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[MIPS] PNX8550 fixups

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This patch fixes the compilation errors on PNX8550 and hard-to-track
bug in interrupt handling.
It also corresponds to the latest changes in PNX8550 serial driver.

Signed-off-by: Vitaly Wool <vitalywool@gmail.com>
Signed-off-by: Ralf Baechle <ralf@linux-mips.org>
This commit is contained in:
Vitaly Wool 2006-10-04 19:19:58 +04:00 committed by Ralf Baechle
parent 4a61f17378
commit 7009af8cd3
6 changed files with 26 additions and 18 deletions
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2
arch/mips/Kconfig
View File

@ -440,13 +440,11 @@ config MIPS_XXS1500
config PNX8550_V2PCI
bool "Philips PNX8550 based Viper2-PCI board"
depends on BROKEN
select PNX8550
select SYS_SUPPORTS_LITTLE_ENDIAN
config PNX8550_JBS
bool "Philips PNX8550 based JBS board"
depends on BROKEN
select PNX8550
select SYS_SUPPORTS_LITTLE_ENDIAN

2
arch/mips/philips/pnx8550/common/int.c
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@ -90,7 +90,7 @@ asmlinkage void plat_irq_dispatch(struct pt_regs *regs)
unsigned int pending = read_c0_status() & read_c0_cause();
if (pending & STATUSF_IP2)
do_IRQ(2, regs);
hw0_irqdispatch(2, regs);
else if (pending & STATUSF_IP7) {
if (read_c0_config7() & 0x01c0)
timer_irqdispatch(7, regs);

16
arch/mips/philips/pnx8550/common/platform.c
View File

@ -17,15 +17,13 @@
#include <linux/init.h>
#include <linux/resource.h>
#include <linux/serial.h>
#include <linux/serial_ip3106.h>
#include <linux/serial_pnx8xxx.h>
#include <linux/platform_device.h>
#include <int.h>
#include <usb.h>
#include <uart.h>
extern struct uart_ops ip3106_pops;
static struct resource pnx8550_usb_ohci_resources[] = {
[0] = {
.start = PNX8550_USB_OHCI_OP_BASE,
@ -63,31 +61,29 @@ static struct resource pnx8550_uart_resources[] = {
},
};
struct ip3106_port ip3106_ports[] = {
struct pnx8xxx_port pnx8xxx_ports[] = {
[0] = {
.port = {
.type = PORT_IP3106,
.type = PORT_PNX8XXX,
.iotype = UPIO_MEM,
.membase = (void __iomem *)PNX8550_UART_PORT0,
.mapbase = PNX8550_UART_PORT0,
.irq = PNX8550_UART_INT(0),
.uartclk = 3692300,
.fifosize = 16,
.ops = &ip3106_pops,
.flags = UPF_BOOT_AUTOCONF,
.line = 0,
},
},
[1] = {
.port = {
.type = PORT_IP3106,
.type = PORT_PNX8XXX,
.iotype = UPIO_MEM,
.membase = (void __iomem *)PNX8550_UART_PORT1,
.mapbase = PNX8550_UART_PORT1,
.irq = PNX8550_UART_INT(1),
.uartclk = 3692300,
.fifosize = 16,
.ops = &ip3106_pops,
.flags = UPF_BOOT_AUTOCONF,
.line = 1,
},
@ -111,12 +107,12 @@ static struct platform_device pnx8550_usb_ohci_device = {
};
static struct platform_device pnx8550_uart_device = {
.name = "ip3106-uart",
.name = "pnx8xxx-uart",
.id = -1,
.dev = {
.dma_mask = &uart_dmamask,
.coherent_dma_mask = 0xffffffff,
.platform_data = ip3106_ports,
.platform_data = pnx8xxx_ports,
},
.num_resources = ARRAY_SIZE(pnx8550_uart_resources),
.resource = pnx8550_uart_resources,

4
arch/mips/philips/pnx8550/common/prom.c
View File

@ -13,7 +13,7 @@
#include <linux/kernel.h>
#include <linux/init.h>
#include <linux/string.h>
#include <linux/serial_ip3106.h>
#include <linux/serial_pnx8xxx.h>
#include <asm/bootinfo.h>
#include <uart.h>
@ -126,7 +126,7 @@ void prom_putchar(char c)
{
if (pnx8550_console_port != -1) {
/* Wait until FIFO not full */
while( ((ip3106_fifo(UART_BASE, pnx8550_console_port) & IP3106_UART_FIFO_TXFIFO) >> 16) >= 16)
while( ((ip3106_fifo(UART_BASE, pnx8550_console_port) & PNX8XXX_UART_FIFO_TXFIFO) >> 16) >= 16)
;
/* Send one char */
ip3106_fifo(UART_BASE, pnx8550_console_port) = c;

6
arch/mips/philips/pnx8550/common/setup.c
View File

@ -24,7 +24,7 @@
#include <linux/mm.h>
#include <linux/delay.h>
#include <linux/interrupt.h>
#include <linux/serial_ip3106.h>
#include <linux/serial_pnx8xxx.h>
#include <linux/pm.h>
#include <asm/cpu.h>
@ -56,7 +56,7 @@ extern char *prom_getcmdline(void);
struct resource standard_io_resources[] = {
{
.start = .0x00,
.start = 0x00,
.end = 0x1f,
.name = "dma1",
.flags = IORESOURCE_BUSY
@ -144,7 +144,7 @@ void __init plat_mem_setup(void)
/* We must initialize the UART (console) before prom_printf */
/* Set LCR to 8-bit and BAUD to 38400 (no 5) */
ip3106_lcr(UART_BASE, pnx8550_console_port) =
IP3106_UART_LCR_8BIT;
PNX8XXX_UART_LCR_8BIT;
ip3106_baud(UART_BASE, pnx8550_console_port) = 5;
}

14
include/asm-mips/mach-pnx8550/uart.h
View File

@ -13,4 +13,18 @@
#define PNX8550_UART_INT(x) (PNX8550_INT_GIC_MIN+19+x)
#define IRQ_TO_UART(x) (x-PNX8550_INT_GIC_MIN-19)
/* early macros needed for prom/kgdb */
#define ip3106_lcr(base,port) *(volatile u32 *)(base+(port*0x1000) + 0x000)
#define ip3106_mcr(base, port) *(volatile u32 *)(base+(port*0x1000) + 0x004)
#define ip3106_baud(base, port) *(volatile u32 *)(base+(port*0x1000) + 0x008)
#define ip3106_cfg(base, port) *(volatile u32 *)(base+(port*0x1000) + 0x00C)
#define ip3106_fifo(base, port) *(volatile u32 *)(base+(port*0x1000) + 0x028)
#define ip3106_istat(base, port) *(volatile u32 *)(base+(port*0x1000) + 0xFE0)
#define ip3106_ien(base, port) *(volatile u32 *)(base+(port*0x1000) + 0xFE4)
#define ip3106_iclr(base, port) *(volatile u32 *)(base+(port*0x1000) + 0xFE8)
#define ip3106_iset(base, port) *(volatile u32 *)(base+(port*0x1000) + 0xFEC)
#define ip3106_pd(base, port) *(volatile u32 *)(base+(port*0x1000) + 0xFF4)
#define ip3106_mid(base, port) *(volatile u32 *)(base+(port*0x1000) + 0xFFC)
#endif