Module Name: src
Committed By: matt
Date: Tue Sep 3 18:01:33 UTC 2013
Added Files:
src/sys/arch/evbarm/cubie: cubie_machdep.c cubie_start.S genassym.cf
platform.h
Log Message:
First attempt at initial evbarm support for cubieboard (compile tested).
To generate a diff of this commit:
cvs rdiff -u -r0 -r1.1 src/sys/arch/evbarm/cubie/cubie_machdep.c \
src/sys/arch/evbarm/cubie/cubie_start.S \
src/sys/arch/evbarm/cubie/genassym.cf \
src/sys/arch/evbarm/cubie/platform.h
Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.
Added files:
Index: src/sys/arch/evbarm/cubie/cubie_machdep.c
diff -u /dev/null src/sys/arch/evbarm/cubie/cubie_machdep.c:1.1
--- /dev/null Tue Sep 3 18:01:33 2013
+++ src/sys/arch/evbarm/cubie/cubie_machdep.c Tue Sep 3 18:01:33 2013
@@ -0,0 +1,685 @@
+/* $NetBSD: cubie_machdep.c,v 1.1 2013/09/03 18:01:33 matt Exp $ */
+
+/*
+ * Machine dependent functions for kernel setup for TI OSK5912 board.
+ * Based on lubbock_machdep.c which in turn was based on iq80310_machhdep.c
+ *
+ * Copyright (c) 2002, 2003, 2005 Genetec Corporation. All rights reserved.
+ * Written by Hiroyuki Bessho for Genetec Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of Genetec Corporation may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Copyright (c) 2001 Wasabi Systems, Inc.
+ * All rights reserved.
+ *
+ * Written by Jason R. Thorpe for Wasabi Systems, Inc.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed for the NetBSD Project by
+ * Wasabi Systems, Inc.
+ * 4. The name of Wasabi Systems, Inc. may not be used to endorse
+ * or promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL WASABI SYSTEMS, INC
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Copyright (c) 1997,1998 Mark Brinicombe.
+ * Copyright (c) 1997,1998 Causality Limited.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Mark Brinicombe
+ * for the NetBSD Project.
+ * 4. The name of the company nor the name of the author may be used to
+ * endorse or promote products derived from this software without specific
+ * prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Copyright (c) 2007 Microsoft
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Microsoft
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include <sys/cdefs.h>
+__KERNEL_RCSID(0, "$NetBSD: cubie_machdep.c,v 1.1 2013/09/03 18:01:33 matt Exp $");
+
+#include "opt_machdep.h"
+#include "opt_ddb.h"
+#include "opt_kgdb.h"
+#include "opt_ipkdb.h"
+#include "opt_md.h"
+#include "opt_com.h"
+#include "opt_allwinner.h"
+
+#include "com.h"
+#include "sdhc.h"
+#include "ukbd.h"
+
+#include <sys/param.h>
+#include <sys/systm.h>
+#include <sys/bus.h>
+#include <sys/cpu.h>
+#include <sys/device.h>
+#include <sys/exec.h>
+#include <sys/kernel.h>
+#include <sys/ksyms.h>
+#include <sys/msgbuf.h>
+#include <sys/proc.h>
+#include <sys/reboot.h>
+#include <sys/termios.h>
+#include <sys/gpio.h>
+
+#include <uvm/uvm_extern.h>
+
+#include <sys/conf.h>
+#include <dev/cons.h>
+#include <dev/md.h>
+
+#include <machine/db_machdep.h>
+#include <ddb/db_sym.h>
+#include <ddb/db_extern.h>
+#ifdef KGDB
+#include <sys/kgdb.h>
+#endif
+
+#include <machine/bootconfig.h>
+#include <arm/armreg.h>
+#include <arm/undefined.h>
+
+#include <arm/arm32/machdep.h>
+#include <arm/mainbus/mainbus.h>
+
+#include <dev/ic/ns16550reg.h>
+#include <dev/ic/comreg.h>
+
+#include <arm/allwinner/awin_reg.h>
+#include <arm/allwinner/awin_var.h>
+
+#include <evbarm/include/autoconf.h>
+#include <evbarm/cubie/platform.h>
+
+#include <dev/i2c/i2cvar.h>
+#include <dev/i2c/ddcreg.h>
+
+#include <dev/usb/ukbdvar.h>
+
+BootConfig bootconfig; /* Boot config storage */
+static char bootargs[MAX_BOOT_STRING];
+char *boot_args = NULL;
+char *boot_file = NULL;
+
+u_int uboot_args[4] = { 0 }; /* filled in by cubie_start.S (not in bss) */
+
+/* Same things, but for the free (unused by the kernel) memory. */
+
+extern char KERNEL_BASE_phys[];
+extern char _end[];
+
+#if NCOM > 0
+int use_fb_console = false;
+#else
+int use_fb_console = true;
+#endif
+
+#ifdef CPU_CORTEXA7
+uint32_t arm_cnt_frq;
+#endif
+
+/*
+ * Macros to translate between physical and virtual for a subset of the
+ * kernel address space. *Not* for general use.
