diff options
Diffstat (limited to 'qemu/roms/u-boot/board/amcc/luan')
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/luan/Makefile | 9 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/luan/config.mk | 16 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/luan/epld.h | 85 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/luan/flash.c | 95 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/luan/init.S | 59 | ||||
| -rw-r--r-- | qemu/roms/u-boot/board/amcc/luan/luan.c | 223 |
6 files changed, 487 insertions, 0 deletions
diff --git a/qemu/roms/u-boot/board/amcc/luan/Makefile b/qemu/roms/u-boot/board/amcc/luan/Makefile new file mode 100644 index 000000000..345ad564d --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/luan/Makefile @@ -0,0 +1,9 @@ +# +# (C) Copyright 2002-2006 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +obj-y = luan.o flash.o +extra-y += init.o diff --git a/qemu/roms/u-boot/board/amcc/luan/config.mk b/qemu/roms/u-boot/board/amcc/luan/config.mk new file mode 100644 index 000000000..f18b09710 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/luan/config.mk @@ -0,0 +1,16 @@ +# +# (C) Copyright 2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. +# +# SPDX-License-Identifier: GPL-2.0+ +# + +PLATFORM_CPPFLAGS += -DCONFIG_440=1 + +ifeq ($(debug),1) +PLATFORM_CPPFLAGS += -DDEBUG +endif + +ifeq ($(dbcr),1) +PLATFORM_CPPFLAGS += -DCONFIG_SYS_INIT_DBCR=0x8cff0000 +endif diff --git a/qemu/roms/u-boot/board/amcc/luan/epld.h b/qemu/roms/u-boot/board/amcc/luan/epld.h new file mode 100644 index 000000000..569d78c46 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/luan/epld.h @@ -0,0 +1,85 @@ +#define EPLD0_FSEL_FB2 0x80 +#define EPLD0_BOOT_SMALL_FLASH 0x40 /* 0 boot from large flash, 1 from small flash */ +#define EPLD0_RAW_CARD_BIT0 0x20 /* raw card EC level */ +#define EPLD0_RAW_CARD_BIT1 0x10 +#define EPLD0_RAW_CARD_BIT2 0x08 +#define EPLD0_EXT_ARB_SEL_N 0x04 /* 0 select on-board ext PCI-X, 1 internal arbiter */ +#define EPLD0_FLASH_ONBRD_N 0x02 /* 0 small flash/SRAM active, 1 block access */ +#define EPLD0_FLASH_SRAM_SEL_N 0x01 /* 0 SRAM at mem top, 1 small flash at mem top */ + +#define EPLD1_CLK_CNTL0 0x80 /* FSEL-FB1 of MPC9772 */ +#define EPLD1_PCIL0_CNTL1 0x40 /* S*0 of 9531 */ +#define EPLD1_PCIL0_CNTL2 0x20 /* S*1 of 9531 */ +#define EPLD1_CLK_CNTL3 0x10 /* FSEL-B1 of MPC9772 */ +#define EPLD1_CLK_CNTL4 0x08 /* FSEL-B0 of MPC9772 */ +#define EPLD1_MASTER_CLOCK6 0x04 /* clock source select 6 */ +#define EPLD1_MASTER_CLOCK7 0x02 /* clock source select 7 */ +#define EPLD1_MASTER_CLOCK8 0x01 /* clock source select 8 */ + +#define EPLD2_ETH_MODE_10 0x80 /* Ethernet mode 10 (default = 1) */ +#define EPLD2_ETH_MODE_100 0x40 /* Ethernet mode 100 (default = 1) */ +#define EPLD2_ETH_MODE_1000 0x20 /* Ethernet mode 1000 (default = 1) */ +#define EPLD2_ETH_DUPLEX_MODE 0x10 /* Ethernet force full duplex mode */ +#define EPLD2_RESET_ETH_N 0x08 /* Ethernet reset (default = 1) */ +#define EPLD2_ETH_AUTO_NEGO 0x04 /* Ethernet auto negotiation */ +#define EPLD2_DEFAULT_UART_N 0x01 /* 0 select DSR DTR for UART1 */ + +#define EPLD3_STATUS_LED4 0x08 /* status LED 8 (1 = LED on) */ +#define EPLD3_STATUS_LED3 0x04 /* status LED 4 (1 = LED on) */ +#define EPLD3_STATUS_LED2 0x02 /* status LED 2 (1 = LED on) */ +#define EPLD3_STATUS_LED1 0x01 /* status LED 1 (1 = LED on) */ + +#define EPLD4_PCIL0_VTH1 0x80 /* PCI-X 0 VTH1 status */ +#define EPLD4_PCIL0_VTH2 0x40 /* PCI-X 0 VTH2 status */ +#define