X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Farm%2Finclude%2Fasm%2Femif.h;h=45668ca4dd737f7f0533f8bb363400dbf9f6e57d;hb=33b0f7b5e6665aa77ece288392774b8026a15660;hp=ed251ec8ec19f119180e56a7be186bcc6110fbab;hpb=5fb29f3c48d26981b117b08286bc16ec99d4ca0b;p=oweals%2Fu-boot.git

diff --git a/arch/arm/include/asm/emif.h b/arch/arm/include/asm/emif.h
index ed251ec8ec..45668ca4dd 100644
--- a/arch/arm/include/asm/emif.h
+++ b/arch/arm/include/asm/emif.h
@@ -14,11 +14,15 @@
 #define _EMIF_H_
 #include <asm/types.h>
 #include <common.h>
+#include <asm/io.h>
 
 /* Base address */
 #define EMIF1_BASE				0x4c000000
 #define EMIF2_BASE				0x4d000000
 
+#define EMIF_4D					0x4
+#define EMIF_4D5				0x5
+
 /* Registers shifts, masks and values */
 
 /* EMIF_MOD_ID_REV */
@@ -519,6 +523,7 @@
 
 #define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES	0x0000C1A7
 #define SDRAM_CONFIG_EXT_RD_LVL_4_SAMPLES	0x000001A7
+#define SDRAM_CONFIG_EXT_RD_LVL_11_SAMPLES_ES2 0x0000C1C7
 
 /* DMM */
 #define DMM_BASE			0x4E000040
@@ -580,7 +585,6 @@
 	(0xFF << EMIF_SYS_ADDR_SHIFT))
 
 #define EMIF_EXT_PHY_CTRL_TIMING_REG	0x5
-#define EMIF_EXT_PHY_CTRL_CONST_REG	0x13
 
 /* Reg mapping structure */
 struct emif_reg_struct {
@@ -640,7 +644,9 @@ struct emif_reg_struct {
 	u32 emif_ddr_phy_ctrl_2;
 	u32 padding7[12];
 	u32 emif_rd_wr_exec_thresh;
-	u32 padding8[55];
+	u32 padding8[7];
+	u32 emif_ddr_phy_status[21];
+	u32 padding9[27];
 	u32 emif_ddr_ext_phy_ctrl_1;
 	u32 emif_ddr_ext_phy_ctrl_1_shdw;
 	u32 emif_ddr_ext_phy_ctrl_2;
@@ -689,6 +695,9 @@ struct emif_reg_struct {
 	u32 emif_ddr_ext_phy_ctrl_23_shdw;
 	u32 emif_ddr_ext_phy_ctrl_24;
 	u32 emif_ddr_ext_phy_ctrl_24_shdw;
+	u32 padding[22];
+	u32 emif_ddr_fifo_misaligned_clear_1;
+	u32 emif_ddr_fifo_misaligned_clear_2;
 };
 
 struct dmm_lisa_map_regs {
@@ -696,11 +705,9 @@ struct dmm_lisa_map_regs {
 	u32 dmm_lisa_map_1;
 	u32 dmm_lisa_map_2;
 	u32 dmm_lisa_map_3;
+	u8 is_ma_present;
 };
 
-extern const u32 ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
-extern const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
-
 #define CS0	0
 #define CS1	1
 /* The maximum frequency at which the LPDDR2 interface can operate in Hz*/
@@ -856,13 +863,10 @@ extern const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
 #define DPD_ENABLE	1
 
 /* Maximum delay before Low Power Modes */
-#ifndef CONFIG_OMAP54XX
-#define REG_CS_TIM		0xF
-#else
 #define REG_CS_TIM		0x0
-#endif
-#define REG_SR_TIM		0xF
-#define REG_PD_TIM		0xF
+#define REG_SR_TIM		0x0
+#define REG_PD_TIM		0x0
+
 
 /* EMIF_PWR_MGMT_CTRL register */
 #define EMIF_PWR_MGMT_CTRL (\
@@ -1027,6 +1031,11 @@ extern const u32 ddr3_ext_phy_ctrl_const_base[EMIF_EXT_PHY_CTRL_CONST_REG];
 #define MR8_IO_WIDTH_SHIFT	0x6
 #define MR8_IO_WIDTH_MASK	(0x3 << 0x6)
 
+/* SDRAM TYPE */
+#define EMIF_SDRAM_TYPE_DDR2	0x2
+#define EMIF_SDRAM_TYPE_DDR3	0x3
+#define EMIF_SDRAM_TYPE_LPDDR2	0x4
+
 struct lpddr2_addressing {
 	u8	num_banks;
 	u8	t_REFI_us_x10;
@@ -1109,6 +1118,7 @@ struct emif_regs {
 	u32 freq;
 	u32 sdram_config_init;
 	u32 sdram_config;
+	u32 sdram_config2;
 	u32 ref_ctrl;
 	u32 sdram_tim1;
 	u32 sdram_tim2;
@@ -1129,6 +1139,41 @@ struct emif_regs {
 	u32 emif_rd_wr_exec_thresh;
 };
 
+struct lpddr2_mr_regs {
+	s8 mr1;
+	s8 mr2;
+	s8 mr3;
+	s8 mr10;
+	s8 mr16;
+};
+
+struct read_write_regs {
+	u32 read_reg;
+	u32 write_reg;
+};
+
+static inline u32 get_emif_rev(u32 base)
+{
+	struct emif_reg_struct *emif = (struct emif_reg_struct *)base;
+
+	return (readl(&emif->emif_mod_id_rev) & EMIF_REG_MAJOR_REVISION_MASK)
+		>> EMIF_REG_MAJOR_REVISION_SHIFT;
+}
+
+/*
+ * Get SDRAM type connected to EMIF.
+ * Assuming similar SDRAM parts are connected to both EMIF's
+ * which is typically the case. So it is sufficient to get
+ * SDRAM type from EMIF1.
+ */
+static inline u32 emif_sdram_type(void)
+{
+	struct emif_reg_struct *emif = (struct emif_reg_struct *)EMIF1_BASE;
+
+	return (readl(&emif->emif_sdram_config) &
+		EMIF_REG_SDRAM_TYPE_MASK) >> EMIF_REG_SDRAM_TYPE_SHIFT;
+}
+
 /* assert macros */
 #if defined(DEBUG)
 #define emif_assert(c)	({ if (!(c)) for (;;); })
@@ -1148,12 +1193,14 @@ void emif_get_device_timings(u32 emif_nr,
 #endif
 
 void do_ext_phy_settings(u32 base, const struct emif_regs *regs);
+void get_lpddr2_mr_regs(const struct lpddr2_mr_regs **regs);
 
 #ifndef CONFIG_SYS_EMIF_PRECALCULATED_TIMING_REGS
 extern u32 *const T_num;
 extern u32 *const T_den;
-extern u32 *const emif_sizes;
 #endif
 
 void config_data_eye_leveling_samples(u32 emif_base);
+u32 emif_sdram_type(void);
+const struct read_write_regs *get_bug_regs(u32 *iterations);
 #endif