Signed-off-by: Masahiro Yamada <yamada.m@jp.panasonic.com> Cc: Andrea Marson <andrea.marson@dave-tech.it>master
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/*
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* (C) Copyright 2001-2003 |
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* Matthias Fuchs, esd gmbh germany, matthias.fuchs@esd-electronics.com |
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <asm/processor.h> |
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#include <command.h> |
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/* ------------------------------------------------------------------------- */ |
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#ifdef FPGA_DEBUG |
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#define DBG(x...) printf(x) |
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#else |
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#define DBG(x...) |
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#endif /* DEBUG */ |
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#define MAX_ONES 226 |
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#ifdef CONFIG_SYS_FPGA_PRG |
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# define FPGA_PRG CONFIG_SYS_FPGA_PRG /* FPGA program pin (ppc output)*/ |
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# define FPGA_CLK CONFIG_SYS_FPGA_CLK /* FPGA clk pin (ppc output) */ |
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# define FPGA_DATA CONFIG_SYS_FPGA_DATA /* FPGA data pin (ppc output) */ |
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# define FPGA_DONE CONFIG_SYS_FPGA_DONE /* FPGA done pin (ppc input) */ |
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# define FPGA_INIT CONFIG_SYS_FPGA_INIT /* FPGA init pin (ppc input) */ |
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#else |
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# define FPGA_PRG 0x04000000 /* FPGA program pin (ppc output) */ |
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# define FPGA_CLK 0x02000000 /* FPGA clk pin (ppc output) */ |
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# define FPGA_DATA 0x01000000 /* FPGA data pin (ppc output) */ |
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# define FPGA_DONE 0x00800000 /* FPGA done pin (ppc input) */ |
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# define FPGA_INIT 0x00400000 /* FPGA init pin (ppc input) */ |
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#endif |
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#define ERROR_FPGA_PRG_INIT_LOW -1 /* Timeout after PRG* asserted */ |
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#define ERROR_FPGA_PRG_INIT_HIGH -2 /* Timeout after PRG* deasserted */ |
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#define ERROR_FPGA_PRG_DONE -3 /* Timeout after programming */ |
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#define SET_FPGA(data) out32(GPIO0_OR, data) |
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#define FPGA_WRITE_1 { \ |
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SET_FPGA(FPGA_PRG | FPGA_DATA); /* set clock to 0 */ \
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SET_FPGA(FPGA_PRG | FPGA_DATA); /* set data to 1 */ \
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SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set clock to 1 */ \
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SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ |
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#define FPGA_WRITE_0 { \ |
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SET_FPGA(FPGA_PRG | FPGA_DATA); /* set clock to 0 */ \
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SET_FPGA(FPGA_PRG); /* set data to 0 */ \
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SET_FPGA(FPGA_PRG | FPGA_CLK); /* set clock to 1 */ \
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SET_FPGA(FPGA_PRG | FPGA_CLK | FPGA_DATA);} /* set data to 1 */ |
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#if 0 |
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static int fpga_boot (unsigned char *fpgadata, int size) |
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{ |
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int i, index, len; |
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int count; |
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#ifdef CONFIG_SYS_FPGA_SPARTAN2 |
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int j; |
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#else |
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unsigned char b; |
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int bit; |
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#endif |
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/* display infos on fpgaimage */ |
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index = 15; |
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for (i = 0; i < 4; i++) { |
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len = fpgadata[index]; |
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DBG ("FPGA: %s\n", &(fpgadata[index + 1])); |
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index += len + 3; |
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} |
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#ifdef CONFIG_SYS_FPGA_SPARTAN2 |
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/* search for preamble 0xFFFFFFFF */ |
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while (1) { |
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if ((fpgadata[index] == 0xff) && (fpgadata[index + 1] == 0xff) |
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&& (fpgadata[index + 2] == 0xff) |
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&& (fpgadata[index + 3] == 0xff)) |
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break; /* preamble found */ |
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else |
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index++; |
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} |
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#else |
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/* search for preamble 0xFF2X */ |
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for (index = 0; index < size - 1; index++) { |
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if ((fpgadata[index] == 0xff) |
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&& ((fpgadata[index + 1] & 0xf0) == 0x30)) |
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break; |
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} |
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index += 2; |
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#endif |
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DBG ("FPGA: configdata starts at position 0x%x\n", index); |
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DBG ("FPGA: length of fpga-data %d\n", size - index); |
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/*
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* Setup port pins for fpga programming |
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*/ |
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out32 (GPIO0_ODR, 0x00000000); /* no open drain pins */ |
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out32 (GPIO0_TCR, in32 (GPIO0_TCR) | FPGA_PRG | FPGA_CLK | FPGA_DATA); /* setup for output */ |
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out32 (GPIO0_OR, in32 (GPIO0_OR) | FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set pins to high */ |
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DBG ("%s, ", |
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((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE"); |
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DBG ("%s\n", |
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((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT"); |
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/*
