diff options
Diffstat (limited to 'arch/powerpc/boot')
64 files changed, 3749 insertions, 1675 deletions
diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 1aded8f759d0..5ba50c673390 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -40,6 +40,7 @@ $(obj)/ebony.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-taishan.o: BOOTCFLAGS += -mcpu=405 $(obj)/cuboot-katmai.o: BOOTCFLAGS += -mcpu=405 $(obj)/treeboot-walnut.o: BOOTCFLAGS += -mcpu=405 +$(obj)/virtex405-head.o: BOOTCFLAGS += -mcpu=405 zlib := inffast.c inflate.c inftrees.c @@ -64,7 +65,8 @@ src-plat := of.c cuboot-52xx.c cuboot-824x.c cuboot-83xx.c cuboot-85xx.c holly.c cuboot-bamboo.c cuboot-mpc7448hpc2.c cuboot-taishan.c \ fixed-head.S ep88xc.c ep405.c \ cuboot-katmai.c cuboot-rainier.c redboot-8xx.c ep8248e.c \ - cuboot-warp.c cuboot-85xx-cpm2.c + cuboot-warp.c cuboot-85xx-cpm2.c cuboot-yosemite.c simpleboot.c \ + virtex405-head.S src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -192,7 +194,7 @@ image-$(CONFIG_PPC_CHRP) += zImage.chrp image-$(CONFIG_PPC_EFIKA) += zImage.chrp image-$(CONFIG_PPC_PMAC) += zImage.pmac image-$(CONFIG_PPC_HOLLY) += zImage.holly -image-$(CONFIG_PPC_PRPMC2800) += zImage.prpmc2800 +image-$(CONFIG_PPC_PRPMC2800) += dtbImage.prpmc2800 image-$(CONFIG_PPC_ISERIES) += zImage.iseries image-$(CONFIG_DEFAULT_UIMAGE) += uImage @@ -216,6 +218,7 @@ image-$(CONFIG_RAINIER) += cuImage.rainier image-$(CONFIG_TAISHAN) += cuImage.taishan image-$(CONFIG_KATMAI) += cuImage.katmai image-$(CONFIG_WARP) += cuImage.warp +image-$(CONFIG_YOSEMITE) += cuImage.yosemite # Board ports in arch/powerpc/platform/8xx/Kconfig image-$(CONFIG_PPC_MPC86XADS) += cuImage.mpc866ads @@ -255,6 +258,7 @@ image-$(CONFIG_TQM8555) += cuImage.tqm8555 image-$(CONFIG_TQM8560) += cuImage.tqm8560 image-$(CONFIG_SBC8548) += cuImage.sbc8548 image-$(CONFIG_SBC8560) += cuImage.sbc8560 +image-$(CONFIG_KSI8560) += cuImage.ksi8560 # Board ports in arch/powerpc/platform/embedded6xx/Kconfig image-$(CONFIG_STORCENTER) += cuImage.storcenter @@ -285,11 +289,11 @@ $(obj)/zImage.%: vmlinux $(wrapperbits) $(call if_changed,wrap,$*) # dtbImage% - a dtbImage is a zImage with an embedded device tree blob -$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(dtstree)/%.dts - $(call if_changed,wrap,$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) +$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/%.dtb + $(call if_changed,wrap,$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(dtstree)/%.dts - $(call if_changed,wrap,$*,$(dtstree)/$*.dts) +$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/%.dtb + $(call if_changed,wrap,$*,,$(obj)/$*.dtb) # This cannot be in the root of $(src) as the zImage rule always adds a $(obj) # prefix @@ -302,14 +306,24 @@ $(obj)/zImage.iseries: vmlinux $(obj)/uImage: vmlinux $(wrapperbits) $(call if_changed,wrap,uboot) -$(obj)/cuImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) - $(call if_changed,wrap,cuboot-$*,$(dtstree)/$*.dts) +$(obj)/cuImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb) -$(obj)/treeImage.initrd.%: vmlinux $(dtstree)/%.dts $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts,,$(obj)/ramdisk.image.gz) +$(obj)/simpleImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,simpleboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) -$(obj)/treeImage.