+ */
+#define KERNEL_BASE_PHYS ((paddr_t)KERNEL_BASE_phys)
+#define AWIN_CORE_VOFFSET (AWIN_CORE_VBASE - AWIN_CORE_PBASE)
+
+/* Prototypes */
+
+void consinit(void);
+#ifdef KGDB
+static void kgdb_port_init(void);
+#endif
+
+static void init_clocks(void);
+static void cubie_device_register(device_t, void *);
+static void cubie_reset(void);
+static void awin_cpu_clk(void);
+static psize_t awin_memprobe(void);
+
+bs_protos(bs_notimpl);
+
+#if NCOM > 0
+#include <dev/ic/comreg.h>
+#include <dev/ic/comvar.h>
+#endif
+
+/*
+ * Static device mappings. These peripheral registers are mapped at
+ * fixed virtual addresses very early in initarm() so that we can use
+ * them while booting the kernel, and stay at the same address
+ * throughout whole kernel's life time.
+ *
+ * We use this table twice; once with bootstrap page table, and once
+ * with kernel's page table which we build up in initarm().
+ *
+ * Since we map these registers into the bootstrap page table using
+ * pmap_devmap_bootstrap() which calls pmap_map_chunk(), we map
+ * registers segment-aligned and segment-rounded in order to avoid
+ * using the 2nd page tables.
+ */
+
+#define _A(a) ((a) & ~L1_S_OFFSET)
+#define _S(s) (((s) + L1_S_SIZE - 1) & ~(L1_S_SIZE-1))
+
+static const struct pmap_devmap devmap[] = {
+ {
+ /*
+ * Map all of core area, this gets us everything and
+ * it's only 3MB.
+ */
+ .pd_va = _A(AWIN_CORE_VBASE),
+ .pd_pa = _A(AWIN_CORE_PBASE),
+ .pd_size = _S(AWIN_CORE_SIZE),
+ .pd_prot = VM_PROT_READ|VM_PROT_WRITE,
+ .pd_cache = PTE_NOCACHE
+ },
+ {
+ /*
+ * Map all 1MB of SRAM area.
+ */
+ .pd_va = _A(AWIN_SRAM_VBASE),
+ .pd_pa = _A(AWIN_SRAM_PBASE),
+ .pd_size = _S(AWIN_SRAM_SIZE),
+ .pd_prot = VM_PROT_READ|VM_PROT_WRITE,
+ .pd_cache = PTE_CACHE
+ },
+ {0}
+};
+
+#undef _A
+#undef _S
+
+#ifdef DDB
+static void
+cubie_db_trap(int where)
+{
+ static bool oldstate;
+
+ if (where) {
+ oldstate = awinwdt_enable(false);
+ } else {
+ awinwdt_enable(oldstate);
+ }
+}
+#endif
+
+void cubie_putchar(char c);
+void
+cubie_putchar(char c)
+{
+#if NCOM > 0
+ volatile uint32_t *com0addr = (volatile uint32_t *)CONADDR_VA;
+ int timo = 150000;
+
+ while ((com0addr[com_lsr] & LSR_TXRDY) == 0) {
+ if (--timo == 0)
+ break;
+ }
+
+ com0addr[com_data] = c;
+
+ while ((com0addr[com_lsr] & LSR_TXRDY) == 0) {
+ if (--timo == 0)
+ break;
+ }
+#endif
+}
+
+/*
+ * u_int initarm(...)
