niklascfw/hekate
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases 1 Wiki Activity

bpmp: Reduce freq to 589MHz

Browse Source 
3 users had issues with 602MHz.
This will probably bring the SoC binning compatibility to 100%.

Additionally, make it easy to change default boost frequency.

The tiny loss in perf, will be mitigated in Nyx. (It's actually even faster)
This commit is contained in:
Kostas Missos
2019-12-07 02:01:29 +02:00
parent bc7dec2e61
commit 0b45a5a11a
8 changed files with 26 additions and 18 deletions
Download Patch File Download Diff File Expand all files Collapse all files

9
bootloader/soc/bpmp.c
View File

@@ -155,10 +155,11 @@ void bpmp_mmu_disable()
const u8 pllc4_divn[] = {
0, // BPMP_CLK_NORMAL: 408MHz 0% - 136MHz APB.
85, // BPMP_CLK_LOW_BOOST: 544MHz 33% - 136MHz APB.
90, // BPMP_CLK_MID_BOOST: 576MHz 41% - 144MHz APB.
94 // BPMP_CLK_SUPER_BOOST: 602MHz 48% - 150MHz APB.
//95 // BPMP_CLK_SUPER_BOOST: 608MHz 49% - 152MHz APB.
85, // BPMP_CLK_HIGH_BOOST: 544MHz 33% - 136MHz APB.
90, // BPMP_CLK_SUPER_BOOST: 576MHz 41% - 144MHz APB.
92 // BPMP_CLK_HYPER_BOOST: 589MHz 44% - 147MHz APB.
// Do not use for public releases!
//95 // BPMP_CLK_DEV_BOOST: 608MHz 49% - 152MHz APB.
};
bpmp_freq_t bpmp_clock_set = BPMP_CLK_NORMAL;

9
bootloader/soc/bpmp.h
View File

@@ -36,12 +36,15 @@ typedef struct _bpmp_mmu_entry_t
typedef enum
{
BPMP_CLK_NORMAL, // 408MHz 0% - 136MHz APB.
BPMP_CLK_LOW_BOOST, // 544MHz 33% - 136MHz APB.
BPMP_CLK_MID_BOOST, // 576MHz 41% - 144MHz APB.
BPMP_CLK_SUPER_BOOST, // 608MHz 49% - 152MHz APB.
BPMP_CLK_HIGH_BOOST, // 544MHz 33% - 136MHz APB.
BPMP_CLK_SUPER_BOOST, // 576MHz 41% - 144MHz APB.
BPMP_CLK_HYPER_BOOST, // 589MHz 44% - 147MHz APB.
//BPMP_CLK_DEV_BOOST, // 608MHz 49% - 152MHz APB.
BPMP_CLK_MAX
} bpmp_freq_t;
#define BPMP_CLK_DEFAULT_BOOST BPMP_CLK_HYPER_BOOST
void bpmp_mmu_maintenance(u32 op, bool force);
void bpmp_mmu_set_entry(int idx, bpmp_mmu_entry_t *entry, bool apply);
void bpmp_mmu_enable();