diff options
Diffstat (limited to 'arch/mips/jazz/setup.c')
| -rw-r--r-- | arch/mips/jazz/setup.c | 134 |
1 files changed, 121 insertions, 13 deletions
diff --git a/arch/mips/jazz/setup.c b/arch/mips/jazz/setup.c index 798279e0669..cfc7dce78da 100644 --- a/arch/mips/jazz/setup.c +++ b/arch/mips/jazz/setup.c @@ -7,6 +7,7 @@ * * Copyright (C) 1996, 1997, 1998, 2001 by Ralf Baechle * Copyright (C) 2001 MIPS Technologies, Inc. + * Copyright (C) 2007 by Thomas Bogendoerfer */ #include <linux/eisa.h> #include <linux/hdreg.h> @@ -20,8 +21,11 @@ #include <linux/ide.h> #include <linux/pm.h> #include <linux/screen_info.h> +#include <linux/platform_device.h> +#include <linux/serial_8250.h> #include <asm/bootinfo.h> +#include <asm/i8253.h> #include <asm/irq.h> #include <asm/jazz.h> #include <asm/jazzdma.h> @@ -30,18 +34,12 @@ #include <asm/pgtable.h> #include <asm/time.h> #include <asm/traps.h> +#include <asm/mc146818-time.h> extern asmlinkage void jazz_handle_int(void); extern void jazz_machine_restart(char *command); -void __init plat_timer_setup(struct irqaction *irq) -{ - /* set the clock to 100 Hz */ - r4030_write_reg32(JAZZ_TIMER_INTERVAL, 9); - setup_irq(JAZZ_TIMER_IRQ, irq); -} - static struct resource jazz_io_resources[] = { { .start = 0x00, @@ -66,18 +64,21 @@ static struct resource jazz_io_resources[] = { } }; +void __init plat_time_init(void) +{ + setup_pit_timer(); +} + void __init plat_mem_setup(void) { int i; /* Map 0xe0000000 -> 0x0:800005C0, 0xe0010000 -> 0x1:30000580 */ - add_wired_entry (0x02000017, 0x03c00017, 0xe0000000, PM_64K); - + add_wired_entry(0x02000017, 0x03c00017, 0xe0000000, PM_64K); /* Map 0xe2000000 -> 0x0:900005C0, 0xe3010000 -> 0x0:910005C0 */ - add_wired_entry (0x02400017, 0x02440017, 0xe2000000, PM_16M); - + add_wired_entry(0x02400017, 0x02440017, 0xe2000000, PM_16M); /* Map 0xe4000000 -> 0x0:600005C0, 0xe4100000 -> 400005C0 */ - add_wired_entry (0x01800017, 0x01000017, 0xe4000000, PM_4M); + add_wired_entry(0x01800017, 0x01000017, 0xe4000000, PM_4M); set_io_port_base(JAZZ_PORT_BASE); #ifdef CONFIG_EISA @@ -94,6 +95,7 @@ void __init plat_mem_setup(void) _machine_restart = jazz_machine_restart; +#ifdef CONFIG_VT screen_info = (struct screen_info) { 0, 0, /* orig-x, orig-y */ 0, /* unused */ @@ -105,6 +107,112 @@ void __init plat_mem_setup(void) 0, /* orig_video_isVGA */ 16 /* orig_video_points */ }; +#endif - vdma_init(); + add_preferred_console("ttyS", 0, "9600"); } + +#ifdef CONFIG_OLIVETTI_M700 +#define UART_CLK 1843200 +#else +/* Some Jazz machines seem to have an 8MHz crystal clock but I don't know + exactly which ones ... XXX */ +#define UART_CLK (8000000 / 16) /* ( 3072000 / 16) */ +#endif + +#define MEMPORT(_base, _irq) \ + { \ + .mapbase = (_base), \ + .membase = (void *)(_base), \ + .irq = (_irq), \ + .uartclk = UART_CLK, \ + .iotype = UPIO_MEM, \ + .flags = UPF_BOOT_AUTOCONF, \ + } + +static struct plat_serial8250_port jazz_serial_data[] = { + MEMPORT(JAZZ_SERIAL1_BASE, JAZZ_SERIAL1_IRQ), + MEMPORT(JAZZ_SERIAL2_BASE, JAZZ_SERIAL2_IRQ), + { }, +}; + +static struct platform_device jazz_serial8250_device = { + .name = "serial8250", + .id = PLAT8250_DEV_PLATFORM, + .dev = { + .platform_data = jazz_serial_data, + }, +}; + +static struct resource jazz_esp_rsrc[] = { + { + .start = JAZZ_SCSI_BASE, + .end = JAZZ_SCSI_BASE + 31, + .flags = IORESOURCE_MEM + }, + { + .start = JAZZ_SCSI_DMA, + .end = JAZZ_SCSI_DMA, + .flags = IORESOURCE_MEM + }, + { + .start = JAZZ_SCSI_IRQ, + .end = JAZZ_SCSI_IRQ, + .flags = IORESOURCE_IRQ + } +}; + +static struct platform_device jazz_esp_pdev = { + .name = "jazz_esp", + .num_resources = ARRAY_SIZE(jazz_esp_rsrc), + .resource = jazz_esp_rsrc +}; + +static struct resource jazz_sonic_rsrc[] = { + { + .start = JAZZ_ETHERNET_BASE, + .end = JAZZ_ETHERNET_BASE + 0xff, + .flags = IORESOURCE_MEM + }, + { + .start = JAZZ_ETHERNET_IRQ, + .end = JAZZ_ETHERNET_IRQ, + .flags = IORESOURCE_IRQ + } +}; + +static struct platform_device jazz_sonic_pdev = { + .name = "jazzsonic", + .num_resources = ARRAY_SIZE(jazz_sonic_rsrc), + .resource = jazz_sonic_rsrc +}; + +static struct resource jazz_cmos_rsrc[] = { + { + .start = 0x70, + .end = 0x71, + .flags = IORESOURCE_IO + }, + { + .start = 8, + .end = 8, + .flags = IORESOURCE_IRQ + } +}; + +static struct platform_device jazz_cmos_pdev = { + .name = "rtc_cmos", + .num_resources = ARRAY_SIZE(jazz_cmos_rsrc), + .resource = jazz_cmos_rsrc +}; + +static int __init jazz_setup_devinit(void) +{ + platform_device_register(&jazz_serial8250_device); + platform_device_register(&jazz_esp_pdev); + platform_device_register(&jazz_sonic_pdev); + platform_device_register(&jazz_cmos_pdev); + return 0; +} + +device_initcall(jazz_setup_devinit); |