diff options
| author | Nikita Kiryanov | 2014-08-20 15:09:01 +0300 |
|---|---|---|
| committer | Stefano Babic | 2014-09-09 15:37:07 +0200 |
| commit | a6b0652bb5040351eeb1a2580270bd3988cb0a59 (patch) | |
| tree | 61aba4c95ddb25b651ba9c8ffe64a0c6285b88e5 /board | |
| parent | e32028a70ba2be17732b21f98b242d9fe3d977cf (diff) | |
arm: mx6: cm_fx6: add nand support
Add NAND support for Compulab CM-FX6 CoM.
Cc: Igor Grinberg <grinberg@compulab.co.il>
Cc: Stefano Babic <sbabic@denx.de>
Cc: Tom Rini <trini@ti.com>
Acked-by: Igor Grinberg <grinberg@compulab.co.il>
Signed-off-by: Nikita Kiryanov <nikita@compulab.co.il>
Diffstat (limited to 'board')
| -rw-r--r-- | board/compulab/cm_fx6/cm_fx6.c | 37 | ||||
| -rw-r--r-- | board/compulab/cm_fx6/spl.c | 11 |
2 files changed, 48 insertions, 0 deletions
diff --git a/board/compulab/cm_fx6/cm_fx6.c b/board/compulab/cm_fx6/cm_fx6.c index b5895816cb0..17c3ee5aef4 100644 --- a/board/compulab/cm_fx6/cm_fx6.c +++ b/board/compulab/cm_fx6/cm_fx6.c @@ -10,11 +10,46 @@ #include <common.h> #include <fsl_esdhc.h> +#include <asm/arch/crm_regs.h> #include <asm/arch/sys_proto.h> +#include <asm/io.h> #include "common.h" DECLARE_GLOBAL_DATA_PTR; +#ifdef CONFIG_NAND_MXS +static iomux_v3_cfg_t const nand_pads[] = { + IOMUX_PADS(PAD_NANDF_CLE__NAND_CLE | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_ALE__NAND_ALE | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_CS0__NAND_CE0_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_RB0__NAND_READY_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D0__NAND_DATA00 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D1__NAND_DATA01 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D2__NAND_DATA02 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D3__NAND_DATA03 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D4__NAND_DATA04 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D5__NAND_DATA05 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D6__NAND_DATA06 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_NANDF_D7__NAND_DATA07 | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CMD__NAND_RE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), + IOMUX_PADS(PAD_SD4_CLK__NAND_WE_B | MUX_PAD_CTRL(NO_PAD_CTRL)), +}; + +static void cm_fx6_setup_gpmi_nand(void) +{ + SETUP_IOMUX_PADS(nand_pads); + /* Enable clock roots */ + enable_usdhc_clk(1, 3); + enable_usdhc_clk(1, 4); + + setup_gpmi_io_clk(MXC_CCM_CS2CDR_ENFC_CLK_PODF(0xf) | + MXC_CCM_CS2CDR_ENFC_CLK_PRED(1) | + MXC_CCM_CS2CDR_ENFC_CLK_SEL(0)); +} +#else +static void cm_fx6_setup_gpmi_nand(void) {} +#endif + #ifdef CONFIG_FSL_ESDHC static struct fsl_esdhc_cfg usdhc_cfg[3] = { {USDHC1_BASE_ADDR}, @@ -47,6 +82,8 @@ int board_mmc_init(bd_t *bis) int board_init(void) { gd->bd->bi_boot_params = PHYS_SDRAM_1 + 0x100; + cm_fx6_setup_gpmi_nand(); + return 0; } diff --git a/board/compulab/cm_fx6/spl.c b/board/compulab/cm_fx6/spl.c index a3abc7b3f32..3948ba23ae9 100644 --- a/board/compulab/cm_fx6/spl.c +++ b/board/compulab/cm_fx6/spl.c @@ -15,6 +15,7 @@ #include <asm/arch/mx6-ddr.h> #include <asm/arch/clock.h> #include <asm/arch/sys_proto.h> +#include <asm/arch/crm_regs.h> #include <asm/imx-common/iomux-v3.h> #include <fsl_esdhc.h> #include "common.h" @@ -309,7 +310,17 @@ static void cm_fx6_setup_ecspi(void) { } void board_init_f(ulong dummy) { + struct mxc_ccm_reg *mxc_ccm = (struct mxc_ccm_reg *)CCM_BASE_ADDR; + gd = &gdata; + /* + * We don't use DMA in SPL, but we do need it in U-Boot. U-Boot + * initializes DMA very early (before all board code), so the only + * opportunity we have to initialize APBHDMA clocks is in SPL. + */ + setbits_le32(&mxc_ccm->CCGR0, MXC_CCM_CCGR0_APBHDMA_MASK); + enable_usdhc_clk(1, 2); + arch_cpu_init(); timer_init(); cm_fx6_setup_ecspi(); |