diff options
Diffstat (limited to 'board/keymile/km82xx/km82xx.c')
-rw-r--r-- | board/keymile/km82xx/km82xx.c | 463 |
1 files changed, 0 insertions, 463 deletions
diff --git a/board/keymile/km82xx/km82xx.c b/board/keymile/km82xx/km82xx.c deleted file mode 100644 index f5a98b33e7..0000000000 --- a/board/keymile/km82xx/km82xx.c +++ /dev/null @@ -1,463 +0,0 @@ -/* - * (C) Copyright 2007 - 2008 - * Heiko Schocher, DENX Software Engineering, hs@denx.de. - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <mpc8260.h> -#include <ioports.h> -#include <malloc.h> -#include <asm/io.h> - -#include <libfdt.h> -#include <i2c.h> -#include "../common/common.h" - -DECLARE_GLOBAL_DATA_PTR; - -static uchar ivm_content[CONFIG_SYS_IVM_EEPROM_MAX_LEN]; - -/* - * I/O Port configuration table - * - * if conf is 1, then that port pin will be configured at boot time - * according to the five values podr/pdir/ppar/psor/pdat for that entry - */ -const iop_conf_t iop_conf_tab[4][32] = { - - /* Port A */ - { /* conf ppar psor pdir podr pdat */ - { 0, 0, 0, 0, 0, 0 }, /* PA31 */ - { 0, 0, 0, 0, 0, 0 }, /* PA30 */ - { 0, 0, 0, 0, 0, 0 }, /* PA29 */ - { 0, 0, 0, 0, 0, 0 }, /* PA28 */ - { 0, 0, 0, 0, 0, 0 }, /* PA27 */ - { 0, 0, 0, 0, 0, 0 }, /* PA26 */ - { 0, 0, 0, 0, 0, 0 }, /* PA25 */ - { 0, 0, 0, 0, 0, 0 }, /* PA24 */ - { 0, 0, 0, 0, 0, 0 }, /* PA23 */ - { 0, 0, 0, 0, 0, 0 }, /* PA22 */ - { 0, 0, 0, 0, 0, 0 }, /* PA21 */ - { 0, 0, 0, 0, 0, 0 }, /* PA20 */ - { 0, 0, 0, 0, 0, 0 }, /* PA19 */ - { 0, 0, 0, 0, 0, 0 }, /* PA18 */ - { 0, 0, 0, 0, 0, 0 }, /* PA17 */ - { 0, 0, 0, 0, 0, 0 }, /* PA16 */ - { 0, 0, 0, 0, 0, 0 }, /* PA15 */ - { 0, 0, 0, 0, 0, 0 }, /* PA14 */ - { 0, 0, 0, 0, 0, 0 }, /* PA13 */ - { 0, 0, 0, 0, 0, 0 }, /* PA12 */ - { 0, 0, 0, 0, 0, 0 }, /* PA11 */ - { 0, 0, 0, 0, 0, 0 }, /* PA10 */ - { 1, 1, 0, 1, 0, 0 }, /* PA9 SMC2 TxD */ - { 1, 1, 0, 0, 0, 0 }, /* PA8 SMC2 RxD */ - { 0, 0, 0, 0, 0, 0 }, /* PA7 */ - { 0, 0, 0, 0, 0, 0 }, /* PA6 */ - { 0, 0, 0, 0, 0, 0 }, /* PA5 */ - { 0, 0, 0, 0, 0, 0 }, /* PA4 */ - { 0, 0, 0, 0, 0, 0 }, /* PA3 */ - { 0, 0, 0, 0, 0, 0 }, /* PA2 */ - { 0, 0, 0, 0, 0, 0 }, /* PA1 */ - { 0, 0, 0, 0, 0, 0 } /* PA0 */ - }, - - /* Port B */ - { /* conf ppar psor pdir podr pdat */ - { 0, 0, 0, 0, 0, 0 }, /* PB31 */ - { 0, 0, 0, 0, 0, 0 }, /* PB30 */ - { 0, 0, 0, 0, 0, 0 }, /* PB29 */ - { 0, 0, 0, 0, 0, 0 }, /* PB28 */ - { 0, 0, 0, 0, 0, 0 }, /* PB27 */ - { 0, 0, 0, 0, 0, 0 }, /* PB26 */ - { 0, 0, 0, 0, 0, 0 }, /* PB25 */ - { 0, 0, 0, 0, 0, 0 }, /* PB24 */ - { 0, 0, 0, 0, 0, 0 }, /* PB23 */ - { 0, 0, 0, 0, 0, 0 }, /* PB22 */ - { 0, 0, 0, 0, 0, 0 }, /* PB21 */ - { 0, 0, 0, 0, 0, 0 }, /* PB20 */ - { 0, 0, 0, 0, 0, 0 }, /* PB19 */ - { 0, 0, 0, 0, 0, 0 }, /* PB18 */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 } /* non-existent */ - }, - - /* Port C */ - { /* conf ppar psor pdir podr pdat */ - { 0, 0, 0, 0, 0, 0 }, /* PC31 */ - { 0, 0, 0, 0, 0, 0 }, /* PC30 */ - { 0, 0, 0, 0, 0, 0 }, /* PC29 */ - { 0, 0, 0, 0, 0, 0 }, /* PC28 */ - { 0, 0, 0, 0, 0, 0 }, /* PC27 */ - { 0, 0, 0, 0, 0, 0 }, /* PC26 */ - { 1, 1, 0, 