* [U-Boot] [PATCH 2/3] imx: nand: update GPMI NAND driver to support MX7
2015-12-22 9:04 [U-Boot] [PATCH 1/3] imx: apbh_dma: Update APBH-DMA for MX7D Peng Fan
@ 2015-12-22 9:04 ` Peng Fan
2016-01-24 11:10 ` Stefano Babic
2015-12-22 9:04 ` [U-Boot] [PATCH 3/3] imx: mx7dsabresd: support nand Peng Fan
2016-01-24 11:10 ` [U-Boot] [PATCH 1/3] imx: apbh_dma: Update APBH-DMA for MX7D Stefano Babic
2 siblings, 1 reply; 6+ messages in thread
From: Peng Fan @ 2015-12-22 9:04 UTC (permalink / raw)
To: u-boot
From: Peng Fan <peng.fan@nxp.com>
Update GPMI NAND driver and BCH head file to support i.MX7
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---
arch/arm/include/asm/imx-common/regs-bch.h | 4 ++--
drivers/mtd/nand/mxs_nand.c | 4 ++--
2 files changed, 4 insertions(+), 4 deletions(-)
diff --git a/arch/arm/include/asm/imx-common/regs-bch.h b/arch/arm/include/asm/imx-common/regs-bch.h
index 5c47783..adfbace 100644
--- a/arch/arm/include/asm/imx-common/regs-bch.h
+++ b/arch/arm/include/asm/imx-common/regs-bch.h
@@ -123,7 +123,7 @@ struct mxs_bch_regs {
#define BCH_FLASHLAYOUT0_NBLOCKS_OFFSET 24
#define BCH_FLASHLAYOUT0_META_SIZE_MASK (0xff << 16)
#define BCH_FLASHLAYOUT0_META_SIZE_OFFSET 16
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
#define BCH_FLASHLAYOUT0_ECC0_MASK (0x1f << 11)
#define BCH_FLASHLAYOUT0_ECC0_OFFSET 11
#else
@@ -154,7 +154,7 @@ struct mxs_bch_regs {
#define BCH_FLASHLAYOUT1_PAGE_SIZE_MASK (0xffff << 16)
#define BCH_FLASHLAYOUT1_PAGE_SIZE_OFFSET 16
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
#define BCH_FLASHLAYOUT1_ECCN_MASK (0x1f << 11)
#define BCH_FLASHLAYOUT1_ECCN_OFFSET 11
#else
diff --git a/drivers/mtd/nand/mxs_nand.c b/drivers/mtd/nand/mxs_nand.c
index f15cf36..ba019a0 100644
--- a/drivers/mtd/nand/mxs_nand.c
+++ b/drivers/mtd/nand/mxs_nand.c
@@ -30,7 +30,7 @@
#define MXS_NAND_DMA_DESCRIPTOR_COUNT 4
#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE 512
-#if defined(CONFIG_MX6)
+#if (defined(CONFIG_MX6) || defined(CONFIG_MX7))
#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 2
#else
#define MXS_NAND_CHUNK_DATA_CHUNK_SIZE_SHIFT 0
@@ -152,7 +152,7 @@ static inline uint32_t mxs_nand_get_ecc_strength(uint32_t page_data_size,
int max_ecc_strength_supported;
/* Refer to Chapter 17 for i.MX6DQ, Chapter 18 for i.MX6SX */
- if (is_cpu_type(MXC_CPU_MX6SX))
+ if (is_cpu_type(MXC_CPU_MX6SX) || is_soc_type(MXC_SOC_MX7))
max_ecc_strength_supported = 62;
else
max_ecc_strength_supported = 40;
--
2.6.2
^ permalink raw reply related [flat|nested] 6+ messages in thread* [U-Boot] [PATCH 3/3] imx: mx7dsabresd: support nand
2015-12-22 9:04 [U-Boot] [PATCH 1/3] imx: apbh_dma: Update APBH-DMA for MX7D Peng Fan
2015-12-22 9:04 ` [U-Boot] [PATCH 2/3] imx: nand: update GPMI NAND driver to support MX7 Peng Fan
@ 2015-12-22 9:04 ` Peng Fan
2016-01-24 11:10 ` Stefano Babic
2016-01-24 11:10 ` [U-Boot] [PATCH 1/3] imx: apbh_dma: Update APBH-DMA for MX7D Stefano Babic
2 siblings, 1 reply; 6+ messages in thread
From: Peng Fan @ 2015-12-22 9:04 UTC (permalink / raw)
To: u-boot
From: Peng Fan <peng.fan@nxp.com>
Add pinmux settings.
Add related macro definitions.
Nand pin conflicts with emmc, so if want to enable nand, need to do
hardware rework. After hardware rework, define CONFIG_NAND_MXS in
board header file.
