+++ /dev/null
-Index: linux/drivers/serial/amba-pl010.c
-===================================================================
---- linux.orig/drivers/serial/amba-pl010.c
-+++ linux/drivers/serial/amba-pl010.c
-@@ -52,11 +52,10 @@
-
- #include <asm/io.h>
-
--#define UART_NR 8
--
- #define SERIAL_AMBA_MAJOR 204
- #define SERIAL_AMBA_MINOR 16
--#define SERIAL_AMBA_NR UART_NR
-+#define SERIAL_AMBA_NR CONFIG_SERIAL_AMBA_PL010_NUMPORTS
-+#define SERIAL_AMBA_NAME CONFIG_SERIAL_AMBA_PL010_PORTNAME
-
- #define AMBA_ISR_PASS_LIMIT 256
-
-@@ -82,7 +81,7 @@ static void pl010_stop_tx(struct uart_po
- struct uart_amba_port *uap = (struct uart_amba_port *)port;
- unsigned int cr;
-
-- cr = readb(uap->port.membase + UART010_CR);
-+ cr = readl(uap->port.membase + UART010_CR);
- cr &= ~UART010_CR_TIE;
- writel(cr, uap->port.membase + UART010_CR);
- }
-@@ -92,7 +91,7 @@ static void pl010_start_tx(struct uart_p
- struct uart_amba_port *uap = (struct uart_amba_port *)port;
- unsigned int cr;
-
-- cr = readb(uap->port.membase + UART010_CR);
-+ cr = readl(uap->port.membase + UART010_CR);
- cr |= UART010_CR_TIE;
- writel(cr, uap->port.membase + UART010_CR);
- }
-@@ -102,7 +101,7 @@ static void pl010_stop_rx(struct uart_po
- struct uart_amba_port *uap = (struct uart_amba_port *)port;
- unsigned int cr;
-
-- cr = readb(uap->port.membase + UART010_CR);
-+ cr = readl(uap->port.membase + UART010_CR);
- cr &= ~(UART010_CR_RIE | UART010_CR_RTIE);
- writel(cr, uap->port.membase + UART010_CR);
- }
-@@ -112,7 +111,7 @@ static void pl010_enable_ms(struct uart_
- struct uart_amba_port *uap = (struct uart_amba_port *)port;
- unsigned int cr;
-
-- cr = readb(uap->port.membase + UART010_CR);
-+ cr = readl(uap->port.membase + UART010_CR);
- cr |= UART010_CR_MSIE;
- writel(cr, uap->port.membase + UART010_CR);
- }
-@@ -122,9 +121,9 @@ static void pl010_rx_chars(struct uart_a
- struct tty_struct *tty = uap->port.info->tty;
- unsigned int status, ch, flag, rsr, max_count = 256;
-
-- status = readb(uap->port.membase + UART01x_FR);
-+ status = readl(uap->port.membase + UART01x_FR);
- while (UART_RX_DATA(status) && max_count--) {
-- ch = readb(uap->port.membase + UART01x_DR);
-+ ch = readl(uap->port.membase + UART01x_DR);
- flag = TTY_NORMAL;
-
- uap->port.icount.rx++;
-@@ -133,7 +132,7 @@ static void pl010_rx_chars(struct uart_a
- * Note that the error handling code is
- * out of the main execution path
- */
-- rsr = readb(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
-+ rsr = readl(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX;
- if (unlikely(rsr & UART01x_RSR_ANY)) {
- writel(0, uap->port.membase + UART01x_ECR);
-
-@@ -165,7 +164,7 @@ static void pl010_rx_chars(struct uart_a
- uart_insert_char(&uap->port, rsr, UART01x_RSR_OE, ch, flag);
-
- ignore_char:
-- status = readb(uap->port.membase + UART01x_FR);
-+ status = readl(uap->port.membase + UART01x_FR);
- }
- spin_unlock(&uap->port.lock);
- tty_flip_buffer_push(tty);
-@@ -210,7 +209,7 @@ static void pl010_modem_status(struct ua
-
- writel(0, uap->port.membase + UART010_ICR);
-
-- status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
-+ status = readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
-
- delta = status ^ uap->old_status;
- uap->old_status = status;
-@@ -238,7 +237,7 @@ static irqreturn_t pl010_int(int irq, vo
-
- spin_lock(&uap->port.lock);
-
-- status = readb(uap->port.membase + UART010_IIR);
