diff options
Diffstat (limited to 'roms/u-boot/board/sysam')
-rw-r--r-- | roms/u-boot/board/sysam/amcore/Kconfig | 22 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/amcore/MAINTAINERS | 6 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/amcore/Makefile | 7 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/amcore/amcore.c | 120 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/stmark2/Kconfig | 15 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/stmark2/MAINTAINERS | 6 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/stmark2/Makefile | 8 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/stmark2/sbf_dram_init.S | 118 | ||||
-rw-r--r-- | roms/u-boot/board/sysam/stmark2/stmark2.c | 48 |
9 files changed, 350 insertions, 0 deletions
diff --git a/roms/u-boot/board/sysam/amcore/Kconfig b/roms/u-boot/board/sysam/amcore/Kconfig new file mode 100644 index 000000000..dd9816ec2 --- /dev/null +++ b/roms/u-boot/board/sysam/amcore/Kconfig @@ -0,0 +1,22 @@ +if TARGET_AMCORE + +config SYS_CPU + string + default "mcf530x" + +config SYS_BOARD + string + default "amcore" + +config SYS_VENDOR + string + default "sysam" + +config SYS_CONFIG_NAME + string + default "amcore" + +endif + + + diff --git a/roms/u-boot/board/sysam/amcore/MAINTAINERS b/roms/u-boot/board/sysam/amcore/MAINTAINERS new file mode 100644 index 000000000..fe5dd9bf3 --- /dev/null +++ b/roms/u-boot/board/sysam/amcore/MAINTAINERS @@ -0,0 +1,6 @@ +AMCORE BOARD +M: Angelo Dureghello <angelo@sysam.it> +S: Maintained +F: board/sysam/amcore/ +F: include/configs/amcore.h +F: configs/amcore_defconfig diff --git a/roms/u-boot/board/sysam/amcore/Makefile b/roms/u-boot/board/sysam/amcore/Makefile new file mode 100644 index 000000000..051186f0d --- /dev/null +++ b/roms/u-boot/board/sysam/amcore/Makefile @@ -0,0 +1,7 @@ +# +# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = amcore.o diff --git a/roms/u-boot/board/sysam/amcore/amcore.c b/roms/u-boot/board/sysam/amcore/amcore.c new file mode 100644 index 000000000..beab4e9d1 --- /dev/null +++ b/roms/u-boot/board/sysam/amcore/amcore.c @@ -0,0 +1,120 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Board functions for Sysam AMCORE (MCF5307 based) board + * + * (C) Copyright 2016 Angelo Dureghello <angelo@sysam.it> + * + * This file copies memory testdram() from sandburst/common/sb_common.c + */ + +#include <common.h> +#include <init.h> +#include <asm/global_data.h> +#include <asm/immap.h> +#include <asm/io.h> +#include <dm.h> +#include <dm/platform_data/serial_coldfire.h> + +DECLARE_GLOBAL_DATA_PTR; + +void init_lcd(void) +{ + /* setup for possible K0108 lcd connected on the parallel port */ + sim_t *sim = (sim_t *)(MMAP_SIM); + + out_be16(&sim->par, 0x300); + + gpio_t *gpio = (gpio_t *)(MMAP_GPIO); + + out_be16(&gpio->paddr, 0xfcff); + out_be16(&gpio->padat, 0x0c00); +} + +int checkboard(void) +{ + puts("Board: "); + puts("AMCORE v.001(alpha)\n"); + + init_lcd(); + + return 0; +} + +/* + * in dram_init we are here executing from flash + * case 1: + * is with no ACR/flash cache enabled + * nop = 40ns (scope measured) + */ +void fudelay(int usec) +{ + while (usec--) + asm volatile ("nop"); +} + +int dram_init(void) +{ + u32 dramsize, RC; + + sdramctrl_t *dc = (sdramctrl_t *)(MMAP_DRAMC); + + /* + * SDRAM MT48LC4M32B2 details + * Memory block 0: 16 MB of SDRAM at address $00000000 + * Port size: 32-bit port + * + * Memory block 0 wired as follows: + * CPU : A15 A14 A13 A12 A11 A10 A9 A17 A18 A19 A20 A21 A22 A23 + * SDRAM : A0 A1 A2 A3 A4 A5 A6 A7 A8 