diff options
Diffstat (limited to 'u-boot/board/amcc/acadia')
| -rw-r--r-- | u-boot/board/amcc/acadia/Makefile | 51 | ||||
| -rw-r--r-- | u-boot/board/amcc/acadia/acadia.c | 118 | ||||
| -rw-r--r-- | u-boot/board/amcc/acadia/cmd_acadia.c | 99 | ||||
| -rw-r--r-- | u-boot/board/amcc/acadia/config.mk | 37 | ||||
| -rw-r--r-- | u-boot/board/amcc/acadia/memory.c | 110 | ||||
| -rw-r--r-- | u-boot/board/amcc/acadia/pll.c | 195 | ||||
| -rw-r--r-- | u-boot/board/amcc/acadia/u-boot-nand.lds | 103 |
7 files changed, 713 insertions, 0 deletions
diff --git a/u-boot/board/amcc/acadia/Makefile b/u-boot/board/amcc/acadia/Makefile new file mode 100644 index 0000000..b277287 --- /dev/null +++ b/u-boot/board/amcc/acadia/Makefile @@ -0,0 +1,51 @@ +# +# (C) Copyright 2007 +# 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 = $(obj)lib$(BOARD).o + +COBJS = $(BOARD).o cmd_acadia.o memory.o pll.o +SOBJS = + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/u-boot/board/amcc/acadia/acadia.c b/u-boot/board/amcc/acadia/acadia.c new file mode 100644 index 0000000..4825611 --- /dev/null +++ b/u-boot/board/amcc/acadia/acadia.c @@ -0,0 +1,118 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 <common.h> +#include <asm/processor.h> + +extern void board_pll_init_f(void); + +static void acadia_gpio_init(void) +{ + /* + * GPIO0 setup (select GPIO or alternate function) + */ + out32(GPIO0_OSRL, CONFIG_SYS_GPIO0_OSRL); + out32(GPIO0_OSRH, CONFIG_SYS_GPIO0_OSRH); /* output select */ + out32(GPIO0_ISR1L, CONFIG_SYS_GPIO0_ISR1L); + out32(GPIO0_ISR1H, CONFIG_SYS_GPIO0_ISR1H); /* input select */ + out32(GPIO0_TSRL, CONFIG_SYS_GPIO0_TSRL); + out32(GPIO0_TSRH, CONFIG_SYS_GPIO0_TSRH); /* three-state select */ + out32(GPIO0_TCR, CONFIG_SYS_GPIO0_TCR); /* enable output driver for outputs */ + + /* + * Ultra (405EZ) was nice enough to add another GPIO controller + */ + out32(GPIO1_OSRH, CONFIG_SYS_GPIO1_OSRH); /* output select */ + out32(GPIO1_OSRL, CONFIG_SYS_GPIO1_OSRL); + out32(GPIO1_ISR1H, CONFIG_SYS_GPIO1_ISR1H); /* input select */ + out32(GPIO1_ISR1L, CONFIG_SYS_GPIO1_ISR1L); + out32(GPIO1_TSRH, CONFIG_SYS_GPIO1_TSRH); /* three-state select */ + out32(GPIO1_TSRL, CONFIG_SYS_GPIO1_TSRL); + out32(GPIO1_TCR, CONFIG_SYS_GPIO1_TCR); /* enable output driver for outputs */ +} + +int board_early_init_f(void) +{ + unsigned int reg; + +#if !defined(CONFIG_NAND_U_BOOT) + /* don't reinit PLL when booting via I2C bootstrap option */ + mfsdr(SDR0_PINSTP, reg); + if (reg != 0xf0000000) + board_pll_init_f(); +#endif + + acadia_gpio_init(); + + /* Configure 405EZ for NAND usage */ + mtsdr(SDR0_NAND0, SDR_NAND0_NDEN | SDR_NAND0_NDAREN | SDR_NAND0_NDRBEN); + mfsdr(SDR0_ULTRA0, reg); + reg &= ~SDR_ULTRA0_CSN_MASK; + reg |= (SDR_ULTRA0_CSNSEL0 >> CONFIG_SYS_NAND_CS) | + SDR_ULTRA0_NDGPIOBP | + SDR_ULTRA0_EBCRDYEN | + SDR_ULTRA0_NFSRSTEN; + mtsdr(SDR0_ULTRA0, reg); + + /* USB Host core needs this bit set */ + mfsdr(SDR0_ULTRA1, reg); + mtsdr(SDR0_ULTRA1, reg | SDR_ULTRA1_LEDNENABLE); + + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + mtdcr(UIC0ER, 0x00000000); /* disable all ints */ + mtdcr(UIC0CR, 0x00000010); + mtdcr(UIC0PR, 0xFE7FFFF0); /* set int polarities */ + mtdcr(UIC0TR, 0x00000010); /* set int trigger levels */ + mtdcr(UIC0SR, 0xFFFFFFFF); /* clear all ints */ + + return 0; +} + +int misc_init_f(void) +{ + /* Set EPLD to take PHY out of reset */ + out8(CONFIG_SYS_CPLD_BASE + 0x05, 0x00); + udelay(100000); + + return 0; +} + +/* + * Check Board Identity: + */ +int checkboard(void) +{ + char *s = getenv("serial#"); + u8 rev; + + rev = in8(CONFIG_SYS_CPLD_BASE + 0); + printf("Board: Acadia - AMCC PPC405EZ Evaluation Board, Rev. %X", rev); + + if (s != NULL) { + puts(", serial# "); + puts(s); + } + putc('\n'); + + return (0); +} diff --git a/u-boot/board/amcc/acadia/cmd_acadia.c b/u-boot/board/amcc/acadia/cmd_acadia.c new file mode 100644 index 0000000..6936e51 --- /dev/null +++ b/u-boot/board/amcc/acadia/cmd_acadia.c @@ -0,0 +1,99 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 <common.h> +#include <command.h> +#include <i2c.h> + +static u8 boot_267_nor[] = { + 0xc0, 0x00, 0x00, 0x00, 0x00, 0x00, 0x8e, 0x00, + 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 +}; + +static u8 boot_267_nand[] = { + 0xd0, 0x38, 0xc3, 0x50, 0x13, 0x88, 0x8e, 0x00, + 0x14, 0xc0, 0x36, 0xcc, 0x00, 0x0c, 0x00, 0x00, + 0x00, 0x00, 0x00, 0x00 +}; + +static int do_bootstrap(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +{ + u8 chip; + u8 *buf; + int cpu_freq; + + if (argc < 3) + return cmd_usage(cmdtp); + + cpu_freq = simple_strtol(argv[1], NULL, 10); + if (cpu_freq != 267) { + printf("Unsupported cpu-frequency - only 267 supported\n"); + return 1; + } + + /* use 0x50 as I2C EEPROM address for now */ + chip = 0x50; + + if ((strcmp(argv[2], "nor") != 0) && + (strcmp(argv[2], "nand") != 0)) { + printf("Unsupported boot-device - only nor|nand support\n"); + return 1; + } + + if (strcmp(argv[2], "nand") == 0) { + switch (cpu_freq) { + case 267: + buf = boot_267_nand; + break; + default: + break; + } + } else { + switch (cpu_freq) { + case 267: + buf = boot_267_nor; + break; + default: + break; + } + } + + if (i2c_write(chip, 0, 1, buf, 16) != 0) + printf("Error writing to EEPROM at address 0x%x\n", chip); + udelay(CONFIG_SYS_EEPROM_PAGE_WRITE_DELAY_MS * 1000); + if (i2c_write(chip, 0x10, 1, buf+16, 4) != 0) + printf("Error2 writing to EEPROM at address 0x%x\n", chip); + + printf("Done\n"); + printf("Please power-cycle the board for the changes to take effect\n"); + + return 0; +} + +U_BOOT_CMD( + bootstrap, 3, 0, do_bootstrap, + "program the I2C bootstrap EEPROM", + "<cpu-freq> <nor|nand> - program the I2C bootstrap EEPROM" +); diff --git a/u-boot/board/amcc/acadia/config.mk b/u-boot/board/amcc/acadia/config.mk new file mode 100644 index 0000000..2f2787f --- /dev/null +++ b/u-boot/board/amcc/acadia/config.mk @@ -0,0 +1,37 @@ +# +# (C) Copyright 2007-2010 +# 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 +# + +# +# AMCC 405EZ Reference Platform (Acadia) board +# + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifdef CONFIG_SYS_LDSCRIPT +# need to strip off double quotes +LDSCRIPT := $(subst ",,$(CONFIG_SYS_LDSCRIPT)) +else ifdef CONFIG_NAND_U_BOOT +LDSCRIPT := $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds +endif diff --git a/u-boot/board/amcc/acadia/memory.c b/u-boot/board/amcc/acadia/memory.c new file mode 100644 index 0000000..703a668 --- /dev/null +++ b/u-boot/board/amcc/acadia/memory.c @@ -0,0 +1,110 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 + */ + +/* define DEBUG for debugging output (obviously ;-)) */ +#if 0 +#define DEBUG +#endif + +#include <common.h> +#include <asm/processor.h> +#include <asm/io.h> +#include <asm/ppc4xx-gpio.h> + +extern void board_pll_init_f(void); + +#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) +static void cram_bcr_write(u32 wr_val) +{ + wr_val <<= 2; + + /* set CRAM_CRE to 1 */ + gpio_write_bit(CONFIG_SYS_GPIO_CRAM_CRE, 1); + + /* Write BCR to CRAM on CS1 */ + out32(wr_val + 0x00200000, 0); + debug("CRAM VAL: %08x for CS1 ", wr_val + 0x00200000); + + /* Write BCR to CRAM on CS2 */ + out32(wr_val + 0x02200000, 0); + debug("CRAM VAL: %08x for CS2\n", wr_val + 0x02200000); + + sync(); + eieio(); + + /* set CRAM_CRE back to 0 (normal operation) */ + gpio_write_bit(CONFIG_SYS_GPIO_CRAM_CRE, 0); + + return; +} +#endif + +phys_size_t initdram(int board_type) +{ +#if defined(CONFIG_NAND_SPL) + u32 reg; + + /* don't reinit PLL when booting via I2C bootstrap option */ + mfsdr(SDR0_PINSTP, reg); + if (reg != 0xf0000000) + board_pll_init_f(); +#endif + +#if !defined(CONFIG_NAND_U_BOOT) || defined(CONFIG_NAND_SPL) + int i; + u32 val; + + /* 1. EBC need to program READY, CLK, ADV for ASync mode */ + gpio_config(CONFIG_SYS_GPIO_CRAM_CLK, GPIO_OUT, GPIO_SEL, GPIO_OUT_0); + gpio_config(CONFIG_SYS_GPIO_CRAM_ADV, GPIO_OUT, GPIO_SEL, GPIO_OUT_0); + gpio_config(CONFIG_SYS_GPIO_CRAM_CRE, GPIO_OUT, GPIO_SEL, GPIO_OUT_0); + gpio_config(CONFIG_SYS_GPIO_CRAM_WAIT, GPIO_IN, GPIO_SEL, GPIO_OUT_NO_CHG); + + /* 2. EBC in Async mode */ + mtebc(PB1AP, 0x078F1EC0); + mtebc(PB2AP, 0x078F1EC0); + mtebc(PB1CR, 0x000BC000); + mtebc(PB2CR, 0x020BC000); + + /* 3. Set CRAM in Sync mode */ + cram_bcr_write(0x7012); /* CRAM burst setting */ + + /* 4. EBC in Sync mode */ + mtebc(PB1AP, 0x9C0201C0); + mtebc(PB2AP, 0x9C0201C0); + + /* Set GPIO pins back to alternate function */ + gpio_config(CONFIG_SYS_GPIO_CRAM_CLK, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG); + gpio_config(CONFIG_SYS_GPIO_CRAM_ADV, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG); + + /* Config EBC to use RDY */ + mfsdr(SDR0_ULTRA0, val); + mtsdr(SDR0_ULTRA0, val | SDR_ULTRA0_EBCRDYEN); + + /* Wait a short while, since for NAND booting this is too fast */ + for (i=0; i<200000; i++) + ; +#endif + + return (CONFIG_SYS_MBYTES_RAM << 20); +} diff --git a/u-boot/board/amcc/acadia/pll.c