diff options
Diffstat (limited to 'qemu/roms/u-boot/board/csb272/csb272.c')
| -rw-r--r-- | qemu/roms/u-boot/board/csb272/csb272.c | 171 |
1 files changed, 0 insertions, 171 deletions
diff --git a/qemu/roms/u-boot/board/csb272/csb272.c b/qemu/roms/u-boot/board/csb272/csb272.c deleted file mode 100644 index dc2c9503e..000000000 --- a/qemu/roms/u-boot/board/csb272/csb272.c +++ /dev/null @@ -1,171 +0,0 @@ -/* - * (C) Copyright 2004 - * Tolunay Orkun, Nextio Inc., torkun@nextio.com - * - * SPDX-License-Identifier: GPL-2.0+ - */ - -#include <common.h> -#include <asm/processor.h> -#include <i2c.h> -#include <miiphy.h> -#include <asm/ppc4xx-emac.h> - -void sdram_init(void); - -/* - * Configuration data for AMIS FS6377-01 Programmable 3-PLL Clock Generator - * - * CLKA output => Epson LCD Controller - * CLKB output => Not Connected - * CLKC output => Ethernet - * CLKD output => UART external clock - * - * Note: these values are obtained from device after init by micromonitor -*/ -uchar pll_fs6377_regs[16] = { - 0x28, 0xef, 0x53, 0x03, 0x4b, 0x80, 0x32, 0x80, - 0x94, 0x32, 0x80, 0xd4, 0x56, 0xf6, 0xf6, 0xe0 }; - -/* - * pll_init: Initialize AMIS IC FS6377-01 PLL - * - * PLL supplies Epson LCD Clock, Ethernet Clock and UART external clock - * - */ -int pll_init(void) -{ - i2c_set_bus_num(0); - - return i2c_write(CONFIG_SYS_I2C_PLL_ADDR, 0, 1, - (uchar *) pll_fs6377_regs, sizeof(pll_fs6377_regs)); -} - -/* - * board_early_init_f: do early board initialization - * - */ -int board_early_init_f(void) -{ - /* initialize PLL so UART, LCD, Ethernet clocked at correctly */ - (void) get_clocks(); - pll_init(); - - /*-------------------------------------------------------------------------+ - | Interrupt controller setup for the Walnut board. - | Note: IRQ 0-15 405GP internally generated; active high; level sensitive - | IRQ 16 405GP internally generated; active low; level sensitive - | IRQ 17-24 RESERVED - | IRQ 25 (EXT IRQ 0) FPGA; active high; level sensitive - | IRQ 26 (EXT IRQ 1) SMI; active high; level sensitive - | IRQ 27 (EXT IRQ 2) Not Used - | IRQ 28 (EXT IRQ 3) PCI SLOT 3; active low; level sensitive - | IRQ 29 (EXT IRQ 4) PCI SLOT 2; active low; level sensitive - | IRQ 30 (EXT IRQ 5) PCI SLOT 1; active low; level sensitive - | IRQ 31 (EXT IRQ 6) PCI SLOT 0; active low; level sensitive - | Note for Walnut board: - | An interrupt taken for the FPGA (IRQ 25) indicates that either - | the Mouse, Keyboard, IRDA, or External Expansion caused the - | interrupt. The FPGA must be read to determine which device - | caused the interrupt. The default setting of the FPGA clears - | - +-------------------------------------------------------------------------*/ - - mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ - mtdcr (UIC0ER, 0x00000000); /* disable all ints */ - mtdcr (UIC0CR, 0x00000000); /* set all to be non-critical */ - mtdcr (UIC0PR, 0xFFFFFF83); /* set int polarities */ - mtdcr (UIC0TR, 0x10000000); /* set int trigger levels */ - mtdcr (UIC0VCR, 0x00000001); /* set vect base=0,INT0 highest priority */ - mtdcr (UIC0SR, 0xFFFFFFFF); /* clear all ints */ - - mtebc (EBC0_CFG, 0xa8400000); /* EBC always driven */ - - return 0; /* success */ -} - -/* - * checkboard: identify/verify the board we are running - * - * Remark: we just assume it is correct board here! - * - */ -int checkboard(void) -{ - printf("BOARD: Cogent CSB272\n"); - - return 0; /* success */ -} - -/* - * initram: Determine the size of mounted DRAM - * - * Size is determined by reading SDRAM configuration registers as - * configured by initialization code - * - */ -phys_size_t initdram (int board_type) -{ - ulong tot_size; - ulong bank_size; - ulong tmp; - - /* - * ToDo: Move the asm init routine sdram_init() to this C file, - * or even better use some common ppc4xx code available - * in arch/powerpc/cpu/ppc4xx - */ - sdram_init(); - - tot_size = 0; - - mtdcr (SDRAM0_CFGADDR, SDRAM0_B0CR); - tmp = mfdcr (SDRAM0_CFGDATA); - if (tmp & 0x00000001) { - bank_size = 0x00400000 << ((tmp >> 17) & 0x7); - tot_size += bank_size; - } - - mtdcr (SDRAM0_CFGADDR, SDRAM0_B1CR); - tmp = mfdcr (SDRAM0_CFGDATA); - if (tmp & 0x00000001) { - bank_size = 0x00400000 << ((tmp >> 17) & 0x7); - tot_size += bank_size; - } - - mtdcr (SDRAM0_CFGADDR, SDRAM0_B2CR); - tmp = mfdcr (SDRAM0_CFGDATA); - if (tmp & 0x00000001) { - bank_size = 0x00400000 << ((tmp >> 17) & 0x7); - tot_size += bank_size; - } - - mtdcr (SDRAM0_CFGADDR, SDRAM0_B3CR); - tmp = mfdcr (SDRAM0_CFGDATA); - if (tmp & 0x00000001) { - bank_size = 0x00400000 << ((tmp >> 17) & 0x7); - tot_size += bank_size; - } - - return tot_size; -} - -/* - * last_stage_init: final configurations (such as PHY etc) - * - */ -int last_stage_init(void) -{ - /* initialize the PHY */ - miiphy_reset("ppc_4xx_eth0", CONFIG_PHY_ADDR); - - /* AUTO neg */ - miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, MII_BMCR, - BMCR_ANENABLE | BMCR_ANRESTART); - - /* LEDs */ - miiphy_write("ppc_4xx_eth0", CONFIG_PHY_ADDR, MII_NWAYTEST, 0x0d08); - - - return 0; /* success */ -} |