mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-25 21:24:21 +08:00
[PATCH] Clean up 40EZ/Acadia support
This patch cleans up all the open issue of the preliminary Acadia support. Signed-off-by: Stefan Roese <sr@denx.de>
This commit is contained in:
Stefan Roese
parent
16c0cc1c82
commit
3cb86f3e40
@ -26,9 +26,6 @@
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extern void board_pll_init_f(void);
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/* Some specific Acadia Defines */
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#define CPLD_BASE 0x80000000
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void liveoak_gpio_init(void)
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{
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/*
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@ -54,62 +51,12 @@ void liveoak_gpio_init(void)
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out32(GPIO1_TCR, CFG_GPIO1_TCR); /* enable output driver for outputs */
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}
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#if 0 /* test-only: not called at all??? */
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void ext_bus_cntlr_init(void)
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{
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#if (defined(EBC_PB4AP) && defined(EBC_PB4CR) && !(CFG_INIT_DCACHE_CS == 4))
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mtebc(pb4ap, EBC_PB4AP);
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mtebc(pb4cr, EBC_PB4CR);
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#endif
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}
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#endif
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int board_early_init_f(void)
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{
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unsigned int reg;
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#if 0 /* test-only */
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/*
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* If CRAM memory and SPI/NAND boot, and if the CRAM memory is
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* already initialized by the pre-loader then we can't reinitialize
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* CPR registers, GPIO registers and EBC registers as this will
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* have the effect of un-initializing CRAM.
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*/
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spr_reg = (volatile unsigned long) mfspr(SPRG7);
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if (spr_reg != LOAK_CRAM) { /* != CRAM */
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board_pll_init_f();
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liveoak_gpio_init();
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ext_bus_cntlr_init();
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mtebc(pb1ap, CFG_EBC_PB1AP);
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mtebc(pb1cr, CFG_EBC_PB1CR);
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mtebc(pb2ap, CFG_EBC_PB2AP);
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mtebc(pb2cr, CFG_EBC_PB2CR);
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}
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#else
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board_pll_init_f();
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liveoak_gpio_init();
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/* ext_bus_cntlr_init(); */
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#endif
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#if 0 /* test-only (orig) */
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/*
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* If we boot from NAND Flash, we are running in
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* RAM, so disable the EBC_CS0 so that it goes back
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* to the NOR Flash. It will be enabled later
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* for the NAND Flash on EBC_CS1
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*/
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mfsdr(sdrultra0, reg);
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mtsdr(sdrultra0, reg & ~SDR_ULTRA0_CSNSEL0);
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#endif
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#if 0 /* test-only */
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/* configure for NAND */
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mfsdr(sdrultra0, reg);
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reg &= ~SDR_ULTRA0_CSN_MASK;
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reg |= SDR_ULTRA0_CSNSEL0 >> CFG_NAND_CS;
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mtsdr(sdrultra0, reg & ~SDR_ULTRA0_CSNSEL0);
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#endif
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/* USB Host core needs this bit set */
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mfsdr(sdrultra1, reg);
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@ -128,7 +75,7 @@ int board_early_init_f(void)
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int misc_init_f(void)
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{
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/* Set EPLD to take PHY out of reset */
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out8(CPLD_BASE + 0x05, 0x00);
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out8(CFG_CPLD_BASE + 0x05, 0x00);
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udelay(100000);
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return 0;
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@ -1,5 +1,5 @@
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#
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# (C) Copyright 2000
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# (C) Copyright 2007
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# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
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#
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# See file CREDITS for list of people who contributed to this
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@ -27,15 +27,6 @@ ifndef TEXT_BASE
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TEXT_BASE = 0xFFFC0000
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endif
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ifeq ($(CONFIG_NAND_U_BOOT),y)
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LDSCRIPT = $(TOPDIR)/board/$(BOARDDIR)/u-boot-nand.lds
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endif
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ifeq ($(CONFIG_SPI_U_BOOT),y)
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LDSCRIPT = $(TOPDIR)/board/$(BOARDDIR)/u-boot-spi.lds
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PAD_TO = 0x00840000
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endif
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ifeq ($(debug),1)
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PLATFORM_CPPFLAGS += -DDEBUG
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endif
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@ -76,19 +76,19 @@ void board_pll_init_f(void)
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* | UART0 | 28.57 | 7 (0x07)|
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* | UART1 | 28.57 | 7 (0x07)|
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* | DAC | 28.57 | 7 (0xA7)|
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* | ADC | 4 | 50 (0x32)|
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* | ADC | 4 | 50 (0x32)|
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* | PWM | 28.57 | 7 (0x07)|
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* | EMAC | 4 | 50 (0x32)|
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* -----------------------------------
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*/
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/* Initialize PLL */
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mtcpr(cprpllc, 0x20000238);
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mtcpr(cprplld, 0x03010400);
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mtcpr(cprpllc, 0x20000238);
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mtcpr(cprplld, 0x03010400);
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mtcpr(cprprimad, 0x03050a0a);
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mtcpr(cprperc0, 0x00000000);
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mtcpr(cprperd0, 0x070a0707); /* SPI clk div. eq. OPB clk div. */
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mtcpr(cprperd1, 0x07323200);
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mtcpr(cprperc0, 0x00000000);
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mtcpr(cprperd0, 0x070a0707); /* SPI clk div. eq. OPB clk div. */
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mtcpr(cprperd1, 0x07323200);
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mtcpr(cprclkupd, 0x40000000);
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}
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@ -117,11 +117,11 @@ void board_pll_init_f(void)
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*/
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/* Initialize PLL */
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mtcpr(cprpllc, 0x0000033C);
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mtcpr(cprplld, 0x0a010000);
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mtcpr(cprpllc, 0x0000033C);
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mtcpr(cprplld, 0x0a010000);
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mtcpr(cprprimad, 0x02040808);
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mtcpr(cprperd0, 0x02080505); /* SPI clk div. eq. OPB clk div. */
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mtcpr(cprperd1, 0xA6A60300);
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mtcpr(cprperd0, 0x02080505); /* SPI clk div. eq. OPB clk div. */
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mtcpr(cprperd1, 0xA6A60300);
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mtcpr(cprclkupd, 0x40000000);
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}
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@ -143,20 +143,20 @@ void board_pll_init_f(void)
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*/
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/* Initialize PLL */
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mtcpr(cprpllc, 0x000003BC);
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mtcpr(cprplld, 0x06060600);
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mtcpr(cprpllc, 0x000003BC);
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mtcpr(cprplld, 0x06060600);
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mtcpr(cprprimad, 0x02020004);
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mtcpr(cprperd0, 0x04002828); /* SPI clk div. eq. OPB clk div. */
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mtcpr(cprperd1, 0xC8C81600);
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mtcpr(cprperd0, 0x04002828); /* SPI clk div. eq. OPB clk div. */
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mtcpr(cprperd1, 0xC8C81600);
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mtcpr(cprclkupd, 0x40000000);
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}
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#endif /* CPU_<speed>_405EZ */
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#endif /* CPU_<speed>_405EZ */
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#if defined(CONFIG_NAND_SPL) || defined(CONFIG_SPI_SPL)
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/*
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* Get timebase clock frequency
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*/
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unsigned long get_tbclk (void)
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unsigned long get_tbclk(void)
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{
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unsigned long cpr_plld;
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unsigned long cpr_primad;
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@ -184,12 +184,12 @@ unsigned long get_tbclk (void)
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/*
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* Determine FBK_DIV.
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*/
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pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24);
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if (pllFbkDiv == 0)
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pllFbkDiv = 256;
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pllFbkDiv = ((cpr_plld & PLLD_FBDV_MASK) >> 24);
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if (pllFbkDiv == 0)
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pllFbkDiv = 256;
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freqProcessor = (CONFIG_SYS_CLK_FREQ * pllFbkDiv) / primad_cpudv;
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return (freqProcessor);
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}
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#endif /* defined(CONFIG_NAND_SPL) || defined(CONFIG_SPI_SPL) */
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#endif /* defined(CONFIG_NAND_SPL) || defined(CONFIG_SPI_SPL) */
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File diff suppressed because it is too large
Load Diff
@ -21,541 +21,80 @@
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* MA 02111-1307 USA
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*/
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#include <common.h>
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#include <asm/processor.h>
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#define CRAM_BANK0_BASE 0x0
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#define CRAM_DIDR 0x00100000
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#define MICRON_MT45W8MW16BGX_CRAM_ID 0x1b431b43
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#define MICRON_MT45W8MW16BGX_CRAM_ID2 0x13431343
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#define MICRON_DIDR_VENDOR_ID 0x00030003 /* 00011b */
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#define CRAM_DIDR_VENDOR_ID_MASK 0x001f001f /* DIDR[4:0] */
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#define CRAM_DEVID_NOT_SUPPORTED 0x00000000
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#define PSRAM_PASS 0x50415353 /* "PASS" */
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#define PSRAM_FAIL 0x4641494C /* "FAIL" */
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static u32 is_cram_inited(void);
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static u32 is_cram(void);
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static long int cram_init(u32);
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static void cram_bcr_write(u32);
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void udelay (unsigned long);
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void sdram_init(void)
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{
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volatile unsigned long spr_reg;
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/*
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* If CRAM not initialized or CRAM looks initialized because this
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* is after a warm reboot then set SPRG7 to indicate CRAM needs
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* initialization. Note that CRAM is initialized by the SPI and
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* NAND preloader.