b/u-boot/board/amcc/acadia/pll.c new file mode 100644 index 0000000..6327d6c --- /dev/null +++ b/u-boot/board/amcc/acadia/pll.c @@ -0,0 +1,195 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@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 <common.h> +#include <asm/processor.h> +#include <asm/ppc405.h> + +/* test-only: move into cpu directory!!! */ + +#if defined(PLLMR0_200_133_66) +void board_pll_init_f(void) +{ + /* + * set PLL clocks based on input sysclk is 33M + * + * ---------------------------------- + * | CLK | FREQ (MHz) | DIV RATIO | + * ---------------------------------- + * | CPU | 200.0 | 4 (0x02)| + * | PLB | 133.3 | 6 (0x06)| + * | OPB | 66.6 | 12 (0x0C)| + * | EBC | 66.6 | 12 (0x0C)| + * | SPI | 66.6 | 12 (0x0C)| + * | UART0 | 10.0 | 40 (0x28)| + * | UART1 | 10.0 | 40 (0x28)| + * | DAC | 2.0 | 200 (0xC8)| + * | ADC | 2.0 | 200 (0xC8)| + * | PWM | 100.0 | 4 (0x04)| + * | EMAC | 25.0 | 16 (0x10)| + * ----------------------------------- + */ + + /* Initialize PLL */ + mtcpr(CPR0_PLLC, 0x0000033c); + mtcpr(CPR0_PLLD, 0x0c010200); + mtcpr(CPR0_PRIMAD, 0x04060c0c); + mtcpr(CPR0_PERD0, 0x000c0000); /* SPI clk div. eq. OPB clk div. */ + mtcpr(CPR0_CLKUPD, 0x40000000); +} + +#elif defined(PLLMR0_266_160_80) + +void board_pll_init_f(void) +{ + /* + * set PLL clocks based on input sysclk is 33M + * + * ---------------------------------- + * | CLK | FREQ (MHz) | DIV RATIO | + * ---------------------------------- + * | CPU | 266.64 | 3 | + * | PLB | 159.98 | 5 (0x05)| + * | OPB | 79.99 | 10 (0x0A)| + * | EBC | 79.99 | 10 (0x0A)| + * | SPI | 79.99 | 10 (0x0A)| + * | UART0 | 28.57 | 7 (0x07)| + * | UART1 | 28.57 | 7 (0x07)| + * | DAC | 28.57 | 7 (0xA7)| + * | ADC | 4 | 50 (0x32)| + * | PWM | 28.57 | 7 (0x07)| + * | EMAC | 4 | 50 (0x32)| + * ----------------------------------- + */ + + /* Initialize PLL */ + mtcpr(CPR0_PLLC, 0x20000238); + mtcpr(CPR0_PLLD, 0x03010400); + mtcpr(CPR0_PRIMAD, 0x03050a0a); + mtcpr(CPR0_PERC0, 0x00000000); + mtcpr(CPR0_PERD0, 0x070a0707); /* SPI clk div. eq. OPB clk div. */ + mtcpr(CPR0_PERD1, 0x07323200); + mtcpr(CPR0_CLKUP, 0x40000000); +} + +#elif defined(PLLMR0_333_166_83) + +void board_pll_init_f(void) +{ + /* + * set PLL clocks based on input sysclk is 33M + * + * ---------------------------------- + * | CLK | FREQ (MHz) | DIV RATIO | + * ---------------------------------- + * | CPU | 333.33 | 2 | + * | PLB | 166.66 | 4 (0x04)| + * | OPB | 83.33 | 8 (0x08)| + * | EBC | 83.33 | 8 (0x08)| + * | SPI | 83.33 | 8 (0x08)| + * | UART0 | 16.66 | 5 (0x05)| + * | UART1 | 16.66 | 5 (0x05)| + * | DAC | ???? | 166 (0xA6)| + * | ADC | ???? | 166 (0xA6)| + * | PWM | 41.66 | 3 (0x03)| + * | EMAC | ???? | 3 (0x03)| + * ----------------------------------- + */ + + /* Initialize PLL */ + mtcpr(CPR0_PLLC, 0x0000033C); + mtcpr(CPR0_PLLD, 0x0a010000); + mtcpr(CPR0_PRIMAD, 0x02040808); + mtcpr(CPR0_PERD0, 0x02080505); /* SPI clk div. eq. OPB clk div. */ + mtcpr(CPR0_PERD1, 0xA6A60300); + mtcpr(CPR0_CLKUP, 