mirror of
https://github.com/AsahiLinux/m1n1
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de0c0323a5
The ADT lacks some of the info on AOP power domains on t6000, so fill that in manually. Signed-off-by: Martin Povišer <povik@protonmail.com>
212 lines
5.3 KiB
Python
Executable file
212 lines
5.3 KiB
Python
Executable file
#!/usr/bin/env python3
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# SPDX-License-Identifier: MIT
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import sys, pathlib
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import time
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sys.path.append(str(pathlib.Path(__file__).resolve().parents[1]))
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from m1n1.setup import *
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from m1n1.loadobjs import *
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import argparse
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import numpy as np
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argparser = argparse.ArgumentParser()
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argparser.add_argument("-d", "--domain", type=str,
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help='Look for MMIO range associated with a particular'
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' power domain')
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argparser.add_argument("-p", "--print", action='store_true',
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help='Print power domain list')
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args = argparser.parse_args()
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if args.print:
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for dev in u.adt["/arm-io/pmgr"].devices:
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print(dev.name)
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sys.exit(0)
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granule = 0x4000
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lp = LinkedProgram(u)
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lp.load_inline_c(f'''
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#define GRANULE {granule}
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''' + '''
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#include "exception.h"
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#include "utils.h"
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#include "soc.h"
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bool is_t6000(void)
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{
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return chip_id == T6000;
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}
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void sweep(u64 from, u64 to, u64 target)
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{
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u32 *mask = (u32 *) target;
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exc_guard = GUARD_MARK | GUARD_SILENT;
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int bitp = 0;
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for (u64 p = from; p < to; p += GRANULE) {
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sysop("dsb sy");
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sysop("isb");
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bool hit = read32(p) != 0xabad1dea;
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if (hit)
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*mask |= (1 << bitp);
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else
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*mask &= ~(1 << bitp);
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if (++bitp >= 32) {
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bitp = 0;
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mask++;
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}
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}
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sysop("dsb sy");
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sysop("isb");
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}
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''')
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def do_sweep(maskrange):
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masklen = (maskrange.stop - maskrange.start) // granule // 32 * 4 + 4
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mask_base = u.heap.malloc(masklen)
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lp.sweep(maskrange.start, maskrange.stop, mask_base)
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mask = iface.readmem(mask_base, masklen)
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u.heap.free(mask_base)
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return np.frombuffer(mask, dtype=np.uint8)
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def describe_mask(mask, maskrange):
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'''
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Describe mask in terms of hot from-to ranges
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'''
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ranges = []
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prev_hit = False
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mask = np.concatenate((mask, [0]))
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for i in range(len(mask)*8):
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hit = mask[i//8] & (1<<(i%8)) != 0
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if hit and not prev_hit:
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start = maskrange.start + i*granule
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if not hit and prev_hit:
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end = maskrange.start + i*granule
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ranges.append((start, end))
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prev_hit = hit
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return ranges
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if lp.is_t6000():
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maskrange = range(0x2_9000_0000, 0x4_0000_0000)
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else:
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maskrange = range(0x2_2000_0000, 0x3_0000_0000)
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pd_did_enable = set()
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pmgr = u.adt["/arm-io/pmgr"]
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ps_dev_by_id = {dev.id: dev for dev in pmgr.devices}
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ps_deps = dict()
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ps_addrs = dict()
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for dev in pmgr.devices:
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ps = pmgr.ps_regs[dev.psreg]
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addr = pmgr.get_reg(ps.reg)[0] + ps.offset + dev.psidx * 8
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if lp.is_t6000() and dev.name.startswith("AOP_"):
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addr = 0x292284000 + (dev.id - 403) * 8
