X-Git-Url: https://gerrit.opnfv.org/gerrit/gitweb?a=blobdiff_plain;f=qemu%2Froms%2Fu-boot%2Fboard%2FBuS%2Feb_cpu5282%2Feb_cpu5282.c;fp=qemu%2Froms%2Fu-boot%2Fboard%2FBuS%2Feb_cpu5282%2Feb_cpu5282.c;h=2164b52dee0926e979ace5b8501411a27dd285de;hb=e44e3482bdb4d0ebde2d8b41830ac2cdb07948fb;hp=0000000000000000000000000000000000000000;hpb=9ca8dbcc65cfc63d6f5ef3312a33184e1d726e00;p=kvmfornfv.git diff --git a/qemu/roms/u-boot/board/BuS/eb_cpu5282/eb_cpu5282.c b/qemu/roms/u-boot/board/BuS/eb_cpu5282/eb_cpu5282.c new file mode 100644 index 000000000..2164b52de --- /dev/null +++ b/qemu/roms/u-boot/board/BuS/eb_cpu5282/eb_cpu5282.c @@ -0,0 +1,264 @@ +/* + * (C) Copyright 2005-2009 + * BuS Elektronik GmbH & Co.KG + * + * (C) Copyright 2000-2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include +#include +#include "asm/m5282.h" +#include +#include +#include + +/*---------------------------------------------------------------------------*/ + +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_VIDEO +unsigned long display_width; +unsigned long display_height; +#endif + +/*---------------------------------------------------------------------------*/ + +int checkboard (void) +{ + puts("Board: EB+CPU5282 (BuS Elektronik GmbH & Co. KG)\n"); +#if (CONFIG_SYS_TEXT_BASE == CONFIG_SYS_INT_FLASH_BASE) + puts(" Boot from Internal FLASH\n"); +#endif + return 0; +} + +phys_size_t initdram (int board_type) +{ + int size, i; + + size = 0; + MCFSDRAMC_DCR = MCFSDRAMC_DCR_RTIM_6 | + MCFSDRAMC_DCR_RC((15 * CONFIG_SYS_CLK / 1000000) >> 4); + asm (" nop"); +#ifdef CONFIG_SYS_SDRAM_BASE0 + MCFSDRAMC_DACR0 = MCFSDRAMC_DACR_BASE(CONFIG_SYS_SDRAM_BASE0)| + MCFSDRAMC_DACR_CASL(1) | MCFSDRAMC_DACR_CBM(3) | + MCFSDRAMC_DACR_PS_32; + asm (" nop"); + + MCFSDRAMC_DMR0 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + asm (" nop"); + + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IP; + asm (" nop"); + for (i = 0; i < 10; i++) + asm (" nop"); + + *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0) = 0xA5A5A5A5; + asm (" nop"); + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_RE; + asm (" nop"); + + for (i = 0; i < 2000; i++) + asm (" nop"); + + MCFSDRAMC_DACR0 |= MCFSDRAMC_DACR_IMRS; + asm (" nop"); + /* write SDRAM mode register */ + *(unsigned long *)(CONFIG_SYS_SDRAM_BASE0 + 0x80440) = 0xA5A5A5A5; + asm (" nop"); + size += CONFIG_SYS_SDRAM_SIZE0 * 1024 * 1024; +#endif +#ifdef CONFIG_SYS_SDRAM_BASE1xx + MCFSDRAMC_DACR1 = MCFSDRAMC_DACR_BASE (CONFIG_SYS_SDRAM_BASE1) + | MCFSDRAMC_DACR_CASL (1) + | MCFSDRAMC_DACR_CBM (3) + | MCFSDRAMC_DACR_PS_16; + + MCFSDRAMC_DMR1 = MCFSDRAMC_DMR_BAM_16M | MCFSDRAMC_DMR_V; + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IP; + + *(unsigned short *) (CONFIG_SYS_SDRAM_BASE1) = 0xA5A5; + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_RE; + + for (i = 0; i < 2000; i++) + asm (" nop"); + + MCFSDRAMC_DACR1 |= MCFSDRAMC_DACR_IMRS; + *(unsigned int *) (CONFIG_SYS_SDRAM_BASE1 + 0x220) = 0xA5A5; + size += CONFIG_SYS_SDRAM_SIZE1 * 1024 * 1024; +#endif + return size; +} + +#if defined(CONFIG_SYS_DRAM_TEST) +int testdram (void) +{ + uint *pstart = (uint *) CONFIG_SYS_MEMTEST_START; + uint *pend = (uint *) CONFIG_SYS_MEMTEST_END; + uint *p; + + printf("SDRAM test phase 1:\n"); + for (p = pstart; p < pend; p++) + *p = 0xaaaaaaaa; + + for (p = pstart; p < pend; p++) { + if (*p != 0xaaaaaaaa) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test phase 2:\n"); + for (p = pstart; p < pend; p++) + *p = 0x55555555; + + for (p = pstart; p < pend; p++) { + if (*p != 0x55555555) { + printf ("SDRAM test fails at: %08x\n", (uint) p); + return 1; + } + } + + printf("SDRAM test passed.\n"); + return 0; +} +#endif + +#if defined(CONFIG_HW_WATCHDOG) + +void hw_watchdog_init(void) +{ + char *s; + int enable; + + enable = 1; + s = getenv("watchdog"); + if (s != NULL) + if ((strncmp(s, "off", 3) == 0) || (strncmp(s, "0", 1) == 0)) + enable = 0; + if (enable) + MCFGPTA_GPTDDR |= (1<<2); + else + MCFGPTA_GPTDDR &= ~(1<<2); +} + +void hw_watchdog_reset(void) +{ + MCFGPTA_GPTPORT ^= (1<<2); +} +#endif + +int misc_init_r(void) +{ +#ifdef CONFIG_HW_WATCHDOG + hw_watchdog_init(); +#endif + return 1; +} + +void __led_toggle(led_id_t mask) +{ + MCFGPTA_GPTPORT ^= (1 << 3); +} + +void __led_init(led_id_t mask, int state) +{ + __led_set(mask, state); + MCFGPTA_GPTDDR |= (1 << 3); +} + +void __led_set(led_id_t mask, int state) +{ + if (state == STATUS_LED_ON) + MCFGPTA_GPTPORT |= (1 << 3); + else + MCFGPTA_GPTPORT &= ~(1 << 3); +} + +#if defined(CONFIG_VIDEO) + +int drv_video_init(void) +{ + char *s; +#ifdef CONFIG_SPLASH_SCREEN + unsigned long splash; +#endif + 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("%lu x %lu pixel matrix\n", display_width, display_height); + + MCFCCM_CCR &= ~MCFCCM_CCR_SZEN; + MCFGPIO_PEPAR &= ~MCFGPIO_PEPAR_PEPA2; + + vcxk_init(display_width, display_height); + +#ifdef CONFIG_SPLASH_SCREEN + s = getenv("splashimage"); + if (s != NULL) { + splash = simple_strtoul(s, NULL, 16); + vcxk_acknowledge_wait(); + video_display_bitmap(splash, 0, 0); + } +#endif + return 0; +} +#endif + +/*---------------------------------------------------------------------------*/ + +#ifdef CONFIG_VIDEO +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, + "sets the display brightness\n", + " <0..1000>\n side: 0/3=both; 1=first; 2=second\n" +); + +#endif + +/* EOF EB+MCF-EV123.c */