linuxmsm/debugcc
0
0
Fork 0
mirror of https://github.com/linux-msm/debugcc.git synced 2026-02-25 13:12:32 -08:00
Code Issues Packages Projects Releases Wiki Activity

msm8996: add support for CPU clocks

Browse Source 
Measure CPU clusters and CBF clocks.

Signed-off-by: Dmitry Baryshkov <dmitry.baryshkov@linaro.org>
This commit is contained in:
Dmitry Baryshkov
2022-09-23 18:00:32 +03:00
committed by Bjorn Andersson
parent 783b4ffdd2
commit d7efd367f9
1 changed files with 56 additions and 0 deletions
Download Patch File Download Diff File Expand all files Collapse all files

56
msm8996.c
View File

@@ -80,6 +80,47 @@ static struct debug_mux mmss_cc = {
.mux_mask = 0x3ff,
};
/* rudimentary muxes to enable APC debug clocks */
static struct debug_mux apc0_mux = {
.phys = 0x06400000,
.size = 0x1000,
.enable_reg = 0x48,
.enable_mask = 0xf00,
};
static struct debug_mux apc1_mux = {
.phys = 0x06480000,
.size = 0x1000,
.enable_reg = 0x48,
.enable_mask = 0xf00,
};
static void cpu_premeasure(struct debug_mux *mux)
{
mux_enable(&apc0_mux);
mux_enable(&apc1_mux);
};
static void cpu_postmeasure(struct debug_mux *mux)
{
mux_disable(&apc0_mux);
mux_disable(&apc1_mux);
};
static struct debug_mux cpu_cc = {
.phys = 0x09820000,
.size = 0x1000,
.mux_reg = 0x78,
.mux_mask = 0xff << 8,
.mux_shift = 8,
.premeasure = cpu_premeasure,
.postmeasure = cpu_postmeasure,
};
static struct measure_clk msm8996_clocks[] = {
{ "snoc_clk", &gcc, 0x0000 },
{ "gcc_sys_noc_usb3_axi_clk", &gcc, 0x0006 },
@@ -270,6 +311,9 @@ static struct measure_clk msm8996_clocks[] = {
{ "gcc_bimc_gfx_clk", &gcc, 0x00af},
{ "gcc_hmss_rbcpr_clk", &gcc, 0x00ba },
//{ "cpu_dbg_clk", &gcc, 0x00bb },
{ "cpu_cbf_clk", &gcc, 0x00bb, &cpu_cc, 0x01 },
{ "cpu_pwr_clk", &gcc, 0x00bb, &cpu_cc, 0x11, 16 },
{ "cpu_perf_clk", &gcc, 0x00bb, &cpu_cc, 0x21, 16 },
{ "gcc_gp1_clk", &gcc, 0x00e3 },
{ "gcc_gp2_clk", &gcc, 0x00e4 },
{ "gcc_gp3_clk", &gcc, 0x00e5 },
@@ -318,7 +362,19 @@ static struct measure_clk msm8996_clocks[] = {
{}
};
static int msm8996_premap(int devmem)
{
if (mmap_mux(devmem, &apc0_mux))
return -1;
if (mmap_mux(devmem, &apc1_mux))
return -1;
return 0;
}
struct debugcc_platform msm8996_debugcc = {
"msm8996",
msm8996_clocks,
msm8996_premap,
};