| /* |
| * This file contains the hardware definitions for Gemini. |
| * |
| * Copyright (C) 2009 Paulius Zaleckas <paulius.zaleckas@teltonika.lt> |
| * |
| * This program is free software; you can redistribute it and/or modify |
| * it under the terms of the GNU General Public License as published by |
| * the Free Software Foundation; either version 2 of the License, or |
| * (at your option) any later version. |
| */ |
| #ifndef __MACH_GLOBAL_REG_H |
| #define __MACH_GLOBAL_REG_H |
| |
| /* Global Word ID Register*/ |
| #define GLOBAL_ID 0x00 |
| |
| #define CHIP_ID(reg) ((reg) >> 8) |
| #define CHIP_REVISION(reg) ((reg) & 0xFF) |
| |
| /* Global Status Register */ |
| #define GLOBAL_STATUS 0x04 |
| |
| #define CPU_BIG_ENDIAN (1 << 31) |
| #define PLL_OSC_30M (1 << 30) /* else 60MHz */ |
| |
| #define OPERATION_MODE_MASK (0xF << 26) |
| #define OPM_IDDQ (0xF << 26) |
| #define OPM_NAND (0xE << 26) |
| #define OPM_RING (0xD << 26) |
| #define OPM_DIRECT_BOOT (0xC << 26) |
| #define OPM_USB1_PHY_TEST (0xB << 26) |
| #define OPM_USB0_PHY_TEST (0xA << 26) |
| #define OPM_SATA1_PHY_TEST (0x9 << 26) |
| #define OPM_SATA0_PHY_TEST (0x8 << 26) |
| #define OPM_ICE_ARM (0x7 << 26) |
| #define OPM_ICE_FARADAY (0x6 << 26) |
| #define OPM_PLL_BYPASS (0x5 << 26) |
| #define OPM_DEBUG (0x4 << 26) |
| #define OPM_BURN_IN (0x3 << 26) |
| #define OPM_MBIST (0x2 << 26) |
| #define OPM_SCAN (0x1 << 26) |
| #define OPM_REAL (0x0 << 26) |
| |
| #define FLASH_TYPE_MASK (0x3 << 24) |
| #define FLASH_TYPE_NAND_2K (0x3 << 24) |
| #define FLASH_TYPE_NAND_512 (0x2 << 24) |
| #define FLASH_TYPE_PARALLEL (0x1 << 24) |
| #define FLASH_TYPE_SERIAL (0x0 << 24) |
| /* if parallel */ |
| #define FLASH_WIDTH_16BIT (1 << 23) /* else 8 bit */ |
| /* if serial */ |
| #define FLASH_ATMEL (1 << 23) /* else STM */ |
| |
| #define FLASH_SIZE_MASK (0x3 << 21) |
| #define NAND_256M (0x3 << 21) /* and more */ |
| #define NAND_128M (0x2 << 21) |
| #define NAND_64M (0x1 << 21) |
| #define NAND_32M (0x0 << 21) |
| #define ATMEL_16M (0x3 << 21) /* and more */ |
| #define ATMEL_8M (0x2 << 21) |
| #define ATMEL_4M_2M (0x1 << 21) |
| #define ATMEL_1M (0x0 << 21) /* and less */ |
| #define STM_32M (1 << 22) /* and more */ |
| #define STM_16M (0 << 22) /* and less */ |
| |
| #define FLASH_PARALLEL_HIGH_PIN_CNT (1 << 20) /* else low pin cnt */ |
| |
| #define CPU_AHB_RATIO_MASK (0x3 << 18) |
| #define CPU_AHB_1_1 (0x0 << 18) |
| #define CPU_AHB_3_2 (0x1 << 18) |
| #define CPU_AHB_24_13 (0x2 << 18) |
| #define CPU_AHB_2_1 (0x3 << 18) |
| |
| #define REG_TO_AHB_SPEED(reg) ((((reg) >> 15) & 0x7) * 10 + 130) |
| #define AHB_SPEED_TO_REG(x) ((((x - 130)) / 10) << 15) |
| |
| /* it is posible to override some settings, use >> OVERRIDE_xxxx_SHIFT */ |
| #define OVERRIDE_FLASH_TYPE_SHIFT 16 |
| #define OVERRIDE_FLASH_WIDTH_SHIFT 16 |
| #define OVERRIDE_FLASH_SIZE_SHIFT 16 |
| #define OVERRIDE_CPU_AHB_RATIO_SHIFT 15 |
| #define OVERRIDE_AHB_SPEED_SHIFT 15 |
| |
| /* Global PLL Control Register */ |
| #define GLOBAL_PLL_CTRL 0x08 |
| |
| #define PLL_BYPASS (1 << 31) |
| #define PLL_POWER_DOWN (1 << 8) |
| #define PLL_CONTROL_Q (0x1F << 0) |
| |
| /* Global Soft Reset Control Register */ |