EPLD4_PCIL0_VTH3 0x20 /* PCI-X 0 VTH3 status */ +#define EPLD4_PCIL0_VTH4 0x10 /* PCI-X 0 VTH4 status */ +#define EPLD4_PCIX1_VTH1 0x08 /* PCI-X 1 VTH1 status */ +#define EPLD4_PCIX1_VTH2 0x04 /* PCI-X 1 VTH2 status */ +#define EPLD4_PCIX1_VTH3 0x02 /* PCI-X 1 VTH3 status */ +#define EPLD4_PCIX1_VTH4 0x01 /* PCI-X 1 VTH4 status */ + +#define EPLD5_PCIL0_INT0 0x80 /* PCIX0 INT0 status, write 0 to reset */ +#define EPLD5_PCIL0_INT1 0x40 /* PCIX0 INT1 status, write 0 to reset */ +#define EPLD5_PCIL0_INT2 0x20 /* PCIX0 INT2 status, write 0 to reset */ +#define EPLD5_PCIL0_INT3 0x10 /* PCIX0 INT3 status, write 0 to reset */ +#define EPLD5_PCIX1_INT0 0x08 /* PCIX1 INT0 status, write 0 to reset */ +#define EPLD5_PCIX1_INT1 0x04 /* PCIX1 INT1 status, write 0 to reset */ +#define EPLD5_PCIX1_INT2 0x02 /* PCIX1 INT2 status, write 0 to reset */ +#define EPLD5_PCIX1_INT3 0x01 /* PCIX1 INT3 status, write 0 to reset */ + +#define EPLD6_PCIL0_RESET_CTL 0x80 /* 0=enable slot reset, 1=disable slot reset */ +#define EPLD6_PCIX1_RESET_CTL 0x40 /* 0=enable slot reset, 1=disable slot reset */ +#define EPLD6_ETH_INT_MODE 0x20 /* 0=IRQ5 recv's external eth int */ +#define EPLD6_PCIX2_RESET_CTL 0x10 /* 0=enable slot reset, 1=disable slot reset */ +#define EPLD6_PCI1_CLKCNTL1 0x80 /* PCI1 clock control S*0 of 9531 */ +#define EPLD6_PCI1_CLKCNTL2 0x40 /* PCI1 clock control S*1 of 9531 */ +#define EPLD6_PCI2_CLKCNTL1 0x20 /* PCI2 clock control S*0 of 9531 */ +#define EPLD6_PCI2_CLKCNTL2 0x10 /* PCI2 clock control S*1 of 9531 */ + +#define EPLD7_VTH1 0x80 /* PCI2 VTH1 status */ +#define EPLD7_VTH2 0x40 /* PCI2 VTH2 status */ +#define EPLD7_VTH3 0x20 /* PCI2 VTH3 status */ +#define EPLD7_VTH4 0x10 /* PCI2 VTH4 status */ +#define EPLD7_INTA_MODE 0x80 /* see S5 on SW2 for details */ +#define EPLD7_PCI_INT_MODE_N 0x40 /* see S1 on SW2 for details */ +#define EPLD7_WRITE_ENABLE_GPIO 0x20 /* see S2 on SW2 for details */ +#define EPLD7_WRITE_ENABLE_INT 0x10 /* see S3 on SW2 for details */ + + +typedef struct { + unsigned char status; /* misc status */ + unsigned char clock; /* clock status, PCI-X clock control */ + unsigned char ethuart; /* Ethernet, UART status */ + unsigned char leds; /* LED register */ + unsigned char vth01; /* PCI0, PCI1 VTH register */ + unsigned char pciints; /* PCI0, PCI1 interrupts */ + unsigned char pci2; /* PCI2 interrupts, clock control */ + unsigned char vth2; /* PCI2 VTH register */ + unsigned char filler1[4096-8]; + unsigned char gpio00; /* GPIO bits 0-7 */ + unsigned char gpio08; /* GPIO bits 8-15 */ + unsigned char gpio16; /* GPIO bits 16-23 */ + unsigned char gpio24; /* GPIO bits 24-31 */ + unsigned char filler2[4096-4]; + unsigned char version; /* EPLD version */ +} epld_t; diff --git a/qemu/roms/u-boot/board/amcc/luan/flash.c b/qemu/roms/u-boot/board/amcc/luan/flash.c new file mode 100644 index 000000000..a242befb2 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/luan/flash.c @@ -0,0 +1,95 @@ +/* + * (C) Copyright 2002 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * (C) Copyright 2002 Jun Gu <jung@artesyncp.com> + * Add support for Am29F016D and dynamic switch setting. + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +/* + * Modified 4/5/2001 + * Wait for completion of each sector erase command issued + * 4/5/2001 + * Chris Hallinan - DS4.COM, Inc. - clh@net1plus.com + */ + +#include <common.h> +#include <asm/ppc4xx.h> +#include <asm/processor.h> + +#undef DEBUG +#ifdef DEBUG +#define DEBUGF(x...) printf(x) +#else +#define