From f35d61ac3d1fd324a171904f3fa114e3b10e24ef Mon Sep 17 00:00:00 2001 From: Nick Thompson Date: Fri, 19 Nov 2010 11:14:50 -0500 Subject: da830: fixup ARM relocation support Fixes build breakage in da830evm after commit 97003756249bd790910417eb66f0039bbf06a02c "da8xx: fixup ARM relocation support" The da8xx fixup commit changed da830/da850 common code to make relocation work in da850, but didn't add the required defines to da830evm_config.h resulting in build failure in the common code. This patch adds those defines for da830, but makes no sense without also referring to the commit mentioned above. Signed-off-by: Nick Thompson Reviewed-by: Ben Gardiner Signed-off-by: Sandeep Paulraj --- include/configs/da830evm.h | 10 ++++++++-- 1 file changed, 8 insertions(+), 2 deletions(-) diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index 1feada9..3a2631b 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -47,8 +47,7 @@ * Memory Info */ #define CONFIG_SYS_MALLOC_LEN (0x10000 + 1*1024*1024) /* malloc() len */ -#define PHYS_SDRAM_1 DAVINCI_DDR_EMIF_DATA_BASE /* DDR Start */ -#define PHYS_SDRAM_1_SIZE (64 << 20) /* SDRAM size 64MB */ +#define PHYS_SDRAM_1 0xc0000000 /* SDRAM Start */ #define CONFIG_SYS_MEMTEST_START PHYS_SDRAM_1 /* memtest start addr */ #define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1 + 16*1024*1024) /* 16MB test */ #define CONFIG_NR_DRAM_BANKS 1 /* we have 1 bank of DRAM */ @@ -280,4 +279,11 @@ "mtdparts=davinci_nand.1:" PART_BOOT PART_PARAMS PART_KERNEL PART_REST #endif +#define CONFIG_MAX_RAM_BANK_SIZE (512 << 20) /* max size from SPRS586*/ + +/* additions for new relocation code, must be added to all boards */ +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_SYS_INIT_SP_ADDR \ + (CONFIG_SYS_SDRAM_BASE + 0x1000 - GENERATED_GBL_DATA_SIZE) + #endif /* __CONFIG_H */ -- cgit v1.1 From eb9a28f699667919bf140bdabdf37c25be725c79 Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Fri, 19 Nov 2010 11:18:12 -0500 Subject: mmc: omap: timeout counter fix Having a loop with a counter is no timing guarentee for timing accuracy or compiler optimizations. For e.g. the same loop counter which runs when the MPU is running at 600MHz will timeout in around half the time when running at 1GHz. or the example where GCC 4.5 compiles with different optimization compared to GCC 4.4. use timer to keep track of time elapse and we use an emperical number - 1sec for a worst case timeout. This should never happen, and is adequate imaginary condition for us to fail with timeout. Signed-off-by: Nishanth Menon Signed-off-by: Sandeep Paulraj --- drivers/mmc/omap_hsmmc.c | 107 ++++++++++++++++++++++++++++++++++++----------- 1 file changed, 82 insertions(+), 25 deletions(-) diff --git a/drivers/mmc/omap_hsmmc.c b/drivers/mmc/omap_hsmmc.c index c7f7620..6f2280a 100644 --- a/drivers/mmc/omap_hsmmc.c +++ b/drivers/mmc/omap_hsmmc.c @@ -31,6 +31,9 @@ #include #include +/* If we fail after 1 second wait, something is really bad */ +#define MAX_RETRY_MS 1000 + static int mmc_read_data(hsmmc_t *mmc_base, char *buf, unsigned int size); static int mmc_write_data(hsmmc_t *mmc_base, const char *buf, unsigned int siz); static struct mmc hsmmc_dev[2]; @@ -70,18 +73,29 @@ unsigned char mmc_board_init(hsmmc_t *mmc_base) void mmc_init_stream(hsmmc_t *mmc_base) { + ulong start; writel(readl(&mmc_base->con) | INIT_INITSTREAM, &mmc_base->con); writel(MMC_CMD0, &mmc_base->cmd); - while (!(readl(&mmc_base->stat) & CC_MASK)) - ; + start = get_timer(0); + while (!(readl(&mmc_base->stat) & CC_MASK)) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for cc!\n", __func__); + return; + } + } writel(CC_MASK, &mmc_base->stat) ; writel(MMC_CMD0, &mmc_base->cmd) ; - while (!(readl(&mmc_base->stat) & CC_MASK)) - ; + start = get_timer(0); + while (!(readl(&mmc_base->stat) & CC_MASK)) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for cc2!\n", __func__); + return; + } + } writel(readl(&mmc_base->con) & ~INIT_INITSTREAM, &mmc_base->con); } @@ -91,16 +105,28 @@ static int mmc_init_setup(struct mmc *mmc) hsmmc_t *mmc_base = (hsmmc_t *)mmc->priv; unsigned int reg_val; unsigned int dsor; + ulong start; mmc_board_init(mmc_base); writel(readl(&mmc_base->sysconfig) | MMC_SOFTRESET, &mmc_base->sysconfig); - while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0) - ; + start = get_timer(0); + while ((readl(&mmc_base->sysstatus) & RESETDONE) == 0) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for cc2!\n", __func__); + return TIMEOUT; + } + } writel(readl(&mmc_base->sysctl) | SOFTRESETALL, &mmc_base->sysctl); - while ((readl(&mmc_base->sysctl) & SOFTRESETALL) != 0x0) - ; + start = get_timer(0); + while ((readl(&mmc_base->sysctl) & SOFTRESETALL) != 0x0) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for softresetall!\n", + __func__); + return TIMEOUT; + } + } writel(DTW_1_BITMODE | SDBP_PWROFF | SDVS_3V0, &mmc_base->hctl); writel(readl(&mmc_base->capa) | VS30_3V0SUP | VS18_1V8SUP, &mmc_base->capa); @@ -116,8 +142,13 @@ static int mmc_init_setup(struct mmc *mmc) (ICE_STOP | DTO_15THDTO | CEN_DISABLE)); mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK, (dsor << CLKD_OFFSET) | ICE_OSCILLATE); - while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) - ; + start = get_timer(0); + while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for ics!\n", __func__); + return TIMEOUT; + } + } writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl); writel(readl(&mmc_base->hctl) | SDBP_PWRON, &mmc_base->hctl); @@ -137,14 +168,23 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, { hsmmc_t *mmc_base = (hsmmc_t *)mmc->priv; unsigned int flags, mmc_stat; - unsigned int retry = 0x100000; + ulong start; - - while ((readl(&mmc_base->pstate) & DATI_MASK) == DATI_CMDDIS) - ; + start = get_timer(0); + while ((readl(&mmc_base->pstate) & DATI_MASK) == DATI_CMDDIS) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for cmddis!\n", __func__); + return TIMEOUT; + } + } writel(0xFFFFFFFF, &mmc_base->stat); - while (readl(&mmc_base->stat)) - ; + start = get_timer(0); + while (readl(&mmc_base->stat)) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for stat!\n", __func__); + return TIMEOUT; + } + } /* * CMDREG * CMDIDX[13:8] : Command index @@ -200,15 +240,14 @@ static int mmc_send_cmd(struct mmc *mmc, struct mmc_cmd *cmd, writel(cmd->cmdarg, &mmc_base->arg); writel((cmd->cmdidx << 24) | flags, &mmc_base->cmd); + start = get_timer(0); do { mmc_stat = readl(&mmc_base->stat); - retry--; - } while ((mmc_stat == 0) && (retry > 0)); - - if (retry == 0) { - printf("%s : timeout: No status update\n", __func__); - return TIMEOUT; - } + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s : timeout: No status update\n", __func__); + return TIMEOUT; + } + } while (!mmc_stat); if ((mmc_stat & IE_CTO) != 0) return TIMEOUT; @@ -253,8 +292,14 @@ static int mmc_read_data(hsmmc_t *mmc_base, char *buf, unsigned int size) count /= 4; while (size) { + ulong start = get_timer(0); do { mmc_stat = readl(&mmc_base->stat); + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for status!\n", + __func__); + return TIMEOUT; + } } while (mmc_stat == 0); if ((mmc_stat & ERRI_MASK) != 0) @@ -298,8 +343,14 @@ static int mmc_write_data(hsmmc_t *mmc_base, const char *buf, unsigned int size) count /= 4; while (size) { + ulong start = get_timer(0); do { mmc_stat = readl(&mmc_base->stat); + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for status!\n", + __func__); + return TIMEOUT; + } } while (mmc_stat == 0); if ((mmc_stat & ERRI_MASK) != 0) @@ -334,6 +385,7 @@ static void mmc_set_ios(struct mmc *mmc) { hsmmc_t *mmc_base = (hsmmc_t *)mmc->priv; unsigned int dsor = 0; + ulong start; /* configue bus width */ switch (mmc->bus_width) { @@ -372,8 +424,13 @@ static void mmc_set_ios(struct mmc *mmc) mmc_reg_out(&mmc_base->sysctl, ICE_MASK | CLKD_MASK, (dsor << CLKD_OFFSET) | ICE_OSCILLATE); - while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) - ; + start = get_timer(0); + while ((readl(&mmc_base->sysctl) & ICS_MASK) == ICS_NOTREADY) { + if (get_timer(0) - start > MAX_RETRY_MS) { + printf("%s: timedout waiting for ics!