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Diffstat (limited to 'package/uboot-lantiq/files/board/arcadyan/arv752DWP22/arv752.c')
| -rw-r--r-- | package/uboot-lantiq/files/board/arcadyan/arv752DWP22/arv752.c | 325 |
1 files changed, 325 insertions, 0 deletions
diff --git a/package/uboot-lantiq/files/board/arcadyan/arv752DWP22/arv752.c b/package/uboot-lantiq/files/board/arcadyan/arv752DWP22/arv752.c new file mode 100644 index 0000000000..5b68de9589 --- /dev/null +++ b/package/uboot-lantiq/files/board/arcadyan/arv752DWP22/arv752.c @@ -0,0 +1,325 @@ +/* + * (C) Copyright 2003 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2010 + * Thomas Langer, Ralph Hempel + * + * 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 <command.h> +#include <netdev.h> +#include <miiphy.h> +#include <asm/addrspace.h> +#include <asm/danube.h> +#include <asm/reboot.h> +#include <asm/io.h> +#if defined(CONFIG_CMD_HTTPD) +#include <httpd.h> +#endif +#if defined(CONFIG_PCI) +#include <pci.h> +#endif +#include "athrs26_phy.h" + +extern ulong ifx_get_ddr_hz(void); +extern ulong ifx_get_cpuclk(void); + +/* IDs and registers of known external switches */ +void _machine_restart(void) +{ + *DANUBE_RCU_RST_REQ |=1<<30; +} + +#ifdef CONFIG_SYS_RAMBOOT +phys_size_t initdram(int board_type) +{ + return get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, CONFIG_SYS_MAX_RAM); +} +#elif defined(CONFIG_USE_DDR_RAM) +phys_size_t initdram(int board_type) +{ + return (CONFIG_SYS_MAX_RAM); +} +#else + +static ulong max_sdram_size(void) /* per Chip Select */ +{ + /* The only supported SDRAM data width is 16bit. + */ +#define CFG_DW 4 + + /* The only supported number of SDRAM banks is 4. + */ +#define CFG_NB 4 + + ulong cfgpb0 = *DANUBE_SDRAM_MC_CFGPB0; + int cols = cfgpb0 & 0xF; + int rows = (cfgpb0 & 0xF0) >> 4; + ulong size = (1 << (rows + cols)) * CFG_DW * CFG_NB; + + return size; +} + +/* + * Check memory range for valid RAM. A simple memory test determines + * the actually available RAM size between addresses `base' and + * `base + maxsize'. + */ + +static long int dram_size(long int *base, long int maxsize) +{ + volatile long int *addr; + ulong cnt, val; + ulong save[32]; /* to make test non-destructive */ + unsigned char i = 0; + + for (cnt = (maxsize / sizeof (long)) >> 1; cnt > 0; cnt >>= 1) { + addr = base + cnt; /* pointer arith! */ + + save[i++] = *addr; + *addr = ~cnt; + } + + /* write 0 to base address */ + addr = base; + save[i] = *addr; + *addr = 0; + + /* check at base address */ + if ((val = *addr) != 0) { + *addr = save[i]; + return (0); + } + + for (cnt = 1; cnt < maxsize / sizeof (long); cnt <<= 1) { + addr = base + cnt; /* pointer arith! */ + + val = *addr; + *addr = save[--i]; + + if (val != (~cnt)) { + return (cnt * sizeof (long)); + } + } + return (maxsize); +} + +phys_size_t initdram(int board_type) +{ + int rows, cols, best_val = *DANUBE_SDRAM_MC_CFGPB0; + ulong size, max_size = 0; + ulong our_address; + + /* load t9 into our_address */ + asm volatile ("move %0, $25" : "=r" (our_address) :); + + /* Can't probe for RAM size unless we are running from Flash. + * find out whether running from DRAM or Flash. + */ + if (CPHYSADDR(our_address) < CPHYSADDR(PHYS_FLASH_1)) + { + return max_sdram_size(); + } + + for (cols = 0x8; cols <= 0xC; cols++) + { + for (rows = 0xB; rows <= 0xD; rows++) + { + *DANUBE_SDRAM_MC_CFGPB0 = (0x14 << 8) | + (rows << 4) | cols; + size = get_ram_size((long *)CONFIG_SYS_SDRAM_BASE, + max_sdram_size()); + + if (size > max_size) + { + best_val = *DANUBE_SDRAM_MC_CFGPB0; + max_size = size; + } + } + } + + *DANUBE_SDRAM_MC_CFGPB0 = best_val; + return max_size; +} +#endif + +int checkboard (void) +{ + unsigned long chipid = *DANUBE_MPS_CHIPID; + int part_num; + + puts ("Board: ARV75DW22 - Easybox 803\n"); + puts ("SoC: "); + + part_num = DANUBE_MPS_CHIPID_PARTNUM_GET(chipid); + switch (part_num) + { + case 0x129: + case 0x12D: + case 0x12b: + puts("Danube/Twinpass/Vinax-VE "); + break; + default: + printf ("unknown, chip part number 0x%03X ", part_num); + break; + } + printf ("V1.