rockchip: rk3399: add dram driver
add dram driver, and kernel can through sip function talk to bl31 to
do ddr frequency scaling. and ddr auto powerdown.
Change-Id: I0d0f2869aed95e336c6e23ba96a9310985c84840
diff --git a/plat/rockchip/rk3399/drivers/soc/soc.h b/plat/rockchip/rk3399/drivers/soc/soc.h
index 1ea6e5e..906452a 100644
--- a/plat/rockchip/rk3399/drivers/soc/soc.h
+++ b/plat/rockchip/rk3399/drivers/soc/soc.h
@@ -48,6 +48,12 @@
#define NO_PLL_BYPASS (0x00)
#define NO_PLL_PWRDN (0x00)
+#define FBDIV(n) ((0xfff << 16) | n)
+#define POSTDIV2(n) ((0x7 << (12 + 16)) | (n << 12))
+#define POSTDIV1(n) ((0x7 << (8 + 16)) | (n << 8))
+#define REFDIV(n) ((0x3F << 16) | n)
+#define PLL_LOCK(n) ((n >> 31) & 0x1)
+
#define PLL_SLOW_MODE BITS_WITH_WMASK(SLOW_MODE,\
PLL_MODE_MSK, PLL_MODE_SHIFT)
@@ -107,6 +113,31 @@
uint32_t pmucru_gate_con[PMUCRU_GATE_COUNT];
};
+/**************************************************
+ * pmugrf reg, offset
+ **************************************************/
+#define PMUGRF_OSREG(n) (0x300 + (n) * 4)
+
+/**************************************************
+ * DCF reg, offset
+ **************************************************/
+#define DCF_DCF_CTRL 0x0
+#define DCF_DCF_ADDR 0x8
+#define DCF_DCF_ISR 0xc
+#define DCF_DCF_TOSET 0x14
+#define DCF_DCF_TOCMD 0x18
+#define DCF_DCF_CMD_CFG 0x1c
+
+/* DCF_DCF_ISR */
+#define DCF_TIMEOUT (1 << 2)
+#define DCF_ERR (1 << 1)
+#define DCF_DONE (1 << 0)
+
+/* DCF_DCF_CTRL */
+#define DCF_VOP_HW_EN (1 << 2)
+#define DCF_STOP (1 << 1)
+#define DCF_START (1 << 0)
+
#define CYCL_24M_CNT_US(us) (24 * us)
#define CYCL_24M_CNT_MS(ms) (ms * CYCL_24M_CNT_US(1000))
#define CYCL_32K_CNT_MS(ms) (ms * 32)
@@ -256,6 +287,12 @@
#define PWM_DISABLE (0 << 0)
#define PWM_ENABLE (1 << 0)
+/* grf reg offset */
+#define GRF_DDRC0_CON0 0xe380
+#define GRF_DDRC0_CON1 0xe384
+#define GRF_DDRC1_CON0 0xe388
+#define GRF_DDRC1_CON1 0xe38c
+
/*
* When system reset in running state, we want the cpus to be reboot
* from maskrom (system reboot),