From mboxrd@z Thu Jan 1 00:00:00 1970 From: =?UTF-8?Q?Horia_Geant=c4=83?= Date: Thu, 15 Oct 2015 13:13:51 +0300 Subject: [U-Boot] [PATCH] arm: ls102xa: enable snooping for CAAM transactions In-Reply-To: <561EC0F8.8070303@freescale.com> References: <1442398946-32464-1-git-send-email-horia.geanta@freescale.com> <561EC0F8.8070303@freescale.com> Message-ID: <561F7C5F.7070707@freescale.com> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On 10/14/2015 11:54 PM, York Sun wrote: > > > On 09/16/2015 03:22 AM, Horia Geant? wrote: >> Enable snooping for CAAM read & write transactions by >> programming the SCFG snoop configuration register: >> SCFG_SNPCNFGCR[SECRDSNP] >> SCFG_SNPCNFGCR[SECWRSNP] >> >> Signed-off-by: Horia Geant? >> Reviewed-by: Zhengxiong Jin > > The Reviewed-by signature should be added by reviewer or maintainer. It was added by Jason during an internal review. Sorry for not adding him in Cc. >> --- >> arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h | 1 + >> board/freescale/ls1021aqds/ls1021aqds.c | 2 ++ >> board/freescale/ls1021atwr/ls1021atwr.c | 2 ++ >> 3 files changed, 5 insertions(+) >> >> diff --git a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h >> index 60aa0d3b6f43..fbd06bafce31 100644 >> --- a/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h >> +++ b/arch/arm/include/asm/arch-ls102xa/immap_ls102xa.h >> @@ -144,6 +144,7 @@ struct ccsr_gur { >> }; >> >> #define SCFG_ETSECDMAMCR_LE_BD_FR 0x00000c00 >> +#define SCFG_SNPCNFGCR_SEC_RD_WR 0xc0000000 >> #define SCFG_ETSECCMCR_GE2_CLK125 0x04000000 >> #define SCFG_ETSECCMCR_GE0_CLK125 0x00000000 >> #define SCFG_ETSECCMCR_GE1_CLK125 0x08000000 >> diff --git a/board/freescale/ls1021aqds/ls1021aqds.c b/board/freescale/ls1021aqds/ls1021aqds.c >> index 655fc644fe90..e7c25a5012f0 100644 >> --- a/board/freescale/ls1021aqds/ls1021aqds.c >> +++ b/board/freescale/ls1021aqds/ls1021aqds.c >> @@ -281,6 +281,8 @@ int board_early_init_f(void) >> struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; >> unsigned int major; >> >> + setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR); >> + >> #ifdef CONFIG_TSEC_ENET >> /* clear BD & FR bits for BE BD's and frame data */ >> clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); >> diff --git a/board/freescale/ls1021atwr/ls1021atwr.c b/board/freescale/ls1021atwr/ls1021atwr.c >> index 228dbf81bb25..e15999e42165 100644 >> --- a/board/freescale/ls1021atwr/ls1021atwr.c >> +++ b/board/freescale/ls1021atwr/ls1021atwr.c >> @@ -482,6 +482,8 @@ int board_early_init_f(void) >> struct ccsr_cci400 *cci = (struct ccsr_cci400 *)CONFIG_SYS_CCI400_ADDR; >> unsigned int major; >> >> + setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SEC_RD_WR); >> + >> #ifdef CONFIG_TSEC_ENET >> /* clear BD & FR bits for BE BD's and frame data */ >> clrbits_be32(&scfg->etsecdmamcr, SCFG_ETSECDMAMCR_LE_BD_FR); >> > > Why wasn't the change put into arch_cpu_init? Good point. I'll make the update in v2. Thanks, Horia