\n", __func__); + return; + } + } writel(readl(&mmc_base->sysctl) | CEN_ENABLE, &mmc_base->sysctl); } -- cgit v1.1 From 93e3568bd569ce4c079a84e20ea08da99ce83470 Mon Sep 17 00:00:00 2001 From: Nishanth Menon Date: Fri, 19 Nov 2010 11:19:40 -0500 Subject: omap4: board: change global data pointer to file scope DECLARE_GLOBAL_DATA_PTR is currently defined within the scope of function while it is a global pointer. Change the scope of definition to replicate it's global scope. This seems to help gcc 4.5 optimizations as well. Signed-off-by: Nishanth Menon Signed-off-by: Sandeep Paulraj --- arch/arm/cpu/armv7/omap4/board.c | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/arch/arm/cpu/armv7/omap4/board.c b/arch/arm/cpu/armv7/omap4/board.c index e7651d2..fcd29a7 100644 --- a/arch/arm/cpu/armv7/omap4/board.c +++ b/arch/arm/cpu/armv7/omap4/board.c @@ -32,6 +32,8 @@ #include #include +DECLARE_GLOBAL_DATA_PTR; + /* * Routine: s_init * Description: Does early system init of muxing and clocks. @@ -100,7 +102,6 @@ u32 sdram_size(void) */ int dram_init(void) { - DECLARE_GLOBAL_DATA_PTR; gd->ram_size = sdram_size(); -- cgit v1.1 From 23df4f691acb10a5b8a656059d7149a9aea23bc8 Mon Sep 17 00:00:00 2001 From: Grazvydas Ignotas Date: Fri, 19 Nov 2010 11:25:31 -0500 Subject: OMAP3: pandora: fix relocation and init memory map Fix the build breakage introduced by the recent relocation and memory layout changes for ARM. Signed-off-by: Grazvydas Ignotas Signed-off-by: Sandeep Paulraj --- board/pandora/config.mk | 33 --------------------------------- include/configs/omap3_pandora.h | 8 ++++++++ 2 files changed, 8 insertions(+), 33 deletions(-) delete mode 100644 board/pandora/config.mk diff --git a/board/pandora/config.mk b/board/pandora/config.mk deleted file mode 100644 index 0fab80c..0000000 --- a/board/pandora/config.mk +++ /dev/null @@ -1,33 +0,0 @@ -# -# (C) Copyright 2006 -# Texas Instruments, -# -# Pandora uses OMAP3 (ARM-CortexA8) cpu -# see http://www.ti.com/ for more information on Texas Instruments -# -# 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 -# -# Physical Address: -# 8000'0000 (bank0) -# A000/0000 (bank1) -# Linux-Kernel is expected to be at 8000'8000, entry 8000'8000 -# (mem base + reserved) - -# For use with external or internal boots. -CONFIG_SYS_TEXT_BASE = 0x80e80000 diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h index b78aacf..b8cd2cd 100644 --- a/include/configs/omap3_pandora.h +++ b/include/configs/omap3_pandora.h @@ -243,6 +243,14 @@ /* SDRAM Bank Allocation method */ #define SDRC_R_B_C 1 +#define CONFIG_SYS_TEXT_BASE 0x80008000 +#define CONFIG_SYS_SDRAM_BASE PHYS_SDRAM_1 +#define CONFIG_SYS_INIT_RAM_ADDR 0x4020f800 +#define CONFIG_SYS_INIT_RAM_SIZE 0x800 +#define CONFIG_SYS_INIT_SP_ADDR (CONFIG_SYS_INIT_RAM_ADDR + \ + CONFIG_SYS_INIT_RAM_SIZE - \ + GENERATED_GBL_DATA_SIZE) + /*----------------------------------------------------------------------- * FLASH and environment organization */ -- cgit v1.1 From 8b6724aa5a2b53f59be513aa88a0300a4845aabb Mon Sep 17 00:00:00 2001 From: Grazvydas Ignotas Date: Thu, 29 Apr 2010 17:19:13 +0300 Subject: OMAP3: remove unused config macros Most OMAP3 boards have various flash related macros in their configs that are either not referenced anywhere in the code or are used by drivers that are not enabled. Remove them. Signed-off-by: Grazvydas Ignotas Acked-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- include/configs/omap3_beagle.h | 18 ------------------ include/configs/omap3_evm.h | 18 ------------------ include/configs/omap3_overo.h | 18 ------------------ include/configs/omap3_pandora.h | 20 -------------------- include/configs/omap3_sdp3430.h | 7 ------- include/configs/omap3_zoom1.h | 18 ------------------ include/configs/omap3_zoom2.h | 10 ---------- 7 files changed, 109 deletions(-) diff --git a/include/configs/omap3_beagle.h b/include/configs/omap3_beagle.h index 076dd5a..56363f7 100644 --- a/include/configs/omap3_beagle.h +++ b/include/configs/omap3_beagle.h @@ -304,9 +304,6 @@ #define PISMO1_NAND_SIZE GPMC_SIZE_128M #define PISMO1_ONEN_SIZE GPMC_SIZE_128M -#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ - /* one chip */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #define CONFIG_SYS_FLASH_BASE boot_flash_base @@ -323,21 +320,6 @@ #define CONFIG_ENV_OFFSET boot_flash_off #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - -/* Flash banks JFFS2 should use */ -#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ - CONFIG_SYS_MAX_NAND_DEVICE) -#define CONFIG_SYS_JFFS2_MEM_NAND -/* use flash_info[2] */ -#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS -#define CONFIG_SYS_JFFS2_NUM_BANKS 1 - #ifndef __ASSEMBLY__ extern unsigned int boot_flash_base; extern volatile unsigned int boot_flash_env_addr; diff --git a/include/configs/omap3_evm.h b/include/configs/omap3_evm.h index aeb45c6..84b2986 100644 --- a/include/configs/omap3_evm.h +++ b/include/configs/omap3_evm.h @@ -296,9 +296,6 @@ #define PISMO1_NAND_SIZE GPMC_SIZE_128M #define PISMO1_ONEN_SIZE GPMC_SIZE_128M -#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors */ - /* on one chip */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #define CONFIG_SYS_FLASH_BASE boot_flash_base @@ -321,21 +318,6 @@ #define CONFIG_ENV_OFFSET boot_flash_off #define CONFIG_ENV_ADDR boot_flash_env_addr -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - -/* Flash banks JFFS2 should use */ -#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ - CONFIG_SYS_MAX_NAND_DEVICE) -#define CONFIG_SYS_JFFS2_MEM_NAND -/* use flash_info[2] */ -#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS -#define CONFIG_SYS_JFFS2_NUM_BANKS 1 - #ifndef __ASSEMBLY__ extern unsigned int boot_flash_base; extern volatile unsigned int boot_flash_env_addr; diff --git a/include/configs/omap3_overo.h b/include/configs/omap3_overo.h index 79a5b85..1b3d439 100644 --- a/include/configs/omap3_overo.h +++ b/include/configs/omap3_overo.h @@ -269,9 +269,6 @@ #define PISMO1_NAND_SIZE GPMC_SIZE_128M #define PISMO1_ONEN_SIZE GPMC_SIZE_128M -#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ - /* one chip */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #define CONFIG_SYS_FLASH_BASE boot_flash_base @@ -288,21 +285,6 @@ #define CONFIG_ENV_OFFSET boot_flash_off #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - -/* Flash banks JFFS2 should use */ -#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ - CONFIG_SYS_MAX_NAND_DEVICE) -#define CONFIG_SYS_JFFS2_MEM_NAND -/* use flash_info[2] */ -#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS -#define CONFIG_SYS_JFFS2_NUM_BANKS 1 - #ifndef __ASSEMBLY__ extern unsigned int boot_flash_base; extern volatile unsigned int boot_flash_env_addr; diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h index b8cd2cd..f386bc4 100644 --- a/include/configs/omap3_pandora.h +++ b/include/configs/omap3_pandora.h @@ -261,40 +261,20 @@ #define PISMO1_NAND_SIZE GPMC_SIZE_128M #define PISMO1_ONEN_SIZE GPMC_SIZE_128M -#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ - /* one chip */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #define CONFIG_SYS_FLASH_BASE boot_flash_base /* Monitor at start of flash */ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE -#define CONFIG_SYS_ONENAND_BASE ONENAND_MAP #define CONFIG_ENV_IS_IN_NAND 1 -#define ONENAND_ENV_OFFSET 0x240000 /* environment starts here */ #define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec #define CONFIG_ENV_OFFSET boot_flash_off #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - -/* Flash banks JFFS2 should use */ -#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ - CONFIG_SYS_MAX_NAND_DEVICE) -#define CONFIG_SYS_JFFS2_MEM_NAND -/* use flash_info[2] */ -#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS -#define CONFIG_SYS_JFFS2_NUM_BANKS 1 - #ifndef __ASSEMBLY__ extern unsigned int boot_flash_base; extern volatile unsigned int boot_flash_env_addr; diff --git a/include/configs/omap3_sdp3430.h b/include/configs/omap3_sdp3430.h index fab263d..a5eb648 100644 --- a/include/configs/omap3_sdp3430.h +++ b/include/configs/omap3_sdp3430.h @@ -159,10 +159,6 @@ #define PHYS_FLASH_SIZE (128 << 20) #define CONFIG_SYS_MAX_FLASH_SECT 512 /* max sectors on one chip */ -/* timeout values are in milliseconds */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - /* OMITTED: single 2 Gbit KFM2G16 OneNAND flash */ #define CONFIG_ENV_IS_IN_FLASH 1 @@ -338,9 +334,6 @@ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_SYS_MONITOR_LEN (256 << 10) -#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS -#define CONFIG_SYS_JFFS2_NUM_BANKS 1 - /* * NAND FLASH usage ... default nCS1: * - four 128KB sectors for X-Loader diff --git a/include/configs/omap3_zoom1.h b/include/configs/omap3_zoom1.h index 10b248a..d9e8ea0 100644 --- a/include/configs/omap3_zoom1.h +++ b/include/configs/omap3_zoom1.h @@ -277,9 +277,6 @@ #define PISMO1_NAND_SIZE GPMC_SIZE_128M #define PISMO1_ONEN_SIZE GPMC_SIZE_128M -#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ - /* one chip */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #define CONFIG_SYS_FLASH_BASE boot_flash_base @@ -296,21 +293,6 @@ #define CONFIG_ENV_OFFSET boot_flash_off #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - -/* Flash banks JFFS2 should use */ -#define CONFIG_SYS_MAX_MTD_BANKS (CONFIG_SYS_MAX_FLASH_BANKS + \ - CONFIG_SYS_MAX_NAND_DEVICE) -#define CONFIG_SYS_JFFS2_MEM_NAND -/* use flash_info[2] */ -#define CONFIG_SYS_JFFS2_FIRST_BANK CONFIG_SYS_MAX_FLASH_BANKS -#define CONFIG_SYS_JFFS2_NUM_BANKS 1 - #ifndef __ASSEMBLY__ extern unsigned int boot_flash_base; extern volatile unsigned int boot_flash_env_addr; diff --git a/include/configs/omap3_zoom2.h b/include/configs/omap3_zoom2.h index b7c301f..41abe04 100644 --- a/include/configs/omap3_zoom2.h +++ b/include/configs/omap3_zoom2.h @@ -246,9 +246,6 @@ #define PISMO1_NAND_SIZE GPMC_SIZE_128M #define PISMO1_ONEN_SIZE GPMC_SIZE_128M -#define CONFIG_SYS_MAX_FLASH_SECT 520 /* max number of sectors on */ - /* one chip */ -#define CONFIG_SYS_MAX_FLASH_BANKS 2 /* max number of flash banks */ #define CONFIG_SYS_MONITOR_LEN (256 << 10) /* Reserve 2 sectors */ #define CONFIG_SYS_FLASH_BASE boot_flash_base @@ -263,13 +260,6 @@ #define CONFIG_ENV_OFFSET boot_flash_off #define CONFIG_ENV_ADDR SMNAND_ENV_OFFSET -/*----------------------------------------------------------------------- - * CFI FLASH driver setup - */ -/* timeout values are in ticks */ -#define CONFIG_SYS_FLASH_ERASE_TOUT (100 * CONFIG_SYS_HZ) -#define CONFIG_SYS_FLASH_WRITE_TOUT (100 * CONFIG_SYS_HZ) - #ifndef __ASSEMBLY__ extern unsigned int boot_flash_base; extern volatile unsigned int boot_flash_env_addr; -- cgit v1.1 From 73225245a213af63d983464e362e4a216d9aa7db Mon Sep 17 00:00:00 2001 From: Grazvydas Ignotas <[notasas@gmail.com]> Date: Fri, 19 Nov 2010 11:25:36 -0500 Subject: OMAP3: pandora: update config for production Update pandora's config so that it can boot production kernels from NAND. This enables UBI, USB, sets up NAND layout and default boot command. It also expands malloc area so that UBI works. Signed-off-by: Grazvydas Ignotas Signed-off-by: Sandeep Paulraj --- include/configs/omap3_pandora.h | 89 ++++++++++++++++++++--------------------- 1 file changed, 44 insertions(+), 45 deletions(-) diff --git a/include/configs/omap3_pandora.h b/include/configs/omap3_pandora.h index f386bc4..72b0cc2 100644 --- a/include/configs/omap3_pandora.h +++ b/include/configs/omap3_pandora.h @@ -1,6 +1,6 @@ /* - * (C) Copyright 2008 - * Grazvydas Ignotas + * (C) Copyright 2008-2010 + * GraÅžvydas Ignotas * * Configuration settings for the OMAP3 Pandora. * @@ -59,14 +59,24 @@ * Size of malloc() pool */ #define CONFIG_ENV_SIZE (128 << 10) /* 128 KiB */ - /* Sector */ -#define CONFIG_SYS_MALLOC_LEN (CONFIG_ENV_SIZE + (128 << 10)) - /* initial data */ +#define CONFIG_SYS_MALLOC_LEN (1024 * 1024 + CONFIG_ENV_SIZE) /* * Hardware drivers */ +#define CONFIG_SYS_CONSOLE_IS_IN_ENV 1 +#define CONFIG_SYS_DEVICE_NULLDEV 1 + +/* USB */ +#define CONFIG_MUSB_UDC 1 +#define CONFIG_USB_OMAP3 1 +#define CONFIG_TWL4030_USB 1 + +/* USB device configuration */ +#define CONFIG_USB_DEVICE 1 +#define CONFIG_USB_TTY 1 + /* * NS16550 Configuration */ @@ -101,11 +111,11 @@ #define CONFIG_CMD_EXT2 /* EXT2 Support */ #define CONFIG_CMD_FAT /* FAT support */ -#define CONFIG_CMD_JFFS2 /* JFFS2 Support */ #define CONFIG_CMD_I2C /* I2C serial bus support */ #define CONFIG_CMD_MMC /* MMC support */ #define CONFIG_CMD_NAND /* NAND support */ +#define CONFIG_CMD_CACHE /* Cache control */ #undef CONFIG_CMD_FLASH /* flinfo, erase, protect */ #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ @@ -141,52 +151,41 @@ #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND */ /* devices */ -#define CONFIG_JFFS2_NAND -/* nand device jffs2 lives on */ -#define CONFIG_JFFS2_DEV "nand0" -/* start of jffs2 partition */ -#define CONFIG_JFFS2_PART_OFFSET 0x680000 -#define CONFIG_JFFS2_PART_SIZE 0xf980000 /* size of jffs2 */ - /* partition */ + +#ifdef CONFIG_CMD_NAND +#define CONFIG_CMD_MTDPARTS +#define CONFIG_MTD_PARTITIONS +#define CONFIG_MTD_DEVICE +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#define CONFIG_RBTREE +#define CONFIG_LZO + +#define MTDIDS_DEFAULT "nand0=nand" +#define MTDPARTS_DEFAULT "mtdparts=nand:512k(xloader),"\ + "1920k(uboot),128k(uboot-env),"\ + "10m(boot),-(rootfs)" +#else +#define MTDPARTS_DEFAULT +#endif /* Environment information */ #define CONFIG_BOOTDELAY 1 #define CONFIG_EXTRA_ENV_SETTINGS \ + "usbtty=cdc_acm\0" \ "loadaddr=0x82000000\0" \ - "console=ttyS0,115200n8\0" \ - "videospec=omapfb:vram:2M,vram:4M\0" \ - "mmcargs=setenv bootargs console=${console} " \ - "video=${videospec} " \ - "root=/dev/mmcblk0p2 rw " \ - "rootfstype=ext3 rootwait\0" \ - "nandargs=setenv bootargs console=${console} " \ - "video=${videospec} " \ - "root=/dev/mtdblock4 rw " \ - "rootfstype=jffs2\0" \ - "loadbootscript=fatload mmc 0 ${loadaddr} boot.scr\0" \ - "bootscript=echo Running bootscript from mmc ...; " \ - "source ${loadaddr}\0" \ - "loaduimage=fatload mmc 0 ${loadaddr} uImage\0" \ - "mmcboot=echo Booting from mmc ...; " \ - "run mmcargs; " \ - "bootm ${loadaddr}\0" \ - "nandboot=echo Booting from nand ...; " \ - "run nandargs; " \ - "nand read ${loadaddr} 280000 400000; " \ - "bootm ${loadaddr}\0" \ + "bootargs=ubi.mtd=4 ubi.mtd=3 root=ubi0:rootfs rootfstype=ubifs " \ + "rw rootflags=bulk_read console=ttyS0,115200n8 " \ + "vram=6272K omapfb.vram=0:3000K\0" \ + "mtdparts=" MTDPARTS_DEFAULT "\0" \ #define CONFIG_BOOTCOMMAND \ - "if mmc init; then " \ - "if run loadbootscript; then " \ - "run bootscript; " \ - "else " \ - "if run loaduimage; then " \ - "run mmcboot; " \ - "else run nandboot; " \ - "fi; " \ - "fi; " \ - "else run nandboot; fi" + "if mmc init && fatload mmc1 0 ${loadaddr} autoboot.scr || " \ + "ext2load mmc1 0 ${loadaddr} autoboot.scr; then " \ + "source ${loadaddr}; " \ + "fi; " \ + "ubi part boot && ubifsmount boot && ubifsload ${loadaddr} uImage && bootm ${loadaddr}" #define CONFIG_AUTO_COMPLETE 1 /* @@ -269,7 +268,7 @@ #define CONFIG_SYS_MONITOR_BASE CONFIG_SYS_FLASH_BASE #define CONFIG_ENV_IS_IN_NAND 1 -#define SMNAND_ENV_OFFSET 0x240000 /* environment starts here */ +#define SMNAND_ENV_OFFSET 0x260000 /* environment starts here */ #define CONFIG_SYS_ENV_SECT_SIZE boot_flash_sec #define CONFIG_ENV_OFFSET boot_flash_off -- cgit v1.1 From 8721e95b16024f0a92ccc1cd85aecf6672fe9499 Mon Sep 17 00:00:00 2001 From: Steve Sakoman Date: Fri, 19 Nov 2010 11:29:16 -0500 Subject: OMAP4: Panda: Disable CMD_NFS This patch fixes the Panda build after commit 6d8962e814c15807dd6ac5757904be2a02d187b8 by explicitly disabling CMD_NFS >From the commit message for "Switch from archive libraries to partial linking": This commit reveals board configurations that exclude some features but include source files that depend these disabled features in the build, resulting in undefined symbols. Known such cases include: - disabling CMD_NET but not CMD_NFS; - enabling CONFIG_OF_LIBFDT but not CONFIG_QE. Signed-off-by: Steve Sakoman Signed-off-by: Sandeep Paulraj --- include/configs/omap4_panda.h | 1 + 1 file changed, 1 insertion(+) diff --git a/include/configs/omap4_panda.h b/include/configs/omap4_panda.h index eeab11c..2b03b0f 100644 --- a/include/configs/omap4_panda.h +++ b/include/configs/omap4_panda.h @@ -134,6 +134,7 @@ /* Disabled commands */ #undef CONFIG_CMD_NET +#undef