1432 lines
52 KiB
C
1432 lines
52 KiB
C
/*
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Copyright 2000-2010 Broadcom Corporation
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<:label-BRCM:2011:DUAL/GPL:standard
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Unless you and Broadcom execute a separate written software license
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agreement governing use of this software, this software is licensed
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to you under the terms of the GNU General Public License version 2
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(the "GPL"), available at http://www.broadcom.com/licenses/GPLv2.php,
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with the following added to such license:
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As a special exception, the copyright holders of this software give
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you permission to link this software with independent modules, and
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to copy and distribute the resulting executable under terms of your
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choice, provided that you also meet, for each linked independent
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module, the terms and conditions of the license of that module.
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An independent module is a module which is not derived from this
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software. The special exception does not apply to any modifications
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of the software.
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Not withstanding the above, under no circumstances may you combine
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this software in any way with any other Broadcom software provided
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under a license other than the GPL, without Broadcom's express prior
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written consent.
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:>
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*/
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#ifndef __BCM6328_MAP_PART_H
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#define __BCM6328_MAP_PART_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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#ifndef __BCM6328_MAP_H
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#define __BCM6328_MAP_H
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#include "bcmtypes.h"
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#define PERF_BASE 0xb0000000 /* chip control registers */
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#define TIMR_BASE 0xb0000040 /* timer registers */
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#define GPIO_BASE 0xb0000080 /* gpio registers */
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#define UART_BASE 0xb0000100 /* uart registers */
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#define UART1_BASE 0xb0000120 /* uart registers */
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#define NAND_REG_BASE 0xb0000200 /* NAND registers */
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#define NAND_CACHE_BASE 0xb0000400
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#define LED_BASE 0xb0000800 /* LED control registers */
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#define HSSPIM_BASE 0xb0001000 /* High-Speed SPI registers */
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#define MISC_BASE 0xb0001800 /* Miscellaneous Registers */
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#define USB_CTL_BASE 0xb0002400 /* USB 2.0 device control registers */
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#define USB_EHCI_BASE 0x10002500 /* USB host registers */
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#define USB_OHCI_BASE 0x10002600 /* USB host registers */
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#define USBH_CFG_BASE 0xb0002700
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#define DDR_BASE 0xb0003000 /* Memory control registers */
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#define SAR_DMA_BASE 0xb000b800 /* ATM SAR DMA control registers */
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#define SWITCH_DMA_BASE 0xb000d800
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#define SWITCH_BASE 0xb0e00000
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#define PCIE_BASE 0xb0e40000
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/*
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** NAND Controller Registers
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*/
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typedef struct NandCtrlRegs {
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uint32 NandRevision; /* NAND Revision */
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uint32 NandCmdStart; /* Nand Flash Command Start */
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uint32 NandCmdExtAddr; /* Nand Flash Command Extended Address */
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uint32 NandCmdAddr; /* Nand Flash Command Address */
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uint32 NandCmdEndAddr; /* Nand Flash Command End Address */
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uint32 NandNandBootConfig; /* Nand Flash Boot Config */
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#define NBC_AUTO_DEV_ID_CFG 0x40000000
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uint32 NandCsNandXor; /* Nand Flash EBI CS Address XOR with */
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} NandCtrlRegs;
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#define NAND ((volatile NandCtrlRegs * const) NAND_REG_BASE)
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#endif
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typedef struct DDRPhyControl {
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uint32 REVISION; /* 0x00 */
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uint32 CLK_PM_CTRL; /* 0x04 */
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uint32 unused0[2]; /* 0x08-0x10 */
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uint32 PLL_STATUS; /* 0x10 */
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uint32 PLL_CONFIG; /* 0x14 */
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uint32 PLL_PRE_DIVIDER; /* 0x18 */
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uint32 PLL_DIVIDER; /* 0x1c */
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uint32 PLL_CONTROL1; /* 0x20 */
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uint32 PLL_CONTROL2; /* 0x24 */
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uint32 PLL_SS_EN; /* 0x28 */
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uint32 PLL_SS_CFG; /* 0x2c */
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uint32 STATIC_VDL_OVERRIDE; /* 0x30 */
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uint32 DYNAMIC_VDL_OVERRIDE; /* 0x34 */
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uint32 IDLE_PAD_CONTROL; /* 0x38 */
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uint32 ZQ_PVT_COMP_CTL; /* 0x3c */
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uint32 DRIVE_PAD_CTL; /* 0x40 */
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uint32 CLOCK_REG_CONTROL; /* 0x44 */
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uint32 unused1[46];
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} DDRPhyControl;
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typedef struct DDRPhyByteLaneControl {
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uint32 REVISION; /* 0x00 */
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uint32 VDL_CALIBRATE; /* 0x04 */
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uint32 VDL_STATUS; /* 0x08 */
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uint32 unused; /* 0x0c */
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uint32 VDL_OVERRIDE_0; /* 0x10 */
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uint32 VDL_OVERRIDE_1; /* 0x14 */
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uint32 VDL_OVERRIDE_2; /* 0x18 */
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uint32 VDL_OVERRIDE_3; /* 0x1c */
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uint32 VDL_OVERRIDE_4; /* 0x20 */
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uint32 VDL_OVERRIDE_5; /* 0x24 */
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uint32 VDL_OVERRIDE_6; /* 0x28 */
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uint32 VDL_OVERRIDE_7; /* 0x2c */
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uint32 READ_CONTROL; /* 0x30 */
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uint32 READ_FIFO_STATUS; /* 0x34 */
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uint32 READ_FIFO_CLEAR; /* 0x38 */
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uint32 IDLE_PAD_CONTROL; /* 0x3c */
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uint32 DRIVE_PAD_CTL; /* 0x40 */
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uint32 CLOCK_PAD_DISABLE; /* 0x44 */
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uint32 WR_PREAMBLE_MODE; /* 0x48 */
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uint32 CLOCK_REG_CONTROL; /* 0x4C */
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uint32 unused0[44];
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} DDRPhyByteLaneControl;
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typedef struct DDRControl {
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uint32 CNFG; /* 0x000 */
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uint32 CSST; /* 0x004 */
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uint32 CSEND; /* 0x008 */
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uint32 unused; /* 0x00c */
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uint32 ROW00_0; /* 0x010 */
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uint32 ROW00_1; /* 0x014 */
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uint32 ROW01_0; /* 0x018 */
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uint32 ROW01_1; /* 0x01c */
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uint32 unused0[4];
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uint32 ROW20_0; /* 0x030 */
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uint32 ROW20_1; /* 0x034 */
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uint32 ROW21_0; /* 0x038 */
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uint32 ROW21_1; /* 0x03c */
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uint32 unused1[4];
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uint32 COL00_0; /* 0x050 */
