diff options
Diffstat (limited to 'arch/powerpc/boot')
32 files changed, 1497 insertions, 358 deletions
diff --git a/arch/powerpc/boot/.gitignore b/arch/powerpc/boot/.gitignore index eec7af7e599..2c187ca0598 100644 --- a/arch/powerpc/boot/.gitignore +++ b/arch/powerpc/boot/.gitignore @@ -18,14 +18,14 @@ kernel-vmlinux.strip.c kernel-vmlinux.strip.gz mktree uImage -cuImage -cuImage.bin.gz -cuImage.elf +cuImage.* zImage +zImage.bin.* zImage.chrp zImage.coff zImage.coff.lds -zImage.lds +zImage.ep* +zImage.*lds zImage.miboot zImage.pmac zImage.pseries diff --git a/arch/powerpc/boot/44x.c b/arch/powerpc/boot/44x.c deleted file mode 100644 index 9f64e840bef..00000000000 --- a/arch/powerpc/boot/44x.c +++ /dev/null @@ -1,85 +0,0 @@ -/* - * Copyright 2007 David Gibson, IBM Corporation. - * - * Based on earlier code: - * Matt Porter <mporter@kernel.crashing.org> - * Copyright 2002-2005 MontaVista Software Inc. - * - * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> - * Copyright (c) 2003, 2004 Zultys Technologies - * - * This program is free software; you can redistribute it and/or - * modify it under the terms of the GNU General Public License - * as published by the Free Software Foundation; either version - * 2 of the License, or (at your option) any later version. - */ -#include <stddef.h> -#include "types.h" -#include "string.h" -#include "stdio.h" -#include "ops.h" -#include "reg.h" -#include "dcr.h" - -/* Read the 44x memory controller to get size of system memory. */ -void ibm44x_fixup_memsize(void) -{ - int i; - unsigned long memsize, bank_config; - - memsize = 0; - for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) { - mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]); - bank_config = mfdcr(DCRN_SDRAM0_CFGDATA); - - if (bank_config & SDRAM_CONFIG_BANK_ENABLE) - memsize += SDRAM_CONFIG_BANK_SIZE(bank_config); - } - - dt_fixup_memory(0, memsize); -} - -#define SPRN_DBCR0 0x134 -#define DBCR0_RST_SYSTEM 0x30000000 - -void ibm44x_dbcr_reset(void) -{ - unsigned long tmp; - - asm volatile ( - "mfspr %0,%1\n" - "oris %0,%0,%2@h\n" - "mtspr %1,%0" - : "=&r"(tmp) : "i"(SPRN_DBCR0), "i"(DBCR0_RST_SYSTEM) - ); - -} - -/* Read 4xx EBC bus bridge registers to get mappings of the peripheral - * banks into the OPB address space */ -void ibm4xx_fixup_ebc_ranges(const char *ebc) -{ - void *devp; - u32 bxcr; - u32 ranges[EBC_NUM_BANKS*4]; - u32 *p = ranges; - int i; - - for (i = 0; i < EBC_NUM_BANKS; i++) { - mtdcr(DCRN_EBC0_CFGADDR, EBC_BXCR(i)); - bxcr = mfdcr(DCRN_EBC0_CFGDATA); - - if ((bxcr & EBC_BXCR_BU) != EBC_BXCR_BU_OFF) { - *p++ = i; - *p++ = 0; - *p++ = bxcr & EBC_BXCR_BAS; - *p++ = EBC_BXCR_BANK_SIZE(bxcr); - } - } - - devp = finddevice(ebc); - if (! devp) - fatal("Couldn't locate EBC node %s\n\r", ebc); - - setprop(devp, "ranges", ranges, (p - ranges) * sizeof(u32)); -} diff --git a/arch/powerpc/boot/44x.h b/arch/powerpc/boot/44x.h index 577982c9a3c..ad33dcc95ae 100644 --- a/arch/powerpc/boot/44x.h +++ b/arch/powerpc/boot/44x.h @@ -10,10 +10,7 @@ #ifndef _PPC_BOOT_44X_H_ #define _PPC_BOOT_44X_H_ -void ibm44x_fixup_memsize(void); -void ibm4xx_fixup_ebc_ranges(const char *ebc); - -void ibm44x_dbcr_reset(void); void ebony_init(void *mac0, void *mac1); +void bamboo_init(void); #endif /* _PPC_BOOT_44X_H_ */ diff --git a/arch/powerpc/boot/4xx.c b/arch/powerpc/boot/4xx.c new file mode 100644 index 00000000000..642d8780bb3 --- /dev/null +++ b/arch/powerpc/boot/4xx.c @@ -0,0 +1,192 @@ +/* + * Copyright 2007 David Gibson, IBM Corporation. + * + * Based on earlier code: + * Matt Porter <mporter@kernel.crashing.org> + * Copyright 2002-2005 MontaVista Software Inc. + * + * Eugene Surovegin <eugene.surovegin@zultys.com> or <ebs@ebshome.net> + * Copyright (c) 2003, 2004 Zultys Technologies + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; either version + * 2 of the License, or (at your option) any later version. + */ +#include <stddef.h> +#include "types.h" +#include "string.h" +#include "stdio.h" +#include "ops.h" +#include "reg.h" +#include "dcr.h" + +/* Read the 4xx SDRAM controller to get size of system memory. */ +void ibm4xx_fixup_memsize(void) +{ + int i; + unsigned long memsize, bank_config; + + memsize = 0; + for (i = 0; i < ARRAY_SIZE(sdram_bxcr); i++) { + mtdcr(DCRN_SDRAM0_CFGADDR, sdram_bxcr[i]); + bank_config = mfdcr(DCRN_SDRAM0_CFGDATA); + + if (bank_config & SDRAM_CONFIG_BANK_ENABLE) + memsize += SDRAM_CONFIG_BANK_SIZE(bank_config); + } + + dt_fixup_memory(0, memsize); +} + +#define SPRN_DBCR0_40X 0x3F2 +#define SPRN_DBCR0_44X 0x134 +#define DBCR0_RST_SYSTEM 0x30000000 + +void ibm44x_dbcr_reset(void) +{ + unsigned long tmp; + + asm volatile ( + "mfspr %0,%1\n" + "oris %0,%0,%2@h\n" + "mtspr %1,%0" + : "=&r"(tmp) : "i"(SPRN_DBCR0_44X), "i"(DBCR0_RST_SYSTEM) + ); + +} + +void ibm40x_dbcr_reset(void) +{ + unsigned long tmp; + + asm volatile ( + "mfspr %0,%1\n" + "oris %0,%0,%2@h\n" + "mtspr %1,%0" + : "=&r"(tmp) : "i"(SPRN_DBCR0_40X), "i"(DBCR0_RST_SYSTEM) + ); +} + +#define EMAC_RESET 0x20000000 +void ibm4xx_quiesce_eth(u32 *emac0, u32 *emac1) +{ + /* Quiesce the MAL and EMAC(s) since PIBS/OpenBIOS don't do this for us */ + if (emac0) + *emac0 = EMAC_RESET; + if (emac1) + *emac1 = EMAC_RESET; + + mtdcr(DCRN_MAL0_CFG, MAL_RESET); +} + +/* Read 4xx EBC bus bridge registers to get mappings of the peripheral + * banks into the OPB address space */ +void ibm4xx_fixup_ebc_ranges(const char *ebc) +{ + void *devp; + u32 bxcr; + u32 ranges[EBC_NUM_BANKS*4]; + u32 *p = ranges; + int i; + + for (i = 0; i < EBC_NUM_BANKS; i++) { + mtdcr(DCRN_EBC0_CFGADDR, EBC_BXCR(i)); + bxcr = mfdcr(DCRN_EBC0_CFGDATA); + + if ((bxcr & EBC_BXCR_BU) != EBC_BXCR_BU_OFF) { + *p++ = i; + *p++ = 0; + *p++ = bxcr & EBC_BXCR_BAS; + *p++ = EBC_BXCR_BANK_SIZE(bxcr); + } + } + + devp = finddevice(ebc); + if (! devp) + fatal("Couldn't locate EBC node %s\n\r", ebc); + + setprop(devp, "ranges", ranges, (p - ranges) * sizeof(u32)); +} + +#define SPRN_CCR1 0x378 +void ibm440ep_fixup_clocks(unsigned int sysclk, unsigned int ser_clk) +{ + u32 cpu, plb, opb, ebc, tb, uart0, m, vco; + u32 reg; + u32 fwdva, fwdvb, fbdv, lfbdv, opbdv0, perdv0, spcid0, prbdv0, tmp; + + mtdcr(DCRN_CPR0_ADDR, CPR0_PLLD0); + reg = mfdcr(DCRN_CPR0_DATA); + tmp = (reg & 0x000F0000) >> 16; + fwdva = tmp ? tmp : 16; + tmp = (reg & 0x00000700) >> 8; + fwdvb = tmp ? tmp : 8; + tmp = (reg & 0x1F000000) >> 24; + fbdv = tmp ? tmp : 32; + lfbdv = (reg & 0x0000007F); + + mtdcr(DCRN_CPR0_ADDR, CPR0_OPBD0); + reg = mfdcr(DCRN_CPR0_DATA); + tmp = (reg & 0x03000000) >> 24; + opbdv0 = tmp ? tmp : 4; + + mtdcr(DCRN_CPR0_ADDR, CPR0_PERD0); + reg = mfdcr(DCRN_CPR0_DATA); + tmp = (reg & 0x07000000) >> 24; + perdv0 = tmp ? tmp : 8; + + mtdcr(DCRN_CPR0_ADDR, CPR0_PRIMBD0); + reg = mfdcr(DCRN_CPR0_DATA); + tmp = (reg & 0x07000000) >> 24; + prbdv0 = tmp ? tmp : 8; + + mtdcr(DCRN_CPR0_ADDR, CPR0_SCPID); + reg = mfdcr(DCRN_CPR0_DATA); + tmp = (reg & 0x03000000) >> 24; + spcid0 = tmp ? tmp : 4; + + /* Calculate M */ + mtdcr(DCRN_CPR0_ADDR, CPR0_PLLC0); + reg = mfdcr(DCRN_CPR0_DATA); + tmp = (reg & 0x03000000) >> 24; + if (tmp == 0) { /* PLL output */ + tmp = (reg & 0x20000000) >> 29; + if (!tmp) /* PLLOUTA */ + m = fbdv * lfbdv * fwdva; + else + m = fbdv * lfbdv * fwdvb; + } + else if (tmp == 1) /* CPU output */ + m = fbdv * fwdva; + else + m = perdv0 * opbdv0 * fwdvb; + + vco = (m * sysclk) + (m >> 1); + cpu = vco / fwdva; + plb = vco / fwdvb / prbdv0; + opb = plb / opbdv0; + ebc = plb / perdv0; + + /* FIXME */ + uart0 = ser_clk; + + /* Figure out timebase. Either CPU or default TmrClk */ + asm volatile ( + "mfspr %0,%1\n" + : + "=&r"(reg) : "i"(SPRN_CCR1)); + if (reg & 0x0080) + tb = 25000000; /* TmrClk is 25MHz */ + else + tb = cpu; + + dt_fixup_cpu_clocks(cpu, tb, 0); + dt_fixup_clock("/plb", plb); + dt_fixup_clock("/plb/opb", opb); + dt_fixup_clock("/plb/opb/ebc", ebc); + dt_fixup_clock("/plb/opb/serial@ef600300", uart0); + dt_fixup_clock("/plb/opb/serial@ef600400", uart0); + dt_fixup_clock("/plb/opb/serial@ef600500", uart0); + dt_fixup_clock("/plb/opb/serial@ef600600", uart0); +} diff --git a/arch/powerpc/boot/4xx.h b/arch/powerpc/boot/4xx.h new file mode 100644 index 00000000000..8f26e480dcd --- /dev/null +++ b/arch/powerpc/boot/4xx.h @@ -0,0 +1,21 @@ +/* + * PowerPC 4xx related functions + * + * Copyright 2007 IBM Corporation. + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * 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. + */ +#ifndef _POWERPC_BOOT_4XX_H_ +#define _POWERPC_BOOT_4XX_H_ + +void ibm4xx_fixup_memsize(void); +void ibm44x_dbcr_reset(void); +void ibm40x_dbcr_reset(void); +void ibm4xx_quiesce_eth(u32 *emac0, u32 *emac1); +void ibm4xx_fixup_ebc_ranges(const char *ebc); +void ibm440ep_fixup_clocks(unsigned int sysclk, unsigned int ser_clk); + +#endif /* _POWERPC_BOOT_4XX_H_ */ diff --git a/arch/powerpc/boot/Makefile b/arch/powerpc/boot/Makefile index 61a6f34ca5e..cd7c05769e4 100644 --- a/arch/powerpc/boot/Makefile +++ b/arch/powerpc/boot/Makefile @@ -31,7 +31,7 @@ endif BOOTCFLAGS += -I$(obj) -I$(srctree)/$(obj) -$(obj)/44x.o: BOOTCFLAGS += -mcpu=440 +$(obj)/4xx.o: BOOTCFLAGS += -mcpu=440 $(obj)/ebony.o: BOOTCFLAGS += -mcpu=440 zlib := inffast.c inflate.c inftrees.c @@ -44,10 +44,11 @@ $(addprefix $(obj)/,$(zlib) gunzip_util.o main.o): \ src-wlib := string.S crt0.S stdio.c main.c flatdevtree.c flatdevtree_misc.c \ ns16550.c serial.c simple_alloc.c div64.S util.S \ gunzip_util.c elf_util.c $(zlib) devtree.c oflib.c ofconsole.c \ - 44x.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c + 4xx.c ebony.c mv64x60.c mpsc.c mv64x60_i2c.c cuboot.c bamboo.c \ + cpm-serial.c src-plat := of.c cuboot-83xx.c cuboot-85xx.c holly.c \ cuboot-ebony.c treeboot-ebony.c prpmc2800.c \ - ps3-head.S ps3-hvcall.S ps3.c + ps3-head.S ps3-hvcall.S ps3.c treeboot-bamboo.c cuboot-8xx.c cuboot-pq2.c src-boot := $(src-wlib) $(src-plat) empty.c src-boot := $(addprefix $(obj)/, $(src-boot)) @@ -139,9 +140,12 @@ image-$(CONFIG_PPC_ISERIES) += zImage.iseries image-$(CONFIG_DEFAULT_UIMAGE) += uImage ifneq ($(CONFIG_DEVICE_TREE),"") +image-$(CONFIG_PPC_8xx) += cuImage.8xx +image-$(CONFIG_8260) += cuImage.pq2 image-$(CONFIG_PPC_83xx) += cuImage.83xx image-$(CONFIG_PPC_85xx) += cuImage.85xx image-$(CONFIG_EBONY) += treeImage.ebony cuImage.ebony +image-$(CONFIG_BAMBOO) += treeImage.bamboo endif # For 32-bit powermacs, build the COFF and miboot images diff --git a/arch/powerpc/boot/bamboo.c b/arch/powerpc/boot/bamboo.c new file mode 100644 index 00000000000..bc097694b44 --- /dev/null +++ b/arch/powerpc/boot/bamboo.c @@ -0,0 +1,45 @@ +/* + * Copyright IBM Corporation, 2007 + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Based on ebony wrapper: + * Copyright 2007 David Gibson, IBM Corporation. + * + * Clocking code based on code by: + * Stefan Roese <sr@denx.de> + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the License + */ +#include <stdarg.h> +#include <stddef.h> +#include "types.h" +#include "elf.h" +#include "string.h" +#include "stdio.h" +#include "page.h" +#include "ops.h" +#include "dcr.h" +#include "4xx.h" +#include "44x.h" + +extern char _dtb_start[]; +extern char _dtb_end[]; + +static void bamboo_fixups(void) +{ + unsigned long sysclk = 33333333; + + ibm440ep_fixup_clocks(sysclk, 11059200); + ibm4xx_fixup_memsize(); + ibm4xx_quiesce_eth((u32 *)0xef600e00, (u32 *)0xef600f00); +} + +void bamboo_init(void) +{ + platform_ops.fixups = bamboo_fixups; + platform_ops.exit = ibm44x_dbcr_reset; + ft_init(_dtb_start, 0, 32); + serial_console_init(); +} diff --git a/arch/powerpc/boot/cpm-serial.c b/arch/powerpc/boot/cpm-serial.c new file mode 100644 index 00000000000..fcb8b5e956b --- /dev/null +++ b/arch/powerpc/boot/cpm-serial.c @@ -0,0 +1,249 @@ +/* + * CPM serial console support. + * + * Copyright 2007 Freescale Semiconductor, Inc. + * Author: Scott Wood <scottwood@freescale.com> + * + * It is assumed that the firmware (or the platform file) has already set + * up the port. + */ + +#include "types.h" +#include "io.h" +#include "ops.h" + +struct cpm_scc { + u32 gsmrl; + u32 gsmrh; + u16 psmr; + u8 res1[2]; + u16 todr; + u16 dsr; + u16 scce; + u8 res2[2]; + u16 sccm; + u8 res3; + u8 sccs; + u8 res4[8]; +}; + +struct cpm_smc { + u8 res1[2]; + u16 smcmr; + u8 res2[2]; + u8 smce; + u8 res3[3]; + u8 smcm; + u8 res4[5]; +}; + +struct cpm_param { + u16 rbase; + u16 tbase; + u8 rfcr; + u8 tfcr; +}; + +struct cpm_bd { + u16 sc; /* Status and Control */ + u16 len; /* Data length in buffer */ + u8 *addr; /* Buffer address in host memory */ +}; + +static void *cpcr; +static struct cpm_param *param; +static struct cpm_smc *smc; +static struct cpm_scc *scc; +struct cpm_bd *tbdf, *rbdf; +static u32 cpm_cmd; +static u8 *dpram_start; + +static void (*do_cmd)(int op); +static void (*enable_port)(void); +static void (*disable_port)(void); + +#define CPM_CMD_STOP_TX 4 +#define CPM_CMD_RESTART_TX 6 +#define CPM_CMD_INIT_RX_TX 0 + +static void cpm1_cmd(int op) +{ + while (in_be16(cpcr) & 1) + ; + + out_be16(cpcr, (op << 8) | cpm_cmd | 1); + + while (in_be16(cpcr) & 1) + ; +} + +static void cpm2_cmd(int op) +{ + while (in_be32(cpcr) & 0x10000) + ; + + out_be32(cpcr, op | cpm_cmd | 0x10000); + + while (in_be32(cpcr) & 0x10000) + ; +} + +static void smc_disable_port(void) +{ + do_cmd(CPM_CMD_STOP_TX); + out_be16(&smc->smcmr, in_be16(&smc->smcmr) & ~3); +} + +static void scc_disable_port(void) +{ + do_cmd(CPM_CMD_STOP_TX); + out_be32(&scc->gsmrl, in_be32(&scc->gsmrl) & ~0x30); +} + +static void smc_enable_port(void) +{ + out_be16(&smc->smcmr, in_be16(&smc->smcmr) | 3); + do_cmd(CPM_CMD_RESTART_TX); +} + +static void scc_enable_port(void) +{ + out_be32(&scc->gsmrl, in_be32(&scc->gsmrl) | 0x30); + do_cmd(CPM_CMD_RESTART_TX); +} + +static int cpm_serial_open(void) +{ + int dpaddr = 0x800; + disable_port(); + + out_8(¶m->rfcr, 0x10); + out_8(¶m->tfcr, 0x10); + + rbdf = (struct cpm_bd *)(dpram_start + dpaddr); + rbdf->addr = (u8 *)(rbdf + 2); + rbdf->sc = 0xa000; + rbdf->len = 1; + + tbdf = rbdf + 1; + tbdf->addr = (u8 *)(rbdf + 2) + 1; + tbdf->sc = 0x2000; + tbdf->len = 1; + + sync(); + out_be16(¶m->rbase, dpaddr); + out_be16(¶m->tbase, dpaddr + sizeof(struct cpm_bd)); + + do_cmd(CPM_CMD_INIT_RX_TX); + + enable_port(); + return 0; +} + +static void cpm_serial_putc(unsigned char c) +{ + while (tbdf->sc & 0x8000) + barrier(); + + sync(); + + tbdf->addr[0] = c; + eieio(); + tbdf->sc |= 0x8000; +} + +static unsigned char cpm_serial_tstc(void) +{ + barrier(); + return !