diff options
Diffstat (limited to 'arch/ppc/platforms/4xx/xilinx_ml300.c')
| -rw-r--r-- | arch/ppc/platforms/4xx/xilinx_ml300.c | 76 |
1 files changed, 52 insertions, 24 deletions
diff --git a/arch/ppc/platforms/4xx/xilinx_ml300.c b/arch/ppc/platforms/4xx/xilinx_ml300.c index e90d97f64f76..d97a7f269f97 100644 --- a/arch/ppc/platforms/4xx/xilinx_ml300.c +++ b/arch/ppc/platforms/4xx/xilinx_ml300.c @@ -1,6 +1,4 @@ /* - * arch/ppc/platforms/4xx/xilinx_ml300.c - * * Xilinx ML300 evaluation board initialization * * Author: MontaVista Software, Inc. @@ -17,12 +15,14 @@ #include <linux/tty.h> #include <linux/serial.h> #include <linux/serial_core.h> +#include <linux/serial_8250.h> #include <linux/serialP.h> #include <asm/io.h> #include <asm/machdep.h> -#include <asm/ocp.h> +#include <asm/ppc_sys.h> -#include <platforms/4xx/virtex-ii_pro.h> /* for NR_SER_PORTS */ +#include <syslib/gen550.h> +#include <platforms/4xx/xparameters/xparameters.h> /* * As an overview of how the following functions (platform_init, @@ -54,6 +54,22 @@ * ppc4xx_pic_init arch/ppc/syslib/xilinx_pic.c */ +/* Board specifications structures */ +struct ppc_sys_spec *cur_ppc_sys_spec; +struct ppc_sys_spec ppc_sys_specs[] = { + { + /* Only one entry, always assume the same design */ + .ppc_sys_name = "Xilinx ML300 Reference Design", + .mask = 0x00000000, + .value = 0x00000000, + .num_devices = 1, + .device_list = (enum ppc_sys_devices[]) + { + VIRTEX_UART, + }, + }, +}; + #if defined(XPAR_POWER_0_POWERDOWN_BASEADDR) static volatile unsigned *powerdown_base = @@ -80,28 +96,39 @@ ml300_map_io(void) #endif } +/* Early serial support functions */ static void __init +ml300_early_serial_init(int num, struct plat_serial8250_port *pdata) +{ +#if defined(CONFIG_SERIAL_TEXT_DEBUG) || defined(CONFIG_KGDB) + struct uart_port serial_req; + + memset(&serial_req, 0, sizeof(serial_req)); + serial_req.mapbase = pdata->mapbase; + serial_req.membase = pdata->membase; + serial_req.irq = pdata->irq; + serial_req.uartclk = pdata->uartclk; + serial_req.regshift = pdata->regshift; + serial_req.iotype = pdata->iotype; + serial_req.flags = pdata->flags; + gen550_init(num, &serial_req); +#endif +} + +void __init ml300_early_serial_map(void) { #ifdef CONFIG_SERIAL_8250 - struct serial_state old_ports[] = { SERIAL_PORT_DFNS }; - struct uart_port port; - int i; - - /* Setup ioremapped serial port access */ - for (i = 0; i < ARRAY_SIZE(old_ports); i++ ) { - memset(&port, 0, sizeof(port)); - port.membase = ioremap((phys_addr_t)(old_ports[i].iomem_base), 16); - port.irq = old_ports[i].irq; - port.uartclk = old_ports[i].baud_base * 16; - port.regshift = old_ports[i].iomem_reg_shift; - port.iotype = UPIO_MEM; - port.flags = UPF_BOOT_AUTOCONF | UPF_SKIP_TEST; - port.line = i; - - if (early_serial_setup(&port) != 0) { - printk("Early serial init of port %d failed\n", i); - } + struct plat_serial8250_port *pdata; + int i = 0; + + pdata = (struct plat_serial8250_port *) ppc_sys_get_pdata(VIRTEX_UART); + while(pdata && pdata->flags) + { + pdata->membase = ioremap(pdata->mapbase, 0x100); + ml300_early_serial_init(i, pdata); + pdata++; + i++; } #endif /* CONFIG_SERIAL_8250 */ } @@ -109,9 +136,8 @@ ml300_early_serial_map(void) void __init ml300_setup_arch(void) { - ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ - ml300_early_serial_map(); + ppc4xx_setup_arch(); /* calls ppc4xx_find_bridges() */ /* Identify the system */ printk(KERN_INFO "Xilinx Virtex-II Pro port\n"); @@ -131,6 +157,8 @@ platform_init(unsigned long r3, unsigned long r4, unsigned long r5, { ppc4xx_init(r3, r4, r5, r6, r7); + identify_ppc_sys_by_id(mfspr(SPRN_PVR)); + ppc_md.setup_arch = ml300_setup_arch; ppc_md.setup_io_mappings = ml300_map_io; ppc_md.init_IRQ = ml300_init_irq; |