diff options
Diffstat (limited to 'board/keymile/km_arm')
| -rw-r--r-- | board/keymile/km_arm/Makefile | 4 | ||||
| -rw-r--r-- | board/keymile/km_arm/fpga_config.c | 256 | ||||
| -rw-r--r-- | board/keymile/km_arm/km_arm.c | 152 | ||||
| -rw-r--r-- | board/keymile/km_arm/kwbimage-memphis.cfg | 2 | ||||
| -rw-r--r-- | board/keymile/km_arm/kwbimage_128M16_1.cfg | 294 | ||||
| -rw-r--r-- | board/keymile/km_arm/kwbimage_256M8_1.cfg | 296 |
6 files changed, 931 insertions, 73 deletions
diff --git a/board/keymile/km_arm/Makefile b/board/keymile/km_arm/Makefile index aa51255..13d485a 100644 --- a/board/keymile/km_arm/Makefile +++ b/board/keymile/km_arm/Makefile @@ -31,6 +31,10 @@ LIB = $(obj)lib$(BOARD).o COBJS := $(BOARD).o ../common/common.o ../common/ivm.o +ifdef CONFIG_KM_FPGA_CONFIG +COBJS += fpga_config.o +endif + SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(COBJS)) SOBJS := $(addprefix $(obj),$(SOBJS)) diff --git a/board/keymile/km_arm/fpga_config.c b/board/keymile/km_arm/fpga_config.c new file mode 100644 index 0000000..fcc5fe6 --- /dev/null +++ b/board/keymile/km_arm/fpga_config.c @@ -0,0 +1,256 @@ +/* + * (C) Copyright 2012 + * Valentin Lontgchamp, Keymile AG, valentin.longchamp@keymile.com + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, + * MA 02110-1301 USA + */ + +#include <common.h> +#include <i2c.h> +#include <asm/errno.h> + +/* GPIO Pin from kirkwood connected to PROGRAM_B pin of the xilinx FPGA */ +#define KM_XLX_PROGRAM_B_PIN 39 + +#define BOCO_ADDR 0x10 + +#define ID_REG 0x00 +#define BOCO2_ID 0x5b + +static int check_boco2(void) +{ + int ret; + u8 id; + + ret = i2c_read(BOCO_ADDR, ID_REG, 1, &id, 1); + if (ret) { + printf("%s: error reading the BOCO id !!\n", __func__); + return ret; + } + + return (id == BOCO2_ID); +} + +static int boco_clear_bits(u8 reg, u8 flags) +{ + int ret; + u8 regval; + + /* give access to the EEPROM from FPGA */ + ret = i2c_read(BOCO_ADDR, reg, 1, ®val, 1); + if (ret) { + printf("%s: error reading the BOCO @%#x !!\n", + __func__, reg); + return ret; + } + regval &= ~flags; + ret = i2c_write(BOCO_ADDR, reg, 1, ®val, 1); + if (ret) { + printf("%s: error writing the BOCO @%#x !!\n", + __func__, reg); + return ret; + } + + return 0; +} + +static int boco_set_bits(u8 reg, u8 flags) +{ + int ret; + u8 regval; + + /* give access to the EEPROM from FPGA */ + ret = i2c_read(BOCO_ADDR, reg, 1, ®val, 1); + if (ret) { + printf("%s: error reading the BOCO @%#x !!\n", + __func__, reg); + return ret; + } + regval |= flags; + ret = i2c_write(BOCO_ADDR, reg, 1, ®val, 1); + if (ret) { + printf("%s: error writing the BOCO @%#x !!\n", + __func__, reg); + return ret; + } + + return 0; +} + +#define SPI_REG 0x06 +#define CFG_EEPROM 0x02 +#define FPGA_PROG 0x04 +#define FPGA_INIT_B 0x10 +#define FPGA_DONE 0x20 + +static int fpga_done(void) +{ + int ret = 0; + u8 regval; + + /* this is only supported with the boco2 design */ + if (!check_boco2()) + return 0; + + ret = i2c_read(BOCO_ADDR, SPI_REG, 1, ®val, 1); + if (ret) { + printf("%s: error reading the BOCO @%#x !!\n", + __func__, SPI_REG); + return 0; + } + + return regval & FPGA_DONE ? 1 : 0; +} + +int skip; + +int trigger_fpga_config(void) +{ + int ret = 0; + + /* if the FPGA is already configured, we do not want to + * reconfigure it */ + skip = 0; + if (fpga_done()) { + printf("PCIe FPGA config: skipped\n"); + skip = 1; + return 0; + } + + if (check_boco2()) { + /* we have a BOCO2, this has to be triggered here */ + + /* make sure the FPGA_can access the EEPROM */ + ret = boco_clear_bits(SPI_REG, CFG_EEPROM); + if (ret) + return ret; + + /* trigger the config start */ + ret = boco_clear_bits(SPI_REG, FPGA_PROG | FPGA_INIT_B); + if (ret) + return ret; + + /* small delay for the pulse */ + udelay(10); + + /* up signal for pulse end */ + ret = boco_set_bits(SPI_REG, FPGA_PROG); + if (ret) + return ret; + + /* finally, raise INIT_B to remove the config delay */ + ret = boco_set_bits(SPI_REG, FPGA_INIT_B); + if (ret) + return ret; + + } else { + /* we do it the old way, with the gpio pin */ + kw_gpio_set_valid(KM_XLX_PROGRAM_B_PIN, 1); + kw_gpio_direction_output(KM_XLX_PROGRAM_B_PIN, 0); + /* small delay for the pulse */ + udelay(10); + kw_gpio_direction_input(KM_XLX_PROGRAM_B_PIN); + } + + return 0; +} + +int wait_for_fpga_config(void) +{ + int ret = 0; + u8 spictrl; + u32 timeout = 20000; + + if (skip) + return 0; + + if (!check_boco2()) { + /* we do not have BOCO2, this is not really used */ + return 0; + } + + printf("PCIe FPGA config:"); + do { + ret = i2c_read(BOCO_ADDR, SPI_REG, 1, &spictrl, 1); + if (ret) { + printf("%s: error reading the BOCO spictrl !!