139 lines
3.8 KiB
C
139 lines
3.8 KiB
C
/*
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* Copyright (c) 2016 Google, Inc
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*
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* SPDX-License-Identifier: GPL-2.0+
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*/
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#ifndef _ASM_ARCH_SDRAM_AST2500_H
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#define _ASM_ARCH_SDRAM_AST2500_H
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#define SDRAM_UNLOCK_KEY 0xfc600309
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#define SDRAM_VIDEO_UNLOCK_KEY 0x2003000f
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#define SDRAM_PCR_CKE_EN (1 << 0)
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#define SDRAM_PCR_AUTOPWRDN_EN (1 << 1)
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#define SDRAM_PCR_CKE_DELAY_SHIFT 4
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#define SDRAM_PCR_CKE_DELAY_MASK 7
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#define SDRAM_PCR_RESETN_DIS (1 << 7)
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#define SDRAM_PCR_ODT_EN (1 << 8)
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#define SDRAM_PCR_ODT_AUTO_ON (1 << 10)
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#define SDRAM_PCR_ODT_EXT_EN (1 << 11)
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#define SDRAM_PCR_TCKE_PW_SHIFT 12
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#define SDRAM_PCR_TCKE_PW_MASK 7
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#define SDRAM_PCR_RGAP_CTRL_EN (1 << 15)
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#define SDRAM_PCR_MREQI_DIS (1 << 17)
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/* Fixed priority DRAM Requests mask */
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#define SDRAM_REQ_VGA_HW_CURSOR (1 << 0)
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#define SDRAM_REQ_VGA_TEXT_CG_FONT (1 << 1)
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#define SDRAM_REQ_VGA_TEXT_ASCII (1 << 2)
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#define SDRAM_REQ_VGA_CRT (1 << 3)
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#define SDRAM_REQ_SOC_DC_CURSOR (1 << 4)
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#define SDRAM_REQ_SOC_DC_OCD (1 << 5)
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#define SDRAM_REQ_SOC_DC_CRT (1 << 6)
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#define SDRAM_REQ_VIDEO_HIPRI_WRITE (1 << 7)
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#define SDRAM_REQ_USB20_EHCI1 (1 << 8)
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#define SDRAM_REQ_USB20_EHCI2 (1 << 9)
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#define SDRAM_REQ_CPU (1 << 10)
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#define SDRAM_REQ_AHB2 (1 << 11)
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#define SDRAM_REQ_AHB (1 << 12)
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#define SDRAM_REQ_MAC0 (1 << 13)
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#define SDRAM_REQ_MAC1 (1 << 14)
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#define SDRAM_REQ_PCIE (1 << 16)
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#define SDRAM_REQ_XDMA (1 << 17)
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#define SDRAM_REQ_ENCRYPTION (1 << 18)
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#define SDRAM_REQ_VIDEO_FLAG (1 << 21)
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#define SDRAM_REQ_VIDEO_LOW_PRI_WRITE (1 << 28)
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#define SDRAM_REQ_2D_RW (1 << 29)
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#define SDRAM_REQ_MEMCHECK (1 << 30)
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#define SDRAM_ICR_RESET_ALL (1 << 31)
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#define SDRAM_CONF_CAP_SHIFT 0
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#define SDRAM_CONF_CAP_MASK 3
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#define SDRAM_CONF_DDR4 (1 << 4)
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#define SDRAM_CONF_SCRAMBLE (1 << 8)
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#define SDRAM_CONF_SCRAMBLE_PAT2 (1 << 9)
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#define SDRAM_CONF_CACHE_EN (1 << 10)
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#define SDRAM_CONF_CACHE_INIT_EN (1 << 12)
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#define SDRAM_CONF_DUALX8 (1 << 13)
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#define SDRAM_CONF_CACHE_INIT_DONE (1 << 19)
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#define SDRAM_CONF_CAP_128M 0
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#define SDRAM_CONF_CAP_256M 1
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#define SDRAM_CONF_CAP_512M 2
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#define SDRAM_CONF_CAP_1024M 3
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#define SDRAM_MISC_DDR4_TREFRESH (1 << 3)
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#define SDRAM_PHYCTRL0_INIT (1 << 0)
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#define SDRAM_PHYCTRL0_AUTO_UPDATE (1 << 1)
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#define SDRAM_PHYCTRL0_NRST (1 << 2)
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#define SDRAM_REFRESH_CYCLES_SHIFT 0
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#define SDRAM_REFRESH_CYCLES_MASK 0xf
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#define SDRAM_REFRESH_ZQCS_EN (1 << 7)
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#define SDRAM_REFRESH_PERIOD_SHIFT 8
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#define SDRAM_REFRESH_PERIOD_MASK 0xf
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#define SDRAM_TEST_LEN_SHIFT 4
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#define SDRAM_TEST_LEN_MASK 0xfffff
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#define SDRAM_TEST_START_ADDR_SHIFT 24
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#define SDRAM_TEST_START_ADDR_MASK 0x3f
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#define SDRAM_TEST_EN (1 << 0)
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#define SDRAM_TEST_MODE_SHIFT 1
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#define SDRAM_TEST_MODE_MASK 3
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#define SDRAM_TEST_MODE_WO 0
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#define SDRAM_TEST_MODE_RB 1
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#define SDRAM_TEST_MODE_RW 2
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#define SDRAM_TEST_GEN_MODE_SHIFT 3
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#define SDRAM_TEST_GEN_MODE_MASK 7
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#define SDRAM_TEST_TWO_MODES (1 << 6)
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#define SDRAM_TEST_ERRSTOP (1 << 7)
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#define SDRAM_TEST_DONE (1 << 12)
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#define SDRAM_TEST_FAIL (1 << 13)
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#define SDRAM_AC_TRFC_SHIFT 0
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#define SDRAM_AC_TRFC_MASK 0xff
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#ifndef __ASSEMBLY__
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struct ast2500_sdrammc_regs {
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u32 protection_key;
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u32 config;
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u32 gm_protection_key;
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u32 refresh_timing;
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u32 ac_timing[3];
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u32 misc_control;
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u32 mr46_mode_setting;
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u32 mr5_mode_setting;
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u32 mode_setting_control;
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u32 mr02_mode_setting;
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u32 mr13_mode_setting;
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u32 power_control;
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u32 req_limit_mask;
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u32 pri_group_setting;
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u32 max_grant_len[4];
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u32 intr_ctrl;
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u32 ecc_range_ctrl;
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u32 first_ecc_err_addr;
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u32 last_ecc_err_addr;
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u32 phy_ctrl[4];
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u32 ecc_test_ctrl;
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u32 test_addr;
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u32 test_fail_dq_bit;
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u32 test_init_val;
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u32 phy_debug_ctrl;
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u32 phy_debug_data;
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u32 reserved1[30];
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u32 scu_passwd;
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u32 reserved2[7];
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u32 scu_mpll;
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u32 reserved3[19];
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u32 scu_hwstrap;
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};
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#endif /* __ASSEMBLY__ */
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#endif /* _ASM_ARCH_SDRAM_AST2500_H */
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