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author | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:48:43 -0700 |
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committer | Linus Torvalds <torvalds@woody.linux-foundation.org> | 2007-07-10 14:48:43 -0700 |
commit | 0f166396e7e8931bb4acfd1a6ea1bd4f0b43f1dd (patch) | |
tree | 6279fa70695a4c56b7e935018a4c0fc1dfa82e68 /arch/mips/jazz/jazz-platform.c | |
parent | 5f60cfd932b42c69ed3226400cb5eab152576c3a (diff) | |
parent | 105b1bca4d7bed85bb296f7e7caec2fc643e9fbf (diff) |
Merge branch 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus
* 'upstream' of git://ftp.linux-mips.org/pub/scm/upstream-linus: (62 commits)
[MIPS] PNX8550: Cleanup proc code.
[MIPS] WRPPMC: Fix build.
[MIPS] Yosemite: Fix modpost warnings.
[MIPS] Change names of local variables to silence sparse
[MIPS] SB1: Fix modpost warning.
[MIPS] PNX: Fix modpost warnings.
[MIPS] Alchemy: Fix modpost warnings.
[MIPS] Non-FPAFF: Fix warning.
[MIPS] DEC: Fix modpost warning.
[MIPS] MIPSsim: Enable MIPSsim virtual network driver.
[MIPS] Delete Ocelot 3 support.
[MIPS] remove LASAT Networks platforms support
[MIPS] Early check for SMTC kernel on non-MT processor
[MIPS] Add debugfs files to show fpuemu statistics
[MIPS] Add some debugfs files to debug unaligned accesses
[MIPS] rbtx4938: Fix secondary PCIC and glue internal NICs
[MIPS] tc35815: Load MAC address via platform_device
[MIPS] Move FPU affinity code into separate file.
[MIPS] Make ioremap() work on TX39/49 special unmapped segment
[MIPS] rbtx4938: Update and minimize defconfig
...
Diffstat (limited to 'arch/mips/jazz/jazz-platform.c')
-rw-r--r-- | arch/mips/jazz/jazz-platform.c | 60 |
1 files changed, 60 insertions, 0 deletions
diff --git a/arch/mips/jazz/jazz-platform.c b/arch/mips/jazz/jazz-platform.c new file mode 100644 index 00000000000..fd736703eef --- /dev/null +++ b/arch/mips/jazz/jazz-platform.c @@ -0,0 +1,60 @@ +/* + * This file is subject to the terms and conditions of the GNU General Public + * License. See the file "COPYING" in the main directory of this archive + * for more details. + * + * Copyright (C) 2007 Ralf Baechle (ralf@linux-mips.org) + */ +#include <linux/init.h> +#include <linux/module.h> +#include <linux/serial_8250.h> + +#include <asm/jazz.h> + +/* + * Confusion ... It seems the original Microsoft Jazz machine used to have a + * 4.096MHz clock for its UART while the MIPS Magnum and Millenium systems + * had 8MHz. The Olivetti M700-10 and the Acer PICA have 1.8432MHz like PCs. + */ +#ifdef CONFIG_OLIVETTI_M700 +#define JAZZ_BASE_BAUD 1843200 +#else +#define JAZZ_BASE_BAUD 8000000 /* 3072000 */ +#endif + +#define JAZZ_UART_FLAGS (UPF_BOOT_AUTOCONF | UPF_SKIP_TEST | UPF_IOREMAP) + +#define JAZZ_PORT(base, int) \ +{ \ + .mapbase = base, \ + .irq = int, \ + .uartclk = JAZZ_BASE_BAUD, \ + .iotype = UPIO_MEM, \ + .flags = JAZZ_UART_FLAGS, \ + .regshift = 0, \ +} + +static struct plat_serial8250_port uart8250_data[] = { + JAZZ_PORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), + JAZZ_PORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), + { }, +}; + +static struct platform_device uart8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = uart8250_data, + }, +}; + +static int __init uart8250_init(void) +{ + return platform_device_register(&uart8250_device); +} + +module_init(uart8250_init); + +MODULE_AUTHOR("Ralf Baechle <ralf@linux-mips.org>"); +MODULE_LICENSE("GPL"); +MODULE_DESCRIPTION("8250 UART probe driver for the Jazz family"); |