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Name hardcoded TSEC regs

This commit is contained in:
Kostas Missos 2018-12-01 20:49:31 +02:00
parent 1ac7f61f49
commit 1b075c91bd

View File

@ -36,7 +36,7 @@ static int _tsec_dma_wait_idle()
{
u32 timeout = get_tmr_ms() + 10000;
while (!(TSEC(0x1118) & 2))
while (!(TSEC(TSEC_DMATRFCMD) & TSEC_DMATRFCMD_IDLE))
if (get_tmr_ms() > timeout)
return 0;
@ -48,13 +48,13 @@ static int _tsec_dma_pa_to_internal_100(int not_imem, int i_offset, int pa_offse
u32 cmd;
if (not_imem)
cmd = 0x600; // DMA 0x100 bytes
cmd = TSEC_DMATRFCMD_SIZE_256B; // DMA 256 bytes
else
cmd = 0x10; // dma imem
cmd = TSEC_DMATRFCMD_IMEM; // DMA IMEM (Instruction memmory)
TSEC(0x1114) = i_offset; // tsec_dmatrfmoffs_r
TSEC(0x111C) = pa_offset; // tsec_dmatrffboffs_r
TSEC(0x1118) = cmd; // tsec_dmatrfcmd_r
TSEC(TSEC_DMATRFMOFFS) = i_offset;
TSEC(TSEC_DMATRFFBOFFS) = pa_offset;
TSEC(TSEC_DMATRFCMD) = cmd;
return _tsec_dma_wait_idle();
}
@ -74,10 +74,21 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
clock_enable_kfuse();
//Configure Falcon.
TSEC(0x110C) = 0; // tsec_dmactl_r
TSEC(0x1010) = 0xFFF2; // tsec_irqmset_r
TSEC(0x101C) = 0xFFF0; // tsec_irqdest_r
TSEC(0x1048) = 3; // tsec_itfen_r
TSEC(TSEC_DMACTL) = 0;
TSEC(TSEC_IRQMSET) =
TSEC_IRQMSET_EXT(0xFF) |
TSEC_IRQMSET_WDTMR |
TSEC_IRQMSET_HALT |
TSEC_IRQMSET_EXTERR |
TSEC_IRQMSET_SWGEN0 |
TSEC_IRQMSET_SWGEN1;
TSEC(TSEC_IRQDEST) =
TSEC_IRQDEST_EXT(0xFF) |
TSEC_IRQDEST_HALT |
TSEC_IRQDEST_EXTERR |
TSEC_IRQDEST_SWGEN0 |
TSEC_IRQDEST_SWGEN1;
TSEC(TSEC_ITFEN) = TSEC_ITFEN_CTXEN | TSEC_ITFEN_MTHDEN;
if (!_tsec_dma_wait_idle())
{
res = -1;
@ -122,6 +133,9 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
// Fuse driver.
fuse = page_alloc(1);
memcpy((void *)&fuse[0x800/4], (void *)FUSE_BASE, 0x400);
fuse[0x82C / 4] = 0;
fuse[0x9E0 / 4] = (1 << (kb + 2)) - 1;
fuse[0x9E4 / 4] = (1 << (kb + 2)) - 1;
smmu_map(pdir, (FUSE_BASE - 0x800), (u32)fuse, 1, _READABLE | _NONSECURE);
// Power management controller.
@ -156,10 +170,10 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
//Execute firmware.
HOST1X(0x3300) = 0x34C2E1DA;
TSEC(0x1044) = 0;
TSEC(0x1040) = rev;
TSEC(0x1104) = 0; // tsec_bootvec_r
TSEC(0x1100) = 2; // tsec_cpuctl_r
TSEC(TSEC_STATUS) = 0;
TSEC(TSEC_BOOTKEYVER) = tsec_ctxt->key_ver;
TSEC(TSEC_BOOTVEC) = 0;
TSEC(TSEC_CPUCTL) = TSEC_CPUCTL_STARTCPU;
if (kb <= KB_FIRMWARE_VERSION_600)
{
@ -169,13 +183,13 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
goto out_free;
}
u32 timeout = get_tmr_ms() + 2000;
while (!TSEC(0x1044))
while (!TSEC(TSEC_STATUS))
if (get_tmr_ms() > timeout)
{
res = -4;
goto out_free;
}
if (TSEC(0x1044) != 0xB0B0B0B0)
if (TSEC(TSEC_STATUS) != 0xB0B0B0B0)
{
res = -5;
goto out_free;
@ -210,6 +224,9 @@ int tsec_query(u8 *tsec_keys, u8 kb, tsec_ctxt_t *tsec_ctxt)
k = se[SE_KEYTABLE_DATA0_REG_OFFSET / 4];
key[kidx++] = k;
// Failsafe.
if ((u32)get_tmr_us() - start > 500000)
break;
}
if (kidx != 8)