diff options
author | Wolfgang Denk <wd@denx.de> | 2009-08-04 21:54:11 +0200 |
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committer | Wolfgang Denk <wd@denx.de> | 2009-08-04 21:54:11 +0200 |
commit | cb32ed1fc298875845f166d326a3f2704a0d5364 (patch) | |
tree | 0bfddffa6c6457f87fffd4dd49ebf9698d45bf87 /cpu | |
parent | 06bffc6ea52d4b390843d295d438b2037d12e5fd (diff) | |
parent | 052c08916532d1d9c2f69eb9229709c7b2fc1f02 (diff) | |
download | u-boot-imx-cb32ed1fc298875845f166d326a3f2704a0d5364.zip u-boot-imx-cb32ed1fc298875845f166d326a3f2704a0d5364.tar.gz u-boot-imx-cb32ed1fc298875845f166d326a3f2704a0d5364.tar.bz2 |
Merge branch 'next' of git://git.denx.de/u-boot-coldfire
Diffstat (limited to 'cpu')
-rw-r--r-- | cpu/mcf5227x/Makefile | 2 | ||||
-rw-r--r-- | cpu/mcf5227x/cpu_init.c | 53 | ||||
-rw-r--r-- | cpu/mcf5227x/dspi.c | 261 | ||||
-rw-r--r-- | cpu/mcf52x2/config.mk | 4 | ||||
-rw-r--r-- | cpu/mcf52x2/cpu.c | 66 | ||||
-rw-r--r-- | cpu/mcf52x2/cpu_init.c | 89 | ||||
-rw-r--r-- | cpu/mcf52x2/interrupts.c | 8 | ||||
-rw-r--r-- | cpu/mcf52x2/speed.c | 13 | ||||
-rw-r--r-- | cpu/mcf52x2/start.S | 33 | ||||
-rw-r--r-- | cpu/mcf5445x/Makefile | 2 | ||||
-rw-r--r-- | cpu/mcf5445x/cpu_init.c | 66 | ||||
-rw-r--r-- | cpu/mcf5445x/dspi.c | 239 | ||||
-rw-r--r-- | cpu/mcf5445x/start.S | 81 |
13 files changed, 372 insertions, 545 deletions
diff --git a/cpu/mcf5227x/Makefile b/cpu/mcf5227x/Makefile index 44f9385..d0e9b45 100644 --- a/cpu/mcf5227x/Makefile +++ b/cpu/mcf5227x/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o -COBJS = cpu.o speed.o cpu_init.o interrupts.o dspi.o +COBJS = cpu.o speed.o cpu_init.o interrupts.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/mcf5227x/cpu_init.c b/cpu/mcf5227x/cpu_init.c index 8945ef3..d8bcf37 100644 --- a/cpu/mcf5227x/cpu_init.c +++ b/cpu/mcf5227x/cpu_init.c @@ -152,3 +152,56 @@ void uart_port_conf(void) break; } } + +#ifdef CONFIG_CF_DSPI +void cfspi_port_conf(void) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + gpio->par_dspi = + GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | + GPIO_PAR_DSPI_SCK_SCK; +} + +int cfspi_claim_bus(uint bus, uint cs) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) + return -1; + + /* Clear FIFO and resume transfer */ + dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); + + switch (cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_MASK; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 2: + gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; + gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2; + break; + } + + return 0; +} + +void cfspi_release_bus(uint bus, uint cs) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */ + + switch (cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 2: + gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; + break; + } +} +#endif diff --git a/cpu/mcf5227x/dspi.c b/cpu/mcf5227x/dspi.c deleted file mode 100644 index 7f48f91..0000000 --- a/cpu/mcf5227x/dspi.c +++ /dev/null @@ -1,261 +0,0 @@ -/* - * - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * 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 <spi.h> -#include <malloc.h> - -#if defined(CONFIG_CF_DSPI) -#include <asm/immap.h> - -void dspi_init(void) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - - gpio->par_dspi = - GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | - GPIO_PAR_DSPI_SCK_SCK; - - dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 | - DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 | - DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 | - DSPI_DMCR_CRXF | DSPI_DMCR_CTXF; - -#ifdef CONFIG_SYS_DSPI_DCTAR0 - dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR1 - dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR2 - dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR3 - dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR4 - dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR5 - dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR6 - dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR7 - dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7; -#endif -} - -void dspi_tx(int chipsel, u8 attrib, u16 data) -{ - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - - while ((dspi->dsr & 0x0000F000) >= 4) ; - - dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data; -} - -u16 dspi_rx(void) -{ - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - - while ((dspi->dsr & 0x000000F0) == 0) ; - - return (dspi->drfr & 0xFFFF); -} - -#if defined(CONFIG_CMD_SPI) -void spi_init_f(void) -{ -} - -void spi_init_r(void) -{ -} - -void spi_init(void) -{ - dspi_init(); -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - struct spi_slave *slave; - - slave = malloc(sizeof(struct spi_slave)); - if (!slave) - return NULL; - - switch (cs) { - case 0: - gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; - gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; - break; - case 2: - gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; - gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2; - break; - } - - slave->bus = bus; - slave->cs = cs; - - return slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - - switch (slave->cs) { - case 0: - gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; - break; - case 2: - gpio->par_timer &= GPIO_PAR_TIMER_T2IN_MASK; - break; - } - - free(slave); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, - void *din, unsigned long flags) -{ - static int bWrite = 0; - u8 *spi_rd, *spi_wr; - int len = bitlen >> 3; - - spi_rd = (u8 *) din; - spi_wr = (u8 *) dout; - - /* command handling */ - if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) { - switch (*spi_wr) { - case 0x02: /* Page Prog */ - bWrite = 1; - dspi_tx(slave->cs, 0x80, spi_wr[0]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[1]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[2]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[3]); - dspi_rx(); - return 0; - case 0x05: /* Read Status */ - if (len == 4) - if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF) - && (spi_wr[3] == 0xFF)) { - dspi_tx(slave->cs, 0x80, *spi_wr); - dspi_rx(); - } - return 0; - case 0x06: /* WREN */ - dspi_tx(slave->cs, 0x00, *spi_wr); - dspi_rx(); - return 0; - case 0x0B: /* Fast read */ - if ((len == 5) && (spi_wr[4] == 0)) { - dspi_tx(slave->cs, 0x80, spi_wr[0]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[1]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[2]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[3]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[4]); - dspi_rx(); - } - return 0; - case 0x9F: /* RDID */ - dspi_tx(slave->cs, 0x80, *spi_wr); - dspi_rx(); - return 0; - case 0xD8: /* Sector erase */ - if (len == 4) - if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) { - dspi_tx(slave->cs, 