diff options
Diffstat (limited to 'board/BuS/eb_cpux9k2/cpux9k2.c')
| -rw-r--r-- | board/BuS/eb_cpux9k2/cpux9k2.c | 373 |
1 files changed, 0 insertions, 373 deletions
diff --git a/board/BuS/eb_cpux9k2/cpux9k2.c b/board/BuS/eb_cpux9k2/cpux9k2.c deleted file mode 100644 index 3880a06..0000000 --- a/board/BuS/eb_cpux9k2/cpux9k2.c +++ /dev/null @@ -1,373 +0,0 @@ -/* - * (C) Copyright 2008-2009 - * BuS Elektronik GmbH & Co. KG <www.bus-elektronik.de> - * Jens Scharsig <esw@bus-elektronik.de> - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#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> -#include <asm/arch/at91_common.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 *) ATMEL_BASE_PIO; - - /* Correct IRDA resistor problem / Set PA23_TXD in Output */ - writel(ATMEL_PMX_AA_TXD2, &pio->pioa.oer); - - gd->bd->bi_arch_number = MACH_TYPE_EB_CPUX9K2; - /* adress of boot parameters */ - gd->bd->bi_boot_params = CONFIG_SYS_SDRAM_BASE + 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; -} - -int board_early_init_f(void) -{ - at91_seriald_hw_init(); - return 0; -} - -#ifdef CONFIG_MISC_INIT_R - -int misc_init_r(void) -{ - uchar mac[8]; - uchar tm; - uchar midx; - uchar macn6, macn7; - - 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"); - } - } - gd->jt->do_reset = 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(); -} -#endif - -/* - * DRAM initialisations - */ - -int dram_init(void) -{ - gd->ram_size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, - CONFIG_SYS_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) ATMEL_BASE_EMAC); - 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 *) ATMEL_BASE_PIO; - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - at91_mc_t *mc = (at91_mc_t *) ATMEL_BASE_MC; - - /* 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(ATMEL_PMX_CA_SMOE | ATMEL_PMX_CA_SMWE, &pio->pioc.asr); - writel(ATMEL_PMX_CA_BFCK | ATMEL_PMX_CA_SMOE | ATMEL_PMX_CA_SMWE, - &pio->pioc.pdr); - - /* Configure PC2 as input (signal Nand READY ) */ - writel(ATMEL_PMX_CA_BFAVD, &pio->pioc.per); - writel(ATMEL_PMX_CA_BFAVD, &pio->pioc.odr); /* disable output */ - writel(ATMEL_PMX_CA_BFCK, &pio->pioc.codr); - - /* PIOC clock enabling */ - writel(1 << ATMEL_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 *) ATMEL_BASE_PIO; - 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 *) ATMEL_BASE_PIO; - 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 *) ATMEL_BASE_PMC; - at91_mc_t *mc = (at91_mc_t *) ATMEL_BASE_MC; - - 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 = 2 | RWS =2 | TDF = 4 | NWS = 0x6 */ - csr = AT91_SMC_CSR_RWHOLD(2) | AT91_SMC_CSR_RWSETUP(2) | - AT91_SMC_CSR_TDF(4) | AT91_SMC_CSR_NWS(6) | - 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 << ATMEL_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_SYS_I2C_SOFT - -void i2c_init_board(void) -{ - u32 pin; - at91_pmc_t *pmc = (at91_pmc_t *) ATMEL_BASE_PMC; - at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; - - writel(1 << ATMEL_ID_PIOA, &pmc->pcer); - pin = ATMEL_PMX_AA_TWD | ATMEL_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 *) ATMEL_BASE_PIO; - - 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 *) ATMEL_BASE_PMC; - at91_pio_t *pio = (at91_pio_t *) ATMEL_BASE_PIO; - - writel(1 << ATMEL_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 *) ATMEL_BASE_PIO; - 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 * const 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 */ |