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uint32 COL00_1; /* 0x054 */
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uint32 COL01_0; /* 0x058 */
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uint32 COL01_1; /* 0x05c */
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uint32 unused2[4];
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uint32 COL20_0; /* 0x070 */
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uint32 COL20_1; /* 0x074 */
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uint32 COL21_0; /* 0x078 */
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uint32 COL21_1; /* 0x07c */
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uint32 unused3[4];
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uint32 BNK10; /* 0x090 */
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uint32 BNK32; /* 0x094 */
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uint32 unused4[26];
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uint32 DCMD; /* 0x100 */
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#define DCMD_CS1 (1 << 5)
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#define DCMD_CS0 (1 << 4)
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#define DCMD_SET_SREF 4
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uint32 DMODE_0; /* 0x104 */
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uint32 DMODE_1; /* 0x108 */
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#define DMODE_1_DRAMSLEEP (1 << 11)
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uint32 CLKS; /* 0x10c */
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uint32 ODT; /* 0x110 */
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uint32 TIM1_0; /* 0x114 */
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uint32 TIM1_1; /* 0x118 */
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uint32 TIM2; /* 0x11c */
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uint32 CTL_CRC; /* 0x120 */
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uint32 DOUT_CRC; /* 0x124 */
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uint32 DIN_CRC; /* 0x128 */
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uint32 unused5[53];
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DDRPhyControl PhyControl; /* 0x200 */
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DDRPhyByteLaneControl PhyByteLane0Control; /* 0x300 */
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DDRPhyByteLaneControl PhyByteLane1Control; /* 0x400 */
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DDRPhyByteLaneControl PhyByteLane2Control; /* 0x500 */
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DDRPhyByteLaneControl PhyByteLane3Control; /* 0x600 */
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uint32 unused6[64];
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uint32 GCFG; /* 0x800 */
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uint32 LBIST_CFG; /* 0x804 */
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uint32 LBIST_SEED; /* 0x808 */
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uint32 ARB; /* 0x80c */
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uint32 PI_GCF; /* 0x810 */
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uint32 PI_UBUS_CTL; /* 0x814 */
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uint32 PI_MIPS_CTL; /* 0x818 */
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uint32 PI_DSL_MIPS_CTL; /* 0x81c */
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uint32 PI_DSL_PHY_CTL; /* 0x820 */
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uint32 PI_UBUS_ST; /* 0x824 */
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uint32 PI_MIPS_ST; /* 0x828 */
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uint32 PI_DSL_MIPS_ST; /* 0x82c */
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uint32 PI_DSL_PHY_ST; /* 0x830 */
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uint32 PI_UBUS_SMPL; /* 0x834 */
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uint32 TESTMODE; /* 0x838 */
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uint32 TEST_CFG1; /* 0x83c */
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uint32 TEST_PAT; /* 0x840 */
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uint32 TEST_COUNT; /* 0x844 */
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uint32 TEST_CURR_COUNT; /* 0x848 */
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uint32 TEST_ADDR_UPDT; /* 0x84c */
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uint32 TEST_ADDR; /* 0x850 */
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uint32 TEST_DATA0; /* 0x854 */
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uint32 TEST_DATA1; /* 0x858 */
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uint32 TEST_DATA2; /* 0x85c */
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uint32 TEST_DATA3; /* 0x860 */
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} DDRControl;
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#define DDR ((volatile DDRControl * const) DDR_BASE)
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/*
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** Peripheral Controller
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*/
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#define IRQ_BITS 64
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typedef struct {
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uint64 IrqMask;
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uint64 IrqStatus;
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} IrqControl_t;
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typedef struct PerfControl {
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uint32 RevID; /* (00) word 0 */
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#define CHIP_ID_SHIFT 16
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#define CHIP_ID_MASK (0xffff << CHIP_ID_SHIFT)
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#define REV_ID_MASK 0xff
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uint32 blkEnables; /* (04) word 1 */
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#define ROBOSW_CLK_EN (1 << 11)
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#define PCIE_CLK_EN (1 << 10)
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#define HS_SPI_CLK_EN (1 << 9)
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#define USBH_CLK_EN (1 << 8)
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#define USBD_CLK_EN (1 << 7)
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#define PCM_CLK_EN (1 << 6)
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#define SAR_CLK_EN (1 << 5)
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#define MIPS_CLK_EN (1 << 4)
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#define ADSL_CLK_EN (1 << 3)
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#define ADSL_AFE_EN (1 << 2)
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#define ADSL_QPROC_EN (1 << 1)
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#define PHYMIPS_CLK_EN (1 << 0)
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uint32 unused0; /* (08) word 2 */
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uint32 deviceTimeoutEn; /* (0c) word 3 */
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uint32 softResetB; /* (10) word 4 */
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#define SOFT_RST_PCIE_HARD (1 << 10)
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#define SOFT_RST_PCIE_EXT (1 << 9)
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#define SOFT_RST_PCIE (1 << 8)
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#define SOFT_RST_PCIE_CORE (1 << 7)
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#define SOFT_RST_PCM (1 << 6)
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#define SOFT_RST_USBH (1 << 5)
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#define SOFT_RST_USBD (1 << 4)
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#define SOFT_RST_SWITCH (1 << 3)
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#define SOFT_RST_SAR (1 << 2)
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#define SOFT_RST_EPHY (1 << 1)
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#define SOFT_RST_SPI (1 << 0)
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uint32 diagControl; /* (14) word 5 */
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uint32 ExtIrqCfg; /* (18) word 6*/
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uint32 unused1; /* (1c) word 7 */
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#define EI_SENSE_SHFT 0
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#define EI_STATUS_SHFT 4
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#define EI_CLEAR_SHFT 8
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#define EI_MASK_SHFT 12
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#define EI_INSENS_SHFT 16
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#define EI_LEVEL_SHFT 20
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IrqControl_t IrqControl[2];
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} PerfControl;
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#define PERF ((volatile PerfControl * const) PERF_BASE)
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/*
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** Timer
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*/
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typedef struct Timer {
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uint16 unused0;
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byte TimerMask;
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#define TIMER0EN 0x01
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#define TIMER1EN 0x02
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#define TIMER2EN 0x04
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byte TimerInts;
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#define TIMER0 0x01
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#define TIMER1 0x02
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#define TIMER2 0x04
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#define WATCHDOG 0x08
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uint32 TimerCtl0;
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uint32 TimerCtl1;
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uint32 TimerCtl2;
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#define TIMERENABLE 0x80000000
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#define RSTCNTCLR 0x40000000
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uint32 TimerCnt0;
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uint32 TimerCnt1;
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uint32 TimerCnt2;
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uint32 WatchDogDefCount;