0, 0, 0 }, /* PC25 RxClk */ - { 1, 1, 0, 0, 0, 0 }, /* PC24 TxClk */ - { 0, 0, 0, 0, 0, 0 }, /* PC23 */ - { 0, 0, 0, 0, 0, 0 }, /* PC22 */ - { 0, 0, 0, 0, 0, 0 }, /* PC21 */ - { 0, 0, 0, 0, 0, 0 }, /* PC20 */ - { 0, 0, 0, 0, 0, 0 }, /* PC19 */ - { 0, 0, 0, 0, 0, 0 }, /* PC18 */ - { 0, 0, 0, 0, 0, 0 }, /* PC17 */ - { 0, 0, 0, 0, 0, 0 }, /* PC16 */ - { 0, 0, 0, 0, 0, 0 }, /* PC15 */ - { 0, 0, 0, 0, 0, 0 }, /* PC14 */ - { 0, 0, 0, 0, 0, 0 }, /* PC13 */ - { 0, 0, 0, 0, 0, 0 }, /* PC12 */ - { 0, 0, 0, 0, 0, 0 }, /* PC11 */ - { 0, 0, 0, 0, 0, 0 }, /* PC10 */ - { 1, 1, 0, 0, 0, 0 }, /* PC9 SCC4: CTS */ - { 1, 1, 0, 0, 0, 0 }, /* PC8 SCC4: CD */ - { 0, 0, 0, 0, 0, 0 }, /* PC7 */ - { 0, 0, 0, 0, 0, 0 }, /* PC6 */ - { 0, 0, 0, 0, 0, 0 }, /* PC5 */ - { 0, 0, 0, 0, 0, 0 }, /* PC4 */ - { 0, 0, 0, 0, 0, 0 }, /* PC3 */ - { 0, 0, 0, 0, 0, 0 }, /* PC2 */ - { 0, 0, 0, 0, 0, 0 }, /* PC1 */ - { 0, 0, 0, 0, 0, 0 }, /* PC0 */ - }, - - /* Port D */ - { /* conf ppar psor pdir podr pdat */ - { 0, 0, 0, 0, 0, 0 }, /* PD31 */ - { 0, 0, 0, 0, 0, 0 }, /* PD30 */ - { 0, 0, 0, 0, 0, 0 }, /* PD29 */ - { 0, 0, 0, 0, 0, 0 }, /* PD28 */ - { 0, 0, 0, 0, 0, 0 }, /* PD27 */ - { 0, 0, 0, 0, 0, 0 }, /* PD26 */ - { 0, 0, 0, 0, 0, 0 }, /* PD25 */ - { 0, 0, 0, 0, 0, 0 }, /* PD24 */ - { 0, 0, 0, 0, 0, 0 }, /* PD23 */ - { 1, 1, 0, 0, 0, 0 }, /* PD22 SCC4: RXD */ - { 1, 1, 0, 1, 0, 0 }, /* PD21 SCC4: TXD */ - { 1, 1, 0, 1, 0, 0 }, /* PD20 SCC4: RTS */ - { 0, 0, 0, 0, 0, 0 }, /* PD19 */ - { 0, 0, 0, 0, 0, 0 }, /* PD18 */ - { 0, 0, 0, 0, 0, 0 }, /* PD17 */ - { 0, 0, 0, 0, 0, 0 }, /* PD16 */ - { 1, 0, 0, 0, 1, 1 }, /* PD15 */ - { 1, 0, 0, 1, 1, 1 }, /* PD14 */ - { 0, 0, 0, 0, 0, 0 }, /* PD13 */ - { 0, 0, 0, 0, 0, 0 }, /* PD12 */ - { 0, 0, 0, 0, 0, 0 }, /* PD11 */ - { 0, 0, 0, 0, 0, 0 }, /* PD10 */ - { 0, 0, 0, 0, 0, 0 }, /* PD9 */ - { 0, 0, 0, 0, 0, 0 }, /* PD8 */ - { 0, 0, 0, 0, 0, 0 }, /* PD7 */ - { 0, 0, 0, 0, 0, 0 }, /* PD6 */ - { 0, 0, 0, 0, 0, 0 }, /* PD5 */ - { 0, 0, 0, 0, 0, 0 }, /* PD4 */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 }, /* non-existent */ - { 0, 0, 0, 0, 0, 0 } /* non-existent */ - } -}; - -/* - * Try SDRAM initialization with P/LSDMR=sdmr and ORx=orx - * - * This routine performs standard 8260 initialization sequence - * and calculates the available memory size. It may be called - * several times to try different SDRAM configurations on both - * 60x and local buses. - */ -static long int try_init(memctl8260_t *memctl, ulong sdmr, - ulong orx, uchar *base) -{ - uchar c = 0xff; - ulong maxsize, size; - int i; - - /* - * We must be able to test a location outsize the maximum legal size - * to find out THAT we are outside; but this address still has to be - * mapped by the controller. That means, that the initial mapping has - * to be (at least) twice as large as the maximum expected size. - */ - maxsize = (1 + (~orx | 0x7fff))/* / 2*/; - - out_be32(&memctl->memc_or1, orx); - - /* - * Quote from 8260 UM (10.4.2 SDRAM Power-On Initialization, 10-35): - * - * "At system reset, initialization software must set up the - * programmable