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*/
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spr_reg = (volatile unsigned long) mfspr(SPRG6);
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if ((is_cram_inited() != 1) || (spr_reg != LOAK_SPL)) {
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mtspr(SPRG7, LOAK_NONE); /* "NONE" */
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}
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#if 1
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/*
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* When running the NAND SPL, the normal EBC configuration is not
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* done, so We need to enable EPLD access on EBC_CS_2 and the memory
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* on EBC_CS_3
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*/
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/* Enable CPLD - Needed for PSRAM Access */
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/* Init SDRAM by setting EBC Bank 3 for PSRAM */
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mtebc(pb1ap, CFG_EBC_PB1AP);
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mtebc(pb1cr, CFG_EBC_PB1CR);
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mtebc(pb2ap, CFG_EBC_PB2AP);
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mtebc(pb2cr, CFG_EBC_PB2CR);
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/* pre-boot loader code: we are in OCM */
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mtspr(SPRG6, LOAK_SPL); /* "SPL " */
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mtspr(SPRG7, LOAK_OCM); /* "OCM " */
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/* define DEBUG for debugging output (obviously ;-)) */
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#if 0
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#define DEBUG
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#endif
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#include <common.h>
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#include <asm/processor.h>
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#include <asm/io.h>
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#include <asm/gpio.h>
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/*
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* sdram_init - Dummy implementation for start.S, spd_sdram used on this board!
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*/
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void sdram_init(void)
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{
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return;
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}
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static void cram_bcr_write(u32 wr_val)
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{
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u32 tmp_reg;
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u32 val;
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volatile u32 gpio_reg;
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wr_val <<= 2;
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/* # Program CRAM write */
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/* set CRAM_CRE to 1 */
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gpio_write_bit(CFG_GPIO_CRAM_CRE, 1);
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/*
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* set CRAM_CRE = 0x1
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* set wr_val = wr_val << 2
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*/
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gpio_reg = in32(GPIO1_OR);
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out32(GPIO1_OR, gpio_reg | 0x00000400);
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wr_val = wr_val << 2;
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/* wr_val = 0x1c048; */
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/* Write BCR to CRAM on CS1 */
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out32(wr_val + 0x00200000, 0);
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debug("CRAM VAL: %08x for CS1 ", wr_val + 0x00200000);
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/* Write BCR to CRAM on CS2 */
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out32(wr_val + 0x02200000, 0);
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debug("CRAM VAL: %08x for CS2\n", wr_val + 0x02200000);
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/*
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* # stop PLL clock before programming CRAM
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* set EPLD0_MUX_CTL.OESPR3 = 1
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* delay 2
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*/
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sync();
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eieio();
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/* set CRAM_CRE back to 0 (normal operation) */
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gpio_write_bit(CFG_GPIO_CRAM_CRE, 0);
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/*
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* # CS1
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* read 0x00200000
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* #shift 2 bit left before write
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* set val = wr_val + 0x00200000
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* write dmem val 0
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* read 0x00200000 val
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* print val/8x
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*/
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tmp_reg = in32(0x00200000);
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val = wr_val + 0x00200000;
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/* val = 0x0021c048; */
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out32(val, 0x0000);
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udelay(100000);
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val = in32(0x00200000);
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debug("CRAM VAL: %x for CS1 ", val);
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/*
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* # CS2
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* read 0x02200000
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* #shift 2 bit left before write
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* set val = wr_val + 0x02200000
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* write dmem val 0
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* read 0x02200000 val
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* print val/8x
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*/
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tmp_reg = in32(0x02200000);
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val = wr_val + 0x02200000;
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/* val = 0x0221c048; */
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out32(val, 0x0000);
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udelay(100000);
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val = in32(0x02200000);
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debug("CRAM VAL: %x for CS2 ", val);
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/*
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* # Start PLL clock before programming CRAM
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* set EPLD0_MUX_CTL.OESPR3 = 0
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*/
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/*
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* set CRAMCR = 0x1
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*/
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gpio_reg = in32(GPIO1_OR);
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out32(GPIO1_OR, gpio_reg | 0x00000400);
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/*
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* # read CRAM config BCR ( bit19:18 = 10b )
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* #read 0x00200000
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* # 1001_1001_0001_1111 ( 991f ) =>
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* #10_0110_0100_0111_1100 => 2647c => 0022647c
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* #0011_0010_0011_1110 (323e)
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* #
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*/
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/*
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* set EPLD0_MUX_CTL.CRAMCR = 0x0
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*/
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gpio_reg = in32(GPIO1_OR);
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out32(GPIO1_OR, gpio_reg & 0xFFFFFBFF);
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return;
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}
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static u32 is_cram_inited()
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{
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volatile unsigned long spr_reg;
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/*
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* If CRAM is initialized already, then don't reinitialize it again.
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* In the case of NAND boot and SPI boot, CRAM will already be
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* initialized by the pre-loader
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*/
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spr_reg = (volatile unsigned long) mfspr(SPRG7);
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if (spr_reg == LOAK_CRAM) {
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return 1;
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} else {
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return 0;
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}
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}
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/******
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* return 0 if not CRAM
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* return 1 if CRAM and it's already inited by preloader
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* else return cram_id (CRAM Device Identification Register)
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******/
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static u32 is_cram(void)
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{
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u32 gpio_TCR, gpio_OSRL, gpio_OR, gpio_ISR1L;
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volatile u32 gpio_reg;
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volatile u32 cram_id = 0;
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if (is_cram_inited() == 1) {
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/* this is CRAM and it is already inited (by preloader) */
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cram_id = 1;
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} else {
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/*
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* # CRAM CLOCK
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* set GPIO0_TCR.G8 = 1
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* set GPIO0_OSRL.G8 = 0
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* set GPIO0_OR.G8 = 0
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*/
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gpio_reg = in32(GPIO0_TCR);
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gpio_TCR = gpio_reg;
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out32(GPIO0_TCR, gpio_reg | 0x00800000);
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gpio_reg = in32(GPIO0_OSRL);
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gpio_OSRL = gpio_reg;
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out32(GPIO0_OSRL, gpio_reg & 0xffffbfff);
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gpio_reg = in32(GPIO0_OR);
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gpio_OR = gpio_reg;
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out32(GPIO0_OR, gpio_reg & 0xff7fffff);
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/*
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* # CRAM Addreaa Valid
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* set GPIO0_TCR.G10 = 1
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* set GPIO0_OSRL.G10 = 0
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* set GPIO0_OR.G10 = 0
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*/
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gpio_reg = in32(GPIO0_TCR);
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out32(GPIO0_TCR, gpio_reg | 0x00200000);
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gpio_reg = in32(GPIO0_OSRL);
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out32(GPIO0_OSRL, gpio_reg & 0xfffffbff);
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gpio_reg = in32(GPIO0_OR);
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out32(GPIO0_OR, gpio_reg & 0xffdfffff);
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/*
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* # config input (EBC_WAIT)
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* set GPIO0_ISR1L.G9 = 1
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* set GPIO0_TCR.G9 = 0
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*/
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gpio_reg = in32(GPIO0_ISR1L);
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gpio_ISR1L = gpio_reg;
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out32(GPIO0_ISR1L, gpio_reg | 0x00001000);
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gpio_reg = in32(GPIO0_TCR);
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out32(GPIO0_TCR, gpio_reg & 0xffbfffff);
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/*
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* Enable CRE to read Registers
|
||||
* set GPIO0_TCR.21 = 1
|
||||
* set GPIO1_OR.21 = 1
|
||||
*/
|
||||
gpio_reg = in32(GPIO1_TCR);
|
||||
out32(GPIO1_TCR, gpio_reg | 0x00000400);
|
||||
|
||||
gpio_reg = in32(GPIO1_OR);
|
||||
out32(GPIO1_OR, gpio_reg | 0x00000400);
|
||||
|
||||
|
||||
|
||||
|
||||
/* Read Version ID */
|
||||
cram_id = (volatile u32) in32(CRAM_BANK0_BASE+CRAM_DIDR);
|
||||
udelay(100000);
|
||||
|
||||
asm volatile(" sync");
|
||||
asm volatile(" eieio");
|
||||
|
||||
debug("Cram ID: %X ", cram_id);
|
||||
|
||||
switch (cram_id) {
|
||||
case MICRON_MT45W8MW16BGX_CRAM_ID:
|
||||
case MICRON_MT45W8MW16BGX_CRAM_ID2:
|
||||
/* supported CRAM vendor/part */
|
||||
break;
|
||||
case CRAM_DEVID_NOT_SUPPORTED:
|
||||
default:
|
||||
/* check for DIDR Vendor ID of Micron */
|
||||
if ((cram_id & CRAM_DIDR_VENDOR_ID_MASK) ==
|
||||
MICRON_DIDR_VENDOR_ID)
|
||||
{
|
||||
/* supported CRAM vendor */
|
||||
break;
|
||||
}
|
||||
/* this is not CRAM or not supported CRAM vendor/part */
|
||||
cram_id = 0;
|
||||
/*
|
||||
* reset the GPIO registers to the values that were
|
||||
* there before this routine
|
||||
*/
|
||||
out32(GPIO0_TCR, gpio_TCR);
|
||||
out32(GPIO0_OSRL, gpio_OSRL);
|
||||
out32(GPIO0_OR, gpio_OR);
|
||||
out32(GPIO0_ISR1L, gpio_ISR1L);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return cram_id;
|
||||
}
|
||||
|
||||
static long int cram_init(u32 already_inited)
|
||||
{
|
||||
volatile u32 tmp_reg;
|
||||
u32 cram_wr_val;
|
||||
|
||||
if (already_inited == 0) return 0;
|
||||
|
||||
/*
|
||||
* If CRAM is initialized already, then don't reinitialize it again.