+ *
+ * Initial entry point on startup. This gets called before main() is
+ * entered.
+ * It should be responsible for setting up everything that must be
+ * in place when main is called.
+ * This includes
+ * Taking a copy of the boot configuration structure.
+ * Initialising the physical console so characters can be printed.
+ * Setting up page tables for the kernel
+ * Relocating the kernel to the bottom of physical memory
+ */
+u_int
+initarm(void *arg)
+{
+ psize_t ram_size = 0;
+ char *ptr;
+
+#if 1
+ cubie_putchar('d');
+#endif
+
+ /*
+ * When we enter here, we are using a temporary first level translation
+ * table with section entries in it to cover the core peripherals and
+ * SDRAM. The temporary first level translation table is well after
+ * the kernel.
+ */
+ awin_cpu_clk(); // find our CPU speed.
+
+ /* Heads up ... Setup the CPU / MMU / TLB functions. */
+ if (set_cpufuncs())
+ panic("cpu not recognized!");
+
+ init_clocks();
+
+ /* The console is going to try to map things. Give pmap a devmap. */
+ pmap_devmap_register(devmap);
+ consinit();
+#if defined(TI_AM335X) && defined(VERBOSE_INIT_ARM)
+ am335x_cpu_clk(); // find our CPU speed.
+#endif
+ printf("\nuboot arg = %#x, %#x, %#x, %#x\n",
+ uboot_args[0], uboot_args[1], uboot_args[2], uboot_args[3]);
+
+#ifdef KGDB
+ kgdb_port_init();
+#endif
+
+ cpu_reset_address = cubie_reset;
+
+#ifdef VERBOSE_INIT_ARM
+ /* Talk to the user */
+ printf("\nNetBSD/evbarm (cubie) booting ...\n");
+#endif
+
+#ifdef BOOT_ARGS
+ char mi_bootargs[] = BOOT_ARGS;
+ parse_mi_bootargs(mi_bootargs);
+#endif
+
+#ifdef VERBOSE_INIT_ARM
+ printf("initarm: Configuring system ...\n");
+#endif
+
+#if defined(CPU_CORTEXA7) || defined(CPU_CORTEXA9) || defined(CPU_CORTEXA15)
+ printf("initarm: cbar=%#x\n", armreg_cbar_read());
+#endif
+
+ /*
+ * Set up the variables that define the availability of physical
+ * memory.
+ */
+ ram_size = awin_memprobe();
+
+ /*
+ * If MEMSIZE specified less than what we really have, limit ourselves
+ * to that.
+ */
+#ifdef MEMSIZE
+ if (ram_size == 0 || ram_size > (unsigned)MEMSIZE * 1024 * 1024)
+ ram_size = (unsigned)MEMSIZE * 1024 * 1024;
+#else
+ KASSERTMSG(ram_size > 0, "RAM size unknown and MEMSIZE undefined");
+#endif
+
+ /* Fake bootconfig structure for the benefit of pmap.c. */
+ bootconfig.dramblocks = 1;
+ bootconfig.dram[0].address = KERNEL_BASE_PHYS & -0x400000;
+ bootconfig.dram[0].pages = ram_size / PAGE_SIZE;
