diff options
Diffstat (limited to 'board/mpc8641hpcn')
| -rw-r--r-- | board/mpc8641hpcn/Makefile | 49 | ||||
| -rw-r--r-- | board/mpc8641hpcn/config.mk | 31 | ||||
| -rw-r--r-- | board/mpc8641hpcn/init.S | 180 | ||||
| -rw-r--r-- | board/mpc8641hpcn/mpc8641hpcn.c | 426 | ||||
| -rw-r--r-- | board/mpc8641hpcn/pixis.c | 321 | ||||
| -rw-r--r-- | board/mpc8641hpcn/pixis.h | 33 | ||||
| -rw-r--r-- | board/mpc8641hpcn/sys_eeprom.c | 256 | ||||
| -rw-r--r-- | board/mpc8641hpcn/u-boot.lds | 148 |
8 files changed, 1444 insertions, 0 deletions
diff --git a/board/mpc8641hpcn/Makefile b/board/mpc8641hpcn/Makefile new file mode 100644 index 0000000..f70f44b --- /dev/null +++ b/board/mpc8641hpcn/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2001 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = lib$(BOARD).a + +OBJS := $(BOARD).o pixis.o sys_eeprom.o +SOBJS := init.o + +$(LIB): $(OBJS) $(SOBJS) + $(AR) crv $@ $(OBJS) + +clean: + rm -f $(OBJS) $(SOBJS) + +.PHONY: distclean +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +.depend: Makefile $(SOBJS:.o=.S) $(OBJS:.o=.c) + $(CC) -M $(CPPFLAGS) $(SOBJS:.o=.S) $(OBJS:.o=.c) > $@ +ifeq ($(filter distclean, $(MAKECMDGOALS)),) +-include .depend +endif + +######################################################################### diff --git a/board/mpc8641hpcn/config.mk b/board/mpc8641hpcn/config.mk new file mode 100644 index 0000000..989a40b --- /dev/null +++ b/board/mpc8641hpcn/config.mk @@ -0,0 +1,31 @@ +# Copyright 2004 Freescale Semiconductor. +# Modified by Jeff Brown +# +# See file CREDITS for list of people who contributed to this +# project. +# +# 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. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +# +# mpc8641hpcn board +# default CCSRBAR is at 0xff700000 +# assume U-Boot is less than 0.5MB +# +TEXT_BASE = 0xfff01000 + +PLATFORM_CPPFLAGS += -DCONFIG_MPC86xx=1 +PLATFORM_CPPFLAGS += -DCONFIG_MPC8641=1 -maltivec -mabi=altivec -msoft-float diff --git a/board/mpc8641hpcn/init.S b/board/mpc8641hpcn/init.S new file mode 100644 index 0000000..c6ea55e --- /dev/null +++ b/board/mpc8641hpcn/init.S @@ -0,0 +1,180 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * Jeff Brown + * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <ppc_asm.tmpl> +#include <ppc_defs.h> +#include <asm/cache.h> +#include <asm/mmu.h> +#include <config.h> +#include <mpc86xx.h> + +/* + * LAW(Local Access Window) configuration: + * + * 0x0000_0000 0x7fff_ffff DDR 2G + * 0x8000_0000 0x9fff_ffff PCI1 MEM 512M + * 0xa000_0000 0xbfff_ffff PCI2 MEM 512M + * 0xc000_0000 0xdfff_ffff RapidIO 512M + * 0xe200_0000 0xe2ff_ffff PCI1 IO 16M + * 0xe300_0000 0xe3ff_ffff PCI2 IO 16M + * 0xf800_0000 0xf80f_ffff CCSRBAR 1M + * 0xf810_0000 0xf81f_ffff PIXIS 1M + * 0xfe00_0000 0xffff_ffff FLASH (boot bank) 32M + * + * Notes: + * CCSRBAR don't need a configured Local Access Window. + * If flash is 8M at default position (last 8M), no LAW needed. + */ + +#if !defined(CONFIG_SPD_EEPROM) +#define LAWBAR1 ((CFG_DDR_SDRAM_BASE>>12) & 0xffffff) +#define LAWAR1 (LAWAR_EN | LAWAR_TRGT_IF_DDR1 | (LAWAR_SIZE & LAWAR_SIZE_256M)) +#else +#define LAWBAR1 0 +#define LAWAR1 ((LAWAR_TRGT_IF_DDR1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) & ~LAWAR_EN) +#endif + +#define LAWBAR2 ((CFG_PCI1_MEM_BASE>>12) & 0xffffff) +#define LAWAR2 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_512M)) + +#define LAWBAR3 ((CFG_PCI2_MEM_BASE>>12) & 0xffffff) +#define LAWAR3 (~LAWAR_EN & (LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_512M))) + +/* + * This is not so much the SDRAM map as it is the whole localbus map. + */ +#define LAWBAR4 ((0xf8100000>>12) & 0xffffff) +#define LAWAR4 