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/* Write 0xff00 0x00ff to Start timer
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* Write 0xee00 0x00ee to Stop and re-load default count
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* Read from this register returns current watch dog count
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*/
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uint32 WatchDogCtl;
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/* Number of 50-MHz ticks for WD Reset pulse to last */
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uint32 WDResetCount;
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uint32 SoftRst;
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#define SOFT_RESET 0x00000001 // 0
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} Timer;
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#define TIMER ((volatile Timer * const) TIMR_BASE)
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/*
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** UART
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*/
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typedef struct UartChannel {
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byte unused0;
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byte control;
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#define BRGEN 0x80 /* Control register bit defs */
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#define TXEN 0x40
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#define RXEN 0x20
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#define LOOPBK 0x10
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#define TXPARITYEN 0x08
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#define TXPARITYEVEN 0x04
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#define RXPARITYEN 0x02
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#define RXPARITYEVEN 0x01
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byte config;
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#define XMITBREAK 0x40
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#define BITS5SYM 0x00
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#define BITS6SYM 0x10
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#define BITS7SYM 0x20
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#define BITS8SYM 0x30
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#define ONESTOP 0x07
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#define TWOSTOP 0x0f
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/* 4-LSBS represent STOP bits/char
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* in 1/8 bit-time intervals. Zero
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* represents 1/8 stop bit interval.
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* Fifteen represents 2 stop bits.
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*/
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byte fifoctl;
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#define RSTTXFIFOS 0x80
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#define RSTRXFIFOS 0x40
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/* 5-bit TimeoutCnt is in low bits of this register.
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* This count represents the number of characters
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* idle times before setting receive Irq when below threshold
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*/
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uint32 baudword;
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/* When divide SysClk/2/(1+baudword) we should get 32*bit-rate
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*/
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byte txf_levl; /* Read-only fifo depth */
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byte rxf_levl; /* Read-only fifo depth */
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byte fifocfg; /* Upper 4-bits are TxThresh, Lower are
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* RxThreshold. Irq can be asserted
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* when rx fifo> thresh, txfifo<thresh
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*/
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byte prog_out; /* Set value of DTR (Bit0), RTS (Bit1)
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* if these bits are also enabled to GPIO_o
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*/
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#define DTREN 0x01
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#define RTSEN 0x02
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byte unused1;
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byte DeltaIPEdgeNoSense; /* Low 4-bits, set corr bit to 1 to
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* detect irq on rising AND falling
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* edges for corresponding GPIO_i
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* if enabled (edge insensitive)
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*/
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byte DeltaIPConfig_Mask; /* Upper 4 bits: 1 for posedge sense
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* 0 for negedge sense if
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* not configured for edge
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* insensitive (see above)
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* Lower 4 bits: Mask to enable change
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* detection IRQ for corresponding
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* GPIO_i
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*/
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byte DeltaIP_SyncIP; /* Upper 4 bits show which bits
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* have changed (may set IRQ).
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* read automatically clears bit
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* Lower 4 bits are actual status
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*/
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uint16 intMask; /* Same Bit defs for Mask and status */
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uint16 intStatus;
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#define DELTAIP 0x0001
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#define TXUNDERR 0x0002
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#define TXOVFERR 0x0004
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#define TXFIFOTHOLD 0x0008
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#define TXREADLATCH 0x0010
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#define TXFIFOEMT 0x0020
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#define RXUNDERR 0x0040
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#define RXOVFERR 0x0080
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#define RXTIMEOUT 0x0100
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#define RXFIFOFULL 0x0200
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#define RXFIFOTHOLD 0x0400
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#define RXFIFONE 0x0800
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#define RXFRAMERR 0x1000
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#define RXPARERR 0x2000
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#define RXBRK 0x4000
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uint16 unused2;
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uint16 Data; /* Write to TX, Read from RX */
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/* bits 11:8 are BRK,PAR,FRM errors */
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uint32 unused3;
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uint32 unused4;
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} Uart;
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#define UART ((volatile Uart * const) UART_BASE)
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/*
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** Gpio Controller
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*/
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#pragma pack(push, 4)
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typedef struct GpioControl {
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uint32 GPIODirHi; /* 0 */
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uint32 GPIODir; /* 4 */
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uint32 GPIOioHi; /* 8 */
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uint32 GPIOio; /* C */
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uint32 unused0; /* 10 */
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uint32 SpiSlaveCfg; /* 14 */
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uint32 GPIOMode; /* 18 */
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uint64 PinMuxSel; /* 1C */
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#define SERIAL_LED_DATA 6
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#define SERIAL_LED_CLK 7
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#define INET_ACT_LED 11
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#define PCIE_CLKREQ 16
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#define EPHY0_SPD_LED 17
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#define EPHY1_SPD_LED 18
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#define EPHY2_SPD_LED 19
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#define EPHY3_SPD_LED 20
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#define EPHY0_ACT_LED 25
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#define EPHY1_ACT_LED 26
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#define EPHY2_ACT_LED 27
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#define EPHY3_ACT_LED 28
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#define PINMUX_SERIAL_LED_DATA ((uint64)2 << (SERIAL_LED_DATA << 1))
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#define PINMUX_SERIAL_LED_CLK ((uint64)2 << (SERIAL_LED_CLK << 1))
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#define PINMUX_INET_ACT_LED ((uint64)1 << (INET_ACT_LED << 1))
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#define PINMUX_PCIE_CLKREQ ((uint64)2 << (PCIE_CLKREQ << 1))
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#define PINMUX_EPHY0_ACT_LED ((uint64)1 << (EPHY0_ACT_LED << 1))
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#define PINMUX_EPHY1_ACT_LED ((uint64)1 << (EPHY1_ACT_LED << 1))
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#define PINMUX_EPHY2_ACT_LED ((uint64)1 << (EPHY2_ACT_LED << 1))