|
||||
* In the case of NAND boot and SPI boot, CRAM will already be
|
||||
* initialized by the pre-loader
|
||||
*/
|
||||
if (already_inited != 1)
|
||||
{
|
||||
/*
|
||||
* #o CRAM Card
|
||||
* # - CRAMCRE @reg16 = 1; for CRAM to use
|
||||
* # - CRAMCRE @reg16 = 0; for CRAM to program
|
||||
*
|
||||
* # enable CRAM SEL, move from setEPLD.cmd
|
||||
* set EPLD0_MUX_CTL.OECRAM = 0
|
||||
* set EPLD0_MUX_CTL.CRAMCR = 1
|
||||
* set EPLD0_ETHRSTBOOT.SLCRAM = 0
|
||||
* #end
|
||||
*/
|
||||
|
||||
|
||||
/*
|
||||
* #1. EBC need to program READY, CLK, ADV for ASync mode
|
||||
* # config output
|
||||
*/
|
||||
|
||||
/*
|
||||
* # CRAM CLOCK
|
||||
* set GPIO0_TCR.G8 = 1
|
||||
* set GPIO0_OSRL.G8 = 0
|
||||
* set GPIO0_OR.G8 = 0
|
||||
*/
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg | 0x00800000);
|
||||
tmp_reg = in32(GPIO0_OSRL);
|
||||
out32(GPIO0_OSRL, tmp_reg & 0xffffbfff);
|
||||
tmp_reg = in32(GPIO0_OR);
|
||||
out32(GPIO0_OR, tmp_reg & 0xff7fffff);
|
||||
|
||||
/*
|
||||
* # CRAM Addreaa Valid
|
||||
* set GPIO0_TCR.G10 = 1
|
||||
* set GPIO0_OSRL.G10 = 0
|
||||
* set GPIO0_OR.G10 = 0
|
||||
*/
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg | 0x00200000);
|
||||
tmp_reg = in32(GPIO0_OSRL);
|
||||
out32(GPIO0_OSRL, tmp_reg & 0xfffffbff);
|
||||
tmp_reg = in32(GPIO0_OR);
|
||||
out32(GPIO0_OR, tmp_reg & 0xffdfffff);
|
||||
|
||||
/*
|
||||
* # config input (EBC_WAIT)
|
||||
* set GPIO0_ISR1L.G9 = 1
|
||||
* set GPIO0_TCR.G9 = 0
|
||||
*/
|
||||
tmp_reg = in32(GPIO0_ISR1L);
|
||||
out32(GPIO0_ISR1L, tmp_reg | 0x00001000);
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg & 0xffbfffff);
|
||||
|
||||
/*
|
||||
* # config CS4 from GPIO
|
||||
* set GPIO0_TCR.G0 = 1
|
||||
* set GPIO0_OSRL.G0 = 1
|
||||
*/
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg | 0x80000000);
|
||||
tmp_reg = in32(GPIO0_OSRL);
|
||||
out32(GPIO0_OSRL, tmp_reg | 0x40000000);
|
||||
|
||||
/*
|
||||
* #2. EBC in Async mode
|
||||
* # set EBC0_PB1AP = 0x078f0ec0
|
||||
* set EBC0_PB1AP = 0x078f1ec0
|
||||
* set EBC0_PB2AP = 0x078f1ec0
|
||||
*/
|
||||
mtebc(pb1ap, 0x078F1EC0);
|
||||
mtebc(pb2ap, 0x078F1EC0);
|
||||
|
||||
/*
|
||||
* #set EBC0_PB1CR = 0x000bc000
|
||||
* #enable CS2 for CRAM
|
||||
* set EBC0_PB2CR = 0x020bc000
|
||||
*/
|
||||
mtebc(pb1cr, 0x000BC000);
|
||||
mtebc(pb2cr, 0x020BC000);
|
||||
|
||||
/*
|
||||
* #3. set CRAM in Sync mode
|
||||
* #exec cm_bcr_write.cmd { 0x701f }
|
||||
* #3. set CRAM in Sync mode (full drv strength)
|
||||
* exec cm_bcr_write.cmd { 0x701F }
|
||||
*/
|
||||
cram_wr_val = 0x7012; /* CRAM burst setting */
|
||||
cram_bcr_write(cram_wr_val);
|
||||
|
||||
/*
|
||||
* #4. EBC in Sync mode
|
||||
* #set EBC0_PB1AP = 0x9f800fc0
|
||||
* #set EBC0_PB1AP = 0x900001c0
|
||||
* set EBC0_PB2AP = 0x9C0201c0
|
||||
* set EBC0_PB2AP = 0x9C0201c0
|
||||
*/
|
||||
mtebc(pb1ap, 0x9C0201C0);
|
||||
mtebc(pb2ap, 0x9C0201C0);
|
||||
|
||||
/*
|
||||
* #5. EBC need to program READY, CLK, ADV for Sync mode
|
||||
* # config output
|
||||
* set GPIO0_TCR.G8 = 1
|
||||
* set GPIO0_OSRL.G8 = 1
|
||||
* set GPIO0_TCR.G10 = 1
|
||||
* set GPIO0_OSRL.G10 = 1
|
||||
*/
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg | 0x00800000);
|
||||
tmp_reg = in32(GPIO0_OSRL);
|
||||
out32(GPIO0_OSRL, tmp_reg | 0x00004000);
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg | 0x00200000);
|
||||
tmp_reg = in32(GPIO0_OSRL);
|
||||
out32(GPIO0_OSRL, tmp_reg | 0x00000400);
|
||||
|
||||
/*
|
||||
* # config input
|
||||
* set GPIO0_ISR1L.G9 = 1
|
||||
* set GPIO0_TCR.G9 = 0
|
||||
*/
|
||||
tmp_reg = in32(GPIO0_ISR1L);
|
||||
out32(GPIO0_ISR1L, tmp_reg | 0x00001000);
|
||||
tmp_reg = in32(GPIO0_TCR);
|
||||
out32(GPIO0_TCR, tmp_reg & 0xffbfffff);
|
||||
|
||||
/*
|
||||
* # config EBC to use RDY
|
||||
* set SDR0_ULTRA0.EBCREN = 1
|
||||
*/
|
||||
mfsdr(sdrultra0, tmp_reg);
|
||||
mtsdr(sdrultra0, tmp_reg | 0x04000000);
|
||||
|
||||
/*
|
||||
* set EPLD0_MUX_CTL.OESPR3 = 0
|
||||
*/
|
||||
|
||||
|
||||
mtspr(SPRG7, LOAK_CRAM); /* "CRAM" */
|
||||
} /* if (already_inited != 1) */
|
||||
|
||||
return (64 * 1024 * 1024);
|
||||
}
|
||||
|
||||
/******
|
||||
* return 0 if not PSRAM
|
||||
* return 1 if is PSRAM
|
||||
******/
|
||||
static int is_psram(u32 addr)
|
||||
{
|
||||
u32 test_pattern = 0xdeadbeef;
|
||||
volatile u32 readback;
|
||||
|
||||
if (addr == CFG_SDRAM_BASE) {
|
||||
/* This is to temp enable OE for PSRAM */
|
||||
out16(EPLD_BASE+EPLD_MUXOE, 0x7f0f);
|
||||
udelay(10000);
|
||||
}
|
||||
|
||||
out32(addr, test_pattern);
|
||||
asm volatile(" sync");
|
||||
asm volatile(" eieio");
|
||||
|
||||
readback = (volatile u32) in32(addr);
|
||||
asm volatile(" sync");
|
||||
asm volatile(" eieio");
|
||||
if (readback == test_pattern) {
|
||||
return 1;
|
||||
} else {
|
||||
return 0;
|