parameters in the memory controller banks registers - * (ORx, BRx, P/LSDMR). After all memory parameters are configured, - * system software should execute the following initialization sequence - * for each SDRAM device. - * - * 1. Issue a PRECHARGE-ALL-BANKS command - * 2. Issue eight CBR REFRESH commands - * 3. Issue a MODE-SET command to initialize the mode register - * - * The initial commands are executed by setting P/LSDMR[OP] and - * accessing the SDRAM with a single-byte transaction." - * - * The appropriate BRx/ORx registers have already been set when we - * get here. The SDRAM can be accessed at the address - * CONFIG_SYS_SDRAM_BASE. - */ - - out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_PREA); - out_8(base, c); - - out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_CBRR); - for (i = 0; i < 8; i++) - out_8(base, c); - - out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_MRW); - /* setting MR on address lines */ - out_8((uchar *)(base + CONFIG_SYS_MRS_OFFS), c); - - out_be32(&memctl->memc_psdmr, sdmr | PSDMR_OP_NORM | PSDMR_RFEN); - out_8(base, c); - - size = get_ram_size((long *)base, maxsize); - out_be32(&memctl->memc_or1, orx | ~(size - 1)); - - return size; -} - -#ifdef CONFIG_SYS_SDRAM_LIST - -/* - * If CONFIG_SYS_SDRAM_LIST is defined, we cycle through all SDRAM - * configurations therein (should be from high to lower) to find the - * one actually matching the current configuration. - * CONFIG_SYS_PSDMR and CONFIG_SYS_OR1 will contain the base values which are - * common among all possible configurations; values in CONFIG_SYS_SDRAM_LIST - * (defined as the initialization value for the array of struct sdram_conf_s) - * will then be ORed with such base values. - */ - -struct sdram_conf_s { - ulong size; - int or1; - int psdmr; -}; - -static struct sdram_conf_s sdram_conf[] = CONFIG_SYS_SDRAM_LIST; - -static long probe_sdram(memctl8260_t *memctl) -{ - int n = 0; - long psize = 0; - - for (n = 0; n < ARRAY_SIZE(sdram_conf); psize = 0, n++) { - psize = try_init(memctl, - CONFIG_SYS_PSDMR | sdram_conf[n].psdmr, - CONFIG_SYS_OR1 | sdram_conf[n].or1, - (uchar *) CONFIG_SYS_SDRAM_BASE); - debug("Probing %ld bytes returned %ld\n", - sdram_conf[n].size, psize); - if (psize == sdram_conf[n].size) - break; - } - return psize; -} - -#else /* CONFIG_SYS_SDRAM_LIST */ - -static long probe_sdram(memctl8260_t *memctl) -{ - return try_init(memctl, CONFIG_SYS_PSDMR, CONFIG_SYS_OR1, - (uchar *) CONFIG_SYS_SDRAM_BASE); -} -#endif /* CONFIG_SYS_SDRAM_LIST */ - - -int dram_init(void) -{ - immap_t *immap = (immap_t *) CONFIG_SYS_IMMR; - memctl8260_t *memctl = &immap->im_memctl; - - long psize; - - out_8(&memctl->memc_psrt, CONFIG_SYS_PSRT); - out_be16(&memctl->memc_mptpr, CONFIG_SYS_MPTPR); - - /* 60x SDRAM setup: - */ - psize = probe_sdram(memctl); - - icache_enable(); - - gd->ram_size = psize; - - return 0; -} - -int checkboard(void) -{ -#if defined(CONFIG_MGCOGE) - puts("Board: Keymile mgcoge"); -#else - puts("Board: Keymile mgcoge3ne"); -#endif - if (ethernet_present()) - puts(" with PIGGY."); - puts("\n"); - return 