diff options
Diffstat (limited to 'target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch')
| -rw-r--r-- | target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch | 378 |
1 files changed, 0 insertions, 378 deletions
diff --git a/target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch b/target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch deleted file mode 100644 index 3c4ea35a1d..0000000000 --- a/target/linux/adm8668/patches-3.3/200-amba_pl010_hacks.patch +++ /dev/null @@ -1,378 +0,0 @@ ---- a/drivers/tty/serial/amba-pl010.c -+++ b/drivers/tty/serial/amba-pl010.c -@@ -49,11 +49,10 @@ - - #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 - -@@ -79,9 +78,9 @@ 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 = __raw_readl(uap->port.membase + UART010_CR); - cr &= ~UART010_CR_TIE; -- writel(cr, uap->port.membase + UART010_CR); -+ __raw_writel(cr, uap->port.membase + UART010_CR); - } - - static void pl010_start_tx(struct uart_port *port) -@@ -89,9 +88,9 @@ 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 = __raw_readl(uap->port.membase + UART010_CR); - cr |= UART010_CR_TIE; -- writel(cr, uap->port.membase + UART010_CR); -+ __raw_writel(cr, uap->port.membase + UART010_CR); - } - - static void pl010_stop_rx(struct uart_port *port) -@@ -99,9 +98,9 @@ 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 = __raw_readl(uap->port.membase + UART010_CR); - cr &= ~(UART010_CR_RIE | UART010_CR_RTIE); -- writel(cr, uap->port.membase + UART010_CR); -+ __raw_writel(cr, uap->port.membase + UART010_CR); - } - - static void pl010_enable_ms(struct uart_port *port) -@@ -109,9 +108,9 @@ 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 = __raw_readl(uap->port.membase + UART010_CR); - cr |= UART010_CR_MSIE; -- writel(cr, uap->port.membase + UART010_CR); -+ __raw_writel(cr, uap->port.membase + UART010_CR); - } - - static void pl010_rx_chars(struct uart_amba_port *uap) -@@ -119,9 +118,9 @@ static void pl010_rx_chars(struct uart_a - struct tty_struct *tty = uap->port.state->port.tty; - unsigned int status, ch, flag, rsr, max_count = 256; - -- status = readb(uap->port.membase + UART01x_FR); -+ status = __raw_readl(uap->port.membase + UART01x_FR); - while (UART_RX_DATA(status) && max_count--) { -- ch = readb(uap->port.membase + UART01x_DR); -+ ch = __raw_readl(uap->port.membase + UART01x_DR); - flag = TTY_NORMAL; - - uap->port.icount.rx++; -@@ -130,9 +129,9 @@ 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 = __raw_readl(uap->port.membase + UART01x_RSR) | UART_DUMMY_RSR_RX; - if (unlikely(rsr & UART01x_RSR_ANY)) { -- writel(0, uap->port.membase + UART01x_ECR); -+ __raw_writel(0, uap->port.membase + UART01x_ECR); - - if (rsr & UART01x_RSR_BE) { - rsr &= ~(UART01x_RSR_FE | UART01x_RSR_PE); -@@ -162,7 +161,7 @@ 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 = __raw_readl(uap->port.membase + UART01x_FR); - } - spin_unlock(&uap->port.lock); - tty_flip_buffer_push(tty); -@@ -175,7 +174,7 @@ static void pl010_tx_chars(struct uart_a - int count; - - if (uap->port.x_char) { -- writel(uap->port.x_char, uap->port.membase + UART01x_DR); -+ __raw_writel(uap->port.x_char, uap->port.membase + UART01x_DR); - uap->port.icount.tx++; - uap->port.x_char = 0; - return; -@@ -187,7 +186,7 @@ static void pl010_tx_chars(struct uart_a - - count = uap->port.fifosize >> 1; - do { -- writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR); -+ __raw_writel(xmit->buf[xmit->tail], uap->port.membase + UART01x_DR); - xmit->tail = (xmit->tail + 1) & (UART_XMIT_SIZE - 1); - uap->port.icount.tx++; - if (uart_circ_empty(xmit)) -@@ -205,9 +204,9 @@ static void pl010_modem_status(struct ua - { - unsigned int status, delta; - -- writel(0, uap->port.membase + UART010_ICR); -+ __raw_writel(0, uap->port.membase + UART010_ICR); - -- status = readb(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; -+ status = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; - - delta = status ^ uap->old_status; - uap->old_status = status; -@@ -235,7 +234,7 @@ static irqreturn_t pl010_int(int irq, vo - - spin_lock(&uap->port.lock); - -- status = readb(uap->port.membase + UART010_IIR); -+ status = __raw_readl(uap->port.membase + UART010_IIR); - if (status) { - do { - if (status & (UART010_IIR_RTIS | UART010_IIR_RIS)) -@@ -248,7 +247,7 @@ static irqreturn_t pl010_int(int irq, vo - if (pass_counter-- == 0) - break; - -- status = readb(uap->port.membase + UART010_IIR); -+ status = __raw_readl(uap->port.membase + UART010_IIR); - } while (status & (UART010_IIR_RTIS | UART010_IIR_RIS | - UART010_IIR_TIS)); - handled = 1; -@@ -262,7 +261,7 @@ 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 = __raw_readl(uap->port.membase + UART01x_FR); - return status & UART01x_FR_BUSY ? 