\n", + __func__); + return ret; + } + if (timeout-- == 0) { + printf(" FPGA_DONE timeout\n"); + return -EFAULT; + } + udelay(10); + } while (!(spictrl & FPGA_DONE)); + + printf(" done\n"); + + return 0; +} + +#define PRST1 0x4 +#define PCIE_RST 0x10 +#define TRAFFIC_RST 0x04 + +int fpga_reset(void) +{ + int ret = 0; + u8 resets; + + if (!check_boco2()) { + /* we do not have BOCO2, this is not really used */ + return 0; + } + + /* if we have skipped, we only want to reset the PCIe part */ + resets = skip ? PCIE_RST : PCIE_RST | TRAFFIC_RST; + + ret = boco_clear_bits(PRST1, resets); + if (ret) + return ret; + + /* small delay for the pulse */ + udelay(10); + + ret = boco_set_bits(PRST1, resets); + if (ret) + return ret; + + return 0; +} + +/* the FPGA was configured, we configure the BOCO2 so that the EEPROM + * is available from the Bobcat SPI bus */ +int toggle_eeprom_spi_bus(void) +{ + int ret = 0; + + if (!check_boco2()) { + /* we do not have BOCO2, this is not really used */ + return 0; + } + + ret = boco_set_bits(SPI_REG, CFG_EEPROM); + if (ret) + return ret; + + return 0; +} + diff --git a/board/keymile/km_arm/km_arm.c b/board/keymile/km_arm/km_arm.c index 9e9940c..2b2ca39 100644 --- a/board/keymile/km_arm/km_arm.c +++ b/board/keymile/km_arm/km_arm.c @@ -33,6 +33,7 @@ #include <nand.h> #include <netdev.h> #include <miiphy.h> +#include <spi.h> #include <asm/io.h> #include <asm/arch/cpu.h> #include <asm/arch/kirkwood.h> @@ -113,7 +114,7 @@ u32 kwmpp_config[] = { 0 }; -#if defined(CONFIG_MGCOGE3UN) +#if defined(CONFIG_KM_MGCOGE3UN) /* * Wait for startup OK from mgcoge3ne */ @@ -133,10 +134,10 @@ int startup_allowed(void) } #endif -#if (defined(CONFIG_MGCOGE3UN)|defined(CONFIG_PORTL2)) +#if (defined(CONFIG_KM_PIGGY4_88E6061)|defined(CONFIG_KM_PIGGY4_88E6352)) /* - * These two boards have always ethernet present. Its connected to the mv - * switch. + * All boards with PIGGY4 connected via a simple switch have ethernet always + * present. */ int ethernet_present(void) { @@ -201,7 +202,7 @@ int misc_init_r(void) printf("Overwriting MACH_TYPE with %d!!!\n", mach_type); gd->bd->bi_arch_number = mach_type; } -#if defined(CONFIG_MGCOGE3UN) +#if defined(CONFIG_KM_MGCOGE3UN) char *wait_for_ne; wait_for_ne = getenv("waitforne"); if (wait_for_ne != NULL) { @@ -242,90 +243,93 @@ int misc_init_r(void) int board_early_init_f(void) { +#if defined(CONFIG_SOFT_I2C) u32 tmp; - kirkwood_mpp_conf(kwmpp_config); + /* set the 2 bitbang i2c pins as output gpios */ + tmp = readl(KW_GPIO0_BASE + 4); + writel(tmp & (~KM_KIRKWOOD_SOFT_I2C_GPIOS) , KW_GPIO0_BASE + 4); +#endif + kirkwood_mpp_conf(kwmpp_config, NULL); + return 0; +} + +int board_init(void) +{ /* - * The FLASH_GPIO_PIN switches between using a + * arch number of board + */ + gd->bd->bi_arch_number = MACH_TYPE_KM_KIRKWOOD; + + /* address of boot parameters */ + gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; + + /* + * The KM_FLASH_GPIO_PIN switches between using a * NAND or a SPI FLASH. Set this pin on start * to NAND mode. */ - tmp = readl(KW_GPIO0_BASE); - writel(tmp | FLASH_GPIO_PIN , KW_GPIO0_BASE); - tmp = readl(KW_GPIO0_BASE + 4); - writel(tmp & (~FLASH_GPIO_PIN) , KW_GPIO0_BASE + 4); + kw_gpio_set_valid(KM_FLASH_GPIO_PIN, 1); + kw_gpio_direction_output(KM_FLASH_GPIO_PIN, 1); #if defined(CONFIG_SOFT_I2C) - /* init the GPIO for I2C Bitbang driver */ + /* + * Reinit the GPIO for I2C Bitbang driver so that the now + * available gpio framework is consistent. The calls to + * direction output in are not necessary, they are already done