| Message ID | 1426131115-43083-1-git-send-email-b18965@freescale.com |
|---|---|
| State | Not Applicable |
| Delegated to: | York Sun |
| Headers | show |
> -----Original Message----- > From: U-Boot [mailto:u-boot-bounces@lists.denx.de] On Behalf Of Alison > Wang > Sent: Thursday, March 12, 2015 9:02 AM > To: Sun York-R58495; u-boot@lists.denx.de; Jin Zhengxiong-R64188 > Subject: [U-Boot] [PATCH v2 2/2] arm: ls102xa: Enable regulation of > outstanding read transactions for slave interface S2 > Patch subject is too long. Please try to make it <= 78 charecters. > This patch will enable regulation of outstanding read transactions for slave > interface S2 for silicon VER1.0. > It is already a patch. So please avoid " This patch" --prabhakar
diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h index a8122c1..1766f88 100644 --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h @@ -499,6 +499,8 @@ struct ccsr_ddr { #define CCI400_SHAORD_NON_SHAREABLE 0x00000002 #define CCI400_DVM_MESSAGE_REQ_EN 0x00000002 #define CCI400_SNOOP_REQ_EN 0x00000001 +#define CCI400_REGULATION_READ_EN 0x00000008 +#define CCI400_INT_MAX_OUT_TRANS 0x01000000 /* CCI-400 registers */ struct ccsr_cci400 { diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c index 69a5671..b7d1c90 100644 --- a/board/freescale/ls1021aqds/ls1021aqds.c +++ b/board/freescale/ls1021aqds/ls1021aqds.c @@ -225,6 +225,13 @@ int board_early_init_f(void) */ out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + /* + * To fix interleaving issue on VER1.0, regulation of + * outstanding read transactions for slave interface S2 + * is enabled + */ + out_le32(&cci->slave[2].qos_ctrl, CCI400_REGULATION_READ_EN); + out_le32(&cci->slave[2].max_ot, CCI400_INT_MAX_OUT_TRANS); /* Workaround for the issue that DDR could not respond to * barrier transaction which is generated by executing DSB/ISB diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c index a9c87f2..bba3073 100644 --- a/board/freescale/ls1021atwr/ls1021atwr.c +++ b/board/freescale/ls1021atwr/ls1021atwr.c @@ -309,6 +309,13 @@ int board_early_init_f(void) */ out_le32(&cci->slave[1].sha_ord, CCI400_SHAORD_NON_SHAREABLE); out_le32(&cci->slave[2].sha_ord, CCI400_SHAORD_NON_SHAREABLE); + /* + * To fix interleaving issue on VER1.0, regulation of + * outstanding read transactions for slave interface S2 + * is enabled + */ + out_le32(&cci->slave[2].qos_ctrl, CCI400_REGULATION_READ_EN); + out_le32(&cci->slave[2].max_ot, CCI400_INT_MAX_OUT_TRANS); } return 0;
This patch will enable regulation of outstanding read transactions for slave interface S2 for silicon VER1.0. Signed-off-by: Alison Wang <alison.wang@freescale.com> --- Changes in v2: - Modify the subject and commit to describe accurately arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 2 ++ board/freescale/ls1021aqds/ls1021aqds.c | 7 +++++++ board/freescale/ls1021atwr/ls1021atwr.c | 7 +++++++ 3 files changed, 16 insertions(+)