#define CK_TO_NS(ck) (((ck) * 1000 + SDRAM_CLK / 2) / SDRAM_CLK)
#define NS_TO_CK(ns) (((ns) * SDRAM_CLK + 999) / 1000)
#define NS_TO_CK10(ns) DIV_ROUND_UP(NS_TO_CK(ns), 10)
+#define NS_TO_CK100(ns) DIV_ROUND_UP(NS_TO_CK(ns), 100)
.macro CK_VAL, name, clks, offs, max
.iflt \clks - \offs
#define ADDR_MIRROR 0
#define DDR_TYPE ESDMISC_DDR_TYPE_DDR3
-/* 512/1024MiB SDRAM: NT5CB128M16FP-DII */
#if SDRAM_CLK > 666 && SDRAM_CLK <= 800
#define CL_VAL 11
#define CWL_VAL 8
#error SDRAM clock out of range: 303 .. 800
#endif
+#if SDRAM_SIZE < 2048
+/* 512/1024MiB SDRAM: NT5CB128M16FP-DII */
/* ESDCFG0 0x0c */
NS_VAL tRFC, 160, 1, 255 /* clks - 1 (0..255) */
CK_MAX tXS, NS_TO_CK(CK_TO_NS(tRFC + 1) + 10), 5, 1, 255 /* clks - 1 (0..255) tRFC + 10 */
/* ESDOR 0x30 */
CK_MAX tXPR, NS_TO_CK(CK_TO_NS(tRFC + 1) + 10), 5, 1, 255 /* clks - 1 (0..255) max(tRFC + 10, 5CK) */
+#else
+/* 4096MiB SDRAM: IM4G16D3EABG-125I */
+/* ESDCFG0 0x0c */
+NS_VAL tRFC, 260, 1, 255 /* clks - 1 (0..255) */
+CK_MAX tXS, NS_TO_CK(CK_TO_NS(tRFC + 1) + 10), 5, 1, 255 /* clks - 1 (0..255) tRFC + 10 */
+CK_MAX tXP, NS_TO_CK(6), 3, 1, 7 /* clks - 1 (0..7) */ /* max(3tCK, 7.5ns) */
+CK_MAX tXPDLL, NS_TO_CK(24), 2, 1, 15 /* clks - 1 (0..15) */
+NS_VAL tFAW, 30, 1, 31 /* clks - 1 (0..31) */
+CK_VAL tCL, CL_VAL, 3, 8 /* clks - 3 (0..8) CAS Latency */
+
+/* ESDCFG1 0x10 */
+CK_VAL tRCD, NS_TO_CK100(1375), 1, 7 /* clks - 1 (0..7) */ /* 13.75 */
+CK_VAL tRP, NS_TO_CK100(1375), 1, 7 /* clks - 1 (0..7) */ /* 13.75 */
+CK_VAL tRC, NS_TO_CK100(4875), 1, 31 /* clks - 1 (0..31) */ /* 48.75 */
+CK_VAL tRAS, NS_TO_CK(35), 1, 31 /* clks - 1 (0..31) */ /* 35 */
+CK_VAL tRPA, 1, 0, 1 /* clks (0..1) */
+NS_VAL tWR, 15, 1, 15 /* clks - 1 (0..15) */
+CK_VAL tMRD, 4, 1, 15 /* clks - 1 (0..15) */
+CK_VAL tCWL, CWL_VAL, 2, 6 /* clks - 2 (0..6) */
+
+/* ESDCFG2 0x14 */
+CK_VAL tDLLK, 512, 1, 511 /* clks - 1 (0..511) */
+CK_MAX tRTP, NS_TO_CK10(75), 4, 1, 7 /* clks - 1 (0..7) */ /* max(4tCK, 7.5ns) */
+CK_MAX tWTR, NS_TO_CK10(75), 4, 1, 7 /* clks - 1 (0..7) */ /* max(4tCK, 7.5ns) */
+CK_MAX tRRD, NS_TO_CK10(75), 4, 1, 7 /* clks - 1 (0..7) */ /* max(4tCK, 7.5ns) */
+
+/* ESDOR 0x30 */
+CK_MAX tXPR, NS_TO_CK(CK_TO_NS(tRFC + 1) + 10), 5, 1, 255 /* clks - 1 (0..255) max(tRFC + 10, 5CK) */
+#endif
+
#define tSDE_RST (DIV_ROUND_UP(200000, ESDOR_CLK_PERIOD_ns) + 1)
/* Add an extra (or two?) ESDOR_CLK_PERIOD_ns according to
* erroneous Erratum Engcm12377
*/
#define tRST_CKE (DIV_ROUND_UP(500000 + 2 * ESDOR_CLK_PERIOD_ns, ESDOR_CLK_PERIOD_ns) + 1)
-
/* ESDOTC 0x08 */
CK_VAL tAOFPD, NS_TO_CK10(85), 1, 7 /* clks - 1 (0..7) */ /* 8.5ns */
CK_VAL tAONPD, NS_TO_CK10(85), 1, 7 /* clks - 1 (0..7) */ /* 8.5ns */