From: Rob Herring rob.herring@calxeda.com

Add basic support for Calxeda Highbank platform. Only minimal support to boot is included.

Signed-off-by: Jason Hobbs jason.hobbs@calxeda.com Signed-off-by: Rob Herring rob.herring@calxeda.com Cc: Albert ARIBAUD albert.aribaud@free.fr --- arch/arm/cpu/armv7/highbank/Makefile | 46 ++++++++++++ arch/arm/cpu/armv7/highbank/config.mk | 4 + arch/arm/cpu/armv7/highbank/timer.c | 124 +++++++++++++++++++++++++++++++++ board/highbank/Makefile | 49 +++++++++++++ board/highbank/highbank.c | 49 +++++++++++++ boards.cfg | 1 + include/configs/highbank.h | 101 +++++++++++++++++++++++++++ 7 files changed, 374 insertions(+), 0 deletions(-) create mode 100644 arch/arm/cpu/armv7/highbank/Makefile create mode 100644 arch/arm/cpu/armv7/highbank/config.mk create mode 100644 arch/arm/cpu/armv7/highbank/timer.c create mode 100644 board/highbank/Makefile create mode 100644 board/highbank/highbank.c create mode 100644 include/configs/highbank.h

diff --git a/arch/arm/cpu/armv7/highbank/Makefile b/arch/arm/cpu/armv7/highbank/Makefile new file mode 100644 index 0000000..76faeb0 --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/Makefile @@ -0,0 +1,46 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(SOC).o + +COBJS := timer.o +SOBJS := + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS) $(SOBJS)) + +all: $(obj).depend $(LIB) + +$(LIB): $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/arch/arm/cpu/armv7/highbank/config.mk b/arch/arm/cpu/armv7/highbank/config.mk new file mode 100644 index 0000000..5ed5c39 --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/config.mk @@ -0,0 +1,4 @@ +STANDALONE_LOAD_ADDR = 0x100000 + +PLATFORM_CPPFLAGS += -march=armv7-a + diff --git a/arch/arm/cpu/armv7/highbank/timer.c b/arch/arm/cpu/armv7/highbank/timer.c new file mode 100644 index 0000000..263f11a --- /dev/null +++ b/arch/arm/cpu/armv7/highbank/timer.c @@ -0,0 +1,124 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * Based on arm926ejs/mx27/timer.c + * + * 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 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, see http://www.gnu.org/licenses/. + */ + +#include <common.h> +#include <div64.h> +#include <linux/types.h> /* for size_t */ +#include <linux/stddef.h> /* for NULL */ +#include <asm/io.h> +#include <asm/arch-armv7/systimer.h> + +#undef SYSTIMER_BASE +#define SYSTIMER_BASE 0xFFF34000 /* Timer 0 and 1 base */ +#define SYSTIMER_RATE 150000000 + +static ulong timestamp; +static ulong lastinc; +static struct systimer *systimer_base = (struct systimer *)SYSTIMER_BASE; + +/* + * Start the timer + */ +int timer_init(void) +{ + /* + * Setup timer0 + */ + writel(SYSTIMER_RELOAD, &systimer_base->timer0load); + writel(SYSTIMER_RELOAD, &systimer_base->timer0value); + writel(SYSTIMER_EN | SYSTIMER_32BIT, &systimer_base->timer0control); + + reset_timer_masked(); + + return 0; + +} + +#define TICK_PER_TIME ((SYSTIMER_RATE + CONFIG_SYS_HZ / 2) / CONFIG_SYS_HZ) +#define NS_PER_TICK (1000000000 / SYSTIMER_RATE) + +static inline unsigned long long tick_to_time(unsigned long long tick) +{ + do_div(tick, TICK_PER_TIME); + return tick; +} + +static inline unsigned long long time_to_tick(unsigned long long time) +{ + return time * TICK_PER_TIME; +} + +static inline unsigned long long us_to_tick(unsigned long long us) +{ + unsigned long long tick = us << 