diff options
Diffstat (limited to 'board/BuS')
| -rw-r--r-- | board/BuS/eb_cpux9k2/Makefile | 50 | ||||
| -rw-r--r-- | board/BuS/eb_cpux9k2/config.mk | 1 | ||||
| -rw-r--r-- | board/BuS/eb_cpux9k2/cpux9k2.c | 387 |
3 files changed, 438 insertions, 0 deletions
diff --git a/board/BuS/eb_cpux9k2/Makefile b/board/BuS/eb_cpux9k2/Makefile new file mode 100644 index 0000000..8171a7d --- /dev/null +++ b/board/BuS/eb_cpux9k2/Makefile @@ -0,0 +1,50 @@ +# +# (C) Copyright 2003-2006 +# 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).a + +COBJS := cpux9k2.o + +SRCS := $(SOBJS:.o=.S) $(COBJS:.o=.c) +OBJS := $(addprefix $(obj),$(COBJS)) +SOBJS := $(addprefix $(obj),$(SOBJS)) + +$(LIB): $(obj).depend $(OBJS) $(SOBJS) + $(AR) $(ARFLAGS) $@ $(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/BuS/eb_cpux9k2/config.mk b/board/BuS/eb_cpux9k2/config.mk new file mode 100644 index 0000000..ff2cfd1 --- /dev/null +++ b/board/BuS/eb_cpux9k2/config.mk @@ -0,0 +1 @@ +TEXT_BASE = 0x23f00000 diff --git a/board/BuS/eb_cpux9k2/cpux9k2.c b/board/BuS/eb_cpux9k2/cpux9k2.c new file mode 100644 index 0000000..1f22275 --- /dev/null +++ b/board/BuS/eb_cpux9k2/cpux9k2.c @@ -0,0 +1,387 @@ +/* + * (C) Copyright 2008-2009 + * BuS Elektronik GmbH & Co. KG <www.bus-elektronik.de> + * Jens Scharsig <esw@bus-elektronik.de> + * + * See file CREDITS for list of people who contributed to this + * project. + * + * This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU General Public License as + * published by the Free Software Foundation; either version 2 of + * the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program; if not, write to the Free Software + * Foundation, Inc., 59 Temple Place, Suite 330, Boston, + * MA 02111-1307 USA + */ + +#include <common.h> +#include <exports.h> +#include <net.h> +#include <netdev.h> +#include <nand.h> + +#include <asm/io.h> +#include <asm/arch/hardware.h> +#include <asm/arch/at91_pio.h> +#include <asm/arch/at91_pmc.h> +#include <asm/arch/at91_mc.h> + +#ifdef CONFIG_STATUS_LED +#include <status_led.h> +#endif + +#ifdef CONFIG_VIDEO +#include <bus_vcxk.h> + +extern unsigned long display_width; +extern unsigned long display_height; +#endif + +#ifdef CONFIG_CMD_NAND +void cpux9k2_nand_hw_init(void); +#endif + +DECLARE_GLOBAL_DATA_PTR; + +/* + * Miscelaneous platform dependent initialisations + */ + +int board_init(void) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + /* Enable Ctrlc */ + console_init_f(); + + /* Correct IRDA resistor problem / Set PA23_TXD in Output */ + writel(AT91_PMX_AA_TXD2, &pio->pioa.oer); + + gd->bd->bi_arch_number = MACH_TYPE_EB_CPUX9K2; + /* adress of boot parameters */ + gd->bd->bi_boot_params = PHYS_SDRAM + 0x100; + +#ifdef CONFIG_STATUS_LED + status_led_set(STATUS_LED_BOOT, STATUS_LED_ON); +#endif +#ifdef CONFIG_CMD_NAND + cpux9k2_nand_hw_init(); +#endif + return 0; +} + +#ifdef CONFIG_MISC_INIT_R + +int misc_init_r(void) +{ + uchar mac[8]; + uchar tm; + uchar midx; + uchar macn6, macn7; + +#ifdef CONFIG_NET_MULTI + if (getenv("ethaddr") == NULL) { + if (i2c_read(CONFIG_SYS_I2C_EEPROM_ADDR, 0x00, + CONFIG_SYS_I2C_EEPROM_ADDR_LEN, + (uchar *) &mac, sizeof(mac)) != 0) { + puts("Error reading MAC from EEPROM\n"); + } else { + tm = 0; + macn6 = 0; + macn7 = 0xFF; + for (midx = 0; midx < 6; midx++) { + if ((mac[midx] != 0) && (mac[midx] != 0xFF)) + tm++; + macn6 += mac[midx]; + macn7 ^= mac[midx]; + } + if ((macn6 != mac[6]) || (macn7 != mac[7])) + tm = 0; + if (tm) + eth_setenv_enetaddr("ethaddr", mac); + else + puts("Error: invalid MAC at EEPROM\n"); + } + } +#endif + gd->jt[XF_do_reset] = (void *) do_reset; + +#ifdef CONFIG_STATUS_LED + status_led_set(STATUS_LED_BOOT, STATUS_LED_BLINKING); +#endif + return 0; +} +#endif + +#ifdef CONFIG_RESET_PHY_R +void reset_phy(void) +{ + udelay(10000); + eth_init(gd->bd); +} +#endif + +/* + * DRAM initialisations + */ + +int dram_init(void) +{ + gd->bd->bi_dram[0].start = PHYS_SDRAM; + gd->bd->bi_dram[0].size = + get_ram_size((volatile long *) PHYS_SDRAM, PHYS_SDRAM_SIZE); + return 0; +} + +/* + * Ethernet initialisations + */ + +#ifdef CONFIG_DRIVER_AT91EMAC +int board_eth_init(bd_t *bis) +{ + int rc = 0; + rc = at91emac_register(bis, (u32) AT91_EMAC_BASE); + return rc; +} +#endif + +/* + * Disk On Chip (NAND) Millenium initialization. + * The NAND lives in the CS2* space + */ +#if defined(CONFIG_CMD_NAND) + +#define MASK_ALE (1 << 22) /* our ALE is AD22 */ +#define MASK_CLE (1 << 21) /* our CLE is AD21 */ + +void cpux9k2_nand_hw_init(void) +{ + unsigned long csr; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_mc_t *mc = (at91_mc_t *) AT91_MC_BASE; + + /* Setup Smart Media, fitst enable the address range of CS3 */ + writel(readl(&mc->ebi.csa) | AT91_EBI_CSA_CS3A, &mc->ebi.csa); + + /* RWH = 1 | RWS = 0 | TDF = 1 | NWS = 3 */ + csr = AT91_SMC_CSR_RWHOLD(1) | AT91_SMC_CSR_TDF(1) | + AT91_SMC_CSR_NWS(3) | + AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_8 | + AT91_SMC_CSR_WSEN; + writel(csr, &mc->smc.csr[3]); + + writel(AT91_PMX_CA_SMOE | AT91_PMX_CA_SMWE, &pio->pioc.asr); + writel(AT91_PMX_CA_BFCK | AT91_PMX_CA_SMOE | AT91_PMX_CA_SMWE, + &pio->pioc.pdr); + + /* Configure PC2 as input (signal Nand READY ) */ + writel(AT91_PMX_CA_BFAVD, &pio->pioc.per); + writel(AT91_PMX_CA_BFAVD, &pio->pioc.odr); /* disable output */ + writel(AT91_PMX_CA_BFCK, &pio->pioc.codr); + + /* PIOC clock enabling */ + writel(1 << AT91_ID_PIOC, &pmc->pcer); +} + +static void board_nand_hwcontrol(struct mtd_info *mtd, + int cmd, unsigned int ctrl) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + struct nand_chip *this = mtd->priv; + ulong IO_ADDR_W = (ulong) this->IO_ADDR_W; + + if (ctrl & NAND_CTRL_CHANGE) { + IO_ADDR_W &= ~(MASK_ALE | MASK_CLE); + + if (ctrl & NAND_CLE) + IO_ADDR_W |= MASK_CLE; + if (ctrl & NAND_ALE) + IO_ADDR_W |= MASK_ALE; + + if ((ctrl & NAND_NCE)) + writel(1, &pio->pioc.codr); + else + writel(1, &pio->pioc.sodr); + + this->IO_ADDR_W = (void *) IO_ADDR_W; + } + if (cmd != NAND_CMD_NONE) + writeb(cmd, this->IO_ADDR_W); +} + +static int board_nand_dev_ready(struct mtd_info *mtd) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + return ((readl(&pio->pioc.pdsr) & (1 << 2)) != 0); +} + +int board_nand_init(struct nand_chip *nand) +{ + cpux9k2_nand_hw_init(); + nand->ecc.mode = NAND_ECC_SOFT; + nand->cmd_ctrl = board_nand_hwcontrol; + nand->dev_ready = board_nand_dev_ready; + nand->chip_delay = 20; + return 0; +} + +#endif + +#if defined(CONFIG_VIDEO) +/* + * drv_video_init + * FUNCTION: initialize VCxK device + */ + +int drv_video_init(void) +{ +#ifdef CONFIG_SPLASH_SCREEN + unsigned long splash; +#endif + char *s; + unsigned long csr; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_mc_t *mc = (at91_mc_t *) AT91_MC_BASE; + + printf("Init Video as "); + s = getenv("displaywidth"); + if (s != NULL) + display_width = simple_strtoul(s, NULL, 10); + else + display_width = 256; + s = getenv("displayheight"); + if (s != NULL) + display_height = simple_strtoul(s, NULL, 10); + else + display_height = 256; + printf("%ld x %ld pixel matrix\n", display_width, display_height); + + /* RWH = 7 | RWS =7 | TDF = 15 | NWS = 0x7F */ + csr = AT91_SMC_CSR_RWHOLD(7) | AT91_SMC_CSR_RWSETUP(7) | + AT91_SMC_CSR_TDF(15) | AT91_SMC_CSR_NWS(127) | + AT91_SMC_CSR_ACSS_STANDARD | AT91_SMC_CSR_DBW_16 | + AT91_SMC_CSR_BAT_16 | AT91_SMC_CSR_WSEN; + writel(csr, &mc->smc.csr[2]); + writel(1 << AT91_ID_PIOB, &pmc->pcer); + + vcxk_init(display_width, display_height); +#ifdef CONFIG_SPLASH_SCREEN + s = getenv("splashimage"); + if (s != NULL) { + splash = simple_strtoul(s, NULL, 16); + printf("use splashimage: %lx\n", splash); + video_display_bitmap(splash, 0, 0); + } +#endif + return 0; +} +#endif + +#ifdef CONFIG_SOFT_I2C + +void i2c_init_board(void) +{ + u32 pin; + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + writel(1 << AT91_ID_PIOA, &pmc->pcer); + pin = AT91_PMX_AA_TWD | AT91_PMX_AA_TWCK; + writel(pin, &pio->pioa.idr); + writel(pin, &pio->pioa.pudr); + writel(pin, &pio->pioa.per); + writel(pin, &pio->pioa.oer); + writel(pin, &pio->pioa.sodr); +} + +#endif + +/*--------------------------------------------------------------------------*/ + +#ifdef CONFIG_STATUS_LED + +void __led_toggle(led_id_t mask) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + if (readl(&pio->piod.odsr) & mask) + writel(mask, &pio->piod.codr); + else + writel(mask, &pio->piod.codr); +} + +void __led_init(led_id_t mask, int state) +{ + at91_pmc_t *pmc = (at91_pmc_t *) AT91_PMC_BASE; + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + + writel(1 << AT91_ID_PIOD, &pmc->pcer); /* Enable PIOB clock */ + /* Disable peripherals on LEDs */ + writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.per); + /* Enable pins as outputs */ + writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.oer); + /* Turn all LEDs OFF */ + writel(STATUS_LED_BIT | STATUS_LED_BIT1, &pio->piod.sodr); + + __led_set(mask, state); +} + +void __led_set(led_id_t mask, int state) +{ + at91_pio_t *pio = (at91_pio_t *) AT91_PIO_BASE; + if (state == STATUS_LED_ON) + writel(mask, &pio->piod.codr); + else + writel(mask, &pio->piod.sodr); +} + +#endif + +/*---------------------------------------------------------------------------*/ + +int do_brightness(cmd_tbl_t *cmdtp, int flag, int argc, char *argv[]) +{ + int rcode = 0; + ulong side; + ulong bright; + + switch (argc) { + case 3: + side = simple_strtoul(argv[1], NULL, 10); + bright = simple_strtoul(argv[2], NULL, 10); + if ((side >= 0) && (side <= 3) && + (bright >= 0) && (bright <= 1000)) { + vcxk_setbrightness(side, bright); + rcode = 0; + } else { + printf("parameters out of range\n"); + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + } + break; + default: + printf("Usage:\n%s\n", cmdtp->usage); + rcode = 1; + break; + } + return rcode; +} + +/*---------------------------------------------------------------------------*/ + +U_BOOT_CMD( + bright, 3, 0, do_brightness, + "bright - sets the display brightness\n", + " <side> <0..1000>\n side: 0/3=both; 1=first; 2=second\n" +); + +/* EOF cpu9k2.c */ |