[U-Boot] [PATCH 1/2] armv8-fsl-layerscape:Kconfig: Support to RGMII for ls1088aqds

Amrita Kumari amrita.kumari at nxp.com
Wed Apr 26 15:42:24 UTC 2017


Add support RGMII protocol

Freescale's LDPAA2 support RGMII protocol. LS1088A is the
first Soc supporting both RGMII and SGMII.

Signed-off-by: Prabhakar Kushwaha <prabhakar.kushwaha at nxp.com>
Signed-off-by: Amrita Kumari <amrita.kumari at nxp.com>
---
 arch/arm/cpu/armv8/fsl-layerscape/Kconfig          | 14 +++++++++++
 arch/arm/cpu/armv8/fsl-layerscape/cpu.c            |  5 ++++
 .../include/asm/arch-fsl-layerscape/fsl_serdes.h   |  1 +
 .../include/asm/arch-fsl-layerscape/immap_lsch3.h  |  6 +++++
 board/freescale/ls1088a/eth_ls1088aqds.c           |  1 -
 drivers/net/ldpaa_eth/ldpaa_wriop.c                |  9 ++++++++
 drivers/net/ldpaa_eth/ls1088a.c                    | 27 ++++++++++++++++++++++
 include/configs/ls1088a_common.h                   |  1 +
 include/fsl-mc/ldpaa_wriop.h                       |  2 ++
 9 files changed, 65 insertions(+), 1 deletion(-)

diff --git a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
index 8270431..fcde6e2 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
+++ b/arch/arm/cpu/armv8/fsl-layerscape/Kconfig
@@ -72,6 +72,9 @@ config ARCH_LS1088A
 	select SYS_FSL_ERRATUM_A008850
 	select ARCH_EARLY_INIT_R
 	select BOARD_EARLY_INIT_F
+	select SYS_FSL_EC1
+	select SYS_FSL_EC2
+	select SYS_HAS_RGMII
 
 config ARCH_LS2080A
 	bool
@@ -406,6 +409,17 @@ config SYS_FSL_ERRATUM_A009660
 config SYS_FSL_ERRATUM_A009929
 	bool
 
+config SYS_FSL_EC1
+	bool
+
+config SYS_FSL_EC2
+	bool
+
+config SYS_HAS_RGMII
+	bool
+	depends on SYS_FSL_EC1 || SYS_FSL_EC2
+
+
 config SYS_MC_RSV_MEM_ALIGN
 	hex "Management Complex reserved memory alignment"
 	depends on RESV_RAM
diff --git a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
index 33288f9..371bf12 100644
--- a/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
+++ b/arch/arm/cpu/armv8/fsl-layerscape/cpu.c
@@ -28,6 +28,7 @@
 #endif
 #include <fsl_immap.h>
 
+
 DECLARE_GLOBAL_DATA_PTR;
 
 struct mm_region *mem_map = early_map;
@@ -506,6 +507,10 @@ int arch_early_init_r(void)
 			printf("Did not wake secondary cores\n");
 	}
 
+#ifdef CONFIG_SYS_HAS_RGMII
+	fsl_rgmii_init();
+#endif
+
 #ifdef CONFIG_SYS_HAS_SERDES
 	fsl_serdes_init();
 #endif
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
index a2c7578..12fd6b8 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/fsl_serdes.h
@@ -159,6 +159,7 @@ int serdes_get_first_lane(u32 sd, enum srds_prtcl device);
 enum srds_prtcl serdes_get_prtcl(int serdes, int cfg, int lane);
 int is_serdes_prtcl_valid(int serdes, u32 prtcl);
 int serdes_get_number(int serdes, int cfg);
+void fsl_rgmii_init(void);
 
 #ifdef CONFIG_FSL_LSCH2
 const char *serdes_clock_to_string(u32 clock);
diff --git a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
index e181ef2..98fb346 100644
--- a/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
+++ b/arch/arm/include/asm/arch-fsl-layerscape/immap_lsch3.h
@@ -244,6 +244,12 @@ struct ccsr_gur {
 #define FSL_CHASSIS3_SRDS1_REGSR	29
 #define FSL_CHASSIS3_SRDS2_REGSR	29
 #elif defined(CONFIG_ARCH_LS1088A)
+#define FSL_CHASSIS3_EC1_REGSR  26
+#define FSL_CHASSIS3_EC2_REGSR  26
+#define FSL_CHASSIS3_RCWSR25_EC1_PRTCL_MASK     0x00000007
+#define FSL_CHASSIS3_RCWSR25_EC1_PRTCL_SHIFT    0
+#define FSL_CHASSIS3_RCWSR25_EC2_PRTCL_MASK     0x00000038
+#define FSL_CHASSIS3_RCWSR25_EC2_PRTCL_SHIFT    3
 #define	FSL_CHASSIS3_RCWSR29_SRDS1_PRTCL_MASK	0xFFFF0000
 #define	FSL_CHASSIS3_RCWSR29_SRDS1_PRTCL_SHIFT	16
 #define	FSL_CHASSIS3_RCWSR30_SRDS2_PRTCL_MASK	0x0000FFFF
diff --git a/board/freescale/ls1088a/eth_ls1088aqds.c b/board/freescale/ls1088a/eth_ls1088aqds.c
index 3e78ac7..a73896d 100644
--- a/board/freescale/ls1088a/eth_ls1088aqds.c
+++ b/board/freescale/ls1088a/eth_ls1088aqds.c
@@ -597,7 +597,6 @@ int board_eth_init(bd_t *bis)
 