A9 A10 A11 BA0 BA1 + * + * Ensure that there is a delay of at least 100 microseconds from + * processor reset to the following code so that the SDRAM is ready + * for commands. + */ + fudelay(100); + + /* + * DCR + * set proper RC as per specification + */ + RC = (CONFIG_SYS_CPU_CLK / 1000000) >> 1; + RC = (RC * 15) >> 4; + + /* 0x8000 is the faster option */ + out_be16(&dc->dcr, 0x8200 | RC); + + /* + * DACR0, page mode continuous, CMD on A20 0x0300 + */ + out_be32(&dc->dacr0, 0x00003304); + + dramsize = ((CONFIG_SYS_SDRAM_SIZE)-1) & 0xfffc0000; + out_be32(&dc->dmr0, dramsize|1); + + /* issue a PRECHARGE ALL */ + out_be32(&dc->dacr0, 0x0000330c); + out_be32((u32 *)0x00000004, 0xbeaddeed); + /* issue AUTOREFRESH */ + out_be32(&dc->dacr0, 0x0000b304); + /* let refresh occur */ + fudelay(1); + + out_be32(&dc->dacr0, 0x0000b344); + out_be32((u32 *)0x00000c00, 0xbeaddeed); + + gd->ram_size = get_ram_size(CONFIG_SYS_SDRAM_BASE, + CONFIG_SYS_SDRAM_SIZE); + + return 0; +} + +static struct coldfire_serial_plat mcf5307_serial_plat = { + .base = CONFIG_SYS_UART_BASE, + .port = 0, + .baudrate = CONFIG_BAUDRATE, +}; + +U_BOOT_DRVINFO(coldfire_serial) = { + .name = "serial_coldfire", + .plat = &mcf5307_serial_plat, +}; diff --git a/roms/u-boot/board/sysam/stmark2/Kconfig b/roms/u-boot/board/sysam/stmark2/Kconfig new file mode 100644 index 000000000..87ab7ab7b --- /dev/null +++ b/roms/u-boot/board/sysam/stmark2/Kconfig @@ -0,0 +1,15 @@ +if TARGET_STMARK2 + +config SYS_CPU + default "mcf5445x" + +config SYS_BOARD + default "stmark2" + +config SYS_VENDOR + default "sysam" + +config SYS_CONFIG_NAME + default "stmark2" + +endif diff --git a/roms/u-boot/board/sysam/stmark2/MAINTAINERS b/roms/u-boot/board/sysam/stmark2/MAINTAINERS new file mode 100644 index 000000000..b87f432bb --- /dev/null +++ b/roms/u-boot/board/sysam/stmark2/MAINTAINERS @@ -0,0 +1,6 @@ +STMARK2 BOARD +M: Angelo Dureghello <angelo@sysam.it> +S: Maintained +F: board/sysam/stmark2/ +F: include/configs/stmark2.h +F: configs/stmark2_defconfig diff --git a/roms/u-boot/board/sysam/stmark2/Makefile b/roms/u-boot/board/sysam/stmark2/Makefile new file mode 100644 index 000000000..064a57ea0 --- /dev/null +++ b/roms/u-boot/board/sysam/stmark2/Makefile @@ -0,0 +1,8 @@ +# +# (C) Copyright 2014 Angelo Dureghello <angelo@sysam.it> +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = stmark2.o +extra-y += sbf_dram_init.o diff --git a/roms/u-boot/board/sysam/stmark2/sbf_dram_init.S b/roms/u-boot/board/sysam/stmark2/sbf_dram_init.S new file mode 100644 index 000000000..984b31b9d --- /dev/null +++ b/roms/u-boot/board/sysam/stmark2/sbf_dram_init.S @@ -0,0 +1,118 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Board-specific early ddr/sdram init. + * + * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it> + */ + +.equ PPMCR0, 0xfc04002d +.equ MSCR_SDRAMC, 0xec094060 +.equ MISCCR2, 0xec09001a +.equ DDR_RCR, 0xfc0b8180 +.equ DDR_PADCR, 0xfc0b81ac +.equ DDR_CR00, 0xfc0b8000 +.equ DDR_CR06, 0xfc0b8018 +.equ DDR_CR09, 0xfc0b8024 +.equ DDR_CR40, 0xfc0b80a0 +.equ DDR_CR45, 0xfc0b80b4 +.equ DDR_CR56, 0xfc0b80e0 + +.global sbf_dram_init +.text + +sbf_dram_init: + /* CD46 = DDR on */ + move.l #PPMCR0, %a1 + move.b #46, (%a1) + + /* stmark 2, max drive strength */ + move.l #MSCR_SDRAMC, %a1 + move.b #1, (%a1) + + /* + * use cpu clock, seems more realiable + * + * DDR2 clock is serviced from DDR controller as input clock / 2 + * so, if clock comes from + * vco, i.e. 480(vco) / 2, so ddr clock is 240 Mhz (measured) + * cpu, i.e. 250(cpu) / 