+
+#ifdef __HAVE_MM_MD_DIRECT_MAPPED_PHYS
+ const bool mapallmem_p = true;
+ KASSERT(ram_size <= KERNEL_VM_BASE - KERNEL_BASE);
+#else
+ const bool mapallmem_p = false;
+#endif
+ KASSERT((armreg_pfr1_read() & ARM_PFR1_SEC_MASK) != 0);
+
+ /* "bootargs" env variable is passed as 4th argument to kernel */
+ if (uboot_args[3] - AWIN_SDRAM_PBASE < ram_size) {
+ strlcpy(bootargs, (char *)uboot_args[3], sizeof(bootargs));
+ }
+
+ arm32_bootmem_init(bootconfig.dram[0].address, ram_size,
+ KERNEL_BASE_PHYS);
+ arm32_kernel_vm_init(KERNEL_VM_BASE, ARM_VECTORS_LOW, 0, devmap,
+ mapallmem_p);
+
+ boot_args = bootargs;
+ parse_mi_bootargs(boot_args);
+
+ /* we've a specific device_register routine */
+ evbarm_device_register = cubie_device_register;
+
+ db_trap_callback = cubie_db_trap;
+
+ if (get_bootconf_option(boot_args, "console",
+ BOOTOPT_TYPE_STRING, &ptr) && strncmp(ptr, "fb", 2) == 0) {
+ use_fb_console = true;
+ }
+
+ return initarm_common(KERNEL_VM_BASE, KERNEL_VM_SIZE, NULL, 0);
+
+}
+
+static void
+init_clocks(void)
+{
+}
+
+#if NCOM > 0
+#ifndef CONADDR
+#define CONADDR (AWIN_CORE_PBASE + AWIN_UART0_OFFSET)
+#endif
+#ifndef CONSPEED
+#define CONSPEED 115200
+#endif
+#ifndef CONMODE
+#define CONMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
+#endif
+
+static const bus_addr_t conaddr = CONADDR;
+static const int conspeed = CONSPEED;
+static const int conmode = CONMODE;
+#endif
+
+void
+consinit(void)
+{
+#if NCOM > 0
+ bus_space_handle_t bh;
+#endif
+ static int consinit_called = 0;
+
+ if (consinit_called != 0)
+ return;
+
+ consinit_called = 1;
+
+ cubie_putchar('e');
+
+#if NCOM > 0
+ if (bus_space_map(&awin_a4x_bs_tag, conaddr, AWIN_UART_SIZE, 0, &bh))
+ panic("Serial console can not be mapped.");
+
+ if (comcnattach(&awin_a4x_bs_tag, conaddr, conspeed, AWIN_UART_FREQ,
+ COM_TYPE_NORMAL, conmode))
+ panic("Serial console can not be initialized.");
+
+ bus_space_unmap(&awin_a4x_bs_tag, bh, AWIN_UART_SIZE);
+#else
+#error only COM console is supported
+
+#if NUKBD > 0
+ ukbd_cnattach(); /* allow USB keyboard to become console */
+#endif
+#endif
+
+ cubie_putchar('f');
+ cubie_putchar('g');
+}
+
+void
+cubie_reset(void)
+{
+ *(volatile uint32_t *)(AWIN_CORE_VBASE + AWIN_CPUCNF_OFFSET + AWIN_CPU0_RST_CTRL_REG) = AWIN_CPU_RESET;
+}
+
+#ifdef KGDB
+#ifndef KGDB_DEVADDR
+#error Specify the address of the kgdb UART with the KGDB_DEVADDR option.
