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l4t: disable AHB aperture and pllc war

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We don't need AHB aperture after that point and new deinit fixes the pllc init issue on L4T boot.
This commit is contained in:
CTCaer 2023-02-11 23:25:22 +02:00
parent 080e3e2aa7
commit 361aaf8629
1 changed files with 3 additions and 11 deletions
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14
bootloader/l4t/l4t.c
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@ -719,9 +719,6 @@ static void _l4t_mc_config_carveout(bool t210b01)
static void _l4t_late_hw_config(bool t210b01) static void _l4t_late_hw_config(bool t210b01)
{ {
// Turn on PLLC to default OUT0 frequency to mitigate kernel broken init.
clock_enable_pllc(53); // VCO/OUT0: 508.8 MHz. (VCO is half.)
// Reset System Counters. // Reset System Counters.
for (u32 i = 0; i < SYSCTR0_COUNTERS; i += sizeof(u32)) for (u32 i = 0; i < SYSCTR0_COUNTERS; i += sizeof(u32))
SYSCTR0(SYSCTR0_COUNTERS_BASE + i) = 0; SYSCTR0(SYSCTR0_COUNTERS_BASE + i) = 0;
@ -1045,6 +1042,9 @@ void launch_l4t(const ini_sec_t *ini_sec, int entry_idx, int is_list, bool t210b
// Done loading bootloaders/firmware. // Done loading bootloaders/firmware.
sd_end(); sd_end();
// We don't need AHB aperture open.
mc_disable_ahb_redirect();
// Enable debug port. // Enable debug port.
if (ctxt.serial_port) if (ctxt.serial_port)
{ {
@ -1205,11 +1205,3 @@ void launch_l4t(const ini_sec_t *ini_sec, int entry_idx, int is_list, bool t210b
while (true) while (true)
bpmp_halt(); bpmp_halt();
} }
// t210 t210b01 hoag/aula
// pp1 b0000001 b0000001 b0000001 pcie_port1_lane_map
// pp0 b0010000 b0001000 b0000000 -- pcie_port0_lane_map
// pci b0011111 b0001101 b0001101 - pcie_lane_map
// usb b1100000 b0110010 b0110010 - usb_lane_map
// rpd b0000011 b0000011 b0000011 root_port_mask_dev
// rpp b0000010 b0000010 b0000010 root_port_mask_prod