CONFIG_CMD_NFS #undef CONFIG_CMD_FPGA /* FPGA configuration Support */ #undef CONFIG_CMD_IMLS /* List all found images */ -- cgit v1.1 From 718f746427b6eb4b9e38a9562e689a268cd65b35 Mon Sep 17 00:00:00 2001 From: Sekhar Nori Date: Fri, 19 Nov 2010 11:39:46 -0500 Subject: DA850 EVM: add information regarding DA850 in README.davinci The README.davinci in documentation folder is missing information regarding DA850 which is a supported DaVinci device. Add this information. Signed-off-by: Sekhar Nori Signed-off-by: Sandeep Paulraj --- doc/README.davinci | 11 +++++++++++ 1 file changed, 11 insertions(+) diff --git a/doc/README.davinci b/doc/README.davinci index 506f0d4..a2e96a5 100644 --- a/doc/README.davinci +++ b/doc/README.davinci @@ -21,6 +21,8 @@ Currently the following boards are supported: * TI DA830 EVM +* TI DA850 EVM + * DM355 based Leopard board * DM644x based schmoogie board @@ -57,6 +59,11 @@ make make da830evm_config make +* TI DA850 EVM: + +make da850evm_config +make + * DM355 based Leopard board: make davinci_dm355leopard_config @@ -114,3 +121,7 @@ http://www.spectrumdigital.com/product_info.php?cPath=103&products_id=222 6) TI DA830 EVM http://focus.ti.com/apps/docs/gencontent.tsp?appId=1&contentId=52385 http://www.spectrumdigital.com/product_info.php?cPath=37&products_id=214 + +7) TI DA850 EVM +http://focus.ti.com/docs/prod/folders/print/omap-l138.html +http://www.logicpd.com/products/development-kits/zoom-omap-l138-evm-development-kit -- cgit v1.1 From 4f6fc15b42776b12244af8aa28da42c8e6497742 Mon Sep 17 00:00:00 2001 From: Sekhar Nori Date: Fri, 19 Nov 2010 11:39:48 -0500 Subject: DA850 EVM: passing maximum clock rate information to kernel The TI DA850/OMAP-L138/AM18x EVM can be populated with devices having different maximum allowed CPU clock rating. The maximum clock the chip can support can only be determined from the label on the package (not software readable). Introduce a method to pass the maximum allowed clock rate information to kernel using ATAG_REVISION. The kernel uses this information to determine the maximum cpu clock rate reachable using cpufreq. Note that U-Boot itself does not set the CPU clock rate. The CPU clock is setup by a primary bootloader ("UBL"). The rate setup by UBL could be different from the maximum clock rate supported by the device. Signed-off-by: Sekhar Nori Signed-off-by: Sandeep Paulraj --- board/davinci/da8xxevm/da850evm.c | 33 +++++++++++++++++++++++++++++++++ doc/README.davinci | 14 ++++++++++++++ include/configs/da850evm.h | 1 + 3 files changed, 48 insertions(+) diff --git a/board/davinci/da8xxevm/da850evm.c b/board/davinci/da8xxevm/da850evm.c index c8c5e1b..c3267cb 100644 --- a/board/davinci/da8xxevm/da850evm.c +++ b/board/davinci/da8xxevm/da850evm.c @@ -118,6 +118,39 @@ static const struct lpsc_resource lpsc[] = { { DAVINCI_LPSC_GPIO }, }; +#ifndef CONFIG_DA850_EVM_MAX_CPU_CLK +#define CONFIG_DA850_EVM_MAX_CPU_CLK 300000000 +#endif + +/* + * get_board_rev() - setup to pass kernel board revision information + * Returns: + * bit[0-3] Maximum cpu clock rate supported by onboard SoC + * 0000b - 300 MHz + * 0001b - 372 MHz + * 0010b - 408 MHz + * 0011b - 456 MHz + */ +u32 get_board_rev(void) +{ + char *s; + u32 maxcpuclk = CONFIG_DA850_EVM_MAX_CPU_CLK; + u32 rev = 0; + + s = getenv("maxcpuclk"); + if (s) + maxcpuclk = simple_strtoul(s, NULL, 10); + + if (maxcpuclk >= 456000000) + rev = 3; + else if (maxcpuclk >= 408000000) + rev = 2; + else if (maxcpuclk >= 372000000) + rev = 1; + + return rev; +} + int board_init(void) { #ifndef CONFIG_USE_IRQ diff --git a/doc/README.davinci b/doc/README.davinci index a2e96a5..0204372 100644 --- a/doc/README.davinci +++ b/doc/README.davinci @@ -95,6 +95,20 @@ into the RAM. The programmers and UBL are always released as part of any standard TI software release associated with an SOC. +Environment Variables +===================== + +The DA850 EVM allows the user to specify the maximum cpu clock allowed by the +silicon, in Hz, via an environment variable "maxcpuclk". + +The maximum clock rate allowed depends on the silicon populated on the EVM. +Please make sure you understand the restrictions placed on this clock in the +device specific datasheet before setting up this variable. This information is +passed to the Linux kernel using the ATAG_REVISION atag. + +If "maxcpuclk" is not defined, the configuration CONFIG_DA850_EVM_MAX_CPU_CLK +is used to obtain this information. + Links ===== diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h index 7b04be0..61c3205 100644 --- a/include/configs/da850evm.h +++ b/include/configs/da850evm.h @@ -140,6 +140,7 @@ */ #define LINUX_BOOT_PARAM_ADDR (PHYS_SDRAM_1 + 0x100) #define CONFIG_CMDLINE_TAG +#define CONFIG_REVISION_TAG #define CONFIG_SETUP_MEMORY_TAGS #define CONFIG_BOOTARGS \ "mem=32M console=ttyS2,115200n8 root=/dev/mtdblock2 rw noinitrd ip=dhcp" -- cgit v1.1 From e81bb57f2d98a65aa1a3c61d54cf40294f9039c8 Mon Sep 17 00:00:00 2001 From: Wolfgang Denk Date: Fri, 19 Nov 2010 15:24:45 -0500 Subject: DaVinci: remove bogus DEF_BOOTM definition Some boar config files defined DEF_BOOTM but this was not used anywhere in the code. Remove this bogus define. Signed-off-by: Wolfgang Denk Cc: Sandeep Paulraj Signed-off-by: Sandeep Paulraj --- include/configs/da830evm.h | 1 - include/configs/da850evm.h | 1 - include/configs/davinci_dvevm.h | 1 - include/configs/davinci_sonata.h | 1 - include/configs/tnetv107x_evm.h | 1 - 5 files changed, 5 deletions(-) diff --git a/include/configs/da830evm.h b/include/configs/da830evm.h index 3a2631b..bcf8ee0 100644 --- a/include/configs/da830evm.h +++ b/include/configs/da830evm.h @@ -114,7 +114,6 @@ #define CONFIG_SYS_ALE_MASK 0x8 #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define NAND_MAX_CHIPS 1 -#define DEF_BOOTM "" #endif #ifdef CONFIG_USE_NOR diff --git a/include/configs/da850evm.h b/include/configs/da850evm.h index 61c3205..4224258 100644 --- a/include/configs/da850evm.h +++ b/include/configs/da850evm.h @@ -99,7 +99,6 @@ #undef CONFIG_SYS_NAND_HW_ECC #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define NAND_MAX_CHIPS 1 -#define DEF_BOOTM "" #endif /* diff --git a/include/configs/davinci_dvevm.h b/include/configs/davinci_dvevm.h index 186726d..e1b1db1 100644 --- a/include/configs/davinci_dvevm.h +++ b/include/configs/davinci_dvevm.h @@ -138,7 +138,6 @@ #define CONFIG_SYS_NAND_HW_ECC #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define CONFIG_ENV_OFFSET 0x0 /* Block 0--not used by bootcode */ -#define DEF_BOOTM "" #elif defined(CONFIG_SYS_USE_NOR) #ifdef CONFIG_NOR_UART_BOOT #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */ diff --git a/include/configs/davinci_sonata.h b/include/configs/davinci_sonata.h index 0dc89ef..f0eeb90 100644 --- a/include/configs/davinci_sonata.h +++ b/include/configs/davinci_sonata.h @@ -126,7 +126,6 @@ #define CONFIG_SYS_NAND_HW_ECC #define CONFIG_SYS_MAX_NAND_DEVICE 1 /* Max number of NAND devices */ #define CONFIG_ENV_OFFSET 0x0 /* Block 0--not used by bootcode */ -#define DEF_BOOTM "" #elif defined(CONFIG_SYS_USE_NOR) #ifdef CONFIG_NOR_UART_BOOT #define CONFIG_SKIP_LOWLEVEL_INIT /* U-Boot is loaded by a bootloader */ diff --git a/include/configs/tnetv107x_evm.h b/include/configs/tnetv107x_evm.h index 68290ef..3627ce7 100644 --- a/include/configs/tnetv107x_evm.h +++ b/include/configs/tnetv107x_evm.h @@ -86,7 +86,6 @@ #define CONFIG_JFFS2_NAND #define NAND_MAX_CHIPS 1 #define CONFIG_ENV_OFFSET 0x180000 -#define DEF_BOOTM "" /* * davinci_nand is a bit of a misnomer since this particular EMIF block is -- cgit v1.1 From 38041db7401e4410134338a75de20ee49e4896ad Mon Sep 17 00:00:00 2001 From: Eric Cooper <[ecc@cmu.edu]> Date: Wed, 24 Nov 2010 17:11:32 +0530 Subject: Seagate FreeAgent DockStar support start with sheevaplug configuration add modifications by Alexander Holler change RAM definitions to one bank (128 MB) change ident string and prompt define MTD partitions and default environment variables add support for LEDs Signed-off-by: Eric Cooper --- MAINTAINERS | 4 + board/Seagate/dockstar/Makefile | 54 +++++++++++ board/Seagate/dockstar/dockstar.c | 181 ++++++++++++++++++++++++++++++++++++ board/Seagate/dockstar/dockstar.h | 44 +++++++++ board/Seagate/dockstar/kwbimage.cfg | 165 ++++++++++++++++++++++++++++++++ boards.cfg | 1 + include/configs/dockstar.h | 125 +++++++++++++++++++++++++ 7 files changed, 574 insertions(+) create mode 100644 board/Seagate/dockstar/Makefile create mode 100644 board/Seagate/dockstar/dockstar.c create mode 100644 board/Seagate/dockstar/dockstar.h create mode 100644 board/Seagate/dockstar/kwbimage.cfg create mode 100644 include/configs/dockstar.h diff --git a/MAINTAINERS b/MAINTAINERS index 9258cb1..9bf52fa 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -591,6 +591,10 @@ Po-Yu Chuang a320evb FA526 (ARM920T-like) (a320 SoC) +Eric Cooper + + dockstar ARM926EJS (Kirkwood SoC) + George G. Davis assabet SA1100 diff --git a/board/Seagate/dockstar/Makefile b/board/Seagate/dockstar/Makefile new file mode 100644 index 0000000..bfcc6d9 --- /dev/null +++ b/board/Seagate/dockstar/Makefile @@ -0,0 +1,54 @@ +# +# Copyright (C) 2010 Eric C. Cooper +# +# Based on sheevaplug/Makefile originally written by +# Prafulla Wadaskar +# (C) Copyright 2009 +# Marvell 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., 51 Franklin Street, Fifth Floor, Boston, +# MA 02110-1301 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := dockstar.o + +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) $(SOBJS)) + +clean: + rm -f $(SOBJS) $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak .depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/Seagate/dockstar/dockstar.c b/board/Seagate/dockstar/dockstar.c new file mode 100644 index 0000000..cab3a83 --- /dev/null +++ b/board/Seagate/dockstar/dockstar.c @@ -0,0 +1,181 @@ +/* + * Copyright (C) 2010 Eric C. Cooper + * + * Based on sheevaplug.c originally written by + * Prafulla Wadaskar + * (C) Copyright 2009 + * Marvell 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include +#include +#include +#include +#include "dockstar.h" + +DECLARE_GLOBAL_DATA_PTR; + +int board_early_init_f(void) +{ + /* + * default gpio configuration + * There are maximum 64 gpios controlled through 2 sets of registers + * the below configuration configures mainly initial LED status + */ + kw_config_gpio(DOCKSTAR_OE_VAL_LOW, + DOCKSTAR_OE_VAL_HIGH, + DOCKSTAR_OE_LOW, DOCKSTAR_OE_HIGH); + + /* Multi-Purpose Pins Functionality configuration */ + u32 kwmpp_config[] = { + MPP0_NF_IO2, + MPP1_NF_IO3, + MPP2_NF_IO4, + MPP3_NF_IO5, + MPP4_NF_IO6, + MPP5_NF_IO7, + MPP6_SYSRST_OUTn, + MPP7_GPO, + MPP8_UART0_RTS, + MPP9_UART0_CTS, + MPP10_UART0_TXD, + MPP11_UART0_RXD, + MPP12_SD_CLK, + MPP13_SD_CMD, + MPP14_SD_D0, + MPP15_SD_D1, + MPP16_SD_D2, + MPP17_SD_D3, + MPP18_NF_IO0, + MPP19_NF_IO1, + MPP20_GPIO, + MPP21_GPIO, + MPP22_GPIO, + MPP23_GPIO, + MPP24_GPIO, + MPP25_GPIO, + MPP26_GPIO, + MPP27_GPIO, + MPP28_GPIO, + MPP29_TSMP9, + MPP30_GPIO, + MPP31_GPIO, + MPP32_GPIO, + MPP33_GPIO, + MPP34_GPIO, + MPP35_GPIO, + MPP36_GPIO, + MPP37_GPIO, + MPP38_GPIO, + MPP39_GPIO, + MPP40_GPIO, + MPP41_GPIO, + MPP42_GPIO, + MPP43_GPIO, + MPP44_GPIO, + MPP45_GPIO, + MPP46_GPIO, + MPP47_GPIO, + MPP48_GPIO, + MPP49_GPIO, + 0 + }; + kirkwood_mpp_conf(kwmpp_config); + return 0; +} + +int board_init(void) +{ + /* + * arch number of board + */ + gd->bd->bi_arch_number = MACH_TYPE_DOCKSTAR; + + /* address of boot parameters */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + return 0; +} + +#ifdef CONFIG_RESET_PHY_R +/* Configure and enable MV88E1116 PHY */ +void reset_phy(void) +{ + u16 reg; + u16 devadr; + char *name = "egiga0"; + + if (miiphy_set_current_dev(name)) + return; + + /* command to read PHY dev address */ + if (miiphy_read(name, 0xEE, 0xEE, (u16 *) &devadr)) { + printf("Err..%s could not read PHY dev address\n", + __FUNCTION__); + return; + } + + /* + * Enable RGMII delay on Tx and Rx for CPU port + * Ref: sec 4.7.2 of chip datasheet + */ + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 2); + miiphy_read(name, devadr, MV88E1116_MAC_CTRL_REG, ®); + reg |= (MV88E1116_RGMII_RXTM_CTRL | MV88E1116_RGMII_TXTM_CTRL); + miiphy_write(name, devadr, MV88E1116_MAC_CTRL_REG, reg); + miiphy_write(name, devadr, MV88E1116_PGADR_REG, 0); + + /* reset the phy */ + miiphy_reset(name, devadr); + + printf("88E1116 Initialized on %s\n", name); +} +#endif /* CONFIG_RESET_PHY_R */ + +#define GREEN_LED (1 << 14) +#define ORANGE_LED (1 << 15) +#define BOTH_LEDS (GREEN_LED | ORANGE_LED) +#define NEITHER_LED 0 + +static void set_leds(u32 leds, u32 blinking) +{ + struct kwgpio_registers *r = (struct kwgpio_registers *)KW_GPIO1_BASE; + u32 oe = readl(&r->oe) | BOTH_LEDS; + writel(oe & ~leds, &r->oe); /* active low */ + u32 bl = readl(&r->blink_en) & ~BOTH_LEDS; + writel(bl | blinking, &r->blink_en); +} + +void show_boot_progress(int val) +{ + switch (val) { + case 15: /* booting Linux */ + set_leds(BOTH_LEDS, NEITHER_LED); + break; + case 64: /* Ethernet initialization */ + set_leds(GREEN_LED, GREEN_LED); + break; + default: + if (val < 0) /* error */ + set_leds(ORANGE_LED, ORANGE_LED); + break; + } +} diff --git a/board/Seagate/dockstar/dockstar.h b/board/Seagate/dockstar/dockstar.h new file mode 100644 index 0000000..a2efe87 --- /dev/null +++ b/board/Seagate/dockstar/dockstar.h @@ -0,0 +1,44 @@ +/* + * Copyright (C) 2010 Eric C. Cooper + * + * Based on sheevaplug.h originally written by + * Prafulla Wadaskar + * (C) Copyright 2009 + * Marvell 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef __DOCKSTAR_H +#define __DOCKSTAR_H + +#define DOCKSTAR_OE_LOW (~(0)) +#define DOCKSTAR_OE_HIGH (~(0)) +#define DOCKSTAR_OE_VAL_LOW (1 << 29) /* USB_PWEN low */ +#define DOCKSTAR_OE_VAL_HIGH (1 << 17) /* LED pin high */ + +/* PHY related */ +#define MV88E1116_LED_FCTRL_REG 10 +#define MV88E1116_CPRSP_CR3_REG 21 +#define MV88E1116_MAC_CTRL_REG 21 +#define MV88E1116_PGADR_REG 22 +#define MV88E1116_RGMII_TXTM_CTRL (1 << 4) +#define MV88E1116_RGMII_RXTM_CTRL (1 << 5) + +#endif /* __DOCKSTAR_H */ diff --git a/board/Seagate/dockstar/kwbimage.cfg b/board/Seagate/dockstar/kwbimage.cfg new file mode 100644 index 0000000..98b514d --- /dev/null +++ b/board/Seagate/dockstar/kwbimage.cfg @@ -0,0 +1,165 @@ +# +# Copyright (C) 2010 Eric C. Cooper +# +# Based on sheevaplug/kwbimage.cfg originally written by +# Prafulla Wadaskar +# (C) Copyright 2009 +# Marvell 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., 51 Franklin Street, Fifth Floor, Boston, +# MA 02110-1301 USA +# +# Refer docs/README.kwimage for more details about how-to configure +# and create kirkwood boot image +# + +# Boot Media configurations +BOOT_FROM nand +NAND_ECC_MODE default +NAND_PAGE_SIZE 0x0800 + +# SOC registers configuration using bootrom header extension +# Maximum KWBIMAGE_MAX_CONFIG configurations allowed + +# Configure RGMII-0 interface pad voltage to 1.8V +DATA 0xFFD100e0 0x1b1b1b9b + +#Dram initalization for SINGLE x16 CL=5 @ 400MHz +DATA 0xFFD01400 0x43000c30 # DDR Configuration register +# bit13-0: 0xc30 (3120 DDR2 clks refresh rate) +# bit23-14: zero +# bit24: 1= enable exit self refresh mode on DDR access +# bit25: 1 required +# bit29-26: zero +# bit31-30: 01 + +DATA 0xFFD01404 0x37543000 # DDR Controller Control Low +# bit 4: 0=addr/cmd in smame cycle +# bit 5: 0=clk is driven during self refresh, we don't care for APX +# bit 6: 0=use recommended falling edge of clk for addr/cmd +# bit14: 0=input buffer always powered up +# bit18: 1=cpu lock transaction enabled +# bit23-20: 5=recommended value for CL=5 and STARTBURST_DEL disabled bit31=0 +# bit27-24: 7= CL+2, STARTBURST sample stages, for freqs 400MHz, unbuffered DIMM +# bit30-28: 3 required +# bit31: 0=no additional STARTBURST delay + +DATA 0xFFD01408 0x22125451 # DDR Timing (Low) (active cycles value +1) +# bit3-0: TRAS lsbs +# bit7-4: TRCD +# bit11- 8: TRP +# bit15-12: TWR +# bit19-16: TWTR +# bit20: TRAS msb +# bit23-21: 0x0 +# bit27-24: TRRD +# bit31-28: TRTP + +DATA 0xFFD0140C 0x00000a33 # DDR Timing (High) +# bit6-0: TRFC +# bit8-7: TR2R +# bit10-9: TR2W +# bit12-11: TW2W +# bit31-13: zero required + +DATA 0xFFD01410 0x0000000d # DDR Address Control +# bit1-0: 00, Cs0width=x8 +# bit3-2: 11, Cs0size=1Gb +# bit5-4: 00, Cs1width=nonexistent +# bit7-6: 00, Cs1size =nonexistent +# bit9-8: 00, Cs2width=nonexistent +# bit11-10: 