||||
}
|
||||
}
|
||||
|
||||
static long int psram_init(void)
|
||||
{
|
||||
u32 readback;
|
||||
long psramsize = 0;
|
||||
int i;
|
||||
|
||||
/* This is to temp enable OE for PSRAM */
|
||||
out16(EPLD_BASE+EPLD_MUXOE, 0x7f0f);
|
||||
udelay(10000);
|
||||
|
||||
/*
|
||||
* PSRAM bank 1: read then write to address 0x00000000
|
||||
*/
|
||||
for (i = 0; i < 100; i++) {
|
||||
if (is_psram(CFG_SDRAM_BASE + (i*256)) == 1) {
|
||||
readback = PSRAM_PASS;
|
||||
} else {
|
||||
readback = PSRAM_FAIL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (readback == PSRAM_PASS) {
|
||||
debug("psram_init(bank0): pass\n");
|
||||
psramsize = (16 * 1024 * 1024);
|
||||
} else {
|
||||
debug("psram_init(bank0): fail\n");
|
||||
return 0;
|
||||
}
|
||||
|
||||
#if 0
|
||||
/*
|
||||
* PSRAM bank 1: read then write to address 0x01000000
|
||||
*/
|
||||
for (i = 0; i < 100; i++) {
|
||||
if (is_psram((1 << 24) + (i*256)) == 1) {
|
||||
readback = PSRAM_PASS;
|
||||
} else {
|
||||
readback = PSRAM_FAIL;
|
||||
break;
|
||||
}
|
||||
}
|
||||
if (readback == PSRAM_PASS) {
|
||||
debug("psram_init(bank1): pass\n");
|
||||
psramsize = psramsize + (16 * 1024 * 1024);
|
||||
}
|
||||
#endif
|
||||
|
||||
mtspr(SPRG7, LOAK_PSRAM); /* "PSRA" - PSRAM */
|
||||
|
||||
return psramsize;
|
||||
}
|
||||
|
||||
long int initdram(int board_type)
|
||||
{
|
||||
long int sram_size;
|
||||
u32 cram_inited;
|
||||
u32 val;
|
||||
|
||||
/* Determine Attached Memory Expansion Card*/
|
||||
cram_inited = is_cram();
|
||||
if (cram_inited != 0) { /* CRAM */
|
||||
debug("CRAM Expansion Card attached\n");
|
||||
sram_size = cram_init(cram_inited);
|
||||
} else if (is_psram(CFG_SDRAM_BASE+4) == 1) { /* PSRAM */
|
||||
debug("PSRAM Expansion Card attached\n");
|
||||
sram_size = psram_init();
|
||||
} else { /* no SRAM */
|
||||
debug("No Memory Card Attached!!\n");
|
||||
sram_size = 0;
|
||||
}
|
||||
/* 1. EBC need to program READY, CLK, ADV for ASync mode */
|
||||
gpio_config(CFG_GPIO_CRAM_CLK, GPIO_OUT, GPIO_SEL, GPIO_OUT_0);
|
||||
gpio_config(CFG_GPIO_CRAM_ADV, GPIO_OUT, GPIO_SEL, GPIO_OUT_0);
|
||||
gpio_config(CFG_GPIO_CRAM_CRE, GPIO_OUT, GPIO_SEL, GPIO_OUT_0);
|
||||
gpio_config(CFG_GPIO_CRAM_WAIT, GPIO_IN, GPIO_SEL, GPIO_OUT_NO_CHG);
|
||||
|
||||
return sram_size;
|
||||
/* 2. EBC in Async mode */
|
||||
mtebc(pb1ap, 0x078F1EC0);
|
||||
mtebc(pb2ap, 0x078F1EC0);
|
||||
mtebc(pb1cr, 0x000BC000);
|
||||
mtebc(pb2cr, 0x020BC000);
|
||||
|
||||
/* 3. Set CRAM in Sync mode */
|
||||
cram_bcr_write(0x7012); /* CRAM burst setting */
|
||||
|
||||
/* 4. EBC in Sync mode */
|
||||
mtebc(pb1ap, 0x9C0201C0);
|
||||
mtebc(pb2ap, 0x9C0201C0);
|
||||
|
||||
/* Set GPIO pins back to alternate function */
|
||||
gpio_config(CFG_GPIO_CRAM_CLK, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG);
|
||||
gpio_config(CFG_GPIO_CRAM_ADV, GPIO_OUT, GPIO_ALT1, GPIO_OUT_NO_CHG);
|
||||
|
||||
/* Config EBC to use RDY */
|
||||
mfsdr(sdrultra0, val);
|
||||
mtsdr(sdrultra0, val | 0x04000000);
|
||||
|
||||
return (CFG_MBYTES_RAM << 20);
|
||||
}
|
||||
|
||||
int testdram(void)
|
||||
|
||||
@ -62,19 +62,6 @@ SECTIONS
|
||||
/* the sector layout of our flash chips! XXX FIXME XXX */
|
||||
|
||||
cpu/ppc4xx/start.o (.text)
|
||||
cpu/ppc4xx/kgdb.o (.text)
|
||||
cpu/ppc4xx/traps.o (.text)
|
||||
cpu/ppc4xx/interrupts.o (.text)
|
||||
cpu/ppc4xx/serial.o (.text)
|
||||
cpu/ppc4xx/cpu_init.o (.text)
|
||||
cpu/ppc4xx/speed.o (.text)
|
||||
common/dlmalloc.o (.text)
|
||||
lib_generic/crc32.o (.text)
|
||||
lib_ppc/extable.o (.text)
|
||||
lib_generic/zlib.o (.text)
|
||||
|
||||
/* . = env_offset;*/
|
||||
/* common/environment.o(.text)*/
|
||||
|
||||
*(.text)
|
||||
*(.fixup)
|
||||
|
||||
@ -41,7 +41,7 @@ struct serial_device *default_serial_console (void)
|
||||
|| defined(CONFIG_8xx_CONS_SCC3) || defined(CONFIG_8xx_CONS_SCC4)
|
||||
return &serial_scc_device;
|
||||
#elif defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
|
||||
|| defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
|
||||
|| defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_MPC5xxx)
|
||||
#if defined(CONFIG_CONS_INDEX) && defined(CFG_NS16550_SERIAL)
|
||||
#if (CONFIG_CONS_INDEX==1)
|
||||
return &eserial1_device;
|
||||
@ -91,7 +91,7 @@ void serial_initialize (void)
|
||||
#endif
|
||||
|
||||
#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
|
||||
|| defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
|
||||
|| defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_MPC5xxx)
|
||||
serial_register(&serial0_device);
|
||||
serial_register(&serial1_device);
|
||||
#endif
|
||||
|
||||
214
cpu/ppc4xx/gpio.c
Normal file
214
cpu/ppc4xx/gpio.c
Normal file
@ -0,0 +1,214 @@
|
||||
/*
|
||||
* (C) Copyright 2007
|
||||
* Stefan Roese, DENX Software Engineering, sr@denx.de.
