diff options
Diffstat (limited to 'target/linux/ixp4xx/patches-2.6.37/191-cambria_optional_uart.patch')
-rw-r--r-- | target/linux/ixp4xx/patches-2.6.37/191-cambria_optional_uart.patch | 217 |
1 files changed, 0 insertions, 217 deletions
diff --git a/target/linux/ixp4xx/patches-2.6.37/191-cambria_optional_uart.patch b/target/linux/ixp4xx/patches-2.6.37/191-cambria_optional_uart.patch deleted file mode 100644 index 603cf3c..0000000 --- a/target/linux/ixp4xx/patches-2.6.37/191-cambria_optional_uart.patch +++ /dev/null @@ -1,217 +0,0 @@ ---- a/arch/arm/mach-ixp4xx/cambria-setup.c -+++ b/arch/arm/mach-ixp4xx/cambria-setup.c -@@ -34,6 +34,7 @@ - #include <asm/mach/arch.h> - #include <asm/mach/flash.h> - #include <asm/setup.h> -+#include <linux/irq.h> - - struct cambria_board_info { - unsigned char *model; -@@ -127,6 +128,45 @@ static struct platform_device cambria_ua - .resource = &cambria_uart_resource, - }; - -+static struct resource cambria_optional_uart_resources[] = { -+ { -+ .start = 0x52000000, -+ .end = 0x52000fff, -+ .flags = IORESOURCE_MEM -+ }, -+ { -+ .start = 0x53000000, -+ .end = 0x53000fff, -+ .flags = IORESOURCE_MEM -+ } -+}; -+ -+static struct plat_serial8250_port cambria_optional_uart_data[] = { -+ { -+ .flags = UPF_BOOT_AUTOCONF, -+ .iotype = UPIO_MEM_DELAY, -+ .regshift = 0, -+ .uartclk = 1843200, -+ .rw_delay = 2, -+ }, -+ { -+ .flags = UPF_BOOT_AUTOCONF, -+ .iotype = UPIO_MEM_DELAY, -+ .regshift = 0, -+ .uartclk = 1843200, -+ .rw_delay = 2, -+ }, -+ { }, -+}; -+ -+static struct platform_device cambria_optional_uart = { -+ .name = "serial8250", -+ .id = PLAT8250_DEV_PLATFORM1, -+ .dev.platform_data = cambria_optional_uart_data, -+ .num_resources = 2, -+ .resource = cambria_optional_uart_resources, -+}; -+ - static struct resource cambria_pata_resources[] = { - { - .flags = IORESOURCE_MEM -@@ -283,6 +323,19 @@ static void __init cambria_gw23xx_setup( - - static void __init cambria_gw2350_setup(void) - { -+ *IXP4XX_EXP_CS2 = 0xBFFF3C43; -+ set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_RISING); -+ cambria_optional_uart_data[0].mapbase = 0x52FF0000; -+ cambria_optional_uart_data[0].membase = (void __iomem *)ioremap(0x52FF0000, 0x0fff); -+ cambria_optional_uart_data[0].irq = IRQ_IXP4XX_GPIO3; -+ -+ *IXP4XX_EXP_CS3 = 0xBFFF3C43; -+ set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_RISING); -+ cambria_optional_uart_data[1].mapbase = 0x53FF0000; -+ cambria_optional_uart_data[1].membase = (void __iomem *)ioremap(0x53FF0000, 0x0fff); -+ cambria_optional_uart_data[1].irq = IRQ_IXP4XX_GPIO4; -+ -+ platform_device_register(&cambria_optional_uart); - platform_device_register(&cambria_npec_device); - platform_device_register(&cambria_npea_device); - -@@ -294,6 +347,19 @@ static void __init cambria_gw2350_setup( - - static void __init cambria_gw2358_setup(void) - { -+ *IXP4XX_EXP_CS3 = 0xBFFF3C43; -+ set_irq_type(IRQ_IXP4XX_GPIO3, IRQ_TYPE_EDGE_RISING); -+ cambria_optional_uart_data[0].mapbase = 0x53FC0000; -+ cambria_optional_uart_data[0].membase = (void __iomem *)ioremap(0x53FC0000, 0x0fff); -+ cambria_optional_uart_data[0].irq = IRQ_IXP4XX_GPIO3; -+ -+ set_irq_type(IRQ_IXP4XX_GPIO4, IRQ_TYPE_EDGE_RISING); -+ cambria_optional_uart_data[1].mapbase = 0x53F80000; -+ cambria_optional_uart_data[1].membase = (void __iomem *)ioremap(0x53F80000, 0x0fff); -+ cambria_optional_uart_data[1].irq = IRQ_IXP4XX_GPIO4; -+ -+ platform_device_register(&cambria_optional_uart); -+ - platform_device_register(&cambria_npec_device); - platform_device_register(&cambria_npea_device); - ---- a/include/linux/serial_8250.h -+++ b/include/linux/serial_8250.h -@@ -27,6 +27,7 @@ struct plat_serial8250_port { - void *private_data; - unsigned char