%ld, ", DANUBE_MPS_CHIPID_VERSION_GET(chipid)); + + printf("DDR Speed %ld MHz, ", ifx_get_ddr_hz()/1000000); + printf("CPU Speed %ld MHz\n", ifx_get_cpuclk()/1000000); + + return 0; +} + +#ifdef CONFIG_SKIP_LOWLEVEL_INIT +int board_early_init_f(void) +{ +#ifdef CONFIG_EBU_ADDSEL0 + (*DANUBE_EBU_ADDSEL0) = CONFIG_EBU_ADDSEL0; +#endif +#ifdef CONFIG_EBU_ADDSEL1 + (*DANUBE_EBU_ADDSEL1) = CONFIG_EBU_ADDSEL1; +#endif +#ifdef CONFIG_EBU_ADDSEL2 + (*DANUBE_EBU_ADDSEL2) = CONFIG_EBU_ADDSEL2; +#endif +#ifdef CONFIG_EBU_ADDSEL3 + (*DANUBE_EBU_ADDSEL3) = CONFIG_EBU_ADDSEL3; +#endif +#ifdef CONFIG_EBU_BUSCON0 + (*DANUBE_EBU_BUSCON0) = CONFIG_EBU_BUSCON0; +#endif +#ifdef CONFIG_EBU_BUSCON1 + (*DANUBE_EBU_BUSCON1) = CONFIG_EBU_BUSCON1; +#endif +#ifdef CONFIG_EBU_BUSCON2 + (*DANUBE_EBU_BUSCON2) = CONFIG_EBU_BUSCON2; +#endif +#ifdef CONFIG_EBU_BUSCON3 + (*DANUBE_EBU_BUSCON3) = CONFIG_EBU_BUSCON3; +#endif + + return 0; +} +#endif /* CONFIG_SKIP_LOWLEVEL_INIT */ + + +#ifdef CONFIG_EXTRA_SWITCH +static int external_switch_init(void) +{ + // switch reset pin on arv752 + *DANUBE_GPIO_P1_ALTSEL0 &= ~8; + *DANUBE_GPIO_P1_ALTSEL1 &= ~8; + *DANUBE_GPIO_P1_OD |= 8; + *DANUBE_GPIO_P1_DIR |= 8; + *DANUBE_GPIO_P1_OUT |= 8; + + puts("initializing ar8216 switch... "); + if (athrs26_phy_setup(0)==0) { + printf("initialized\n"); + return 0; + } + puts("failed ... \n"); + return 0; +} +#endif /* CONFIG_EXTRA_SWITCH */ + +int board_eth_init(bd_t *bis) +{ +#if defined(CONFIG_IFX_ETOP) + uchar enetaddr[6]; + if (!eth_getenv_enetaddr("ethaddr", enetaddr)) + eth_setenv_enetaddr("ethaddr", (uchar *)0xb03f0016); + + *DANUBE_PMU_PWDCR &= 0xFFFFEFDF; + *DANUBE_PMU_PWDCR &=~(1<<DANUBE_PMU_DMA_SHIFT);/*enable DMA from PMU*/ + + if (lq_eth_initialize(bis)) + return -1; + + *DANUBE_RCU_RST_REQ |=1; + udelay(200000); + *DANUBE_RCU_RST_REQ &=(unsigned long)~1; + udelay(1000); + +#ifdef CONFIG_EXTRA_SWITCH + if (external_switch_init()<0) + return -1; +#endif /* CONFIG_EXTRA_SWITCH */ +#endif /* CONFIG_IFX_ETOP */ + + return 0; +} + +#if defined(CONFIG_CMD_HTTPD) +int do_http_upgrade(const unsigned char *data, const ulong size) +{ + char buf[128]; + + if(getenv ("ram_addr") == NULL) + return -1; + if(getenv ("kernel_addr") == NULL) + return -1; + /* check the image */ + if(run_command("imi ${ram_addr}", 0) < 0) { + return -1; + } + /* write the image to the flash */ + puts("http ugrade ...\n"); + sprintf(buf, "era ${kernel_addr} +0x%lx; cp.b ${ram_addr} ${kernel_addr} 0x%lx", size, size); + return run_command(buf, 0); +} + +int do_http_progress(const int state) +{ + /* toggle LED's here */ + switch(state) { + case HTTP_PROGRESS_START: + puts("http start\n"); + break; + case HTTP_PROGRESS_TIMEOUT: + puts("."); + break; + case HTTP_PROGRESS_UPLOAD_READY: + puts("http upload ready\n"); + break; + case HTTP_PROGRESS_UGRADE_READY: + puts("http ugrade ready\n"); + break; + case HTTP_PROGRESS_UGRADE_FAILED: + puts("http ugrade failed\n"); + break; + } + return 0; +} + +unsigned long do_http_tmp_address(void) +{ + char *s = getenv ("ram_addr"); + if (s) { + ulong tmp = simple_strtoul (s, NULL, 16); + return tmp; + } + return 0 /*0x80a00000*/; +} + +#endif |