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_2M)) + +#define LAWBAR5 ((CFG_PCI1_IO_BASE>>12) & 0xffffff) +#define LAWAR5 (LAWAR_EN | LAWAR_TRGT_IF_PCI1 | (LAWAR_SIZE & LAWAR_SIZE_16M)) + +#define LAWBAR6 ((CFG_PCI2_IO_BASE>>12) & 0xffffff) +#define LAWAR6 (~LAWAR_EN &( LAWAR_TRGT_IF_PCI2 | (LAWAR_SIZE & LAWAR_SIZE_16M))) + +#define LAWBAR7 ((0xfe000000 >>12) & 0xffffff) +#define LAWAR7 (LAWAR_EN | LAWAR_TRGT_IF_LBC | (LAWAR_SIZE & LAWAR_SIZE_32M)) + +#if !defined(CONFIG_SPD_EEPROM) +#define LAWBAR8 ((CFG_DDR_SDRAM_BASE>>12) & 0xffffff) +#define LAWAR8 (LAWAR_EN | LAWAR_TRGT_IF_DDR2 | (LAWAR_SIZE & LAWAR_SIZE_256M)) +#else +#define LAWBAR8 0 +#define LAWAR8 ((LAWAR_TRGT_IF_DDR2 | (LAWAR_SIZE & LAWAR_SIZE_512M)) & ~LAWAR_EN) +#endif + +#define LAWBAR9 ((CFG_RIO_MEM_BASE>>12) & 0xfffff) +#define LAWAR9 (LAWAR_EN | LAWAR_TRGT_IF_RIO | (LAWAR_SIZE & LAWAR_SIZE_512M)) + + .section .bootpg, "ax" + .globl law_entry +law_entry: + lis r7,CFG_CCSRBAR@h + ori r7,r7,CFG_CCSRBAR@l + + addi r4,r7,0 + addi r5,r7,0 + + /* Skip LAWAR0, start at LAWAR1 */ + lis r6,LAWBAR1@h + ori r6,r6,LAWBAR1@l + stwu r6, 0xc28(r4) + + lis r6,LAWAR1@h + ori r6,r6,LAWAR1@l + stwu r6, 0xc30(r5) + + /* LAWBAR2, LAWAR2 */ + lis r6,LAWBAR2@h + ori r6,r6,LAWBAR2@l + stwu r6, 0x20(r4) + + lis r6,LAWAR2@h + ori r6,r6,LAWAR2@l + stwu r6, 0x20(r5) + + /* LAWBAR3, LAWAR3 */ + lis r6,LAWBAR3@h + ori r6,r6,LAWBAR3@l + stwu r6, 0x20(r4) + + lis r6,LAWAR3@h + ori r6,r6,LAWAR3@l + stwu r6, 0x20(r5) + + /* LAWBAR4, LAWAR4 */ + lis r6,LAWBAR4@h + ori r6,r6,LAWBAR4@l + stwu r6, 0x20(r4) + + lis r6,LAWAR4@h + ori r6,r6,LAWAR4@l + stwu r6, 0x20(r5) + /* LAWBAR5, LAWAR5 */ + lis r6,LAWBAR5@h + ori r6,r6,LAWBAR5@l + stwu r6, 0x20(r4) + + lis r6,LAWAR5@h + ori r6,r6,LAWAR5@l + stwu r6, 0x20(r5) + + /* LAWBAR6, LAWAR6 */ + lis r6,LAWBAR6@h + ori r6,r6,LAWBAR6@l + stwu r6, 0x20(r4) + + lis r6,LAWAR6@h + ori r6,r6,LAWAR6@l + stwu r6, 0x20(r5) + + /* LAWBAR7, LAWAR7 */ + lis r6,LAWBAR7@h + ori r6,r6,LAWBAR7@l + stwu r6, 0x20(r4) + + lis r6,LAWAR7@h + ori r6,r6,LAWAR7@l + stwu r6, 0x20(r5) + + /* LAWBAR8, LAWAR8 */ + lis r6,LAWBAR8@h + ori r6,r6,LAWBAR8@l + stwu r6, 0x20(r4) + + lis r6,LAWAR8@h + ori r6,r6,LAWAR8@l + stwu r6, 0x20(r5) + + /* LAWBAR9, LAWAR9 */ + lis r6,LAWBAR9@h + ori r6,r6,LAWBAR9@l + stwu r6, 0x20(r4) + + lis r6,LAWAR9@h + ori r6,r6,LAWAR9@l + stwu r6, 0x20(r5) + + blr + diff --git a/board/mpc8641hpcn/mpc8641hpcn.c b/board/mpc8641hpcn/mpc8641hpcn.c new file mode 100644 index 0000000..b2cf4a9 --- /dev/null +++ b/board/mpc8641hpcn/mpc8641hpcn.c @@ -0,0 +1,426 @@ +/* + * Copyright 2004 Freescale Semiconductor. + * Jeff Brown + * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) + * + * (C) Copyright 2002 Scott McNutt <smcnutt@artesyncp.com> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <pci.h> +#include <asm/processor.h> +#include <asm/immap_86xx.h> +#include <spd.h> + +#if defined(CONFIG_OF_FLAT_TREE) +#include <ft_build.h> +extern void ft_cpu_setup(void *blob, bd_t *bd); +#endif + +#include "pixis.h" + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) +extern void ddr_enable_ecc(unsigned int dram_size); +#endif + +#if defined(CONFIG_SPD_EEPROM) +#include "spd_sdram.h" +#endif + +void sdram_init(void); +long int fixed_sdram(void); + + +int board_early_init_f(void) +{ + return 0; +} + +int checkboard(void) +{ + puts("Board: MPC8641HPCN\n"); + +#ifdef CONFIG_PCI + + volatile immap_t *immap = (immap_t *) CFG_CCSRBAR; + volatile ccsr_gur_t *gur = &immap->im_gur; + volatile ccsr_pex_t *pex1 = &immap->im_pex1; + + uint devdisr = gur->devdisr; + uint io_sel = (gur->pordevsr & MPC86xx_PORDEVSR_IO_SEL) >> 16; + uint host1_agent = (gur->porbmsr & MPC86xx_PORBMSR_HA) >> 17; + uint pex1_agent = (host1_agent == 0) || (host1_agent == 1); + + if ((io_sel == 2 || io_sel == 3 || io_sel == 5 + || io_sel == 6 || io_sel == 7 || io_sel == 0xF) + && !