16; + tick += NS_PER_TICK - 1; + do_div(tick, NS_PER_TICK); + return tick >> 16; +} + +unsigned long long get_ticks(void) +{ + ulong now = ~readl(&systimer_base->timer0value); + + if (now >= lastinc) /* normal mode (non roll) */ + /* move stamp forward with absolut diff ticks */ + timestamp += (now - lastinc); + else /* we have rollover of incrementer */ + timestamp += (0xFFFFFFFF - lastinc) + now; + lastinc = now; + return timestamp; +} + +/* + * Delay x useconds AND preserve advance timstamp value + * assumes timer is ticking at 1 msec + */ +void __udelay(ulong usec) +{ + unsigned long long tmp; + ulong tmo; + + tmo = us_to_tick(usec); + tmp = get_ticks() + tmo; /* get current timestamp */ + + while (get_ticks() < tmp) /* loop till event */ + /*NOP*/; +} + +ulong get_timer(ulong base) +{ + return get_timer_masked() - base; +} + +void reset_timer_masked(void) +{ + lastinc = ~readl(&systimer_base->timer0value); + timestamp = 0; +} + +void reset_timer(void) +{ + reset_timer_masked(); +} + +ulong get_timer_masked(void) +{ + return tick_to_time(get_ticks()); +} + diff --git a/board/highbank/Makefile b/board/highbank/Makefile new file mode 100644 index 0000000..d5b8362 --- /dev/null +++ b/board/highbank/Makefile @@ -0,0 +1,49 @@ +# +# (C) Copyright 2000-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# See file CREDITS for list of people who contributed to this +# project. +# +# This program is free software; you can redistribute it and/or +# modify it under the terms of the GNU General Public License as +# published by the Free Software Foundation; either version 2 of +# the License, or (at your option) any later version. +# +# This program is distributed in the hope that it will be useful, +# but WITHOUT ANY WARRANTY; without even the implied warranty of +# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the +# GNU General Public License for more details. +# +# You should have received a copy of the GNU General Public License +# along with this program; if not, write to the Free Software +# Foundation, Inc., 59 Temple Place, Suite 330, Boston, +# MA 02111-1307 USA +# + +include $(TOPDIR)/config.mk + +LIB = $(obj)lib$(BOARD).o + +COBJS := highbank.o + +SRCS := $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) + +$(LIB): $(obj).depend $(OBJS) + $(call cmd_link_o_target, $(OBJS)) + +clean: + rm -f $(OBJS) + +distclean: clean + rm -f $(LIB) core *.bak $(obj).depend + +######################################################################### + +# defines $(obj).depend target +include $(SRCTREE)/rules.mk + +sinclude $(obj).depend + +######################################################################### diff --git a/board/highbank/highbank.c b/board/highbank/highbank.c new file mode 100644 index 0000000..9a0fc19 --- /dev/null +++ b/board/highbank/highbank.c @@ -0,0 +1,49 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * 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 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, see http://www.gnu.org/licenses/. + */ + +#include <common.h> + +#include <asm/sizes.