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#define PINMUX_EPHY3_ACT_LED ((uint64)1 << (EPHY3_ACT_LED << 1))
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uint32 PinMuxSelOther; /* 24 */
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#define SEL_SPI2 8
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#define PINMUX_SEL_SPI2_MASK (3 << SEL_SPI2)
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#define PINMUX_SEL_SPI2 (2 << SEL_SPI2)
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#define SEL_USB 12
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#define PINMUX_SEL_USB_MASK (3 << SEL_USB)
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#define PINMUX_SEL_USB_HOST (1 << SEL_USB)
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#define PINMUX_SEL_USB_DEV (2 << SEL_USB)
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uint32 TestControl; /* 28 */
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uint32 unused2; /* 2C */
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uint32 RoboSWLEDControl; /* 30 */
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uint32 RoboSWLEDLSR; /* 34 */
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uint32 unused3; /* 38 */
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uint32 RoboswEphyCtrl; /* 3C */
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#define EPHY_AUTO_PWR_DOWN_EN (1<<29)
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#define EPHY_IDDQ_FROM_PHY (1<<28)
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#define EPHY_PLL_LOCK (1<<27)
|
|
#define EPHY_ATEST_25MHZ_EN (1<<26)
|
|
#define EPHY_PWR_DOWN_DLL (1<<25)
|
|
#define EPHY_PWR_DOWN_BIAS (1<<24)
|
|
#define EPHY_PWR_DOWN_TX_4 (1<<23)
|
|
#define EPHY_PWR_DOWN_TX_3 (1<<22)
|
|
#define EPHY_PWR_DOWN_TX_2 (1<<21)
|
|
#define EPHY_PWR_DOWN_TX_1 (1<<20)
|
|
#define EPHY_PWR_DOWN_RX_4 (1<<19)
|
|
#define EPHY_PWR_DOWN_RX_3 (1<<18)
|
|
#define EPHY_PWR_DOWN_RX_2 (1<<17)
|
|
#define EPHY_PWR_DOWN_RX_1 (1<<16)
|
|
#define EPHY_PWR_DOWN_SD_4 (1<<15)
|
|
#define EPHY_PWR_DOWN_SD_3 (1<<14)
|
|
#define EPHY_PWR_DOWN_SD_2 (1<<13)
|
|
#define EPHY_PWR_DOWN_SD_1 (1<<12)
|
|
#define EPHY_PWR_DOWN_RD_4 (1<<11)
|
|
#define EPHY_PWR_DOWN_RD_3 (1<<10)
|
|
#define EPHY_PWR_DOWN_RD_2 (1<<9)
|
|
#define EPHY_PWR_DOWN_RD_1 (1<<8)
|
|
#define EPHY_PWR_DOWN_4 (1<<7)
|
|
#define EPHY_PWR_DOWN_3 (1<<6)
|
|
#define EPHY_PWR_DOWN_2 (1<<5)
|
|
#define EPHY_PWR_DOWN_1 (1<<4)
|
|
#define EPHY_RST_4 (1<<3)
|
|
#define EPHY_RST_3 (1<<2)
|
|
#define EPHY_RST_2 (1<<1)
|
|
#define EPHY_RST_1 (1<<0)
|
|
#define EPHY_RST_SHIFT 0x0
|
|
#define EPHY_RST_MASK (0xf<<EPHY_RST_SHIFT)
|
|
uint32 RoboswSwitchCtrl; /* 40 */
|
|
#define RSW_SPI_MODE (1<<11)
|
|
#define RSW_BC_SUPP_EN (1<<10)
|
|
#define RSW_CLK_FREQ_MASK (3<<8)
|
|
#define RSW_ENF_DFX_FLOW (1<<7)
|
|
#define RSW_ENH_DFX_FLOW (1<<6)
|
|
#define RSW_GRX_0_SETUP (1<<5)
|
|
#define RSW_GTX_0_SETUP (1<<4)
|
|
#define RSW_HW_FWDG_EN (1<<3)
|
|
#define RSW_QOS_EN (1<<2)
|
|
#define RSW_WD_CLR_EN (1<<1)
|
|
#define RSW_MII_DUMB_FWDG_EN (1<<0)
|
|
|
|
uint32 RegFileTmCtl; /* 44 */
|
|
|
|
uint32 RingOscCtrl0; /* 48 */
|
|
#define RING_OSC_256_CYCLES 8
|
|
#define RING_OSC_512_CYCLES 9
|
|
#define RING_OSC_1024_CYCLES 10
|
|
|
|
uint32 RingOscCtrl1; /* 4C */
|
|
#define RING_OSC_ENABLE_MASK (0x0f<<24)
|
|
#define RING_OSC_ENABLE_SHIFT 24
|
|
#define RING_OSC_MAX 4
|
|
#define RING_OSC_COUNT_RESET (0x1<<23)
|
|
#define RING_OSC_SELECT_MASK (0x7<<20)
|
|
#define RING_OSC_SELECT_SHIFT 20
|
|
#define RING_OSC_IRQ (0x1<<18)
|
|
#define RING_OSC_COUNTER_OVERFLOW (0x1<<17)
|
|
#define RING_OSC_COUNTER_BUSY (0x1<<16)
|
|
#define RING_OSC_COUNT_MASK 0x0000ffff
|
|
|
|
uint32 unused4[6]; /* 50 - 64 */
|
|
uint32 DieRevID; /* 68 */
|
|
uint32 unused5; /* 6c */
|
|
uint32 DiagSelControl; /* 70 */
|
|
uint32 DiagReadBack; /* 74 */
|
|
uint32 DiagReadBackHi; /* 78 */
|
|
uint32 DiagMiscControl; /* 7c */
|
|
} GpioControl;
|
|
#pragma pack(pop)
|
|
|
|
#define GPIO ((volatile GpioControl * const) GPIO_BASE)
|
|
|
|
/* Number to mask conversion macro used for GPIODir and GPIOio */
|
|
#define GPIO_NUM_MAX 32
|
|
#define GPIO_NUM_TO_MASK(X) ( (((X) & BP_GPIO_NUM_MASK) < GPIO_NUM_MAX) ? (1 << ((X) & BP_GPIO_NUM_MASK)) : (0) )
|
|
|
|
/*
|
|
** High-Speed SPI Controller
|
|
*/
|
|
|
|
#define __mask(end, start) (((1 << ((end - start) + 1)) - 1) << start)
|
|
typedef struct HsSpiControl {
|
|
|
|
uint32 hs_spiGlobalCtrl; // 0x0000
|
|
#define HS_SPI_MOSI_IDLE (1 << 18)
|
|
#define HS_SPI_CLK_POLARITY (1 << 17)
|
|
#define HS_SPI_CLK_GATE_SSOFF (1 << 16)
|
|
#define HS_SPI_PLL_CLK_CTRL (8)
|
|
#define HS_SPI_PLL_CLK_CTRL_MASK __mask(15, HS_SPI_PLL_CLK_CTRL)
|
|
#define HS_SPI_SS_POLARITY (0)
|
|
#define HS_SPI_SS_POLARITY_MASK __mask(7, HS_SPI_SS_POLARITY)
|
|
|
|
#define ZSI_SPI_DEV_ID 6
|
|
|
|
uint32 hs_spiExtTrigCtrl; // 0x0004
|
|
#define HS_SPI_TRIG_RAW_STATE (24)
|
|
#define HS_SPI_TRIG_RAW_STATE_MASK __mask(31, HS_SPI_TRIG_RAW_STATE)
|
|
#define HS_SPI_TRIG_LATCHED (16)
|
|
#define HS_SPI_TRIG_LATCHED_MASK __mask(23, HS_SPI_TRIG_LATCHED)
|
|
#define HS_SPI_TRIG_SENSE (8)
|
|
#define HS_SPI_TRIG_SENSE_MASK __mask(15, HS_SPI_TRIG_SENSE)
|
|
#define HS_SPI_TRIG_TYPE (0)
|
|
#define HS_SPI_TRIG_TYPE_MASK __mask(7, HS_SPI_TRIG_TYPE)
|
|
#define HS_SPI_TRIG_TYPE_EDGE (0)
|
|
#define HS_SPI_TRIG_TYPE_LEVEL (1)
|
|
|
|
uint32 hs_spiIntStatus; // 0x0008
|
|
#define HS_SPI_IRQ_PING1_USER (28)
|
|
#define HS_SPI_IRQ_PING1_USER_MASK __mask(31, HS_SPI_IRQ_PING1_USER)
|
|
#define HS_SPI_IRQ_PING0_USER (24)
|
|
#define HS_SPI_IRQ_PING0_USER_MASK __mask(27, HS_SPI_IRQ_PING0_USER)
|
|
|
|
#define HS_SPI_IRQ_PING1_CTRL_INV (1 << 12)
|
|
#define HS_SPI_IRQ_PING1_POLL_TOUT (1 << 11)
|
|
#define HS_SPI_IRQ_PING1_TX_UNDER (1 << 10)
|
|
#define HS_SPI_IRQ_PING1_RX_OVER (1 << 9)
|
|
#define HS_SPI_IRQ_PING1_CMD_DONE (1 << 8)
|
|
|
|
#define HS_SPI_IRQ_PING0_CTRL_INV (1 << 4)
|
|
#define HS_SPI_IRQ_PING0_POLL_TOUT (1 << 3)
|
|
#define HS_SPI_IRQ_PING0_TX_UNDER (1 << 2)
|
|
#define HS_SPI_IRQ_PING0_RX_OVER (1 << 1)
|
|
#define HS_SPI_IRQ_PING0_CMD_DONE (1 << 0)
|
|
|
|
uint32 hs_spiIntStatusMasked; // 0x000C
|
|
#define HS_SPI_IRQSM__PING1_USER (28)
|
|
#define HS_SPI_IRQSM__PING1_USER_MASK __mask(31, HS_SPI_IRQSM__PING1_USER)
|
|
#define HS_SPI_IRQSM__PING0_USER (24)
|
|
#define HS_SPI_IRQSM__PING0_USER_MASK __mask(27, HS_SPI_IRQSM__PING0_USER)
|
|
|
|
#define HS_SPI_IRQSM__PING1_CTRL_INV (1 << 12)
|
|
#define HS_SPI_IRQSM__PING1_POLL_TOUT (1 << 11)
|
|
#define HS_SPI_IRQSM__PING1_TX_UNDER (1 << 10)
|
|
#define HS_SPI_IRQSM__PING1_RX_OVER (1 << 9)
|
|
#define HS_SPI_IRQSM__PING1_CMD_DONE (1 << 8)
|
|
|
|
#define HS_SPI_IRQSM__PING0_CTRL_INV (1 << 4)
|
|
#define HS_SPI_IRQSM__PING0_POLL_TOUT (1 << 3)
|
|
#define HS_SPI_IRQSM__PING0_TX_UNDER (1 << 2)
|
|
#define HS_SPI_IRQSM__PING0_RX_OVER (1 << 1)
|
|
#define HS_SPI_IRQSM__PING0_CMD_DONE (1 << 0)
|
|
|
|
uint32 hs_spiIntMask; // 0x0010
|
|
#define HS_SPI_IRQM_PING1_USER (28)
|
|
#define HS_SPI_IRQM_PING1_USER_MASK __mask(31, HS_SPI_IRQM_PING1_USER)
|
|
#define HS_SPI_IRQM_PING0_USER (24)
|
|
#define HS_SPI_IRQM_PING0_USER_MASK __mask(27, HS_SPI_IRQM_PING0_USER)
|
|
|
|
#define HS_SPI_IRQM_PING1_CTRL_INV (1 << 12)
|
|
#define HS_SPI_IRQM_PING1_POLL_TOUT (1 << 11)
|
|
#define HS_SPI_IRQM_PING1_TX_UNDER (1 << 10)
|
|
#define HS_SPI_IRQM_PING1_RX_OVER (1 << 9)
|
|
#define HS_SPI_IRQM_PING1_CMD_DONE (1 << 8)
|
|
|
|
#define HS_SPI_IRQM_PING0_CTRL_INV (1 << 4)
|
|
#define HS_SPI_IRQM_PING0_POLL_TOUT (1 << 3)
|
|
#define HS_SPI_IRQM_PING0_TX_UNDER (1 << 2)
|
|
#define HS_SPI_IRQM_PING0_RX_OVER (1 << 1)
|
|
#define HS_SPI_IRQM_PING0_CMD_DONE (1 << 0)
|
|
|
|
#define HS_SPI_INTR_CLEAR_ALL (0xFF001F1F)
|
|
|
|
uint32 hs_spiFlashCtrl; // 0x0014
|
|
#define HS_SPI_FCTRL_MB_ENABLE (23)
|
|
#define HS_SPI_FCTRL_SS_NUM (20)
|
|
#define HS_SPI_FCTRL_SS_NUM_MASK __mask(22, HS_SPI_FCTRL_SS_NUM)
|
|
#define HS_SPI_FCTRL_PROFILE_NUM (16)
|
|
#define HS_SPI_FCTRL_PROFILE_NUM_MASK __mask(18, HS_SPI_FCTRL_PROFILE_NUM)
|
|
#define HS_SPI_FCTRL_DUMMY_BYTES (10)
|
|
#define HS_SPI_FCTRL_DUMMY_BYTES_MASK __mask(11, HS_SPI_FCTRL_DUMMY_BYTES)
|
|
#define HS_SPI_FCTRL_ADDR_BYTES (8)
|
|
#define HS_SPI_FCTRL_ADDR_BYTES_MASK __mask(9, HS_SPI_FCTRL_ADDR_BYTES)
|
|
#define HS_SPI_FCTRL_ADDR_BYTES_2 (0)
|
|
#define HS_SPI_FCTRL_ADDR_BYTES_3 (1)
|
|
#define HS_SPI_FCTRL_ADDR_BYTES_4 (2)
|
|
#define HS_SPI_FCTRL_READ_OPCODE (0)
|
|
#define HS_SPI_FCTRL_READ_OPCODE_MASK __mask(7, HS_SPI_FCTRL_READ_OPCODE)
|
|
|
|
uint32 hs_spiFlashAddrBase; // 0x0018
|
|
|
|
char fill0[0x80 - 0x18];
|
|
|
|
uint32 hs_spiPP_0_Cmd; // 0x0080
|
|
#define HS_SPI_PP_SS_NUM (12)
|
|
#define HS_SPI_PP_SS_NUM_MASK __mask(14, HS_SPI_PP_SS_NUM)
|
|
#define HS_SPI_PP_PROFILE_NUM (8)
|
|
#define HS_SPI_PP_PROFILE_NUM_MASK __mask(10, HS_SPI_PP_PROFILE_NUM)
|
|
|
|
} HsSpiControl;
|
|
|
|
typedef struct HsSpiPingPong {
|
|
|
|
uint32 command;
|
|
#define HS_SPI_SS_NUM (12)
|
|
#define HS_SPI_PROFILE_NUM (8)
|
|
#define HS_SPI_TRIGGER_NUM (4)
|
|
#define HS_SPI_COMMAND_VALUE (0)
|
|
#define HS_SPI_COMMAND_NOOP (0)
|
|
#define HS_SPI_COMMAND_START_NOW (1)
|
|
#define HS_SPI_COMMAND_START_TRIGGER (2)
|
|
#define HS_SPI_COMMAND_HALT (3)
|
|
#define HS_SPI_COMMAND_FLUSH (4)
|
|
|
|
uint32 status;
|
|
#define HS_SPI_ERROR_BYTE_OFFSET (16)
|
|
#define HS_SPI_WAIT_FOR_TRIGGER (2)
|
|
#define HS_SPI_SOURCE_BUSY (1)
|
|
#define HS_SPI_SOURCE_GNT (0)
|
|
|
|
uint32 fifo_status;
|
|
uint32 control;
|
|
|
|
} HsSpiPingPong;
|
|
|
|
typedef struct HsSpiProfile {
|
|
|
|
uint32 clk_ctrl;
|
|
#define HS_SPI_ACCUM_RST_ON_LOOP (15)
|
|
#define HS_SPI_SPI_CLK_2X_SEL (14)
|
|
#define HS_SPI_FREQ_CTRL_WORD (0)
|
|
|
|
uint32 signal_ctrl;
|
|
#define HS_SPI_ASYNC_INPUT_PATH (1 << 16)
|
|
#define HS_SPI_LAUNCH_RISING (1 << 13)
|
|
#define HS_SPI_LATCH_RISING (1 << 12)
|
|
|
|
uint32 mode_ctrl;
|
|
#define HS_SPI_PREPENDBYTE_CNT (24)
|
|
#define HS_SPI_MODE_ONE_WIRE (20)
|
|
#define HS_SPI_MULTIDATA_WR_SIZE (18)
|
|
#define HS_SPI_MULTIDATA_RD_SIZE (16)
|
|
#define HS_SPI_MULTIDATA_WR_STRT (12)
|
|
#define HS_SPI_MULTIDATA_RD_STRT (8)
|
|
#define HS_SPI_FILLBYTE (0)
|
|
|
|
uint32 polling_config;
|
|
uint32 polling_and_mask;
|
|
uint32 polling_compare;
|
|
uint32 polling_timeout;
|
|
uint32 reserved;
|
|
|
|
} HsSpiProfile;
|
|
|
|
#define HS_SPI_OP_CODE 13
|
|
#define HS_SPI_OP_SLEEP (0)
|
|
#define HS_SPI_OP_READ_WRITE (1)
|
|
#define HS_SPI_OP_WRITE (2)
|
|
#define HS_SPI_OP_READ (3)
|
|
#define HS_SPI_OP_SETIRQ (4)
|
|
|
|
#define HS_SPI ((volatile HsSpiControl * const) HSSPIM_BASE)
|
|
#define HS_SPI_PINGPONG0 ((volatile HsSpiPingPong * const) (HSSPIM_BASE+0x80))
|
|
#define HS_SPI_PINGPONG1 ((volatile HsSpiPingPong * const) (HSSPIM_BASE+0xc0))
|
|
#define HS_SPI_PROFILES ((volatile HsSpiProfile * const) (HSSPIM_BASE+0x100))
|
|
#define HS_SPI_FIFO0 ((volatile uint8 * const) (HSSPIM_BASE+0x200))
|
|
#define HS_SPI_FIFO1 ((volatile uint8 * const) (HSSPIM_BASE+0x400))