(devdisr & MPC86xx_DEVDISR_PCIEX1)) { + debug("PCI-EXPRESS 1: %s \n", pex1_agent ? "Agent" : "Host"); + debug("0x%08x=0x%08x ", &pex1->pme_msg_det, pex1->pme_msg_det); + if (pex1->pme_msg_det) { + pex1->pme_msg_det = 0xffffffff; + debug(" with errors. Clearing. Now 0x%08x", + pex1->pme_msg_det); + } + debug("\n"); + } else { + puts("PCI-EXPRESS 1: Disabled\n"); + } + +#else + puts("PCI-EXPRESS1: Disabled\n"); +#endif + + return 0; +} + + +long int +initdram(int board_type) +{ + long dram_size = 0; + +#if defined(CONFIG_SPD_EEPROM) + dram_size = spd_sdram(); +#else + dram_size = fixed_sdram(); +#endif + +#if defined(CFG_RAMBOOT) + puts(" DDR: "); + return dram_size; +#endif + +#if defined(CONFIG_DDR_ECC) && !defined(CONFIG_ECC_INIT_VIA_DDRCONTROLLER) + /* + * Initialize and enable DDR ECC. + */ + ddr_enable_ecc(dram_size); +#endif + + puts(" DDR: "); + return dram_size; +} + + +#if defined(CFG_DRAM_TEST) +int +testdram(void) +{ + uint *pstart = (uint *) CFG_MEMTEST_START; + uint *pend = (uint *) CFG_MEMTEST_END; + uint *p; + + puts("SDRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + puts("SDRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + puts("SDRAM test passed.\n"); + return 0; +} +#endif + + +#if !defined(CONFIG_SPD_EEPROM) +/* + * Fixed sdram init -- doesn't use serial presence detect. + */ +long int +fixed_sdram(void) +{ +#if !defined(CFG_RAMBOOT) + volatile immap_t *immap = (immap_t *) CFG_IMMR; + volatile ccsr_ddr_t *ddr = &immap->im_ddr1; + + ddr->cs0_bnds = CFG_DDR_CS0_BNDS; + ddr->cs0_config = CFG_DDR_CS0_CONFIG; + ddr->ext_refrec = CFG_DDR_EXT_REFRESH; + ddr->timing_cfg_0 = CFG_DDR_TIMING_0; + ddr->timing_cfg_1 = CFG_DDR_TIMING_1; + ddr->timing_cfg_2 = CFG_DDR_TIMING_2; + ddr->sdram_mode_1 = CFG_DDR_MODE_1; + ddr->sdram_mode_2 = CFG_DDR_MODE_2; + ddr->sdram_interval = CFG_DDR_INTERVAL; + ddr->sdram_data_init = CFG_DDR_DATA_INIT; + ddr->sdram_clk_cntl = CFG_DDR_CLK_CTRL; + ddr->sdram_ocd_cntl = CFG_DDR_OCD_CTRL; + ddr->sdram_ocd_status = CFG_DDR_OCD_STATUS; + +#if defined (CONFIG_DDR_ECC) + ddr->err_disable = 0x0000008D; + ddr->err_sbe = 0x00ff0000; +#endif + asm("sync;isync"); + + udelay(500); + +#if defined (CONFIG_DDR_ECC) + /* Enable ECC checking */ + ddr->sdram_cfg_1 = (CFG_DDR_CONTROL | 0x20000000); +#else + ddr->sdram_cfg_1 = CFG_DDR_CONTROL; + ddr->sdram_cfg_2 = CFG_DDR_CONTROL2; +#endif + asm("sync; isync"); + + udelay(500); +#endif + return CFG_SDRAM_SIZE * 1024 * 1024; +} +#endif /* !defined(CONFIG_SPD_EEPROM) */ + + +#if defined(CONFIG_PCI) +/* + * Initialize PCI Devices, report devices found. + */ + +#ifndef CONFIG_PCI_PNP +static struct pci_config_table pci_fsl86xxads_config_table[] = { + {PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, + PCI_IDSEL_NUMBER, PCI_ANY_ID, + pci_cfgfunc_config_device, {PCI_ENET0_IOADDR, + PCI_ENET0_MEMADDR, + PCI_COMMAND_MEMORY | PCI_COMMAND_MASTER}}, + {} +}; +#endif + + +static struct pci_controller hose = { +#ifndef CONFIG_PCI_PNP + config_table:pci_mpc86xxcts_config_table, +#endif +}; + +#endif /* CONFIG_PCI */ + +void pci_init_board(void) +{ +#ifdef CONFIG_PCI + extern void pci_mpc86xx_init(struct pci_controller *hose); + + pci_mpc86xx_init(&hose); +#endif /* CONFIG_PCI */ +} + +#if defined(CONFIG_OF_FLAT_TREE) && defined(CONFIG_OF_BOARD_SETUP) +void +ft_board_setup(void *blob, bd_t *bd) +{ + u32 *p; + int len; + + ft_cpu_setup(blob, bd); + + p = ft_get_prop(blob, "/memory/reg", &len); + if (p != NULL) { + *p++ = cpu_to_be32(bd->bi_memstart); + *p = cpu_to_be32(bd->bi_memsize); + } +} +#endif + + +void +mpc8641_reset_board(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + char cmd; + ulong val; + ulong corepll; + + /* + * No args is a simple reset request. + */ + if (argc <= 1) { + out8(PIXIS_BASE + PIXIS_RST, 0); + /* not reached */ + } + + cmd = argv[1][1]; + switch (cmd) { + case 'f': /* reset with frequency changed */ + if (argc < 5) + goto my_usage; + read_from_px_regs(0); + + val = set_px_sysclk(simple_strtoul(argv[2], NULL, 10)); + + corepll = strfractoint(argv[3]); + val = val + set_px_corepll(corepll); + val = val + set_px_mpxpll(simple_strtoul(argv[4], NULL, 10)); + if (val == 3) { + puts("Setting registers VCFGEN0 and VCTL\n"); + read_from_px_regs(1); + puts("Resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL ....\n"); + set_px_go(); + } else + goto my_usage; + + while (1) ; /* Not reached */ + + case 'l': + if (argv[2][1] == 'f') { + read_from_px_regs(0); + read_from_px_regs_altbank(0); + /* reset with frequency changed */ + val = set_px_sysclk(simple_strtoul(argv[3], NULL, 10)); + + corepll = strfractoint(argv[4]); + val = val + set_px_corepll(corepll); + val = val + set_px_mpxpll(simple_strtoul(argv[5], + NULL, 10)); + if (val == 3) { + puts("Setting registers VCFGEN0, VCFGEN1, VBOOT, and VCTL\n"); + set_altbank(); + read_from_px_regs(1); + read_from_px_regs_altbank(1); + puts("Enabling watchdog timer on the FPGA and resetting board with values from VSPEED0, VSPEED1, VCLKH, and VCLKL to boot from the other bank ....\n"); + set_px_go_with_watchdog(); + } else + goto my_usage; + + while (1) ; /* Not reached */ + + } else if (argv[2][1] == 'd') { + /* + * Reset from alternate bank without changing + * frequencies but with watchdog timer enabled. + */ + read_from_px_regs(0); + read_from_px_regs_altbank(0); + puts("Setting registers VCFGEN1, VBOOT, and VCTL\n"); + set_altbank(); + read_from_px_regs_altbank(1); + puts("Enabling watchdog timer on the FPGA and resetting board to boot from the other bank....\n"); + set_px_go_with_watchdog(); + while (1) ; /* Not reached */ + + } else { + /* + * Reset from next bank without changing + * frequency and without watchdog timer enabled. + */ + read_from_px_regs(0); + read_from_px_regs_altbank(0); + if (argc > 2) + goto my_usage; + puts("Setting registers VCFGNE1, VBOOT, and VCTL\n"); + set_altbank(); + read_from_px_regs_altbank(1); + puts("Resetting board to boot from the other bank....\n"); + set_px_go(); + } + + default: + goto my_usage; + } + +my_usage: + puts("\nUsage: reset cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>\n"); + puts(" reset altbank [cf <SYSCLK freq> <COREPLL ratio> <MPXPLL ratio>]\n"); + puts(" reset altbank [wd]\n"); + puts("For example: reset cf 40 2.5 10\n"); + puts("See MPC8641HPCN Design Workbook for valid values of command line parameters.\n"); +} + + +/* + * get_board_sys_clk + * Reads the FPGA on board for CONFIG_SYS_CLK_FREQ + */ + +unsigned long +get_board_sys_clk(ulong dummy) +{ + u8 i, go_bit, rd_clks; + ulong val = 0; + + go_bit = in8(PIXIS_BASE + PIXIS_VCTL); + go_bit &= 0x01; + + rd_clks = in8(PIXIS_BASE + PIXIS_VCFGEN0); + rd_clks &= 0x1C; + + /* + * Only if both go bit and the SCLK bit in VCFGEN0 are set + * should we be using the AUX register. Remember, we also set the + * GO bit to boot from the alternate bank on the on-board flash + */ + + if (go_bit) { + if (rd_clks == 0x1c) + i = in8(PIXIS_BASE + PIXIS_AUX); + else + i = in8(PIXIS_BASE + PIXIS_SPD); + } else { + i = in8(PIXIS_BASE + PIXIS_SPD); + } + + i &= 0x07; + + switch (i) { + case 0: + val = 33000000; + break; + case 1: + val = 40000000; + break; + case 2: + val = 50000000; + break; + case 3: + val = 66000000; + break; + case 4: + val = 83000000; + break; + case 5: + val = 100000000; + break; + case 6: + val = 134000000; + break; + case 7: + val = 166000000; + break; + } + + return val; +} diff --git a/board/mpc8641hpcn/pixis.c b/board/mpc8641hpcn/pixis.c new file mode 100644 index 0000000..964a17c --- /dev/null +++ b/board/mpc8641hpcn/pixis.c @@ -0,0 +1,321 @@ +/* + * Copyright 2006 Freescale Semiconductor + * Jeff Brown + * Srikanth Srinivasan (srikanth.srinivasan@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <watchdog.h> +#include <command.h> +#include <asm/cache.h> +#include <mpc86xx.h> + +#include "pixis.h" + + +/* + * Per table 27, page 58 of MPC8641HPCN spec. + */ +int set_px_sysclk(ulong sysclk) +{ + u8 sysclk_s, sysclk_r, sysclk_v, vclkh, vclkl, sysclk_aux; + + switch (sysclk) { + case 33: + sysclk_s = 0x04; + sysclk_r = 0x04; + sysclk_v = 0x07; + sysclk_aux = 0x00; + break; + case 40: + sysclk_s = 0x01; + sysclk_r = 0x1F; + sysclk_v = 0x20; + sysclk_aux = 0x01; + break; + case 50: + sysclk_s = 0x01; + sysclk_r = 0x1F; + sysclk_v = 0x2A; + sysclk_aux = 0x02; + break; + case 66: + sysclk_s = 0x01; + sysclk_r = 0x04; + sysclk_v = 0x04; + sysclk_aux = 0x03; + break; + case 83: + sysclk_s = 0x01; + sysclk_r = 0x1F; + sysclk_v = 0x4B; + sysclk_aux = 0x04; + break; + case 100: + sysclk_s = 0x01; + sysclk_r = 0x1F; + sysclk_v = 0x5C; + sysclk_aux = 0x05; + break; + case 134: + sysclk_s = 0x06; + sysclk_r = 0x1F; + sysclk_v = 0x3B; + sysclk_aux = 0x06; + break; + case 166: + sysclk_s = 0x06; + sysclk_r = 0x1F; + sysclk_v = 0x4B; + sysclk_aux = 0x07; + break; + default: + printf("Unsupported SYSCLK frequency.\n"); + return 0; + } + + vclkh = (sysclk_s << 5) | sysclk_r; + vclkl = sysclk_v; + + out8(PIXIS_BASE + PIXIS_VCLKH, vclkh); + out8(PIXIS_BASE + PIXIS_VCLKL, vclkl); + + out8(PIXIS_BASE + PIXIS_AUX, sysclk_aux); + + return 1; +} + + +int set_px_mpxpll(ulong mpxpll) +{ + u8 tmp; + u8 val; + + switch (mpxpll) { + case 2: + case 4: + case 6: + case 8: + case 10: + case 12: + case 14: + case 16: + val = (u8) mpxpll; + break; + default: + printf("Unsupported MPXPLL ratio.\n"); + return 0; + } + + tmp = in8(PIXIS_BASE + PIXIS_VSPEED1); + tmp = (tmp & 0xF0) | (val & 0x0F); + out8(PIXIS_BASE + PIXIS_VSPEED1, tmp); + + return 1; +} + + +int set_px_corepll(ulong corepll) +{ + u8 tmp; + u8 val; + + switch ((int)corepll) { + case 20: + val = 0x08; + break; + case 25: + val = 0x0C; + break; + case 30: + val = 0x10; + break; + case 35: + val = 0x1C; + break; + case 40: + val = 0x14; + break; + case 45: + val = 0x0E; + break; + default: + printf("Unsupported COREPLL ratio.\n"); + return 0; + } + + tmp = in8(PIXIS_BASE + PIXIS_VSPEED0); + tmp = (tmp & 0xE0) | (val & 0x1F); + out8(PIXIS_BASE + PIXIS_VSPEED0, tmp); + + return 1; +} + + +void read_from_px_regs(int set) +{ + u8 mask = 0x1C; + u8 tmp = in8(PIXIS_BASE + PIXIS_VCFGEN0); + + if (set) + tmp = tmp | mask; + else + tmp = tmp & ~mask; + out8(PIXIS_BASE + PIXIS_VCFGEN0, tmp); +} + + +void read_from_px_regs_altbank(int set) +{ + u8 mask = 0x04; + u8 tmp = in8(PIXIS_BASE + PIXIS_VCFGEN1); + + if (set) + tmp = tmp | mask; + else + tmp = tmp & ~mask; + out8(PIXIS_BASE + PIXIS_VCFGEN1, tmp); +} + + +void set_altbank(void) +{ + u8 tmp; + + tmp = in8(PIXIS_BASE + PIXIS_VBOOT); + tmp ^= 0x40; + + out8(PIXIS_BASE + PIXIS_VBOOT, tmp); +} + + +void set_px_go(void) +{ + u8 tmp; + + tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = tmp & 0x1E; + out8(PIXIS_BASE + PIXIS_VCTL, tmp); + + tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = tmp | 0x01; + out8(PIXIS_BASE + PIXIS_VCTL, tmp); +} + + +void set_px_go_with_watchdog(void) +{ + u8 tmp; + + tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = tmp & 0x1E; + out8(PIXIS_BASE + PIXIS_VCTL, tmp); + + tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = tmp | 0x09; + out8(PIXIS_BASE + PIXIS_VCTL, tmp); +} + + +int disable_watchdog(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + u8 tmp; + + tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp = tmp & 0x1E; + out8(PIXIS_BASE + PIXIS_VCTL, tmp); + + /* setting VCTL[WDEN] to 0 to disable watch dog */ + tmp = in8(PIXIS_BASE + PIXIS_VCTL); + tmp &= ~0x08; + out8(PIXIS_BASE + PIXIS_VCTL, tmp); + + return 0; +} + +U_BOOT_CMD( + diswd, 1, 0, disable_watchdog, + "diswd - Disable watchdog timer \n", + NULL); + +/* + * This function takes the non-integral cpu:mpx pll ratio + * and converts it to an integer that can be used to assign + * FPGA register values. + * input: strptr i.e. argv[2] + */ + +ulong strfractoint(uchar *strptr) +{ + int i, j, retval; + int mulconst; + int intarr_len = 0, decarr_len = 0, no_dec = 0; + ulong intval = 0, decval = 0; + uchar intarr[3], decarr[3]; + + /* Assign the integer part to intarr[] + * If there is no decimal point i.e. + * if the ratio is an integral value + * simply create the intarr. + */ + i = 0; + while (strptr[i] != 46) { + if (strptr[i] == 0) { + no_dec = 1; + break; + } + intarr[i] = strptr[i]; + i++; + } + + /* Assign length of integer part to intarr_len. */ + intarr_len = i; + intarr[i] = '\0'; + + if (no_dec) { + /* Currently needed only for single digit corepll ratios */ + mulconst = 10; + decval = 0; + } else { + j = 0; + i++; /* Skipping the decimal point */ + while ((strptr[i] > 47) && (strptr[i] < 58)) { + decarr[j] = strptr[i]; + i++; + j++; + } + + decarr_len = j; + decarr[j] = '\0'; + + mulconst = 1; + for (i = 0; i < decarr_len; i++) + mulconst *= 10; + decval = simple_strtoul(decarr, NULL, 10); + } + + intval = simple_strtoul(intarr, NULL, 10); + intval = intval * mulconst; + + retval = intval + decval; + + return retval; +} diff --git a/board/mpc8641hpcn/pixis.h b/board/mpc8641hpcn/pixis.h new file mode 100644 index 0000000..cd9a45d --- /dev/null +++ b/board/mpc8641hpcn/pixis.h @@ -0,0 +1,33 @@ +/* + * Copyright 2006 Freescale Semiconductor + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +extern int set_px_sysclk(ulong sysclk); +extern int set_px_mpxpll(ulong mpxpll); +extern int set_px_corepll(ulong corepll); +extern void read_from_px_regs(int set); +extern void read_from_px_regs_altbank(int set); +extern void set_altbank(void); +extern void set_px_go(void); +extern void set_px_go_with_watchdog(void); +extern int disable_watchdog(cmd_tbl_t *cmdtp, + int flag, int argc, char *argv[]); +extern ulong strfractoint(uchar *strptr); diff --git a/board/mpc8641hpcn/sys_eeprom.c b/board/mpc8641hpcn/sys_eeprom.c new file mode 100644 index 0000000..74e2a3d --- /dev/null +++ b/board/mpc8641hpcn/sys_eeprom.c @@ -0,0 +1,256 @@ +/* + * Copyright 2006 Freescale Semiconductor + * York Sun (yorksun@freescale.com) + * Haiying Wang (haiying.wang@freescale.com) + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <command.h> +#include <i2c.h> +#include <linux/ctype.h> + +#ifdef CFG_ID_EEPROM +typedef struct { + unsigned char id[4]; /* 0x0000 - 0x0003 */ + unsigned char sn[12]; /* 0x0004 - 0x000F */ + unsigned char errata[5]; /* 0x0010 - 0x0014 */ + unsigned char date[7]; /* 0x0015 - 0x001a */ + unsigned char res_1[37]; /* 0x001b - 0x003f */ + unsigned char tab_size; /* 0x0040 */ + unsigned char tab_flag; /* 0x0041 */ + unsigned char mac[8][6]; /* 0x0042 - 0x0071 */ + unsigned char res_2[126]; /* 0x0072 - 0x00ef */ + unsigned int crc; /* 0x00f0 - 0x00f3 crc32 checksum */ +} EEPROM_data; + +static EEPROM_data mac_data; + +int mac_show(void) +{ + int i; + unsigned char ethaddr[8][18]; + + printf("ID %c%c%c%c\n", + mac_data.id[0], + mac_data.id[1], + mac_data.id[2], + mac_data.id[3]); + printf("Errata %c%c%c%c%c\n", + mac_data.errata[0], + mac_data.errata[1], + mac_data.errata[2], + mac_data.errata[3], + mac_data.errata[4]); + printf("Date %c%c%c%c%c%c%c\n", + mac_data.date[0], + mac_data.date[1], + mac_data.date[2], + mac_data.date[3], + mac_data.date[4], + mac_data.date[5], + mac_data.date[6]); + for (i = 0; i < 8; i++) { + sprintf(ethaddr[i], + "%02x:%02x:%02x:%02x:%02x:%02x", + mac_data.mac[i][0], + mac_data.mac[i][1], + mac_data.mac[i][2], + mac_data.mac[i][3], + mac_data.mac[i][4], + mac_data.mac[i][5]); + printf("MAC %d %s\n", i, ethaddr[i]); + } + + setenv("ethaddr", ethaddr[0]); + setenv("eth1addr", ethaddr[1]); + setenv("eth2addr", ethaddr[2]); + setenv("eth3addr", ethaddr[3]); + + return 0; +} + +int mac_read(void) +{ + int ret, length; + unsigned int crc = 0; + unsigned char dev = ID_EEPROM_ADDR, *data; + + length = sizeof(EEPROM_data); + ret = i2c_read(dev, 0, 1, (unsigned char *)(&mac_data), length); + if (ret) { + printf("Read failed.\n"); + return -1; + } + + data = (unsigned char *)(&mac_data); + printf("Check CRC on reading ..."); + crc = crc32(crc, data, length - 4); + if (crc != mac_data.crc) { + printf("CRC checksum is invalid, in EEPROM CRC is %x, calculated CRC is %x\n", + mac_data.crc, crc); + return -1; + } else { + printf("CRC OK\n"); + mac_show(); + } + return 0; +} + +int mac_prog(void) +{ + int ret, i, length; + unsigned int crc = 0; + unsigned char dev = ID_EEPROM_ADDR, *ptr; + unsigned char *eeprom_data = (unsigned char *)(&mac_data); + + for (i = 0; i < sizeof(mac_data.res_1); i++) + mac_data.res_1[i] = 0; + for (i = 0; i < sizeof(mac_data.res_2); i++) + mac_data.res_2[i] = 0; + length = sizeof(EEPROM_data); + crc = crc32(crc, eeprom_data, length - 4); + mac_data.crc = crc; + for (i = 0, ptr = eeprom_data; i < length; i += 8, ptr += 8) { + ret = + i2c_write(dev, i, 1, ptr, + (length - i) < 8 ? (length - i) : 8); + udelay(5000); /* 5ms write cycle timing */ + if (ret) + break; + } + if (ret) { + printf("Programming failed.\n"); + return -1; + } else { + printf("Programming %d bytes. Reading back ...\n", length); + mac_read(); + } + return 0; +} + +int do_mac(cmd_tbl_t * cmdtp, int flag, int argc, char *argv[]) +{ + int i; + char cmd = 's'; + unsigned long long mac_val; + + if (i2c_probe(ID_EEPROM_ADDR) != 0) + return -1; + + if (argc > 1) { + cmd = argv[1][0]; + switch (cmd) { + case 'r': /* display */ + mac_read(); + break; + case 's': /* save */ + mac_prog(); + break; + case 'i': /* id */ + for (i = 0; i < 4; i++) { + mac_data.id[i] = argv[2][i]; + } + break; + case 'n': /* serial number */ + for (i = 0; i < 12; i++) { + mac_data.sn[i] = argv[2][i]; + } + break; + case 'e': /* errata */ + for (i = 0; i < 5; i++) { + mac_data.errata[i] = argv[2][i]; + } + break; + case 'd': /* date */ + for (i = 0; i < 7; i++) { + mac_data.date[i] = argv[2][i]; + } + break; + case 'p': /* number of ports */ + mac_data.tab_size = + (unsigned char)simple_strtoul(argv[2], NULL, 16); + break; + case '0': /* mac 0 */ + case '1': /* mac 1 */ + case '2': /* mac 2 */ + case '3': /* mac 3 */ + case '4': /* mac 4 */ + case '5': /* mac 5 */ + case '6': /* mac 6 */ + case '7': /* mac 7 */ + mac_val = simple_strtoull(argv[2], NULL, 16); + for (i = 0; i < 6; i++) { + mac_data.mac[cmd - '0'][i] = + *((unsigned char *) + (((unsigned int)(&mac_val)) + i + 2)); + } + break; + case 'h': /* help */ + default: + printf("Usage:\n%s\n", cmdtp->usage); + break; + } + } else { + mac_show(); + } + return 0; +} + +int mac_read_from_eeprom(void) +{ + int length, i; + unsigned char dev = ID_EEPROM_ADDR; + unsigned char *data; + unsigned char ethaddr[4][18]; + unsigned char enetvar[32]; + unsigned int crc = 0; + + length = sizeof(EEPROM_data); + if (i2c_read(dev, 0, 1, (unsigned char *)(&mac_data), length)) { + printf("Read failed.