diff options
Diffstat (limited to 'arch/arm/include/asm/arch-aspeed/sdram_ast2500.h')
| -rw-r--r-- | arch/arm/include/asm/arch-aspeed/sdram_ast2500.h | 137 |
1 files changed, 137 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-aspeed/sdram_ast2500.h b/arch/arm/include/asm/arch-aspeed/sdram_ast2500.h new file mode 100644 index 0000000..0bc551f --- /dev/null +++ b/arch/arm/include/asm/arch-aspeed/sdram_ast2500.h @@ -0,0 +1,137 @@ +/* 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 */ |