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ps_addrs[dev.name] = addr
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ps_deps[dev.name] = [
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ps_dev_by_id[idx].name for idx
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in dev.parents if idx in ps_dev_by_id
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]
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if lp.is_t6000():
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# on t6000, guess the AOP PD hierarchy (undocumented
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# in ADT) by analogy with t8103
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ps_deps["AOP_GPIO"] += ["AOP_FILTER"]
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ps_deps["AOP_BASE"] += ["AOP_FILTER"]
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ps_deps["AOP_FR"] += ["AOP_FILTER"]
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ps_deps["AOP_SPMI0"] += ["AOP_FR"]
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ps_deps["AOP_SPMI1"] += ["AOP_FR"]
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ps_deps["AOP_LEAP_CLK"] += ["AOP_FILTER"]
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ps_deps["AOP_SHIM"] += ["AOP_BASE"]
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ps_deps["AOP_UART0"] += ["AOP_SHIM"]
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ps_deps["AOP_UART1"] += ["AOP_SHIM"]
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ps_deps["AOP_UART2"] += ["AOP_SHIM"]
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ps_deps["AOP_SCM"] += ["AOP_BASE", "AOP_FR"]
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ps_deps["AOP_CPU"] += ["AOP_BASE"]
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ps_deps["AOP_I2CM0"] += ["AOP_FR"]
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ps_deps["AOP_I2CM1"] += ["AOP_FR"]
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ps_deps["AOP_MCA0"] += ["AOP_FR", "AOP_SHIM"]
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ps_deps["AOP_MCA1"] += ["AOP_FR", "AOP_SHIM"]
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ps_deps["AOP_SPI0"] += ["AOP_FR"]
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ps_deps["AOP_LEAP"] += ["AOP_LEAP_CLK"]
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ps_deps["AOP_AUDIO_SHIM"] += ["AOP_LEAP_CLK"]
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ps_deps["AOP_AUDIO_ADMA0"] += ["AOP_FR"]
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ps_deps["AOP_PDMC_LPD"] += ["AOP_SHIM"]
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ps_deps["AOP_SRAM"] += ["AOP_SCM", "AOP_CPU"]
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def ps_pstate(name):
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return p.read32(ps_addrs[name]) & 0x0f
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def ps_enabled(name):
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return p.read32(ps_addrs[name]) & 0x0f == 0x0f
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def ps_set_pstate(name, desired):
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p.mask32(ps_addrs[name], 0xf, desired)
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time.sleep(0.001)
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actual = p.read32(ps_addrs[name])
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if actual & 0xf0 != desired << 4:
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print("WARNING: %s stuck at pstate 0x%x (desired 0x%x)" \
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% (name, actual >> 4, desired))
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def ps_enable(name):
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print("Enabling %s..." % name)
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ps_set_pstate(name, 0xf)
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def ps_disable(name):
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p.mask32(ps_addrs[name], 0xf, 0x0)
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if args.domain:
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ps_disable(args.domain)
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to_enable = set([args.domain])
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for dev in reversed(pmgr.devices):
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if dev.name not in to_enable \
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or ps_enabled(dev.name):
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continue
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for dep in ps_deps[dev.name]:
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to_enable.add(dep)
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save = dict()
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for dev in pmgr.devices:
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if dev.name in to_enable:
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save[dev.name] = ps_pstate(dev.name)
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if dev.name != args.domain:
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ps_enable(dev.name)
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premask = do_sweep(maskrange)
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ps_enable(args.domain)
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postmask = do_sweep(maskrange)
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print("Reverting...")
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for dev in reversed(pmgr.devices):
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if dev.name in to_enable and dev.name:
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ps_set_pstate(dev.name, save[dev.name])
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hitmask = premask ^ postmask
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if np.count_nonzero(hitmask & premask):
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print("Que? Some ranges disappeared?")
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else:
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# no --domain flag, do a plain sweep
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hitmask = do_sweep(maskrange)
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al = u.adt.build_addr_lookup()
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for start, stop in describe_mask(hitmask, maskrange):
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# bit ugly but it makes addrlookup do all the heavy lifting for us
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al.add(range(start, stop), "hit")
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print("Hits:")
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for zone, value in al.items():
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if ((zone.start - 1) // granule + 1) * granule >= zone.stop:
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continue
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if not any([v[0] == "hit" for v in value]):
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continue
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labels = set([v[0] for v in value if v[0] != "hit"])
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print(f"\t{zone.start:9x} - {zone.stop:9x} | {' '.join(labels)}")
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