0x40000000); +} + +#elif defined(PLLMR0_100_100_12) + +void board_pll_init_f(void) +{ + /* + * set PLL clocks based on input sysclk is 33M + * + * ---------------------- + * | CLK | FREQ (MHz) | + * ---------------------- + * | CPU | 100.00 | + * | PLB | 100.00 | + * | OPB | 12.00 | + * | EBC | 49.00 | + * ---------------------- + */ + + /* Initialize PLL */ + mtcpr(CPR0_PLLC, 0x000003BC); + mtcpr(CPR0_PLLD, 0x06060600); + mtcpr(CPR0_PRIMAD, 0x02020004); + mtcpr(CPR0_PERD0, 0x04002828); /* SPI clk div. eq. OPB clk div. */ + mtcpr(CPR0_PERD1, 0xC8C81600); + mtcpr(CPR0_CLKUP, 0x40000000); +} +#endif /* CPU_<speed>_405EZ */ + +#if defined(CONFIG_NAND_SPL) || defined(CONFIG_SPI_SPL) +/* + * Get timebase clock frequency + */ +unsigned long get_tbclk(void) +{ + unsigned long cpr_plld; + unsigned long cpr_primad; + unsigned long primad_cpudv; + unsigned long pllFbkDiv; + unsigned long freqProcessor; + + /* + * Read PLL Mode registers + */ + mfcpr(CPR0_PLLD, cpr_plld); + + /* + * Read CPR_PRIMAD register + */ + mfcpr(CPR0_PRIMAD, cpr_primad); + + /* + * Determine CPU clock frequency + */ + primad_cpudv = ((cpr_primad & PRIMAD_CPUDV_MASK) >> 24); + if (primad_cpudv == 0) + primad_cpudv = 16; + + /* + * Determine FBK_DIV. + */ + pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24); + if (pllFbkDiv == 0) + pllFbkDiv = 256; + + freqProcessor = (CONFIG_SYS_CLK_FREQ * pllFbkDiv) / primad_cpudv; + + return (freqProcessor); +} +#endif /* defined(CONFIG_NAND_SPL) || defined(CONFIG_SPI_SPL) */ diff --git a/u-boot/board/amcc/acadia/u-boot-nand.lds b/u-boot/board/amcc/acadia/u-boot-nand.lds new file mode 100644 index 0000000..c2a04c7 --- /dev/null +++ b/u-boot/board/amcc/acadia/u-boot-nand.lds @@ -0,0 +1,103 @@ +/* + * (C) Copyright 2007 + * 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 + */ + +OUTPUT_ARCH(powerpc) +SECTIONS +{ + /* Read-only sections, merged into text segment: */ + . = + SIZEOF_HEADERS; + .text : + { + /* WARNING - the following is hand-optimized to fit within */ + /* the sector layout of our flash chips! XXX FIXME XXX */ + + arch/powerpc/cpu/ppc4xx/start.o (.text*) + + /* Align to next NAND block */ + . = ALIGN(0x4000); + common/env_embedded.o (.ppcenv) + /* Keep some space here for redundant env and potential bad env blocks */ + . = ALIGN(0x10000); + + *(.text*) + } + _etext = .; + PROVIDE (etext = .); + .rodata : + { + *(SORT_BY_ALIGNMENT(SORT_BY_NAME(.rodata*))) + } + + /* Read-write section, merged into data segment: */ + . = (. + 0x00FF) & 0xFFFFFF00; + _erotext = .; + PROVIDE (erotext = .); + .reloc : + { + KEEP(*(.got)) + _GOT2_TABLE_ = .; + KEEP(*(.got2)) + _FIXUP_TABLE_ = .; + KEEP(*(.fixup)) + } + __got2_entries = (_FIXUP_TABLE_ - _GOT2_TABLE_) >>2; + __fixup_entries = (. - _FIXUP_TABLE_)>>2; + + .data : + { + *(.data*) + *(.sdata*) + } + _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 (NOLOAD) : + { + *(.bss*) + *(.sbss*) + *(COMMON) + . = ALIGN(4); + } + + _end = . ; + PROVIDE (end = .); +} |