(rbdf->sc & 0x8000); +} + +static unsigned char cpm_serial_getc(void) +{ + unsigned char c; + + while (!cpm_serial_tstc()) + ; + + sync(); + c = rbdf->addr[0]; + eieio(); + rbdf->sc |= 0x8000; + + return c; +} + +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 *parent; + + if (dt_is_compatible(devp, "fsl,cpm1-smc-uart")) { + is_smc = 1; + } else if (dt_is_compatible(devp, "fsl,cpm2-scc-uart")) { + is_cpm2 = 1; + } else if (dt_is_compatible(devp, "fsl,cpm2-smc-uart")) { + is_cpm2 = 1; + is_smc = 1; + } + + if (is_smc) { + enable_port = smc_enable_port; + disable_port = smc_disable_port; + } else { + enable_port = scc_enable_port; + disable_port = scc_disable_port; + } + + if (is_cpm2) + do_cmd = cpm2_cmd; + else + do_cmd = cpm1_cmd; + + n = getprop(devp, "fsl,cpm-command", &cpm_cmd, 4); + if (n < 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 (is_smc) + smc = reg_virt[0]; + else + scc = reg_virt[0]; + + param = reg_virt[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)) { + for (n = 0; n < 2; n++) { + if (!dt_xlate_reg(parent, n, ®_phys, NULL)) + return -1; + + reg_virt[n] = (void *)reg_phys; + } + } + + cpcr = reg_virt[0]; + dpram_start = reg_virt[1]; + + scdp->open = cpm_serial_open; + scdp->putc = cpm_serial_putc; + scdp->getc = cpm_serial_getc; + scdp->tstc = cpm_serial_tstc; + + return 0; +} diff --git a/arch/powerpc/boot/cuboot-83xx.c b/arch/powerpc/boot/cuboot-83xx.c index 296025d8b29..a0505509abc 100644 --- a/arch/powerpc/boot/cuboot-83xx.c +++ b/arch/powerpc/boot/cuboot-83xx.c @@ -18,7 +18,6 @@ #include "ppcboot.h" static bd_t bd; -extern char _dtb_start[], _dtb_end[]; static void platform_fixups(void) { diff --git a/arch/powerpc/boot/cuboot-85xx.c b/arch/powerpc/boot/cuboot-85xx.c index 10f0f697c93..345dcbecef0 100644 --- a/arch/powerpc/boot/cuboot-85xx.c +++ b/arch/powerpc/boot/cuboot-85xx.c @@ -18,7 +18,6 @@ #include "ppcboot.h" static bd_t bd; -extern char _dtb_start[], _dtb_end[]; static void platform_fixups(void) { diff --git a/arch/powerpc/boot/cuboot-8xx.c b/arch/powerpc/boot/cuboot-8xx.c new file mode 100644 index 00000000000..88ed84015a8 --- /dev/null +++ b/arch/powerpc/boot/cuboot-8xx.c @@ -0,0 +1,45 @@ +/* + * Old U-boot compatibility for 8xx + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * 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 "cuboot.h" + +#define TARGET_8xx +#define TARGET_HAS_ETH1 +#include "ppcboot.h" + +static bd_t bd; + +static void platform_fixups(void) +{ + void *node; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 16, bd.bi_busfreq); + + node = finddevice("/soc/cpm"); + if (node) { + setprop(node, "clock-frequency", &bd.bi_busfreq, 4); + setprop(node, "fsl,brg-frequency", &bd.bi_busfreq, 4); + } +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); + platform_ops.fixups = platform_fixups; +} diff --git a/arch/powerpc/boot/cuboot-pq2.c b/arch/powerpc/boot/cuboot-pq2.c new file mode 100644 index 00000000000..8021fd4a43b --- /dev/null +++ b/arch/powerpc/boot/cuboot-pq2.c @@ -0,0 +1,283 @@ +/* + * Old U-boot compatibility for PowerQUICC II + * (a.k.a. 82xx with CPM, not the 8240 family of chips) + * + * Author: Scott Wood <scottwood@freescale.com> + * + * Copyright (c) 2007 Freescale Semiconductor, Inc. + * + * 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 "cuboot.h" +#include "io.h" + +#define TARGET_CPM2 +#define TARGET_HAS_ETH1 +#include "ppcboot.h" + +static bd_t bd; + +struct cs_range { + u32 csnum; + u32 base; /* must be zero */ + u32 addr; + u32 size; +}; + +struct pci_range { + u32 flags; + u32 pci_addr[2]; + u32 phys_addr; + u32 size[2]; +}; + +struct cs_range cs_ranges_buf[MAX_PROP_LEN / sizeof(struct cs_range)]; +struct pci_range pci_ranges_buf[MAX_PROP_LEN / sizeof(struct pci_range)]; + +/* Different versions of u-boot put the BCSR in different places, and + * some don't set up the PCI PIC at all, so we assume the device tree is + * sane and update the BRx registers appropriately. + * + * For any node defined as compatible with fsl,pq2-chipselect, + * #address/#size must be 2/1 for chipselect bus, 1/1 for parent bus, + * and ranges must be for whole chip selects. + */ +static void update_cs_ranges(void) +{ + u32 ctrl_ph; + void *ctrl_node, *bus_node, *parent_node; + u32 *ctrl_addr; + unsigned long ctrl_size; + u32 naddr, nsize; + int len; + int i; + + bus_node = finddevice("/chipselect"); + if (!bus_node || !dt_is_compatible(bus_node, "fsl,pq2-chipselect")) + return; + + dt_get_reg_format(bus_node, &naddr, &nsize); + if (naddr != 2 || nsize != 1) + goto err; + + parent_node = get_parent(bus_node); + if (!parent_node) + goto err; + + dt_get_reg_format(parent_node, &naddr, &nsize); + if (naddr != 1 || nsize != 1) + goto err; + + len = getprop(bus_node, "fsl,ctrl", &ctrl_ph, 4); + if (len != 4) + goto err; + + ctrl_node = find_node_by_prop_value(NULL, "linux,phandle", + (char *)&ctrl_ph, 4); + if (!ctrl_node) + goto err; + + if (!dt_is_compatible(ctrl_node, "fsl,pq2-chipselect-ctrl")) + goto err; + + if (!dt_xlate_reg(ctrl_node, 0, (unsigned long *)&ctrl_addr, + &ctrl_size)) + goto err; + + len = getprop(bus_node, "ranges", cs_ranges_buf, sizeof(cs_ranges_buf)); + + for (i = 0; i < len / sizeof(struct cs_range); i++) { + u32 base, option; + int cs = cs_ranges_buf[i].csnum; + if (cs >= ctrl_size / 8) + goto err; + + if (cs_ranges_buf[i].base != 0) + goto err; + + base = in_be32(&ctrl_addr[cs * 2]); + + /* If CS is already valid, use the existing flags. + * Otherwise, guess a sane default. + */ + if (base & 1) { + base &= 0x7fff; + option = in_be32(&ctrl_addr[cs * 2 + 1]) & 0x7fff; + } else { + base = 0x1801; + option = 0x10; + } + + out_be32(&ctrl_addr[cs * 2], 0); + out_be32(&ctrl_addr[cs * 2 + 1], + option | ~(cs_ranges_buf[i].size - 1)); + out_be32(&ctrl_addr[cs * 2], base | cs_ranges_buf[i].addr); + } + + return; + +err: + printf("Bad /chipselect or fsl,pq2-chipselect-ctrl node\r\n"); +} + +/* Older u-boots don't set PCI up properly. Update the hardware to match + * the device tree. The prefetch mem region and non-prefetch mem region + * must be contiguous in the host bus. As required by the PCI binding, + * PCI #addr/#size must be 3/2. The parent bus must be 1/1. Only + * 32-bit PCI is supported. All three region types (prefetchable mem, + * non-prefetchable mem, and I/O) must be present. + */ +static void fixup_pci(void) +{ + struct pci_range *mem = NULL, *mmio = NULL, + *io = NULL, *mem_base = NULL; + u32 *pci_regs[3]; + u8 *soc_regs; + int i, len; + void *ctrl_node, *bus_node, *parent_node, *soc_node; + u32 naddr, nsize, bus_ph, mem_log2; + + ctrl_node = finddevice("/soc/pci"); + if (!ctrl_node || !dt_is_compatible(ctrl_node, "fsl,pq2-pci")) + return; + + soc_node = finddevice("/soc"); + if (!soc_node || !dt_is_compatible(soc_node, "fsl,pq2-soc")) + goto err; + + for (i = 0; i < 3; i++) + if (!dt_xlate_reg(ctrl_node, i, + (unsigned long *)&pci_regs[i], NULL)) + goto err; + + if (!dt_xlate_reg(soc_node, 0, (unsigned long *)&soc_regs, NULL)) + goto err; + + len = getprop(ctrl_node, "fsl,bus", &bus_ph, 4); + if (len != 4) + goto err; + + bus_node = find_node_by_prop_value(NULL, "linux,phandle", + (char *)&bus_ph, 4); + if (!bus_node) + goto err; + + dt_get_reg_format(bus_node, &naddr, &nsize); + if (naddr != 3 || nsize != 2) + goto err; + + parent_node = get_parent(bus_node); + if (!parent_node) + goto err; + + dt_get_reg_format(parent_node, &naddr, &nsize); + if (naddr != 1 || nsize != 1) + goto err; + + len = getprop(bus_node, "ranges", pci_ranges_buf, + sizeof(pci_ranges_buf)); + + for (i = 0; i < len / sizeof(struct pci_range); i++) { + u32 flags = pci_ranges_buf[i].flags & 0x43000000; + + if (flags == 0x42000000) + mem = &pci_ranges_buf[i]; + else if (flags == 0x02000000) + mmio = &pci_ranges_buf[i]; + else if (flags == 0x01000000) + io = &pci_ranges_buf[i]; + } + + if (!mem || !mmio || !io) + goto err; + + 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; + + out_be32(&pci_regs[1][0], mem_base->phys_addr | 1); + out_be32(&pci_regs[2][0], ~(mem->size[1] + mmio->size[1] - 1)); + + out_be32(&pci_regs[1][1], io->phys_addr | 1); + out_be32(&pci_regs[2][1], ~(io->size[1] - 1)); + + out_le32(&pci_regs[0][0], mem->pci_addr[1] >> 12); + out_le32(&pci_regs[0][2], mem->phys_addr >> 12); + out_le32(&pci_regs[0][4], (~(mem->size[1] - 1) >> 12) | 0xa0000000); + + out_le32(&pci_regs[0][6], mmio->pci_addr[1] >> 12); + out_le32(&pci_regs[0][8], mmio->phys_addr >> 12); + out_le32(&pci_regs[0][10], (~(mmio->size[1] - 1) >> 12) | 0x80000000); + + out_le32(&pci_regs[0][12], io->pci_addr[1] >> 12); + out_le32(&pci_regs[0][14], io->phys_addr >> 12); + out_le32(&pci_regs[0][16], (~(io->size[1] - 1) >> 12) | 0xc0000000); + + /* Inbound translation */ + 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)); + + /* If PCI is disabled, drive RST high to enable. */ + if (!(in_le32(&pci_regs[0][32]) & 1)) { + /* Tpvrh (Power valid to RST# high) 100 ms */ + udelay(100000); + + out_le32(&pci_regs[0][32], 1); + + /* Trhfa (RST# high to first cfg access) 2^25 clocks */ + udelay(1020000); + } + + /* Enable bus master and memory access */ + out_le32(&pci_regs[0][64], 0x80000004); + out_le32(&pci_regs[0][65], in_le32(&pci_regs[0][65]) | 6); + + /* Park the bus on PCI, and elevate PCI's arbitration priority, + * as required by section 9.6 of the user's manual. + */ + out_8(&soc_regs[0x10028], 3); + out_be32((u32 *)&soc_regs[0x1002c], 0x01236745); + + return; + +err: + printf("Bad PCI node\r\n"); +} + +static void pq2_platform_fixups(void) +{ + void *node; + + dt_fixup_memory(bd.bi_memstart, bd.bi_memsize); + dt_fixup_mac_addresses(bd.bi_enetaddr, bd.bi_enet1addr); + dt_fixup_cpu_clocks(bd.bi_intfreq, bd.bi_busfreq / 4, bd.bi_busfreq); + + node = finddevice("/soc/cpm"); + if (node) { + setprop(node, "clock-frequency", &bd.bi_cpmfreq, 4); + setprop(node, "fsl,brg-frequency", &bd.bi_brgfreq, 4); + } + + update_cs_ranges(); + fixup_pci(); +} + +void platform_init(unsigned long r3, unsigned long r4, unsigned long r5, + unsigned long r6, unsigned long r7) +{ + CUBOOT_INIT(); + ft_init(_dtb_start, _dtb_end - _dtb_start, 32); + serial_console_init(); + platform_ops.fixups = pq2_platform_fixups; +} diff --git a/arch/powerpc/boot/cuboot.c b/arch/powerpc/boot/cuboot.c index 65795468ad6..7768b2306b7 100644 --- a/arch/powerpc/boot/cuboot.c +++ b/arch/powerpc/boot/cuboot.c @@ -17,9 +17,6 @@ #include "ppcboot.h" -extern char _end[]; -extern char _dtb_start[], _dtb_end[]; - void cuboot_init(unsigned long r4, unsigned long r5, unsigned long r6, unsigned long r7, unsigned long end_of_ram) diff --git a/arch/powerpc/boot/dcr.h b/arch/powerpc/boot/dcr.h index 14b44aa96fe..e158311c501 100644 --- a/arch/powerpc/boot/dcr.h +++ b/arch/powerpc/boot/dcr.h @@ -121,4 +121,17 @@ static const unsigned long sdram_bxcr[] = { SDRAM0_B0CR, SDRAM0_B1CR, SDRAM0_B2C #define DCRN_CPC0_MIRQ1 0x0ed #define DCRN_CPC0_JTAGID 0x0ef +#define DCRN_MAL0_CFG 0x180 +#define MAL_RESET 0x80000000 + +/* 440EP Clock/Power-on Reset regs */ +#define DCRN_CPR0_ADDR 0xc +#define DCRN_CPR0_DATA 0xd +#define CPR0_PLLD0 0x60 +#define CPR0_OPBD0 0xc0 +#define CPR0_PERD0 0xe0 +#define CPR0_PRIMBD0 0xa0 +#define CPR0_SCPID 0x120 +#define CPR0_PLLC0 0x40 + #endif /* _PPC_BOOT_DCR_H_ */ diff --git a/arch/powerpc/boot/devtree.c b/arch/powerpc/boot/devtree.c index c9951550ed2..e1b8122b439 100644 --- a/arch/powerpc/boot/devtree.c +++ b/arch/powerpc/boot/devtree.c @@ -74,6 +74,8 @@ void dt_fixup_cpu_clocks(u32 cpu, u32 tb, u32 bus) if (bus > 0) setprop_val(devp, "bus-frequency", bus); } + + timebase_period_ns = 1000000000 / tb; } void dt_fixup_clock(const char *path, u32 freq) @@ -111,9 +113,8 @@ void __dt_fixup_mac_addresses(u32 startindex, ...) } #define MAX_ADDR_CELLS 4 -#define MAX_RANGES 8 -static void get_reg_format(void *node, u32 *naddr, u32 *nsize) +void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize) { if (getprop(node, "#address-cells", naddr, 4) != 4) *naddr = 2; @@ -207,7 +208,7 @@ static int find_range(u32 *reg, u32 *ranges, int nregaddr, * In particular, PCI is not supported. Also, only the beginning of the * reg block is tracked; size is ignored except in ranges. */ -static u32 dt_xlate_buf[MAX_ADDR_CELLS * MAX_RANGES * 3]; +static u32 prop_buf[MAX_PROP_LEN / 4]; static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, unsigned long *size) @@ -216,14 +217,14 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, u32 this_addr[MAX_ADDR_CELLS]; void *parent; u64 ret_addr, ret_size; - u32 naddr, nsize, prev_naddr; + u32 naddr, nsize, prev_naddr, prev_nsize; int buflen, offset; parent = get_parent(node); if (!parent) return 0; - get_reg_format(parent, &naddr, &nsize); + dt_get_reg_format(parent, &naddr, &nsize); if (nsize > 2) return 0; @@ -231,41 +232,47 @@ static int dt_xlate(void *node, int res, int reglen, unsigned long *addr, offset = (naddr + nsize) * res; if (reglen < offset + naddr + nsize || - sizeof(dt_xlate_buf) < offset + naddr + nsize) + MAX_PROP_LEN < (offset + naddr + nsize) * 4) return 0; - copy_val(last_addr, dt_xlate_buf + offset, naddr); + copy_val(last_addr, prop_buf + offset, naddr); - ret_size = dt_xlate_buf[offset + naddr]; + ret_size = prop_buf[offset + naddr]; if (nsize == 2) { ret_size <<= 32; - ret_size |= dt_xlate_buf[offset + naddr + 1]; + ret_size |= prop_buf[offset + naddr + 1]; } - while ((node = get_parent(node))) { + for (;;) { prev_naddr = naddr; + prev_nsize = nsize; + node = parent; + + parent = get_parent(node); + if (!parent) + break; - get_reg_format(node, &naddr, &nsize); + dt_get_reg_format(parent, &naddr, &nsize); - buflen = getprop(node, "ranges", dt_xlate_buf, - sizeof(dt_xlate_buf)); - if (buflen < 0) + buflen = getprop(node, "ranges", prop_buf, + sizeof(prop_buf)); + if (buflen == 0) continue; - if (buflen > sizeof(dt_xlate_buf)) + if (buflen < 0 || buflen > sizeof(prop_buf)) return 0; - offset = find_range(last_addr, dt_xlate_buf, prev_naddr, - naddr, nsize, buflen / 4); + offset = find_range(last_addr, prop_buf, prev_naddr, + naddr, prev_nsize, buflen / 4); if (offset < 0) return 0; - copy_val(this_addr, dt_xlate_buf + offset, prev_naddr); + copy_val(this_addr, prop_buf + offset, prev_naddr); if (!sub_reg(last_addr, this_addr)) return 0; - copy_val(this_addr, dt_xlate_buf + offset + prev_naddr, naddr); + copy_val(this_addr, prop_buf + offset + prev_naddr, naddr); if (!add_reg(last_addr, this_addr, naddr)) return 0; @@ -292,16 +299,35 @@ int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size) { int reglen; - reglen = getprop(node, "reg", dt_xlate_buf, sizeof(dt_xlate_buf)) / 4; + reglen = getprop(node, "reg", prop_buf, sizeof(prop_buf)) / 4; return dt_xlate(node, res, reglen, addr, size); } int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr) { - if (buflen > sizeof(dt_xlate_buf)) + if (buflen > sizeof(prop_buf)) return 0; - memcpy(dt_xlate_buf, buf, buflen); + memcpy(prop_buf, buf, buflen); return dt_xlate(node, 0, buflen / 4, xlated_addr, NULL); } + +int dt_is_compatible(void *node, const char *compat) +{ + char *buf = (char *)prop_buf; + int len, pos; + + len = getprop(node, "compatible", buf, MAX_PROP_LEN); + if (len < 0) + return 0; + + for (pos = 0; pos < len; pos++) { + if (!strcmp(buf + pos, compat)) + return 1; + + pos += strnlen(&buf[pos], len - pos); + } + + return 0; +} diff --git a/arch/powerpc/boot/dts/bamboo.dts b/arch/powerpc/boot/dts/bamboo.dts new file mode 100644 index 00000000000..bdd56b0e946 --- /dev/null +++ b/arch/powerpc/boot/dts/bamboo.dts @@ -0,0 +1,244 @@ +/* + * Device Tree Source for AMCC Bamboo + * + * Copyright (c) 2006, 2007 IBM Corp. + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * FIXME: Draft only! + * + * 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,bamboo"; + compatible = "amcc,bamboo"; + dcr-parent = <&/cpus/PowerPC,440EP@0>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,440EP@0 { + device_type = "cpu"; + reg = <0>; + clock-frequency = <0>; /* Filled in by zImage */ + timebase-frequency = <0>; /* Filled in by zImage */ + 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 zImage */ + }; + + UIC0: interrupt-controller0 { + compatible = "ibm,uic-440ep","ibm,uic"; + interrupt-controller; + cell-index = <0>; + dcr-reg = <0c0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + }; + + UIC1: interrupt-controller1 { + compatible = "ibm,uic-440ep","ibm,uic"; + interrupt-controller; + cell-index = <1>; + dcr-reg = <0d0 009>; + #address-cells = <0>; + #size-cells = <0>; + #interrupt-cells = <2>; + interrupts = <1e 4 1f 4>; /* cascade */ + interrupt-parent = <&UIC0>; + }; + + SDR0: sdr { + compatible = "ibm,sdr-440ep"; + dcr-reg = <00e 002>; + }; + + CPR0: cpr { + compatible = "ibm,cpr-440ep"; + dcr-reg = <00c 002>; + }; + + plb { + compatible = "ibm,plb-440ep", "ibm,plb-440gp", "ibm,plb4"; + #address-cells = <2>; + #size-cells = <1>; + ranges; + clock-frequency = <0>; /* Filled in by zImage */ + + SDRAM0: sdram { + compatible = "ibm,sdram-440ep", "ibm,sdram-405gp"; + dcr-reg = <010 2>; + }; + + DMA0: dma { + compatible = "ibm,dma-440ep", "ibm,dma-440gp"; + dcr-reg = <100 027>; + }; + + MAL0: mcmal { + compatible = "ibm,mcmal-440ep", "ibm,mcmal-440gp", "ibm,mcmal"; + dcr-reg = <180 62>; + num-tx-chans = <4>; + num-rx-chans = <4>; + interrupt-parent = <&MAL0>; + interrupts = <0 1 2 3 4>; + #interrupt-cells = <1>; + interrupt-map = </*TXEOB*/ 0 &UIC0 a 4 + /*RXEOB*/ 1 &UIC0 b 4 + /*SERR*/ 2 &UIC1 0 4 + /*TXDE*/ 3 &UIC1 1 4 + /*RXDE*/ 4 &UIC1 3 4>; + }; + + POB0: opb { + compatible = "ibm,opb-440ep", "ibm,opb-440gp", "ibm,opb"; + #address-cells = <1>; + #size-cells = <1>; + /* Bamboo is oddball in the 44x world and doesn't use the ERPN + * bits. + */ + ranges = <00000000 0 00000000 80000000 + 80000000 0 80000000 80000000>; + interrupt-parent = <&UIC1>; + interrupts = <7 4>; + clock-frequency = <0>; /* Filled in by zImage */ + + EBC0: ebc { + compatible = "ibm,ebc-440ep", "ibm,ebc-440gp", "ibm,ebc"; + dcr-reg = <012 2>; + #address-cells = <2>; + #size-cells = <1>; + clock-frequency = <0>; /* Filled in by zImage */ + ranges; + interrupts = <5 1>; + interrupt-parent = <&UIC1>; + }; + + UART0: serial@ef600300 { + device_type = "serial"; + compatible = "ns16550"; + reg = <ef600300 8>; + virtual-reg = <ef600300>; + clock-frequency = <0>; /* Filled in by zImage */ + current-speed = <1c200>; + interrupt-parent = <&UIC0>; + interrupts = <0 4>; + }; + + UART1: serial@ef600400 { + device_type = "serial"; + compatible = "ns16550"; + reg = <ef600400 8>; + virtual-reg = <ef600400>; + clock-frequency = <0>; + current-speed = <0>; + interrupt-parent = <&UIC0>; + interrupts = <1 4>; + }; + + UART2: serial@ef600500 { + device_type = "serial"; + compatible = "ns16550"; + reg = <ef600500 8>; + virtual-reg = <ef600500>; + clock-frequency = <0>; + current-speed = <0>; + interrupt-parent = <&UIC0>; + interrupts = <3 4>; + }; + + UART3: serial@ef600600 { + device_type = "serial"; + compatible = "ns16550"; + reg = <ef600600 8>; + virtual-reg = <ef600600>; + clock-frequency = <0>; + current-speed = <0>; + interrupt-parent = <&UIC0>; + interrupts = <4 4>; + }; + + IIC0: i2c@ef600700 { + device_type = "i2c"; + compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic"; + reg = <ef600700 14>; + interrupt-parent = <&UIC0>; + interrupts = <2 4>; + }; + + IIC1: i2c@ef600800 { + device_type = "i2c"; + compatible = "ibm,iic-440ep", "ibm,iic-440gp", "ibm,iic"; + reg = <ef600800 14>; + interrupt-parent = <&UIC0>; + interrupts = <7 4>; + }; + + ZMII0: emac-zmii@ef600d00 { + device_type = "zmii-interface"; + compatible = "ibm,zmii-440ep", "ibm,zmii-440gp", "ibm,zmii"; + reg = <ef600d00 c>; + }; + + EMAC0: ethernet@ef600e00 { + device_type = "network"; + compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1c 4 1d 4>; + reg = <ef600e00 70>; + local-mac-address = [000000000000]; + mal-device = <&MAL0>; + mal-tx-channel = <0 1>; + mal-rx-channel = <0>; + cell-index = <0>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000001>; + zmii-device = <&ZMII0>; + zmii-channel = <0>; + }; + + EMAC1: ethernet@ef600f00 { + device_type = "network"; + compatible = "ibm,emac-440ep", "ibm,emac-440gp", "ibm,emac"; + interrupt-parent = <&UIC1>; + interrupts = <1e 4 1f 4>; + reg = <ef600f00 70>; + local-mac-address = [000000000000]; + mal-device = <&MAL0>; + mal-tx-channel = <2 3>; + mal-rx-channel = <1>; + cell-index = <1>; + max-frame-size = <5dc>; + rx-fifo-size = <1000>; + tx-fifo-size = <800>; + phy-mode = "rmii"; + phy-map = <00000001>; + zmii-device = <&ZMII0>; + zmii-channel = <1>; + }; + }; + }; + + chosen { + linux,stdout-path = "/plb/opb/serial@ef600300"; + bootargs = "console=ttyS0,115200"; + }; +}; diff --git a/arch/powerpc/boot/dts/ebony.dts b/arch/powerpc/boot/dts/ebony.dts index c5f99613fc7..27a1463b6ab 100644 --- a/arch/powerpc/boot/dts/ebony.dts +++ b/arch/powerpc/boot/dts/ebony.dts @@ -175,6 +175,7 @@ fpga@7,0 { compatible = "Ebony-FPGA"; reg = <7 0 10>; + virtual-reg = <e8300000>; }; }; diff --git a/arch/powerpc/boot/dts/mpc8272ads.dts b/arch/powerpc/boot/dts/mpc8272ads.dts index 1934b800278..4d09dcad253 100644 --- a/arch/powerpc/boot/dts/mpc8272ads.dts +++ b/arch/powerpc/boot/dts/mpc8272ads.dts @@ -10,207 +10,209 @@ */ / { - model = "MPC8272ADS"; - compatible = "MPC8260ADS"; - #address-cells = <1>; - #size-cells = <1>; - - cpus { - #address-cells = <1>; - #size-cells = <0>; - - PowerPC,8272@0 { - device_type = "cpu"; - reg = <0>; - d-cache-line-size = <20>; // 32 bytes - i-cache-line-size = <20>; // 32 bytes - d-cache-size = <4000>; // L1, 16K - i-cache-size = <4000>; // L1, 16K - timebase-frequency = <0>; - bus-frequency = <0>; - clock-frequency = <0>; - 32-bit; - }; - }; - - pci_pic: interrupt-controller@f8200000 { - #address-cells = <0>; - #interrupt-cells = <2>; - interrupt-controller; - reg = <f8200000 f8200004>; - built-in; - device_type = "pci-pic"; - }; - memory { - device_type = "memory"; - reg = <00000000 4000000 f4500000 00000020>; - }; - - chosen { - name = "chosen"; - linux,platform = <0>; + model = "MPC8272ADS"; + compatible = "MPC8260ADS"; + #address-cells = <1>; + #size-cells = <1>; + + cpus { + #address-cells = <1>; + #size-cells = <0>; + + PowerPC,8272@0 { + device_type = "cpu"; + reg = <0>; + d-cache-line-size = <20>; // 32 bytes + i-cache-line-size = <20>; // 32 bytes + d-cache-size = <4000>; // L1, 16K + i-cache-size = <4000>; // L1, 16K + timebase-frequency = <0>; + bus-frequency = <0>; + clock-frequency = <0>; + 32-bit; + }; + }; + + pci_pic: interrupt-controller@f8200000 { + #address-cells = <0>; + #interrupt-cells = <2>; + interrupt-controller; + reg = <f8200000 f8200004>; + built-in; + device_type = "pci-pic"; + }; + + memory { + device_type = "memory"; + reg = <00000000 4000000 f4500000 00000020>; + }; + + chosen { + name = "chosen"; + linux,platform = <0>; interrupt-controller = <&Cpm_pic>; - }; - - soc8272@f0000000 { - #address-cells = <1>; - #size-cells = <1>; - #interrupt-cells = <2>; - device_type = "soc"; - ranges = <00000000 f0000000 00053000>; - reg = <f0000000 10000>; - - mdio@0 { - device_type = "mdio"; - compatible = "fs_enet"; - reg = <0 0>; - #address-cells = <1>; - #size-cells = <0>; + }; + + soc8272@f0000000 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + device_type = "soc"; + ranges = <00000000 f0000000 00053000>; + reg = <f0000000 10000>; + + mdio@0 { + device_type = "mdio"; + compatible = "fs_enet"; + reg = <0 0>; + #address-cells = <1>; + #size-cells = <0>; + phy0:ethernet-phy@0 { interrupt-parent = <&Cpm_pic>; - interrupts = <17 4>; - reg = <0>; - bitbang = [ 12 12 13 02 02 01 ]; - device_type = "ethernet-phy"; - }; + interrupts = <17 4>; + reg = <0>; + bitbang = [ 12 12 13 02 02 01 ]; + device_type = "ethernet-phy"; + }; + phy1:ethernet-phy@1 { interrupt-parent = <&Cpm_pic>; - interrupts = <17 4>; - bitbang = [ 12 12 13 02 02 01 ]; - reg = <3>; - device_type = "ethernet-phy"; - }; - }; - - ethernet@24000 { - #address-cells = <1>; - #size-cells = <0>; - device_type = "network"; - device-id = <1>; - compatible = "fs_enet"; - model = "FCC"; - reg = <11300 20 8400 100 11380 30>; - mac-address = [ 00 11 2F 99 43 54 ]; - interrupts = <20 2>; + interrupts = <17 4>; + bitbang = [ 12 12 13 02 02 01 ]; + reg = <3>; + device_type = "ethernet-phy"; + }; + }; + + ethernet@24000 { + #address-cells = <1>; + #size-cells = <0>; + device_type = "network"; + device-id = <1>; + compatible = "fs_enet"; + model = "FCC"; + reg = <11300 20 8400 100 11380 30>; + mac-address = [ 00 11 2F 99 43 54 ]; + interrupts = <20 2>; interrupt-parent = <&Cpm_pic>; phy-handle = <&Phy0>; - rx-clock = <13>; - tx-clock = <12>; - }; - - ethernet@25000 { - device_type = "network"; - device-id = <2>; - compatible = "fs_enet"; - model = "FCC"; - reg = <11320 20 8500 100 113b0 30>; - mac-address = [ 00 11 2F 99 44 54 ]; - interrupts = <21 2>; + rx-clock = <13>; + tx-clock = <12>; + }; + + ethernet@25000 { + device_type = "network"; + device-id = <2>; + compatible = "fs_enet"; + model = "FCC"; + reg = <11320 20 8500 100 113b0 30>; + mac-address = [ 00 11 2F 99 44 54 ]; + interrupts = <21 2>; interrupt-parent = <&Cpm_pic>; phy-handle = <&Phy1>; - rx-clock = <17>; - tx-clock = <18>; - }; - - cpm@f0000000 { - #address-cells = <1>; - #size-cells = <1>; - #interrupt-cells = <2>; - device_type = "cpm"; - model = "CPM2"; - ranges = <00000000 00000000 20000>; - reg = <0 20000>; - command-proc = <119c0>; - brg-frequency = <17D7840>; - cpm_clk = <BEBC200>; - - scc@11a00 { - device_type = "serial"; - compatible = "cpm_uart"; - model = "SCC"; - device-id = <1>; - reg = <11a00 20 8000 100>; - current-speed = <1c200>; - interrupts = <28 2>; + rx-clock = <17>; + tx-clock = <18>; + }; + + cpm@f0000000 { + #address-cells = <1>; + #size-cells = <1>; + #interrupt-cells = <2>; + device_type = "cpm"; + model = "CPM2"; + ranges = <00000000 00000000 20000>; + reg = <0 20000>; + command-proc = <119c0>; + brg-frequency = <17D7840>; + cpm_clk = <BEBC200>; + + scc@11a00 { + device_type = "serial"; + compatible = "cpm_uart"; + model = "SCC"; + device-id = <1>; + reg = <11a00 20 8000 100>; + current-speed = <1c200>; + interrupts = <28 2>; interrupt-parent = <&Cpm_pic>; - clock-setup = <0 00ffffff>; - rx-clock = <1>; - tx-clock = <1>; - }; - - scc@11a60 { - device_type = "serial"; - compatible = "cpm_uart"; - model = "SCC"; - device-id = <4>; - reg = <11a60 20 8300 100>; - current-speed = <1c200>; - interrupts = <2b 2>; + clock-setup = <0 00ffffff>; + rx-clock = <1>; + tx-clock = <1>; + }; + + scc@11a60 { + device_type = "serial"; + compatible = "cpm_uart"; + model = "SCC"; + device-id = <4>; + reg = <11a60 20 8300 100>; + current-speed = <1c200>; + interrupts = <2b 2>; interrupt-parent = <&Cpm_pic>; - clock-setup = <1b ffffff00>; - rx-clock = <4>; - tx-clock = <4>; - }; - - }; - cpm_pic:interrupt-controller@10c00 { - #address-cells = <0>; - #interrupt-cells = <2>; - interrupt-controller; - reg = <10c00 80>; - built-in; - device_type = "cpm-pic"; - compatible = "CPM2"; - }; - pci@0500 { - #interrupt-cells = <1>; - #size-cells = <2>; - #address-cells = <3>; - compatible = "8272"; - device_type = "pci"; - reg = <10430 4dc>; - clock-frequency = <3f940aa>; - interrupt-map-mask = <f800 0 0 7>; - interrupt-map = < - - /* IDSEL 0x16 */ - b000 0 0 1 f8200000 40 8 - b000 