diff options
Diffstat (limited to 'roms/u-boot/board/renesas/ap325rxa')
| -rw-r--r-- | roms/u-boot/board/renesas/ap325rxa/Makefile | 12 | ||||
| -rw-r--r-- | roms/u-boot/board/renesas/ap325rxa/ap325rxa.c | 159 | ||||
| -rw-r--r-- | roms/u-boot/board/renesas/ap325rxa/cpld-ap325rxa.c | 206 | ||||
| -rw-r--r-- | roms/u-boot/board/renesas/ap325rxa/lowlevel_init.S | 172 |
4 files changed, 549 insertions, 0 deletions
diff --git a/roms/u-boot/board/renesas/ap325rxa/Makefile b/roms/u-boot/board/renesas/ap325rxa/Makefile new file mode 100644 index 00000000..ff72de90 --- /dev/null +++ b/roms/u-boot/board/renesas/ap325rxa/Makefile @@ -0,0 +1,12 @@ +######################################################################### +# +# Copyright (C) 2008 Renesas Solutions Corp. +# Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> +# +# board/ap325rxa/Makefile +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y := ap325rxa.o cpld-ap325rxa.o +obj-y += lowlevel_init.o diff --git a/roms/u-boot/board/renesas/ap325rxa/ap325rxa.c b/roms/u-boot/board/renesas/ap325rxa/ap325rxa.c new file mode 100644 index 00000000..518ad7b6 --- /dev/null +++ b/roms/u-boot/board/renesas/ap325rxa/ap325rxa.c @@ -0,0 +1,159 @@ +/* + * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <netdev.h> +#include <asm/io.h> +#include <asm/processor.h> + +DECLARE_GLOBAL_DATA_PTR; + +/* PRI control register */ +#define PRPRICR5 0xFF800048 /* LMB */ +#define PRPRICR5_D 0x2a + +/* FPGA control */ +#define FPGA_NAND_CTL 0xB410020C +#define FPGA_NAND_RST 0x0008 +#define FPGA_NAND_INIT 0x0000 +#define FPGA_NAND_RST_WAIT 10000 + +/* I/O port data */ +#define PACR_D 0x0000 +#define PBCR_D 0x0000 +#define PCCR_D 0x1000 +#define PDCR_D 0x0000 +#define PECR_D 0x0410 +#define PFCR_D 0xffff +#define PGCR_D 0x0000 +#define PHCR_D 0x5011 +#define PJCR_D 0x4400 +#define PKCR_D 0x7c00 +#define PLCR_D 0x0000 +#define PMCR_D 0x0000 +#define PNCR_D 0x0000 +#define PQCR_D 0x0000 +#define PRCR_D 0x0000 +#define PSCR_D 0x0000 +#define PTCR_D 0x0010 +#define PUCR_D 0x0fff +#define PVCR_D 0xffff +#define PWCR_D 0x0000 +#define PXCR_D 0x7500 +#define PYCR_D 0x0000 +#define PZCR_D 0x5540 + +/* Pin Function Controler data */ +#define PSELA_D 0x1410 +#define PSELB_D 0x0140 +#define PSELC_D 0x0000 +#define PSELD_D 0x0400 + +/* I/O Buffer Hi-Z data */ +#define HIZCRA_D 0x0000 +#define HIZCRB_D 0x1000 +#define HIZCRC_D 0x0000 +#define HIZCRD_D 0x0000 + +/* Module select reg data */ +#define MSELCRA_D 0x0014 +#define MSELCRB_D 0x0018 + +/* Module Stop reg Data */ +#define MSTPCR2_D 0xFFD9F280 + +/* CPLD loader */ +extern void init_cpld(void); + +int checkboard(void) +{ + puts("BOARD: AP325RXA\n"); + return 0; +} + +int board_init(void) +{ + /* Pin Function Controler Init */ + outw(PSELA_D, PSELA); + outw(PSELB_D, PSELB); + outw(PSELC_D, PSELC); + outw(PSELD_D, PSELD); + + /* I/O Buffer Hi-Z Init */ + outw(HIZCRA_D, HIZCRA); + outw(HIZCRB_D, HIZCRB); + outw(HIZCRC_D, HIZCRC); + outw(HIZCRD_D, HIZCRD); + + /* Module select reg Init */ + outw(MSELCRA_D, MSELCRA); + outw(MSELCRB_D, MSELCRB); + + /* Module Stop reg Init */ + outl(MSTPCR2_D, MSTPCR2); + + /* I/O ports */ + outw(PACR_D, PACR); + outw(PBCR_D, PBCR); + outw(PCCR_D, PCCR); + outw(PDCR_D, PDCR); + outw(PECR_D, PECR); + outw(PFCR_D, PFCR); + outw(PGCR_D, PGCR); + outw(PHCR_D, PHCR); + outw(PJCR_D, PJCR); + outw(PKCR_D, PKCR); + outw(PLCR_D, PLCR); + outw(PMCR_D, PMCR); + outw(PNCR_D, PNCR); + outw(PQCR_D, PQCR); + outw(PRCR_D, PRCR); + outw(PSCR_D, PSCR); + outw(PTCR_D, PTCR); + outw(PUCR_D, PUCR); + outw(PVCR_D, PVCR); + outw(PWCR_D, PWCR); + outw(PXCR_D, PXCR); + outw(PYCR_D, PYCR); + outw(PZCR_D, PZCR); + + /* PRI control register Init */ + outl(PRPRICR5_D, PRPRICR5); + + /* cpld init */ + init_cpld(); + + return 0; +} + +int dram_init(void) +{ + gd->bd->bi_memstart = CONFIG_SYS_SDRAM_BASE; + gd->bd->bi_memsize = CONFIG_SYS_SDRAM_SIZE; + printf("DRAM: %dMB\n", CONFIG_SYS_SDRAM_SIZE / (1024 * 1024)); + return 0; +} + +void led_set_state(unsigned short value) +{ +} + +void ide_set_reset(int idereset) +{ + outw(FPGA_NAND_RST, FPGA_NAND_CTL); /* NAND RESET */ + udelay(FPGA_NAND_RST_WAIT); + outw(FPGA_NAND_INIT, FPGA_NAND_CTL); +} + +int board_eth_init(bd_t *bis) +{ + int rc = 0; +#ifdef CONFIG_SMC911X + rc = smc911x_initialize(0, CONFIG_SMC911X_BASE); +#endif + return rc; +} diff --git a/roms/u-boot/board/renesas/ap325rxa/cpld-ap325rxa.c b/roms/u-boot/board/renesas/ap325rxa/cpld-ap325rxa.c new file mode 100644 index 00000000..16fadcbc --- /dev/null +++ b/roms/u-boot/board/renesas/ap325rxa/cpld-ap325rxa.c @@ -0,0 +1,206 @@ +/*************************************************************** + * Project: + * CPLD SlaveSerial Configuration via embedded microprocessor. + * + * Copyright info: + * + * This is free software; you can redistribute it and/or modify + * it as you like. + * + * 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. + * + * Description: + * + * This is the main source file that will allow a microprocessor + * to configure Xilinx Virtex, Virtex-E, Virtex-EM, Virtex-II, + * and Spartan-II devices via the SlaveSerial Configuration Mode. + * This code is discussed in Xilinx Application Note, XAPP502. + * + * History: + * 3-October-2001 MN/MP - Created + * 20-August-2008 Renesas Solutions - Modified to SH7723 + ****************************************************************/ + +#include <common.h> + +/* Serial */ +#define SCIF_BASE 0xffe00000 /* SCIF0 */ +#define SCSMR (vu_short *)(SCIF_BASE + 0x00) +#define SCBRR (vu_char *)(SCIF_BASE + 0x04) +#define SCSCR (vu_short *)(SCIF_BASE + 0x08) +#define SC_TDR (vu_char *)(SCIF_BASE + 0x0C) +#define SC_SR (vu_short *)(SCIF_BASE + 0x10) +#define SCFCR (vu_short *)(SCIF_BASE + 0x18) +#define RFCR (vu_long *)0xFE400020 + +#define SCSCR_INIT 0x0038 +#define SCSCR_CLR 0x0000 +#define SCFCR_INIT 0x0006 +#define SCSMR_INIT 0x0080 +#define RFCR_CLR 0xA400 +#define SCI_TD_E 0x0020 +#define SCI_TDRE_CLEAR 0x00df + +#define BPS_SETTING_VALUE 1 /* 12.5MHz */ +#define WAIT_RFCR_COUNTER 500 + +/* CPLD data size */ +#define CPLD_DATA_SIZE 169216 + +/* out */ +#define CPLD_PFC_ADR ((vu_short *)0xA4050112) + +#define CPLD_PROG_ADR ((vu_char *)0xA4050132) +#define CPLD_PROG_DAT 0x80 + +/* in */ +#define CPLD_INIT_ADR ((vu_char *)0xA4050132) +#define CPLD_INIT_DAT 0x40 +#define CPLD_DONE_ADR ((vu_char *)0xA4050132) +#define CPLD_DONE_DAT 0x20 + +#define HIZCRB ((vu_short *)0xA405015A) + +/* data */ +#define CPLD_NOMAL_START 0xA0A80000 +#define CPLD_SAFE_START 0xA0AC0000 +#define MODE_SW (vu_char *)0xA405012A + +static void init_cpld_loader(void) +{ + + *SCSCR = SCSCR_CLR; + *SCFCR = SCFCR_INIT; + *SCSMR = SCSMR_INIT; + + *SCBRR = BPS_SETTING_VALUE; + + *RFCR = RFCR_CLR; /* Refresh counter clear */ + + while (*RFCR < WAIT_RFCR_COUNTER) + ; + + *SCFCR = 0x0; /* RTRG=00, TTRG=00 */ + /* MCE=0,TFRST=0,RFRST=0,LOOP=0 */ + *SCSCR = SCSCR_INIT; +} + +static int check_write_ready(void) +{ + u16 status = *SC_SR; + return status & SCI_TD_E; +} + +static void write_cpld_data(char ch) +{ + while (!check_write_ready()) + ; + + *SC_TDR = ch; + *SC_SR; + *SC_SR = SCI_TDRE_CLEAR; +} + +static int delay(void) +{ + int i; + int c = 0; + for (i = 0; i < 200; i++) { + c = *(volatile int *)0xa0000000; + } + return c; +} + +/*********************************************************************** + * + * Function: slave_serial + * + * Description: Initiates SlaveSerial Configuration. + * Calls ShiftDataOut() to output serial data + * + ***********************************************************************/ +static void slave_serial(void) +{ + int i; + unsigned char *flash; + + *CPLD_PROG_ADR |= CPLD_PROG_DAT; /* PROGRAM_OE HIGH */ + delay(); + + /* + * Toggle Program Pin by Toggling Program_OE bit + * This is accomplished by writing to the Program Register in the CPLD + * + * NOTE: The Program_OE bit should be driven high to bring the Virtex + * Program Pin low. Likewise, it should be driven low + * to bring the Virtex Program Pin to High-Z + */ + + *CPLD_PROG_ADR &= ~CPLD_PROG_DAT; /* PROGRAM_OE LOW */ + delay(); + + /* + * Bring Program High-Z + * (Drive