ARM: k2g: Add DDR3 configuration for K2G ICE evm

Add configuration settings used by the K2G ICE evm. Also use board
detection to determine which DDR3 configuration to use.

Signed-off-by: Franklin S Cooper Jr <fcooper@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>

diff --git a/board/ti/ks2_evm/ddr3_k2g.c b/board/ti/ks2_evm/ddr3_k2g.c
index 3b12943237b60b079f1ce217499faf5491ab9218..44db335580c60b218e9c9bf96165b4bad9598312 100644 (file)
--- a/board/ti/ks2_evm/ddr3_k2g.c
+++ b/board/ti/ks2_evm/ddr3_k2g.c
@@ -10,7 +10,9 @@
 #include <common.h>
 #include "ddr3_cfg.h"
 #include <asm/arch/ddr3.h>
+#include "board.h"
 
+/* K2G GP EVM DDR3 Configuration */
 struct ddr3_phy_config ddr3phy_800_2g = {
        .pllcr          = 0x000DC000ul,
        .pgcr1_mask     = (IODDRM_MASK | ZCKSEL_MASK),
@@ -61,13 +63,69 @@ struct ddr3_emif_config ddr3_800_2g = {
        .sdrfc          = 0x00000C34ul,
 };
 
+/* K2G ICE evm DDR3 Configuration */
+struct ddr3_phy_config ddr3phy_800_512mb = {
+       .pllcr          = 0x000DC000ul,
+       .pgcr1_mask     = (IODDRM_MASK | ZCKSEL_MASK),
+       .pgcr1_val      = ((1 << 2) | (2 << 7) | (1 << 23)),
+       .ptr0           = 0x42C21590ul,
+       .ptr1           = 0xD05612C0ul,
+       .ptr2           = 0,
+       .ptr3           = 0x06C30D40ul,
+       .ptr4           = 0x06413880ul,
+       .dcr_mask       = (PDQ_MASK | MPRDQ_MASK | BYTEMASK_MASK),
+       .dcr_val        = ((1 << 10)),
+       .dtpr0          = 0x550E6644ul,
+       .dtpr1          = 0x32834200ul,
+       .dtpr2          = 0x50022A00ul,
+       .mr0            = 0x00001430ul,
+       .mr1            = 0x00000006ul,
+       .mr2            = 0x00000008ul,
+       .dtcr           = 0x710035C7ul,
+       .pgcr2          = 0x00F03D09ul,
+       .zq0cr1         = 0x0001005Dul,
+       .zq1cr1         = 0x0001005Bul,
+       .zq2cr1         = 0x0001005Bul,
+       .pir_v1         = 0x00000033ul,
+       .datx8_2_mask   = DXEN_MASK,
+       .datx8_2_val    = 0,
+       .datx8_3_mask   = DXEN_MASK,
+       .datx8_3_val    = 0,
+       .datx8_4_mask   = DXEN_MASK,
+       .datx8_4_val    = 0,
+       .datx8_5_mask   = DXEN_MASK,
+       .datx8_5_val    = 0,
+       .datx8_6_mask   = DXEN_MASK,
+       .datx8_6_val    = 0,
+       .datx8_7_mask   = DXEN_MASK,
+       .datx8_7_val    = 0,
+       .datx8_8_mask   = DXEN_MASK,
+       .datx8_8_val    = 0,
+       .pir_v2         = 0x00000F81ul,
+};
+
+struct ddr3_emif_config ddr3_800_512mb = {
+       .sdcfg          = 0x62006662ul,
+       .sdtim1         = 0x0A385033ul,
+       .sdtim2         = 0x00001CA5ul,
+       .sdtim3         = 0x21ADFF32ul,
+       .sdtim4         = 0x533F067Ful,
+       .zqcfg          = 0x70073200ul,
+       .sdrfc          = 0x00000C34ul,
+};
+
 u32 ddr3_init(void)
 {
        /* Reset DDR3 PHY after PLL enabled */
        ddr3_reset_ddrphy();
 
-       ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_2g);
-       ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_2g);
+       if (board_is_k2g_gp()) {
+               ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_2g);
+               ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_2g);
+       } else if (board_is_k2g_ice()) {
+               ddr3_init_ddrphy(KS2_DDR3A_DDRPHYC, &ddr3phy_800_512mb);
+               ddr3_init_ddremif(KS2_DDR3A_EMIF_CTRL_BASE, &ddr3_800_512mb);
+       }
 
        return 0;
 }