2, so ddr clock is 125 Mhz (measured) + * + * . + * / \ DDR2 can't be clocked lower than 125Mhz + * / ! \ DDR2 init must pass further i/dcache enable test + * /_____\ + * WARNING + */ + + /* cpu / 2 = 125 Mhz for 480 Mhz pll */ + move.l #MISCCR2, %a1 + move.w #0xa01d, (%a1) + + /* DDR force sw reset settings */ + move.l #DDR_RCR, %a1 + move.l #0x00000000, (%a1) + move.l #0x40000000, (%a1) + + /* + * PAD_ODT_CS: for us seems both 1(75 ohm) and 2(150ohm) are good, + * 500/700 mV are ok + */ + move.l #DDR_PADCR, %a1 + move.l #0x01030203, (%a1) /* as freescale tower */ + + move.l #DDR_CR00, %a1 + move.l #0x01010101, (%a1)+ /* 0x00 */ + move.l #0x00000101, (%a1)+ /* 0x04 */ + move.l #0x01010100, (%a1)+ /* 0x08 */ + move.l #0x01010000, (%a1)+ /* 0x0C */ + move.l #0x00010101, (%a1)+ /* 0x10 */ + move.l #DDR_CR06, %a1 + move.l #0x00010100, (%a1)+ /* 0x18 */ + move.l #0x00000001, (%a1)+ /* 0x1C */ + move.l #0x01000001, (%a1)+ /* 0x20 */ + move.l #0x00000100, (%a1)+ /* 0x24 */ + move.l #0x00010001, (%a1)+ /* 0x28 */ + move.l #0x00000200, (%a1)+ /* 0x2C */ + move.l #0x01000002, (%a1)+ /* 0x30 */ + move.l #0x00000000, (%a1)+ /* 0x34 */ + move.l #0x00000100, (%a1)+ /* 0x38 */ + move.l #0x02000100, (%a1)+ /* 0x3C */ + move.l #0x02000407, (%a1)+ /* 0x40 */ + move.l #0x02030007, (%a1)+ /* 0x44 */ + move.l #0x02000100, (%a1)+ /* 0x48 */ + move.l #0x0A030203, (%a1)+ /* 0x4C */ + move.l #0x00020708, (%a1)+ /* 0x50 */ + move.l #0x00050008, (%a1)+ /* 0x54 */ + move.l #0x04030002, (%a1)+ /* 0x58 */ + move.l #0x00000004, (%a1)+ /* 0x5C */ + move.l #0x020A0000, (%a1)+ /* 0x60 */ + move.l #0x0C00000E, (%a1)+ /* 0x64 */ + move.l #0x00002004, (%a1)+ /* 0x68 */ + move.l #0x00000000, (%a1)+ /* 0x6C */ + move.l #0x00100010, (%a1)+ /* 0x70 */ + move.l #0x00100010, (%a1)+ /* 0x74 */ + move.l #0x00000000, (%a1)+ /* 0x78 */ + move.l #0x07990000, (%a1)+ /* 0x7C */ + move.l #DDR_CR40, %a1 + move.l #0x00000000, (%a1)+ /* 0xA0 */ + move.l #0x00C80064, (%a1)+ /* 0xA4 */ + move.l #0x44520002, (%a1)+ /* 0xA8 */ + move.l #0x00C80023, (%a1)+ /* 0xAC */ + move.l #DDR_CR45, %a1 + move.l #0x0000C350, (%a1) /* 0xB4 */ + move.l #DDR_CR56, %a1 + move.l #0x04000000, (%a1)+ /* 0xE0 */ + move.l #0x03000304, (%a1)+ /* 0xE4 */ + move.l #0x40040000, (%a1)+ /* 0xE8 */ + move.l #0xC0004004, (%a1)+ /* 0xEC */ + move.l #0x0642C000, (%a1)+ /* 0xF0 */ + move.l #0x00000642, (%a1)+ /* 0xF4 */ + move.l #DDR_CR09, %a1 + tpf + move.l #0x01000100, (%a1) /* 0x24 */ + + move.l #0x2000, %d1 + bsr asm_delay + + + rts diff --git a/roms/u-boot/board/sysam/stmark2/stmark2.c b/roms/u-boot/board/sysam/stmark2/stmark2.c new file mode 100644 index 000000000..d48da48b6 --- /dev/null +++ b/roms/u-boot/board/sysam/stmark2/stmark2.c @@ -0,0 +1,48 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Board-specific init. + * + * (C) Copyright 2017 Angelo Dureghello <angelo@sysam.it> + */ + +#include <common.h> +#include <init.h> +#include <spi.h> +#include <asm/global_data.h> +#include <asm/io.h> +#include <asm/immap.h> +#include <mmc.h> +#include <fsl_esdhc.h> + +DECLARE_GLOBAL_DATA_PTR; + +int checkboard(void) +{ + /* + * need to to: + * Check serial flash size. if 2mb evb, else 8mb demo + */ + puts("Board: "); + puts("Sysam stmark2\n"); + return 0; +} + +int dram_init(void) +{ + u32 dramsize; + + /* + * Serial Boot: The dram is already initialized in start.S + * only require to return DRAM size + */ + dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; + + gd->ram_size = dramsize; + + return 0; +} + +int testdram(void) +{ + return 0; +} |