regshift; /* register shift */ - unsigned char iotype; /* UPIO_* */ -+ unsigned int rw_delay; /* udelay for slower busses IXP4XX Expansion Bus */ - unsigned char hub6; - upf_t flags; /* UPF_* flags */ - unsigned int type; /* If UPF_FIXED_TYPE */ ---- a/include/linux/serial_core.h -+++ b/include/linux/serial_core.h -@@ -311,6 +311,7 @@ struct uart_port { - #define UPIO_TSI (5) /* Tsi108/109 type IO */ - #define UPIO_DWAPB (6) /* DesignWare APB UART */ - #define UPIO_RM9000 (7) /* RM9000 type IO */ -+#define UPIO_MEM_DELAY (8) - - unsigned int read_status_mask; /* driver specific */ - unsigned int ignore_status_mask; /* driver specific */ -@@ -353,6 +354,7 @@ struct uart_port { - - unsigned int mctrl; /* current modem ctrl settings */ - unsigned int timeout; /* character-based timeout */ -+ unsigned int rw_delay; /* udelay for slow busses, IXP4XX Expansion Bus */ - unsigned int type; /* port type */ - const struct uart_ops *ops; - unsigned int custom_divisor; ---- a/drivers/serial/8250.c -+++ b/drivers/serial/8250.c -@@ -413,6 +413,20 @@ static void mem_serial_out(struct uart_p - writeb(value, p->membase + offset); - } - -+static unsigned int memdelay_serial_in(struct uart_port *p, int offset) -+{ -+ struct uart_8250_port *up = (struct uart_8250_port *)p; -+ udelay(up->port.rw_delay); -+ return mem_serial_in(p, offset); -+} -+ -+static void memdelay_serial_out(struct uart_port *p, int offset, int value) -+{ -+ struct uart_8250_port *up = (struct uart_8250_port *)p; -+ udelay(up->port.rw_delay); -+ mem_serial_out(p, offset, value); -+} -+ - static void mem32_serial_out(struct uart_port *p, int offset, int value) - { - offset = map_8250_out_reg(p, offset) << p->regshift; -@@ -504,6 +518,11 @@ static void set_io_from_upio(struct uart - p->serial_out = mem32_serial_out; - break; - -+ case UPIO_MEM_DELAY: -+ p->serial_in = memdelay_serial_in; -+ p->serial_out = memdelay_serial_out; -+ break; -+ - case UPIO_AU: - p->serial_in = au_serial_in; - p->serial_out = au_serial_out; -@@ -535,6 +554,7 @@ serial_out_sync(struct uart_8250_port *u - switch (p->iotype) { - case UPIO_MEM: - case UPIO_MEM32: -+ case UPIO_MEM_DELAY: - case UPIO_AU: - case UPIO_DWAPB: - p->serial_out(p, offset, value); -@@ -2477,6 +2497,7 @@ static int serial8250_request_std_resour - case UPIO_MEM32: - case UPIO_MEM: - case UPIO_DWAPB: -+ case UPIO_MEM_DELAY: - if (!up->port.mapbase) - break; - -@@ -2514,6 +2535,7 @@ static void serial8250_release_std_resou - case UPIO_MEM32: - case UPIO_MEM: - case UPIO_DWAPB: -+ case UPIO_MEM_DELAY: - if (!up->port.mapbase) - break; - -@@ -3025,6 +3047,7 @@ static int __devinit serial8250_probe(st - port.set_termios = p->set_termios; - port.pm = p->pm; - port.dev = &dev->dev; -+ port.rw_delay = p->rw_delay; - port.irqflags |= irqflag; - ret = serial8250_register_port(&port); - if (ret < 0) { -@@ -3174,6 +3197,7 @@ int serial8250_register_port(struct uart - uart->port.iotype = port->iotype; - uart->port.flags = port->flags | UPF_BOOT_AUTOCONF; - uart->port.mapbase = port->mapbase; -+ uart->port.rw_delay = port->rw_delay; - uart->port.private_data = port->private_data; - if (port->dev) - uart->port.dev = port->dev; ---- a/drivers/serial/serial_core.c -+++ b/drivers/serial/serial_core.c -@@ -2129,6 +2129,7 @@ uart_report_port(struct uart_driver *drv - snprintf(address, sizeof(address), - "I/O 0x%lx offset 0x%x", port->iobase, port->hub6); - break; -+ case UPIO_MEM_DELAY: - case UPIO_MEM: - case UPIO_MEM32: - case UPIO_AU: -@@ -2549,6 +2550,7 @@ int uart_match_port(struct uart_port *po - case UPIO_HUB6: - return (port1->iobase == port2->iobase) && - (port1->hub6 == port2->hub6); -+ case UPIO_MEM_DELAY: - case UPIO_MEM: - case UPIO_MEM32: - case UPIO_AU: |