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
*
|
||||
* This program is free software; you can redistribute it and/or
|
||||
* modify it under the terms of the GNU General Public License as
|
||||
* published by the Free Software Foundation; either version 2 of
|
||||
* the License, or (at your option) any later version.
|
||||
*
|
||||
* 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. See the
|
||||
* GNU General Public License for more details.
|
||||
*
|
||||
* You should have received a copy of the GNU General Public License
|
||||
* along with this program; if not, write to the Free Software
|
||||
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
||||
* MA 02111-1307 USA
|
||||
*/
|
||||
|
||||
#include <common.h>
|
||||
#include <asm/processor.h>
|
||||
#include <asm/io.h>
|
||||
#include <asm/gpio.h>
|
||||
|
||||
#if defined(CFG_440_GPIO_TABLE)
|
||||
gpio_param_s gpio_tab[GPIO_GROUP_MAX][GPIO_MAX] = CFG_440_GPIO_TABLE;
|
||||
#endif
|
||||
|
||||
#if defined(GPIO0_OSRL)
|
||||
/* Only some 4xx variants support alternate funtions on the GPIO's */
|
||||
void gpio_config(int pin, int in_out, int gpio_alt, int out_val)
|
||||
{
|
||||
u32 mask;
|
||||
u32 mask2;
|
||||
u32 val;
|
||||
u32 offs = 0;
|
||||
u32 offs2 = 0;
|
||||
int pin2 = pin << 1;
|
||||
|
||||
if (pin >= GPIO_MAX) {
|
||||
offs = 0x100;
|
||||
pin -= GPIO_MAX;
|
||||
}
|
||||
|
||||
if (pin >= GPIO_MAX/2) {
|
||||
offs2 = 0x100;
|
||||
pin2 = (pin - GPIO_MAX/2) << 1;
|
||||
}
|
||||
|
||||
mask = 0x80000000 >> pin;
|
||||
mask2 = 0xc0000000 >> (pin2 << 1);
|
||||
|
||||
/* first set TCR to 0 */
|
||||
out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) & ~mask);
|
||||
|
||||
if (in_out == GPIO_OUT) {
|
||||
val = in32(GPIO0_OSRL + offs + offs2) & ~mask2;
|
||||
switch (gpio_alt) {
|
||||
case GPIO_ALT1:
|
||||
val |= GPIO_ALT1_SEL >> pin2;
|
||||
break;
|
||||
case GPIO_ALT2:
|
||||
val |= GPIO_ALT2_SEL >> pin2;
|
||||
break;
|
||||
case GPIO_ALT3:
|
||||
val |= GPIO_ALT3_SEL >> pin2;
|
||||
break;
|
||||
}
|
||||
out32(GPIO0_OSRL + offs + offs2, val);
|
||||
|
||||
/* setup requested output value */
|
||||
if (out_val == GPIO_OUT_0)
|
||||
out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~mask);
|
||||
else if (out_val == GPIO_OUT_1)
|
||||
out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | mask);
|
||||
|
||||
/* now configure TCR to drive output if selected */
|
||||
out32(GPIO0_TCR + offs, in32(GPIO0_TCR + offs) | mask);
|
||||
} else {
|
||||
val = in32(GPIO0_ISR1L + offs + offs2) & ~mask2;
|
||||
val |= GPIO_IN_SEL >> pin2;
|
||||
out32(GPIO0_ISR1L + offs + offs2, val);
|
||||
}
|
||||
}
|
||||
#endif /* GPIO_OSRL */
|
||||
|
||||
void gpio_write_bit(int pin, int val)
|
||||
{
|
||||
u32 offs = 0;
|
||||
|
||||
if (pin >= GPIO_MAX) {
|
||||
offs = 0x100;
|
||||
pin -= GPIO_MAX;
|
||||
}
|
||||
|
||||
if (val)
|
||||
out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) | GPIO_VAL(pin));
|
||||
else
|
||||
out32(GPIO0_OR + offs, in32(GPIO0_OR + offs) & ~GPIO_VAL(pin));
|
||||
}
|
||||
|
||||
#if defined(CFG_440_GPIO_TABLE)
|
||||
void gpio_set_chip_configuration(void)
|
||||
{
|
||||
unsigned char i=0, j=0, offs=0, gpio_core;
|
||||
unsigned long reg, core_add;
|
||||
|
||||
for (gpio_core=0; gpio_core<GPIO_GROUP_MAX; gpio_core++) {
|
||||
j = 0;
|
||||
offs = 0;
|
||||
/* GPIO config of the GPIOs 0 to 31 */
|
||||
for (i=0; i<GPIO_MAX; i++, j++) {
|
||||
if (i == GPIO_MAX/2) {
|
||||
offs = 4;
|
||||
j = i-16;
|
||||
}
|
||||
|
||||
core_add = gpio_tab[gpio_core][i].add;
|
||||
|
||||
if ((gpio_tab[gpio_core][i].in_out == GPIO_IN) ||
|
||||
(gpio_tab[gpio_core][i].in_out == GPIO_BI)) {
|
||||
|
||||
switch (gpio_tab[gpio_core][i].alt_nb) {
|
||||
case GPIO_SEL:
|
||||
break;
|
||||
|
||||
case GPIO_ALT1:
|
||||
reg = in32(GPIO_IS1(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_IN_SEL >> (j*2));
|
||||
out32(GPIO_IS1(core_add+offs), reg);
|
||||
break;
|
||||
|
||||
case GPIO_ALT2:
|
||||
reg = in32(GPIO_IS2(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_IN_SEL >> (j*2));
|
||||
out32(GPIO_IS2(core_add+offs), reg);
|
||||
break;
|
||||
|
||||
case GPIO_ALT3:
|
||||
reg = in32(GPIO_IS3(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_IN_SEL >> (j*2));
|
||||
out32(GPIO_IS3(core_add+offs), reg);
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
if ((gpio_tab[gpio_core][i].in_out == GPIO_OUT) ||
|
||||
(gpio_tab[gpio_core][i].in_out == GPIO_BI)) {
|
||||
|
||||
switch (gpio_tab[gpio_core][i].alt_nb) {
|
||||
case GPIO_SEL:
|
||||
if (gpio_core == GPIO0) {
|
||||
reg = in32(GPIO0_TCR) | (0x80000000 >> (j));
|
||||
out32(GPIO0_TCR, reg);
|
||||
}
|
||||
|
||||
if (gpio_core == GPIO1) {
|
||||
reg = in32(GPIO1_TCR) | (0x80000000 >> (j));
|
||||
out32(GPIO1_TCR, reg);
|
||||
}
|
||||
|
||||
reg = in32(GPIO_OS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
out32(GPIO_OS(core_add+offs), reg);
|
||||
reg = in32(GPIO_TS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
out32(GPIO_TS(core_add+offs), reg);
|
||||
break;
|
||||
|
||||
case GPIO_ALT1:
|
||||
reg = in32(GPIO_OS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_ALT1_SEL >> (j*2));
|
||||
out32(GPIO_OS(core_add+offs), reg);
|
||||
reg = in32(GPIO_TS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_ALT1_SEL >> (j*2));
|
||||
out32(GPIO_TS(core_add+offs), reg);
|
||||
break;
|
||||
|
||||
case GPIO_ALT2:
|
||||
reg = in32(GPIO_OS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_ALT2_SEL >> (j*2));
|
||||
out32(GPIO_OS(core_add+offs), reg);
|
||||
reg = in32(GPIO_TS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_ALT2_SEL >> (j*2));
|
||||
out32(GPIO_TS(core_add+offs), reg);
|
||||
break;
|
||||
|
||||
case GPIO_ALT3:
|
||||
reg = in32(GPIO_OS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_ALT3_SEL >> (j*2));
|
||||
out32(GPIO_OS(core_add+offs), reg);
|
||||
reg = in32(GPIO_TS(core_add+offs))
|
||||
& ~(GPIO_MASK >> (j*2));
|
||||
reg = reg | (GPIO_ALT3_SEL >> (j*2));
|
||||
out32(GPIO_TS(core_add+offs), reg);
|
||||
break;
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
}
|
||||
#endif /* CFG_440_GPIO_TABLE */
|
||||
@ -2,6 +2,7 @@
|
||||
* Copyright (C) 1998 Dan Malek <dmalek@jlc.net>
|
||||
* Copyright (C) 1999 Magnus Damm <kieraypc01.p.y.kie.era.ericsson.se>
|
||||
* Copyright (C) 2000,2001,2002 Wolfgang Denk <wd@denx.de>
|
||||
* Copyright (C) 2007 Stefan Roese <sr@denx.de>, DENX Software Engineering
|
||||
*
|
||||
* See file CREDITS for list of people who contributed to this
|
||||
* project.