 	/* Register the real MDIO1 bus */
 	fm_memac_mdio_init(bis, memac_mdio0_info);
-
 	/* Register the muxing front-ends to the MDIO buses */
 	ls1088a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_RGMII1);
 	ls1088a_qds_mdio_init(DEFAULT_WRIOP_MDIO1_NAME, EMI1_RGMII2);
diff --git a/drivers/net/ldpaa_eth/ldpaa_wriop.c b/drivers/net/ldpaa_eth/ldpaa_wriop.c
index f7f26c2..831a330 100644
--- a/drivers/net/ldpaa_eth/ldpaa_wriop.c
+++ b/drivers/net/ldpaa_eth/ldpaa_wriop.c
@@ -37,6 +37,15 @@ void wriop_init_dpmac(int sd, int dpmac_id, int lane_prtcl)
 	}
 }
 
+void wriop_init_dpmac_enet_if(int dpmac_id, phy_interface_t enet_if)
+{
+	dpmac_info[dpmac_id].enabled = 1;
+	dpmac_info[dpmac_id].id = dpmac_id;
+	dpmac_info[dpmac_id].phy_addr = -1;
+	dpmac_info[dpmac_id].enet_if = enet_if;
+}
+
+
 /*TODO what it do */
 static int wriop_dpmac_to_index(int dpmac_id)
 {
diff --git a/drivers/net/ldpaa_eth/ls1088a.c b/drivers/net/ldpaa_eth/ls1088a.c
index 703945c..01e8ba4 100644
--- a/drivers/net/ldpaa_eth/ls1088a.c
+++ b/drivers/net/ldpaa_eth/ls1088a.c
@@ -8,6 +8,7 @@
 #include <fsl-mc/ldpaa_wriop.h>
 #include <asm/io.h>
 #include <asm/arch/fsl_serdes.h>
+#include <asm/arch/soc.h>
 
 u32 dpmac_to_devdisr[] = {
 	[WRIOP1_DPMAC1] = FSL_CHASSIS3_DEVDISR2_DPMAC1,
@@ -85,3 +86,29 @@ void wriop_init_dpmac_qsgmii(int sd, int lane_prtcl)
 		break;
 	}
 }
+
+#ifdef CONFIG_SYS_HAS_RGMII
+void fsl_rgmii_init(void)
+{
+	struct ccsr_gur __iomem *gur = (void *)(CONFIG_SYS_FSL_GUTS_ADDR);
+	u32 ec;
+
+#ifdef CONFIG_SYS_FSL_EC1
+	ec = gur_in32(&gur->rcwsr[FSL_CHASSIS3_EC1_REGSR - 1])
+		& FSL_CHASSIS3_RCWSR25_EC1_PRTCL_MASK;
+	ec >>= FSL_CHASSIS3_RCWSR25_EC1_PRTCL_SHIFT;
+
+	if (!ec)
+		wriop_init_dpmac_enet_if(4, PHY_INTERFACE_MODE_RGMII);
+#endif
+
+#ifdef CONFIG_SYS_FSL_EC2
+	ec = gur_in32(&gur->rcwsr[FSL_CHASSIS3_EC2_REGSR - 1])
+		& FSL_CHASSIS3_RCWSR25_EC2_PRTCL_MASK;
+	ec >>= FSL_CHASSIS3_RCWSR25_EC2_PRTCL_SHIFT;
+
+	if (!ec)
+		wriop_init_dpmac_enet_if(5, PHY_INTERFACE_MODE_RGMII);
+#endif
+}
+#endif
diff --git a/include/configs/ls1088a_common.h b/include/configs/ls1088a_common.h
index 5432e4f..35e806e 100644
--- a/include/configs/ls1088a_common.h
+++ b/include/configs/ls1088a_common.h
@@ -21,6 +21,7 @@
 /* We need architecture specific misc initializations */
 #define CONFIG_ARCH_MISC_INIT
 
+
 /* Link Definitions */
 #ifdef CONFIG_QSPI_BOOT
 #define CONFIG_SYS_TEXT_BASE            0x20100000
diff --git a/include/fsl-mc/ldpaa_wriop.h b/include/fsl-mc/ldpaa_wriop.h
index 8ae0fc0..0ca4956 100644
--- a/include/fsl-mc/ldpaa_wriop.h
+++ b/include/fsl-mc/ldpaa_wriop.h
@@ -69,4 +69,6 @@ void wriop_dpmac_disable(int);
 void wriop_dpmac_enable(int);
 phy_interface_t wriop_dpmac_enet_if(int, int);
 void wriop_init_dpmac_qsgmii(int, int);
+void wriop_init_rgmii(void);
+void wriop_init_dpmac_enet_if(int , phy_interface_t);
 #endif	/* __LDPAA_WRIOP_H */
-- 
2.7.4



More information about the U-Boot mailing list