Program_OE bit low to bring Virtex Program Pin to High-Z + */ + + /* Program_OE bit Low brings the Virtex Program Pin to High Z: */ + *CPLD_PROG_ADR |= CPLD_PROG_DAT; /* PROGRAM_OE HIGH */ + + while ((*CPLD_INIT_ADR & CPLD_INIT_DAT) == 0) + delay(); + + /* Begin Slave-Serial Configuration */ + flash = (unsigned char *)CPLD_NOMAL_START; + + for (i = 0; i < CPLD_DATA_SIZE; i++) + write_cpld_data(*flash++); +} + +/*********************************************************************** + * + * Function: check_done_bit + * + * Description: This function takes monitors the CPLD Input Register + * by checking the status of the DONE bit in that Register. + * By doing so, it monitors the Xilinx Virtex device's DONE + * Pin to see if configuration bitstream has been properly + * loaded + * + ***********************************************************************/ +static void check_done_bit(void) +{ + while (!(*CPLD_DONE_ADR & CPLD_DONE_DAT)) + ; +} + +/*********************************************************************** + * + * Function: init_cpld + * + * Description: Begins Slave Serial configuration of Xilinx FPGA + * + ***********************************************************************/ +void init_cpld(void) +{ + /* Init serial device */ + init_cpld_loader(); + + if (*CPLD_DONE_ADR & CPLD_DONE_DAT) /* Already DONE */ + return; + + *HIZCRB = 0x0000; + *CPLD_PFC_ADR = 0x7c00; /* FPGA PROG = OUTPUT */ + + /* write CPLD data from NOR flash to device */ + slave_serial(); + + /* + * Monitor the DONE bit in the CPLD Input Register to see if + * configuration successful + */ + + check_done_bit(); +} diff --git a/roms/u-boot/board/renesas/ap325rxa/lowlevel_init.S b/roms/u-boot/board/renesas/ap325rxa/lowlevel_init.S new file mode 100644 index 00000000..ead5310a --- /dev/null +++ b/roms/u-boot/board/renesas/ap325rxa/lowlevel_init.S @@ -0,0 +1,172 @@ +/* + * Copyright (C) 2008 Renesas Solutions Corp. + * Copyright (C) 2008 Nobuhiro Iwamatsu <iwamatsu.nobuhiro@renesas.com> + * + * board/ap325rxa/lowlevel_init.S + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <config.h> +#include <version.h> +#include <asm/processor.h> +#include <asm/macro.h> + +/* + * Board specific low level init code, called _very_ early in the + * startup sequence. Relocation to SDRAM has not happened yet, no + * stack is available, bss section has not been initialised, etc. + * + * (Note: As no stack is available, no subroutines can be called...). + */ + + .global lowlevel_init + + .text + .align 2 + +lowlevel_init: + write16 DRVCRA_A, DRVCRA_D + + write16 DRVCRB_A, DRVCRB_D + + write16 RWTCSR_A, RWTCSR_D1 + + write16 RWTCNT_A, RWTCNT_D + + write16 RWTCSR_A, RWTCSR_D2 + + write32 