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From: Ran Wang <ran.wang_1@nxp.com>
To: u-boot@lists.denx.de
Subject: [PATCH] armv8: ls1012a: Make USB masters snoopable
Date: Thu, 26 Dec 2019 18:11:17 +0800	[thread overview]
Message-ID: <20191226101117.24734-1-ran.wang_1@nxp.com> (raw)

Program register bit of SCFG_SNPCNFGCR_USBRDSNP and
SCFG_SNPCNFGCR_USBWRSNP to drive USB read/write
snoop signal on LS1012A.

Signed-off-by: Ran Wang <ran.wang_1@nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/soc.c | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/soc.c b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
index ac75c58..e5090d2 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/soc.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/soc.c
@@ -645,6 +645,11 @@ void fsl_lsch2_early_init_f(void)
 			SCFG_SNPCNFGCR_USB2WRSNP | SCFG_SNPCNFGCR_USB3RDSNP |
 			SCFG_SNPCNFGCR_USB3WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
 			SCFG_SNPCNFGCR_SATAWRSNP);
+#elif defined(CONFIG_ARCH_LS1012A)
+	setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
+			SCFG_SNPCNFGCR_SECWRSNP | SCFG_SNPCNFGCR_USB1RDSNP |
+			SCFG_SNPCNFGCR_USB1WRSNP | SCFG_SNPCNFGCR_SATARDSNP |
+			SCFG_SNPCNFGCR_SATAWRSNP);
 #else
 	setbits_be32(&scfg->snpcnfgcr, SCFG_SNPCNFGCR_SECRDSNP |
 		     SCFG_SNPCNFGCR_SECWRSNP |
-- 
2.7.4

             reply	other threads:[~2019-12-26 10:11 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2019-12-26 10:11 Ran Wang [this message]
2020-01-27  5:53 ` [PATCH] armv8: ls1012a: Make USB masters snoopable Priyanka Jain

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