diff options
Diffstat (limited to 'package/boot/uboot-omap/patches/105-serial-ns16550-bugfix-ns16550-fifo-not-enabled.patch')
-rw-r--r-- | package/boot/uboot-omap/patches/105-serial-ns16550-bugfix-ns16550-fifo-not-enabled.patch | 309 |
1 files changed, 0 insertions, 309 deletions
diff --git a/package/boot/uboot-omap/patches/105-serial-ns16550-bugfix-ns16550-fifo-not-enabled.patch b/package/boot/uboot-omap/patches/105-serial-ns16550-bugfix-ns16550-fifo-not-enabled.patch deleted file mode 100644 index 513efaf74d..0000000000 --- a/package/boot/uboot-omap/patches/105-serial-ns16550-bugfix-ns16550-fifo-not-enabled.patch +++ /dev/null @@ -1,309 +0,0 @@ -From 17fa032671f7981628fe16b30399638842a4b1bb Mon Sep 17 00:00:00 2001 -From: Heiko Schocher <hs@denx.de> -Date: Wed, 18 Jan 2017 08:05:49 +0100 -Subject: [PATCH] serial, ns16550: bugfix: ns16550 fifo not enabled - -commit: 65f83802b7a5b "serial: 16550: Add getfcr accessor" -breaks u-boot commandline working with long commands -sending to the board. - -Since the above patch, you have to setup the fcr register. - -For board/archs which enable OF_PLATDATA, the new field -fcr in struct ns16550_platdata is not filled with a -default value ... - -This leads in not setting up the uarts fifo, which ends -in problems, when you send long commands to u-boots -commandline. - -Detected this issue with automated tbot tests on am335x -based shc board. - -The error does not popup, if you type commands. You need -to copy&paste a long command to u-boots commandshell -(or send a long command with tbot) - -Possible boards/plattforms with problems: -./arch/arm/cpu/arm926ejs/lpc32xx/devices.c -./arch/arm/mach-tegra/board.c -./board/overo/overo.c -./board/quipos/cairo/cairo.c -./board/logicpd/omap3som/omap3logic.c -./board/logicpd/zoom1/zoom1.c -./board/timll/devkit8000/devkit8000.c -./board/lg/sniper/sniper.c -./board/ti/beagle/beagle.c -./drivers/serial/serial_rockchip.c - -Signed-off-by: Heiko Schocher <hs@denx.de> -Signed-off-by: Ladislav Michl <ladis@linux-mips.org> -Tested-by: Adam Ford <aford173@gmail.com> -Reviewed-by: Tom Rini <trini@konsulko.com> ---- - arch/arm/cpu/arm926ejs/lpc32xx/devices.c | 12 ++++++++---- - arch/arm/mach-omap2/am33xx/board.c | 18 ++++++++++++------ - arch/arm/mach-tegra/board.c | 1 + - board/isee/igep00x0/igep00x0.c | 3 ++- - board/lg/sniper/sniper.c | 3 ++- - board/logicpd/omap3som/omap3logic.c | 3 ++- - board/logicpd/zoom1/zoom1.c | 3 ++- - board/overo/overo.c | 3 ++- - board/quipos/cairo/cairo.c | 3 ++- - board/ti/beagle/beagle.c | 3 ++- - board/timll/devkit8000/devkit8000.c | 3 ++- - drivers/serial/ns16550.c | 9 +++------ - drivers/serial/serial_rockchip.c | 1 + - include/ns16550.h | 5 +++++ - 14 files changed, 46 insertions(+), 24 deletions(-) - -diff --git a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c -index 399b07c5420a..f744398ca7ad 100644 ---- a/arch/arm/cpu/arm926ejs/lpc32xx/devices.c -+++ b/arch/arm/cpu/arm926ejs/lpc32xx/devices.c -@@ -45,10 +45,14 @@ void lpc32xx_uart_init(unsigned int uart_id) - - #if !CONFIG_IS_ENABLED(OF_CONTROL) - static const struct ns16550_platdata lpc32xx_uart[] = { -- { .base = UART3_BASE, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -- { .base = UART4_BASE, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -- { .base = UART5_BASE, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -- { .base = UART6_BASE, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -+ { .base = UART3_BASE, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, -+ { .base = UART4_BASE, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, -+ { .base = UART5_BASE, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, -+ { .base = UART6_BASE, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, - }; - - #if