diff options
Diffstat (limited to 'arch/mips/loongson/common/serial.c')
| -rw-r--r-- | arch/mips/loongson/common/serial.c | 66 |
1 files changed, 49 insertions, 17 deletions
diff --git a/arch/mips/loongson/common/serial.c b/arch/mips/loongson/common/serial.c index bd2b7095b6dc..c23fa1373729 100644 --- a/arch/mips/loongson/common/serial.c +++ b/arch/mips/loongson/common/serial.c @@ -38,20 +38,17 @@ .regshift = 0, \ } -static struct plat_serial8250_port uart8250_data[][2] = { - [MACH_LOONGSON_UNKNOWN] {}, - [MACH_LEMOTE_FL2E] {PORT(4, 1843200), {} }, - [MACH_LEMOTE_FL2F] {PORT(3, 1843200), {} }, - [MACH_LEMOTE_ML2F7] {PORT_M(3, 3686400), {} }, - [MACH_LEMOTE_YL2F89] {PORT_M(3, 3686400), {} }, - [MACH_DEXXON_GDIUM2F10] {PORT_M(3, 3686400), {} }, - [MACH_LEMOTE_NAS] {PORT_M(3, 3686400), {} }, - [MACH_LEMOTE_LL2F] {PORT(3, 1843200), {} }, - [MACH_LEMOTE_A1004] {PORT_M(2, 33177600), {} }, - [MACH_LEMOTE_A1101] {PORT_M(2, 25000000), {} }, - [MACH_LEMOTE_A1201] {PORT_M(2, 25000000), {} }, - [MACH_LEMOTE_A1205] {PORT_M(2, 25000000), {} }, - [MACH_LOONGSON_END] {}, +static struct plat_serial8250_port uart8250_data[][MAX_UARTS + 1] = { + [MACH_LOONGSON_UNKNOWN] = {}, + [MACH_LEMOTE_FL2E] = {PORT(4, 1843200), {} }, + [MACH_LEMOTE_FL2F] = {PORT(3, 1843200), {} }, + [MACH_LEMOTE_ML2F7] = {PORT_M(3, 3686400), {} }, + [MACH_LEMOTE_YL2F89] = {PORT_M(3, 3686400), {} }, + [MACH_DEXXON_GDIUM2F10] = {PORT_M(3, 3686400), {} }, + [MACH_LEMOTE_NAS] = {PORT_M(3, 3686400), {} }, + [MACH_LEMOTE_LL2F] = {PORT(3, 1843200), {} }, + [MACH_LOONGSON_GENERIC] = {PORT_M(2, 25000000), {} }, + [MACH_LOONGSON_END] = {}, }; static struct platform_device uart8250_device = { @@ -61,17 +58,52 @@ static struct platform_device uart8250_device = { static int __init serial_init(void) { + int i; unsigned char iotype; iotype = uart8250_data[mips_machtype][0].iotype; - if (UPIO_MEM == iotype) + if (UPIO_MEM == iotype) { + uart8250_data[mips_machtype][0].mapbase = + loongson_uart_base[0]; uart8250_data[mips_machtype][0].membase = - (void __iomem *)_loongson_uart_base; + (void __iomem *)_loongson_uart_base[0]; + } else if (UPIO_PORT == iotype) uart8250_data[mips_machtype][0].iobase = - loongson_uart_base - LOONGSON_PCIIO_BASE; + loongson_uart_base[0] - LOONGSON_PCIIO_BASE; + if (loongson_sysconf.uarts[0].uartclk) + uart8250_data[mips_machtype][0].uartclk = + loongson_sysconf.uarts[0].uartclk; + + for (i = 1; i < loongson_sysconf.nr_uarts; i++) { + iotype = loongson_sysconf.uarts[i].iotype; + uart8250_data[mips_machtype][i].iotype = iotype; + loongson_uart_base[i] = loongson_sysconf.uarts[i].uart_base; + + if (UPIO_MEM == iotype) { + uart8250_data[mips_machtype][i].irq = + MIPS_CPU_IRQ_BASE + loongson_sysconf.uarts[i].int_offset; + uart8250_data[mips_machtype][i].mapbase = + loongson_uart_base[i]; + uart8250_data[mips_machtype][i].membase = + ioremap_nocache(loongson_uart_base[i], 8); + } else if (UPIO_PORT == iotype) { + uart8250_data[mips_machtype][i].irq = + loongson_sysconf.uarts[i].int_offset; + uart8250_data[mips_machtype][i].iobase = + loongson_uart_base[i] - LOONGSON_PCIIO_BASE; + } + + uart8250_data[mips_machtype][i].uartclk = + loongson_sysconf.uarts[i].uartclk; + uart8250_data[mips_machtype][i].flags = + UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; + } + + memset(&uart8250_data[mips_machtype][loongson_sysconf.nr_uarts], + 0, sizeof(struct plat_serial8250_port)); uart8250_device.dev.platform_data = uart8250_data[mips_machtype]; return platform_device_register(&uart8250_device); |