0; -} - -int last_stage_init(void) -{ - struct bfticu_iomap *base = - (struct bfticu_iomap *)CONFIG_SYS_FPGA_BASE; - u8 dip_switch; - - dip_switch = in_8(&base->mswitch); - dip_switch &= BFTICU_DIPSWITCH_MASK; - /* dip switch 'full reset' or 'db erase' or 'Local mgmt IP' or any */ - if (dip_switch != 0) { - /* start bootloader */ - puts("DIP: Enabled\n"); - setenv("actual_bank", "0"); - } - set_km_env(); - return 0; -} - -#ifdef CONFIG_MGCOGE3NE -static void set_pin(int state, unsigned long mask, int port); - -/* - * For mgcoge3ne boards, the mgcoge3un control is controlled from - * a GPIO line on the PPC CPU. If bobcatreset is set the line - * will toggle once what forces the mgocge3un part to restart - * immediately. - */ -static void handle_mgcoge3un_reset(void) -{ - char *bobcatreset = getenv("bobcatreset"); - if (bobcatreset) { - if (strcmp(bobcatreset, "true") == 0) { - puts("Forcing bobcat reset\n"); - set_pin(0, 0x00000004, 3); /* clear PD29 (reset arm) */ - udelay(1000); - set_pin(1, 0x00000004, 3); - } else - set_pin(1, 0x00000004, 3); /* don't reset arm */ - } -} -#endif - -int ethernet_present(void) -{ - struct km_bec_fpga *base = - (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE; - - return in_8(&base->bprth) & PIGGY_PRESENT; -} - -/* - * Early board initalization. - */ -int board_early_init_r(void) -{ - struct km_bec_fpga *base = - (struct km_bec_fpga *)CONFIG_SYS_KMBEC_FPGA_BASE; - - /* setup the UPIOx */ - /* General Unit Reset disabled, Flash Bank enabled, UnitLed on */ - out_8(&base->oprth, (WRG_RESET | H_OPORTS_14 | WRG_LED)); - /* SCC4 enable, halfduplex, FCC1 powerdown */ - out_8(&base->oprtl, (H_OPORTS_SCC4_ENA | H_OPORTS_SCC4_FD_ENA | - H_OPORTS_FCC1_PW_DWN)); - -#ifdef CONFIG_MGCOGE3NE - handle_mgcoge3un_reset(); -#endif - return 0; -} - -int misc_init_r(void) -{ - ivm_read_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN); - return 0; -} - -int hush_init_var(void) -{ - ivm_analyze_eeprom(ivm_content, CONFIG_SYS_IVM_EEPROM_MAX_LEN); - return 0; -} - -#define SDA_MASK 0x00010000 -#define SCL_MASK 0x00020000 - -static void set_pin(int state, unsigned long mask, int port) -{ - ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, port); - - if (state) - setbits_be32(&iop->pdat, mask); - else - clrbits_be32(&iop->pdat, mask); - - setbits_be32(&iop->pdir, mask); -} - -static int get_pin(unsigned long mask, int port) -{ - ioport_t *iop = ioport_addr((immap_t *)CONFIG_SYS_IMMR, port); - - clrbits_be32(&iop->pdir, mask); - return 0 != (in_be32(&iop->pdat) & mask); -} - -void set_sda(int state) -{ - set_pin(state, SDA_MASK, 3); -} - -void set_scl(int state) -{ - set_pin(state, SCL_MASK, 3); -} - -int get_sda(void) -{ - return get_pin(SDA_MASK, 3); -} - -int get_scl(void) -{ - return get_pin(SCL_MASK, 3); -} - -int ft_board_setup(void *blob, bd_t *bd) -{ - ft_cpu_setup(blob, bd); - - return 0; -} - -#if defined(CONFIG_MGCOGE3NE) -int get_testpin(void) -{ - /* Testpin is Port C pin 29 - enable = low */ - int testpin = !get_pin(0x00000004, 2); - return testpin; -} -#endif |