defined(CONFIG_LPC32XX_HSUART) -diff --git a/arch/arm/mach-omap2/am33xx/board.c b/arch/arm/mach-omap2/am33xx/board.c -index 73824df18fa7..190310fd0079 100644 ---- a/arch/arm/mach-omap2/am33xx/board.c -+++ b/arch/arm/mach-omap2/am33xx/board.c -@@ -40,14 +40,20 @@ DECLARE_GLOBAL_DATA_PTR; - - #if !CONFIG_IS_ENABLED(OF_CONTROL) - static const struct ns16550_platdata am33xx_serial[] = { -- { .base = CONFIG_SYS_NS16550_COM1, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -+ { .base = CONFIG_SYS_NS16550_COM1, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, - # ifdef CONFIG_SYS_NS16550_COM2 -- { .base = CONFIG_SYS_NS16550_COM2, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -+ { .base = CONFIG_SYS_NS16550_COM2, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, - # ifdef CONFIG_SYS_NS16550_COM3 -- { .base = CONFIG_SYS_NS16550_COM3, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -- { .base = CONFIG_SYS_NS16550_COM4, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -- { .base = CONFIG_SYS_NS16550_COM5, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -- { .base = CONFIG_SYS_NS16550_COM6, .reg_shift = 2, .clock = CONFIG_SYS_NS16550_CLK }, -+ { .base = CONFIG_SYS_NS16550_COM3, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, -+ { .base = CONFIG_SYS_NS16550_COM4, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, -+ { .base = CONFIG_SYS_NS16550_COM5, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, -+ { .base = CONFIG_SYS_NS16550_COM6, .reg_shift = 2, -+ .clock = CONFIG_SYS_NS16550_CLK, .fcr = UART_FCR_DEFVAL, }, - # endif - # endif - }; -diff --git a/arch/arm/mach-tegra/board.c b/arch/arm/mach-tegra/board.c -index 3d1d26d13d13..b3a041b539af 100644 ---- a/arch/arm/mach-tegra/board.c -+++ b/arch/arm/mach-tegra/board.c -@@ -219,6 +219,7 @@ static struct ns16550_platdata ns16550_com1_pdata = { - .base = CONFIG_SYS_NS16550_COM1, - .reg_shift = 2, - .clock = CONFIG_SYS_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(ns16550_com1) = { -diff --git a/board/isee/igep00x0/igep00x0.c b/board/isee/igep00x0/igep00x0.c -index ae7959b1eb6e..5a3498f570a6 100644 ---- a/board/isee/igep00x0/igep00x0.c -+++ b/board/isee/igep00x0/igep00x0.c -@@ -32,7 +32,8 @@ DECLARE_GLOBAL_DATA_PTR; - static const struct ns16550_platdata igep_serial = { - .base = OMAP34XX_UART3, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(igep_uart) = { -diff --git a/board/lg/sniper/sniper.c b/board/lg/sniper/sniper.c -index 0662449c3875..b2b8f8861f11 100644 ---- a/board/lg/sniper/sniper.c -+++ b/board/lg/sniper/sniper.c -@@ -31,7 +31,8 @@ const omap3_sysinfo sysinfo = { - static const struct ns16550_platdata serial_omap_platdata = { - .base = OMAP34XX_UART3, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(sniper_serial) = { -diff --git a/board/logicpd/omap3som/omap3logic.c b/board/logicpd/omap3som/omap3logic.c -index 21b3fdcf49cf..b2fcc28f8b4b 100644 ---- a/board/logicpd/omap3som/omap3logic.c -+++ b/board/logicpd/omap3som/omap3logic.c -@@ -49,7 +49,8 @@ DECLARE_GLOBAL_DATA_PTR; - static const struct ns16550_platdata omap3logic_serial = { - .base = OMAP34XX_UART1, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(omap3logic_uart) = { -diff --git a/board/logicpd/zoom1/zoom1.c b/board/logicpd/zoom1/zoom1.c -index 2821ee22674f..0fad23af62f6 100644 ---- a/board/logicpd/zoom1/zoom1.c -+++ b/board/logicpd/zoom1/zoom1.c -@@ -47,7 +47,8 @@ static const u32 gpmc_lab_enet[] = { - static const struct ns16550_platdata zoom1_serial = { - .base = OMAP34XX_UART3, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(zoom1_uart) = { -diff --git a/board/overo/overo.c b/board/overo/overo.c -index 40f13e5876cc..5e447262bcfd 100644 ---- a/board/overo/overo.c -+++ b/board/overo/overo.c -@@ -70,7 +70,8 @@ static struct { - static