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imx9: trdc: introduce trdc_mbc_blk_num

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Add trdc_mbc_blk_num to get num blks in a MBC mem slot, then drop
the hardcoded value '40' for NIC OCRAM configuration.

Signed-off-by: Peng Fan <peng.fan@nxp.com>
This commit is contained in:
Peng Fan
2024-09-19 12:01:36 +08:00
committed by Fabio Estevam
parent 5da0629d13
commit 0c2f9cbbb5
1 changed files with 20 additions and 1 deletions
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21
arch/arm/mach-imx/imx9/trdc.c
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@@ -19,6 +19,7 @@
#define MRC_MAX_NUM 2
#define MBC_NUM(HWCFG) (((HWCFG) >> 16) & 0xF)
#define MRC_NUM(HWCFG) (((HWCFG) >> 24) & 0x1F)
#define MBC_BLK_NUM(GLBCFG) ((GLBCFG) & 0x3FF)
enum {
/* Order following ELE API Spec, not change */
@@ -154,6 +155,22 @@ static ulong trdc_get_mrc_base(ulong trdc_reg, u32 mrc_x)
return trdc_reg + 0x10000 + 0x2000 * mbc_num + 0x1000 * mrc_x;
}
static u32 trdc_mbc_blk_num(ulong trdc_reg, u32 mbc_x, u32 mem_x)
{
struct trdc_mbc *mbc_base = (struct trdc_mbc *)trdc_get_mbc_base(trdc_reg, mbc_x);
struct mbc_mem_dom *mbc_dom;
u32 glbcfg;
if (mbc_base == 0)
return 0;
/* only first dom has the glbcfg */
mbc_dom = &mbc_base->mem_dom[0];
glbcfg = readl((uintptr_t)&mbc_dom->mem_glbcfg[mem_x]);
return MBC_BLK_NUM(glbcfg);
}
int trdc_mbc_set_control(ulong trdc_reg, u32 mbc_x, u32 glbac_id, u32 glbac_val)
{
struct trdc_mbc *mbc_base = (struct trdc_mbc *)trdc_get_mbc_base(trdc_reg, mbc_x);
@@ -383,6 +400,7 @@ int release_rdc(u8 xrdc)
void trdc_early_init(void)
{
int ret = 0, i;
u32 blks;
ret |= release_rdc(TRDC_A);
ret |= release_rdc(TRDC_M);
@@ -397,7 +415,8 @@ void trdc_early_init(void)
/* Set OCRAM to RWX for secure, when OEM_CLOSE, the image is RX only */
trdc_mbc_set_control(TRDC_NIC_BASE, MBC(3), GLOBAL_ID(0), PERM(0x7700));
for (i = 0; i < 40; i++) {
blks = trdc_mbc_blk_num(TRDC_NIC_BASE, MBC(3), MEM(0));
for (i = 0; i < blks; i++) {
trdc_mbc_blk_config(TRDC_NIC_BASE, MBC(3), DOM(3), MEM(0), i,
true, GLOBAL_ID(0));