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https://github.com/AsahiLinux/u-boot
synced 2024-11-11 07:34:31 +00:00
Code reworked for PPC405EP support.
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parent
d4629c8c8d
commit
c231d00f4e
2 changed files with 19 additions and 24 deletions
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@ -114,9 +114,9 @@ int board_pre_init (void)
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/*
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* Setup port pins for normal operation
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*/
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out32 (IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */
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out32 (IBM405GP_GPIO0_TCR, 0x07038100); /* setup for output */
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out32 (IBM405GP_GPIO0_OR, 0x07030100); /* set output pins to high (default) */
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out32 (GPIO0_ODR, 0x00000000); /* no open drain pins */
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out32 (GPIO0_TCR, 0x07038100); /* setup for output */
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out32 (GPIO0_OR, 0x07030100); /* set output pins to high (default) */
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/*
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* IRQ 0-15 405GP internally generated; active high; level sensitive
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@ -1,5 +1,5 @@
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/*
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* (C) Copyright 2001
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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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@ -36,11 +36,6 @@
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#define MAX_ONES 226
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#define IBM405GP_GPIO0_OR 0xef600700 /* GPIO Output */
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#define IBM405GP_GPIO0_TCR 0xef600704 /* GPIO Three-State Control */
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#define IBM405GP_GPIO0_ODR 0xef600718 /* GPIO Open Drain */
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#define IBM405GP_GPIO0_IR 0xef60071c /* GPIO Input */
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#ifdef CFG_FPGA_PRG
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# define FPGA_PRG CFG_FPGA_PRG /* FPGA program pin (ppc output)*/
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# define FPGA_CLK CFG_FPGA_CLK /* FPGA clk pin (ppc output) */
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@ -59,7 +54,7 @@
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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(IBM405GP_GPIO0_OR, data)
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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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@ -120,12 +115,12 @@ static int fpga_boot(unsigned char *fpgadata, int size)
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/*
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* Setup port pins for fpga programming
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*/
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out32(IBM405GP_GPIO0_ODR, 0x00000000); /* no open drain pins */
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out32(IBM405GP_GPIO0_TCR, FPGA_PRG | FPGA_CLK | FPGA_DATA); /* setup for output */
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out32(IBM405GP_GPIO0_OR, FPGA_PRG | FPGA_CLK | FPGA_DATA); /* set output pins to high */
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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, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
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DBG("%s, ",((in32(GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((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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@ -134,7 +129,7 @@ static int fpga_boot(unsigned char *fpgadata, int size)
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/* Wait for FPGA init line low */
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count = 0;
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while (in32(IBM405GP_GPIO0_IR) & FPGA_INIT)
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while (in32(GPIO0_IR) & FPGA_INIT)
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{
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udelay(1000); /* wait 1ms */
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/* Check for timeout - 100us max, so use 3ms */
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@ -145,15 +140,15 @@ static int fpga_boot(unsigned char *fpgadata, int size)
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}
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}
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DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
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DBG("%s, ",((in32(GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((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(IBM405GP_GPIO0_IR) & FPGA_INIT))
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while (!(in32(GPIO0_IR) & FPGA_INIT))
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{
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udelay(1000); /* wait 1ms */
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/* Check for timeout */
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@ -164,8 +159,8 @@ static int fpga_boot(unsigned char *fpgadata, int size)
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}
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}
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DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
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DBG("%s, ",((in32(GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((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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@ -237,8 +232,8 @@ static int fpga_boot(unsigned char *fpgadata, int size)
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}
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#endif
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DBG("%s, ",((in32(IBM405GP_GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((in32(IBM405GP_GPIO0_IR) & FPGA_INIT) == 0) ? "NOT INIT" : "INIT" );
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DBG("%s, ",((in32(GPIO0_IR) & FPGA_DONE) == 0) ? "NOT DONE" : "DONE" );
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DBG("%s\n",((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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@ -246,7 +241,7 @@ static int fpga_boot(unsigned char *fpgadata, int size)
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/* Wait for FPGA end of programming period . */
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count = 0;
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while (!(in32(IBM405GP_GPIO0_IR) & FPGA_DONE))
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while (!(in32(GPIO0_IR) & FPGA_DONE))
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{
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udelay(1000); /* wait 1ms */
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/* Check for timeout */
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