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authorYH Lin <yueherngl@google.com>2022-11-30 21:44:08 +0000
committerYH Lin <yueherngl@google.com>2022-11-30 21:44:08 +0000
commitaf25602b15b22b9ef5821dcba9934311f2157c48 (patch)
treed0c89ae8814c2ba35c238c6c0644ec6b1602c63a /chip/ish/ish_dma.h
parent54462f034b635260dd09173b3d082e47fc960ef3 (diff)
parentaa40b859b3a73e5a205bc561c1a29eff38485461 (diff)
downloadchrome-ec-af25602b15b22b9ef5821dcba9934311f2157c48.tar.gz
Merge remote-tracking branch cros/main into factory-brya-14517.B-main
Generated by: util/update_release_branch.py --baseboard brya --relevant_paths_file baseboard/brya/relevant-paths.txt factory-brya-14517.B-main Relevant changes: git log --oneline 54462f034b..aa40b859b3 -- baseboard/brya board/agah board/anahera board/banshee board/brya board/crota board/felwinter board/gimble board/kano board/mithrax board/osiris board/primus board/redrix board/taeko board/taniks board/vell board/volmar driver/bc12/pi3usb9201_public.* driver/charger/bq25710.* driver/ppc/nx20p348x.* driver/ppc/syv682x_public.* driver/retimer/bb_retimer_public.* driver/tcpm/nct38xx.* driver/tcpm/ps8xxx_public.* driver/tcpm/tcpci.* include/power/alderlake* include/intel_x86.h power/alderlake* power/intel_x86.c util/getversion.sh e6da633c38 driver: Sort header files 234a87ae2d tcpci: Add FRS enable to driver structure a56be59ccd tcpm_header: add test for tcpm_dump_registers 57b3256963 Rename CONFIG_CHARGER_INPUT_CURRENT to _CHARGER_DEFAULT_CURRENT_LIMIT e420c8ff9a marasov: Modify TypeC and TypeA configuration. 43b53e0045 Add default implementation of board_set_charge_limit b75dc90677 Add CONFIG_CHARGER_MIN_INPUT_CURRENT_LIMIT f1b563c350 baseboard: Sort header files 7d01b1e58d driver/retimer/ps8818.h: Add I2C ADDR FLAGS 0x30, 0x58, 0x70 ec31407993 Add CONFIG_CHARGER_INPUT_CURRENT_DERATE_PCT 8f89f69a5b crota: disable lid angle sensor for clamshell BRANCH=None BUG=b:259002141 b:255184961 b:247100970 b:259354679 b:260630630 BUG=b:163093572 b:254328661 TEST=`emerge-brya chromeos-ec` Force-Relevant-Builds: all Change-Id: Ia85a701fbf6b8e67ec214b9e25e0e55e980a6f47 Signed-off-by: YH Lin <yueherngl@google.com>
Diffstat (limited to 'chip/ish/ish_dma.h')
-rw-r--r--chip/ish/ish_dma.h41
1 files changed, 41 insertions, 0 deletions
diff --git a/chip/ish/ish_dma.h b/chip/ish/ish_dma.h
index fb9c4f4f06..89d6cb7342 100644
--- a/chip/ish/ish_dma.h
+++ b/chip/ish/ish_dma.h
@@ -27,6 +27,47 @@
#define PAGE_SIZE 4096
+static inline uint32_t interrupt_lock(void)
+{
+ uint32_t eflags = 0;
+
+ __asm__ volatile("pushfl;" /* save eflag value */
+ "popl %0;"
+ "cli;"
+ : "=r"(eflags)); /* shut off interrupts */
+ return eflags;
+}
+
+static inline void interrupt_unlock(uint32_t eflags)
+{
+ __asm__ volatile("pushl %0;" /* restore elfag values */
+ "popfl;"
+ :
+ : "r"(eflags));
+}
+
+static inline int dma_poll(uint32_t addr, uint32_t expected, uint32_t mask)
+{
+ int retval = -1;
+ uint32_t counter = 0;
+
+ /*
+ * The timeout is approximately 2.2 seconds according to
+ * value of UINT32_MAX, 120MHZ ISH clock frequency and
+ * instruction count which is around 4.
+ */
+ while (counter < (UINT32_MAX / 64)) {
+ /* test condition */
+ if ((REG32(addr) & mask) == expected) {
+ retval = DMA_RC_OK;
+ break;
+ }
+ counter++;
+ }
+
+ return retval;
+}
+
/**
* SRAM: ISH local static ram
* UMA: Protected system DRAM region dedicated for ISH