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Miscellaneous platform dependent initialisations + */ +int board_init(void) +{ + icache_enable(); + + return 0; +} + +int dram_init(void) +{ + gd->ram_size = SZ_512M; + return 0; +} + +void dram_init_banksize(void) +{ + gd->bd->bi_dram[0].start = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_dram[0].size = PHYS_SDRAM_1_SIZE; +} + +void reset_cpu(ulong addr) +{ +} + diff --git a/boards.cfg b/boards.cfg index d2cacc8..7395d9c 100644 --- a/boards.cfg +++ b/boards.cfg @@ -126,6 +126,7 @@ omap5912osk arm arm926ejs - ti edminiv2 arm arm926ejs - LaCie orion5x dkb arm arm926ejs - Marvell pantheon ca9x4_ct_vxp arm armv7 vexpress armltd +highbank arm armv7 highbank - highbank efikamx arm armv7 efikamx - mx5 mx51evk:IMX_CONFIG=board/efikamx/imximage.cfg mx51evk arm armv7 mx51evk freescale mx5 mx51evk:IMX_CONFIG=board/freescale/mx51evk/imximage.cfg mx53evk arm armv7 mx53evk freescale mx5 mx53evk:IMX_CONFIG=board/freescale/mx53evk/imximage.cfg diff --git a/include/configs/highbank.h b/include/configs/highbank.h new file mode 100644 index 0000000..6e26848 --- /dev/null +++ b/include/configs/highbank.h @@ -0,0 +1,101 @@ +/* + * Copyright 2010-2011 Calxeda, Inc. + * + * 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 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, see http://www.gnu.org/licenses/. + */ + +#ifndef __CONFIG_H +#define __CONFIG_H + +#define CONFIG_L2_OFF + +#define CONFIG_SYS_NO_FLASH +#define CFG_HZ 1000 +#define CONFIG_SYS_HZ CFG_HZ + +#define CONFIG_OF_LIBFDT +#define CONFIG_FIT +#define CONFIG_SYS_BOOTMAPSZ (16 << 20) + +/* + * Size of malloc() pool + */ +#define CONFIG_SYS_MALLOC_LEN (512 * 1024) + +#define CONFIG_PL011_SERIAL +#define CONFIG_PL011_CLOCK 150000000 +#define CONFIG_PL01x_PORTS { (void *)(0xFFF36000) } +#define CONFIG_CONS_INDEX 0 + +#define CONFIG_BAUDRATE 38400 +#define CONFIG_SYS_BAUDRATE_TABLE { 9600, 19200, 38400, 57600, 115200 } + +/* + * Command line configuration. + */ +#include <config_cmd_default.h> +#undef CONFIG_CMD_NET +#undef CONFIG_CMD_NFS + +#define CONFIG_CMD_BDI +#define CONFIG_CMD_ELF +#define CONFIG_CMD_MEMORY +#define CONFIG_CMD_LOADS + +#define CONFIG_BOOTDELAY 2 +/* + * Miscellaneous configurable options + */ +#define CONFIG_CMDLINE_EDITING +#define CONFIG_AUTO_COMPLETE +#define CONFIG_SYS_LONGHELP /* undef to save memory */ +#define CONFIG_SYS_CBSIZE 256 /* Console I/O Buffer Size */ +#define CONFIG_SYS_MAXARGS 16 /* max number of cmd args */ +#define CONFIG_SYS_BARGSIZE CONFIG_SYS_CBSIZE +#define CONFIG_SYS_PROMPT "Highbank #" +/* Print Buffer Size */ +#define CONFIG_SYS_PBSIZE (CONFIG_SYS_CBSIZE + \ + sizeof(CONFIG_SYS_PROMPT)+16) + +#define CONFIG_SYS_LOAD_ADDR 0x800000 + +/*----------------------------------------------------------------------- + * Stack sizes + * + * The stack sizes are set up in start.S using the settings below + */ +#define CONFIG_STACKSIZE (128*1024) /* regular stack */ +#ifdef CONFIG_USE_IRQ +#define CONFIG_STACKSIZE_IRQ (4*1024) /* IRQ stack */ +#define CONFIG_STACKSIZE_FIQ (4*1024) /* FIQ stack */ +#endif + +/*----------------------------------------------------------------------- + * Physical Memory Map + */ +#define CONFIG_NR_DRAM_BANKS 1 +#define PHYS_SDRAM_1_SIZE (4089 << 20) +#define CONFIG_SYS_MEMTEST_START 0x100000 +#define CONFIG_SYS_MEMTEST_END (PHYS_SDRAM_1_SIZE - 0x100000) + +/* Room required on the stack for the environment data */ +#define CONFIG_ENV_SIZE 0x2000 +#define CONFIG_ENV_IS_NOWHERE + +#define CONFIG_SYS_SDRAM_BASE 0x00000000 +#define CONFIG_SYS_TEXT_BASE 0x00001000 +#define CONFIG_SYS_INIT_SP_ADDR 0x01000000 +#define CONFIG_SKIP_LOWLEVEL_INIT + +#endif