+#endif
+#ifndef KGDB_DEVRATE
+#define KGDB_DEVRATE 115200
+#endif
+
+#ifndef KGDB_DEVMODE
+#define KGDB_DEVMODE ((TTYDEF_CFLAG & ~(CSIZE | CSTOPB | PARENB)) | CS8) /* 8N1 */
+#endif
+static const vaddr_t comkgdbaddr = KGDB_DEVADDR;
+static const int comkgdbspeed = KGDB_DEVRATE;
+static const int comkgdbmode = KGDB_DEVMODE;
+
+void
+static kgdb_port_init(void)
+{
+ static int kgdbsinit_called = 0;
+
+ if (kgdbsinit_called != 0)
+ return;
+
+ kgdbsinit_called = 1;
+
+ bus_space_handle_t bh;
+ if (bus_space_map(&awin_a4x_bs_tag, comkgdbaddr, OMAP_COM_SIZE, 0, &bh))
+ panic("kgdb port can not be mapped.");
+
+ if (com_kgdb_attach(&awin_a4x_bs_tag, comkgdbaddr, comkgdbspeed,
+ OMAP_COM_FREQ, COM_TYPE_NORMAL, comkgdbmode))
+ panic("KGDB uart can not be initialized.");
+
+ bus_space_unmap(&awin_a4x_bs_tag, bh, OMAP_COM_SIZE);
+}
+#endif
+
+void
+awin_cpu_clk(void)
+{
+ struct cpu_info * const ci = curcpu();
+ const vaddr_t ccu_base = AWIN_CORE_VBASE + AWIN_CCM_OFFSET;
+ const uint32_t cpu0_cfg = *(const volatile uint32_t *)(ccu_base + AWIN_CPU_AHB_APB0_CFG_REG);
+ const u_int cpu_clk_sel = __SHIFTIN(cpu0_cfg, AWIN_CPU_CLK_SRC_SEL);
+ switch (cpu_clk_sel) {
+ case AWIN_CPU_CLK_SRC_SEL_LOSC:
+ ci->ci_data.cpu_cc_freq = 32768;
+ break;
+ case AWIN_CPU_CLK_SRC_SEL_OSC24M:
+ ci->ci_data.cpu_cc_freq = 24000000;
+ break;
+ case AWIN_CPU_CLK_SRC_SEL_PLL1: {
+ const uint32_t pll1_cfg = *(const volatile uint32_t *)(ccu_base + AWIN_PLL1_CFG_REG);
+ u_int p = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_OUT_EXP_DIVP);
+ u_int n = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_FACTOR_N);
+ u_int k = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_FACTOR_K) + 1;
+ u_int m = __SHIFTOUT(pll1_cfg, AWIN_PLL_CFG_FACTOR_M) + 1;
+ ci->ci_data.cpu_cc_freq = (24000000 * (n ? n : 1) * k / m) >> p;
+ break;
+ }
+ case AWIN_CPU_CLK_SRC_SEL_200MHZ:
+ ci->ci_data.cpu_cc_freq = 200000000;
+ break;
+ }
+
+#if defined(CPU_CORTEXA7) && 0
+ if ((armreg_pfr1_read() & ARM_PFR1_GTIMER_MASK) != 0) {
+ cubie_putchar('0');
+ uint32_t voffset = OMAP_L4_PERIPHERAL_VBASE - OMAP_L4_PERIPHERAL_BASE;
+ uint32_t frac1_reg = OMAP5_PRM_FRAC_INCREMENTER_NUMERATOR;
+ uint32_t frac2_reg = OMAP5_PRM_FRAC_INCREMENTER_DENUMERATOR_RELOAD;
+ uint32_t frac1 = *(volatile uint32_t *)(frac1_reg + voffset);
+ cubie_putchar('1');
+ uint32_t frac2 = *(volatile uint32_t *)(frac2_reg + voffset);
+ cubie_putchar('2');
+ uint32_t numer = __SHIFTOUT(frac1, PRM_FRAC_INCR_NUM_SYS_MODE);
+ uint32_t denom = __SHIFTOUT(frac2, PRM_FRAC_INCR_DENUM_DENOMINATOR);
+ uint32_t freq = (uint64_t)awin_sys_clk * numer / denom;
+#if 1
+ if (freq != OMAP5_GTIMER_FREQ) {
+ static uint16_t numer_demon[8][2] = {
+ { 0, 0 }, /* not used */
+ { 26 * 64, 26 * 125 }, /* 12.0Mhz */
+ { 2 * 768, 2 * 1625 }, /* 13.0Mhz */
+ { 0, 0 }, /* 16.8Mhz (not used) */
+ { 130 * 8, 130 * 25 }, /* 19.2Mhz */
+ { 2 * 384, 2 * 1625 }, /* 26.0Mhz */
+ { 3 * 256, 3 * 1125 }, /* 27.0Mhz */
+ { 130 * 4, 130 * 25 }, /* 38.4Mhz */
+ };
+ if (numer_demon[clksel][0] != numer) {
+ frac1 &= ~PRM_FRAC_INCR_NUM_SYS_MODE;
+ frac1 |= numer_demon[clksel][0];