-+ status = readl(uap->port.membase + UART010_IIR);
- if (status) {
- do {
- if (status & (UART010_IIR_RTIS | UART010_IIR_RIS))
-@@ -251,7 +250,7 @@ static irqreturn_t pl010_int(int irq, vo
- if (pass_counter-- == 0)
- break;
-
-- status = readb(uap->port.membase + UART010_IIR);
-+ status = readl(uap->port.membase + UART010_IIR);
- } while (status & (UART010_IIR_RTIS | UART010_IIR_RIS |
- UART010_IIR_TIS));
- handled = 1;
-@@ -265,7 +264,7 @@ static irqreturn_t pl010_int(int irq, vo
- static unsigned int pl010_tx_empty(struct uart_port *port)
- {
- struct uart_amba_port *uap = (struct uart_amba_port *)port;
-- unsigned int status = readb(uap->port.membase + UART01x_FR);
-+ unsigned int status = readl(uap->port.membase + UART01x_FR);
- return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT;
- }
-
-@@ -275,7 +274,7 @@ static unsigned int pl010_get_mctrl(stru
- unsigned int result = 0;
- unsigned int status;
-
-- status = readb(uap->port.membase + UART01x_FR);
-+ status = readl(uap->port.membase + UART01x_FR);
- if (status & UART01x_FR_DCD)
- result |= TIOCM_CAR;
- if (status & UART01x_FR_DSR)
-@@ -301,7 +300,7 @@ static void pl010_break_ctl(struct uart_
- unsigned int lcr_h;
-
- spin_lock_irqsave(&uap->port.lock, flags);
-- lcr_h = readb(uap->port.membase + UART010_LCRH);
-+ lcr_h = readl(uap->port.membase + UART010_LCRH);
- if (break_state == -1)
- lcr_h |= UART01x_LCRH_BRK;
- else
-@@ -334,7 +333,7 @@ static int pl010_startup(struct uart_por
- /*
- * initialise the old status of the modem signals
- */
-- uap->old_status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
-+ uap->old_status = readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY;
-
- /*
- * Finally, enable interrupts
-@@ -365,7 +364,7 @@ static void pl010_shutdown(struct uart_p
- writel(0, uap->port.membase + UART010_CR);
-
- /* disable break condition and fifos */
-- writel(readb(uap->port.membase + UART010_LCRH) &
-+ writel(readl(uap->port.membase + UART010_LCRH) &
- ~(UART01x_LCRH_BRK | UART01x_LCRH_FEN),
- uap->port.membase + UART010_LCRH);
-
-@@ -387,7 +386,7 @@ pl010_set_termios(struct uart_port *port
- /*
- * Ask the core to calculate the divisor for us.
- */
-- baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16);
-+ baud = uart_get_baud_rate(port, termios, old, 0, uap->port.uartclk/16);
- quot = uart_get_divisor(port, baud);
-
- switch (termios->c_cflag & CSIZE) {
-@@ -450,7 +449,7 @@ pl010_set_termios(struct uart_port *port
- uap->port.ignore_status_mask |= UART_DUMMY_RSR_RX;
-
- /* first, disable everything */
-- old_cr = readb(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
-+ old_cr = readl(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE;
-
- if (UART_ENABLE_MS(port, termios->c_cflag))
- old_cr |= UART010_CR_MSIE;
-@@ -540,7 +539,7 @@ static struct uart_ops amba_pl010_pops =
- .verify_port = pl010_verify_port,
- };
-
--static struct uart_amba_port *amba_ports[UART_NR];
-+static struct uart_amba_port *amba_ports[SERIAL_AMBA_NR];
-
- #ifdef CONFIG_SERIAL_AMBA_PL010_CONSOLE
-
-@@ -550,7 +549,7 @@ static void pl010_console_putchar(struct
- unsigned int status;
-
- do {
-- status = readb(uap->port.membase + UART01x_FR);
-+ status = readl(uap->port.membase + UART01x_FR);
- barrier();
- } while (!UART_TX_READY(status));
- writel(ch, uap->port.membase + UART01x_DR);
-@@ -567,7 +566,7 @@ pl010_console_write(struct console *co,
- /*