|
||||
@ -757,7 +758,6 @@ _start:
|
||||
#endif /* CONFIG_405EP */
|
||||
|
||||
#if defined(CFG_OCM_DATA_ADDR) && defined(CFG_OCM_DATA_SIZE)
|
||||
/* test-only... (clean up later when NAND booting is supported) */
|
||||
#if defined(CONFIG_405EZ)
|
||||
/********************************************************************
|
||||
* Setup OCM - On Chip Memory - PPC405EZ uses OCM Controller V2
|
||||
@ -786,41 +786,7 @@ _start:
|
||||
mtdcr ocmdsisdpc,r4
|
||||
|
||||
isync
|
||||
|
||||
#if defined(CONFIG_NAND_SPL)
|
||||
/*
|
||||
* 405EZ can boot from NAND Flash.
|
||||
* If we are booting the SPL (Pre-loader), copy code from
|
||||
* the mapped 4K NAND Flash to the OCM
|
||||
*/
|
||||
li r4,(CFG_NAND_BOOT_SPL_SIZE >> 2) - 1
|
||||
mtctr r4
|
||||
lis r2,CFG_NAND_BOOT_SPL_SRC@h
|
||||
ori r2,r2,CFG_NAND_BOOT_SPL_SRC@l
|
||||
lis r3,CFG_NAND_BOOT_SPL_DST@h
|
||||
ori r3,r3,CFG_NAND_BOOT_SPL_DST@l
|
||||
spl_loop:
|
||||
lwzu r4,4(r2)
|
||||
stwu r4,4(r3)
|
||||
bdnz spl_loop
|
||||
|
||||
/*
|
||||
* Jump to code in OCM Ram
|
||||
*/
|
||||
bl 00f
|
||||
00: mflr r10
|
||||
lis r3,(CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)@h
|
||||
ori r3,r3,(CFG_NAND_BOOT_SPL_SRC - CFG_NAND_BOOT_SPL_DST)@l
|
||||
sub r10,r10,r3
|
||||
addi r10,r10,28
|
||||
mtlr r10
|
||||
blr
|
||||
start_ram:
|
||||
sync
|
||||
isync
|
||||
#endif
|
||||
#else
|
||||
/* ...test-only */
|
||||
#else /* CONFIG_405EZ */
|
||||
/********************************************************************
|
||||
* Setup OCM - On Chip Memory
|
||||
*******************************************************************/
|
||||
@ -828,14 +794,15 @@ start_ram:
|
||||
lis r0, 0x7FFF
|
||||
ori r0, r0, 0xFFFF
|
||||
mfdcr r3, ocmiscntl /* get instr-side IRAM config */
|
||||
mfdcr r4, ocmdscntl /* get data-side IRAM config */
|
||||
and r3, r3, r0 /* disable data-side IRAM */
|
||||
and r4, r4, r0 /* disable data-side IRAM */
|
||||
mtdcr ocmiscntl, r3 /* set instr-side IRAM config */
|
||||
mtdcr ocmdscntl, r4 /* set data-side IRAM config */
|
||||
mfdcr r4, ocmdscntl /* get data-side IRAM config */
|
||||
and r3, r3, r0 /* disable data-side IRAM */
|
||||
and r4, r4, r0 /* disable data-side IRAM */
|
||||
mtdcr ocmiscntl, r3 /* set instr-side IRAM config */
|
||||
mtdcr ocmdscntl, r4 /* set data-side IRAM config */
|
||||
isync
|
||||
|
||||
addis r3, 0, CFG_OCM_DATA_ADDR@h /* OCM location */
|
||||
lis r3,CFG_OCM_DATA_ADDR@h /* OCM location */
|
||||
ori r3,r3,CFG_OCM_DATA_ADDR@l
|
||||
mtdcr ocmdsarc, r3
|
||||
addis r4, 0, 0xC000 /* OCM data area enabled */
|
||||
mtdcr ocmdscntl, r4
|
||||
|
||||
@ -31,20 +31,18 @@
|
||||
/*-----------------------------------------------------------------------
|
||||
* High Level Configuration Options
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CONFIG_ACADIA 1 /* Board is Acadia */
|
||||
#define CONFIG_4xx 1 /* ... PPC4xx family */
|
||||
#define CONFIG_405EZ 1 /* Specifc 405EZ support*/
|
||||
#undef CFG_DRAM_TEST /* Disable-takes long time */
|
||||
#define CONFIG_ACADIA 1 /* Board is Acadia */
|
||||
#define CONFIG_4xx 1 /* ... PPC4xx family */
|
||||
#define CONFIG_405EZ 1 /* Specifc 405EZ support*/
|
||||
#define CONFIG_SYS_CLK_FREQ 66666666 /* external freq to pll */
|
||||
|
||||
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_pre_init */
|
||||
#define CONFIG_MISC_INIT_F 1 /* Use misc_init_f() */
|
||||
#define CONFIG_BOARD_EARLY_INIT_F 1 /* Call board_early_init_f */
|
||||
#define CONFIG_MISC_INIT_F 1 /* Call misc_init_f */
|
||||
|
||||
#define CONFIG_NO_SERIAL_EEPROM
|
||||
/*#undef CONFIG_NO_SERIAL_EEPROM*/
|
||||
|
||||
#ifdef CONFIG_NO_SERIAL_EEPROM
|
||||
|
||||
/*----------------------------------------------------------------------------
|
||||
* PLL settings for 266MHz CPU, 133MHz PLB/SDRAM, 66MHz EBC, 33MHz PCI,
|
||||
* assuming a 66MHz input clock to the 405EZ.
|
||||
@ -59,24 +57,125 @@
|
||||
* Base addresses -- Note these are effective addresses where the
|
||||
* actual resources get mapped (not physical addresses)
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_SDRAM_BASE 0x00000000
|
||||
#define CFG_FLASH_BASE 0xFE000000
|
||||
#define CFG_MONITOR_LEN (256 * 1024)/* Reserve 256 kB for Monitor */
|
||||
#define CFG_MALLOC_LEN (384 * 1024)/* Reserve 128 kB for malloc() */
|
||||
#define CFG_MALLOC_LEN (512 * 1024)/* Reserve 512 kB for malloc() */
|
||||
|
||||
#define CFG_SDRAM_BASE 0x00000000
|
||||
#define CFG_FLASH_BASE 0xfe000000
|
||||
#define CFG_MONITOR_BASE TEXT_BASE
|
||||
#define CFG_CPLD_BASE 0x80000000
|
||||
#define CFG_NAND_ADDR 0xd0000000
|
||||
#define CFG_USB_HOST 0xef603000 /* USB OHCI 1.1 controller */
|
||||
|
||||
/*
|
||||
* Define here the location of the environment variables (FLASH).
|
||||
* Note: DENX encourages to use redundant environment in FLASH. NVRAM is only
|
||||
* supported for backward compatibility.
