278 lines
11 KiB
C
278 lines
11 KiB
C
/*
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* $Id$
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*
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* ADM5120 ethernet switch definitions
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*
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* This header file defines the hardware registers of the ADM5120 SoC
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* built-in Ethernet switch.
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*
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* Copyright (C) 2007 OpenWrt.org
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* Copyright (C) 2007 Gabor Juhos <juhosg at openwrt.org>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation; either version 2
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* of the License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the
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* Free Software Foundation, Inc., 51 Franklin Street, Fifth Floor,
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* Boston, MA 02110-1301, USA.
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*/
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#ifndef _ADM5120_SWITCH_H_
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#define _ADM5120_SWITCH_H_
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#define BIT(at) (1 << (at))
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#define BITMASK(len) ((1 << (len))-1)
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#define SW_READ_REG(r) __raw_readl( \
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(void __iomem *)KSEG1ADDR(ADM5120_SWITCH_BASE) + SWITCH_REG_ ## r)
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#define SW_WRITE_REG(r, v) __raw_writel((v), \
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(void __iomem *)KSEG1ADDR(ADM5120_SWITCH_BASE) + SWITCH_REG_ ## r)
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/* Switch register offsets */
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#define SWITCH_REG_CODE 0x0000
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#define SWITCH_REG_SOFT_RESET 0x0004 /* Soft Reset */
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#define SWITCH_REG_BOOT_DONE 0x0008 /* Boot Done */
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#define SWITCH_REG_SW_RESET 0x000C /* Switch Reset */
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#define SWITCH_REG_PHY_STATUS 0x0014 /* PHY Status */
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#define SWITCH_REG_MEMCTRL 0x001C /* Memory Control */
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#define SWITCH_REG_CPUP_CONF 0x0024 /* CPU Port Configuration */
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#define SWITCH_REG_PORT_CONF0 0x0028 /* Port Configuration 0 */
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#define SWITCH_REG_PORT_CONF1 0x002C /* Port Configuration 1 */
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#define SWITCH_REG_PORT_CONF2 0x0030 /* Port Configuration 2 */
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#define SWITCH_REG_VLAN_G1 0x0040 /* VLAN group 1 */
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#define SWITCH_REG_VLAN_G2 0x0044 /* VLAN group 2 */
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#define SWITCH_REG_SEND_TRIG 0x0048 /* Send Trigger */
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#define SWITCH_REG_MAC_WT0 0x0058 /* MAC Write Address 0 */
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#define SWITCH_REG_MAC_WT1 0x005C /* MAC Write Address 1 */
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#define SWITCH_REG_BW_CNTL0 0x0060 /* Bandwidth Control 0 */
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#define SWITCH_REG_BW_CNTL1 0x0064 /* Bandwidth Control 1 */
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#define SWITCH_REG_PHY_CNTL0 0x0068 /* PHY Control 0 */
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#define SWITCH_REG_PHY_CNTL1 0x006C /* PHY Control 1 */
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#define SWITCH_REG_PORT_TH 0x0078 /* Port Threshold */
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#define SWITCH_REG_PHY_CNTL2 0x007C /* PHY Control 2 */
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#define SWITCH_REG_PHY_CNTL3 0x0080 /* PHY Control 3 */
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#define SWITCH_REG_PRI_CNTL 0x0084 /* Priority Control */
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#define SWITCH_REG_PHY_CNTL4 0x00A0 /* PHY Control 4 */
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#define SWITCH_REG_EMPTY_CNT 0x00A4 /* Empty Count */
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#define SWITCH_REG_PORT_CNTLS 0x00A8 /* Port Control Select */
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#define SWITCH_REG_PORT_CNTL 0x00AC /* Port Control */
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#define SWITCH_REG_INT_STATUS 0x00B0 /* Interrupt Status */
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#define SWITCH_REG_INT_MASK 0x00B4 /* Interrupt Mask */
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#define SWITCH_REG_GPIO_CONF0 0x00B8 /* GPIO Configuration 0 */
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#define SWITCH_REG_GPIO_CONF2 0x00BC /* GPIO Configuration 1 */
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#define SWITCH_REG_WDOG0 0x00C0 /* Watchdog 0 */
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#define SWITCH_REG_WDOG1 0x00C4 /* Watchdog 1 */
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#define SWITCH_REG_SHDA 0x00D0 /* Send High Descriptors Address */