|
|
|
|
|
|
/*
|
|
** Misc Register Set Definitions.
|
|
*/
|
|
|
|
typedef struct Misc {
|
|
uint32 miscSerdesCtrl; /* 0x0000 */
|
|
#define SERDES_PCIE_ENABLE 0x00000001
|
|
#define SERDES_PCIE_EXD_ENABLE (1<<15)
|
|
|
|
uint32 miscSerdesSts; /* 0x0004 */
|
|
uint32 miscIrqOutMask; /* 0x0008 */
|
|
#define MISC_PCIE_EP_IRQ_MASK0 (1<<0)
|
|
#define MISC_PCIE_EP_IRQ_MASK1 (1<<1)
|
|
|
|
uint32 miscMemcControl; /* 0x000c */
|
|
#define MISC_MEMC_CONTROL_MC_UBUS_ASYNC_MODE (1<<3)
|
|
#define MISC_MEMC_CONTROL_MC_LMB_ASYNC_MODE (1<<2)
|
|
#define MISC_MEMC_CONTROL_DDR_TEST_DONE (1<<1)
|
|
#define MISC_MEMC_CONTROL_DDR_TEST_DISABLE (1<<0)
|
|
|
|
uint32 unused0[2]; /* 0x0010 */
|
|
|
|
uint32 miscVregCtrl0; /* 0x0018 */
|
|
#define VREG_VSEL1P2_SHIFT 0
|
|
#define VREG_VSEL1P2_MASK 0x1f
|
|
#define VREG_VSEL1P2_MIDDLE 0x0f
|
|
|
|
uint32 miscVregCtrl1; /* 0x001c */
|
|
uint32 miscVregCtrl2; /* 0x0020 */
|
|
uint32 miscLedXorReg; /* 0x0024 */
|
|
uint32 miscExtra2ChipIrqMask; /* 0x0028 */
|
|
uint32 miscExtra2ChipIrqStatus; /* 0x002c */
|
|
uint32 miscExtra2ChipIrqMask1; /* 0x0030 */
|
|
uint32 miscExtra2ChipIrqStatus1; /* 0x0034 */
|
|
uint32 miscDdrPllTestCtrl; /* 0x0038 */
|
|
uint32 miscPadCtrlLow; /* 0x003c */
|
|
uint32 miscPadCtrlHigh; /* 0x0040 */
|
|
#define MISC_MII_SEL_SHIFT 30
|
|
#define MISC_MII_SEL_3P3V 0
|
|
#define MISC_MII_SEL_2P5V 1
|
|
#define MISC_MII_SEL_1P5V 2
|
|
uint32 miscPeriphEcoReg; /* 0x0044 */
|
|
|
|
uint32 miscIddqCtrl; /* 0x0048 */
|
|
#define MISC_IDDQ_CTRL_EPHY (1<<9)
|
|
#define MISC_IDDQ_CTRL_ROBOSW (1<<8)
|
|
#define MISC_IDDQ_CTRL_PCIE (1<<7)
|
|
#define MISC_IDDQ_CTRL_USBH (1<<6)
|
|
#define MISC_IDDQ_CTRL_USBD (1<<5)
|
|
#define MISC_IDDQ_CTRL_PCM (1<<4)
|
|
#define MISC_IDDQ_CTRL_SAR (1<<3)
|
|
#define MISC_IDDQ_CTRL_ADSL2_AFE (1<<2)
|
|
#define MISC_IDDQ_CTRL_ADSL2_PHY (1<<1)
|
|
#define MISC_IDDQ_CTRL_ADSL2_MIPS (1<<0)
|
|
|
|
uint32 miscAdslClkSample; /* 0x004c */
|
|
|
|
uint32 unused3[(0x0100 - 0x0050) / 4]; /* 0x0050 */
|
|
uint32 miscAdslCtrl; /* 0x0100 */
|
|
uint32 unused4[(0x0180 - 0x0104) / 4]; /* 0x0104 */
|
|
uint32 miscMipsTestCtrl; /* 0x0180 */
|
|
uint32 miscMipsTestStatus; /* 0x0184 */
|
|
uint32 unused5[(0x0200 - 0x0188) / 4]; /* 0x0188 */
|
|
uint32 miscPllCtrlSysPll0; /* 0x0200 */
|
|
uint32 miscPllCtrlSysPll1; /* 0x0204 */
|
|
uint32 miscPllCtrlSysPll2; /* 0x0208 */
|
|
uint32 miscPllCtrlSysPll3; /* 0x020c */
|
|
uint32 miscPllCtrlDdrPll; /* 0x0210 */
|
|
uint32 miscPllCtrlXtalEcoReg; /* 0x0214 */
|
|
uint32 unused6[(0x0240 - 0x0218) / 4]; /* 0x0218 */
|
|
uint32 miscStrapBus; /* 0x0240 */
|
|
#define MISC_STRAP_BUS_BOOT_SEL_SHIFT 18
|
|
#define MISC_STRAP_BUS_BOOT_SEL_MASK (0x1<<MISC_STRAP_BUS_BOOT_SEL_SHIFT)
|
|
#define MISC_STRAP_BUS_BOOT_SERIAL 0x01
|
|
#define MISC_STRAP_BUS_BOOT_NAND 0x00
|
|
#define MISC_STRAP_BUS_MIPS_PLL_FVCO_SHIFT 7
|
|
#define MISC_STRAP_BUS_MIPS_PLL_FVCO_MASK (0x1F<<MISC_STRAP_BUS_MIPS_PLL_FVCO_SHIFT)
|
|
#define MISC_STRAP_BUS_HS_SPIM_FAST_B_MASK (1<<4)
|
|
|
|
uint32 miscStrapOverride; /* 0x0244 */
|
|
uint32 unused7[(0x0280 - 0x0248) / 4]; /* 0x0248 */
|
|
uint32 miscRtcSleepModeEn; /* 0x0280 */
|
|
uint32 miscRtcSleepRtcEn; /* 0x0284 */
|
|
uint32 miscRtcSleepRtcCountLow; /* 0x0288 */
|
|
uint32 miscRtcSleepRtcCountHigh; /* 0x028c */
|
|
uint32 miscRtcSleepRtcEvent; /* 0x0290 */
|
|
uint32 miscRtcSleepWakeupMask; /* 0x0294 */
|
|
uint32 miscRtcSleepWakeupStatus; /* 0x0298 */
|
|
uint32 miscRtcSleepDebounceCtrl; /* 0x029c */
|
|
uint32 miscRtcSleepCpuScratchPad; /* 0x02a0 */
|
|
} Misc;
|
|
|
|
#define MISC ((volatile Misc * const) MISC_BASE)
|
|
|
|
/*
|
|
** LedControl Register Set Definitions.
|
|
*/
|
|
|
|
#pragma pack(push, 4)
|
|
typedef struct LedControl {
|
|
uint32 ledInit;
|
|
#define LED_LED_TEST (1 << 31)
|
|
#define LED_SHIFT_TEST (1 << 30)
|
|
#define LED_SERIAL_LED_SHIFT_DIR (1 << 16)
|
|
#define LED_SERIAL_LED_DATA_PPOL (1 << 15)
|
|
#define LEDSERIAL_LED_CLK_NPOL (1 << 14)
|
|
#define LED_SERIAL_LED_MUX_SEL (1 << 13)
|
|
#define LED_SERIAL_LED_EN (1 << 12)
|
|
#define LED_FAST_INTV_SHIFT 6
|
|
#define LED_FAST_INTV_MASK (0x3F<<LED_FAST_INTV_SHIFT)
|
|
#define LED_SLOW_INTV_SHIFT 0
|
|
#define LED_SLOW_INTV_MASK (0x3F<<LED_SLOW_INTV_SHIFT)
|
|
#define LED_INTERVAL_20MS 1
|
|
|
|
uint64 ledMode;
|
|
#define LED_MODE_MASK (uint64)0x3
|
|
#define LED_MODE_OFF (uint64)0x0
|
|
#define LED_MODE_FLASH (uint64)0x1
|
|
#define LED_MODE_BLINK (uint64)0x2
|
|
#define LED_MODE_ON (uint64)0x3
|
|
|
|
uint32 ledHWDis;
|
|
#define LED_INET_ACT 0
|
|
|
|
uint32 ledStrobe;
|
|
uint32 ledLinkActSelHigh;
|
|
#define LED_4_ACT_SHIFT 0
|
|
#define LED_5_ACT_SHIFT 4
|
|
#define LED_6_ACT_SHIFT 8
|
|
#define LED_7_ACT_SHIFT 12
|
|
#define LED_4_LINK_SHIFT 16
|
|
#define LED_5_LINK_SHIFT 20
|
|
#define LED_6_LINK_SHIFT 24
|
|
#define LED_7_LINK_SHIFT 28
|
|
uint32 ledLinkActSelLow;
|
|
#define LED_0_ACT_SHIFT 0
|
|
#define LED_1_ACT_SHIFT 4
|
|
#define LED_2_ACT_SHIFT 8
|
|
#define LED_3_ACT_SHIFT 12
|
|
#define LED_0_LINK_SHIFT 16
|
|
#define LED_1_LINK_SHIFT 20
|
|
#define LED_2_LINK_SHIFT 24
|
|
#define LED_3_LINK_SHIFT 28
|
|
|
|
uint32 ledReadback;
|
|
uint32 ledSerialMuxSelect;
|
|
} LedControl;
|
|
#pragma pack(pop)
|
|
|
|
#define LED ((volatile LedControl * const) LED_BASE)
|
|
|
|
#define GPIO_NUM_TO_LED_MODE_SHIFT(X) \
|
|
((((X) & BP_GPIO_NUM_MASK) < 8) ? (32 + (((X) & BP_GPIO_NUM_MASK) << 1)) : \
|
|
((((X) & BP_GPIO_NUM_MASK) - 8) << 1))
|
|
|
|
#define IUDMA_MAX_CHANNELS 32
|
|
|
|
/*
|
|
** DMA Channel Configuration (1 .. 32)
|
|
*/
|
|
typedef struct DmaChannelCfg {
|
|
uint32 cfg; /* (00) assorted configuration */
|
|
#define DMA_ENABLE 0x00000001 /* set to enable channel */
|
|
#define DMA_PKT_HALT 0x00000002 /* idle after an EOP flag is detected */
|
|
#define DMA_BURST_HALT 0x00000004 /* idle after finish current memory burst */
|
|
uint32 intStat; /* (04) interrupts control and status */
|
|
uint32 intMask; /* (08) interrupts mask */
|
|
#define DMA_BUFF_DONE 0x00000001 /* buffer done */
|
|
#define DMA_DONE 0x00000002 /* packet xfer complete */
|
|
#define DMA_NO_DESC 0x00000004 /* no valid descriptors */
|
|
uint32 maxBurst; /* (0C) max burst length permitted */
|
|
#define DMA_DESCSIZE_SEL 0x00040000 /* DMA Descriptor Size Selection */
|
|
} DmaChannelCfg;
|
|
|
|
/*
|
|
** DMA State RAM (1 .. 16)
|
|
*/
|
|
typedef struct DmaStateRam {
|
|
uint32 baseDescPtr; /* (00) descriptor ring start address */
|
|
uint32 state_data; /* (04) state/bytes done/ring offset */
|
|
uint32 desc_len_status; /* (08) buffer descriptor status and len */
|
|
uint32 desc_base_bufptr; /* (0C) buffer descrpitor current processing */
|
|
} DmaStateRam;
|
|
|
|
|
|
/*
|
|
** DMA Registers
|
|
*/
|
|
typedef struct DmaRegs {
|
|
uint32 controller_cfg; /* (00) controller configuration */
|
|
#define DMA_MASTER_EN 0x00000001
|
|
#define DMA_FLOWC_CH1_EN 0x00000002
|
|
#define DMA_FLOWC_CH3_EN 0x00000004
|
|
|
|
// Flow control Ch1
|
|
uint32 flowctl_ch1_thresh_lo; /* 004 */
|
|
uint32 flowctl_ch1_thresh_hi; /* 008 */
|
|