in + * board_early_init_f + */ kw_gpio_set_valid(KM_KIRKWOOD_SDA_PIN, 1); kw_gpio_set_valid(KM_KIRKWOOD_SCL_PIN, 1); - kw_gpio_direction_output(KM_KIRKWOOD_SDA_PIN, 0); - kw_gpio_direction_output(KM_KIRKWOOD_SCL_PIN, 0); #endif + #if defined(CONFIG_SYS_EEPROM_WREN) kw_gpio_set_valid(KM_KIRKWOOD_ENV_WP, 38); kw_gpio_direction_output(KM_KIRKWOOD_ENV_WP, 1); #endif -#if defined(CONFIG_KM_RECONFIG_XLX) - /* trigger the reconfiguration of the xilinx fpga */ - kw_gpio_set_valid(KM_XLX_PROGRAM_B_PIN, 1); - kw_gpio_direction_output(KM_XLX_PROGRAM_B_PIN, 0); - kw_gpio_direction_input(KM_XLX_PROGRAM_B_PIN); + +#if defined(CONFIG_KM_FPGA_CONFIG) + trigger_fpga_config(); #endif + return 0; } -int board_init(void) +int board_late_init(void) { - /* address of boot parameters */ - gd->bd->bi_boot_params = kw_sdram_bar(0) + 0x100; +#if defined(CONFIG_KMCOGE5UN) +/* I/O pin to erase flash RGPP09 = MPP43 */ +#define KM_FLASH_ERASE_ENABLE 43 + u8 dip_switch = kw_gpio_get_value(KM_FLASH_ERASE_ENABLE); + + /* if pin 1 do full erase */ + if (dip_switch != 0) { + /* start bootloader */ + puts("DIP: Enabled\n"); + setenv("actual_bank", "0"); + } +#endif +#if defined(CONFIG_KM_FPGA_CONFIG) + wait_for_fpga_config(); + fpga_reset(); + toggle_eeprom_spi_bus(); +#endif return 0; } -#if defined(CONFIG_CMD_SF) -int do_spi_toggle(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) +int board_spi_claim_bus(struct spi_slave *slave) { - u32 tmp; - if (argc < 2) - return cmd_usage(cmdtp); - - if ((strcmp(argv[1], "off") == 0)) { - printf("SPI FLASH disabled, NAND enabled\n"); - /* Multi-Purpose Pins Functionality configuration */ - kwmpp_config[0] = MPP0_NF_IO2; - kwmpp_config[1] = MPP1_NF_IO3; - kwmpp_config[2] = MPP2_NF_IO4; - kwmpp_config[3] = MPP3_NF_IO5; - - kirkwood_mpp_conf(kwmpp_config); - tmp = readl(KW_GPIO0_BASE); - writel(tmp | FLASH_GPIO_PIN , KW_GPIO0_BASE); - } else if ((strcmp(argv[1], "on") == 0)) { - printf("SPI FLASH enabled, NAND disabled\n"); - /* Multi-Purpose Pins Functionality configuration */ - kwmpp_config[0] = MPP0_SPI_SCn; - kwmpp_config[1] = MPP1_SPI_MOSI; - kwmpp_config[2] = MPP2_SPI_SCK; - kwmpp_config[3] = MPP3_SPI_MISO; - - kirkwood_mpp_conf(kwmpp_config); - tmp = readl(KW_GPIO0_BASE); - writel(tmp & (~FLASH_GPIO_PIN) , KW_GPIO0_BASE); - } else { - return cmd_usage(cmdtp); - } + kw_gpio_set_value(KM_FLASH_GPIO_PIN, 0); return 0; } -U_BOOT_CMD( - spitoggle, 2, 0, do_spi_toggle, - "En-/disable SPI FLASH access", - "<on|off> - Enable (on) or disable (off) SPI FLASH access\n" - ); -#endif +void board_spi_release_bus(struct spi_slave *slave) +{ + kw_gpio_set_value(KM_FLASH_GPIO_PIN, 1); +} int dram_init(void) { @@ -347,15 +351,15 @@ void dram_init_banksize(void) } } -#if (defined(CONFIG_MGCOGE3UN)|defined(CONFIG_PORTL2)) +#if (defined(CONFIG_KM_PIGGY4_88E6061)) -#define PHY_LED_SEL 0x18 -#define PHY_LED0_LINK (0x5) -#define PHY_LED1_ACT (0x8<<4) -#define PHY_LED2_INT (0xe<<8) -#define PHY_SPEC_CTRL 0x1c +#define PHY_LED_SEL_REG 0x18 +#define PHY_LED0_LINK (0x5) +#define PHY_LED1_ACT (0x8<<4) +#define PHY_LED2_INT (0xe<<8) +#define PHY_SPEC_CTRL_REG 0x1c #define PHY_RGMII_CLK_STABLE (0x1<<10) -#define PHY_CLSA (0x1<<1) +#define PHY_CLSA (0x1<<1) /* Configure and enable MV88E3018 PHY */ void reset_phy(void) @@ -367,15 +371,15 @@ void reset_phy(void) return; /* RGMII clk transition on data stable */ - if (miiphy_read(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL, ®) != 0) + if (!miiphy_read(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL_REG, ®)) printf("Error reading PHY spec ctrl reg\n"); - if (miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL, - reg | PHY_RGMII_CLK_STABLE | PHY_CLSA) != 0) + if (!miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_SPEC_CTRL_REG, + reg | PHY_RGMII_CLK_STABLE | PHY_CLSA)) printf("Error writing PHY spec ctrl reg\n"); /* leds setup */ - if (miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_LED_SEL, - PHY_LED0_LINK | PHY_LED1_ACT | PHY_LED2_INT) != 0) + if (!miiphy_write(name, CONFIG_PHY_BASE_ADR, PHY_LED_SEL_REG, + PHY_LED0_LINK | PHY_LED1_ACT | PHY_LED2_INT)) printf("Error writing PHY LED reg\n"); /* reset the phy */ @@ -410,7 +414,7 @@ const ulong patterns[] = { 0x00000000, 0xFF00FF00, 0x0F0F0F0F, 0xF0F0F0F0}; -const ulong NBR_OF_PATTERNS = sizeof(patterns)/sizeof(*patterns); +const ulong NBR_OF_PATTERNS = ARRAY_SIZE(patterns); const ulong OFFS_PATTERN = 3; const ulong REPEAT_PATTERN = 1000; @@ -486,7 +490,11 @@ int get_scl(void) int post_hotkeys_pressed(void) { +#if defined(CONFIG_KM_COGE5UN) + return kw_gpio_get_value(KM_POST_EN_L); +#else return !kw_gpio_get_value(KM_POST_EN_L); +#endif } ulong post_word_load(void) diff --git a/board/keymile/km_arm/kwbimage-memphis.cfg b/board/keymile/km_arm/kwbimage-memphis.cfg index 2faaf2b..6df2ad7 100644 --- a/board/keymile/km_arm/kwbimage-memphis.cfg +++ b/board/keymile/km_arm/kwbimage-memphis.cfg @@ -149,7 +149,7 @@ DATA 0xFFD01424 0x0000F17F # DDR Controller Control High DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low # bit3-0 : 0000, required # bit7-4 : 0010, M_ODT assertion 2 cycles after read -# bit11-8 : 1001, M_ODT de-assertion 5 cycles after read +# bit11-8 : 0101, M_ODT de-assertion 5 cycles after read # bit15-12: 0100, internal ODT assertion 4 cycles after read # bit19-16: 1000, internal ODT de-assertion 8 cycles after read # bit31-20: 0 , required diff --git a/board/keymile/km_arm/kwbimage_128M16_1.cfg b/board/keymile/km_arm/kwbimage_128M16_1.cfg new file mode 100644 index 0000000..bcce907 --- /dev/null +++ b/board/keymile/km_arm/kwbimage_128M16_1.cfg @@ -0,0 +1,294 @@ +# +# (C) Copyright 2010 +# Heiko Schocher, DENX Software Engineering, hs@denx.de. +# +# (C) Copyright 2012 +# Valentin Longchamp, Keymile AG, valentin.longchamp@keymile.com +# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com +# +# (C) Copyright 2012 +# 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 spi # Boot from SPI flash + +DATA 0xFFD10000 0x01112222 # MPP Control 0 Register +# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2]) +# bit 7-4: 2, MPPSel1 SPI_SI (1=NF_IO[3]) +# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4]) +# bit 15-12: 2, MPPSel3 SPI_SO (1=NF_IO[5]) +# bit 19-16: 1, MPPSel4 NF_IO[6] +# bit 23-20: 1, MPPSel5 NF_IO[7] +# bit 27-24: 1, MPPSel6 SYSRST_O +# bit 31-28: 0, MPPSel7 GPO[7] + +DATA 0xFFD10004 0x03303300 # MPP Control 1 Register +# bit 3-0: 0, MPPSel8 GPIO[8] +# bit 7-4: 0, MPPSel9 GPIO[9] +# bit 12-8: 3, MPPSel10 UA0_TXD +# bit 15-12: 3, MPPSel11 UA0_RXD +# bit 19-16: 0, MPPSel12 not connected +# bit 23-20: 3, MPPSel13 UA1_TXD +# bit 27-24: 3, MPPSel14 UA1_RXD +# bit 31-28: 0, MPPSel15 GPIO[15] + +DATA 0xFFD10008 0x00001100 # MPP Control 2 Register +# bit 3-0: 0, MPPSel16 GPIO[16] +# bit 7-4: 0, MPPSel17 not connected +# bit 12-8: 1, MPPSel18 NF_IO[0] +# bit 15-12: 1, MPPSel19 NF_IO[1] +# bit 19-16: 0, MPPSel20 GPIO[20] +# bit 23-20: 0, MPPSel21 GPIO[21] +# bit 27-24: 0, MPPSel22 GPIO[22] +# bit 31-28: 0, MPPSel23 GPIO[23] + +# MPP Control 3-6 Register untouched (MPP24-49) + +DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register +# bit 2-0: 3, Reserved +# bit 5-3: 3, Reserved +# bit 6: 0, Reserved +# bit 7: 0, RGMII-pads voltage = 3.3V +# bit 10-8: 3, Reserved +# bit 13-11: 3, Reserved +# bit 14: 0, Reserved +# bit 15: 0, MPP RGMII-pads voltage = 3.3V +# bit 31-16 0x1B1B, Reserved + +DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register +# bit 0-1: 2, Tag RAM RTC RAM0 +# bit 3-2: 1, Tag RAM WTC RAM0 +# bit 7-4: 6, Reserve +# bit 9-8: 2, Valid RAM RTC RAM +# bit 11-10: 1, Valid RAM WTC RAM +# bit 13-12: 2, Dirty RAM RTC RAM +# bit 15-14: 1, Dirty RAM WTC RAM +# bit 17-16: 2, Data RAM RTC RAM0 +# bit 19-18: 1, Data RAM WTC RAM0 +# bit 21-20: 2, Data RAM RTC RAM1 +# bit 23-22: 1, Data RAM WTC RAM1 +# bit 25-24: 2, Data RAM RTC RAM2 +# bit 27-26: 1, Data RAM WTC RAM2 +# bit 29-28: 2, Data RAM RTC RAM3 +# bit 31-30: 1, Data RAM WTC RAM4 + +DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register +# bit 15-0: ???, Reserve +# bit 17-16: 2, ECC RAM RTC RAM0 +# bit 19-18: 1, ECC RAM WTC RAM0 +# bit 31-20: ???,Reserve + +DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register +# bit 23-0: 0x000200, Addr Config tuning +# bit 31-24: 0, Reserved + +# ??? Missing register # CPU RAM Management Control2 Register + +DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register +# bit 15-0: 0x1C00, Opmux Tuning +# bit 31-16: 0, Pc Dp Tuning + +DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register +# bit 1-0: 1, addr clk tune +# bit 3-2: 0, reserved +# bit 5-4: 0, dtcmp clk tune +# bit 7-6: 0, reserved +# bit 9-8: 0, macdrv clk tune +# bit 11-10: 0, opmuxgm2 clk tune +# bit 15-14: 0, rf clk tune +# bit 17-16: 0, rfbypass clk tune +# bit 19-18: 0, pc dp clk tune +# bit 23-20: 0, icache clk tune +# bit 27:24: 0, dcache clk tune +# bit 31:28: 0, regfile tunin + +# SDRAM initalization +DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register +# bit 13-0: 0x4E0, DDR2 clks refresh rate +# bit 14: 0, reserved +# bit 15: 0, reserved +# bit 16: 0, CPU to Dram Write buffer policy +# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic +# bit 19-18: 0, reserved +# bit 23-20: 0, reserved +# bit 24: 1, enable exit self refresh mode on DDR access +# bit 25: 1, required +# bit 29-26: 0, reserved +# bit 31-30: 1, reserved + +DATA 0xFFD01404 0x36543000 # DDR Controller Control Low +# bit 3-0: 0, reserved +# bit 4: 0, 2T mode =addr/cmd in same 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 +# bit 7-11: 0, reserved +# bit 12-13: 1, reserved, required 1 +# bit 14: 0, input buffer always powered up +# bit 17-15: 0, reserved +# bit 18: 1, cpu lock transaction enabled +# bit 19: 0, reserved +# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0 +# bit 27-24: 6, CL+1, STARTBURST sample stages, for freqs 200-399MHz, unbuffered DIMM +# bit 30-28: 3, required +# bit 31: 0,no additional STARTBURST delay + +DATA 0xFFD01408 0x2302444e # DDR Timing (Low) (active cycles value +1) +# bit 3-0: 0xE, TRAS, 15 clk (45 ns) +# bit 7-4: 0x4, TRCD, 5 clk (15 ns) +# bit 11-8: 0x4, TRP, 5 clk (15 ns) +# bit 15-12: 0x4, TWR, 5 clk (15 ns) +# bit 19-16: 0x2, TWTR, 3 clk (7.5 ns) +# bit 20: 0, extended TRAS msb +# bit 23-21: 0, reserved +# bit 27-24: 0x3, TRRD, 4 clk (10 ns) +# bit 31-28: 0x2, TRTP, 3 clk (7.5 ns) + +DATA 0xFFD0140C 0x0000003e # DDR Timing (High) +# bit 6-0: 0x3E, TRFC, 63 clk (195 ns) +# bit 8-7: 0, TR2R +# bit 10-9: 0, TR2W +# bit 12-11: 0, TW2W +# bit 31-13: 0, reserved + +DATA 0xFFD01410 0x00000001 # DDR Address Control +# bit 1-0: 1, Cs0width=x16 +# bit 3-2: 0, Cs0size=2Gb +# bit 5-4: 0, Cs1width=nonexistent +# bit 7-6: 0, Cs1size =nonexistent +# bit 9-8: 0, Cs2width=nonexistent +# bit 11-10: 0, Cs2size =nonexistent +# bit 13-12: 0, Cs3width=nonexistent +# bit 15-14: 0, Cs3size =nonexistent +# bit 16: 0, Cs0AddrSel +# bit 17: 0, Cs1AddrSel +# bit 18: 0, Cs2AddrSel +# bit 19: 0, Cs3AddrSel +# bit 31-20: 0, required + +DATA 0xFFD01414 0x00000000 # DDR Open Pages Control +# bit 0: 0, OpenPage enabled +# bit 31-1: 0, required + +DATA 0xFFD01418 0x00000000 # DDR Operation +# bit 3-0: 0, DDR cmd +# bit 31-4: 0, required + +DATA 0xFFD0141C 0x00000652 # DDR Mode +# bit 2-0: 2, Burst Length = 4 +# bit 3: 0, Burst Type +# bit 6-4: 5, CAS Latency = 5 +# bit 7: 0, Test mode +# bit 8: 0, DLL Reset +# bit 11-9: 3, Write recovery for auto-precharge must be 3 +# bit 12: 0, Active power down exit time, fast exit +# bit 14-13: 0, reserved +# bit 31-15: 0, reserved + +DATA 0xFFD01420 0x00000006 # DDR Extended Mode +# bit 0: 0, DDR DLL enabled +# bit 1: 1, DDR drive strength reduced +# bit 2: 1, DDR ODT control lsb, 75 ohm termination [RTT0] +# bit 5-3: 0, required +# bit 6: 0, DDR ODT control msb, 75 ohm termination [RTT1] +# bit 9-7: 0, required +# bit 10: 0, differential DQS enabled +# bit 11: 0, required +# bit 12: 0, DDR output buffer enabled +# bit 31-13: 0 required + +DATA 0xFFD01424 0x0000F17F # DDR Controller Control High +# bit 2-0: 7, required +# bit 3: 1, MBUS Burst Chop disabled +# bit 6-4: 7, required +# bit 7: 0, reserved +# bit 8: 1, add sample stage required for f > 266 MHz +# bit 9: 0, no half clock cycle addition to dataout +# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals +# bit 11: 0, 1/4 clock cycle skew disabled for write mesh +# bit 15-12:0xf, required +# bit 31-16: 0, required + +DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low +# bit 3-0: 0, required +# bit 7-4: 2, M_ODT assertion 2 cycles after read start command +# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command +# (ODT turn off delay 2,5 clk cycles) +# bit 15-12: 4, internal ODT time based on bit 7-4 +# with the considered SDRAM internal delay +# bit 19-16: 8, internal ODT de-assertion based on bit 11-8 +# with the considered SDRAM internal delay +# bit 31-20: 0, required + +DATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High +# bit 3-0: 2, M_ODT assertion same as bit 11-8 +# bit 7-4: 5, M_ODT de-assertion same as bit 15-12 +# bit 11-8: 4, internal ODT assertion 2 cycles after write start command +# with the considered SDRAM internal delay +# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command +# with the considered SDRAM internal delay + +DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 +# bit 23-0: 0, reserved +# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24] + +DATA 0xFFD01504 0x0FFFFFF1 # CS[0]n Size +# bit 0: 1, Window enabled +# bit 1: 0, Write Protect disabled +# bit 3-2: 0, CS0 hit selected +# bit 23-4:ones, required +# bit 31-24: 0x0F, Size (i.e. 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 0x00010000 # DDR ODT Control (Low) +# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0 +# bit 7-4: 0, ODT0Rd, MODT[1] not asserted +# bit 11-8: 0, required +# big 15-11: 0, required +# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 +# bit 23-20: 0, ODT0Wr, MODT[1] not asserted +# bit 27-24: 0, required +# bit 31-28: 0, required + +DATA 0xFFD01498 0x00000000 # DDR ODT Control (High) +# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above +# bit 3-2: 0, ODT1 controlled by register +# bit 31-4: 0, required + +DATA 0xFFD0149C 0x0000E801 # CPU ODT Control +# bit 3-0: 1, ODTRd, Internal ODT asserted during read from DRAM bank0 +# bit 7-4: 0, ODTWr, Internal ODT not asserted during write to DRAM +# bit 9-8: 0, ODTEn, controlled by ODTRd and ODTWr +# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm +# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm +# bit 14: 1, STARTBURST ODT enabled +# bit 15: 1, Use ODT Block + +DATA 0xFFD01480 0x00000001 # DDR Initialization Control +# bit 0: 1, enable DDR init upon this register write +# bit 31-1: 0, reserved + +# End of Header extension +DATA 0x0 0x0 diff --git a/board/keymile/km_arm/kwbimage_256M8_1.cfg b/board/keymile/km_arm/kwbimage_256M8_1.cfg new file mode 100644 index 0000000..3e1237b --- /dev/null +++ b/board/keymile/km_arm/kwbimage_256M8_1.cfg @@ -0,0 +1,296 @@ +# +# (C) Copyright 2012 +# Stefan Bigler, Keymile AG, stefan.bigler@keymile.com +# Norbert Mayer, Keymile AG, norbert.mayer@keymile.com +# Deepak Patel, XENTECH Limited, deepak.patel@xentech.co.uk +# +# 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 +# +# This configuration applies to COGE5 design (ARM-part) +# Two 8-Bit devices are connected on the 16-Bit bus on the same +# chip-select. The supported devices are +# MT47H256M8EB-3IT:C +# MT47H256M8EB-25EIT:C + +# Boot Media configurations +BOOT_FROM spi # Boot from SPI flash + +DATA 0xFFD10000 0x01112222 # MPP Control 0 Register +# bit 3-0: 2, MPPSel0 SPI_CSn (1=NF_IO[2]) +# bit 7-4: 2, MPPSel1 SPI_MOSI (1=NF_IO[3]) +# bit 12-8: 2, MPPSel2 SPI_SCK (1=NF_IO[4]) +# bit 15-12: 2, MPPSel3 SPI_MISO (1=NF_IO[5]) +# bit 19-16: 1, MPPSel4 NF_IO[6] +# bit 23-20: 1, MPPSel5 NF_IO[7] +# bit 27-24: 1, MPPSel6 SYSRST_O +# bit 31-28: 0, MPPSel7 GPO[7] + +DATA 0xFFD10004 0x03303300 # MPP Control 1 Register +# bit 3-0: 0, MPPSel8 GPIO[8] CPU_SDA bitbanged +# bit 7-4: 0, MPPSel9 GPIO[9] CPU_SCL bitbanged +# bit 12-8: 3, MPPSel10 UA0_TXD +# bit 15-12: 3, MPPSel11 UA0_RXD +# bit 19-16: 0, MPPSel12 not connected +# bit 23-20: 3, MPPSel13 GPIO[14] +# bit 27-24: 3, MPPSel14 GPIO[15] +# bit 31-28: 0, MPPSel15 GPIO[16] BOOT_FL_SEL (SPI-MUX Signal) + +DATA 0xFFD10008 0x00001100 # MPP Control 2 Register +# bit 