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* Init fpga by asserting and deasserting PROGRAM* |
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*/ |
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SET_FPGA (FPGA_CLK | FPGA_DATA); |
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/* Wait for FPGA init line low */ |
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count = 0; |
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while (in32 (GPIO0_IR) & FPGA_INIT) { |
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udelay (1000); /* wait 1ms */ |
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/* Check for timeout - 100us max, so use 3ms */ |
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if (count++ > 3) { |
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DBG ("FPGA: Booting failed!\n"); |
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return ERROR_FPGA_PRG_INIT_LOW; |
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} |
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} |
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DBG ("%s, ", |
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((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE"); |
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DBG ("%s\n", |
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((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT"); |
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/* deassert PROGRAM* */ |
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SET_FPGA (FPGA_PRG | FPGA_CLK | FPGA_DATA); |
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/* Wait for FPGA end of init period . */ |
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count = 0; |
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while (!(in32 (GPIO0_IR) & FPGA_INIT)) { |
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udelay (1000); /* wait 1ms */ |
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/* Check for timeout */ |
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if (count++ > 3) { |
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DBG ("FPGA: Booting failed!\n"); |
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return ERROR_FPGA_PRG_INIT_HIGH; |
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} |
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} |
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DBG ("%s, ", |
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((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE"); |
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DBG ("%s\n", |
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((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT"); |
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DBG ("write configuration data into fpga\n"); |
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/* write configuration-data into fpga... */ |
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#ifdef CONFIG_SYS_FPGA_SPARTAN2 |
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/*
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* Load uncompressed image into fpga |
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*/ |
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for (i = index; i < size; i++) { |
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for (j = 0; j < 8; j++) { |
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if ((fpgadata[i] & 0x80) == 0x80) { |
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FPGA_WRITE_1; |
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} else { |
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FPGA_WRITE_0; |
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} |
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fpgadata[i] <<= 1; |
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} |
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} |
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#else /* ! CONFIG_SYS_FPGA_SPARTAN2 */ |
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/* send 0xff 0x20 */ |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_1; |
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FPGA_WRITE_0; |
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FPGA_WRITE_0; |
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FPGA_WRITE_1; |
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FPGA_WRITE_0; |
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FPGA_WRITE_0; |
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FPGA_WRITE_0; |
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FPGA_WRITE_0; |
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FPGA_WRITE_0; |
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/*
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** Bit_DeCompression |
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** Code 1 .. maxOnes : n '1's followed by '0' |
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** maxOnes + 1 .. maxOnes + 1 : n - 1 '1's no '0' |
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** maxOnes + 2 .. 254 : n - (maxOnes + 2) '0's followed by '1' |
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** 255 : '1' |
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*/ |
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for (i = index; i < size; i++) { |
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b = fpgadata[i]; |
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if ((b >= 1) && (b <= MAX_ONES)) { |
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for (bit = 0; bit < b; bit++) { |
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FPGA_WRITE_1; |
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} |
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FPGA_WRITE_0; |
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} else if (b == (MAX_ONES + 1)) { |
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for (bit = 1; bit < b; bit++) { |
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FPGA_WRITE_1; |
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} |
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} else if ((b >= (MAX_ONES + 2)) && (b <= 254)) { |
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for (bit = 0; bit < (b - (MAX_ONES + 2)); bit++) { |
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FPGA_WRITE_0; |
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} |
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FPGA_WRITE_1; |
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} else if (b == 255) { |
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FPGA_WRITE_1; |
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} |
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} |
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#endif /* CONFIG_SYS_FPGA_SPARTAN2 */ |
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DBG ("%s, ", |
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((in32 (GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE"); |
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DBG ("%s\n", |
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((in32 (GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT"); |
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/*
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* Check if fpga's DONE signal - correctly booted ? |
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*/ |
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/* Wait for FPGA end of programming period . */ |
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count = 0; |
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while (!(in32 (GPIO0_IR) & FPGA_DONE)) { |
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udelay (1000); /* wait 1ms */ |
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/* Check for timeout */ |
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if (count++ > 3) { |
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DBG ("FPGA: Booting failed!\n"); |
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return ERROR_FPGA_PRG_DONE; |