const struct ns16550_platdata overo_serial = { - .base = OMAP34XX_UART3, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(overo_uart) = { -diff --git a/board/quipos/cairo/cairo.c b/board/quipos/cairo/cairo.c -index 77e4482906f0..793aa9023150 100644 ---- a/board/quipos/cairo/cairo.c -+++ b/board/quipos/cairo/cairo.c -@@ -93,7 +93,8 @@ void get_board_mem_timings(struct board_sdrc_timings *timings) - static const struct ns16550_platdata cairo_serial = { - .base = OMAP34XX_UART2, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(cairo_uart) = { -diff --git a/board/ti/beagle/beagle.c b/board/ti/beagle/beagle.c -index cfdab3e34253..23c79333a223 100644 ---- a/board/ti/beagle/beagle.c -+++ b/board/ti/beagle/beagle.c -@@ -75,7 +75,8 @@ static struct { - static const struct ns16550_platdata beagle_serial = { - .base = OMAP34XX_UART3, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(beagle_uart) = { -diff --git a/board/timll/devkit8000/devkit8000.c b/board/timll/devkit8000/devkit8000.c -index f785dbe6d732..b2f060b2ddbf 100644 ---- a/board/timll/devkit8000/devkit8000.c -+++ b/board/timll/devkit8000/devkit8000.c -@@ -48,7 +48,8 @@ static u32 gpmc_net_config[GPMC_MAX_REG] = { - static const struct ns16550_platdata devkit8000_serial = { - .base = OMAP34XX_UART3, - .reg_shift = 2, -- .clock = V_NS16550_CLK -+ .clock = V_NS16550_CLK, -+ .fcr = UART_FCR_DEFVAL, - }; - - U_BOOT_DEVICE(devkit8000_uart) = { -diff --git a/drivers/serial/ns16550.c b/drivers/serial/ns16550.c -index 9b423a591d8a..2df4a1f04fe5 100644 ---- a/drivers/serial/ns16550.c -+++ b/drivers/serial/ns16550.c -@@ -20,9 +20,6 @@ DECLARE_GLOBAL_DATA_PTR; - #define UART_LCRVAL UART_LCR_8N1 /* 8 data, 1 stop, no parity */ - #define UART_MCRVAL (UART_MCR_DTR | \ - UART_MCR_RTS) /* RTS/DTR */ --#define UART_FCRVAL (UART_FCR_FIFO_EN | \ -- UART_FCR_RXSR | \ -- UART_FCR_TXSR) /* Clear & enable FIFOs */ - - #ifndef CONFIG_DM_SERIAL - #ifdef CONFIG_SYS_NS16550_PORT_MAPPED -@@ -138,7 +135,7 @@ static u32 ns16550_getfcr(NS16550_t port) - #else - static u32 ns16550_getfcr(NS16550_t port) - { -- return UART_FCRVAL; -+ return UART_FCR_DEFVAL; - } - #endif - -@@ -275,7 +272,7 @@ static inline void _debug_uart_init(void) - CONFIG_BAUDRATE); - serial_dout(&com_port->ier, CONFIG_SYS_NS16550_IER); - serial_dout(&com_port->mcr, UART_MCRVAL); -- serial_dout(&com_port->fcr, UART_FCRVAL); -+ serial_dout(&com_port->fcr, UART_FCR_DEFVAL); - - serial_dout(&com_port->lcr, UART_LCR_BKSE | UART_LCRVAL); - serial_dout(&com_port->dll, baud_divisor & 0xff); -@@ -440,7 +437,7 @@ int ns16550_serial_ofdata_to_platdata(struct udevice *dev) - return -EINVAL; - } - -- plat->fcr = UART_FCRVAL; -+ plat->fcr = UART_FCR_DEFVAL; - if (port_type == PORT_JZ4780) - plat->fcr |= UART_FCR_UME; - -diff --git a/drivers/serial/serial_rockchip.c b/drivers/serial/serial_rockchip.c -index 6bac95a414ce..c06afc58f7ea 100644 ---- a/drivers/serial/serial_rockchip.c -+++ b/drivers/serial/serial_rockchip.c -@@ -27,6 +27,7 @@ static int rockchip_serial_probe(struct udevice *dev) - plat->plat.base = plat->dtplat.reg[0]; - plat->plat.reg_shift = plat->dtplat.reg_shift; - plat->plat.clock = plat->dtplat.clock_frequency; -+ plat->plat.fcr = UART_FCR_DEFVAL; - dev->platdata = &plat->plat; - - return ns16550_serial_probe(dev); -diff --git a/include/ns16550.h b/include/ns16550.h -index 7c9703683109..5fcbcd2e74e3 100644 ---- a/include/ns16550.h -+++ b/include/ns16550.h -@@ -121,6 +121,11 @@ typedef struct NS16550 *NS16550_t; - /* Ingenic JZ47xx specific UART-enable bit. */ - #define UART_FCR_UME 0x10 - -+/* Clear & enable FIFOs */ -+#define UART_FCR_DEFVAL (UART_FCR_FIFO_EN | \ -+ UART_FCR_RXSR | \ -+ UART_FCR_TXSR) -+ - /* - * These are the definitions for the Modem Control Register - */ --- -2.17.0 - |