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3 * Copyright (c) 2011, ARM Limited. All rights reserved.
5 * This program and the accompanying materials
6 * are licensed and made available under the terms and conditions of the BSD License
7 * which accompanies this distribution. The full text of the license may be found at
8 * http://opensource.org/licenses/bsd-license.php
10 * THE PROGRAM IS DISTRIBUTED UNDER THE BSD LICENSE ON AN "AS IS" BASIS,
11 * WITHOUT WARRANTIES OR REPRESENTATIONS OF ANY KIND, EITHER EXPRESS OR IMPLIED.
19 struct pl341_dmc_config
{
20 UINTN base
; // base address for the controller
21 UINTN has_qos
; // has QoS registers
22 UINTN max_chip
; // number of memory chips accessible
48 /* Memory config bit fields */
49 #define DMC_MEMORY_CONFIG_COLUMN_ADDRESS_9 0x1
50 #define DMC_MEMORY_CONFIG_COLUMN_ADDRESS_10 0x2
51 #define DMC_MEMORY_CONFIG_COLUMN_ADDRESS_11 0x3
52 #define DMC_MEMORY_CONFIG_COLUMN_ADDRESS_12 0x4
53 #define DMC_MEMORY_CONFIG_ROW_ADDRESS_11 (0x0 << 3)
54 #define DMC_MEMORY_CONFIG_ROW_ADDRESS_12 (0x1 << 3)
55 #define DMC_MEMORY_CONFIG_ROW_ADDRESS_13 (0x2 << 3)
56 #define DMC_MEMORY_CONFIG_ROW_ADDRESS_14 (0x3 << 3)
57 #define DMC_MEMORY_CONFIG_ROW_ADDRESS_15 (0x4 << 3)
58 #define DMC_MEMORY_CONFIG_ROW_ADDRESS_16 (0x5 << 3)
59 #define DMC_MEMORY_CONFIG_BURST_2 (0x1 << 15)
60 #define DMC_MEMORY_CONFIG_BURST_4 (0x2 << 15)
61 #define DMC_MEMORY_CONFIG_BURST_8 (0x3 << 15)
62 #define DMC_MEMORY_CONFIG_BURST_16 (0x4 << 15)
63 #define DMC_MEMORY_CONFIG_ACTIVE_CHIP_1 (0x0 << 21)
64 #define DMC_MEMORY_CONFIG_ACTIVE_CHIP_2 (0x1 << 21)
65 #define DMC_MEMORY_CONFIG_ACTIVE_CHIP_3 (0x2 << 21)
66 #define DMC_MEMORY_CONFIG_ACTIVE_CHIP_4 (0x3 << 21)
68 #define DMC_MEMORY_CFG2_CLK_ASYNC (0x0 << 0)
69 #define DMC_MEMORY_CFG2_CLK_SYNC (0x1 << 0)
70 #define DMC_MEMORY_CFG2_DQM_INIT (0x1 << 2)
71 #define DMC_MEMORY_CFG2_CKE_INIT (0x1 << 3)
72 #define DMC_MEMORY_CFG2_BANK_BITS_2 (0x0 << 4)
73 #define DMC_MEMORY_CFG2_BANK_BITS_3 (0x3 << 4)
74 #define DMC_MEMORY_CFG2_MEM_WIDTH_16 (0x0 << 6)
75 #define DMC_MEMORY_CFG2_MEM_WIDTH_32 (0x1 << 6)
76 #define DMC_MEMORY_CFG2_MEM_WIDTH_64 (0x2 << 6)
77 #define DMC_MEMORY_CFG2_MEM_WIDTH_RESERVED (0x3 << 6)
81 VOID
PL341DmcInit(struct pl341_dmc_config
*config
);
84 #endif /* PL341DMC_H_ */