X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2FBuS%2Feb_cpux9k2%2Fcpux9k2.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2FBuS%2Feb_cpux9k2%2Fcpux9k2.c;h=5e4778e97881dd35f6793ae108c3e82019938108;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/BuS/eb_cpux9k2/cpux9k2.c b/qemu/roms/u-boot/board/BuS/eb_cpux9k2/cpux9k2.c new file mode 100644 index 000000000..5e4778e97 --- /dev/null +++ b/qemu/roms/u-boot/board/BuS/eb_cpux9k2/cpux9k2.c @@ -0,0 +1,373 @@ +/* + * (C) Copyright 2008-2009 + * BuS Elektronik GmbH & Co. KG + * Jens Scharsig + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +#ifdef CONFIG_STATUS_LED +#include +#endif + +#ifdef CONFIG_VIDEO +#include + +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[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->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", + " <0..1000>\n side: 0/3=both; 1=first; 2=second\n" +); + +/* EOF cpu9k2.c */