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} |
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} |
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DBG ("FPGA: Booting successful!\n"); |
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return 0; |
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} |
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#endif /* 0 */ |
@ -1,186 +0,0 @@ |
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/*
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* (C) Copyright 2001 |
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* Stefan Roese, esd gmbh germany, stefan.roese@esd-electronics.com |
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* |
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* SPDX-License-Identifier: GPL-2.0+ |
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*/ |
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#include <common.h> |
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#include <asm/ppc4xx.h> |
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#include <asm/processor.h> |
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#include <pci.h> |
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u_long pci9054_iobase; |
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#define PCI_PRIMARY_CAR (0x500000dc) /* PCI config address reg */ |
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#define PCI_PRIMARY_CDR (0x80000000) /* PCI config data reg */ |
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/*-----------------------------------------------------------------------------+
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| Subroutine: pci9054_read_config_dword |
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| Description: Read a PCI configuration register |
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| Inputs: |
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| hose PCI Controller |
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| dev PCI Bus+Device+Function number |
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| offset Configuration register number |
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| value Address of the configuration register value |
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| Return value: |
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| 0 Successful |
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+-----------------------------------------------------------------------------*/ |
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int pci9054_read_config_dword(struct pci_controller *hose, |
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pci_dev_t dev, int offset, u32* value) |
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{ |
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unsigned long conAdrVal; |
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unsigned long val; |
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/* generate coded value for CON_ADR register */ |
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conAdrVal = dev | (offset & 0xfc) | 0x80000000; |
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/* Load the CON_ADR (CAR) value first, then read from CON_DATA (CDR) */ |
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*(unsigned long *)PCI_PRIMARY_CAR = conAdrVal; |
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/* Note: *pResult comes back as -1 if machine check happened */ |
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val = in32r(PCI_PRIMARY_CDR); |
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*value = (unsigned long) val; |
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out32r(PCI_PRIMARY_CAR, 0); |
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if ((*(unsigned long *)0x50000304) & 0x60000000) |
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{ |
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/* clear pci master/target abort bits */ |
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*(unsigned long *)0x50000304 = *(unsigned long *)0x50000304; |
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} |
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return 0; |
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} |
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/*-----------------------------------------------------------------------------+
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| Subroutine: pci9054_write_config_dword |
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| Description: Write a PCI configuration register. |
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| Inputs: |
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| hose PCI Controller |
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| dev PCI Bus+Device+Function number |
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| offset Configuration register number |
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| Value Configuration register value |
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| Return value: |
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| 0 Successful |
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| Updated for pass2 errata #6. Need to disable interrupts and clear the |
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| PCICFGADR reg after writing the PCICFGDATA reg. |
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+-----------------------------------------------------------------------------*/ |
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int pci9054_write_config_dword(struct pci_controller *hose, |
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pci_dev_t dev, int offset, u32 value) |
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{ |
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unsigned long conAdrVal; |
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conAdrVal = dev | (offset & 0xfc) | 0x80000000; |
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*(unsigned long *)PCI_PRIMARY_CAR = conAdrVal; |
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out32r(PCI_PRIMARY_CDR, value); |
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out32r(PCI_PRIMARY_CAR, 0); |
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/* clear pci master/target abort bits */ |
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*(unsigned long *)0x50000304 = *(unsigned long *)0x50000304; |
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return (0); |
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} |
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/*-----------------------------------------------------------------------
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*/ |
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#ifdef CONFIG_DASA_SIM |
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static void pci_dasa_sim_config_pci9054(struct pci_controller *hose, pci_dev_t dev, |
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struct pci_config_table *_) |
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{ |
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unsigned int iobase; |
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unsigned short status = 0; |
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unsigned char timer; |
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/*
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* Configure PLX PCI9054 |
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*/ |
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pci_read_config_word(CONFIG_SYS_PCI9054_DEV_FN, PCI_COMMAND, &status); |
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status |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY; |
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pci_write_config_word(CONFIG_SYS_PCI9054_DEV_FN, PCI_COMMAND, status); |
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/* Check the latency timer for values >= 0x60.
