mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-25 22:20:45 +00:00
7edf5c45f0
Add i.MX7ULP support. The buadrate calculation on i.MX7ULP is different,so add a new setbrg function for i.MX7ULP. Add a enum lpuart_devtype for runtime check for different platforms. Signed-off-by: Peng Fan <peng.fan@nxp.com> Cc: Stefano Babic <sbabic@denx.de> Cc: Bhuvanchandra DV <bhuvanchandra.dv@toradex.com> Cc: York Sun <york.sun@nxp.com> Cc: Shaohui Xie <Shaohui.Xie@nxp.com> Cc: Alison Wang <b18965@freescale.com>
72 lines
1.1 KiB
C
72 lines
1.1 KiB
C
/*
|
|
* Copyright 2016 Freescale Semiconductor, Inc.
|
|
*
|
|
* SPDX-License-Identifier: GPL-2.0+
|
|
*
|
|
*/
|
|
|
|
#ifdef CONFIG_ARCH_MX7ULP
|
|
struct lpuart_fsl_reg32 {
|
|
u32 verid;
|
|
u32 param;
|
|
u32 global;
|
|
u32 pincfg;
|
|
u32 baud;
|
|
u32 stat;
|
|
u32 ctrl;
|
|
u32 data;
|
|
u32 match;
|
|
u32 modir;
|
|
u32 fifo;
|
|
u32 water;
|
|
};
|
|
#else
|
|
struct lpuart_fsl_reg32 {
|
|
u32 baud;
|
|
u32 stat;
|
|
u32 ctrl;
|
|
u32 data;
|
|
u32 match;
|
|
u32 modir;
|
|
u32 fifo;
|
|
u32 water;
|
|
};
|
|
#endif
|
|
|
|
struct lpuart_fsl {
|
|
u8 ubdh;
|
|
u8 ubdl;
|
|
u8 uc1;
|
|
u8 uc2;
|
|
u8 us1;
|
|
u8 us2;
|
|
u8 uc3;
|
|
u8 ud;
|
|
u8 uma1;
|
|
u8 uma2;
|
|
u8 uc4;
|
|
u8 uc5;
|
|
u8 ued;
|
|
u8 umodem;
|
|
u8 uir;
|
|
u8 reserved;
|
|
u8 upfifo;
|
|
u8 ucfifo;
|
|
u8 usfifo;
|
|
u8 utwfifo;
|
|
u8 utcfifo;
|
|
u8 urwfifo;
|
|
u8 urcfifo;
|
|
u8 rsvd[28];
|
|
};
|
|
|
|
/* Used on i.MX7ULP */
|
|
#define LPUART_BAUD_BOTHEDGE_MASK (0x20000)
|
|
#define LPUART_BAUD_OSR_MASK (0x1F000000)
|
|
#define LPUART_BAUD_OSR_SHIFT (24)
|
|
#define LPUART_BAUD_OSR(x) ((((uint32_t)(x)) << 24) & 0x1F000000)
|
|
#define LPUART_BAUD_SBR_MASK (0x1FFF)
|
|
#define LPUART_BAUD_SBR_SHIFT (0U)
|
|
#define LPUART_BAUD_SBR(x) (((uint32_t)(x)) & 0x1FFF)
|
|
#define LPUART_BAUD_M10_MASK (0x20000000U)
|
|
#define LPUART_BAUD_SBNS_MASK (0x2000U)
|