DEBUGF(x...) +#endif /* DEBUG */ + +static unsigned long flash_addr_table[1][CONFIG_SYS_MAX_FLASH_BANKS] = { + {0xff900000, 0xff980000, 0xffc00000}, /* 0:000: configuraton 3 */ +}; + +/* + * include common flash code (for amcc boards) + */ +#include "../common/flash.c" + +/*----------------------------------------------------------------------- + * Functions + */ +static ulong flash_get_size(vu_long * addr, flash_info_t * info); + +unsigned long flash_init(void) +{ + unsigned long total_b = 0; + unsigned long size_b[CONFIG_SYS_MAX_FLASH_BANKS]; + unsigned short index = 0; + int i; + + /* read FPGA base register FPGA_REG0 */ + + DEBUGF("\n"); + DEBUGF("FLASH: Index: %d\n", index); + + /* Init: no FLASHes known */ + for (i = 0; i < CONFIG_SYS_MAX_FLASH_BANKS; ++i) { + flash_info[i].flash_id = FLASH_UNKNOWN; + flash_info[i].sector_count = -1; + flash_info[i].size = 0; + + /* check whether the address is 0 */ + if (flash_addr_table[index][i] == 0) { + continue; + } + + /* call flash_get_size() to initialize sector address */ + size_b[i] = flash_get_size((vu_long *) + flash_addr_table[index][i], + &flash_info[i]); + flash_info[i].size = size_b[i]; + if (flash_info[i].flash_id == FLASH_UNKNOWN) { + printf("## Unknown FLASH on Bank %d - Size = 0x%08lx = %ld MB\n", + i, size_b[i], size_b[i] << 20); + flash_info[i].sector_count = -1; + flash_info[i].size = 0; + } + + /* Monitor protection ON by default */ + (void)flash_protect(FLAG_PROTECT_SET, CONFIG_SYS_MONITOR_BASE, + CONFIG_SYS_MONITOR_BASE + CONFIG_SYS_MONITOR_LEN - 1, + &flash_info[2]); +#ifdef CONFIG_ENV_IS_IN_FLASH + (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR, + CONFIG_ENV_ADDR + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[2]); + (void)flash_protect(FLAG_PROTECT_SET, CONFIG_ENV_ADDR_REDUND, + CONFIG_ENV_ADDR_REDUND + CONFIG_ENV_SECT_SIZE - 1, + &flash_info[2]); +#endif + + total_b += flash_info[i].size; + } + + return total_b; +} diff --git a/qemu/roms/u-boot/board/amcc/luan/init.S b/qemu/roms/u-boot/board/amcc/luan/init.S new file mode 100644 index 000000000..0f4a78e1e --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/luan/init.S @@ -0,0 +1,59 @@ +/* + * (C) Copyright 2007 + * Stefan Roese, DENX Software Engineering, sr@denx.de. + * + * Copyright (C) 2002 Scott McNutt <smcnutt@artesyncp.com> + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <ppc_asm.tmpl> +#include <config.h> +#include <asm/mmu.h> +#include <asm/ppc4xx.h> + +/************************************************************************** + * TLB TABLE + * + * This table is used by the cpu boot code to setup the initial tlb + * entries. Rather than make broad assumptions in the cpu source tree, + * this table lets each board set things up however they like. + * + * Pointer to the table is returned in r1 + * + *************************************************************************/ + + .section .bootpg,"ax" + .globl tlbtab + +tlbtab: + tlbtab_start + + /* + * BOOT_CS (FLASH) must be first. Before relocation SA_I can be off to use the + * speed up boot process. It is patched after relocation to enable SA_I + */ + tlbentry(0xfff00000, SZ_1M, 0xfff00000, 1, AC_RWX | SA_G) + + tlbentry(0xffc00000, SZ_1M, 0xffc00000, 1, AC_RWX | SA_IG) + tlbentry(0xffd00000, SZ_1M, 0xffd00000, 1, AC_RWX | SA_IG) + tlbentry(0xffe00000, SZ_1M, 0xffe00000, 1, AC_RWX | SA_IG) + tlbentry(0xff900000, SZ_1M, 0xff900000, 1, AC_RWX | SA_IG) + tlbentry(CONFIG_SYS_EPLD_BASE, SZ_256K, 0xff000000, 1, AC_RW | SA_IG) + + /* + * TLB