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*/ |
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pci_read_config_byte(CONFIG_SYS_PCI9054_DEV_FN, PCI_LATENCY_TIMER, &timer); |
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if (timer < 0x60) |
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{ |
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pci_write_config_byte(CONFIG_SYS_PCI9054_DEV_FN, PCI_LATENCY_TIMER, 0x60); |
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} |
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/* Set I/O base register.
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*/ |
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pci_write_config_dword(CONFIG_SYS_PCI9054_DEV_FN, PCI_BASE_ADDRESS_0, CONFIG_SYS_PCI9054_IOBASE); |
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pci_read_config_dword(CONFIG_SYS_PCI9054_DEV_FN, PCI_BASE_ADDRESS_0, &iobase); |
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pci9054_iobase = pci_mem_to_phys(CONFIG_SYS_PCI9054_DEV_FN, iobase & PCI_BASE_ADDRESS_MEM_MASK); |
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if (pci9054_iobase == 0xffffffff) |
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{ |
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printf("Error: Can not set I/O base register.\n"); |
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return; |
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} |
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} |
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#endif |
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static struct pci_config_table pci9054_config_table[] = { |
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#ifndef CONFIG_PCI_PNP |
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{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
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PCI_BUS(CONFIG_SYS_ETH_DEV_FN), PCI_DEV(CONFIG_SYS_ETH_DEV_FN), PCI_FUNC(CONFIG_SYS_ETH_DEV_FN), |
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pci_cfgfunc_config_device, { CONFIG_SYS_ETH_IOBASE, |
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CONFIG_SYS_ETH_IOBASE, |
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PCI_COMMAND_IO | PCI_COMMAND_MASTER }}, |
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#ifdef CONFIG_DASA_SIM |
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{ PCI_ANY_ID, PCI_ANY_ID, PCI_ANY_ID, |
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PCI_BUS(CONFIG_SYS_PCI9054_DEV_FN), PCI_DEV(CONFIG_SYS_PCI9054_DEV_FN), PCI_FUNC(CONFIG_SYS_PCI9054_DEV_FN), |
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pci_dasa_sim_config_pci9054 }, |
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#endif |
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#endif |
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{ } |
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}; |
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static struct pci_controller pci9054_hose = { |
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config_table: pci9054_config_table, |
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}; |
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void pci_init(void) |
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{ |
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struct pci_controller *hose = &pci9054_hose; |
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/*
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* Register the hose |
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*/ |
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hose->first_busno = 0; |
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hose->last_busno = 0xff; |
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/* System memory space */ |
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pci_set_region(hose->regions + 0, |
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0x00000000, 0x00000000, 0x01000000, |
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PCI_REGION_MEM | PCI_REGION_SYS_MEMORY); |
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/* PCI Memory space */ |
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pci_set_region(hose->regions + 1, |
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0x00000000, 0xc0000000, 0x10000000, |
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PCI_REGION_MEM); |
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pci_set_ops(hose, |
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pci_hose_read_config_byte_via_dword, |
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pci_hose_read_config_word_via_dword, |
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pci9054_read_config_dword, |
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pci_hose_write_config_byte_via_dword, |
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pci_hose_write_config_word_via_dword, |
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pci9054_write_config_dword); |
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hose->region_count = 2; |
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pci_register_hose(hose); |
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hose->last_busno = pci_hose_scan(hose); |
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} |
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