3-0: 0, MPPSel16 GPIO[16] +# bit 7-4: 0, MPPSel17 not connected +# bit 11-8: 1, MPPSel18 NF_IO[0] +# bit 15-12: 1, MPPSel19 NF_IO[1] +# bit 19-16: 0, MPPSel20 GPIO[20] +# bit 23-20: 0, MPPSel21 GPIO[21] +# bit 27-24: 0, MPPSel22 GPIO[22] +# bit 31-28: 0, MPPSel23 GPIO[23] + +# MPP Control 3-6 Register untouched (MPP24-49) + +DATA 0xFFD100E0 0x1B1B1B1B # IO Configuration 0 Register +# bit 2-0: 3, Reserved +# bit 5-3: 3, Reserved +# bit 6: 0, Reserved +# bit 7: 0, RGMII-pads voltage = 3.3V +# bit 10-8: 3, Reserved +# bit 13-11: 3, Reserved +# bit 14: 0, Reserved +# bit 15: 0, MPP RGMII-pads voltage = 3.3V +# bit 31-16 0x1B1B, Reserved + +DATA 0xFFD20134 0x66666666 # L2 RAM Timing 0 Register +# bit 0-1: 2, Tag RAM RTC RAM0 +# bit 3-2: 1, Tag RAM WTC RAM0 +# bit 7-4: 6, Reserved +# bit 9-8: 2, Valid RAM RTC RAM +# bit 11-10: 1, Valid RAM WTC RAM +# bit 13-12: 2, Dirty RAM RTC RAM +# bit 15-14: 1, Dirty RAM WTC RAM +# bit 17-16: 2, Data RAM RTC RAM0 +# bit 19-18: 1, Data RAM WTC RAM0 +# bit 21-20: 2, Data RAM RTC RAM1 +# bit 23-22: 1, Data RAM WTC RAM1 +# bit 25-24: 2, Data RAM RTC RAM2 +# bit 27-26: 1, Data RAM WTC RAM2 +# bit 29-28: 2, Data RAM RTC RAM3 +# bit 31-30: 1, Data RAM WTC RAM4 + +DATA 0xFFD20138 0x66666666 # L2 RAM Timing 1 Register +# bit 15-0: ?, Reserved +# bit 17-16: 2, ECC RAM RTC RAM0 +# bit 19-18: 1, ECC RAM WTC RAM0 +# bit 31-20: ?,Reserved + +DATA 0xFFD20154 0x00000200 # CPU RAM Management Control3 Register +# bit 23-0: 0x000200, Addr Config tuning +# bit 31-24: 0, Reserved + +# ??? Missing register # CPU RAM Management Control2 Register + +DATA 0xFFD2014C 0x00001C00 # CPU RAM Management Control1 Register +# bit 15-0: 0x1C00, Opmux Tuning +# bit 31-16: 0, Pc Dp Tuning + +DATA 0xFFD20148 0x00000001 # CPU RAM Management Control0 Register +# bit 1-0: 1, addr clk tune +# bit 3-2: 0, reserved +# bit 5-4: 0, dtcmp clk tune +# bit 7-6: 0, reserved +# bit 9-8: 0, macdrv clk tune +# bit 11-10: 0, opmuxgm2 clk tune +# bit 15-14: 0, rf clk tune +# bit 17-16: 0, rfbypass clk tune +# bit 19-18: 0, pc dp clk tune +# bit 23-20: 0, icache clk tune +# bit 27:24: 0, dcache clk tune +# bit 31:28: 0, regfile tunin + +# SDRAM initalization +DATA 0xFFD01400 0x430004E0 # SDRAM Configuration Register +# bit 13-0: 0x4E0, DDR2 clks refresh rate +# bit 14: 0, reserved +# bit 15: 0, reserved +# bit 16: 0, CPU to Dram Write buffer policy +# bit 17: 0, Enable Registered DIMM or Equivalent Sampling Logic +# bit 19-18: 0, reserved +# bit 23-20: 0, reserved +# bit 24: 1, enable exit self refresh mode on DDR access +# bit 25: 1, required +# bit 29-26: 0, reserved +# bit 31-30: 1, reserved + +DATA 0xFFD01404 0x36543000 # DDR Controller Control Low +# bit 3-0: 0, reserved +# bit 4: 0, 2T mode =addr/cmd in same 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 +# bit 7-11: 0, reserved +# bit 12-13: 1, reserved, required 1 +# bit 14: 0, input buffer always powered up +# bit 17-15: 0, reserved +# bit 18: 1, cpu lock transaction enabled +# bit 19: 0, reserved +# bit 23-20: 5, recommended value for CL=4 and STARTBURST_DEL disabled bit31=0 +# bit 27-24: 6, CL+1, STARTBURST sample stages, freq 200-399MHz, unbuffer DIMM +# bit 30-28: 3, required +# bit 31: 0, no additional STARTBURST delay + +DATA 0xFFD01408 0x2202444E # DDR Timing (Low) (active cycles value +1) +# bit 3-0: 0xe, TRAS = 45ns -> 15 clk cycles +# bit 7-4: 0x4, TRCD = 15ns -> 5 clk cycles +# bit 11-8: 0x4, TRP = 15ns -> 5 clk cycles +# bit 15-12: 0x4, TWR = 15ns -> 5 clk cycles +# bit 19-16: 0x2, TWTR = 7,5ns -> 3 clk cycles +# bit 20: 0, extended TRAS msb +# bit 23-21: 0, reserved +# bit 27-24: 0x2, TRRD = 7,5ns -> 3 clk cycles +# bit 31-28: 0x2, TRTP = 7,5ns -> 3 clk cycles + +DATA 0xFFD0140C 0x0000003E # DDR Timing (High) +# bit 6-0: 0x3E, TRFC = 195ns -> 63 clk cycles +# bit 8-7: 0, TR2R +# bit 10-9: 0, TR2W +# bit 12-11: 0, TW2W +# bit 31-13: 0, reserved + +DATA 0xFFD01410 0x00000000 # DDR Address Control +# bit 1-0: 0, Cs0width=x8 (2 devices) +# bit 3-2: 0, Cs0size=2Gb +# bit 5-4: 0, Cs1width=nonexistent +# bit 7-6: 0, Cs1size =nonexistent +# bit 9-8: 0, Cs2width=nonexistent +# bit 11-10: 0, Cs2size =nonexistent +# bit 13-12: 0, Cs3width=nonexistent +# bit 15-14: 0, Cs3size =nonexistent +# bit 16: 0, Cs0AddrSel +# bit 17: 0, Cs1AddrSel +# bit 18: 0, Cs2AddrSel +# bit 19: 0, Cs3AddrSel +# bit 31-20: 0, required + +DATA 0xFFD01414 0x00000000 # DDR Open Pages Control +# bit 0: 0, OpenPage enabled +# bit 31-1: 0, required + +DATA 0xFFD01418 0x00000000 # DDR Operation +# bit 3-0: 0, DDR cmd +# bit 31-4: 0, required + +DATA 0xFFD0141C 0x00000652 # DDR Mode +# bit 2-0: 2, Burst Length = 4 +# bit 3: 0, Burst Type +# bit 6-4: 5, CAS Latency = 5 +# bit 7: 0, Test mode +# bit 8: 0, DLL Reset +# bit 11-9: 3, Write recovery for auto-precharge must be 3 +# bit 12: 0, Active power down exit time, fast exit +# bit 14-13: 0, reserved +# bit 31-15: 0, reserved + +DATA 0xFFD01420 0x00000006 # DDR Extended Mode +# bit 0: 0, DDR DLL enabled +# bit 1: 1, DDR drive strenght reduced +# bit 2: 1, DDR ODT control lsb, 75ohm termination [RTT0] +# bit 5-3: 0, required +# bit 6: 0, DDR ODT control msb, 75ohm termination [RTT1] +# bit 9-7: 0, required +# bit 10: 0, differential DQS enabled +# bit 11: 0, required +# bit 12: 0, DDR output buffer enabled +# bit 31-13: 0 required + +DATA 0xFFD01424 0x0000F17F # DDR Controller Control High +# bit 2-0: 7, required +# bit 3: 1, MBUS Burst Chop disabled +# bit 6-4: 7, required +# bit 7: 0, reserved +# bit 8: 1, add sample stage required for > 266Mhz +# bit 9: 0, no half clock cycle addition to dataout +# bit 10: 0, 1/4 clock cycle skew enabled for addr/ctl signals +# bit 11: 0, 1/4 clock cycle skew disabled for write mesh +# bit 15-12:0xf, required +# bit 31-16: 0, required + +DATA 0xFFD01428 0x00084520 # DDR2 SDRAM Timing Low +# bit 3-0: 0, required +# bit 7-4: 2, M_ODT assertion 2 cycles after read start command +# bit 11-8: 5, M_ODT de-assertion 5 cycles after read start command +# (ODT turn off delay 2,5 clk cycles) +# bit 15-12: 4, internal ODT time based on bit 7-4 +# with the considered SDRAM internal delay +# bit 19-16: 8, internal ODT de-assertion based on bit 11-8 +# with the considered SDRAM internal delay +# bit 31-20: 0, required + +DATA 0xFFD0147c 0x00008452 # DDR2 SDRAM Timing High +# bit 3-0: 2, M_ODT assertion same as bit 11-8 +# bit 7-4: 5, M_ODT de-assertion same as bit 15-12 +# bit 11-8: 4, internal ODT assertion 2 cycles after write start command +# with the considered SDRAM internal delay +# bit 15-12: 8, internal ODT de-assertion 5 cycles after write start command +# with the considered SDRAM internal delay + +DATA 0xFFD01500 0x00000000 # CS[0]n Base address to 0x0 +# bit 23-0: 0, reserved +# bit 31-24: 0, CPU CS Window0 Base Address, addr bits [31:24] + +DATA 0xFFD01504 0x1FFFFFF1 # CS[0]n Size +# bit 0: 1, Window enabled +# bit 1: 0, Write Protect disabled +# bit 3-2: 0, CS0 hit selected +# bit 23-4:ones, required +# bit 31-24:0x1F, Size (i.e. 512MB) + +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 0x00010000 # DDR ODT Control (Low) +# bit 3-0: 0, ODT0Rd, MODT[0] not asserted during read from DRAM CS0 +# bit 7-4: 0, ODT0Rd, MODT[1] not asserted +# bit 11-8: 0, required +# big 15-11: 0, required +# bit 19-16: 1, ODT0Wr, MODT[0] asserted during write to DRAM CS0 +# bit 23-20: 0, ODT0Wr, MODT[1] not asserted +# bit 27-24: 0, required +# bit 31-28: 0, required + +DATA 0xFFD01498 0x00000004 # DDR ODT Control (High) +# bit 1-0: 0, ODT0 controlled by ODT Control (low) register above +# bit 3-2: 1, ODT1 never active +# bit 31-4: 0, required + +DATA 0xFFD0149C 0x0000E801 # CPU ODT Control +# bit 3-0: 1, ODT0Rd, Internal ODT asserted during read from DRAM bank0 +# bit 7-4: 0, ODT0Wr, Internal ODT not asserted during write to DRAM bank0 +# bit 9-8: 0, ODTEn, controlled by ODT0Rd and ODT0Wr +# bit 11-10: 2, DQ_ODTSel. ODT select turned on, 75 ohm +# bit 13-12: 2, STARTBURST ODT buffer selected, 75 ohm +# bit 14: 1, STARTBURST ODT enabled +# bit 15: 1, Use ODT Block + +DATA 0xFFD01480 0x00000001 # DDR Initialization Control +# bit 0: 1, enable DDR init upon this register write +# bit 31-1: 0, reserved + +# End of Header extension +DATA 0x0 0x0 |