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authorStefan Agner <stefan@agner.ch>2014-09-12 13:06:36 +0200
committerStefano Babic <sbabic@denx.de>2014-09-16 13:25:45 +0200
commitd6d07a9bec3bc30a58c45f8e6343c92dfef96fee (patch)
tree5855e953fbdbc6b07dab97362b498951c8c2cb20 /board/freescale
parent72d7beabf72867da0a2e4dd37381cc3838ca8316 (diff)
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arm: vf610: add NAND support for vf610twr
This adds NAND support for the Vybrid tower system (TWR-VF65GS10) provided by the vf610_nfc driver. Full 16-Bit bus width is supported. Also an aditional config vf610twr_nand is introduced which gets the environment from NAND. However, booting U-Boot from NAND is not yet possible due to missing boot configuration block (BCB). Signed-off-by: Stefan Agner <stefan@agner.ch>
Diffstat (limited to 'board/freescale')
-rw-r--r--board/freescale/vf610twr/vf610twr.c47
1 files changed, 44 insertions, 3 deletions
diff --git a/board/freescale/vf610twr/vf610twr.c b/board/freescale/vf610twr/vf610twr.c
index 54a9f2c..4d09796 100644
--- a/board/freescale/vf610twr/vf610twr.c
+++ b/board/freescale/vf610twr/vf610twr.c
@@ -278,6 +278,39 @@ static void setup_iomux_i2c(void)
imx_iomux_v3_setup_multiple_pads(i2c0_pads, ARRAY_SIZE(i2c0_pads));
}
+#ifdef CONFIG_NAND_VF610_NFC
+static void setup_iomux_nfc(void)
+{
+ static const iomux_v3_cfg_t nfc_pads[] = {
+ VF610_PAD_PTD31__NF_IO15,
+ VF610_PAD_PTD30__NF_IO14,
+ VF610_PAD_PTD29__NF_IO13,
+ VF610_PAD_PTD28__NF_IO12,
+ VF610_PAD_PTD27__NF_IO11,
+ VF610_PAD_PTD26__NF_IO10,
+ VF610_PAD_PTD25__NF_IO9,
+ VF610_PAD_PTD24__NF_IO8,
+ VF610_PAD_PTD23__NF_IO7,
+ VF610_PAD_PTD22__NF_IO6,
+ VF610_PAD_PTD21__NF_IO5,
+ VF610_PAD_PTD20__NF_IO4,
+ VF610_PAD_PTD19__NF_IO3,
+ VF610_PAD_PTD18__NF_IO2,
+ VF610_PAD_PTD17__NF_IO1,
+ VF610_PAD_PTD16__NF_IO0,
+ VF610_PAD_PTB24__NF_WE_B,
+ VF610_PAD_PTB25__NF_CE0_B,
+ VF610_PAD_PTB27__NF_RE_B,
+ VF610_PAD_PTC26__NF_RB_B,
+ VF610_PAD_PTC27__NF_ALE,
+ VF610_PAD_PTC28__NF_CLE
+ };
+
+ imx_iomux_v3_setup_multiple_pads(nfc_pads, ARRAY_SIZE(nfc_pads));
+}
+#endif
+
+
static void setup_iomux_qspi(void)
{
static const iomux_v3_cfg_t qspi0_pads[] = {
@@ -354,6 +387,8 @@ static void clock_init(void)
CCM_CCGR7_SDHC1_CTRL_MASK);
clrsetbits_le32(&ccm->ccgr9, CCM_REG_CTRL_MASK,
CCM_CCGR9_FEC0_CTRL_MASK | CCM_CCGR9_FEC1_CTRL_MASK);
+ clrsetbits_le32(&ccm->ccgr10, CCM_REG_CTRL_MASK,
+ CCM_CCGR10_NFC_CTRL_MASK);
clrsetbits_le32(&anadig->pll2_ctrl, ANADIG_PLL2_CTRL_POWERDOWN,
ANADIG_PLL2_CTRL_ENABLE | ANADIG_PLL2_CTRL_DIV_SELECT);
@@ -373,14 +408,17 @@ static void clock_init(void)
CCM_CACRR_IPG_CLK_DIV(1) | CCM_CACRR_BUS_CLK_DIV(2) |
CCM_CACRR_ARM_CLK_DIV(0));
clrsetbits_le32(&ccm->cscmr1, CCM_REG_CTRL_MASK,
- CCM_CSCMR1_ESDHC1_CLK_SEL(3) | CCM_CSCMR1_QSPI0_CLK_SEL(3));
+ CCM_CSCMR1_ESDHC1_CLK_SEL(3) | CCM_CSCMR1_QSPI0_CLK_SEL(3) |
+ CCM_CSCMR1_NFC_CLK_SEL(0));
clrsetbits_le32(&ccm->cscdr1, CCM_REG_CTRL_MASK,
CCM_CSCDR1_RMII_CLK_EN);
clrsetbits_le32(&ccm->cscdr2, CCM_REG_CTRL_MASK,
- CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0));
+ CCM_CSCDR2_ESDHC1_EN | CCM_CSCDR2_ESDHC1_CLK_DIV(0) |
+ CCM_CSCDR2_NFC_EN);
clrsetbits_le32(&ccm->cscdr3, CCM_REG_CTRL_MASK,
CCM_CSCDR3_QSPI0_EN | CCM_CSCDR3_QSPI0_DIV(1) |
- CCM_CSCDR3_QSPI0_X2_DIV(1) | CCM_CSCDR3_QSPI0_X4_DIV(3));
+ CCM_CSCDR3_QSPI0_X2_DIV(1) | CCM_CSCDR3_QSPI0_X4_DIV(3) |
+ CCM_CSCDR3_NFC_PRE_DIV(5));
clrsetbits_le32(&ccm->cscmr2, CCM_REG_CTRL_MASK,
CCM_CSCMR2_RMII_CLK_SEL(0));
}
@@ -411,6 +449,9 @@ int board_early_init_f(void)
setup_iomux_enet();
setup_iomux_i2c();
setup_iomux_qspi();
+#ifdef CONFIG_NAND_VF610_NFC
+ setup_iomux_nfc();
+#endif
return 0;
}