Signed-off-by: Peng Fan <peng.fan@nxp.com>
Cc: Stefano Babic <sbabic@denx.de>
---
board/freescale/mx7dsabresd/mx7dsabresd.c | 39 +++++++++++++++++++++++++++++++
include/configs/mx7dsabresd.h | 25 ++++++++++++++++++++
2 files changed, 64 insertions(+)
diff --git a/board/freescale/mx7dsabresd/mx7dsabresd.c b/board/freescale/mx7dsabresd/mx7dsabresd.c
index 12327c2..3d520d6 100644
--- a/board/freescale/mx7dsabresd/mx7dsabresd.c
+++ b/board/freescale/mx7dsabresd/mx7dsabresd.c
@@ -47,6 +47,9 @@ DECLARE_GLOBAL_DATA_PTR;
#define QSPI_PAD_CTRL \
(PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUE | PAD_CTL_PUS_PU47KOHM)
+#define NAND_PAD_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_SRE_SLOW | PAD_CTL_HYS)
+
+#define NAND_PAD_READY0_CTRL (PAD_CTL_DSE_3P3V_49OHM | PAD_CTL_PUS_PU5KOHM)
#ifdef CONFIG_SYS_I2C_MXC
#define PC MUX_PAD_CTRL(I2C_PAD_CTRL)
/* I2C1 for PMIC */
@@ -196,6 +199,38 @@ static void iox74lv_init(void)
gpio_direction_output(IOX_STCP, 1);
};
+#ifdef CONFIG_NAND_MXS
+static iomux_v3_cfg_t const gpmi_pads[] = {
+ MX7D_PAD_SD3_DATA0__NAND_DATA00 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA1__NAND_DATA01 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA2__NAND_DATA02 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA3__NAND_DATA03 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA4__NAND_DATA04 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA5__NAND_DATA05 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA6__NAND_DATA06 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_DATA7__NAND_DATA07 | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_CLK__NAND_CLE | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_CMD__NAND_ALE | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_STROBE__NAND_RE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SD3_RESET_B__NAND_WE_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_MCLK__NAND_WP_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_RX_BCLK__NAND_CE3_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_RX_SYNC__NAND_CE2_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_RX_DATA__NAND_CE1_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_TX_BCLK__NAND_CE0_B | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_TX_SYNC__NAND_DQS | MUX_PAD_CTRL(NAND_PAD_CTRL),
+ MX7D_PAD_SAI1_TX_DATA__NAND_READY_B | MUX_PAD_CTRL(NAND_PAD_READY0_CTRL),
+};
+
+static void setup_gpmi_nand(void)
+{
+ imx_iomux_v3_setup_multiple_pads(gpmi_pads, ARRAY_SIZE(gpmi_pads));
+
+ /* NAND_USDHC_BUS_CLK is set in rom */
+ set_clk_nand();
+}
+#endif
+
#ifdef CONFIG_VIDEO_MXS
static iomux_v3_cfg_t const lcd_pads[] = {
MX7D_PAD_LCD_CLK__LCD_CLK | MUX_PAD_CTRL(LCD_PAD_CTRL),
@@ -493,6 +528,10 @@ int board_init(void)
setup_fec();
#endif
+#ifdef CONFIG_NAND_MXS
+ setup_gpmi_nand();
+#endif
+
#ifdef CONFIG_VIDEO_MXS
setup_lcd();
#endif
diff --git a/include/configs/mx7dsabresd.h b/include/configs/mx7dsabresd.h
index 22e515c..d23e4f3 100644
--- a/include/configs/mx7dsabresd.h
+++ b/include/configs/mx7dsabresd.h
@@ -179,8 +179,33 @@
#define CONFIG_SYS_NO_FLASH
#define CONFIG_ENV_SIZE SZ_8K
#define CONFIG_ENV_IS_IN_MMC
+
+/*
+ * If want to use nand, define CONFIG_NAND_MXS and rework board
+ * to support nand, since emmc has pin conflicts with nand
+ */
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_CMD_NAND
+#define CONFIG_CMD_NAND_TRIMFFS
+
+/* NAND stuff */
+#define CONFIG_SYS_MAX_NAND_DEVICE 1
+#define CONFIG_SYS_NAND_BASE 0x40000000
+#define CONFIG_SYS_NAND_5_ADDR_CYCLE
+#define CONFIG_SYS_NAND_ONFI_DETECTION
+
+/* DMA stuff, needed for GPMI/MXS NAND support */
+#define CONFIG_APBH_DMA
+#define CONFIG_APBH_DMA_BURST
+#define CONFIG_APBH_DMA_BURST8
+#endif
+
#define CONFIG_ENV_OFFSET (8 * SZ_64K)
+#ifdef CONFIG_NAND_MXS
+#define CONFIG_SYS_FSL_USDHC_NUM 1
+#else
#define CONFIG_SYS_FSL_USDHC_NUM 2
+#endif
#define CONFIG_SYS_MMC_ENV_DEV 0 /* USDHC1 */
#define CONFIG_SYS_MMC_ENV_PART 0 /* user area */
--
2.6.2
^ permalink raw reply related [flat|nested] 6+ messages in thread