entries for SDRAM are not needed on this platform. + * They are dynamically generated in the SPD DDR(2) detection + * routine. + */ + + /* internal ram (l2 cache) */ + tlbentry(CONFIG_SYS_ISRAM_BASE, SZ_256K, 0x80000000, 0, AC_RWX | SA_I) + + /* peripherals at f0000000 */ + tlbentry(CONFIG_SYS_PERIPHERAL_BASE, SZ_4K, CONFIG_SYS_PERIPHERAL_BASE, 1, AC_RW | SA_IG) + + /* PCI */ + tlbentry(CONFIG_SYS_PCI_BASE, SZ_256M, 0x00000000, 9, AC_RW | SA_IG) + tlbentry(CONFIG_SYS_PCI_MEMBASE, SZ_256M, 0x10000000, 9, AC_RW | SA_IG) + tlbtab_end diff --git a/qemu/roms/u-boot/board/amcc/luan/luan.c b/qemu/roms/u-boot/board/amcc/luan/luan.c new file mode 100644 index 000000000..774671db4 --- /dev/null +++ b/qemu/roms/u-boot/board/amcc/luan/luan.c @@ -0,0 +1,223 @@ +/* + * (C) Copyright 2005 + * John Otken, jotken@softadvances.com + * + * SPDX-License-Identifier: GPL-2.0+ + */ + +#include <common.h> +#include <command.h> +#include <asm/ppc4xx.h> +#include <asm/processor.h> +#include <asm/ppc4xx-isram.h> +#include <spd_sdram.h> +#include "epld.h" + +DECLARE_GLOBAL_DATA_PTR; + +extern flash_info_t flash_info[CONFIG_SYS_MAX_FLASH_BANKS]; /* info for FLASH chips */ + + +/************************************************************************* + * int board_early_init_f() + * + ************************************************************************/ +int board_early_init_f(void) +{ + u32 mfr; + + mtebc( PB0AP, 0x03800000 ); /* set chip selects */ + mtebc( PB0CR, 0xffc58000 ); /* ebc0_b0cr, 4MB at 0xffc00000 CS0 */ + mtebc( PB1AP, 0x03800000 ); + mtebc( PB1CR, 0xff018000 ); /* ebc0_b1cr, 1MB at 0xff000000 CS1 */ + mtebc( PB2AP, 0x03800000 ); + mtebc( PB2CR, 0xff838000 ); /* ebc0_b2cr, 2MB at 0xff800000 CS2 */ + + mtdcr( UIC1SR, 0xffffffff ); /* Clear all interrupts */ + mtdcr( UIC1ER, 0x00000000 ); /* disable all interrupts */ + mtdcr( UIC1CR, 0x00000000 ); /* Set Critical / Non Critical interrupts */ + mtdcr( UIC1PR, 0x7fff83ff ); /* Set Interrupt Polarities */ + mtdcr( UIC1TR, 0x001f8000 ); /* Set Interrupt Trigger Levels */ + mtdcr( UIC1VR, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */ + mtdcr( UIC1SR, 0x00000000 ); /* clear all interrupts */ + mtdcr( UIC1SR, 0xffffffff ); + + mtdcr( UIC0SR, 0xffffffff ); /* Clear all interrupts */ + mtdcr( UIC0ER, 0x00000000 ); /* disable all interrupts excepted cascade */ + mtdcr( UIC0CR, 0x00000001 ); /* Set Critical / Non Critical interrupts */ + mtdcr( UIC0PR, 0xffffffff ); /* Set Interrupt Polarities */ + mtdcr( UIC0TR, 0x01000004 ); /* Set Interrupt Trigger Levels */ + mtdcr( UIC0VR, 0x00000001 ); /* Set Vect base=0,INT31 Highest priority */ + mtdcr( UIC0SR, 0x00000000 ); /* clear all interrupts */ + mtdcr( UIC0SR, 0xffffffff ); + + mfsdr(SDR0_MFR, mfr); + mfr |= SDR0_MFR_FIXD; /* Workaround for PCI/DMA */ + mtsdr(SDR0_MFR, mfr); + + return 0; +} + + +/************************************************************************* + * int misc_init_r() + * + ************************************************************************/ +int misc_init_r(void) +{ + volatile epld_t *x = (epld_t *) CONFIG_SYS_EPLD_BASE; + + /* set modes of operation */ + x->ethuart |= EPLD2_ETH_MODE_10 | EPLD2_ETH_MODE_100 | + EPLD2_ETH_MODE_1000 | EPLD2_ETH_DUPLEX_MODE; + /* clear ETHERNET_AUTO_NEGO bit to turn on autonegotiation */ + x->ethuart &= ~EPLD2_ETH_AUTO_NEGO; + + /* put Ethernet+PHY in reset */ + x->ethuart &= ~EPLD2_RESET_ETH_N; + udelay(10000); + /* take Ethernet+PHY out of reset */ + x->ethuart |= EPLD2_RESET_ETH_N; + + return 0; +} + + +/************************************************************************* + * int checkboard() + * + ************************************************************************/ +int checkboard(void) +{ + char buf[64]; + int i = getenv_f("serial#", buf, sizeof(buf)); + + printf("Board: Luan - AMCC PPC440SP Evaluation Board"); + + if (i > 0) { + puts(", serial# "); + puts(buf); + } + putc('\n'); + + return 0; +} + +/* + * Override the default functions in arch/powerpc/cpu/ppc4xx/44x_spd_ddr2.c with + * board specific values. + */ +u32 ddr_clktr(u32 default_val) { + return (SDRAM_CLKTR_CLKP_180_DEG_ADV); +} + +/************************************************************************* + * hw_watchdog_reset + * + * This routine is called to reset (keep alive) the watchdog timer + * + ************************************************************************/ +#if defined(CONFIG_HW_WATCHDOG) +void hw_watchdog_reset(void) +{ +} +#endif + + +/************************************************************************* + * int on_off() + * + ************************************************************************/ +static int on_off( const char *s ) +{ + if (strcmp(s, "on") == 0) { + return 1; + } else if (strcmp(s, "off") == 0) { + return 0; + } + return -1; +} + + +/************************************************************************* + * void l2cache_disable() + * + ************************************************************************/ +static void l2cache_disable(void) +{ + mtdcr( L2_CACHE_CFG, 0 ); +} + + +/************************************************************************* + * void l2cache_enable() + * + ************************************************************************/ +static void l2cache_enable(void) /* see p258 7.4.1 Enabling L2 Cache */ +{ + mtdcr( L2_CACHE_CFG, 0x80000000 ); /* enable L2_MODE L2_CFG[L2M] */ + + mtdcr( L2_CACHE_ADDR, 0 ); /* set L2_ADDR with all zeros */ + + mtdcr( L2_CACHE_CMD, 0x80000000 ); /* issue HCLEAR command via L2_CMD */ + + while (!(mfdcr( L2_CACHE_STAT ) & 0x80000000 )) ;; /* poll L2_SR for completion */ + + mtdcr( L2_CACHE_CMD, 0x10000000 ); /* clear cache errors L2_CMD[CCP] */ + + mtdcr( L2_CACHE_CMD, 0x08000000 ); /* clear tag errors L2_CMD[CTE] */ + + mtdcr( L2_CACHE_SNP0, 0 ); /* snoop registers */ + mtdcr( L2_CACHE_SNP1, 0 ); + + __asm__ volatile ("sync"); /* msync */ + + mtdcr( L2_CACHE_CFG, 0xe0000000 ); /* inst and data use L2 */ + + __asm__ volatile ("sync"); +} + + +/************************************************************************* + * int l2cache_status() + * + ************************************************************************/ +static int l2cache_status(void) +{ + return (mfdcr( L2_CACHE_CFG ) & 0x60000000) != 0; +} + + +/************************************************************************* + * int do_l2cache() + * + ************************************************************************/ +int do_l2cache( cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[] ) +{ + switch (argc) { + case 2: /* on / off */ + switch (on_off(argv[1])) { + case 0: l2cache_disable(); + break; + case 1: l2cache_enable(); + break; + } + /* FALL TROUGH */ + case 1: /* get status */ + printf ("L2 Cache is %s\n", + l2cache_status() ? "ON" : "OFF"); + return 0; + default: + return cmd_usage(cmdtp); + } + + return 0; +} + + +U_BOOT_CMD( + l2cache, 2, 1, do_l2cache, + "enable or disable L2 cache", + "[on, off]\n" + " - enable or disable L2 cache" +); |