X-Git-Url: http://review.tizen.org/git/?a=blobdiff_plain;f=board%2Fengicam%2Ficorem6%2Ficorem6.c;h=c1520073a77da397144ebcdef7d57b68bd95ebee;hb=023ff2f732077a5b3f96e96f191b1045d45d16c4;hp=a370c8bf8d9f7ed6a3a93b0ebf9414ce44a7b98d;hpb=f160c5c8b9f0593f7eebd4933c196954472ebd51;p=platform%2Fkernel%2Fu-boot.git

diff --git a/board/engicam/icorem6/icorem6.c b/board/engicam/icorem6/icorem6.c
index a370c8b..c152007 100644
--- a/board/engicam/icorem6/icorem6.c
+++ b/board/engicam/icorem6/icorem6.c
@@ -101,6 +101,66 @@ int board_eth_init(bd_t *bis)
 }
 #endif
 
+#ifdef CONFIG_NAND_MXS
+
+#define GPMI_PAD_CTRL0	(PAD_CTL_PKE | PAD_CTL_PUE | PAD_CTL_PUS_100K_UP)
+#define GPMI_PAD_CTRL1	(PAD_CTL_DSE_40ohm | PAD_CTL_SPEED_MED | \
+			PAD_CTL_SRE_FAST)
+#define GPMI_PAD_CTRL2	(GPMI_PAD_CTRL0 | GPMI_PAD_CTRL1)
+
+iomux_v3_cfg_t gpmi_pads[] = {
+	IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_WP_B__NAND_WP_B	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B	| MUX_PAD_CTRL(GPMI_PAD_CTRL0)),
+	IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+	IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07	| MUX_PAD_CTRL(GPMI_PAD_CTRL2)),
+};
+
+static void setup_gpmi_nand(void)
+{
+	struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR;
+
+	/* config gpmi nand iomux */
+	SETUP_IOMUX_PADS(gpmi_pads);
+
+	/* gate ENFC_CLK_ROOT clock first,before clk source switch */
+	clrbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
+
+	/* config gpmi and bch clock to 100 MHz */
+	clrsetbits_le32(&mxc_ccm->cs2cdr,
+			MXC_CCM_CS2CDR_ENFC_CLK_PODF_MASK |
+			MXC_CCM_CS2CDR_ENFC_CLK_PRED_MASK |
+			MXC_CCM_CS2CDR_ENFC_CLK_SEL_MASK,
+			MXC_CCM_CS2CDR_ENFC_CLK_PODF(0) |
+			MXC_CCM_CS2CDR_ENFC_CLK_PRED(3) |
+			MXC_CCM_CS2CDR_ENFC_CLK_SEL(3));
+
+	/* enable ENFC_CLK_ROOT clock */
+	setbits_le32(&mxc_ccm->CCGR2, MXC_CCM_CCGR2_IOMUX_IPT_CLK_IO_MASK);
+
+	/* enable gpmi and bch clock gating */
+	setbits_le32(&mxc_ccm->CCGR4,
+		     MXC_CCM_CCGR4_RAWNAND_U_BCH_INPUT_APB_MASK |
+		     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_BCH_MASK |
+		     MXC_CCM_CCGR4_RAWNAND_U_GPMI_BCH_INPUT_GPMI_IO_MASK |
+		     MXC_CCM_CCGR4_RAWNAND_U_GPMI_INPUT_APB_MASK |
+		     MXC_CCM_CCGR4_PL301_MX6QPER1_BCH_OFFSET);
+
+	/* enable apbh clock gating */
+	setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK);
+}
+#endif
+
 int board_early_init_f(void)
 {
 	SETUP_IOMUX_PADS(uart4_pads);
@@ -113,6 +173,9 @@ int board_init(void)
 	/* Address of boot parameters */
 	gd->bd->bi_boot_params = PHYS_SDRAM + 0x100;
 
+#ifdef CONFIG_NAND_MXS
+	setup_gpmi_nand();
+#endif
 	return 0;
 }