00, Cs2size =nonexistent +# bit13-12: 00, Cs3width=nonexistent +# bit15-14: 00, Cs3size =nonexistent +# bit16: 0, Cs0AddrSel +# bit17: 0, Cs1AddrSel +# bit18: 0, Cs2AddrSel +# bit19: 0, Cs3AddrSel +# bit31-20: 0 required + +DATA 0xFFD01414 0x00000000 # DDR Open Pages Control +# bit0: 0, OpenPage enabled +# bit31-1: 0 required + +DATA 0xFFD01418 0x00000000 # DDR Operation +# bit3-0: 0x0, DDR cmd +# bit31-4: 0 required + +DATA 0xFFD0141C 0x00000C52 # DDR Mode +# bit2-0: 2, BurstLen=2 required +# bit3: 0, BurstType=0 required +# bit6-4: 4, CL=5 +# bit7: 0, TestMode=0 normal +# bit8: 0, DLL reset=0 normal +# bit11-9: 6, auto-precharge write recovery ???????????? +# bit12: 0, PD must be zero +# bit31-13: 0 required + +DATA 0xFFD01420 0x00000040 # DDR Extended Mode +# bit0: 0, DDR DLL enabled +# bit1: 0, DDR drive strenght normal +# bit2: 0, DDR ODT control lsd (disabled) +# bit5-3: 000, required +# bit6: 1, DDR ODT control msb, (disabled) +# bit9-7: 000, required +# bit10: 0, differential DQS enabled +# bit11: 0, required +# bit12: 0, DDR output buffer enabled +# bit31-13: 0 required + +DATA 0xFFD01424 0x0000F17F # DDR Controller Control High +# bit2-0: 111, required +# bit3 : 1 , MBUS Burst Chop disabled +# bit6-4: 111, required +# bit7 : 0 +# bit8 : 1 , add writepath sample stage, must be 1 for DDR freq >= 300MHz +# bit9 : 0 , no half clock cycle addition to dataout +# bit10 : 0 , 1/4 clock cycle skew enabled for addr/ctl signals +# bit11 : 0 , 1/4 clock cycle skew disabled for write mesh +# bit15-12: 1111 required +# bit31-16: 0 required + +DATA 0xFFD01428 0x00085520 # DDR2 ODT Read Timing (default values) +DATA 0xFFD0147C 0x00008552 # DDR2 ODT Write Timing (default values) + +DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 +DATA 0xFFD01504 0x07FFFFF1 # CS[0]n Size +# bit0: 1, Window enabled +# bit1: 0, Write Protect disabled +# bit3-2: 00, CS0 hit selected +# bit23-4: ones, required +# bit31-24: 0x07, Size (i.e. 128MB) + +DATA 0xFFD01508 0x10000000 # CS[1]n Base address to 256Mb +DATA 0xFFD0150C 0x00000000 # CS[1]n Size, window disabled + +DATA 0xFFD01514 0x00000000 # CS[2]n Size, window disabled +DATA 0xFFD0151C 0x00000000 # CS[3]n Size, window disabled + +DATA 0xFFD01494 0x00030000 # DDR ODT Control (Low) +DATA 0xFFD01498 0x00000000 # DDR ODT Control (High) +# bit1-0: 00, ODT0 controlled by ODT Control (low) register above +# bit3-2: 01, ODT1 active NEVER! +# bit31-4: zero, required + +DATA 0xFFD0149C 0x0000E803 # CPU ODT Control +DATA 0xFFD01480 0x00000001 # DDR Initialization Control +#bit0=1, enable DDR init upon this register write + +# End of Header extension +DATA 0x0 0x0 diff --git a/boards.cfg b/boards.cfg index 08e531e..15486de 100644 --- a/boards.cfg +++ b/boards.cfg @@ -53,6 +53,7 @@ pm9261 arm arm926ejs - ronetix at91 pm9263 arm arm926ejs - ronetix at91 suen3 arm arm926ejs km_arm keymile kirkwood rd6281a arm arm926ejs - Marvell kirkwood +dockstar arm arm926ejs - Seagate kirkwood jadecpu arm arm926ejs jadecpu syteco mb86r0x mx51evk arm armv7 mx51evk freescale mx5 vision2 arm armv7 vision2 ttcontrol mx5 diff --git a/include/configs/dockstar.h b/include/configs/dockstar.h new file mode 100644 index 0000000..249f93b --- /dev/null +++ b/include/configs/dockstar.h @@ -0,0 +1,125 @@ +/* + * Copyright (C) 2010 Eric C. Cooper + * + * Based on sheevaplug.h originally written by + * Prafulla Wadaskar + * (C) Copyright 2009 + * Marvell 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., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#ifndef _CONFIG_DOCKSTAR_H +#define _CONFIG_DOCKSTAR_H + +/* + * Version number information + */ +#define CONFIG_IDENT_STRING "\nSeagate FreeAgent DockStar" + +/* + * High Level Configuration Options (easy to change) + */ +#define CONFIG_FEROCEON_88FR131 1 /* CPU Core subversion */ +#define CONFIG_KIRKWOOD 1 /* SOC Family Name */ +#define CONFIG_KW88F6281 1 /* SOC Name */ +#define CONFIG_MACH_DOCKSTAR /* Machine type */ +#define CONFIG_SKIP_LOWLEVEL_INIT /* disable board lowlevel_init */ + +/* + * Commands configuration + */ +#define CONFIG_SYS_NO_FLASH /* Declare no flash (NOR/SPI) */ +#include +#define CONFIG_CMD_DHCP +#define CONFIG_CMD_ENV +#define CONFIG_CMD_MII +#define CONFIG_CMD_NAND +#define CONFIG_CMD_PING +#define CONFIG_CMD_USB +/* + * mv-common.h should be defined after CMD configs since it used them + * to enable certain macros + */ +#include "mv-common.h" + +#undef CONFIG_SYS_PROMPT /* previously defined in mv-common.h */ +#define CONFIG_SYS_PROMPT "DockStar> " /* Command Prompt */ + +/* + * Environment variables configurations + */ +#ifdef CONFIG_CMD_NAND +#define CONFIG_ENV_IS_IN_NAND 1 +#define CONFIG_ENV_SECT_SIZE 0x20000 /* 128K */ +#else +#define CONFIG_ENV_IS_NOWHERE 1 /* if env in SDRAM */ +#endif +/* + * max 4k env size is enough, but in case of nand + * it has to be rounded to sector size + */ +#define CONFIG_ENV_SIZE 0x20000 /* 128k */ +#define CONFIG_ENV_ADDR 0x60000 +#define CONFIG_ENV_OFFSET 0x60000 /* env starts here */ + +/* + * Default environment variables + */ +#define CONFIG_BOOTCOMMAND \ + "setenv bootargs ${console} ${mtdparts} ${bootargs_root}; " \ + "ubi part root; " \ + "ubifsmount root; " \ + "ubifsload 0x800000 ${kernel}; " \ + "ubifsload 0x1100000 ${initrd}; " \ + "bootm 0x800000 0x1100000" + +#define CONFIG_MTDPARTS "mtdparts=orion_nand:1m(uboot),-(root)\0" + +#define CONFIG_EXTRA_ENV_SETTINGS \ + "console=console=ttyS0,115200\0" \ + "mtdids=nand0=orion_nand\0" \ + "mtdparts="CONFIG_MTDPARTS \ + "kernel=/boot/uImage\0" \ + "initrd=/boot/uInitrd\0" \ + "bootargs_root=ubi.mtd=1 root=ubi0:root rootfstype=ubifs ro\0" + +/* + * Ethernet Driver configuration + */ +#ifdef CONFIG_CMD_NET +#define CONFIG_MVGBE_PORTS {1, 0} /* enable port 0 only */ +#define CONFIG_PHY_BASE_ADR 0 +#endif /* CONFIG_CMD_NET */ + +/* + * File system + */ +#define CONFIG_CMD_EXT2 +#define CONFIG_CMD_FAT +#define CONFIG_CMD_JFFS2 +#define CONFIG_CMD_UBI +#define CONFIG_CMD_UBIFS +#define CONFIG_RBTREE +#define CONFIG_MTD_DEVICE /* needed for mtdparts commands */ +#define CONFIG_MTD_PARTITIONS +#define CONFIG_CMD_MTDPARTS +#define CONFIG_LZO + +#endif /* _CONFIG_DOCKSTAR_H */ -- cgit v1.1 From 3336ca60d412b2e1285c0d5e76b7b6f9b4ff19ef Mon Sep 17 00:00:00 2001 From: Albert Aribaud Date: Thu, 25 Nov 2010 22:45:02 +0100 Subject: arm: add ELF relocation support to rest of cpus bulk addition of ELF relocation support to ARM cpus arm946es, arm720t,arm920t, arm925t, arm_intcm, ixp, lh7a40x, s3c44b0, and sa1100. Signed-off-by: Albert Aribaud --- arch/arm/cpu/arm720t/start.S | 119 +++++++++++++++++----------------- arch/arm/cpu/arm720t/u-boot.lds | 39 +++++++----- arch/arm/cpu/arm920t/start.S | 125 +++++++++++++++++++----------------- arch/arm/cpu/arm920t/u-boot.lds | 38 +++++++---- arch/arm/cpu/arm925t/start.S | 127 +++++++++++++++++++----------------- arch/arm/cpu/arm925t/u-boot.lds | 38 +++++++---- arch/arm/cpu/arm946es/start.S | 123 ++++++++++++++++++----------------- arch/arm/cpu/arm946es/u-boot.lds | 38 +++++++---- arch/arm/cpu/arm_intcm/start.S | 127 +++++++++++++++++++----------------- arch/arm/cpu/arm_intcm/u-boot.lds | 38 +++++++---- arch/arm/cpu/ixp/start.S | 118 +++++++++++++++++----------------- arch/arm/cpu/ixp/u-boot.lds | 38 +++++++---- arch/arm/cpu/lh7a40x/start.S | 119 +++++++++++++++++----------------- arch/arm/cpu/lh7a40x/u-boot.lds | 38 +++++++---- arch/arm/cpu/s3c44b0/start.S | 131 ++++++++++++++++++-------------------- arch/arm/cpu/s3c44b0/u-boot.lds | 38 +++++++---- arch/arm/cpu/sa1100/start.S | 119 +++++++++++++++++----------------- arch/arm/cpu/sa1100/u-boot.lds | 38 +++++++---- 18 files changed, 785 insertions(+), 666 deletions(-) diff --git a/arch/arm/cpu/arm720t/start.S b/arch/arm/cpu/arm720t/start.S index 8cd267b..46050da 100644 --- a/arch/arm/cpu/arm720t/start.S +++ b/arch/arm/cpu/arm720t/start.S @@ -81,14 +81,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -107,30 +110,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -184,9 +163,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -197,35 +175,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -242,18 +238,25 @@ clbss_l:str r2, [r0] /* clear loop... */ * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start + +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start /* ************************************************************************* diff --git a/arch/arm/cpu/arm720t/u-boot.lds b/arch/arm/cpu/arm720t/u-boot.lds index 4a0bc70..0686e42 100644 --- a/arch/arm/cpu/arm720t/u-boot.lds +++ b/arch/arm/cpu/arm720t/u-boot.lds @@ -40,29 +40,38 @@ SECTIONS . = ALIGN(4); .data : { - *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/arm920t/start.S b/arch/arm/cpu/arm920t/start.S index d4edde7..01edb9b 100644 --- a/arch/arm/cpu/arm920t/start.S +++ b/arch/arm/cpu/arm920t/start.S @@ -77,14 +77,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -103,30 +106,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual start code */ @@ -230,9 +209,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -243,35 +221,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -289,24 +285,33 @@ clbss_l:str r2, [r0] /* clear loop... */ * initialization, now running from RAM. */ #ifdef CONFIG_NAND_SPL - ldr pc, _nand_boot + ldr r0, _nand_boot_ofs + mov pc, r0 -_nand_boot: .word nand_boot +_nand_boot_ofs: + .word nand_boot #else - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start #endif +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start + /* ************************************************************************* * diff --git a/arch/arm/cpu/arm920t/u-boot.lds b/arch/arm/cpu/arm920t/u-boot.lds index 6985434..a6f8b56 100644 --- a/arch/arm/cpu/arm920t/u-boot.lds +++ b/arch/arm/cpu/arm920t/u-boot.lds @@ -49,28 +49,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/arm925t/start.S b/arch/arm/cpu/arm925t/start.S index 51229c6..ce590a7 100644 --- a/arch/arm/cpu/arm925t/start.S +++ b/arch/arm/cpu/arm925t/start.S @@ -87,14 +87,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -113,30 +116,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -221,9 +200,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -234,35 +212,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -271,6 +267,8 @@ clbss_l:str r2, [r0] /* clear loop... */ cmp r0, r1 bne clbss_l + bl coloured_LED_init + bl red_LED_on #endif /* @@ -278,24 +276,33 @@ clbss_l:str r2, [r0] /* clear loop... */ * initialization, now running from RAM. */ #ifdef CONFIG_NAND_SPL - ldr pc, _nand_boot + ldr r0, _nand_boot_ofs + mov pc, r0 -_nand_boot: .word nand_boot +_nand_boot_ofs: + .word nand_boot #else - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start #endif +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start + /* ************************************************************************* * diff --git a/arch/arm/cpu/arm925t/u-boot.lds b/arch/arm/cpu/arm925t/u-boot.lds index 1c4e9bc..7b53edb 100644 --- a/arch/arm/cpu/arm925t/u-boot.lds +++ b/arch/arm/cpu/arm925t/u-boot.lds @@ -44,28 +44,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/arm946es/start.S b/arch/arm/cpu/arm946es/start.S index cad43ba..f4950f7 100644 --- a/arch/arm/cpu/arm946es/start.S +++ b/arch/arm/cpu/arm946es/start.S @@ -10,6 +10,7 @@ * Copyright (c) 2002 Gary Jennejohn * Copyright (c) 2003 Richard Woodruff * Copyright (c) 2003 Kshitij + * Copyright (c) 2010 Albert Aribaud * * See file CREDITS for list of people who contributed to this * project. @@ -71,6 +72,7 @@ _fiq: .balignl 16,0xdeadbeef +_vectors_end: /* ************************************************************************* @@ -91,14 +93,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -117,30 +122,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -190,9 +171,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -203,42 +183,60 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ clbss_l:str r2, [r0] /* clear loop... */ add r0, r0, #4 cmp r0, r1 - bne clbss_l + blo clbss_l #endif /* @@ -250,20 +248,27 @@ clbss_l:str r2, [r0] /* clear loop... */ _nand_boot: .word nand_boot #else - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start #endif +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start + /* ************************************************************************* * diff --git a/arch/arm/cpu/arm946es/u-boot.lds b/arch/arm/cpu/arm946es/u-boot.lds index 6535963..eb91979 100644 --- a/arch/arm/cpu/arm946es/u-boot.lds +++ b/arch/arm/cpu/arm946es/u-boot.lds @@ -41,28 +41,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/arm_intcm/start.S b/arch/arm/cpu/arm_intcm/start.S index 957ca34..fcaba30 100644 --- a/arch/arm/cpu/arm_intcm/start.S +++ b/arch/arm/cpu/arm_intcm/start.S @@ -89,14 +89,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -115,30 +118,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -188,9 +167,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -201,35 +179,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -246,18 +242,33 @@ clbss_l:str r2, [r0] /* clear loop... */ * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ +#ifdef CONFIG_NAND_SPL + ldr r0, _nand_boot_ofs + mov pc, r0 + +_nand_boot_ofs: + .word nand_boot +#else + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start +#endif + +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start /* ************************************************************************* diff --git a/arch/arm/cpu/arm_intcm/u-boot.lds b/arch/arm/cpu/arm_intcm/u-boot.lds index 242c7ec..3b5c18d 100644 --- a/arch/arm/cpu/arm_intcm/u-boot.lds +++ b/arch/arm/cpu/arm_intcm/u-boot.lds @@ -41,28 +41,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/ixp/start.S b/arch/arm/cpu/ixp/start.S index 8d1aebc..d1ab19b 100644 --- a/arch/arm/cpu/ixp/start.S +++ b/arch/arm/cpu/ixp/start.S @@ -100,14 +100,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -126,30 +129,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -314,9 +293,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -327,35 +305,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -372,19 +368,25 @@ clbss_l:str r2, [r0] /* clear loop... */ * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start /****************************************************************************/ /* */ diff --git a/arch/arm/cpu/ixp/u-boot.lds b/arch/arm/cpu/ixp/u-boot.lds index f3d9dc5..a55eb8a 100644 --- a/arch/arm/cpu/ixp/u-boot.lds +++ b/arch/arm/cpu/ixp/u-boot.lds @@ -41,28 +41,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/lh7a40x/start.S b/arch/arm/cpu/lh7a40x/start.S index fd8a40b..5cf477b 100644 --- a/arch/arm/cpu/lh7a40x/start.S +++ b/arch/arm/cpu/lh7a40x/start.S @@ -77,14 +77,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -103,30 +106,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -201,9 +180,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -214,35 +192,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -256,18 +252,25 @@ clbss_l:str r2, [r0] /* clear loop... */ * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start + +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start /* ************************************************************************* diff --git a/arch/arm/cpu/lh7a40x/u-boot.lds b/arch/arm/cpu/lh7a40x/u-boot.lds index cb55b0a..463237d 100644 --- a/arch/arm/cpu/lh7a40x/u-boot.lds +++ b/arch/arm/cpu/lh7a40x/u-boot.lds @@ -41,28 +41,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/s3c44b0/start.S b/arch/arm/cpu/s3c44b0/start.S index 67b2c6a..8c7100c 100644 --- a/arch/arm/cpu/s3c44b0/start.S +++ b/arch/arm/cpu/s3c44b0/start.S @@ -68,14 +68,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -94,30 +97,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -173,9 +152,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -186,47 +164,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif -/* - now copy to sram the interrupt vector -*/ - adr r0, real_vectors - add r2, r0, #1024 - ldr r1, =0x0c000000 - add r1, r1, #0x08 -vector_copy_loop: - ldmia r0!, {r3-r10} - stmia r1!, {r3-r10} - cmp r0, r2 - blo vector_copy_loop clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -243,18 +227,25 @@ clbss_l:str r2, [r0] /* clear loop... */ * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start + +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start /* ************************************************************************* diff --git a/arch/arm/cpu/s3c44b0/u-boot.lds