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#define SWITCH_REG_SLDA 0x00D4 /* Send Low Descriptors Address */
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#define SWITCH_REG_RHDA 0x00D8 /* Receive High Descriptor Address */
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#define SWITCH_REG_RLDA 0x00DC /* Receive Low Descriptor Address */
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#define SWITCH_REG_SHWA 0x00E0 /* Send High Working Address */
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#define SWITCH_REG_SLWA 0x00E4 /* Send Low Working Address */
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#define SWITCH_REG_RHWA 0x00E8 /* Receive High Working Address */
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#define SWITCH_REG_RLWA 0x00EC /* Receive Low Working Address */
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#define SWITCH_REG_TIMER_INT 0x00F0 /* Timer */
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#define SWITCH_REG_TIMER 0x00F4 /* Timer Interrupt */
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#define SWITCH_REG_PORT0_LED 0x0100
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#define SWITCH_REG_PORT1_LED 0x0104
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#define SWITCH_REG_PORT2_LED 0x0108
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#define SWITCH_REG_PORT3_LED 0x010C
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#define SWITCH_REG_PORT4_LED 0x0110
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/* CODE register bits */
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#define CODE_PC_MASK BITMASK(16) /* Product Code */
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#define CODE_REV_SHIFT 16
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#define CODE_REV_MASK BITMASK(4) /* Product Revision */
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#define CODE_CLKS_SHIFT 20
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#define CODE_CLKS_MASK BITMASK(2) /* Clock Speed */
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#define CODE_CLKS_175 0 /* 175 MHz */
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#define CODE_CLKS_200 1 /* 200 MHz */
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#define CODE_CLKS_225 2 /* 225 MHz */
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#define CODE_CLKS_250 3 /* 250 MHz */
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#define CODE_NAB BIT(24) /* NAND boot */
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#define CODE_PK_MASK BITMASK(1) /* Package type */
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#define CODE_PK_SHIFT 29
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#define CODE_PK_BGA 0 /* BGA package */
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#define CODE_PK_PQFP 1 /* PQFP package */
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/* MEMCTRL register bits */
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#define MEMCTRL_SDRS_MASK BITMASK(3) /* SDRAM bank size */
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#define MEMCTRL_SDRS_4M 0x01
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#define MEMCTRL_SDRS_8M 0x02
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#define MEMCTRL_SDRS_16M 0x03
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#define MEMCTRL_SDRS_64M 0x04
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#define MEMCTRL_SDRS_128M 0x05
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#define MEMCTRL_SDR1_ENABLE BIT(5) /* enable SDRAM bank 1 */
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#define MEMCTRL_SRS0_SHIFT 8 /* shift for SRAM0 size */
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#define MEMCTRL_SRS1_SHIFT 16 /* shift for SRAM1 size */
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#define MEMCTRL_SRS_MASK BITMASK(3) /* SRAM size mask */
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#define MEMCTRL_SRS_DISABLED 0x00 /* Disabled */
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#define MEMCTRL_SRS_512K 0x01 /* 512KB*/
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#define MEMCTRL_SRS_1M 0x02 /* 1MB */
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#define MEMCTRL_SRS_2M 0x03 /* 2MB */
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#define MEMCTRL_SRS_4M 0x04 /* 4MB */
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/* Port bits used in various registers */
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#define SWITCH_PORT_PHY0 BIT(0)
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#define SWITCH_PORT_PHY1 BIT(1)
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#define SWITCH_PORT_PHY2 BIT(2)
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#define SWITCH_PORT_PHY3 BIT(3)
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#define SWITCH_PORT_PHY4 BIT(4)
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#define SWITCH_PORT_MII BIT(5)
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#define SWITCH_PORT_CPU BIT(6)
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/* Port bit shorthands */
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#define SWITCH_PORTS_PHY 0x1F /* phy ports */
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#define SWITCH_PORTS_NOCPU 0x3F /* physical ports */
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#define SWITCH_PORTS_ALL 0x7F /* all ports */
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/* CPUP_CONF register bits */
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#define CPUP_CONF_DCPUP BIT(0) /* Disable CPU port */
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#define CPUP_CONF_CRCP BIT(1) /* CRC padding from CPU */