|
||||
*/
|
||||
/*-----------------------------------------------------------------------
|
||||
* Initial RAM & stack pointer
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_TEMP_STACK_OCM 1 /* OCM as init ram */
|
||||
|
||||
/* On Chip Memory location */
|
||||
#define CFG_OCM_DATA_ADDR 0xF8000000
|
||||
#define CFG_OCM_DATA_SIZE 0x4000 /* 16K of onchip SRAM */
|
||||
#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of SRAM */
|
||||
#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
|
||||
|
||||
#define CFG_GBL_DATA_SIZE 128 /* size for initial data */
|
||||
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
|
||||
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Serial Port
|
||||
*----------------------------------------------------------------------*/
|
||||
#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
|
||||
#define CFG_BASE_BAUD 691200
|
||||
#define CONFIG_BAUDRATE 115200
|
||||
#define CONFIG_SERIAL_MULTI 1
|
||||
|
||||
/* The following table includes the supported baudrates */
|
||||
#define CFG_BAUDRATE_TABLE \
|
||||
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Environment
|
||||
*----------------------------------------------------------------------*/
|
||||
#if !defined(CONFIG_NAND_U_BOOT) && !defined(CONFIG_NAND_SPL)
|
||||
#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
|
||||
#define CFG_ENV_IS_IN_FLASH 1 /* use FLASH for environment vars */
|
||||
#else
|
||||
#define CFG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */
|
||||
#define CFG_ENV_IS_IN_NAND 1 /* use NAND for environment vars */
|
||||
#define CFG_ENV_IS_EMBEDDED 1 /* use embedded environment */
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH related
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_FLASH_CFI /* The flash is CFI compatible */
|
||||
#define CFG_FLASH_CFI_DRIVER /* Use common CFI driver */
|
||||
|
||||
#define CFG_FLASH_BANKS_LIST {CFG_FLASH_BASE}
|
||||
#define CFG_MAX_FLASH_BANKS 1 /* max number of memory banks */
|
||||
#define CFG_MAX_FLASH_SECT 512 /* max number of sectors on one chip */
|
||||
|
||||
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
|
||||
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
|
||||
|
||||
#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
|
||||
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
|
||||
|
||||
#ifdef CFG_ENV_IS_IN_FLASH
|
||||
#define CFG_ENV_SECT_SIZE 0x40000 /* size of one complete sector */
|
||||
#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
|
||||
#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
|
||||
|
||||
/* Address and size of Redundant Environment Sector */
|
||||
#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
|
||||
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* RAM (CRAM)
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_MBYTES_RAM 64 /* 64MB */
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* I2C
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
|
||||
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
|
||||
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
|
||||
#define CFG_I2C_SLAVE 0x7F
|
||||
|
||||
#define CFG_I2C_MULTI_EEPROMS
|
||||
#define CFG_I2C_EEPROM_ADDR (0xa8>>1)
|
||||
#define CFG_I2C_EEPROM_ADDR_LEN 1
|
||||
#define CFG_EEPROM_PAGE_WRITE_ENABLE
|
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 3
|
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
|
||||
|
||||
/* I2C SYSMON (LM75, AD7414 is almost compatible) */
|
||||
#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
|
||||
#define CONFIG_DTT_AD7414 1 /* use AD7414 */
|
||||
#define CONFIG_DTT_SENSORS {0} /* Sensor addresses */
|
||||
#define CFG_DTT_MAX_TEMP 70
|
||||
#define CFG_DTT_LOW_TEMP -30
|
||||
#define CFG_DTT_HYSTERESIS 3
|
||||
|
||||
#if 0 /* test-only... */
|
||||
/*-----------------------------------------------------------------------
|
||||
* SPI stuff - Define to include SPI control
|
||||
*-----------------------------------------------------------------------
|
||||
*/
|
||||
#define CONFIG_SPI
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Ethernet
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CONFIG_MII 1 /* MII PHY management */
|
||||
#define CONFIG_PHY_ADDR 0 /* PHY address */
|
||||
#define CONFIG_NET_MULTI 1
|
||||
#define CFG_RX_ETH_BUFFER 16 /* # of rx buffers & descriptors*/
|
||||
|
||||
#define CONFIG_NETCONSOLE /* include NetConsole support */
|
||||
|
||||
#define CONFIG_PREBOOT "echo;" \
|
||||
"echo Type \"run flash_nfs\" to mount root filesystem over NFS;" \
|
||||
"echo"
|
||||
@ -122,13 +221,6 @@
|
||||
#define CONFIG_LOADS_ECHO 1 /* echo on for serial download */
|
||||
#define CFG_LOADS_BAUD_CHANGE 1 /* allow baudrate change */
|
||||
|
||||
#define CONFIG_MII 1 /* MII PHY management */
|
||||
#define CONFIG_PHY_ADDR 0 /* PHY address */
|
||||
#define CONFIG_NET_MULTI 1
|
||||
#define CFG_RX_ETH_BUFFER 16 /* Number of ethernet rx buffers & descriptors */
|
||||
|
||||
#define CONFIG_NETCONSOLE /* include NetConsole support */
|
||||
|
||||
#define CONFIG_USB_OHCI
|
||||
#define CONFIG_USB_STORAGE
|
||||
|
||||
@ -166,7 +258,6 @@
|
||||
CFG_CMD_PCI | \
|
||||
CFG_CMD_PING | \
|
||||
CFG_CMD_REGINFO | \
|
||||
CFG_CMD_SDRAM | \
|
||||
CFG_CMD_USB)
|
||||
|
||||
/* this must be included AFTER the definition of CONFIG_COMMANDS (if any) */
|
||||
@ -174,76 +265,34 @@
|
||||
|
||||
#undef CONFIG_WATCHDOG /* watchdog disabled */
|
||||
|
||||
/*
|
||||
/*-----------------------------------------------------------------------
|
||||
* Miscellaneous configurable options
|
||||
*/
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_LONGHELP /* undef to save memory */
|
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
|
||||
#define CFG_PROMPT "=> " /* Monitor Command Prompt */
|
||||
#if (CONFIG_COMMANDS & CFG_CMD_KGDB)
|
||||
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
|
||||
#define CFG_CBSIZE 1024 /* Console I/O Buffer Size */
|
||||
#else
|
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
|
||||
#define CFG_CBSIZE 256 /* Console I/O Buffer Size */
|
||||
#endif
|
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
|
||||
#define CFG_MAXARGS 16 /* max number of command args */
|
||||
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
|
||||
#define CFG_PBSIZE (CFG_CBSIZE+sizeof(CFG_PROMPT)+16) /* Print Buffer Size */
|
||||
#define CFG_MAXARGS 16 /* max number of command args */
|
||||
#define CFG_BARGSIZE CFG_CBSIZE /* Boot Argument Buffer Size */
|
||||
|
||||
#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
|
||||
#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
|
||||
#define CFG_MEMTEST_START 0x0400000 /* memtest works on */
|
||||
#define CFG_MEMTEST_END 0x0C00000 /* 4 ... 12 MB in DRAM */
|
||||
|
||||
#define CFG_LOAD_ADDR 0x100000 /* default load address */
|
||||
#define CFG_LOAD_ADDR 0x100000 /* default load address */
|
||||
#define CFG_EXTBDINFO 1 /* To use extended board_into (bd_t) */
|
||||
|
||||
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
|
||||
#define CFG_HZ 1000 /* decrementer freq: 1 ms ticks */
|
||||
|
||||
#define CONFIG_CMDLINE_EDITING 1 /* add command line history */
|
||||
#define CONFIG_LOOPW 1 /* enable loopw command */
|
||||
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
|
||||
#define CONFIG_LOOPW 1 /* enable loopw command */
|
||||
#define CONFIG_MX_CYCLIC 1 /* enable mdc/mwc commands */
|
||||
#define CONFIG_ZERO_BOOTDELAY_CHECK /* check for keypress on bootdelay==0 */
|
||||
#define CONFIG_VERSION_VARIABLE 1 /* include version env variable */
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Serial Port
|
||||
