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dm: sunxi: Add support for serial using driver model

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Add a driver for the designware serial UART used on sunxi. This just
redirects to the normal ns16550 driver.

Add a stdout-path to the device tree so that the correct UART is chosen.

Signed-off-by: Simon Glass <sjg@chromium.org>
Signed-off-by: Hans de Goede <hdegoede@redhat.com>
This commit is contained in:
Simon Glass
2014-10-30 20:25:50 -06:00
committed by Hans de Goede
parent 7aa9748584
commit 1a81cf8399
4 changed files with 55 additions and 6 deletions
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17
include/configs/sunxi-common.h
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@@ -30,6 +30,9 @@
#if !defined(CONFIG_SPL_BUILD) && defined(CONFIG_DM)
# define CONFIG_CMD_DM
# define CONFIG_DM_GPIO
# define CONFIG_DM_SERIAL
# define CONFIG_DW_SERIAL
# define CONFIG_SYS_MALLOC_F_LEN (1 << 10)
#endif
/*
@@ -41,13 +44,15 @@
#define CONFIG_SYS_NS16550
#define CONFIG_SYS_NS16550_SERIAL
/* ns16550 reg in the low bits of cpu reg */
#define CONFIG_SYS_NS16550_REG_SIZE -4
#define CONFIG_SYS_NS16550_CLK 24000000
#define CONFIG_SYS_NS16550_COM1 SUNXI_UART0_BASE
#define CONFIG_SYS_NS16550_COM2 SUNXI_UART1_BASE
#define CONFIG_SYS_NS16550_COM3 SUNXI_UART2_BASE
#define CONFIG_SYS_NS16550_COM4 SUNXI_UART3_BASE
#define CONFIG_SYS_NS16550_COM5 SUNXI_R_UART_BASE
#ifndef CONFIG_DM_SERIAL
# define CONFIG_SYS_NS16550_REG_SIZE -4
# define CONFIG_SYS_NS16550_COM1 SUNXI_UART0_BASE
# define CONFIG_SYS_NS16550_COM2 SUNXI_UART1_BASE
# define CONFIG_SYS_NS16550_COM3 SUNXI_UART2_BASE
# define CONFIG_SYS_NS16550_COM4 SUNXI_UART3_BASE
# define CONFIG_SYS_NS16550_COM5 SUNXI_R_UART_BASE
#endif
/* DRAM Base */
#define CONFIG_SYS_SDRAM_BASE 0x40000000