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#define CPUP_CONF_BTM BIT(2) /* Bridge Testing Mode */
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/* PORT_CONF0 register bits */
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#define PORT_CONF0_DP_SHIFT 0 /* Disable Port */
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#define PORT_CONF0_EMCP_SHIFT 8 /* Enable All MC Packets */
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#define PORT_CONF0_BP_SHIFT 16 /* Enable Back Pressure */
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/* PORT_CONF1 register bits */
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#define PORT_CONF1_DISL_SHIFT 0 /* Disable Learning */
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#define PORT_CONF1_BS_SHIFT 6 /* Blocking State */
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#define PORT_CONF1_BM_SHIFT 12 /* Blocking Mode */
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/* SEND_TRIG register bits */
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#define SEND_TRIG_STL BIT(0) /* Send Trigger Low */
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#define SEND_TRIG_STH BIT(1) /* Send Trigger High */
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/* BW_CNTL0/BW_CNTL1 register bits */
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#define BW_CNTL_DISABLE 0x00
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#define BW_CNTL_64K 0x01
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#define BW_CNTL_128K 0x02
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#define BW_CNTL_256K 0x03
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#define BW_CNTL_512K 0x04
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#define BW_CNTL_1M 0x05
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#define BW_CNTL_4M 0x06
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#define BW_CNTL_10M 0x07
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#define P4TBC_SHIFT 0
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#define P4RBC_SHIFT 4
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#define P5TBC_SHIFT 8
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#define P5RBC_SHIFT 12
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/* PHY_CNTL0 register bits */
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#define PHY_CNTL0_PHYA_MASK BITMASK(5)
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#define PHY_CNTL0_PHYR_MASK BITMASK(5)
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#define PHY_CNTL0_PHYR_SHIFT 8
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#define PHY_CNTL0_WC BIT(13) /* Write Command */
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#define PHY_CNTL0_RC BIT(14) /* Read Command */
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#define PHY_CNTL0_WTD_MASK BIT(16) /* Read Command */
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#define PHY_CNTL0_WTD_SHIFT 16
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/* PHY_CNTL1 register bits */
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#define PHY_CNTL1_WOD BIT(0) /* Write Operation Done */
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#define PHY_CNTL1_ROD BIT(1) /* Read Operation Done */
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#define PHY_CNTL1_RD_MASK BITMASK(16)
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#define PHY_CNTL1_RD_SHIFT 16
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/* PHY_CNTL2 register bits */
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#define PHY_CNTL2_ANE_SHIFT 0 /* Auto Negotiation Enable */
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#define PHY_CNTL2_SC_SHIFT 5 /* Speed Control */
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#define PHY_CNTL2_DC_SHIFT 10 /* Duplex Control */
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#define PHY_CNTL2_FNCV_SHIFT 15 /* Recommended FC Value */
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#define PHY_CNTL2_PHYR_SHIFT 20 /* PHY reset */
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#define PHY_CNTL2_AMDIX_SHIFT 25 /* Auto MDIX enable */
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/* PHY_CNTL2_RMAE is bad in datasheet */
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#define PHY_CNTL2_RMAE BIT(31) /* Recommended MCC Average enable */
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/* PORT_TH register bits */
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#define PORT_TH_PPT_MASK BITMASK(8) /* Per Port Threshold */
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#define PORT_TH_CPUT_SHIFT 8 /* CPU Port Buffer Threshold */
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#define PORT_TH_CPUT_MASK BITMASK(8)
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#define PORT_TH_CPUHT_SHIFT 16 /* CPU Hold Threshold */
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#define PORT_TH_CPUHT_MASK BITMASK(8)
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#define PORT_TH_CPURT_SHIFT 24 /* CPU Release Threshold */
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#define PORT_TH_CPURT_MASK BITMASK(8)
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/* EMPTY_CNT register bits */
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#define EMPTY_CNT_EBGB_MASK BITMASK(9) /* Empty Blocks in the Global Buffer */
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/* GPIO_CONF0 register bits */
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#define GPIO_CONF0_MASK BITMASK(8)
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#define GPIO_CONF0_IM_SHIFT 0
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#define GPIO_CONF0_IV_SHIFT 8
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#define GPIO_CONF0_OE_SHIFT 16
