2 files changed, 263 insertions, 0 deletions
diff --git a/arch/arm/include/asm/arch-aspeed/scu_ast2500.h b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h
new file mode 100644
index 0000000..fc0c01a
--- /dev/null
+++ b/arch/arm/include/asm/arch-aspeed/scu_ast2500.h
@@ -0,0 +1,125 @@
+/*
+ * Copyright (c) 2016 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#ifndef _ASM_ARCH_SCU_AST2500_H
+#define _ASM_ARCH_SCU_AST2500_H
+
+#define SCU_UNLOCK_VALUE		0x1688a8a8
+
+#define SCU_HWSTRAP_VGAMEM_MASK		3
+#define SCU_HWSTRAP_VGAMEM_SHIFT	2
+#define SCU_HWSTRAP_DDR4		(1 << 24)
+#define SCU_HWSTRAP_CLKIN_25MHZ		(1 << 23)
+
+#define SCU_MPLL_DENUM_SHIFT		0
+#define SCU_MPLL_DENUM_MASK		0x1f
+#define SCU_MPLL_NUM_SHIFT		5
+#define SCU_MPLL_NUM_MASK		0xff
+#define SCU_MPLL_POST_SHIFT		13
+#define SCU_MPLL_POST_MASK		0x3f
+
+#define SCU_HPLL_DENUM_SHIFT		0
+#define SCU_HPLL_DENUM_MASK		0x1f
+#define SCU_HPLL_NUM_SHIFT		5
+#define SCU_HPLL_NUM_MASK		0xff
+#define SCU_HPLL_POST_SHIFT		13
+#define SCU_HPLL_POST_MASK		0x3f
+
+#define SCU_MISC2_UARTCLK_SHIFT		24
+
+#define SCU_MISC_UARTCLK_DIV13		(1 << 12)
+
+#ifndef __ASSEMBLY__
+
+struct ast2500_clk_priv {
+	struct ast2500_scu *scu;
+};
+
+struct ast2500_scu {
+	u32 protection_key;
+	u32 sysreset_ctrl1;
+	u32 clk_sel1;
+	u32 clk_stop_ctrl1;
+	u32 freq_counter_ctrl;
+	u32 freq_counter_cmp;
+	u32 intr_ctrl;
+	u32 d2_pll_param;
+	u32 m_pll_param;
+	u32 h_pll_param;
+	u32 d_pll_param;
+	u32 misc_ctrl1;
+	u32 pci_config[3];
+	u32 sysreset_status;
+	u32 vga_handshake[2];
+	u32 mac_clk_delay;
+	u32 misc_ctrl2;
+	u32 vga_scratch[8];
+	u32 hwstrap;
+	u32 rng_ctrl;
+	u32 rng_data;
+	u32 rev_id;
+	u32 pinmux_ctrl[6];
+	u32 reserved0;
+	u32 extrst_sel;
+	u32 pinmux_ctrl1[4];
+	u32 reserved1[2];
+	u32 mac_clk_delay_100M;
+	u32 mac_clk_delay_10M;
+	u32 wakeup_enable;
+	u32 wakeup_control;
+	u32 reserved2[3];
+	u32 sysreset_ctrl2;
+	u32 clk_sel2;
+	u32 clk_stop_ctrl2;
+	u32 freerun_counter;
+	u32 freerun_counter_ext;
+	u32 clk_duty_meas_ctrl;
+	u32 clk_duty_meas_res;
+	u32 reserved3[4];
+	/* The next registers are not key-protected */
+	struct ast2500_cpu2 {
+		u32 ctrl;
+		u32 base_addr[9];
+		u32 cache_ctrl;
+	} cpu2;
+	u32 reserved4;
+	u32 d_pll_ext_param[3];
+	u32 d2_pll_ext_param[3];
+	u32 mh_pll_ext_param;
+	u32 reserved5;
+	u32 chip_id[2];
+	u32 reserved6[2];
+	u32 uart_clk_ctrl;
+	u32 reserved7[7];
+	u32 pcie_config;
+	u32 mmio_decode;
+	u32 reloc_ctrl_decode[2];
+	u32 mailbox_addr;
+	u32 shared_sram_decode[2];
+	u32 bmc_rev_id;
+	u32 reserved8;
+	u32 bmc_device_id;
+	u32 reserved9[13];
+	u32 clk_duty_sel;
+};
+
+/**
+ * ast_get_clk() - get a pointer to Clock Driver
+ *
+ * @devp, OUT - pointer to Clock Driver
+ * @return zero on success, error code (< 0) otherwise.
+ */
+int ast_get_clk(struct udevice **devp);
+
+/**
+ * ast_get_scu() - get a pointer to SCU registers
+ *
+ * @return pointer to struct ast2500_scu on success, ERR_PTR otherwise
+ */
+void *ast_get_scu(void);
+
+#endif  /* __ASSEMBLY__ */
+
+#endif  /* _ASM_ARCH_SCU_AST2500_H */
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..a5f8615
--- /dev/null
+++ b/arch/arm/include/asm/arch-aspeed/sdram_ast2500.h
@@ -0,0 +1,138 @@
+/*
+ * Copyright (c) 2016 Google, Inc
+ *
+ * SPDX-License-Identifier:	GPL-2.0+
+ */
+#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 */