0 0 2 f8200000 41 8 - b000 0 0 3 f8200000 42 8 - b000 0 0 4 f8200000 43 8 - - /* IDSEL 0x17 */ - b800 0 0 1 f8200000 43 8 - b800 0 0 2 f8200000 40 8 - b800 0 0 3 f8200000 41 8 - b800 0 0 4 f8200000 42 8 - - /* IDSEL 0x18 */ - c000 0 0 1 f8200000 42 8 - c000 0 0 2 f8200000 43 8 - c000 0 0 3 f8200000 40 8 - c000 0 0 4 f8200000 41 8>; + clock-setup = <1b ffffff00>; + rx-clock = <4>; + tx-clock = <4>; + }; + }; + + cpm_pic:interrupt-controller@10c00 { + #address-cells = <0>; + #interrupt-cells = <2>; + interrupt-controller; + reg = <10c00 80>; + built-in; + device_type = "cpm-pic"; + compatible = "CPM2"; + }; + + pci@0500 { + #interrupt-cells = <1>; + #size-cells = <2>; + #address-cells = <3>; + compatible = "8272"; + device_type = "pci"; + reg = <10430 4dc>; + clock-frequency = <3f940aa>; + interrupt-map-mask = <f800 0 0 7>; + interrupt-map = < + /* IDSEL 0x16 */ + b000 0 0 1 f8200000 40 8 + b000 0 0 2 f8200000 41 8 + b000 0 0 3 f8200000 42 8 + b000 0 0 4 f8200000 43 8 + + /* IDSEL 0x17 */ + b800 0 0 1 f8200000 43 8 + b800 0 0 2 f8200000 40 8 + b800 0 0 3 f8200000 41 8 + b800 0 0 4 f8200000 42 8 + + /* IDSEL 0x18 */ + c000 0 0 1 f8200000 42 8 + c000 0 0 2 f8200000 43 8 + c000 0 0 3 f8200000 40 8 + c000 0 0 4 f8200000 41 8>; interrupt-parent = <&Cpm_pic>; - interrupts = <14 8>; - bus-range = <0 0>; - ranges = <02000000 0 80000000 80000000 0 40000000 - 01000000 0 00000000 f6000000 0 02000000>; - }; + interrupts = <14 8>; + bus-range = <0 0>; + ranges = <02000000 0 80000000 80000000 0 40000000 + 01000000 0 00000000 f6000000 0 02000000>; + }; /* May need to remove if on a part without crypto engine */ - crypto@30000 { - device_type = "crypto"; - model = "SEC2"; - compatible = "talitos"; - reg = <30000 10000>; - interrupts = <b 2>; + crypto@30000 { + device_type = "crypto"; + model = "SEC2"; + compatible = "talitos"; + reg = <30000 10000>; + interrupts = <b 2>; interrupt-parent = <&Cpm_pic>; - num-channels = <4>; - channel-fifo-len = <18>; - exec-units-mask = <0000007e>; + num-channels = <4>; + channel-fifo-len = <18>; + exec-units-mask = <0000007e>; /* desc mask is for rev1.x, we need runtime fixup for >=2.x */ - descriptor-types-mask = <01010ebf>; - }; - - }; + descriptor-types-mask = <01010ebf>; + }; + }; }; diff --git a/arch/powerpc/boot/ebony.c b/arch/powerpc/boot/ebony.c index 75daedafd0a..86c0f5df0a8 100644 --- a/arch/powerpc/boot/ebony.c +++ b/arch/powerpc/boot/ebony.c @@ -24,12 +24,11 @@ #include "page.h" #include "ops.h" #include "reg.h" +#include "io.h" #include "dcr.h" +#include "4xx.h" #include "44x.h" -extern char _dtb_start[]; -extern char _dtb_end[]; - static u8 *ebony_mac0, *ebony_mac1; /* Calculate 440GP clocks */ @@ -92,15 +91,53 @@ void ibm440gp_fixup_clocks(unsigned int sysclk, unsigned int ser_clk) dt_fixup_clock("/plb/opb/serial@40000300", uart1); } +#define EBONY_FPGA_PATH "/plb/opb/ebc/fpga" +#define EBONY_FPGA_FLASH_SEL 0x01 +#define EBONY_SMALL_FLASH_PATH "/plb/opb/ebc/small-flash" + +static void ebony_flashsel_fixup(void) +{ + void *devp; + u32 reg[3] = {0x0, 0x0, 0x80000}; + u8 *fpga; + u8 fpga_reg0 = 0x0; + + devp = finddevice(EBONY_FPGA_PATH); + if (!devp) + fatal("Couldn't locate FPGA node %s\n\r", EBONY_FPGA_PATH); + + if (getprop(devp, "virtual-reg", &fpga, sizeof(fpga)) != sizeof(fpga)) + fatal("%s has missing or invalid virtual-reg property\n\r", + EBONY_FPGA_PATH); + + fpga_reg0 = in_8(fpga); + + devp = finddevice(EBONY_SMALL_FLASH_PATH); + if (!devp) + fatal("Couldn't locate small flash node %s\n\r", + EBONY_SMALL_FLASH_PATH); + + if (getprop(devp, "reg", reg, sizeof(reg)) != sizeof(reg)) + fatal("%s has reg property of unexpected size\n\r", + EBONY_SMALL_FLASH_PATH); + + /* Invert address bit 14 (IBM-endian) if FLASH_SEL fpga bit is set */ + if (fpga_reg0 & EBONY_FPGA_FLASH_SEL) + reg[1] ^= 0x80000; + + setprop(devp, "reg", reg, sizeof(reg)); +} + static void ebony_fixups(void) { // FIXME: sysclk should be derived by reading the FPGA registers unsigned long sysclk = 33000000; ibm440gp_fixup_clocks(sysclk, 6 * 1843200); - ibm44x_fixup_memsize(); + ibm4xx_fixup_memsize(); dt_fixup_mac_addresses(ebony_mac0, ebony_mac1); ibm4xx_fixup_ebc_ranges("/plb/opb/ebc"); + ebony_flashsel_fixup(); } void ebony_init(void *mac0, void *mac1) diff --git a/arch/powerpc/boot/holly.c b/arch/powerpc/boot/holly.c index 7d6539f5e22..199e783aea4 100644 --- a/arch/powerpc/boot/holly.c +++ b/arch/powerpc/boot/holly.c @@ -21,11 +21,6 @@ #include "ops.h" #include "io.h" -extern char _start[]; -extern char _end[]; -extern char _dtb_start[]; -extern char _dtb_end[]; - BSS_STACK(4096); void platform_init(unsigned long r3, unsigned long r4, unsigned long r5) diff --git a/arch/powerpc/boot/io.h b/arch/powerpc/boot/io.h index 32974ed49e0..ccaedaec50d 100644 --- a/arch/powerpc/boot/io.h +++ b/arch/powerpc/boot/io.h @@ -1,5 +1,8 @@ #ifndef _IO_H #define __IO_H + +#include "types.h" + /* * Low-level I/O routines. * @@ -20,6 +23,37 @@ static inline void out_8(volatile unsigned char *addr, int val) : "=m" (*addr) : "r" (val)); } +static inline unsigned in_le16(const volatile u16 *addr) +{ + unsigned ret; + + __asm__ __volatile__("lhbrx %0,0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "r" (addr), "m" (*addr)); + + return ret; +} + +static inline unsigned in_be16(const volatile u16 *addr) +{ + unsigned ret; + + __asm__ __volatile__("lhz%U1%X1 %0,%1; twi 0,%0,0; isync" + : "=r" (ret) : "m" (*addr)); + return ret; +} + +static inline void out_le16(volatile u16 *addr, int val) +{ + __asm__ __volatile__("sthbrx %1,0,%2; sync" : "=m" (*addr) + : "r" (val), "r" (addr)); +} + +static inline void out_be16(volatile u16 *addr, int val) +{ + __asm__ __volatile__("sth%U0%X0 %1,%0; sync" + : "=m" (*addr) : "r" (val)); +} + static inline unsigned in_le32(const volatile unsigned *addr) { unsigned ret; @@ -50,4 +84,19 @@ static inline void out_be32(volatile unsigned *addr, int val) : "=m" (*addr) : "r" (val)); } +static inline void sync(void) +{ + asm volatile("sync" : : : "memory"); +} + +static inline void eieio(void) +{ + asm volatile("eieio" : : : "memory"); +} + +static inline void barrier(void) +{ + asm volatile("" : : : "memory"); +} + #endif /* _IO_H */ diff --git a/arch/powerpc/boot/main.c b/arch/powerpc/boot/main.c index 416dc3857bf..1b496b37eca 100644 --- a/arch/powerpc/boot/main.c +++ b/arch/powerpc/boot/main.c @@ -19,16 +19,6 @@ #include "flatdevtree.h" #include "reg.h" -extern char _start[]; -extern char __bss_start[]; -extern char _end[]; -extern char _vmlinux_start[]; -extern char _vmlinux_end[]; -extern char _initrd_start[]; -extern char _initrd_end[]; -extern char _dtb_start[]; -extern char _dtb_end[]; - static struct gunzip_state gzstate; struct addr_range { diff --git a/arch/powerpc/boot/mpsc.c b/arch/powerpc/boot/mpsc.c index f1c0e965e5c..802ea53790d 100644 --- a/arch/powerpc/boot/mpsc.c +++ b/arch/powerpc/boot/mpsc.c @@ -17,7 +17,6 @@ #include "io.h" #include "ops.h" -extern void udelay(long delay); #define