| #define GLOBAL_RESET 0x0C |
| |
| #define RESET_GLOBAL (1 << 31) |
| #define RESET_CPU1 (1 << 30) |
| #define RESET_TVE (1 << 28) |
| #define RESET_SATA1 (1 << 27) |
| #define RESET_SATA0 (1 << 26) |
| #define RESET_CIR (1 << 25) |
| #define RESET_EXT_DEV (1 << 24) |
| #define RESET_WD (1 << 23) |
| #define RESET_GPIO2 (1 << 22) |
| #define RESET_GPIO1 (1 << 21) |
| #define RESET_GPIO0 (1 << 20) |
| #define RESET_SSP (1 << 19) |
| #define RESET_UART (1 << 18) |
| #define RESET_TIMER (1 << 17) |
| #define RESET_RTC (1 << 16) |
| #define RESET_INT1 (1 << 15) |
| #define RESET_INT0 (1 << 14) |
| #define RESET_LCD (1 << 13) |
| #define RESET_LPC (1 << 12) |
| #define RESET_APB (1 << 11) |
| #define RESET_DMA (1 << 10) |
| #define RESET_USB1 (1 << 9) |
| #define RESET_USB0 (1 << 8) |
| #define RESET_PCI (1 << 7) |
| #define RESET_GMAC1 (1 << 6) |
| #define RESET_GMAC0 (1 << 5) |
| #define RESET_SECURITY (1 << 4) |
| #define RESET_RAID (1 << 3) |
| #define RESET_IDE (1 << 2) |
| #define RESET_FLASH (1 << 1) |
| #define RESET_DRAM (1 << 0) |
| |
| /* Global IO Pad Driving Capability Control Register */ |
| #define GLOBAL_IO_DRIVING_CTRL 0x10 |
| |
| #define DRIVING_CURRENT_MASK 0x3 |
| |
| /* here 00-4mA, 01-8mA, 10-12mA, 11-16mA */ |
| #define GPIO1_PADS_31_28_SHIFT 28 |
| #define GPIO0_PADS_31_16_SHIFT 26 |
| #define GPIO0_PADS_15_0_SHIFT 24 |
| #define PCI_AND_EXT_RESET_PADS_SHIFT 22 |
| #define IDE_PADS_SHIFT 20 |
| #define GMAC1_PADS_SHIFT 18 |
| #define GMAC0_PADS_SHIFT 16 |
| /* DRAM is not in mA and poorly documented */ |
| #define DRAM_CLOCK_PADS_SHIFT 8 |
| #define DRAM_DATA_PADS_SHIFT 4 |
| #define DRAM_CONTROL_PADS_SHIFT 0 |
| |
| /* Global IO Pad Slew Rate Control Register */ |
| #define GLOBAL_IO_SLEW_RATE_CTRL 0x14 |
| |
| #define GPIO1_PADS_31_28_SLOW (1 << 10) |
| #define GPIO0_PADS_31_16_SLOW (1 << 9) |
| #define GPIO0_PADS_15_0_SLOW (1 << 8) |
| #define PCI_PADS_SLOW (1 << 7) |
| #define IDE_PADS_SLOW (1 << 6) |
| #define GMAC1_PADS_SLOW (1 << 5) |
| #define GMAC0_PADS_SLOW (1 << 4) |
| #define DRAM_CLOCK_PADS_SLOW (1 << 1) |
| #define DRAM_IO_PADS_SLOW (1 << 0) |
| |
| /* |
| * General skew control defines |
| * 16 steps, each step is around 0.2ns |
| */ |
| #define SKEW_MASK 0xF |
| |
| /* Global IDE PAD Skew Control Register */ |
| #define GLOBAL_IDE_SKEW_CTRL 0x18 |
| |
| #define IDE1_HOST_STROBE_DELAY_SHIFT 28 |
| #define IDE1_DEVICE_STROBE_DELAY_SHIFT 24 |
| #define IDE1_OUTPUT_IO_SKEW_SHIFT 20 |
| #define IDE1_INPUT_IO_SKEW_SHIFT 16 |
| #define IDE0_HOST_STROBE_DELAY_SHIFT 12 |
| #define IDE0_DEVICE_STROBE_DELAY_SHIFT 8 |
| #define IDE0_OUTPUT_IO_SKEW_SHIFT 4 |
| #define IDE0_INPUT_IO_SKEW_SHIFT 0 |
| |
| /* Global GMAC Control Pad Skew Control Register */ |
| #define GLOBAL_GMAC_CTRL_SKEW_CTRL 0x1C |
| |
| #define GMAC1_TXC_SKEW_SHIFT 28 |
| #define GMAC1_TXEN_SKEW_SHIFT 24 |
| #define GMAC1_RXC_SKEW_SHIFT 20 |
| #define GMAC1_RXDV_SKEW_SHIFT 16 |
| #define GMAC0_TXC_SKEW_SHIFT 12 |
| #define GMAC0_TXEN_SKEW_SHIFT 8 |
| #define GMAC0_RXC_SKEW_SHIFT 4 |
| #define GMAC0_RXDV_SKEW_SHIFT 0 |
| |
| /* Global GMAC0 Data PAD Skew Control Register */ |
| #define GLOBAL_GMAC0_DATA_SKEW_CTRL 0x20 |