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#define GPIO_CONF0_OV_SHIFT 24
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#define GPIO_CONF0_IM_MASK (0xFF << GPIO_CONF0_IM_SHIFT)
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#define GPIO_CONF0_IV_MASK (0xFF << GPIO_CONF0_IV_SHIFT)
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#define GPIO_CONF0_OE_MASK (0xFF << GPIO_CONF0_OE_SHIFT)
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#define GPIO_CONF0_OV_MASK (0xFF << GPIO_CONF0_OV_SHIFT)
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/* INT_STATUS/INT_MASK register bits */
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#define SWITCH_INT_SHD BIT(0) /* Send High Done */
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#define SWITCH_INT_SLD BIT(1) /* Send Low Done */
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#define SWITCH_INT_RHD BIT(2) /* Receive High Done */
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#define SWITCH_INT_RLD BIT(3) /* Receive Low Done */
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#define SWITCH_INT_HDF BIT(4) /* High Descriptor Full */
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#define SWITCH_INT_LDF BIT(5) /* Low Descriptor Full */
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#define SWITCH_INT_P0QF BIT(6) /* Port0 Queue Full */
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#define SWITCH_INT_P1QF BIT(7) /* Port1 Queue Full */
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#define SWITCH_INT_P2QF BIT(8) /* Port2 Queue Full */
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#define SWITCH_INT_P3QF BIT(9) /* Port3 Queue Full */
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#define SWITCH_INT_P4QF BIT(10) /* Port4 Queue Full */
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#define SWITCH_INT_P5QF BIT(11) /* Port5 Queue Full */
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#define SWITCH_INT_CPQF BIT(13) /* CPU Queue Full */
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#define SWITCH_INT_GQF BIT(14) /* Global Queue Full */
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#define SWITCH_INT_MD BIT(15) /* Must Drop */
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#define SWITCH_INT_BCS BIT(16) /* BC Storm */
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#define SWITCH_INT_PSC BIT(18) /* Port Status Change */
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#define SWITCH_INT_ID BIT(19) /* Intruder Detected */
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#define SWITCH_INT_W0TE BIT(20) /* Watchdog 0 Timer Expired */
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#define SWITCH_INT_W1TE BIT(21) /* Watchdog 1 Timer Expired */
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#define SWITCH_INT_RDE BIT(22) /* Receive Descriptor Error */
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#define SWITCH_INT_SDE BIT(23) /* Send Descriptor Error */
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#define SWITCH_INT_CPUH BIT(24) /* CPU Hold */
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/* TIMER_INT register bits */
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#define TIMER_INT_TOS BIT(0) /* time-out status */
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#define TIMER_INT_TOM BIT(16) /* mask time-out interrupt */
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/* TIMER register bits */
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#define TIMER_PERIOD_MASK BITMASK(16) /* mask for timer period */
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#define TIMER_PERIOD_DEFAULT 0xFFFF /* default timer period */
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#define TIMER_TE BIT(16) /* timer enable bit */
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/* PORTx_LED register bits */
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#define LED_MODE_MASK BITMASK(4)
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#define LED_MODE_INPUT 0
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#define LED_MODE_FLASH 1
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#define LED_MODE_OUT_HIGH 2
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#define LED_MODE_OUT_LOW 3
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#define LED_MODE_LINK 4
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#define LED_MODE_SPEED 5
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#define LED_MODE_DUPLEX 6
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#define LED_MODE_ACT 7
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#define LED_MODE_COLL 8
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#define LED_MODE_LINK_ACT 9
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#define LED_MODE_DUPLEX_COLL 10
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#define LED_MODE_10M_ACT 11
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#define LED_MODE_100M_ACT 12
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#define LED0_MODE_SHIFT 0 /* LED0 mode shift */
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#define LED1_MODE_SHIFT 4 /* LED1 mode shift */
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#define LED2_MODE_SHIFT 8 /* LED2 mode shift */
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#define LED0_IV_SHIFT 12 /* LED0 input value shift */
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#define LED1_IV_SHIFT 13 /* LED1 input value shift */
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#define LED2_IV_SHIFT 14 /* LED2 input value shift */
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#endif /* _ADM5120_SWITCH_H_ */
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