%: vmlinux $(dtstree)/%.dts $(wrapperbits) - $(call if_changed,wrap,treeboot-$*,$(dtstree)/$*.dts) +$(obj)/simpleImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,simpleboot-$*,,$(obj)/$*.dtb) + +$(obj)/treeImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz) + +$(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) + $(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb) + +# Rule to build device tree blobs +$(obj)/%.dtb: $(dtstree)/%.dts $(obj)/dtc + $(obj)/dtc -O dtb -o $(obj)/$*.dtb -b 0 $(DTS_FLAGS) $(dtstree)/$*.dts # If there isn't a platform selected then just strip the vmlinux. ifeq (,$(image-y)) @@ -326,7 +340,7 @@ install: $(CONFIGURE) $(addprefix $(obj)/, $(image-y)) # anything not in $(targets) clean-files += $(image-) $(initrd-) zImage zImage.initrd cuImage.* treeImage.* \ - otheros.bld + otheros.bld *.dtb # clean up files cached by wrapper clean-kernel := vmlinux.strip vmlinux.bin diff --git a/arch/powerpc/boot/bamboo.c b/arch/powerpc/boot/bamboo.c index 54b33f1500e2..b82cacbc60db 100644 --- a/arch/powerpc/boot/bamboo.c +++ b/arch/powerpc/boot/bamboo.c @@ -33,7 +33,8 @@ static void bamboo_fixups(void) ibm440ep_fixup_clocks(sysclk, 11059200, 25000000); ibm4xx_sdram_fixup_memsize(); ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00); - dt_fixup_mac_addresses(bamboo_mac0, bamboo_mac1); + dt_fixup_mac_address_by_alias("ethernet0", bamboo_mac0); + dt_fixup_mac_address_by_alias("ethernet1", bamboo_mac1); } void bamboo_init(void *mac0, void *mac1) diff --git a/arch/powerpc/boot/cpm-serial.c b/arch/powerpc/boot/cpm-serial.c index 28296facb2ae..19dc15abe43d 100644 --- a/arch/powerpc/boot/cpm-serial.c +++ b/arch/powerpc/boot/cpm-serial.c @@ -11,6 +11,7 @@ #include "types.h" #include "io.h" #include "ops.h" +#include "page.h" struct cpm_scc { u32 gsmrl; @@ -42,6 +43,22 @@ struct cpm_param { u16 tbase; u8 rfcr; u8 tfcr; + u16 mrblr; + u32 rstate; + u8 res1[4]; + u16 rbptr; + u8 res2[6]; + u32 tstate; + u8 res3[4]; + u16 tbptr; + u8 res4[6]; + u16 maxidl; + u16 idlc; + u16 brkln; + u16 brkec; + u16 brkcr; + u16 rmask; + u8 res5[4]; }; struct cpm_bd { @@ -54,10 +71,10 @@ static void *cpcr; static struct cpm_param *param; static struct cpm_smc *smc; static struct cpm_scc *scc; -struct cpm_bd *tbdf, *rbdf; +static struct cpm_bd *tbdf, *rbdf; static u32 cpm_cmd; -static u8 *muram_start; -static u32 muram_offset; +static void *cbd_addr; +static u32 cbd_offset; static void (*do_cmd)(int op); static void (*enable_port)(void); @@ -119,20 +136,25 @@ static int cpm_serial_open(void) out_8(¶m->rfcr, 0x10); out_8(¶m->tfcr, 0x10); - - rbdf = (struct cpm_bd *)muram_start; - rbdf->addr = (u8 *)(rbdf + 2); + out_be16(¶m->mrblr, 1); + out_be16(¶m->maxidl, 0); + out_be16(¶m->brkec, 0); + out_be16(¶m->brkln, 0); + out_be16(¶m->brkcr, 0); + + rbdf = cbd_addr; + rbdf->addr = (u8 *)rbdf - 1; rbdf->sc = 0xa000; rbdf->len = 1; tbdf = rbdf + 1; - tbdf->addr = (u8 *)(rbdf + 2) + 1; + tbdf->addr = (u8 *)rbdf - 2; tbdf->sc = 0x2000; tbdf->len = 1; sync(); - out_be16(¶m->rbase, muram_offset); - out_be16(¶m->tbase, muram_offset + sizeof(struct cpm_bd)); + out_be16(¶m->rbase, cbd_offset); + out_be16(¶m->tbase, cbd_offset + sizeof(struct cpm_bd)); do_cmd(CPM_CMD_INIT_RX_TX); @@ -175,10 +197,12 @@ static unsigned char cpm_serial_getc(void) int cpm_console_init(void *devp, struct serial_console_data *scdp) { - void *reg_virt[2]; - int is_smc = 0, is_cpm2 = 0, n; - unsigned long reg_phys; + void *vreg[2]; + u32 reg[2]; + int is_smc = 0, is_cpm2 = 0; void *parent, *muram; + void *muram_addr; + unsigned long