
+
+ if (tos_parameter->tee_mem.flags == 1) {
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = tos_parameter->tee_mem.phy_addr
+ - CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[1].start = tos_parameter->tee_mem.phy_addr +
+ tos_parameter->tee_mem.size;
+ gd->bd->bi_dram[1].size = gd->bd->bi_dram[0].start
+ + top - gd->bd->bi_dram[1].start;
+ } else {
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = 0x8400000;
+ /* Reserve 32M for OPTEE with TA */
+ gd->bd->bi_dram[1].start = CONFIG_SYS_SDRAM_BASE
+ + gd->bd->bi_dram[0].size + 0x2000000;
+ gd->bd->bi_dram[1].size = gd->bd->bi_dram[0].start
+ + top - gd->bd->bi_dram[1].start;
+ }
+#else
+ gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE;
+ gd->bd->bi_dram[0].size = top - gd->bd->bi_dram[0].start;
+#endif
+#endif
+
+ return 0;
+}
+
size_t rockchip_sdram_size(phys_addr_t reg)
{
u32 rank, col, bk, cs0_row, cs1_row, bw, row_3_4;