+ }
+ if (numer_demon[clksel][1] != denom) {
+ frac2 &= ~PRM_FRAC_INCR_DENUM_DENOMINATOR;
+ frac2 |= numer_demon[clksel][1];
+ }
+ *(volatile uint32_t *)(frac1_reg + voffset) = frac1;
+ *(volatile uint32_t *)(frac2_reg + voffset) = frac2
+ | PRM_FRAC_INCR_DENUM_RELOAD;
+ freq = OMAP5_GTIMER_FREQ;
+ }
+#endif
+ cubie_putchar('3');
+#if 0
+ if (gtimer_freq != freq) {
+ armreg_cnt_frq_write(freq); // secure only
+ }
+#endif
+ omap5_cnt_frq = freq;
+ cubie_putchar('4');
+ }
+#endif
+}
+
+static psize_t
+awin_memprobe(void)
+{
+ const uint32_t dcr = *(const volatile uint32_t *)(AWIN_CORE_VBASE + AWIN_DRAM_OFFSET + AWIN_DRAM_DCR_REG);
+
+ psize_t memsize = __SHIFTOUT(dcr, AWIN_DRAM_DCR_IO_WIDTH);
+ memsize <<= __SHIFTOUT(dcr, AWIN_DRAM_DCR_CHIP_DENSITY) + 28 - 3;
+#ifdef VERBOSE_INIT_ARM
+ printf("sdram_config = %#x, memsize = %uMB\n", dcr,
+ (u_int)(memsize >> 20));
+#endif
+ return memsize;
+}
+
+void
+cubie_device_register(device_t self, void *aux)
+{
+ prop_dictionary_t dict = device_properties(self);
+
+ if (device_is_a(self, "armperiph")
+ && device_is_a(device_parent(self), "mainbus")) {
+ /*
+ * XXX KLUDGE ALERT XXX
+ * The iot mainbus supplies is completely wrong since it scales
+ * addresses by 2. The simpliest remedy is to replace with our
+ * bus space used for the armcore regisers (which armperiph uses).
+ */
+ struct mainbus_attach_args * const mb = aux;
+ mb->mb_iot = &awin_bs_tag;
+ return;
+ }
+
+#if defined(CPU_CORTEXA7) || defined(CPU_CORTEXA15)
+ if (device_is_a(self, "armgtmr")) {
+ /*
+ * The frequency of the generic timer was figured out when
+ * determined the cpu frequency.
+ */
+ prop_dictionary_set_uint32(dict, "frequency", arm_cnt_frq);
+ }
+#endif
+
+ if (device_is_a(self, "ehci")) {
+ return;
+ }
+
+ if (device_is_a(self, "sdhc")) {
+#if 0
+ prop_dictionary_set_uint32(dict, "clkmask", 0);
+ prop_dictionary_set_bool(dict, "8bit", true);
+#endif
+ return;
+ }
+
+ if (device_is_a(self, "com")) {
+ if (use_fb_console)
+ prop_dictionary_set_bool(dict, "is_console", false);
+ }
+}
Index: src/sys/arch/evbarm/cubie/cubie_start.S
diff -u /dev/null src/sys/arch/evbarm/cubie/cubie_start.S:1.1
--- /dev/null Tue Sep 3 18:01:33 2013
+++ src/sys/arch/evbarm/cubie/cubie_start.S Tue Sep 3 18:01:33 2013
@@ -0,0 +1,195 @@
+/*
+ * Machine dependent startup code for BEAGLEBOARD boards.
+ * Based on omap_start.S
+ *
+ * Copyright (c) 2002, 2003 Genetec Corporation. All rights reserved.
+ * Written by Hiroyuki Bessho for Genetec Corporation.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. The name of Genetec Corporation may not be used to endorse or
+ * promote products derived from this software without specific prior
+ * written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY GENETEC CORPORATION ``AS IS'' AND
+ * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+ * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+ * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL GENETEC CORPORATION
+ * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ *
+ * Copyright (c) 2003
+ * Ichiro FUKUHARA <[email protected]>.