muram_offset, muram_size; if (dt_is_compatible(devp, "fsl,cpm1-smc-uart")) { is_smc = 1; @@ -202,63 +226,64 @@ int cpm_console_init(void *devp, struct serial_console_data *scdp) else do_cmd = cpm1_cmd; - n = getprop(devp, "fsl,cpm-command", &cpm_cmd, 4); - if (n < 4) + if (getprop(devp, "fsl,cpm-command", &cpm_cmd, 4) < 4) return -1; - n = getprop(devp, "virtual-reg", reg_virt, sizeof(reg_virt)); - if (n < (int)sizeof(reg_virt)) { - for (n = 0; n < 2; n++) { - if (!dt_xlate_reg(devp, n, ®_phys, NULL)) - return -1; - - reg_virt[n] = (void *)reg_phys; - } - } + if (dt_get_virtual_reg(devp, vreg, 2) < 2) + return -1; if (is_smc) - smc = reg_virt[0]; + smc = vreg[0]; else - scc = reg_virt[0]; + scc = vreg[0]; - param = reg_virt[1]; + param = vreg[1]; parent = get_parent(devp); if (!parent) return -1; - n = getprop(parent, "virtual-reg", reg_virt, sizeof(reg_virt)); - if (n < (int)sizeof(reg_virt)) { - if (!dt_xlate_reg(parent, 0, ®_phys, NULL)) - return -1; - - reg_virt[0] = (void *)reg_phys; - } - - cpcr = reg_virt[0]; + if (dt_get_virtual_reg(parent, &cpcr, 1) < 1) + return -1; muram = finddevice("/soc/cpm/muram/data"); if (!muram) return -1; /* For bootwrapper-compatible device trees, we assume that the first - * entry has at least 18 bytes, and that #address-cells/#data-cells + * entry has at least 128 bytes, and that #address-cells/#data-cells * is one for both parent and child. */ - n = getprop(muram, "virtual-reg", reg_virt, sizeof(reg_virt)); - if (n < (int)sizeof(reg_virt)) { - if (!dt_xlate_reg(muram, 0, ®_phys, NULL)) - return -1; + if (dt_get_virtual_reg(muram, &muram_addr, 1) < 1) + return -1; - reg_virt[0] = (void *)reg_phys; - } + if (getprop(muram, "reg", reg, 8) < 8) + return -1; - muram_start = reg_virt[0]; + muram_offset = reg[0]; + muram_size = reg[1]; - n = getprop(muram, "reg", &muram_offset, 4); - if (n < 4) - return -1; + /* Store the buffer descriptors at the end of the first muram chunk. + * For SMC ports on CPM2-based platforms, relocate the parameter RAM + * just before the buffer descriptors. + */ + + cbd_offset = muram_offset + muram_size - 2 * sizeof(struct cpm_bd); + + if (is_cpm2 && is_smc) { + u16 *smc_base = (u16 *)param; + u16 pram_offset; + + pram_offset = cbd_offset - 64; + pram_offset = _ALIGN_DOWN(pram_offset, 64); + + disable_port(); + out_be16(smc_base, pram_offset); + param = muram_addr - muram_offset + pram_offset; + } + + cbd_addr = muram_addr - muram_offset + cbd_offset; scdp->open = cpm_serial_open; scdp->putc = cpm_serial_putc; diff --git a/arch/powerpc/boot/cuboot-pq2.c b/arch/powerpc/boot/cuboot-pq2.c index f56ac6cae9f3..9c7d13428293 100644 --- a/arch/powerpc/boot/cuboot-pq2.c +++ b/arch/powerpc/boot/cuboot-pq2.c @@ -128,7 +128,7 @@ static void fixup_pci(void) u8 *soc_regs; int i, len; void *node, *parent_node; - u32 naddr, nsize, mem_log2; + u32 naddr, nsize, mem_pow2, mem_mask; node = finddevice("/pci"); if (!node || !dt_is_compatible(node, "fsl,pq2-pci")) @@ -141,7 +141,7 @@ static void fixup_pci(void) soc_regs = (u8 *)fsl_get_immr(); if (!soc_regs) - goto err; + goto unhandled; dt_get_reg_format(node, &naddr, &nsize); if (naddr != 3 || nsize != 2) @@ -153,7 +153,7 @@ static void fixup_pci(void) dt_get_reg_format(parent_node, &naddr, &nsize); if (naddr != 1 || nsize != 1) - goto err; + goto unhandled; len = getprop(node, "ranges", pci_ranges_buf, sizeof(pci_ranges_buf)); @@ -170,14 +170,20 @@ static void fixup_pci(void) } if (!mem || !mmio || !io) - goto err; + goto unhandled; + if (mem->size[1] != mmio->size[1]) + goto unhandled; + if (mem->size[1] & (mem->size[1] - 1)) + goto unhandled; + if (io->size[1] & (io->size[1] - 1)) + goto unhandled; if (mem->phys_addr + mem->size[1] == mmio->phys_addr) mem_base = mem; else if (mmio->phys_addr + mmio->size[1] == mem->phys_addr) mem_base = mmio; else - goto err; + goto unhandled; out_be32(&pci_regs[1][0], mem_base->phys_addr | 1); out_be32(&pci_regs[2][0], ~(mem->size[1] + mmio->size[1] - 1)); @@ -201,8 +207,9 @@ static void fixup_pci(void) out_le32(&pci_regs[0][58], 0); out_le32(&pci_regs[0][60], 0); - mem_log2 = 1 << (__ilog2_u32(bd.bi_memsize - 1) + 1); - out_le32(&pci_regs[0][62], 0xa0000000 | ~((1 << (mem_log2 - 12)) - 1)); + mem_pow2 = 1 << (__ilog2_u32(bd.bi_memsize - 1) + 1); + mem_mask = ~(mem_pow2 - 1) >> 12; + out_le32(&pci_regs[0][62], 0xa0000000 | mem_mask); /* If PCI is disabled, drive RST high to enable. */ if (!(in_le32(&pci_regs[0][32]) & 1)) { @@ -228,7 +235,11 @@ static void fixup_pci(void) return; err: - printf("Bad PCI node\r\n"); + printf("Bad PCI node -- using existing firmware setup.\r\n"); + return; + +unhandled: + printf("Unsupported PCI node -- using existing firmware setup.\r\n"); } static void pq2_platform_fixups(void) diff --git a/arch/powerpc/boot/cuboot-rainier.c b/arch/powerpc/boot/cuboot-rainier.c index cf452b66dce8..0a3fddee54df 100644 --- a/arch/powerpc/boot/cuboot-rainier.c +++ b/arch/powerpc/boot/cuboot-rainier.c @@ -42,7 +42,8 @@ static void rainier_fixups(void) ibm440ep_fixup_clocks(sysclk, 11059200, 50000000); ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); ibm4xx_denali_fixup_memsize(); - dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); } void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, diff --git a/arch/powerpc/boot/cuboot-sequoia.c b/arch/powerpc/boot/cuboot-sequoia.c index f555575a44de..caf8f2e842ea 100644 --- a/arch/powerpc/boot/cuboot-sequoia.c +++ b/arch/powerpc/boot/cuboot-sequoia.c @@ -42,7 +42,8 @@ static void sequoia_fixups(void) ibm440ep_fixup_clocks(sysclk, 11059200, 50000000); ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); ibm4xx_denali_fixup_memsize(); - dt_fixup_mac_addresses(&bd.bi_enetaddr, &bd.bi_enet1addr); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); } void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, diff --git a/arch/powerpc/boot/cuboot-taishan.c b/arch/powerpc/boot/cuboot-taishan.c index b55b80467eed..9bc906a754dd 100644 --- a/arch/powerpc/boot/cuboot-taishan.c +++ b/arch/powerpc/boot/cuboot-taishan.c @@ -40,7 +40,8 @@ static void taishan_fixups(void) ibm4xx_sdram_fixup_memsize(); - dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); } diff --git a/arch/powerpc/boot/cuboot-warp.c b/arch/powerpc/boot/cuboot-warp.c index 3db93e85e9ea..eb108a877492 100644 --- a/arch/powerpc/boot/cuboot-warp.c +++ b/arch/powerpc/boot/cuboot-warp.c @@ -24,7 +24,7 @@ static void warp_fixups(void) ibm440ep_fixup_clocks(sysclk, 11059200, 50000000); ibm4xx_sdram_fixup_memsize(); ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); - dt_fixup_mac_addresses(&bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); } diff --git a/arch/powerpc/boot/cuboot-yosemite.c b/arch/powerpc/boot/cuboot-yosemite.c new file mode 100644 index 000000000000..cc6e338c5d0d --- /dev/null +++ b/arch/powerpc/boot/cuboot-yosemite.c @@ -0,0 +1,44 @@ +/* + * Old U-boot compatibility for