- * First save the CR then disable the interrupts
- */
-- old_cr = readb(uap->port.membase + UART010_CR);
-+ old_cr = readl(uap->port.membase + UART010_CR);
- writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR);
-
- uart_console_write(&uap->port, s, count, pl010_console_putchar);
-@@ -577,7 +576,7 @@ pl010_console_write(struct console *co,
- * and restore the TCR
- */
- do {
-- status = readb(uap->port.membase + UART01x_FR);
-+ status = readl(uap->port.membase + UART01x_FR);
- barrier();
- } while (status & UART01x_FR_BUSY);
- writel(old_cr, uap->port.membase + UART010_CR);
-@@ -589,9 +588,9 @@ static void __init
- pl010_console_get_options(struct uart_amba_port *uap, int *baud,
- int *parity, int *bits)
- {
-- if (readb(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
-+ if (readl(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) {
- unsigned int lcr_h, quot;
-- lcr_h = readb(uap->port.membase + UART010_LCRH);
-+ lcr_h = readl(uap->port.membase + UART010_LCRH);
-
- *parity = 'n';
- if (lcr_h & UART01x_LCRH_PEN) {
-@@ -606,8 +605,8 @@ pl010_console_get_options(struct uart_am
- else
- *bits = 8;
-
-- quot = readb(uap->port.membase + UART010_LCRL) |
-- readb(uap->port.membase + UART010_LCRM) << 8;
-+ quot = readl(uap->port.membase + UART010_LCRL) |
-+ readl(uap->port.membase + UART010_LCRM) << 8;
- *baud = uap->port.uartclk / (16 * (quot + 1));
- }
- }
-@@ -625,7 +624,7 @@ static int __init pl010_console_setup(st
- * if so, search for the first available port that does have
- * console support.
- */
-- if (co->index >= UART_NR)
-+ if (co->index >= SERIAL_AMBA_NR)
- co->index = 0;
- uap = amba_ports[co->index];
- if (!uap)
-@@ -643,7 +642,7 @@ static int __init pl010_console_setup(st
-
- static struct uart_driver amba_reg;
- static struct console amba_console = {
-- .name = "ttyAM",
-+ .name = SERIAL_AMBA_NAME,
- .write = pl010_console_write,
- .device = uart_console_device,
- .setup = pl010_console_setup,
-@@ -659,11 +658,11 @@ static struct console amba_console = {
-
- static struct uart_driver amba_reg = {
- .owner = THIS_MODULE,
-- .driver_name = "ttyAM",
-- .dev_name = "ttyAM",
-+ .driver_name = SERIAL_AMBA_NAME,
-+ .dev_name = SERIAL_AMBA_NAME,
- .major = SERIAL_AMBA_MAJOR,
- .minor = SERIAL_AMBA_MINOR,
-- .nr = UART_NR,
-+ .nr = SERIAL_AMBA_NR,
- .cons = AMBA_CONSOLE,
- };
-
-Index: linux/drivers/serial/Kconfig
-===================================================================
---- linux.orig/drivers/serial/Kconfig
-+++ linux/drivers/serial/Kconfig
-@@ -293,10 +293,25 @@ config SERIAL_AMBA_PL010
- help
- This selects the ARM(R) AMBA(R) PrimeCell PL010 UART. If you have
- an Integrator/AP or Integrator/PP2 platform, or if you have a
-- Cirrus Logic EP93xx CPU, say Y or M here.
-+ Cirrus Logic EP93xx CPU or an Infineon ADM5120 SOC, say Y or M here.
-
- If unsure, say N.
-
-+config SERIAL_AMBA_PL010_NUMPORTS
-+ int "Maximum number of AMBA PL010 serial ports"
-+ depends on SERIAL_AMBA_PL010
-+ default "8"
-+ ---help---
-+ Set this to the number of serial ports you want the AMBA PL010 driver
-+ to support.
-+
-+config SERIAL_AMBA_PL010_PORTNAME
-+ string "Name of the AMBA PL010 serial ports"
-+ depends on SERIAL_AMBA_PL010
-+ default "ttyAM"
-+ ---help---
-+ ::: To be written :::
-+
- config SERIAL_AMBA_PL010_CONSOLE
- bool "Support for console on AMBA serial port"
- depends on SERIAL_AMBA_PL010=y
projects / openwrt.git / blobdiff