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ICHIRO FUKUHARA ``AS IS'' AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
+ * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ICHIRO FUKUHARA OR THE VOICES IN HIS HEAD BE LIABLE FOR
+ * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+ * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
+ * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ *
+ * Copyright (c) 2007 Microsoft
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Microsoft
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#include "opt_allwinner.h"
+#include "opt_com.h"
+#include "opt_cpuoptions.h"
+#include "opt_cputypes.h"
+#include "opt_multiprocessor.h"
+
+#include <arm/asm.h>
+#include <arm/armreg.h>
+#include "assym.h"
+
+#include <arm/allwinner/awin_reg.h>
+#include <evbarm/cubie/platform.h>
+
+RCSID("$NetBSD: cubie_start.S,v 1.1 2013/09/03 18:01:33 matt Exp $")
+
+#if defined(VERBOSE_INIT_ARM)
+#define XPUTC(n) mov r0, n; bl xputc
+#define COM_MULT 4
+#define XPUTC_COM 1
+#else
+#define XPUTC(n)
+#endif
+
+#define INIT_MEMSIZE 128
+#define TEMP_L1_TABLE (AWIN_SDRAM_PBASE + INIT_MEMSIZE * 0x100000 - L1_TABLE_SIZE)
+
+/*
+ * Kernel start routine for BEAGLEBOARD boards.
+ * At this point, this code has been loaded into SDRAM
+ * and the MMU is off
+ */
+ .section .start,"ax",%progbits
+
+ .global _C_LABEL(cubie_start)
+_C_LABEL(cubie_start):
+ /* Move into supervisor mode and disable IRQs/FIQs. */
+ cpsid if, #PSR_SVC32_MODE
+
+ /*
+ * Save any arguments passed to us (do it PIC).
+ */
+ movw r4, #:lower16:uboot_args-.LPIC0
+ movt r4, #:upper16:uboot_args-.LPIC0
+ add r4, r4, pc
+ stmia r4, {r0-r3}
+.LPIC0:
+#ifdef CPU_CORTEXA9
+ /*
+ * Turn on the SCU if we are on a Cortex-A9
+ */
+ bl a9_start
+ XPUTC(#67)
+#endif
+
+ /*
+ * Set up a preliminary mapping in the MMU to allow us to run
+ * at KERNEL_BASE with caches on.
+ */
+ movw r0, #:lower16:TEMP_L1_TABLE
+ movt r0, #:upper16:TEMP_L1_TABLE
+ adr r1, .Lmmu_init_table
+ bl arm_boot_l1pt_init
+
+ XPUTC(#68)
+
+ /*
+ * Turn on the MMU, Caches, etc.
+ */
+ movw r0, #:lower16:TEMP_L1_TABLE
+ movt r0, #:upper16:TEMP_L1_TABLE
+ bl arm_cpuinit
+
+ XPUTC(#90)
+ XPUTC(#13)
+ XPUTC(#10)
+
+ /*
+ * Jump to start in locore.S, which in turn will call initarm and main.
+ */
+ movw ip, #:lower16:start
+ movt ip, #:upper16:start
+ bx ip /* Jump to start (flushes pipeline). */
+ nop
+ nop
+ nop
+ nop
+
+ /* NOTREACHED */
+
+#include <arm/cortex/a9_mpsubr.S>
+
+.Lmmu_init_table:
+ /* Map KERNEL_BASE VA to SDRAM PA, write-back cacheable, shareable */
+ MMU_INIT(KERNEL_BASE, AWIN_SDRAM_PBASE,
+ (INIT_MEMSIZE * L1_S_SIZE + L1_S_SIZE - 1) / L1_S_SIZE,
+ L1_S_PROTO | L1_S_APv7_KRW | L1_S_B | L1_S_C | L1_S_V6_S)
+
+ /* Map memory 1:1 VA to PA, write-back cacheable, shareable */
+ MMU_INIT(AWIN_SDRAM_PBASE, AWIN_SDRAM_PBASE,
+ (INIT_MEMSIZE * L1_S_SIZE + L1_S_SIZE - 1) / L1_S_SIZE,
+ L1_S_PROTO | L1_S_APv7_KRW | L1_S_B | L1_S_C | L1_S_V6_S)
+
+ /* Map AWIN CORE (so console will work) */
+ MMU_INIT(AWIN_CORE_VBASE, AWIN_CORE_PBASE,
+ (AWIN_CORE_SIZE + L1_S_SIZE - 1) / L1_S_SIZE,
+ L1_S_PROTO | L1_S_APv7_KRW)
+
+ /* end of table */
+ MMU_INIT(0, 0, 0, 0)
+
+END(_C_LABEL(cubie_start))
Index: src/sys/arch/evbarm/cubie/genassym.cf
diff -u /dev/null src/sys/arch/evbarm/cubie/genassym.cf:1.1
--- /dev/null Tue Sep 3 18:01:33 2013
+++ src/sys/arch/evbarm/cubie/genassym.cf Tue Sep 3 18:01:33 2013
@@ -0,0 +1,38 @@
+# $NetBSD: genassym.cf,v 1.1 2013/09/03 18:01:33 matt Exp $
+
+#-
+# Copyright (c) 2013 The NetBSD Foundation, Inc.
