From: Dinh Nguyen dinguyen@kernel.org
On the Arria10, the EMAC phy mode configuration for each EMACs is located in separate registers versus being in 1 register for the GEN5 devices. The Arria10 also has 3 EMACs compared to 2 for the GEN5 devices.
Update the dwmac_deassert_reset function to support both GEN5 and Arria10 devices.
Signed-off-by: Dinh Nguyen dinguyen@opensource.altera.com --- v2: simplify the implementation a bit --- arch/arm/mach-socfpga/include/mach/system_manager.h | 4 +--- arch/arm/mach-socfpga/misc.c | 14 ++++++++++++++ 2 files changed, 15 insertions(+), 3 deletions(-)
diff --git a/arch/arm/mach-socfpga/include/mach/system_manager.h b/arch/arm/mach-socfpga/include/mach/system_manager.h index 9ca889a..831ba4a 100644 --- a/arch/arm/mach-socfpga/include/mach/system_manager.h +++ b/arch/arm/mach-socfpga/include/mach/system_manager.h @@ -133,9 +133,7 @@ struct socfpga_system_manager { u32 usb0_l3master; u32 usb1_l3master; u32 emac_global; - u32 emac0; - u32 emac1; - u32 emac2; + u32 emac[3]; u32 _pad_0x50_0x5f[4]; u32 fpgaintf_en_global; u32 fpgaintf_en_0; diff --git a/arch/arm/mach-socfpga/misc.c b/arch/arm/mach-socfpga/misc.c index e8bd3cf..5ae1d7d 100644 --- a/arch/arm/mach-socfpga/misc.c +++ b/arch/arm/mach-socfpga/misc.c @@ -22,7 +22,11 @@ #include <asm/arch/scu.h> #include <asm/pl310.h>
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5) #include <dt-bindings/reset/altr,rst-mgr.h> +#else +#include <dt-bindings/reset/altr,rst-mgr-a10.h> +#endif
DECLARE_GLOBAL_DATA_PTR;
@@ -95,15 +99,25 @@ static void dwmac_deassert_reset(const unsigned int of_reset_id) } else if (of_reset_id == EMAC1_RESET) { physhift = SYSMGR_EMACGRP_CTRL_PHYSEL1_LSB; reset = SOCFPGA_RESET(EMAC1); +#ifndef CONFIG_TARGET_SOCFPGA_GEN5 + } else if (of_reset_id == EMAC2_RESET) { + reset = SOCFPGA_RESET(EMAC2); +#endif } else { printf("GMAC: Invalid reset ID (%i)!\n", of_reset_id); return; }
+#if defined(CONFIG_TARGET_SOCFPGA_GEN5) /* configure to PHY interface select choosed */ clrsetbits_le32(&sysmgr_regs->emacgrp_ctrl, SYSMGR_EMACGRP_CTRL_PHYSEL_MASK << physhift, SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII << physhift); +#else + clrsetbits_le32(&sysmgr_regs->emac[of_reset_id - EMAC0_RESET], + SYSMGR_EMACGRP_CTRL_PHYSEL_MASK, + SYSMGR_EMACGRP_CTRL_PHYSEL_ENUM_RGMII); +#endif
/* Release the EMAC controller from reset */ socfpga_per_reset(reset, 0);