MPSC_CHR_1 0x000c diff --git a/arch/powerpc/boot/mv64x60_i2c.c b/arch/powerpc/boot/mv64x60_i2c.c index 435fe852868..d085377be3b 100644 --- a/arch/powerpc/boot/mv64x60_i2c.c +++ b/arch/powerpc/boot/mv64x60_i2c.c @@ -21,8 +21,6 @@ #include "ops.h" #include "mv64x60.h" -extern void udelay(long); - /* Register defines */ #define MV64x60_I2C_REG_SLAVE_ADDR 0x00 #define MV64x60_I2C_REG_DATA 0x04 diff --git a/arch/powerpc/boot/of.c b/arch/powerpc/boot/of.c index 385e08b83b7..61d9899aa0d 100644 --- a/arch/powerpc/boot/of.c +++ b/arch/powerpc/boot/of.c @@ -17,8 +17,6 @@ #include "of.h" -extern char _end[]; - /* Value picked to match that used by yaboot */ #define PROG_START 0x01400000 /* only used on 64-bit systems */ #define RAM_END (512<<20) /* Fixme: use OF */ diff --git a/arch/powerpc/boot/ops.h b/arch/powerpc/boot/ops.h index 86077066cd7..45c2268d5c5 100644 --- a/arch/powerpc/boot/ops.h +++ b/arch/powerpc/boot/ops.h @@ -82,11 +82,14 @@ int ft_init(void *dt_blob, unsigned int max_size, unsigned int max_find_device); int serial_console_init(void); int ns16550_console_init(void *devp, struct serial_console_data *scdp); int mpsc_console_init(void *devp, struct serial_console_data *scdp); +int cpm_console_init(void *devp, struct serial_console_data *scdp); void *simple_alloc_init(char *base, unsigned long heap_size, unsigned long granularity, unsigned long max_allocs); extern void flush_cache(void *, unsigned long); int dt_xlate_reg(void *node, int res, unsigned long *addr, unsigned long *size); int dt_xlate_addr(void *node, u32 *buf, int buflen, unsigned long *xlated_addr); +int dt_is_compatible(void *node, const char *compat); +void dt_get_reg_format(void *node, u32 *naddr, u32 *nsize); static inline void *finddevice(const char *name) { @@ -191,4 +194,25 @@ static inline void exit(void) static char _bss_stack[size]; \ void *_platform_stack_top = _bss_stack + sizeof(_bss_stack); +extern unsigned long timebase_period_ns; +void udelay(long delay); + +extern char _start[]; +extern char __bss_start[]; +extern char _end[]; +extern char _vmlinux_start[]; +extern char _vmlinux_end[]; +extern char _initrd_start[]; +extern char _initrd_end[]; +extern char _dtb_start[]; +extern char _dtb_end[]; + +static inline __attribute__((const)) +int __ilog2_u32(u32 n) +{ + int bit; + asm ("cntlzw %0,%1" : "=r" (bit) : "r" (n)); + return 31 - bit; +} + #endif /* _PPC_BOOT_OPS_H_ */ diff --git a/arch/powerpc/boot/ppcboot.h b/arch/powerpc/boot/ppcboot.h index 5290ff2c2b2..6ae6f906395 100644 --- a/arch/powerpc/boot/ppcboot.h +++ b/arch/powerpc/boot/ppcboot.h @@ -78,17 +78,18 @@ typedef struct bd_info { hymod_conf_t bi_hymod_conf; /* hymod configuration information */ #endif #if defined(TARGET_EVB64260) || defined(TARGET_405EP) || defined(TARGET_44x) || \ - defined(TARGET_85xx) || defined(TARGET_83xx) + defined(TARGET_85xx) || defined(TARGET_83xx) || defined(TARGET_HAS_ETH1) /* second onboard ethernet port */ unsigned char bi_enet1addr[6]; #define HAVE_ENET1ADDR #endif -#if defined(TARGET_EVB64260) || defined(TARGET_440GX) || defined(TARGET_85xx) +#if defined(TARGET_EVB64260) || defined(TARGET_440GX) || \ + defined(TARGET_85xx) || defined(TARGET_HAS_ETH2) /* third onboard ethernet ports */ unsigned char bi_enet2addr[6]; #define HAVE_ENET2ADDR #endif -#if defined(TARGET_440GX) +#if defined(TARGET_440GX) || defined(TARGET_HAS_ETH3) /* fourth onboard ethernet ports */ unsigned char bi_enet3addr[6]; #define HAVE_ENET3ADDR diff --git a/arch/powerpc/boot/prpmc2800.c b/arch/powerpc/boot/prpmc2800.c index f428bac10d4..9614e1db9da 100644 --- a/arch/powerpc/boot/prpmc2800.c +++ b/arch/powerpc/boot/prpmc2800.c @@ -21,12 +21,6 @@ #include "gunzip_util.h" #include "mv64x60.h" -extern char _end[]; -extern char _vmlinux_start[], _vmlinux_end[]; -extern char _dtb_start[], _dtb_end[]; - -extern void udelay(long delay); - #define KB 1024U #define MB (KB*KB) #define GB (KB*MB) diff --git a/arch/powerpc/boot/ps3.c b/arch/powerpc/boot/ps3.c index 893d59339c2..d6661151b49 100644 --- a/arch/powerpc/boot/ps3.c +++ b/arch/powerpc/boot/ps3.c @@ -120,10 +120,6 @@ void ps3_copy_vectors(void) void platform_init(void) { - extern char _end[]; - extern char _dtb_start[]; - extern char _initrd_start[]; - extern char _initrd_end[]; const u32 heapsize = 0x1000000 - (u32)_end; /* 16MiB */ void *chosen; unsigned long ft_addr; diff --git a/arch/powerpc/boot/serial.c b/arch/powerpc/boot/serial.c index eaa0d3ae351..d47f8e0b4b8 100644 --- a/arch/powerpc/boot/serial.c +++ b/arch/powerpc/boot/serial.c @@ -19,8 +19,6 @@ #include "io.h" #include "ops.h" -extern void udelay(long delay); - static int serial_open(void) { struct serial_console_data *scdp = console_ops.data; @@ -114,29 +112,32 @@ int serial_console_init(void) { void *devp; int rc = -1; - char compat[MAX_PROP_LEN]; devp = serial_get_stdout_devp(); if (devp == NULL) goto err_out; - if (getprop(devp, "compatible", compat, sizeof(compat)) < 0) - goto err_out; - - if (!strcmp(compat, "ns16550")) + if (dt_is_compatible(devp, "ns16550")) rc = ns16550_console_init(devp, &serial_cd); - else if (!strcmp(compat, "marvell,mpsc")) + else if (dt_is_compatible(devp, "marvell,mpsc")) rc = mpsc_console_init(devp, &serial_cd); + else if (dt_is_compatible(devp, "fsl,cpm1-scc-uart") || + dt_is_compatible(devp, "fsl,cpm1-smc-uart") || + dt_is_compatible(devp, "fsl,cpm2-scc-uart") || + dt_is_compatible(devp, "fsl,cpm2-smc-uart")) + rc = cpm_console_init(devp, &serial_cd); /* Add other serial console driver calls here */ if (!rc) { console_ops.open = serial_open; console_ops.write = serial_write; - console_ops.edit_cmdline = serial_edit_cmdline; console_ops.close = serial_close; console_ops.data = &serial_cd; + if (serial_cd.getc) + console_ops.edit_cmdline = serial_edit_cmdline; + return 0; } err_out: diff --git a/arch/powerpc/boot/treeboot-bamboo.c b/arch/powerpc/boot/treeboot-bamboo.c new file mode 100644 index 00000000000..1f1fe5aaac1 --- /dev/null +++ b/arch/powerpc/boot/treeboot-bamboo.c @@ -0,0 +1,27 @@ +/* + * Copyright IBM Corporation, 2007 + * Josh Boyer <jwboyer@linux.vnet.ibm.com> + * + * Based on ebony wrapper: + * Copyright 2007 David Gibson, IBM Corporation. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License + * as published by the Free Software Foundation; version 2 of the License + */ +#include "ops.h" +#include "stdio.h" +#include "44x.h" + +extern char _end[]; + +BSS_STACK(4096); + +void platform_init(void) +{ + unsigned long end_of_ram = 0x8000000; + unsigned long avail_ram = end_of_ram - (unsigned long)_end; + + simple_alloc_init(_end, avail_ram, 32, 64); + bamboo_init(); +} diff --git a/arch/powerpc/boot/treeboot-ebony.c b/arch/powerpc/boot/treeboot-ebony.c index 8436a9c5519..21cc4834a38 100644 --- a/arch/powerpc/boot/treeboot-ebony.c +++ b/arch/powerpc/boot/treeboot-ebony.c @@ -16,8 +16,6 @@ #include "stdio.h" #include "44x.h" -extern char _end[]; - BSS_STACK(4096); #define OPENBIOS_MAC_BASE 0xfffffe0c |