uint32 flowctl_ch1_alloc; /* 00c */
|
|
#define DMA_BUF_ALLOC_FORCE 0x80000000
|
|
|
|
// Flow control Ch3
|
|
uint32 flowctl_ch3_thresh_lo; /* 010 */
|
|
uint32 flowctl_ch3_thresh_hi; /* 014 */
|
|
uint32 flowctl_ch3_alloc; /* 018 */
|
|
|
|
// Flow control Ch5
|
|
uint32 flowctl_ch5_thresh_lo; /* 01C */
|
|
uint32 flowctl_ch5_thresh_hi; /* 020 */
|
|
uint32 flowctl_ch5_alloc; /* 024 */
|
|
|
|
// Flow control Ch7
|
|
uint32 flowctl_ch7_thresh_lo; /* 028 */
|
|
uint32 flowctl_ch7_thresh_hi; /* 02C */
|
|
uint32 flowctl_ch7_alloc; /* 030 */
|
|
|
|
uint32 ctrl_channel_reset; /* 034 */
|
|
uint32 ctrl_channel_debug; /* 038 */
|
|
uint32 reserved1; /* 03C */
|
|
uint32 ctrl_global_interrupt_status; /* 040 */
|
|
uint32 ctrl_global_interrupt_mask; /* 044 */
|
|
|
|
// Unused words
|
|
uint8 reserved2[0x200-0x48];
|
|
|
|
// Per channel registers/state ram
|
|
DmaChannelCfg chcfg[IUDMA_MAX_CHANNELS];/* (200-3FF) Channel configuration */
|
|
union {
|
|
DmaStateRam s[IUDMA_MAX_CHANNELS];
|
|
uint32 u32[4 * IUDMA_MAX_CHANNELS];
|
|
} stram; /* (400-5FF) state ram */
|
|
} DmaRegs;
|
|
|
|
#define SW_DMA ((volatile DmaRegs * const) SWITCH_DMA_BASE)
|
|
|
|
/*
|
|
** DMA Buffer
|
|
*/
|
|
typedef struct DmaDesc {
|
|
union {
|
|
struct {
|
|
uint16 length; /* in bytes of data in buffer */
|
|
#define DMA_DESC_USEFPM 0x8000
|
|
#define DMA_DESC_MULTICAST 0x4000
|
|
#define DMA_DESC_BUFLENGTH 0x0fff
|
|
uint16 status; /* buffer status */
|
|
#define DMA_OWN 0x8000 /* cleared by DMA, set by SW */
|
|
#define DMA_EOP 0x4000 /* last buffer in packet */
|
|
#define DMA_SOP 0x2000 /* first buffer in packet */
|
|
#define DMA_WRAP 0x1000 /* */
|
|
#define DMA_PRIO 0x0C00 /* Prio for Tx */
|
|
#define DMA_APPEND_BRCM_TAG 0x0200
|
|
#define DMA_APPEND_CRC 0x0100
|
|
#define USB_ZERO_PKT (1<< 0) // Set to send zero length packet
|
|
};
|
|
uint32 word0;
|
|
};
|
|
|
|
uint32 address; /* address of data */
|
|
} DmaDesc;
|
|
|
|
/*
|
|
** 16 Byte DMA Buffer
|
|
*/
|
|
typedef struct {
|
|
union {
|
|
struct {
|
|
uint16 length; /* in bytes of data in buffer */
|
|
#define DMA_DESC_USEFPM 0x8000
|
|
#define DMA_DESC_MULTICAST 0x4000
|
|
#define DMA_DESC_BUFLENGTH 0x0fff
|
|
uint16 status; /* buffer status */
|
|
#define DMA_OWN 0x8000 /* cleared by DMA, set by SW */
|
|
#define DMA_EOP 0x4000 /* last buffer in packet */
|
|
#define DMA_SOP 0x2000 /* first buffer in packet */
|
|
#define DMA_WRAP 0x1000 /* */
|
|
#define DMA_PRIO 0x0C00 /* Prio for Tx */
|
|
#define DMA_APPEND_BRCM_TAG 0x0200
|
|
#define DMA_APPEND_CRC 0x0100
|
|
#define USB_ZERO_PKT (1<< 0) // Set to send zero length packet
|
|
};
|
|
uint32 word0;
|
|
};
|
|
|
|
uint32 address; /* address of data */
|
|
uint32 control;
|
|
#define GEM_ID_MASK 0x001F
|
|
uint32 reserved;
|
|
} DmaDesc16;
|
|
|
|
|
|
typedef struct USBControl {
|
|
uint32 BrtControl1;
|
|
uint32 BrtControl2;
|
|
uint32 BrtStatus1;
|
|
uint32 BrtStatus2;
|
|
uint32 UTMIControl1;
|
|
#define USB_DEVICE_MODE_SEL (1<<0)
|
|
uint32 TestPortControl;
|
|
uint32 PllControl1;
|
|
uint32 SwapControl;
|
|
#define USB_DEVICE_SEL (1<<6)
|
|
#define EHCI_LOGICAL_ADDRESS_EN (1<<5)
|
|
#define EHCI_ENDIAN_SWAP (1<<4)
|
|
#define EHCI_DATA_SWAP (1<<3)
|
|
#define OHCI_LOGICAL_ADDRESS_EN (1<<2)
|
|
#define OHCI_ENDIAN_SWAP (1<<1)
|
|
#define OHCI_DATA_SWAP (1<<0)
|
|
uint32 GenericControl;
|
|
#define PLL_SUSPEND_EN (1<<1)
|
|
uint32 FrameAdjustValue;
|
|
uint32 Setup;
|
|
#define USBH_IOC (1<<4)
|
|
uint32 MDIO;
|
|
uint32 MDIO32;
|
|
uint32 USBSimControl;
|
|
} USBControl;
|
|
|
|
#define USBH ((volatile USBControl * const) USBH_CFG_BASE)
|
|
|
|
typedef struct EthSwMIBRegs {
|
|
unsigned int TxOctetsLo;
|
|
unsigned int TxOctetsHi;
|
|
unsigned int TxDropPkts;
|
|
unsigned int TxQoSPkts;
|
|
unsigned int TxBroadcastPkts;
|
|
unsigned int TxMulticastPkts;
|
|
unsigned int TxUnicastPkts;
|
|
unsigned int TxCol;
|
|
unsigned int TxSingleCol;
|
|
unsigned int TxMultipleCol;
|
|
unsigned int TxDeferredTx;
|
|
unsigned int TxLateCol;
|
|
unsigned int TxExcessiveCol;
|
|
unsigned int TxFrameInDisc;
|
|
unsigned int TxPausePkts;
|
|
unsigned int TxQoSOctetsLo;
|
|
unsigned int TxQoSOctetsHi;
|
|
unsigned int RxOctetsLo;
|
|
unsigned int RxOctetsHi;
|
|
unsigned int RxUndersizePkts;
|
|
unsigned int RxPausePkts;
|
|
unsigned int Pkts64Octets;
|
|
unsigned int Pkts65to127Octets;
|
|
unsigned int Pkts128to255Octets;
|
|
unsigned int Pkts256to511Octets;
|
|
unsigned int Pkts512to1023Octets;
|
|
unsigned int Pkts1024to1522Octets;
|
|
unsigned int RxOversizePkts;
|
|
unsigned int RxJabbers;
|
|
unsigned int RxAlignErrs;
|
|
unsigned int RxFCSErrs;
|
|
unsigned int RxGoodOctetsLo;
|
|
unsigned int RxGoodOctetsHi;
|
|
unsigned int RxDropPkts;
|
|
unsigned int RxUnicastPkts;
|
|
unsigned int RxMulticastPkts;
|
|
unsigned int RxBroadcastPkts;
|
|
unsigned int RxSAChanges;
|
|
unsigned int RxFragments;
|
|
unsigned int RxExcessSizeDisc;
|
|
unsigned int RxSymbolError;
|
|
unsigned int RxQoSPkts;
|
|
unsigned int RxQoSOctetsLo;
|
|
unsigned int RxQoSOctetsHi;
|
|
unsigned int Pkts1523to2047;
|
|
unsigned int Pkts2048to4095;
|
|
unsigned int Pkts4096to8191;
|
|
unsigned int Pkts8192to9728;
|
|
} EthSwMIBRegs;
|
|
|
|
#define ETHSWMIBREG ((volatile EthSwMIBRegs * const) (SWITCH_BASE + 0x2000))
|
|
|
|
/*
|
|
** PCI-E
|
|
*/
|
|
typedef struct PcieRegs{
|
|
uint32 devVenID;
|
|
uint16 command;
|
|
uint16 status;
|
|
uint32 revIdClassCode;
|
|
uint32 headerTypeLatCacheLineSize;
|
|
uint32 bar1;
|
|
uint32 bar2;
|
|
uint32 priSecBusNo;
|
|
#define PCIE_CFG_TYPE1_PRI_SEC_BUS_NO_SUB_BUS_NO_MASK 0x00ff0000
|
|
#define PCIE_CFG_TYPE1_PRI_SEC_BUS_NO_SUB_BUS_NO_SHIFT 16
|
|
#define PCIE_CFG_TYPE1_PRI_SEC_BUS_NO_SEC_BUS_NO_MASK 0x0000ff00
|
|
#define PCIE_CFG_TYPE1_PRI_SEC_BUS_NO_SEC_BUS_NO_SHIFT 8
|
|
#define PCIE_CFG_TYPE1_PRI_SEC_BUS_NO_PRI_BUS_NO_MASK 0x000000ff
|
|
|
|
uint32 ioBaseLimit;
|
|
uint32 secStatus;
|
|
uint32 rcMemBaseLimit;
|
|
uint32 rcPrefBaseLimit;
|
|
uint32 rcPrefBaseHi;
|
|
uint32 rcPrefLimitHi;
|
|
uint32 rcIoBaseLimit;
|
|
uint32 capPointer;
|
|
uint32 expRomBase;
|
|
uint32 brdigeCtrlIntPinIntLine;
|
|
uint32 bridgeCtrl;
|
|
uint32 unused1[27];
|
|
|
|
/* PcieExpressCtrlRegs */
|
|
uint16 pciExpressCap;
|
|
uint16 pcieCapabilitiy;
|
|
uint32 deviceCapability;
|
|
uint16 deviceControl;
|
|
uint16 deviceStatus;
|
|
uint32 linkCapability;
|
|
uint16 linkControl;
|
|
uint16 linkStatus;
|
|
uint32 slotCapability;
|
|
uint16 slotControl;
|
|
uint16 slotStatus;
|
|
uint16 rootControl;
|
|
uint16 rootCap;
|
|
uint32 rootStatus;
|
|
uint32 deviceCapability2;
|
|
uint16 deviceControl2;
|
|
uint16 deviceStatus2;
|
|
uint32 linkCapability2;
|
|
uint16 linkControl2;
|
|
uint16 linkStatus2;
|
|
uint32 slotCapability2;
|
|
uint16 slotControl2;
|
|
uint16 slotStatus2;
|
|
uint32 unused2[6];
|
|
|
|
/* PcieErrorRegs */
|
|
uint16 advErrCapId;
|
|
uint16 advErrCapOff;
|
|
uint32 ucErrStatus;
|
|
uint32 ucorrErrMask;
|
|
uint32 ucorrErrSevr;
|
|
uint32 corrErrStatus;
|
|
uint32 corrErrMask;
|
|
uint32 advErrCapControl;
|
|