\n"); + return -1; + } + + data = (unsigned char *)(&mac_data); + crc = crc32(crc, data, length - 4); + if (crc != mac_data.crc) { + return -1; + } else { + for (i = 0; i < 4; i++) { + if (memcmp(&mac_data.mac[i], "\0\0\0\0\0\0", 6)) { + sprintf(ethaddr[i], + "%02x:%02x:%02x:%02x:%02x:%02x", + mac_data.mac[i][0], + mac_data.mac[i][1], + mac_data.mac[i][2], + mac_data.mac[i][3], + mac_data.mac[i][4], + mac_data.mac[i][5]); + sprintf(enetvar, + i ? "eth%daddr" : "ethaddr", + i); + setenv(enetvar, ethaddr[i]); + } + } + } + return 0; +} +#endif /* CFG_ID_EEPROM */ diff --git a/board/mpc8641hpcn/u-boot.lds b/board/mpc8641hpcn/u-boot.lds new file mode 100644 index 0000000..b34de8e --- /dev/null +++ b/board/mpc8641hpcn/u-boot.lds @@ -0,0 +1,148 @@ +/* + * (C) Copyright 2004, Freescale, Inc. + * (C) Copyright 2002,2003, Motorola,Inc. + * Jeff Brown + * + * See file CREDITS for list of people who contributed to this + * project. + * + * 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. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +OUTPUT_ARCH(powerpc) +SEARCH_DIR(/lib); SEARCH_DIR(/usr/lib); SEARCH_DIR(/usr/local/lib); SEARCH_DIR(/usr/local/powerpc-any-elf/lib); +/* Do we need any of these for elf? + __DYNAMIC = 0; */ +SECTIONS +{ + .resetvec 0xFFF00100 : + { + *(.resetvec) + } = 0xffff + + .bootpg 0xFFF70000 : + { + cpu/mpc86xx/start.o (.bootpg) + board/mpc8641hpcn/init.o (.bootpg) + } = 0xffff + + /* Read-only sections, merged into text segment: */ + . = + 1024; + .interp : { *(.interp) } + .hash : { *(.hash) } + .dynsym : { *(.dynsym) } + .dynstr : { *(.dynstr) } + .rel.text : { *(.rel.text) } + .rela.text : { *(.rela.text) } + .rel.data : { *(.rel.data) } + .rela.data : { *(.rela.data) } + .rel.rodata : { *(.rel.rodata) } + .rela.rodata : { *(.rela.rodata) } + .rel.got : { *(.rel.got) } + .rela.got : { *(.rela.got) } + .rel.ctors : { *(.rel.ctors) } + .rela.ctors : { *(.rela.ctors) } + .rel.dtors : { *(.rel.dtors) } + .rela.dtors : { *(.rela.dtors) } + .rel.bss : { *(.rel.bss) } + .rela.bss : { *(.rela.bss) } + .rel.plt : { *(.rel.plt) } + .rela.plt : { *(.rela.plt) } + .init : { *(.init) } + .plt : { *(.plt) } + .text : + { + cpu/mpc86xx/start.o (.text) + board/mpc8641hpcn/init.o (.text) + cpu/mpc86xx/traps.o (.text) + cpu/mpc86xx/interrupts.o (.text) + cpu/mpc86xx/cpu_init.o (.text) + cpu/mpc86xx/cpu.o (.text) + cpu/mpc86xx/speed.o (.text) + cpu/mpc86xx/pci.o (.text) + common/dlmalloc.o (.text) + lib_generic/crc32.o (.text) + lib_ppc/extable.o (.text) + lib_generic/zlib.o (.text) + *(.text) + *(.fixup) + *(.got1) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(.rodata) + *(.rodata1) + *(.rodata.str1.4) + } + .fini : { *(.fini) } =0 + .ctors : { *(.ctors) } + .dtors : { *(.dtors) } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + *(.got) + _GOT2_TABLE_ = .; + *(.got2) + _FIXUP_TABLE_ = .; + *(.fixup) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >> 2; + __fixup_entries = (. - _FIXUP_TABLE_) >> 2; + + .data : + { + *(.data) + *(.data1) + *(.sdata) + *(.sdata2) + *(.dynamic) + CONSTRUCTORS + } + _edata = .; + PROVIDE (edata = .); + + __u_boot_cmd_start = .; + .u_boot_cmd : { *(.u_boot_cmd) } + __u_boot_cmd_end = .; + + __start___ex_table = .; + __ex_table : { *(__ex_table) } + __stop___ex_table = .; + + . = ALIGN(256); + __init_begin = .; + .text.init : { *(.text.init) } + .data.init : { *(.data.init) } + . = ALIGN(256); + __init_end = .; + + __bss_start = .; + .bss : + { + *(.sbss) *(.scommon) + *(.dynbss) + *(.bss) + *(COMMON) + } + _end = . ; + PROVIDE (end = .); +} |