*----------------------------------------------------------------------*/
|
||||
#undef CFG_EXT_SERIAL_CLOCK /* external serial clock */
|
||||
#define CFG_BASE_BAUD 691200
|
||||
#define CONFIG_BAUDRATE 115200
|
||||
|
||||
/* The following table includes the supported baudrates */
|
||||
#define CFG_BAUDRATE_TABLE \
|
||||
{300, 600, 1200, 2400, 4800, 9600, 19200, 38400, 57600, 115200, 230400}
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* I2C
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CONFIG_HARD_I2C 1 /* I2C with hardware support */
|
||||
#undef CONFIG_SOFT_I2C /* I2C bit-banged */
|
||||
#define CFG_I2C_SPEED 400000 /* I2C speed and slave address */
|
||||
#define CFG_I2C_SLAVE 0x7F
|
||||
|
||||
#define CFG_I2C_MULTI_EEPROMS
|
||||
#define CFG_I2C_EEPROM_ADDR (0xa8>>1)
|
||||
#define CFG_I2C_EEPROM_ADDR_LEN 1
|
||||
#define CFG_EEPROM_PAGE_WRITE_ENABLE
|
||||
#define CFG_EEPROM_PAGE_WRITE_BITS 3
|
||||
#define CFG_EEPROM_PAGE_WRITE_DELAY_MS 10
|
||||
|
||||
/* I2C SYSMON (LM75, AD7414 is almost compatible) */
|
||||
#define CONFIG_DTT_LM75 1 /* ON Semi's LM75 */
|
||||
#define CONFIG_DTT_AD7414 1 /* use AD7414 */
|
||||
#define CONFIG_DTT_SENSORS {0} /* Sensor addresses */
|
||||
#define CFG_DTT_MAX_TEMP 70
|
||||
#define CFG_DTT_LOW_TEMP -30
|
||||
#define CFG_DTT_HYSTERESIS 3
|
||||
|
||||
#if 0 /* test-only... */
|
||||
/*-----------------------------------------------------------------------
|
||||
* SPI stuff - Define to include SPI control
|
||||
*-----------------------------------------------------------------------
|
||||
*/
|
||||
#define CONFIG_SPI
|
||||
#endif
|
||||
|
||||
/*
|
||||
* For booting Linux, the board info and command line data
|
||||
* have to be in the first 8 MB of memory, since this is
|
||||
@ -251,39 +300,13 @@
|
||||
*/
|
||||
#define CFG_BOOTMAPSZ (8 << 20) /* Initial Memory map for Linux */
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* FLASH related
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_FLASH_CFI
|
||||
#define CFG_FLASH_CFI_DRIVER
|
||||
#define CFG_FLASH_EMPTY_INFO /* print 'E' for empty sector on flinfo */
|
||||
#define CFG_FLASH_USE_BUFFER_WRITE 1 /* use buffered writes (20x faster) */
|
||||
|
||||
#define CFG_FLASH_BANKS_LIST {CFG_FLASH_BASE}
|
||||
#define CFG_MAX_FLASH_BANKS 1 /* number of banks */
|
||||
#define CFG_MAX_FLASH_SECT 1024 /* sectors per device */
|
||||
|
||||
#undef CFG_FLASH_CHECKSUM
|
||||
#define CFG_FLASH_ERASE_TOUT 120000 /* Timeout for Flash Erase (in ms) */
|
||||
#define CFG_FLASH_WRITE_TOUT 500 /* Timeout for Flash Write (in ms) */
|
||||
|
||||
#ifdef CFG_ENV_IS_IN_FLASH
|
||||
#define CFG_ENV_SECT_SIZE 0x40000 /* size of one complete sector */
|
||||
#define CFG_ENV_ADDR (CFG_MONITOR_BASE-CFG_ENV_SECT_SIZE)
|
||||
#define CFG_ENV_SIZE 0x4000 /* Total Size of Environment Sector */
|
||||
|
||||
/* Address and size of Redundant Environment Sector */
|
||||
#define CFG_ENV_ADDR_REDUND (CFG_ENV_ADDR-CFG_ENV_SECT_SIZE)
|
||||
#define CFG_ENV_SIZE_REDUND (CFG_ENV_SIZE)
|
||||
#endif
|
||||
|
||||
#ifdef TEST_ONLY_NAND
|
||||
/*-----------------------------------------------------------------------
|
||||
* NAND FLASH
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_MAX_NAND_DEVICE 1
|
||||
#define NAND_MAX_CHIPS 1
|
||||
#define CFG_NAND_BASE (CFG_NAND + CFG_NAND_CS)
|
||||
#define CFG_NAND_BASE (CFG_NAND_ADDR + CFG_NAND_CS)
|
||||
#define CFG_NAND_SELECT_DEVICE 1 /* nand driver supports mutipl. chips */
|
||||
#endif
|
||||
|
||||
@ -296,50 +319,42 @@
|
||||
#define CFG_CACHELINE_SHIFT 5 /* log base 2 of the above value*/
|
||||
#endif
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Definitions for initial stack pointer and data area (in data cache)
|
||||
*/
|
||||
/* use on chip memory ( OCM ) for temperary stack until sdram is tested */
|
||||
#define CFG_TEMP_STACK_OCM 1
|
||||
|
||||
/* On Chip Memory location */
|
||||
#define CFG_OCM_DATA_ADDR 0xF8000000
|
||||
#define CFG_OCM_DATA_SIZE 0x4000 /* 16K of onchip SRAM */
|
||||
#define CFG_INIT_RAM_ADDR CFG_OCM_DATA_ADDR /* inside of SRAM */
|
||||
#define CFG_INIT_RAM_END CFG_OCM_DATA_SIZE /* End of used area in RAM */
|
||||
|
||||
#define CFG_GBL_DATA_SIZE 128 /* size for initial data */
|
||||
#define CFG_GBL_DATA_OFFSET (CFG_INIT_RAM_END - CFG_GBL_DATA_SIZE)
|
||||
#define CFG_INIT_SP_OFFSET CFG_GBL_DATA_OFFSET
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* External Bus Controller (EBC) Setup
|
||||
*/
|
||||
#define CFG_NAND 0xd0000000
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_NAND_CS 0 /* NAND chip connected to CSx */
|
||||
|
||||
/* Memory Bank 0 (Flash) initialization */
|
||||
/* Memory Bank 0 (Flash) initialization */
|
||||
#define CFG_EBC_PB0AP 0x03337200
|
||||
#define CFG_EBC_PB0CR 0xfe0bc000 /* BAS=0xFE0,BS=32MB,BU=R/W,BW=32bit */
|
||||
#define CFG_EBC_PB0CR 0xfe0bc000
|
||||
|
||||
/* Memory Bank 1 (CRAM) initialization */
|
||||
/* Just initial configuration for CRAM. Will be changed in memory.c to sync mode*/
|
||||
/* Memory Bank 1 (CRAM) initialization */
|
||||
#define CFG_EBC_PB1AP 0x030400c0
|
||||
#define CFG_EBC_PB1CR 0x000bc000
|
||||
|
||||
/* Memory Bank 2 (CRAM) initialization */
|
||||
/* Memory Bank 2 (CRAM) initialization */
|
||||
#define CFG_EBC_PB2AP 0x030400c0
|
||||
#define CFG_EBC_PB2CR 0x020bc000
|
||||
|
||||
/* Memory Bank 3 (NAND-FLASH) initialization */
|
||||
#define CFG_EBC_PB3AP 0x018003c0
|
||||
#define CFG_EBC_PB3CR (CFG_NAND | 0x1c000)
|
||||
#define CFG_EBC_PB3CR (CFG_NAND_ADDR | 0x1c000)
|
||||
|
||||
/* Memory Bank 4 (CPLD) initialization */
|
||||
/* Memory Bank 4 (CPLD) initialization */
|
||||
#define CFG_EBC_PB4AP 0x04006000
|
||||
#define CFG_EBC_PB4CR 0x80018000 /* BAS=0x000,BS=16MB,BU=R/W,BW=32bit */
|
||||
#define CFG_EBC_PB4CR (CFG_CPLD_BASE | 0x18000)
|
||||
|
||||
#define CFG_EBC_CFG 0xf8400000
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* GPIO Setup
|
||||
*----------------------------------------------------------------------*/
|
||||
#define CFG_GPIO_CRAM_CLK 8
|
||||
#define CFG_GPIO_CRAM_WAIT 9
|
||||
#define CFG_GPIO_CRAM_ADV 10
|
||||
#define CFG_GPIO_CRAM_CRE (32 + 21)
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* Definitions for GPIO_0 setup (PPC405EZ specific)
|
||||
*
|
||||
@ -389,25 +404,6 @@
|
||||
#define CFG_GPIO1_TSRL 0x00000000
|
||||
#define CFG_GPIO1_TCR 0xFFFF8014
|
||||
|
||||
/*-----------------------------------------------------------------------
|
||||
* EPLD Regs.
|
||||
*/
|
||||
#define EPLD_BASE 0x80000000
|
||||
#define EPLD_ETHRSTBOOT 0x10
|
||||
#define EPLD_CTRL 0x14
|
||||
#define EPLD_MUXOE 0x16
|
||||
|
||||
/*
|
||||
* State definations
|
||||
*/
|
||||
#define LOAK_INIT 0x494e4954 /* ASCII "INIT" */
|
||||
#define LOAK_NONE 0x4e4f4e45 /* ASCII "NONE" */
|
||||
#define LOAK_CRAM 0x4352414d /* ASCII "CRAM" */
|
||||
#define LOAK_PSRAM 0x50535241 /* ASCII "PSRA" - PSRAM */
|
||||
#define LOAK_OCM 0x4f434d20 /* ASCII "OCM " */
|
||||
#define LOAK_ZERO 0x5a45524f /* ASCII "ZERO" */
|
||||
#define LOAK_SPL 0x53504c20 /* ASCII "SPL" */
|
||||
|
||||
/*
|
||||
* Internal Definitions
|
||||
*
|
||||
|
||||
@ -23,7 +23,7 @@ extern struct serial_device serial_scc_device;
|
||||
extern struct serial_device * default_serial_console (void);
|
||||
|
||||
#if defined(CONFIG_405GP) || defined(CONFIG_405CR) || defined(CONFIG_440) \
|
||||
|| defined(CONFIG_405EP) || defined(CONFIG_MPC5xxx)
|
||||
|| defined(CONFIG_405EP) || defined(CONFIG_405EZ) || defined(CONFIG_MPC5xxx)
|
||||
extern struct serial_device serial0_device;
|
||||
extern struct serial_device serial1_device;
|
||||
#if defined(CFG_NS16550_SERIAL)
|
||||
|
||||
Loading…
Reference in New Issue
Block a user