Author: zbb Date: Thu May 25 14:19:20 2017 New Revision: 318875 URL: https://svnweb.freebsd.org/changeset/base/318875
Log: Enable SCU Speculative linefills to L2 on Armada 38x Submitted by: Marcin Wojtas <m...@semihalf.com> Obtained from: Semihalf Sponsored by: Stormshield Differential revision: https://reviews.freebsd.org/D10709 Modified: head/sys/arm/mv/armada38x/armada38x.c head/sys/arm/mv/mvreg.h Modified: head/sys/arm/mv/armada38x/armada38x.c ============================================================================== --- head/sys/arm/mv/armada38x/armada38x.c Thu May 25 14:16:43 2017 (r318874) +++ head/sys/arm/mv/armada38x/armada38x.c Thu May 25 14:19:20 2017 (r318875) @@ -173,9 +173,13 @@ armada38x_scu_enable(void) /* Enable SCU */ val = bus_space_read_4(fdtbus_bs_tag, vaddr_scu, MV_SCU_REG_CTRL); - if (!(val & MV_SCU_ENABLE)) + if (!(val & MV_SCU_ENABLE)) { + /* Enable SCU Speculative linefills to L2 */ + val |= MV_SCU_SL_L2_ENABLE; + bus_space_write_4(fdtbus_bs_tag, vaddr_scu, 0, val | MV_SCU_ENABLE); + } bus_space_unmap(fdtbus_bs_tag, vaddr_scu, MV_SCU_REGS_LEN); return (0); Modified: head/sys/arm/mv/mvreg.h ============================================================================== --- head/sys/arm/mv/mvreg.h Thu May 25 14:16:43 2017 (r318874) +++ head/sys/arm/mv/mvreg.h Thu May 25 14:19:20 2017 (r318875) @@ -424,7 +424,8 @@ #define MV_SCU_REGS_LEN 0x100 #define MV_SCU_REG_CTRL 0x00 #define MV_SCU_REG_CONFIG 0x04 -#define MV_SCU_ENABLE 1 +#define MV_SCU_ENABLE (1 << 0) +#define MV_SCU_SL_L2_ENABLE (1 << 3) #define SCU_CFG_REG_NCPU_MASK 0x3 #endif _______________________________________________ svn-src-all@freebsd.org mailing list https://lists.freebsd.org/mailman/listinfo/svn-src-all To unsubscribe, send any mail to "svn-src-all-unsubscr...@freebsd.org"