0 : TIOCSER_TEMT; - } - -@@ -272,7 +271,7 @@ static unsigned int pl010_get_mctrl(stru - unsigned int result = 0; - unsigned int status; - -- status = readb(uap->port.membase + UART01x_FR); -+ status = __raw_readl(uap->port.membase + UART01x_FR); - if (status & UART01x_FR_DCD) - result |= TIOCM_CAR; - if (status & UART01x_FR_DSR) -@@ -298,12 +297,12 @@ 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 = __raw_readl(uap->port.membase + UART010_LCRH); - if (break_state == -1) - lcr_h |= UART01x_LCRH_BRK; - else - lcr_h &= ~UART01x_LCRH_BRK; -- writel(lcr_h, uap->port.membase + UART010_LCRH); -+ __raw_writel(lcr_h, uap->port.membase + UART010_LCRH); - spin_unlock_irqrestore(&uap->port.lock, flags); - } - -@@ -335,12 +334,12 @@ 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 = __raw_readl(uap->port.membase + UART01x_FR) & UART01x_FR_MODEM_ANY; - - /* - * Finally, enable interrupts - */ -- writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE, -+ __raw_writel(UART01x_CR_UARTEN | UART010_CR_RIE | UART010_CR_RTIE, - uap->port.membase + UART010_CR); - - return 0; -@@ -365,10 +364,10 @@ static void pl010_shutdown(struct uart_p - /* - * disable all interrupts, disable the port - */ -- writel(0, uap->port.membase + UART010_CR); -+ __raw_writel(0, uap->port.membase + UART010_CR); - - /* disable break condition and fifos */ -- writel(readb(uap->port.membase + UART010_LCRH) & -+ __raw_writel(__raw_readl(uap->port.membase + UART010_LCRH) & - ~(UART01x_LCRH_BRK | UART01x_LCRH_FEN), - uap->port.membase + UART010_LCRH); - -@@ -391,7 +390,7 @@ 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) { -@@ -454,25 +453,25 @@ 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 = __raw_readl(uap->port.membase + UART010_CR) & ~UART010_CR_MSIE; - - if (UART_ENABLE_MS(port, termios->c_cflag)) - old_cr |= UART010_CR_MSIE; - -- writel(0, uap->port.membase + UART010_CR); -+ __raw_writel(0, uap->port.membase + UART010_CR); - - /* Set baud rate */ - quot -= 1; -- writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); -- writel(quot & 0xff, uap->port.membase + UART010_LCRL); -+ __raw_writel((quot & 0xf00) >> 8, uap->port.membase + UART010_LCRM); -+ __raw_writel(quot & 0xff, uap->port.membase + UART010_LCRL); - - /* - * ----------v----------v----------v----------v----- - * NOTE: MUST BE WRITTEN AFTER UARTLCR_M & UARTLCR_L - * ----------^----------^----------^----------^----- - */ -- writel(lcr_h, uap->port.membase + UART010_LCRH); -- writel(old_cr, uap->port.membase + UART010_CR); -+ __raw_writel(lcr_h, uap->port.membase + UART010_LCRH); -+ __raw_writel(old_cr, uap->port.membase + UART010_CR); - - spin_unlock_irqrestore(&uap->port.lock, flags); - } -@@ -554,7 +553,7 @@ 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 - -@@ -564,10 +563,10 @@ static void pl010_console_putchar(struct - unsigned int status; - - do { -- status = readb(uap->port.membase + UART01x_FR); -+ status = __raw_readl(uap->port.membase + UART01x_FR); - barrier(); - } while (!UART_TX_READY(status)); -- writel(ch, uap->port.membase + UART01x_DR); -+ __raw_writel(ch, uap->port.membase + UART01x_DR); - } - - static void -@@ -581,8 +580,8 @@ pl010_console_write(struct console *co, - /* - * First save the CR then disable the interrupts - */ -- old_cr = readb(uap->port.membase + UART010_CR); -- writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR); -+ old_cr = __raw_readl(uap->port.membase + UART010_CR); -+ __raw_writel(UART01x_CR_UARTEN, uap->port.membase + UART010_CR); - - uart_console_write(&uap->port, s, count, pl010_console_putchar); - -@@ -591,10 +590,10 @@ pl010_console_write(struct console *co, - * and restore the TCR - */ - do { -- status = readb(uap->port.membase + UART01x_FR); -+ status = __raw_readl(uap->port.membase + UART01x_FR); - barrier(); - } while (status & UART01x_FR_BUSY); -- writel(old_cr, uap->port.membase + UART010_CR); -+ __raw_writel(old_cr, uap->port.membase + UART010_CR); - - clk_disable(uap->clk); - } -@@ -603,9 +602,9 @@ 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 (__raw_readl(uap->port.membase + UART010_CR) & UART01x_CR_UARTEN) { - unsigned int lcr_h, quot; -- lcr_h = readb(uap->port.membase + UART010_LCRH); -+ lcr_h = __raw_readl(uap->port.membase + UART010_LCRH); - - *parity = 'n'; - if (lcr_h & UART01x_LCRH_PEN) { -@@ -620,8 +619,8 @@ 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 = __raw_readl(uap->port.membase + UART010_LCRL) | -+ __raw_readl(uap->port.membase + UART010_LCRM) << 8; - *baud = uap->port.uartclk / (16 * (quot + 1)); - } - } -@@ -640,7 +639,7 @@ 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) -@@ -662,7 +661,7 @@ 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, -@@ -678,11 +677,11 @@ 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, - }; - ---- a/drivers/tty/serial/Kconfig -+++ b/drivers/tty/serial/Kconfig -@@ -16,10 +16,25 @@ 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 |