uint32 headerLog1;
|
|
uint32 headerLog2;
|
|
uint32 headerLog3;
|
|
uint32 headerLog4;
|
|
uint32 rootErrorCommand;
|
|
uint32 rootErrorStatus;
|
|
uint32 rcCorrId;
|
|
uint32 rcFatalNonfatalId;
|
|
uint32 unused3[10];
|
|
|
|
/* PcieVcRegs */
|
|
uint16 vcCapId;
|
|
uint16 vcCapOffset;
|
|
uint32 prtVcCapability;
|
|
uint32 portVcCapability2;
|
|
uint16 portVcControl;
|
|
uint16 portVcCtatus;
|
|
uint32 portArbStatus;
|
|
uint32 vcRsrcControl;
|
|
uint32 vcRsrcStatus;
|
|
uint32 unused4[1];
|
|
|
|
/* PcieVendor */
|
|
uint32 vendorCapability;
|
|
uint32 vendorSpecificHdr;
|
|
} PcieRegs;
|
|
|
|
typedef struct PcieBlk404Regs{
|
|
uint32 unused; /* 0x404 */
|
|
uint32 config2; /* 0x408 */
|
|
#define PCIE_IP_BLK404_CONFIG_2_BAR1_SIZE_MASK 0x0000000f
|
|
#define PCIE_IP_BLK404_CONFIG_2_BAR1_DISABLE 0
|
|
uint32 config3; /* 0x40c */
|
|
uint32 pmDataA; /* 0x410 */
|
|
uint32 pmDataB; /* 0x414 */
|
|
} PcieBlk404Regs;
|
|
|
|
typedef struct PcieBlk428Regs{
|
|
uint32 vpdIntf; /* 0x428 */
|
|
uint16 unused_g; /* 0x42c */
|
|
uint16 vpdAddrFlag; /* 0x42e */
|
|
uint32 vpdData; /* 0x430 */
|
|
uint32 idVal1; /* 0x434 */
|
|
uint32 idVal2; /* 0x438 */
|
|
uint32 idVal3; /* 0x43c */
|
|
#define PCIE_IP_BLK428_ID_VAL3_REVISION_ID_MASK 0xff000000
|
|
#define PCIE_IP_BLK428_ID_VAL3_REVISION_ID_SHIFT 24
|
|
#define PCIE_IP_BLK428_ID_VAL3_CLASS_CODE_MASK 0x00ffffff
|
|
#define PCIE_IP_BLK428_ID_VAL3_CLASS_CODE_SHIFT 16
|
|
#define PCIE_IP_BLK428_ID_VAL3_SUB_CLASS_CODE_SHIFT 8
|
|
|
|
uint32 idVal4;
|
|
uint32 idVal5;
|
|
uint32 unused_h;
|
|
uint32 idVal6;
|
|
uint32 msiData;
|
|
uint32 msiAddr_h;
|
|
uint32 msiAddr_l;
|
|
uint32 msiMask;
|
|
uint32 msiPend;
|
|
uint32 pmData_c;
|
|
uint32 msixControl;
|
|
uint32 msixTblOffBir;
|
|
uint32 msixPbaOffBit;
|
|
uint32 unused_k;
|
|
uint32 pcieCapability;
|
|
uint32 deviceCapability;
|
|
uint32 unused_l;
|
|
uint32 linkCapability;
|
|
uint32 bar2Config;
|
|
uint32 pcieDeviceCapability2;
|
|
uint32 pcieLinkCapability2;
|
|
uint32 pcieLinkControl;
|
|
uint32 pcieLinkCapabilityRc;
|
|
uint32 bar3Config;
|
|
uint32 rootCap;
|
|
uint32 devSerNumCapId;
|
|
uint32 lowerSerNum;
|
|
uint32 upperSerNum;
|
|
uint32 advErrCap;
|
|
uint32 pwrBdgtData0;
|
|
uint32 pwrBdgtData1;
|
|
uint32 pwrBdgtData2;
|
|
uint32 pwdBdgtData3;
|
|
uint32 pwrBdgtData4;
|
|
uint32 pwrBdgtData5;
|
|
uint32 pwrBdgtData6;
|
|
uint32 pwrBdgtData7;
|
|
uint32 pwrBdgtCapability;
|
|
uint32 vsecHdr;
|
|
uint32 rcUserMemLo1;
|
|
uint32 rcUserMemHi1;
|
|
uint32 rcUserMemLo2;
|
|
uint32 rcUserMemHi2;
|
|
}PcieBlk428Regs;
|
|
|
|
typedef struct PcieBlk800Regs{
|
|
#define NUM_PCIE_BLK_800_CTRL_REGS 6
|
|
uint32 tlControl[NUM_PCIE_BLK_800_CTRL_REGS];
|
|
uint32 tlCtlStat0;
|
|
uint32 pmStatus0;
|
|
uint32 pmStatus1;
|
|
|
|
#define NUM_PCIE_BLK_800_TAGS 32
|
|
uint32 tlStatus[NUM_PCIE_BLK_800_TAGS];
|
|
uint32 tlHdrFcStatus;
|
|
uint32 tlDataFcStatus;
|
|
uint32 tlHdrFcconStatus;
|
|
uint32 tlDataFcconStatus;
|
|
uint32 tlTargetCreditStatus;
|
|
uint32 tlCreditAllocStatus;
|
|
uint32 tlSmlogicStatus;
|
|
} PcieBlk800Regs;
|
|
|
|
|
|
typedef struct PcieBlk1000Regs{
|
|
#define NUM_PCIE_BLK_1000_PDL_CTRL_REGS 16
|
|
uint32 pdlControl[NUM_PCIE_BLK_1000_PDL_CTRL_REGS];
|
|
uint32 dlattnVec;
|
|
uint32 dlAttnMask;
|
|
uint32 dlStatus; /* 0x1048 */
|
|
#define PCIE_IP_BLK1000_DL_STATUS_PHYLINKUP_MASK 0x00002000
|
|
#define PCIE_IP_BLK1000_DL_STATUS_PHYLINKUP_SHIFT 13
|
|
uint32 dlTxChecksum;
|
|
uint32 dlForcedUpdateGen1;
|
|
uint32 mdioAddr;
|
|
uint32 mdioWrData;
|
|
uint32 mdioRdData;
|
|
uint32 dlRxPFcCl;
|
|
uint32 dlRxCFcCl;
|
|
uint32 dlRxAckNack;
|
|
uint32 dlTxRxSeqnb;
|
|
uint32 dlTxPFcAl;
|
|
uint32 dlTxNpFcAl;
|
|
uint32 regDlSpare;
|
|
uint32 dlRegSpare;
|
|
uint32 dlTxRxSeq;
|
|
uint32 dlRxNpFcCl;
|
|
}PcieBlk1000Regs;
|
|
|
|
typedef struct PcieBlk1800Regs{
|
|
#define NUM_PCIE_BLK_1800_PHY_CTRL_REGS 5
|
|
uint32 phyCtrl[NUM_PCIE_BLK_1800_PHY_CTRL_REGS];
|
|
#define REG_POWERDOWN_P1PLL_ENA (1<<12)
|
|
uint32 phyErrorAttnVec;
|
|
uint32 phyErrorAttnMask;
|
|
uint32 phyReceivedMcpErrors;
|
|
uint32 phyTransmittedMcpErrors;
|
|
uint32 phyGenDebug;
|
|
uint32 phyRecoveryHist;
|
|
#define NUM_PCIE_BLK_1800_PHY_LTSSM_HIST_REGS 3
|
|
uint32 phyltssmHist[NUM_PCIE_BLK_1800_PHY_LTSSM_HIST_REGS];
|
|
#define NUM_PCIE_BLK_1800_PHY_DBG_REGS 11
|
|
uint32 phyDbg[NUM_PCIE_BLK_1800_PHY_DBG_REGS];
|
|
} PcieBlk1800Regs;
|
|
|
|
typedef struct PcieBridgeRegs{
|
|
uint32 bar1Remap; /* 0x0818*/
|
|
#define PCIE_BRIDGE_BAR1_REMAP_addr_MASK 0xffff0000
|
|
#define PCIE_BRIDGE_BAR1_REMAP_addr_MASK_SHIFT 16
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#define PCIE_BRIDGE_BAR1_REMAP_remap_enable (1<<1)
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#define PCIE_BRIDGE_BAR1_REMAP_swap_enable 1
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uint32 bar2Remap; /* 0x081c*/
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#define PCIE_BRIDGE_BAR2_REMAP_addr_MASK 0xffff0000
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#define PCIE_BRIDGE_BAR2_REMAP_addr_MASK_SHIFT 16
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#define PCIE_BRIDGE_BAR2_REMAP_remap_enable (1<<1)
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#define PCIE_BRIDGE_BAR2_REMAP_swap_enable 1
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uint32 bridgeOptReg1; /* 0x0820*/
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#define PCIE_BRIDGE_OPT_REG1_en_l1_int_status_mask_polarity (1<<12)
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#define PCIE_BRIDGE_OPT_REG1_en_pcie_bridge_hole_detection (1<<11)
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#define PCIE_BRIDGE_OPT_REG1_en_rd_reply_be_fix (1<<9)
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#define PCIE_BRIDGE_OPT_REG1_enable_rd_be_opt (1<<7)
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uint32 bridgeOptReg2; /* 0x0824*/
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_func_no_MASK 0xe0000000
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_func_no_SHIFT 29
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_dev_no_MASK 0x1f000000
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_dev_no_SHIFT 24
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_bus_no_MASK 0x00ff0000
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_bus_no_SHIFT 16
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_bd_sel_MASK 0x00000080
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#define PCIE_BRIDGE_OPT_REG2_cfg_type1_bd_sel_SHIFT 7
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#define PCIE_BRIDGE_OPT_REG2_dis_pcie_timeout_MASK 0x00000040
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#define PCIE_BRIDGE_OPT_REG2_dis_pcie_timeout_SHIFT 6
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#define PCIE_BRIDGE_OPT_REG2_dis_pcie_abort_MASK 0x00000020
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#define PCIE_BRIDGE_OPT_REG2_dis_pcie_abort_SHIFT 5
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#define PCIE_BRIDGE_OPT_REG2_enable_tx_crd_chk_MASK 0x00000010
