1 /* SPDX-License-Identifier: GPL-2.0+ */
3 * Copyright (c) 2016 Google, Inc
5 #ifndef _ASM_ARCH_SDRAM_AST2500_H
6 #define _ASM_ARCH_SDRAM_AST2500_H
8 #define SDRAM_UNLOCK_KEY 0xfc600309
9 #define SDRAM_VIDEO_UNLOCK_KEY 0x2003000f
11 #define SDRAM_PCR_CKE_EN (1 << 0)
12 #define SDRAM_PCR_AUTOPWRDN_EN (1 << 1)
13 #define SDRAM_PCR_CKE_DELAY_SHIFT 4
14 #define SDRAM_PCR_CKE_DELAY_MASK 7
15 #define SDRAM_PCR_RESETN_DIS (1 << 7)
16 #define SDRAM_PCR_ODT_EN (1 << 8)
17 #define SDRAM_PCR_ODT_AUTO_ON (1 << 10)
18 #define SDRAM_PCR_ODT_EXT_EN (1 << 11)
19 #define SDRAM_PCR_TCKE_PW_SHIFT 12
20 #define SDRAM_PCR_TCKE_PW_MASK 7
21 #define SDRAM_PCR_RGAP_CTRL_EN (1 << 15)
22 #define SDRAM_PCR_MREQI_DIS (1 << 17)
24 /* Fixed priority DRAM Requests mask */
25 #define SDRAM_REQ_VGA_HW_CURSOR (1 << 0)
26 #define SDRAM_REQ_VGA_TEXT_CG_FONT (1 << 1)
27 #define SDRAM_REQ_VGA_TEXT_ASCII (1 << 2)
28 #define SDRAM_REQ_VGA_CRT (1 << 3)
29 #define SDRAM_REQ_SOC_DC_CURSOR (1 << 4)
30 #define SDRAM_REQ_SOC_DC_OCD (1 << 5)
31 #define SDRAM_REQ_SOC_DC_CRT (1 << 6)
32 #define SDRAM_REQ_VIDEO_HIPRI_WRITE (1 << 7)
33 #define SDRAM_REQ_USB20_EHCI1 (1 << 8)
34 #define SDRAM_REQ_USB20_EHCI2 (1 << 9)
35 #define SDRAM_REQ_CPU (1 << 10)
36 #define SDRAM_REQ_AHB2 (1 << 11)
37 #define SDRAM_REQ_AHB (1 << 12)
38 #define SDRAM_REQ_MAC0 (1 << 13)
39 #define SDRAM_REQ_MAC1 (1 << 14)
40 #define SDRAM_REQ_PCIE (1 << 16)
41 #define SDRAM_REQ_XDMA (1 << 17)
42 #define SDRAM_REQ_ENCRYPTION (1 << 18)
43 #define SDRAM_REQ_VIDEO_FLAG (1 << 21)
44 #define SDRAM_REQ_VIDEO_LOW_PRI_WRITE (1 << 28)
45 #define SDRAM_REQ_2D_RW (1 << 29)
46 #define SDRAM_REQ_MEMCHECK (1 << 30)
48 #define SDRAM_ICR_RESET_ALL (1 << 31)
50 #define SDRAM_CONF_CAP_SHIFT 0
51 #define SDRAM_CONF_CAP_MASK 3
52 #define SDRAM_CONF_DDR4 (1 << 4)
53 #define SDRAM_CONF_SCRAMBLE (1 << 8)
54 #define SDRAM_CONF_SCRAMBLE_PAT2 (1 << 9)
55 #define SDRAM_CONF_CACHE_EN (1 << 10)
56 #define SDRAM_CONF_CACHE_INIT_EN (1 << 12)
57 #define SDRAM_CONF_DUALX8 (1 << 13)
58 #define SDRAM_CONF_CACHE_INIT_DONE (1 << 19)
60 #define SDRAM_CONF_CAP_128M 0
61 #define SDRAM_CONF_CAP_256M 1
62 #define SDRAM_CONF_CAP_512M 2
63 #define SDRAM_CONF_CAP_1024M 3
65 #define SDRAM_MISC_DDR4_TREFRESH (1 << 3)
67 #define SDRAM_PHYCTRL0_INIT (1 << 0)
68 #define SDRAM_PHYCTRL0_AUTO_UPDATE (1 << 1)
69 #define SDRAM_PHYCTRL0_NRST (1 << 2)
71 #define SDRAM_REFRESH_CYCLES_SHIFT 0
72 #define SDRAM_REFRESH_CYCLES_MASK 0xf
73 #define SDRAM_REFRESH_ZQCS_EN (1 << 7)
74 #define SDRAM_REFRESH_PERIOD_SHIFT 8
75 #define SDRAM_REFRESH_PERIOD_MASK 0xf
77 #define SDRAM_TEST_LEN_SHIFT 4
78 #define SDRAM_TEST_LEN_MASK 0xfffff
79 #define SDRAM_TEST_START_ADDR_SHIFT 24
80 #define SDRAM_TEST_START_ADDR_MASK 0x3f
82 #define SDRAM_TEST_EN (1 << 0)
83 #define SDRAM_TEST_MODE_SHIFT 1
84 #define SDRAM_TEST_MODE_MASK 3
85 #define SDRAM_TEST_MODE_WO 0
86 #define SDRAM_TEST_MODE_RB 1
87 #define SDRAM_TEST_MODE_RW 2
88 #define SDRAM_TEST_GEN_MODE_SHIFT 3
89 #define SDRAM_TEST_GEN_MODE_MASK 7
90 #define SDRAM_TEST_TWO_MODES (1 << 6)
91 #define SDRAM_TEST_ERRSTOP (1 << 7)
92 #define SDRAM_TEST_DONE (1 << 12)
93 #define SDRAM_TEST_FAIL (1 << 13)
95 #define SDRAM_AC_TRFC_SHIFT 0
96 #define SDRAM_AC_TRFC_MASK 0xff
100 struct ast2500_sdrammc_regs {
103 u32 gm_protection_key;
107 u32 mr46_mode_setting;
108 u32 mr5_mode_setting;
109 u32 mode_setting_control;
110 u32 mr02_mode_setting;
111 u32 mr13_mode_setting;
114 u32 pri_group_setting;
115 u32 max_grant_len[4];
118 u32 first_ecc_err_addr;
119 u32 last_ecc_err_addr;
123 u32 test_fail_dq_bit;
135 #endif /* __ASSEMBLY__ */
137 #endif /* _ASM_ARCH_SDRAM_AST2500_H */