arm: maxbcm: Enable SPL to include DDR training code into U-Boot
This patch adds SPL support to the maxbcm MV78460 based board. Including
the fixed DDR configuratrion needed for the DDR training code. And the
the serdes PHY init code.
Signed-off-by: Stefan Roese <sr@denx.de>
Reviewed-by: Luka Perkov <luka.perkov@sartura.hr>
diff --git a/board/maxbcm/maxbcm.c b/board/maxbcm/maxbcm.c
index 7fc83ee..a833cc3 100644
--- a/board/maxbcm/maxbcm.c
+++ b/board/maxbcm/maxbcm.c
@@ -11,6 +11,9 @@
#include <asm/arch/soc.h>
#include <linux/mbus.h>
+#include "../drivers/ddr/mvebu/ddr3_hw_training.h"
+#include "../arch/arm/mvebu-common/serdes/high_speed_env_spec.h"
+
DECLARE_GLOBAL_DATA_PTR;
/* Base addresses for the external device chip selects */
@@ -19,8 +22,84 @@
#define DEV_CS2_BASE 0xe2000000
#define DEV_CS3_BASE 0xe3000000
-/* Needed for dynamic (board-specific) mbus configuration */
-extern struct mvebu_mbus_state mbus_state;
+/* DDR3 static configuration */
+MV_DRAM_MC_INIT ddr3_b0_maxbcm[MV_MAX_DDR3_STATIC_SIZE] = {
+ {0x00001400, 0x7301CC30}, /* DDR SDRAM Configuration Register */
+ {0x00001404, 0x30000820}, /* Dunit Control Low Register */
+ {0x00001408, 0x5515BAAB}, /* DDR SDRAM Timing (Low) Register */
+ {0x0000140C, 0x38DA3F97}, /* DDR SDRAM Timing (High) Register */
+ {0x00001410, 0x20100005}, /* DDR SDRAM Address Control Register */
+ {0x00001414, 0x0000F3FF}, /* DDR SDRAM Open Pages Control Reg */
+ {0x00001418, 0x00000e00}, /* DDR SDRAM Operation Register */
+ {0x0000141C, 0x00000672}, /* DDR SDRAM Mode Register */
+ {0x00001420, 0x00000004}, /* DDR SDRAM Extended Mode Register */
+ {0x00001424, 0x0000F3FF}, /* Dunit Control High Register */
+ {0x00001428, 0x0011A940}, /* Dunit Control High Register */
+ {0x0000142C, 0x014C5134}, /* Dunit Control High Register */
+ {0x0000147C, 0x0000D771},
+
+ {0x00001494, 0x00010000}, /* DDR SDRAM ODT Control (Low) Reg */
+ {0x0000149C, 0x00000001}, /* DDR Dunit ODT Control Register */
+ {0x000014A0, 0x00000001},
+ {0x000014A8, 0x00000101},
+
+ /* Recommended Settings from Marvell for 4 x 16 bit devices: */
+ {0x000014C0, 0x192424C9}, /* DRAM addr and Ctrl Driving Strenght*/
+ {0x000014C4, 0xAAA24C9}, /* DRAM Data and DQS Driving Strenght */
+
+ /*
+ * DO NOT Modify - Open Mbus Window - 2G - Mbus is required for the
+ * training sequence
+ */
+ {0x000200e8, 0x3FFF0E01},
+ {0x00020184, 0x3FFFFFE0}, /* Close fast path Window to - 2G */
+
+ {0x0001504, 0x3FFFFFE1}, /* CS0 Size */
+ {0x000150C, 0x00000000}, /* CS1 Size */
+ {0x0001514, 0x00000000}, /* CS2 Size */
+ {0x000151C, 0x00000000}, /* CS3 Size */
+
+ {0x0020220, 0x00000007}, /* Reserved */
+
+ {0x00001538, 0x0000000B}, /* Read Data Sample Delays Register */
+ {0x0000153C, 0x0000000B}, /* Read Data Ready Delay Register */
+
+ {0x000015D0, 0x00000670}, /* MR0 */
+ {0x000015D4, 0x00000044}, /* MR1 */
+ {0x000015D8, 0x00000018}, /* MR2 */
+ {0x000015DC, 0x00000000}, /* MR3 */
+ {0x000015E0, 0x00000001},
+ {0x000015E4, 0x00203c18}, /* ZQDS Configuration Register */
+ {0x000015EC, 0xF800A225}, /* DDR PHY */
+
+ {0x0, 0x0}
+};
+
+MV_DRAM_MODES maxbcm_ddr_modes[MV_DDR3_MODES_NUMBER] = {
+ {"maxbcm_1600-800", 0xB, 0x5, 0x0, A0, ddr3_b0_maxbcm, NULL},
+};
+
+extern MV_SERDES_CHANGE_M_PHY serdes_change_m_phy[];
+
+/* MAXBCM: SERDES 0-4 PCIE, Serdes 7 = SGMII 0, all others = unconnected */
+MV_BIN_SERDES_CFG maxbcm_serdes_cfg[] = {
+ { MV_PEX_ROOT_COMPLEX, 0x20011111, 0x00000000,
+ { PEX_BUS_MODE_X1, PEX_BUS_MODE_X1, PEX_BUS_DISABLED,
+ PEX_BUS_DISABLED },
+ 0x1f, serdes_change_m_phy
+ }
+};
+
+MV_DRAM_MODES *ddr3_get_static_ddr_mode(void)
+{
+ /* Only one mode supported for this board */
+ return &maxbcm_ddr_modes[0];
+}
+
+MV_BIN_SERDES_CFG *board_serdes_cfg_get(u8 pex_mode)
+{
+ return &maxbcm_serdes_cfg[0];
+}
int board_early_init_f(void)
{