+# All rights reserved.
+#
+# This code is derived from software contributed to The NetBSD Foundation
+# by Matt Thomas of 3am Software Foundry.
+#
+# Redistribution and use in source and binary forms, with or without
+# modification, are permitted provided that the following conditions
+# are met:
+# 1. Redistributions of source code must retain the above copyright
+# notice, this list of conditions and the following disclaimer.
+# 2. Redistributions in binary form must reproduce the above copyright
+# notice, this list of conditions and the following disclaimer in the
+# documentation and/or other materials provided with the distribution.
+#
+# THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
+# ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
+# TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+# PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
+# BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+# CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+# SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+# INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+# CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+# ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+# POSSIBILITY OF SUCH DAMAGE.
+#
+
+include <dev/ic/ns16550reg.h>
+include <dev/ic/comreg.h>
+
+define LSR_TXRDY LSR_TXRDY
+define LSR_TSRE LSR_TSRE
+define COM_DATA com_data
+define COM_LSR com_lsr
Index: src/sys/arch/evbarm/cubie/platform.h
diff -u /dev/null src/sys/arch/evbarm/cubie/platform.h:1.1
--- /dev/null Tue Sep 3 18:01:33 2013
+++ src/sys/arch/evbarm/cubie/platform.h Tue Sep 3 18:01:33 2013
@@ -0,0 +1,52 @@
+/* $NetBSD: platform.h,v 1.1 2013/09/03 18:01:33 matt Exp $ */
+/*
+ * Copyright (c) 2007 Microsoft
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ * 3. All advertising materials mentioning features or use of this software
+ * must display the following acknowledgement:
+ * This product includes software developed by Microsoft
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTERS BE LIABLE FOR ANY DIRECT,
+ * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
+ * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+ * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+ * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
+ * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
+ * SUCH DAMAGE.
+ */
+
+#ifndef _EVBARM_CUBIE_PLATFORM_H
+#define _EVBARM_CUBIE_PLATFORM_H
+
+#include <arm/allwinner/awin_reg.h>
+
+/*
+ * Memory may be mapped VA:PA starting at 0x80000000:0x40000000
+ * Kernel VM space: 512MB at KERNEL_VM_BASE
+ */
+#define KERNEL_VM_BASE 0xc0000000
+#define KERNEL_VM_SIZE 0x20000000
+
+/*
+ * We devmap IO starting at KERNEL_VM_BASE + KERNEL_VM_SIZE
+ */
+#define AWIN_KERNEL_IO_VBASE (KERNEL_VM_BASE + KERNEL_VM_SIZE)
+#define AWIN_CORE_VBASE AWIN_KERNEL_IO_VBASE
+#define AWIN_SRAM_VBASE (AWIN_CORE_VBASE + AWIN_CORE_SIZE)
+#define AWIN_KERNEL_IO_VEND (AWIN_SRAM_VBASE + AWIN_SRAM_SIZE)
+#define CONADDR_VA ((CONADDR - AWIN_CORE_PBASE) + AWIN_CORE_VBASE)
+
+#endif /* _EVBARM_CUBIE_PLATFORM_H */
