diff options
Diffstat (limited to 'target/linux/lantiq/patches-3.3/0028-MIPS-lantiq-convert-falcon-debug-uart-to-clkdev-api.patch')
| -rw-r--r-- | target/linux/lantiq/patches-3.3/0028-MIPS-lantiq-convert-falcon-debug-uart-to-clkdev-api.patch | 73 |
1 files changed, 73 insertions, 0 deletions
diff --git a/target/linux/lantiq/patches-3.3/0028-MIPS-lantiq-convert-falcon-debug-uart-to-clkdev-api.patch b/target/linux/lantiq/patches-3.3/0028-MIPS-lantiq-convert-falcon-debug-uart-to-clkdev-api.patch new file mode 100644 index 0000000000..2fa6991717 --- /dev/null +++ b/target/linux/lantiq/patches-3.3/0028-MIPS-lantiq-convert-falcon-debug-uart-to-clkdev-api.patch @@ -0,0 +1,73 @@ +From 7ab075944587e4fe7e2688b1df85452e3d86edb5 Mon Sep 17 00:00:00 2001 +From: John Crispin <blogic@openwrt.org> +Date: Tue, 21 Feb 2012 14:25:21 +0100 +Subject: [PATCH 28/70] MIPS: lantiq: convert falcon debug uart to clkdev api + +On Falcon SoCs we have a secondary serial port that can be used to help +debug the voice core. For the port to work several clocking bits need to +be activated. We convert the code to clkdev api. + +Signed-off-by: John Crispin <blogic@openwrt.org> +--- + arch/mips/lantiq/falcon/prom.c | 4 +--- + drivers/tty/serial/lantiq.c | 7 ++++--- + 2 files changed, 5 insertions(+), 6 deletions(-) + +diff --git a/arch/mips/lantiq/falcon/prom.c b/arch/mips/lantiq/falcon/prom.c +index f98b389..2a4eea17 100644 +--- a/arch/mips/lantiq/falcon/prom.c ++++ b/arch/mips/lantiq/falcon/prom.c +@@ -43,10 +43,8 @@ ltq_soc_setup(void) + ltq_register_asc(0); + ltq_register_wdt(); + falcon_register_gpio(); +- if (register_asc1) { ++ if (register_asc1) + ltq_register_asc(1); +- ltq_sysctl_activate(SYSCTL_SYS1, ACTS_ASC1_ACT); +- } + } + + void __init +diff --git a/drivers/tty/serial/lantiq.c b/drivers/tty/serial/lantiq.c +index 1542ad6..82956de 100644 +--- a/drivers/tty/serial/lantiq.c ++++ b/drivers/tty/serial/lantiq.c +@@ -117,6 +117,7 @@ static DEFINE_SPINLOCK(ltq_asc_lock); + + struct ltq_uart_port { + struct uart_port port; ++ struct clk *fpiclk; + struct clk *clk; + unsigned int tx_irq; + unsigned int rx_irq; +@@ -319,7 +320,7 @@ lqasc_startup(struct uart_port *port) + struct ltq_uart_port *ltq_port = to_ltq_uart_port(port); + int retval; + +- port->uartclk = clk_get_rate(ltq_port->clk); ++ port->uartclk = clk_get_rate(ltq_port->fpiclk); + + ltq_w32_mask(ASCCLC_DISS | ASCCLC_RMCMASK, (1 << ASCCLC_RMCOFFSET), + port->membase + LTQ_ASC_CLC); +@@ -646,7 +647,7 @@ lqasc_console_setup(struct console *co, char *options) + + port = <q_port->port; + +- port->uartclk = clk_get_rate(ltq_port->clk); ++ port->uartclk = clk_get_rate(ltq_port->fpiclk); + + if (options) + uart_parse_options(options, &baud, &parity, &bits, &flow); +@@ -731,7 +732,7 @@ lqasc_probe(struct platform_device *pdev) + port->irq = tx_irq; /* unused, just to be backward-compatibe */ + port->mapbase = mmres->start; + +- ltq_port->clk = clk; ++ ltq_port->fpiclk = clk; + + ltq_port->tx_irq = tx_irq; + ltq_port->rx_irq = rx_irq; +-- +1.7.9.1 + |