| /***************************************************************************/ |
| |
| /* |
| * linux/arch/m68knommu/platform/5272/config.c |
| * |
| * Copyright (C) 1999-2002, Greg Ungerer (gerg@snapgear.com) |
| * Copyright (C) 2001-2002, SnapGear Inc. (www.snapgear.com) |
| */ |
| |
| /***************************************************************************/ |
| |
| #include <linux/kernel.h> |
| #include <linux/param.h> |
| #include <linux/init.h> |
| #include <linux/io.h> |
| #include <linux/phy.h> |
| #include <linux/phy_fixed.h> |
| #include <asm/machdep.h> |
| #include <asm/coldfire.h> |
| #include <asm/mcfsim.h> |
| #include <asm/mcfuart.h> |
| |
| /***************************************************************************/ |
| |
| /* |
| * Some platforms need software versions of the GPIO data registers. |
| */ |
| unsigned short ppdata; |
| unsigned char ledbank = 0xff; |
| |
| /***************************************************************************/ |
| |
| static struct resource m5272_fec_resources[] = { |
| { |
| .start = MCF_MBAR + 0x840, |
| .end = MCF_MBAR + 0x840 + 0x1cf, |
| .flags = IORESOURCE_MEM, |
| }, |
| { |
| .start = MCF_IRQ_ERX, |
| .end = MCF_IRQ_ERX, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .start = MCF_IRQ_ETX, |
| .end = MCF_IRQ_ETX, |
| .flags = IORESOURCE_IRQ, |
| }, |
| { |
| .start = MCF_IRQ_ENTC, |
| .end = MCF_IRQ_ENTC, |
| .flags = IORESOURCE_IRQ, |
| }, |
| }; |
| |
| static struct platform_device m5272_fec = { |
| .name = "fec", |
| .id = 0, |
| .num_resources = ARRAY_SIZE(m5272_fec_resources), |
| .resource = m5272_fec_resources, |
| }; |
| |
| static struct platform_device *m5272_devices[] __initdata = { |
| &m5272_fec, |
| }; |
| |
| /***************************************************************************/ |
| |
| static void __init m5272_uarts_init(void) |
| { |
| u32 v; |
| |
| /* Enable the output lines for the serial ports */ |
| v = readl(MCF_MBAR + MCFSIM_PBCNT); |
| v = (v & ~0x000000ff) | 0x00000055; |
| writel(v, MCF_MBAR + MCFSIM_PBCNT); |
| |
| v = readl(MCF_MBAR + MCFSIM_PDCNT); |
| v = (v & ~0x000003fc) | 0x000002a8; |
| writel(v, MCF_MBAR + MCFSIM_PDCNT); |
| } |
| |
| /***************************************************************************/ |
| |
| static void m5272_cpu_reset(void) |
| { |
| local_irq_disable(); |
| /* Set watchdog to reset, and enabled */ |
| __raw_writew(0, MCF_MBAR + MCFSIM_WIRR); |
| __raw_writew(1, MCF_MBAR + MCFSIM_WRRR); |
| __raw_writew(0, MCF_MBAR + MCFSIM_WCR); |
| for (;;) |
| /* wait for watchdog to timeout */; |
| } |
| |
| /***************************************************************************/ |
| |
| void __init config_BSP(char *commandp, int size) |
| { |
| #if defined (CONFIG_MOD5272) |
| volatile unsigned char *pivrp; |
| |
| /* Set base of device vectors to be 64 */ |
| pivrp = (volatile unsigned char *) (MCF_MBAR + MCFSIM_PIVR); |
| *pivrp = 0x40; |
| #endif |
| |
| #if defined(CONFIG_NETtel) || defined(CONFIG_SCALES) |
| /* Copy command line from FLASH to local buffer... */ |
| memcpy(commandp, (char *) 0xf0004000, size); |
| commandp[size-1] = 0; |
| #elif defined(CONFIG_CANCam) |
| /* Copy command line from FLASH to local buffer... */ |
| memcpy(commandp, (char *) 0xf0010000, size); |
| commandp[size-1] = 0; |
| #endif |
| |
| mach_reset = m5272_cpu_reset; |
| mach_sched_init = hw_timer_init; |
| } |
| |
| /***************************************************************************/ |
| |
| /* |
| * Some 5272 based boards have the FEC ethernet diectly connected to |
| * an ethernet switch. In this case we need to use the fixed phy type, |
| * and we need to declare it early in boot. |
| */ |
| static struct fixed_phy_status nettel_fixed_phy_status __initdata = { |
| .link = 1, |
| .speed = 100, |
| .duplex = 0, |
| }; |
| |
| /***************************************************************************/ |
| |
| static int __init init_BSP(void) |
| { |
| m5272_uarts_init(); |
| fixed_phy_add(PHY_POLL, 0, &nettel_fixed_phy_status); |
| platform_add_devices(m5272_devices, ARRAY_SIZE(m5272_devices)); |
| return 0; |
| } |
| |
| arch_initcall(init_BSP); |
| |
| /***************************************************************************/ |