From: Rob Herring rob.herring@calxeda.com

The ata id string always needs swapping, not just on BE machines.

Signed-off-by: Rob Herring rob.herring@calxeda.com Cc: Wolfgang Denk wd@denx.de --- drivers/block/ahci.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-)

diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index a3ca2dc..d431c5a 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -468,7 +468,7 @@ static char *ata_id_strcpy(u16 *target, u16 *src, int len) { int i; for (i = 0; i < len / 2; i++) - target[i] = le16_to_cpu(src[i]); + target[i] = swab16(src[i]); return (char *)target; }

From: Rob Herring rob.herring@calxeda.com

Add support for AHCI controllers that are not PCI based.

Signed-off-by: Rob Herring rob.herring@calxeda.com Cc: Wolfgang Denk wd@denx.de --- common/cmd_scsi.c | 6 +++- drivers/block/ahci.c | 70 +++++++++++++++++++++++++++++++++++++++++++------ include/ahci.h | 4 +++ include/scsi.h | 1 + 4 files changed, 70 insertions(+), 11 deletions(-)

diff --git a/common/cmd_scsi.c b/common/cmd_scsi.c index be4fe74..25a8299 100644 --- a/common/cmd_scsi.c +++ b/common/cmd_scsi.c @@ -47,7 +47,8 @@ #define SCSI_DEV_ID 0x5288

#else -#error no scsi device defined +#define SCSI_VEND_ID 0 +#define SCSI_DEV_ID 0 #endif

@@ -174,7 +175,7 @@ removable: scsi_curr_dev = -1; }

- +#ifdef CONFIG_PCI void scsi_init(void) { int busdevfunc; @@ -192,6 +193,7 @@ void scsi_init(void) scsi_low_level_init(busdevfunc); scsi_scan(1); } +#endif

block_dev_desc_t * scsi_get_dev(int dev) { diff --git a/drivers/block/ahci.c b/drivers/block/ahci.c index d431c5a..d12cb71 100644 --- a/drivers/block/ahci.c +++ b/drivers/block/ahci.c @@ -78,13 +78,15 @@ static int waiting_for_cmd_completed(volatile u8 *offset,

static int ahci_host_init(struct ahci_probe_ent *probe_ent) { +#ifdef CONFIG_PCI pci_dev_t pdev = probe_ent->dev; + u16 tmp16; + unsigned short vendor; +#endif volatile u8 *mmio = (volatile u8 *)probe_ent->mmio_base; u32 tmp, cap_save; - u16 tmp16; int i, j; volatile u8 *port_mmio; - unsigned short vendor;

cap_save = readl(mmio + HOST_CAP); cap_save &= ((1 << 28) | (1 << 17)); @@ -110,6 +112,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) writel(cap_save, mmio + HOST_CAP); writel_with_flush(0xf, mmio + HOST_PORTS_IMPL);

+#ifdef CONFIG_PCI pci_read_config_word(pdev, PCI_VENDOR_ID, &vendor);

if (vendor == PCI_VENDOR_ID_INTEL) { @@ -118,7 +121,7 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) tmp16 |= 0xf; pci_write_config_word(pdev, 0x92, tmp16); } - +#endif probe_ent->cap = readl(mmio + HOST_CAP); probe_ent->port_map = readl(mmio + HOST_PORTS_IMPL); probe_ent->n_ports = (probe_ent->cap & 0x1f) + 1; @@ -183,22 +186,24 @@ static int ahci_host_init(struct ahci_probe_ent *probe_ent) writel(tmp | HOST_IRQ_EN, mmio + HOST_CTL); tmp = readl(mmio + HOST_CTL); debug("HOST_CTL 0x%x\n", tmp); - +#ifdef CONFIG_PCI pci_read_config_word(pdev, PCI_COMMAND, &tmp16); tmp |= PCI_COMMAND_MASTER; pci_write_config_word(pdev, PCI_COMMAND, tmp16); - +#endif return 0; }