b/arch/arm/cpu/s3c44b0/u-boot.lds index bbc8c3a..ac29440 100644 --- a/arch/arm/cpu/s3c44b0/u-boot.lds +++ b/arch/arm/cpu/s3c44b0/u-boot.lds @@ -41,28 +41,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } diff --git a/arch/arm/cpu/sa1100/start.S b/arch/arm/cpu/sa1100/start.S index ace0c07..36d44da 100644 --- a/arch/arm/cpu/sa1100/start.S +++ b/arch/arm/cpu/sa1100/start.S @@ -78,14 +78,17 @@ _TEXT_BASE: /* * These are defined in the board-specific linker script. + * Subtracting _start from them lets the linker put their + * relative position in the executable instead of leaving + * them null. */ -.globl _bss_start -_bss_start: - .word __bss_start +.globl _bss_start_ofs +_bss_start_ofs: + .word __bss_start - _start -.globl _bss_end -_bss_end: - .word _end +.globl _bss_end_ofs +_bss_end_ofs: + .word _end - _start #ifdef CONFIG_USE_IRQ /* IRQ stack memory (calculated at run-time) */ @@ -104,30 +107,6 @@ FIQ_STACK_START: IRQ_STACK_START_IN: .word 0x0badc0de -.globl _datarel_start -_datarel_start: - .word __datarel_start - -.globl _datarelrolocal_start -_datarelrolocal_start: - .word __datarelrolocal_start - -.globl _datarellocal_start -_datarellocal_start: - .word __datarellocal_start - -.globl _datarelro_start -_datarelro_start: - .word __datarelro_start - -.globl _got_start -_got_start: - .word __got_start - -.globl _got_end -_got_end: - .word __got_end - /* * the actual reset code */ @@ -177,9 +156,8 @@ stack_setup: adr r0, _start ldr r2, _TEXT_BASE - ldr r3, _bss_start - sub r2, r3, r2 /* r2 <- size of armboot */ - add r2, r0, r2 /* r2 <- source end address */ + ldr r3, _bss_start_ofs + add r2, r0, r3 /* r2 <- source end address */ cmp r0, r6 beq clear_bss @@ -190,35 +168,53 @@ copy_loop: blo copy_loop #ifndef CONFIG_PRELOADER - /* fix got entries */ - ldr r1, _TEXT_BASE /* Text base */ - mov r0, r7 /* reloc addr */ - ldr r2, _got_start /* addr in Flash */ - ldr r3, _got_end /* addr in Flash */ - sub r3, r3, r1 - add r3, r3, r0 - sub r2, r2, r1 - add r2, r2, r0 - + /* + * fix .rel.dyn relocations + */ + ldr r0, _TEXT_BASE /* r0 <- Text base */ + sub r9, r7, r0 /* r9 <- relocation offset */ + ldr r10, _dynsym_start_ofs /* r10 <- sym table ofs */ + add r10, r10, r0 /* r10 <- sym table in FLASH */ + ldr r2, _rel_dyn_start_ofs /* r2 <- rel dyn start ofs */ + add r2, r2, r0 /* r2 <- rel dyn start in FLASH */ + ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ + add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r4, [r2] - sub r4, r4, r1 - add r4, r4, r0 - str r4, [r2] - add r2, r2, #4 + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r1, [r2, #4] + and r8, r1, #0xff + cmp r8, #23 /* relative fixup? */ + beq fixrel + cmp r8, #2 /* absolute fixup? */ + beq fixabs + /* ignore unknown type of fixup */ + b fixnext +fixabs: + /* absolute fix: set location to (offset) symbol value */ + mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ + add r1, r10, r1 /* r1 <- address of symbol in table */ + ldr r1, [r1, #4] /* r1 <- symbol value */ + add r1, r9 /* r1 <- relocated sym addr */ + b fixnext +fixrel: + /* relative fix: increase location by offset */ + ldr r1, [r0] + add r1, r1, r9 +fixnext: + str r1, [r0] + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif clear_bss: #ifndef CONFIG_PRELOADER - ldr r0, _bss_start - ldr r1, _bss_end + ldr r0, _bss_start_ofs + ldr r1, _bss_end_ofs ldr r3, _TEXT_BASE /* Text base */ mov r4, r7 /* reloc addr */ - sub r0, r0, r3 add r0, r0, r4 - sub r1, r1, r3 add r1, r1, r4 mov r2, #0x00000000 /* clear */ @@ -232,18 +228,25 @@ clbss_l:str r2, [r0] /* clear loop... */ * We are done. Do not return, instead branch to second part of board * initialization, now running from RAM. */ - ldr r0, _TEXT_BASE - ldr r2, _board_init_r - sub r2, r2, r0 - add r2, r2, r7 /* position from board_init_r in RAM */ + ldr r0, _board_init_r_ofs + adr r1, _start + add lr, r0, r1 + add lr, lr, r9 /* setup parameters for board_init_r */ mov r0, r5 /* gd_t */ mov r1, r7 /* dest_addr */ /* jump to it ... */ - mov lr, r2 mov pc, lr -_board_init_r: .word board_init_r +_board_init_r_ofs: + .word board_init_r - _start + +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start /* ************************************************************************* diff --git a/arch/arm/cpu/sa1100/u-boot.lds b/arch/arm/cpu/sa1100/u-boot.lds index 2e29291..fa6d05c 100644 --- a/arch/arm/cpu/sa1100/u-boot.lds +++ b/arch/arm/cpu/sa1100/u-boot.lds @@ -44,28 +44,38 @@ SECTIONS . = ALIGN(4); .data : { *(.data) - __datarel_start = .; - *(.data.rel) - __datarelrolocal_start = .; - *(.data.rel.ro.local) - __datarellocal_start = .; - *(.data.rel.local) - __datarelro_start = .; - *(.data.rel.ro) } - __got_start = .; . = ALIGN(4); - .got : { *(.got) } - __got_end = .; . = .; __u_boot_cmd_start = .; .u_boot_cmd : { *(.u_boot_cmd) } __u_boot_cmd_end = .; . = ALIGN(4); - __bss_start = .; - .bss (NOLOAD) : { *(.bss) . = ALIGN(4); } - _end = .; + + .rel.dyn : { + __rel_dyn_start = .; + *(.rel*) + __rel_dyn_end = .; + } + + .dynsym : { + __dynsym_start = .; + *(.dynsym) + } + + .bss __rel_dyn_start (OVERLAY) : { + __bss_start = .; + *(.bss) + . = ALIGN(4); + _end = .; + } + + /DISCARD/ : { *(.dynstr*) } + /DISCARD/ : { *(.dynamic*) } + /DISCARD/ : { *(.plt*) } + /DISCARD/ : { *(.interp*) } + /DISCARD/ : { *(.gnu*) } } -- cgit v1.1 From e42a7dff09dd7306f8eaffbe8aaf44148dbfba35 Mon Sep 17 00:00:00 2001 From: Albert Aribaud Date: Fri, 26 Nov 2010 19:42:10 +0100 Subject: arm1176: bugfix: fix start.S for ELF relocation The start.S file was only half-rewritten for ELF relocations. This bugfix completes the rewrite. Signed-off-by: Albert Aribaud --- arch/arm/cpu/arm1176/start.S | 47 ++++++++++++-------------------------------- 1 file changed, 13 insertions(+), 34 deletions(-) diff --git a/arch/arm/cpu/arm1176/start.S b/arch/arm/cpu/arm1176/start.S index f04d268..cd8f016 100644 --- a/arch/arm/cpu/arm1176/start.S +++ b/arch/arm/cpu/arm1176/start.S @@ -123,34 +123,6 @@ _bss_start_ofs: _bss_end_ofs: .word _end - _start -.globl _datarel_start_ofs -_datarel_start_ofs: - .word __datarel_start - _start - -.globl _datarelrolocal_start_ofs -_datarelrolocal_start_ofs: - .word __datarelrolocal_start - _start - -.globl _datarellocal_start_ofs -_datarellocal_start_ofs: - .word __datarellocal_start - _start - -.globl _datarelro_start_ofs -_datarelro_start_ofs: - .word __datarelro_start - _start - -.globl _rel_dyn_start_ofs -_rel_dyn_start_ofs: - .word __rel_dyn_start - _start - -.globl _rel_dyn_end_ofs -_rel_dyn_end_ofs: - .word __rel_dyn_end - _start - -.globl _dynsym_start_ofs -_dynsym_start_ofs: - .word __dynsym_start - _start - /* IRQ stack memory (calculated at run-time) + 8 bytes */ .globl IRQ_STACK_START_IN IRQ_STACK_START_IN: @@ -300,13 +272,13 @@ copy_loop: ldr r3, _rel_dyn_end_ofs /* r3 <- rel dyn end ofs */ add r3, r3, r0 /* r3 <- rel dyn end in FLASH */ fixloop: - ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ - add r0, r0, r9 /* r0 <- location to fix up in RAM */ + ldr r0, [r2] /* r0 <- location to fix up, IN FLASH! */ + add r0, r0, r9 /* r0 <- location to fix up in RAM */ ldr r1, [r2, #4] and r8, r1, #0xff - cmp r8, #23 /* relative fixup? */ + cmp r8, #23 /* relative fixup? */ beq fixrel - cmp r8, #2 /* absolute fixup? */ + cmp r8, #2 /* absolute fixup? */ beq fixabs /* ignore unknown type of fixup */ b fixnext @@ -315,7 +287,7 @@ fixabs: mov r1, r1, LSR #4 /* r1 <- symbol index in .dynsym */ add r1, r10, r1 /* r1 <- address of symbol in table */ ldr r1, [r1, #4] /* r1 <- symbol value */ - add r1, r1, r9 /* r1 <- relocated sym addr */ + add r1, r9 /* r1 <- relocated sym addr */ b fixnext fixrel: /* relative fix: increase location by offset */ @@ -323,7 +295,7 @@ fixrel: add r1, r1, r9 fixnext: str r1, [r0] - add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ + add r2, r2, #8 /* each rel.dyn entry is 8 bytes */ cmp r2, r3 blo fixloop #endif @@ -408,6 +380,13 @@ _board_init_r_ofs: .word board_init_r - _start #endif +_rel_dyn_start_ofs: + .word __rel_dyn_start - _start +_rel_dyn_end_ofs: + .word __rel_dyn_end - _start +_dynsym_start_ofs: + .word __dynsym_start - _start + #ifdef CONFIG_ENABLE_MMU _mmu_table_base: .word mmu_table -- cgit v1.1