Yosemite + * + * Author: Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Copyright 2008 IBM Corporation + * + * This program is free software; you can redistribute it and/or modify it + * under the terms of the GNU General Public License version 2 as published + * by the Free Software Foundation. + */ + +#include "ops.h" +#include "stdio.h" +#include "4xx.h" +#include "44x.h" +#include "cuboot.h" + +#define TARGET_4xx +#define TARGET_44x +#include "ppcboot.h" + +static bd_t bd; + +static void yosemite_fixups(void) +{ + unsigned long sysclk = 66666666; + + ibm440ep_fixup_clocks(sysclk, 11059200, 50000000); + ibm4xx_sdram_fixup_memsize(); + ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00); + dt_fixup_mac_address_by_alias("ethernet0", bd.bi_enetaddr); + dt_fixup_mac_address_by_alias("ethernet1", bd.bi_enet1addr); +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + platform_ops.fixups = yosemite_fixups; + platform_ops.exit = ibm44x_dbcr_reset; + fdt_init(_dtb_start); + serial_console_init(); +} diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index 60f561e307a9..5d12336dc360 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -350,3 +350,23 @@ int dt_is_compatible(void *node, const char *compat) return 0; } + +int dt_get_virtual_reg(void *node, void **addr, int nres) +{ + unsigned long xaddr; + int n; + + n = getprop(node, "virtual-reg", addr, nres * 4); + if (n > 0) + return n / 4; + + for (n = 0; n < nres; n++) { + if (!dt_xlate_reg(node, n, &xaddr, NULL)) + break; + + addr[n] = (void *)xaddr; + } + + return n; +} + diff --git a/arch/powerpc/boot/dts/bamboo.dts b/arch/powerpc/boot/dts/bamboo.dts index 7dc37c9a7446..ba2521bdaab1 100644 --- a/arch/powerpc/boot/dts/bamboo.dts +++ b/arch/powerpc/boot/dts/bamboo.dts @@ -204,7 +204,6 @@ }; EMAC0: ethernet@ef600e00 { - linux,network-index = <0>; device_type = "network"; compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac"; interrupt-parent = <&UIC1>; @@ -225,7 +224,6 @@ }; EMAC1: ethernet@ef600f00 { - linux,network-index = <1>; device_type = "network"; compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac"; interrupt-parent = <&UIC1>; diff --git a/arch/powerpc/boot/dts/canyonlands.dts b/arch/powerpc/boot/dts/canyonlands.dts new file mode 100644 index 000000000000..6f3d38a1554f --- /dev/null +++ b/arch/powerpc/boot/dts/canyonlands.dts @@ -0,0 +1,402 @@ +/* + * Device Tree Source for AMCC Canyonlands (460EX) + * + * Copyright 2008 DENX Software Engineering, Stefan Roese <sr@denx.de> + * + * This file is licensed under the terms of the GNU General Public + * License version 2. This program is licensed "as is" without + * any warranty of any kind, whether express or implied. + */ + +/ { + #address-cells = <2>; + #size-cells = <1>; + model = "amcc,canyonlands"; + compatible = "amcc,canyonlands"; + dcr-parent = <&/cpus/cpu@0>; + + aliases { + ethernet0 = &EMAC0; + ethernet1 = &EMAC1; + serial0 = &UART0; + serial1 = &UART1; + }; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + cpu@0 { + device_type = "cpu"; + model = "PowerPC,460EX"; + reg = <0>; + clock-frequency = <0>; /* Filled in by U-Boot */ + timebase-frequency = <0>; /* Filled in by U-Boot */ + i-cache-line-size = <20>; + d-cache-line-size = <20>; + i-cache-size = <8000>; + d-cache-size = <8000>; + dcr-controller; + dcr-access-method = "native"; + }; + }; + + memory { + device_type = "memory"; + reg = <0 0 0>; /* Filled in by U-Boot */ + }; + + U |