static void ahci_print_info(struct ahci_probe_ent *probe_ent) { +#ifdef CONFIG_PCI pci_dev_t pdev = probe_ent->dev; + u16 cc; +#endif volatile u8 *mmio = (volatile u8 *)probe_ent->mmio_base; u32 vers, cap, impl, speed; const char *speed_s; - u16 cc; const char *scc_s;

vers = readl(mmio + HOST_VERSION); @@ -212,7 +217,7 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent) speed_s = "3"; else speed_s = "?"; - +#ifdef CONFIG_PCI pci_read_config_word(pdev, 0x0a, &cc); if (cc == 0x0101) scc_s = "IDE"; @@ -222,7 +227,9 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent) scc_s = "RAID"; else scc_s = "unknown"; - +#else + scc_s = "SATA"; +#endif printf("AHCI %02x%02x.%02x%02x " "%u slots %u ports %s Gbps 0x%x impl %s mode\n", (vers >> 24) & 0xff, @@ -249,6 +256,7 @@ static void ahci_print_info(struct ahci_probe_ent *probe_ent) cap & (1 << 13) ? "part " : ""); }

+#ifdef CONFIG_PCI static int ahci_init_one(pci_dev_t pdev) { u16 vendor; @@ -291,7 +299,7 @@ static int ahci_init_one(pci_dev_t pdev) err_out: return rc; } - +#endif

#define MAX_DATA_BYTE_COUNT (4*1024*1024)

@@ -667,7 +675,9 @@ void scsi_low_level_init(int busdevfunc) int i; u32 linkmap;

+#ifdef CONFIG_PCI ahci_init_one(busdevfunc); +#endif

linkmap = probe_ent->link_port_map;

@@ -682,6 +692,48 @@ void scsi_low_level_init(int busdevfunc) } }

+int ahci_init(u32 base) +{ + int i, rc = 0; + u32 linkmap; + + memset(ataid, 0, sizeof(ataid)); + + probe_ent = malloc(sizeof(struct ahci_probe_ent)); + memset(probe_ent, 0, sizeof(struct ahci_probe_ent)); + + probe_ent->host_flags = ATA_FLAG_SATA + | ATA_FLAG_NO_LEGACY + | ATA_FLAG_MMIO + | ATA_FLAG_PIO_DMA + | ATA_FLAG_NO_ATAPI; + probe_ent->pio_mask = 0x1f; + probe_ent->udma_mask = 0x7f; /*Fixme,assume to support UDMA6 */ + + probe_ent->mmio_base = base; + + /* initialize adapter */ + rc = ahci_host_init(probe_ent); + if (rc) + goto err_out; + + ahci_print_info(probe_ent); + + linkmap = probe_ent->link_port_map; + + for (i = 0; i < CONFIG_SYS_SCSI_MAX_SCSI_ID; i++) { + if (((linkmap >> i) & 0x01)) { + if (ahci_port_start((u8) i)) { + printf("Can not start port %d\n", i); + continue; + } + ahci_set_feature((u8) i); + } + } +err_out: + return rc; +} +

void scsi_bus_reset(void) { diff --git a/include/ahci.h b/include/ahci.h index 0c6bbbd..c0a0a47 100644 --- a/include/ahci.h +++ b/include/ahci.h @@ -25,6 +25,8 @@ #ifndef _AHCI_H_ #define _AHCI_H_

+#include <pci.h> + #define AHCI_PCI_BAR 0x24 #define AHCI_MAX_SG 56 /* hardware max is 64K */ #define AHCI_CMD_SLOT_SZ 32 @@ -187,4 +189,6 @@ struct ahci_probe_ent { u32 link_port_map; /*linkup port map*/ };

+int ahci_init(u32 base); + #endif diff --git a/include/scsi.h b/include/scsi.h index aaafc9c..c52759c 100644 --- a/include/scsi.h +++ b/include/scsi.h @@ -185,6 +185,7 @@ void scsi_low_level_init(int busdevfunc); * functions residing inside cmd_scsi.c */ void scsi_init(void); +void scsi_scan(int mode);

#define SCSI_IDENTIFY 0xC0 /* not used */