| /* Global GMAC1 Data PAD Skew Control Register */ |
| #define GLOBAL_GMAC1_DATA_SKEW_CTRL 0x24 |
| |
| #define GMAC_TXD_SKEW_SHIFT(x) (((x) * 4) + 16) |
| #define GMAC_RXD_SKEW_SHIFT(x) ((x) * 4) |
| |
| /* CPU has two AHB busses. */ |
| |
| /* Global Arbitration0 Control Register */ |
| #define GLOBAL_ARBITRATION0_CTRL 0x28 |
| |
| #define BOOT_CONTROLLER_HIGH_PRIO (1 << 3) |
| #define DMA_BUS1_HIGH_PRIO (1 << 2) |
| #define CPU0_HIGH_PRIO (1 << 0) |
| |
| /* Global Arbitration1 Control Register */ |
| #define GLOBAL_ARBITRATION1_CTRL 0x2C |
| |
| #define TVE_HIGH_PRIO (1 << 9) |
| #define PCI_HIGH_PRIO (1 << 8) |
| #define USB1_HIGH_PRIO (1 << 7) |
| #define USB0_HIGH_PRIO (1 << 6) |
| #define GMAC1_HIGH_PRIO (1 << 5) |
| #define GMAC0_HIGH_PRIO (1 << 4) |
| #define SECURITY_HIGH_PRIO (1 << 3) |
| #define RAID_HIGH_PRIO (1 << 2) |
| #define IDE_HIGH_PRIO (1 << 1) |
| #define DMA_BUS2_HIGH_PRIO (1 << 0) |
| |
| /* Common bits for both arbitration registers */ |
| #define BURST_LENGTH_SHIFT 16 |
| #define BURST_LENGTH_MASK (0x3F << 16) |
| |
| /* Miscellaneous Control Register */ |
| #define GLOBAL_MISC_CTRL 0x30 |
| |
| #define MEMORY_SPACE_SWAP (1 << 31) |
| #define USB1_PLUG_MINIB (1 << 30) /* else plug is mini-A */ |
| #define USB0_PLUG_MINIB (1 << 29) |
| #define GMAC_GMII (1 << 28) |
| #define GMAC_1_ENABLE (1 << 27) |
| /* TODO: define ATA/SATA bits */ |
| #define USB1_VBUS_ON (1 << 23) |
| #define USB0_VBUS_ON (1 << 22) |
| #define APB_CLKOUT_ENABLE (1 << 21) |
| #define TVC_CLKOUT_ENABLE (1 << 20) |
| #define EXT_CLKIN_ENABLE (1 << 19) |
| #define PCI_66MHZ (1 << 18) /* else 33 MHz */ |
| #define PCI_CLKOUT_ENABLE (1 << 17) |
| #define LPC_CLKOUT_ENABLE (1 << 16) |
| #define USB1_WAKEUP_ON (1 << 15) |
| #define USB0_WAKEUP_ON (1 << 14) |
| /* TODO: define PCI idle detect bits */ |
| #define TVC_PADS_ENABLE (1 << 9) |
| #define SSP_PADS_ENABLE (1 << 8) |
| #define LCD_PADS_ENABLE (1 << 7) |
| #define LPC_PADS_ENABLE (1 << 6) |
| #define PCI_PADS_ENABLE (1 << 5) |
| #define IDE_PADS_ENABLE (1 << 4) |
| #define DRAM_PADS_POWER_DOWN (1 << 3) |
| #define NAND_PADS_DISABLE (1 << 2) |
| #define PFLASH_PADS_DISABLE (1 << 1) |
| #define SFLASH_PADS_DISABLE (1 << 0) |
| |
| /* Global Clock Control Register */ |
| #define GLOBAL_CLOCK_CTRL 0x34 |
| |
| #define POWER_STATE_G0 (1 << 31) |
| #define POWER_STATE_S1 (1 << 30) /* else it is S3/S4 state */ |
| #define SECURITY_APB_AHB (1 << 29) |
| /* else Security APB clk will be 0.75xAHB */ |
| /* TODO: TVC clock divider */ |
| #define PCI_CLKRUN_ENABLE (1 << 16) |
| #define BOOT_CLK_DISABLE (1 << 13) |
| #define TVC_CLK_DISABLE (1 << 12) |
| #define FLASH_CLK_DISABLE (1 << 11) |
| #define DDR_CLK_DISABLE (1 << 10) |
| #define PCI_CLK_DISABLE (1 << 9) |
| #define IDE_CLK_DISABLE (1 << 8) |
| #define USB1_CLK_DISABLE (1 << 7) |
| #define USB0_CLK_DISABLE (1 << 6) |
| #define SATA1_CLK_DISABLE (1 << 5) |
| #define SATA0_CLK_DISABLE (1 << 4) |
| #define GMAC1_CLK_DISABLE (1 << 3) |
| #define GMAC0_CLK_DISABLE (1 << 2) |
| #define SECURITY_CLK_DISABLE (1 << 1) |
| |
| /* TODO: other registers definitions if needed */ |
| |
| #endif /* __MACH_GLOBAL_REG_H */ |