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#define PCIE_BRIDGE_OPT_REG2_enable_tx_crd_chk_SHIFT 4
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#define PCIE_BRIDGE_OPT_REG2_dis_ubus_ur_decode_MASK 0x00000004
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#define PCIE_BRIDGE_OPT_REG2_dis_ubus_ur_decode_SHIFT 2
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#define PCIE_BRIDGE_OPT_REG2_cfg_reserved_MASK 0x0000ff0b
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uint32 Ubus2PcieBar0BaseMask; /* 0x0828 */
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#define PCIE_BRIDGE_BAR0_BASE_base_MASK 0xfff00000
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#define PCIE_BRIDGE_BAR0_BASE_base_MASK_SHIFT 20
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#define PCIE_BRIDGE_BAR0_BASE_mask_MASK 0x0000fff0
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#define PCIE_BRIDGE_BAR0_BASE_mask_MASK_SHIFT 4
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#define PCIE_BRIDGE_BAR0_BASE_swap_enable (1<<1)
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#define PCIE_BRIDGE_BAR0_BASE_remap_enable 1
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uint32 Ubus2PcieBar0RemapAdd; /* 0x082c */
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#define PCIE_BRIDGE_BAR0_REMAP_ADDR_addr_MASK 0xfff00000
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#define PCIE_BRIDGE_BAR0_REMAP_ADDR_addr_SHIFT 20
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uint32 Ubus2PcieBar1BaseMask; /* 0x0830 */
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#define PCIE_BRIDGE_BAR1_BASE_base_MASK 0xfff00000
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#define PCIE_BRIDGE_BAR1_BASE_base_MASK_SHIFT 20
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#define PCIE_BRIDGE_BAR1_BASE_mask_MASK 0x0000fff0
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#define PCIE_BRIDGE_BAR1_BASE_mask_MASK_SHIFT 4
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#define PCIE_BRIDGE_BAR1_BASE_swap_enable (1<<1)
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#define PCIE_BRIDGE_BAR1_BASE_remap_enable 1
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uint32 Ubus2PcieBar1RemapAdd; /* 0x0834 */
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#define PCIE_BRIDGE_BAR1_REMAP_ADDR_addr_MASK 0xfff00000
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#define PCIE_BRIDGE_BAR1_REMAP_ADDR_addr_SHIFT 20
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uint32 bridgeErrStatus; /* 0x0838 */
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uint32 bridgeErrMask; /* 0x083c */
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uint32 coreErrStatus2; /* 0x0840 */
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uint32 coreErrMask2; /* 0x0844 */
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uint32 coreErrStatus1; /* 0x0848 */
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uint32 coreErrMask1; /* 0x084c */
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uint32 rcInterruptStatus; /* 0x0850 */
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uint32 rcInterruptMask; /* 0x0854 */
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#define PCIE_BRIDGE_INTERRUPT_MASK_int_a_MASK (1<<0)
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#define PCIE_BRIDGE_INTERRUPT_MASK_int_b_MASK (1<<1)
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#define PCIE_BRIDGE_INTERRUPT_MASK_int_c_MASK (1<<2)
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#define PCIE_BRIDGE_INTERRUPT_MASK_int_d_MASK (1<<3)
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uint32 ubusToParam; /* 0x0858 */
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uint32 pcieToParam; /* 0x085c */
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uint32 toTickParam; /* 0x0860 */
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uint32 epL1IntMask; /* 0x0864 */
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uint32 epL1IntStatus; /* 0x0868 */
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uint32 unused[4];
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uint32 epL2IntMask; /* 0x087c */
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uint32 epL2IntSetStatus; /* 0x0880 */
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uint32 epL2IntStatus; /* 0x0884 */
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uint32 epCoreLinkRstStatus; /* 0x0888 */
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uint32 epCoreLinkRstMask; /* 0x088c */
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uint32 pcieControl; /* 0x0890 */
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#define PCIE_BRIDGE_CLKREQ_ENABLE (1<<2)
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uint32 pcieStatus; /* 0x0894 */
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}PcieBridgeRegs;
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#define PCIEH_DEV_OFFSET 0x8000
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#define PCIEH ((volatile uint32 * const) PCIE_BASE)
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#define PCIEH_REGS ((volatile PcieRegs * const) PCIE_BASE)
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#define PCIEH_BLK_404_REGS ((volatile PcieBlk404Regs * const) \
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(PCIE_BASE+0x404))
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#define PCIEH_BLK_428_REGS ((volatile PcieBlk428Regs * const) \
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(PCIE_BASE+0x428))
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#define PCIEH_BLK_800_REGS ((volatile PcieBlk800Regs * const) \
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(PCIE_BASE+0x800))
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#define PCIEH_BLK_1000_REGS ((volatile PcieBlk1000Regs * const) \
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(PCIE_BASE+0x1000))
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#define PCIEH_BLK_1800_REGS ((volatile PcieBlk1800Regs * const) \
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(PCIE_BASE+0x1800))
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#define PCIEH_BRIDGE_REGS ((volatile PcieBridgeRegs * const) \
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(PCIE_BASE+0x2818))
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#define PCIEH_MEM1_BASE 0x10f00000
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#define PCIEH_MEM1_SIZE 0x00100000
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#define PCIEH_MEM2_BASE 0xa0000000
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#define PCIEH_MEM2_SIZE 0x01000000
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#ifdef __cplusplus
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}
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#endif
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#endif
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