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