fix(cpus): workaround for Neoverse N2 erratum 2009478
Neoverse N2 erratum 2009478 is a Cat B erratum that applies to
revision r0p0 and is fixed in r0p1. The workaround is to clear
the ED bit for all core error records before setting the PWRDN_EN
bit in CPUPWRCTLR_EL1 to request a power down.
SDEN documentation:
https://developer.arm.com/documentation/SDEN1982442/latest
Signed-off-by: Bipin Ravi <bipin.ravi@arm.com>
Change-Id: Ic5ef58c9e795b90026af1d2b09edc0eea3ceee51
diff --git a/services/std_svc/errata_abi/errata_abi_main.c b/services/std_svc/errata_abi/errata_abi_main.c
index 71a907b..5593516 100644
--- a/services/std_svc/errata_abi/errata_abi_main.c
+++ b/services/std_svc/errata_abi/errata_abi_main.c
@@ -332,24 +332,25 @@
.cpu_partnumber = NEOVERSE_N2_MIDR,
.cpu_errata_list = {
[0] = {2002655, 0x00, 0x00, ERRATA_N2_2002655},
- [1] = {2025414, 0x00, 0x00, ERRATA_N2_2025414},
- [2] = {2067956, 0x00, 0x00, ERRATA_N2_2067956},
- [3] = {2138953, 0x00, 0x00, ERRATA_N2_2138953},
- [4] = {2138956, 0x00, 0x00, ERRATA_N2_2138956},
- [5] = {2138958, 0x00, 0x00, ERRATA_N2_2138958},
- [6] = {2189731, 0x00, 0x00, ERRATA_N2_2189731},
- [7] = {2242400, 0x00, 0x00, ERRATA_N2_2242400},
- [8] = {2242415, 0x00, 0x00, ERRATA_N2_2242415},
- [9] = {2280757, 0x00, 0x00, ERRATA_N2_2280757},
- [10] = {2326639, 0x00, 0x00, ERRATA_N2_2326639},
- [11] = {2376738, 0x00, 0x00, ERRATA_N2_2376738},
- [12] = {2388450, 0x00, 0x00, ERRATA_N2_2388450},
- [13] = {2728475, 0x00, 0x02, ERRATA_N2_2728475, \
+ [1] = {2009478, 0x00, 0x00, ERRATA_N2_2009478},
+ [2] = {2025414, 0x00, 0x00, ERRATA_N2_2025414},
+ [3] = {2067956, 0x00, 0x00, ERRATA_N2_2067956},
+ [4] = {2138953, 0x00, 0x00, ERRATA_N2_2138953},
+ [5] = {2138956, 0x00, 0x00, ERRATA_N2_2138956},
+ [6] = {2138958, 0x00, 0x00, ERRATA_N2_2138958},
+ [7] = {2189731, 0x00, 0x00, ERRATA_N2_2189731},
+ [8] = {2242400, 0x00, 0x00, ERRATA_N2_2242400},
+ [9] = {2242415, 0x00, 0x00, ERRATA_N2_2242415},
+ [10] = {2280757, 0x00, 0x00, ERRATA_N2_2280757},
+ [11] = {2326639, 0x00, 0x00, ERRATA_N2_2326639},
+ [12] = {2376738, 0x00, 0x00, ERRATA_N2_2376738},
+ [13] = {2388450, 0x00, 0x00, ERRATA_N2_2388450},
+ [14] = {2728475, 0x00, 0x02, ERRATA_N2_2728475, \
ERRATA_NON_ARM_INTERCONNECT},
- [14] = {2743014, 0x00, 0x02, ERRATA_N2_2743014},
- [15] = {2743089, 0x00, 0x02, ERRATA_N2_2743089},
- [16] = {2779511, 0x00, 0x02, ERRATA_N2_2779511},
- [17 ... ERRATA_LIST_END] = UNDEF_ERRATA,
+ [15] = {2743014, 0x00, 0x02, ERRATA_N2_2743014},
+ [16] = {2743089, 0x00, 0x02, ERRATA_N2_2743089},
+ [17] = {2779511, 0x00, 0x02, ERRATA_N2_2779511},
+ [18 ... ERRATA_LIST_END] = UNDEF_ERRATA,
}
},
#endif /* NEOVERSE_N2_H_INC */