FRQCR_A, FRQCR_D + + write32 CMNCR_A, CMNCR_D + + write32 CS0BCR_A, CS0BCR_D + + write32 CS4BCR_A, CS4BCR_D + + write32 CS5ABCR_A, CS5ABCR_D + + write32 CS5BBCR_A, CS5BBCR_D + + write32 CS6ABCR_A, CS6ABCR_D + + write32 CS6BBCR_A, CS6BBCR_D + + write32 CS0WCR_A, CS0WCR_D + + write32 CS4WCR_A, CS4WCR_D + + write32 CS5AWCR_A, CS5AWCR_D + + write32 CS5BWCR_A, CS5BWCR_D + + write32 CS6AWCR_A, CS6AWCR_D + + write32 CS6BWCR_A, CS6BWCR_D + + write32 SBSC_SDCR_A, SBSC_SDCR_D1 + + write32 SBSC_SDWCR_A, SBSC_SDWCR_D + + write32 SBSC_SDPCR_A, SBSC_SDPCR_D + + write32 SBSC_RTCSR_A, SBSC_RTCSR_D + + write32 SBSC_RTCNT_A, SBSC_RTCNT_D + + write32 SBSC_RTCOR_A, SBSC_RTCOR_D + + write8 SBSC_SDMR3_A1, SBSC_SDMR3_D + + write8 SBSC_SDMR3_A2, SBSC_SDMR3_D + + mov.l SLEEP_CNT, r1 +2: tst r1, r1 + nop + bf/s 2b + dt r1 + + write8 SBSC_SDMR3_A3, SBSC_SDMR3_D + + write32 SBSC_SDCR_A, SBSC_SDCR_D2 + + write32 CCR_A, CCR_D + + ! BL bit off (init = ON) (?!?) + + stc sr, r0 ! BL bit off(init=ON) + mov.l SR_MASK_D, r1 + and r1, r0 + ldc r0, sr + + rts + mov #0, r0 + + .align 2 + +DRVCRA_A: .long DRVCRA +DRVCRB_A: .long DRVCRB +DRVCRA_D: .word 0x4555 +DRVCRB_D: .word 0x0005 + +RWTCSR_A: .long RWTCSR +RWTCNT_A: .long RWTCNT +FRQCR_A: .long FRQCR +RWTCSR_D1: .word 0xa507 +RWTCSR_D2: .word 0xa504 +RWTCNT_D: .word 0x5a00 +.align 2 +FRQCR_D: .long 0x0b04474a + +SBSC_SDCR_A: .long SBSC_SDCR +SBSC_SDWCR_A: .long SBSC_SDWCR +SBSC_SDPCR_A: .long SBSC_SDPCR +SBSC_RTCSR_A: .long SBSC_RTCSR +SBSC_RTCNT_A: .long SBSC_RTCNT +SBSC_RTCOR_A: .long SBSC_RTCOR +SBSC_SDMR3_A1: .long 0xfe510000 +SBSC_SDMR3_A2: .long 0xfe500242 +SBSC_SDMR3_A3: .long 0xfe5c0042 + +SBSC_SDCR_D1: .long 0x92810112 +SBSC_SDCR_D2: .long 0x92810912 +SBSC_SDWCR_D: .long 0x05162482 +SBSC_SDPCR_D: .long 0x00300087 +SBSC_RTCSR_D: .long 0xa55a0212 +SBSC_RTCNT_D: .long 0xa55a0000 +SBSC_RTCOR_D: .long 0xa55a0040 +SBSC_SDMR3_D: .long 0x00 + +CMNCR_A: .long CMNCR +CS0BCR_A: .long CS0BCR +CS4BCR_A: .long CS4BCR +CS5ABCR_A: .long CS5ABCR +CS5BBCR_A: .long CS5BBCR +CS6ABCR_A: .long CS6ABCR +CS6BBCR_A: .long CS6BBCR +CS0WCR_A: .long CS0WCR +CS4WCR_A: .long CS4WCR +CS5AWCR_A: .long CS5AWCR +CS5BWCR_A: .long CS5BWCR +CS6AWCR_A: .long CS6AWCR +CS6BWCR_A: .long CS6BWCR + +CMNCR_D: .long 0x00000013 +CS0BCR_D: .long 0x24920400 +CS4BCR_D: .long 0x24920400 +CS5ABCR_D: .long 0x24920400 +CS5BBCR_D: .long 0x7fff0600 +CS6ABCR_D: .long 0x24920400 +CS6BBCR_D: .long 0x24920600 +CS0WCR_D: .long 0x00000480 +CS4WCR_D: .long 0x00000480 +CS5AWCR_D: .long 0x00000380 +CS5BWCR_D: .long 0x00000080 +CS6AWCR_D: .long 0x00000300 +CS6BWCR_D: .long 0x00000540 + +CCR_A: .long 0xff00001c +CCR_D: .long 0x0000090d + +SLEEP_CNT: .long 0x00000800 +SR_MASK_D: .long 0xEFFFFF0F |