0x80, spi_wr[0]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[1]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[2]); - dspi_rx(); - dspi_tx(slave->cs, 0x00, spi_wr[3]); - dspi_rx(); - } - return 0; - } - } - - if (bWrite) - len--; - - while (len--) { - if (dout != NULL) { - dspi_tx(slave->cs, 0x80, *spi_wr); - dspi_rx(); - spi_wr++; - } - - if (din != NULL) { - dspi_tx(slave->cs, 0x80, 0); - *spi_rd = dspi_rx(); - spi_rd++; - } - } - - if (flags == SPI_XFER_END) { - if (bWrite) { - dspi_tx(slave->cs, 0x00, *spi_wr); - dspi_rx(); - bWrite = 0; - } else { - dspi_tx(slave->cs, 0x00, 0); - dspi_rx(); - } - } - - return 0; -} -#endif /* CONFIG_CMD_SPI */ - -#endif /* CONFIG_CF_DSPI */ diff --git a/cpu/mcf52x2/config.mk b/cpu/mcf52x2/config.mk index 8292736..52751be 100644 --- a/cpu/mcf52x2/config.mk +++ b/cpu/mcf52x2/config.mk @@ -26,6 +26,7 @@ PLATFORM_RELFLAGS += -ffixed-d7 -msep-data cfg=$(shell grep configs $(OBJTREE)/include/config.h | sed 's/.*<\(configs.*\)>/\1/') +is5208:=$(shell grep CONFIG_M5208 $(TOPDIR)/include/$(cfg)) is5249:=$(shell grep CONFIG_M5249 $(TOPDIR)/include/$(cfg)) is5253:=$(shell grep CONFIG_M5253 $(TOPDIR)/include/$(cfg)) is5271:=$(shell grep CONFIG_M5271 $(TOPDIR)/include/$(cfg)) @@ -36,6 +37,9 @@ is5282:=$(shell grep CONFIG_M5282 $(TOPDIR)/include/$(cfg)) ifneq ($(findstring 4.1,$(shell $(CC) --version)),4.1) +ifneq (,$(findstring CONFIG_M5208,$(is5208))) +PLATFORM_CPPFLAGS += -mcpu=5208 +endif ifneq (,$(findstring CONFIG_M5249,$(is5249))) PLATFORM_CPPFLAGS += -mcpu=5249 endif diff --git a/cpu/mcf52x2/cpu.c b/cpu/mcf52x2/cpu.c index 32d6c40..2cfe631 100644 --- a/cpu/mcf52x2/cpu.c +++ b/cpu/mcf52x2/cpu.c @@ -34,6 +34,72 @@ #include <asm/immap.h> #include <netdev.h> +DECLARE_GLOBAL_DATA_PTR; + +#ifdef CONFIG_M5208 +int do_reset(cmd_tbl_t *cmdtp, bd_t *bd, int flag, int argc, char *argv[]) +{ + volatile rcm_t *rcm = (rcm_t *)(MMAP_RCM); + + udelay(1000); + + rcm->rcr = RCM_RCR_SOFTRST; + + /* we don't return! */ + return 0; +}; + +int checkcpu(void) +{ + char buf1[32], buf2[32]; + + printf("CPU: Freescale Coldfire MCF5208\n" + " CPU CLK %s MHz BUS CLK %s MHz\n", + strmhz(buf1, gd->cpu_clk), + strmhz(buf2, gd->bus_clk)); + return 0; +}; + +#if defined(CONFIG_WATCHDOG) +/* Called by macro WATCHDOG_RESET */ +void watchdog_reset(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + wdt->sr = 0x5555; + wdt->sr = 0xAAAA; +} + +int watchdog_disable(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->sr = 0x5555; /* reset watchdog counteDECLARE_GLOBAL_DATA_PTR; +r */ + wdt->sr = 0xAAAA; + wdt->cr = 0; /* disable watchdog timer */ + + puts("WATCHDOG:disabled\n"); + return (0); +} + +int watchdog_init(void) +{ + volatile wdog_t *wdt = (volatile wdog_t *)(MMAP_WDOG); + + wdt->cr = 0; /* disable watchdog */ + + /* set timeout and enable watchdog */ + wdt->mr = + ((CONFIG_WATCHDOG_TIMEOUT * CONFIG_SYS_HZ) / (32768 * 1000)) - 1; + wdt->sr = 0x5555; /* reset watchdog counter */ + wdt->sr = 0xAAAA; + + puts("WATCHDOG:enabled\n"); + return (0); +} +#endif /* #ifdef CONFIG_WATCHDOG */ +#endif /* #ifdef CONFIG_M5208 */ + #ifdef CONFIG_M5271 /* * Both MCF5270 and MCF5271 are members of the MPC5271 family. Try to diff --git a/cpu/mcf52x2/cpu_init.c b/cpu/mcf52x2/cpu_init.c index 11f70b0..7cea655 100644 --- a/cpu/mcf52x2/cpu_init.c +++ b/cpu/mcf52x2/cpu_init.c @@ -101,6 +101,95 @@ void init_fbcs(void) } #endif +#if defined(CONFIG_M5208) +void cpu_init_f(void) +{ + volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + +#ifndef CONFIG_WATCHDOG + volatile wdog_t *wdg = (wdog_t *) MMAP_WDOG; + + /* Disable the watchdog if we aren't using it */ + wdg->cr = 0; +#endif + + scm1->mpr = 0x77777777; + scm1->pacra = 0; + scm1->pacrb = 0; + scm1->pacrc = 0; + scm1->pacrd = 0; + scm1->pacre = 0; + scm1->pacrf = 0; + + /* FlexBus Chipselect */ + init_fbcs(); + + icache_enable(); +} + +/* initialize higher level parts of CPU like timers */ +int cpu_init_r(void) +{ + return (0); +} + +void uart_port_conf(void) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + /* Setup Ports: */ + switch (CONFIG_SYS_UART_PORT) { + case 0: + gpio->par_uart &= GPIO_PAR_UART0_MASK; + gpio->par_uart |= (GPIO_PAR_UART_U0TXD | GPIO_PAR_UART_U0RXD); + break; + case 1: + gpio->par_uart &= GPIO_PAR_UART0_MASK; + gpio->par_uart |= (GPIO_PAR_UART_U1TXD | GPIO_PAR_UART_U1RXD); + break; + case 2: +#ifdef CONFIG_SYS_UART2_PRI_GPIO + gpio->par_timer &= + (GPIO_PAR_TMR_TIN0_MASK | GPIO_PAR_TMR_TIN1_MASK); + gpio->par_timer |= + (GPIO_PAR_TMR_TIN0_U2TXD | GPIO_PAR_TMR_TIN1_U2RXD); +#endif +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + gpio->par_feci2c &= + (GPIO_PAR_FECI2C_MDC_MASK | GPIO_PAR_FECI2C_MDIO_MASK); + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_MDC_U2TXD | GPIO_PAR_FECI2C_MDIO_U2RXD); +#endif +#ifdef CONFIG_SYS_UART2_ALT1_GPIO + gpio->par_feci2c &= + (GPIO_PAR_FECI2C_SDA_MASK | GPIO_PAR_FECI2C_SCL_MASK); + gpio->par_feci2c |= + (GPIO_PAR_FECI2C_SDA_U2TXD | GPIO_PAR_FECI2C_SCL_U2RXD); +#endif + break; + } +} + +#if defined(CONFIG_CMD_NET) +int fecpin_setclear(struct eth_device *dev, int setclear) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if (setclear) { + gpio->par_fec |= + GPIO_PAR_FEC_7W_FEC | GPIO_PAR_FEC_MII_FEC; + gpio->par_feci2c |= + GPIO_PAR_FECI2C_MDC_MDC | GPIO_PAR_FECI2C_MDIO_MDIO; + } else { + gpio->par_fec &= + (GPIO_PAR_FEC_7W_MASK & GPIO_PAR_FEC_MII_MASK); + gpio->par_feci2c &= GPIO_PAR_FECI2C_RMII_MASK; + } + return 0; +} +#endif /* CONFIG_CMD_NET */ +#endif /* CONFIG_M5208 */ + #if defined(CONFIG_M5253) /* * Breath some life into the CPU... diff --git a/cpu/mcf52x2/interrupts.c b/cpu/mcf52x2/interrupts.c index 0181e4b..dff8c6a 100644 --- a/cpu/mcf52x2/interrupts.c +++ b/cpu/mcf52x2/interrupts.c @@ -59,13 +59,19 @@ void dtimer_intr_setup(void) #endif /* CONFIG_MCFTMR */ #endif /* CONFIG_M5272 */ -#if defined(CONFIG_M5282) || defined(CONFIG_M5271) || defined(CONFIG_M5275) +#if defined(CONFIG_M5208) || defined(CONFIG_M5282) || \ + defined(CONFIG_M5271) || defined(CONFIG_M5275) int interrupt_init(void) { volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); /* Make sure all interrupts are disabled */ +#if defined(CONFIG_M5208) + intp->imrl0 = 0xFFFFFFFF; + intp->imrh0 = 0xFFFFFFFF; +#else intp->imrl0 |= 0x1; +#endif enable_interrupts(); return 0; diff --git a/cpu/mcf52x2/speed.c b/cpu/mcf52x2/speed.c index c93a518..b485e1c 100644 --- a/cpu/mcf52x2/speed.c +++ b/cpu/mcf52x2/speed.c @@ -30,11 +30,16 @@ DECLARE_GLOBAL_DATA_PTR; -/* - * get_clocks() fills in gd->cpu_clock and gd->bus_clk - */ +/* get_clocks() fills in gd->cpu_clock and gd->bus_clk */ int get_clocks (void) { +#if defined(CONFIG_M5208) + volatile pll_t *pll = (pll_t *) MMAP_PLL; + + pll->odr = CONFIG_SYS_PLL_ODR; + pll->fdr = CONFIG_SYS_PLL_FDR; +#endif + #if defined(CONFIG_M5249) || defined(CONFIG_M5253) volatile unsigned long cpll = mbar2_readLong(MCFSIM_PLLCR); unsigned long pllcr; @@ -77,7 +82,7 @@ int get_clocks (void) #endif gd->cpu_clk = CONFIG_SYS_CLK; -#if defined(CONFIG_M5249) || defined(CONFIG_M5253) || \ +#if defined(CONFIG_M5208) || defined(CONFIG_M5249) || defined(CONFIG_M5253) || \ defined(CONFIG_M5271) || defined(CONFIG_M5275) gd->bus_clk = gd->cpu_clk / 2; #else diff --git a/cpu/mcf52x2/start.S b/cpu/mcf52x2/start.S index ba6b884..0dd4de5 100644 --- a/cpu/mcf52x2/start.S +++ b/cpu/mcf52x2/start.S @@ -120,6 +120,12 @@ _start: nop move.w #0x2700,%sr +#if defined(CONFIG_M5208) + /* Initialize RAMBAR: locate SRAM and validate it */ + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 + movec %d0, %RAMBAR1 +#endif + #if defined(CONFIG_M5272) || defined(CONFIG_M5249) || defined(CONFIG_M5253) move.l #(CONFIG_SYS_MBAR + 1), %d0 /* set MBAR address + valid flag */ move.c %d0, %MBAR @@ -195,15 +201,6 @@ _after_flashbar_copy: movec %d0, %RAMBAR1 #endif -#if 0 - /* invalidate and disable cache */ - move.l #0x01000000, %d0 /* Invalidate cache cmd */ - movec %d0, %CACR /* Invalidate cache */ - move.l #0, %d0 - movec %d0, %ACR0 - movec %d0, %ACR1 -#endif - /* set stackpointer to end of internal ram to get some stackspace for the first c-code */ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp clr.l %sp@- @@ -340,6 +337,24 @@ _int_handler: /*------------------------------------------------------------------------------*/ /* cache functions */ +#ifdef CONFIG_M5208 + .globl icache_enable +icache_enable: + move.l #0x01000000, %d0 /* Invalidate cache cmd */ + movec %d0, %CACR /* Invalidate cache */ + move.l #(CONFIG_SYS_SDRAM_BASE + 0xC000), %d0 /* Setup cache mask */ + movec %d0, %ACR0 /* Enable cache */ + + move.l #0x80000200, %d0 /* Setup cache mask */ + movec %d0, %CACR /* Enable cache */ + nop + + move.l #(CONFIG_SYS_INIT_RAM_ADDR+CONFIG_SYS_INIT_RAM_END-8), %a1 + moveq #1, %d0 + move.l %d0, (%a1) + rts +#endif + #ifdef CONFIG_M5271 .globl icache_enable icache_enable: diff --git a/cpu/mcf5445x/Makefile b/cpu/mcf5445x/Makefile index a549fdd..26ec298 100644 --- a/cpu/mcf5445x/Makefile +++ b/cpu/mcf5445x/Makefile @@ -28,7 +28,7 @@ include $(TOPDIR)/config.mk LIB = lib$(CPU).a START = start.o -COBJS = cpu.o speed.o cpu_init.o interrupts.o pci.o dspi.o +COBJS = cpu.o speed.o cpu_init.o interrupts.o pci.o SRCS := $(START:.o=.S) $(SOBJS:.o=.S) $(COBJS:.o=.c) OBJS := $(addprefix $(obj),$(SOBJS) $(COBJS)) diff --git a/cpu/mcf5445x/cpu_init.c b/cpu/mcf5445x/cpu_init.c index 7e04e32..48b37df 100644 --- a/cpu/mcf5445x/cpu_init.c +++ b/cpu/mcf5445x/cpu_init.c @@ -171,3 +171,69 @@ int fecpin_setclear(struct eth_device *dev, int setclear) return 0; } #endif + +#ifdef CONFIG_CF_DSPI +void cfspi_port_conf(void) +{ + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + gpio->par_dspi = GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | + GPIO_PAR_DSPI_SCK_SCK; +} + +int cfspi_claim_bus(uint bus, uint cs) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) + return -1; + + /* Clear FIFO and resume transfer */ + dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); + + switch (cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 1: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS1_PCS1; + break; + case 2: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS2_PCS2; + break; + case 5: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5; + gpio->par_dspi |= GPIO_PAR_DSPI_PCS5_PCS5; + break; + } + + return 0; +} + +void cfspi_release_bus(uint bus, uint cs) +{ + volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; + volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + + dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */ + + switch (cs) { + case 0: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + break; + case 1: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS1_PCS1; + break; + case 2: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS2_PCS2; + break; + case 5: + gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS5_PCS5; + break; + } +} +#endif diff --git a/cpu/mcf5445x/dspi.c b/cpu/mcf5445x/dspi.c deleted file mode 100644 index 6d3ebab..0000000 --- a/cpu/mcf5445x/dspi.c +++ /dev/null @@ -1,239 +0,0 @@ -/* - * - * (C) Copyright 2000-2003 - * Wolfgang Denk, DENX Software Engineering, wd@denx.de. - * - * Copyright (C) 2004-2008 Freescale Semiconductor, Inc. - * TsiChung Liew (Tsi-Chung.Liew@freescale.com) - * - * 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 <spi.h> -#include <malloc.h> - -#if defined(CONFIG_CF_DSPI) -#include <asm/immap.h> - -void dspi_init(void) -{ - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - - gpio->par_dspi = GPIO_PAR_DSPI_PCS5_PCS5 | GPIO_PAR_DSPI_PCS2_PCS2 | - GPIO_PAR_DSPI_PCS1_PCS1 | GPIO_PAR_DSPI_PCS0_PCS0 | - GPIO_PAR_DSPI_SIN_SIN | GPIO_PAR_DSPI_SOUT_SOUT | - GPIO_PAR_DSPI_SCK_SCK; - - dspi->dmcr = DSPI_DMCR_MSTR | DSPI_DMCR_CSIS7 | DSPI_DMCR_CSIS6 | - DSPI_DMCR_CSIS5 | DSPI_DMCR_CSIS4 | DSPI_DMCR_CSIS3 | - DSPI_DMCR_CSIS2 | DSPI_DMCR_CSIS1 | DSPI_DMCR_CSIS0 | - DSPI_DMCR_CRXF | DSPI_DMCR_CTXF; - -#ifdef CONFIG_SYS_DSPI_DCTAR0 - dspi->dctar0 = CONFIG_SYS_DSPI_DCTAR0; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR1 - dspi->dctar1 = CONFIG_SYS_DSPI_DCTAR1; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR2 - dspi->dctar2 = CONFIG_SYS_DSPI_DCTAR2; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR3 - dspi->dctar3 = CONFIG_SYS_DSPI_DCTAR3; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR4 - dspi->dctar4 = CONFIG_SYS_DSPI_DCTAR4; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR5 - dspi->dctar5 = CONFIG_SYS_DSPI_DCTAR5; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR6 - dspi->dctar6 = CONFIG_SYS_DSPI_DCTAR6; -#endif -#ifdef CONFIG_SYS_DSPI_DCTAR7 - dspi->dctar7 = CONFIG_SYS_DSPI_DCTAR7; -#endif -} - -void dspi_tx(int chipsel, u8 attrib, u16 data) -{ - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - - while ((dspi->dsr & 0x0000F000) >= 4) ; - - dspi->dtfr = (attrib << 24) | ((1 << chipsel) << 16) | data; -} - -u16 dspi_rx(void) -{ - volatile dspi_t *dspi = (dspi_t *) MMAP_DSPI; - - while ((dspi->dsr & 0x000000F0) == 0) ; - - return (dspi->drfr & 0xFFFF); -} - -#if defined(CONFIG_CMD_SPI) -void spi_init_f(void) -{ -} - -void spi_init_r(void) -{ -} - -void spi_init(void) -{ - dspi_init(); -} - -struct spi_slave *spi_setup_slave(unsigned int bus, unsigned int cs, - unsigned int max_hz, unsigned int mode) -{ - struct spi_slave *slave; - - slave = malloc(sizeof(struct spi_slave)); - if (!slave) - return NULL; - - slave->bus = bus; - slave->cs = cs; - - return slave; -} - -void spi_free_slave(struct spi_slave *slave) -{ - free(slave); -} - -int spi_claim_bus(struct spi_slave *slave) -{ - return 0; -} - -void spi_release_bus(struct spi_slave *slave) -{ -} - -int spi_xfer(struct spi_slave *slave, unsigned int bitlen, const void *dout, - void *din, unsigned long flags) -{ - static int bWrite = 0; - u8 *spi_rd, *spi_wr; - int len = bitlen >> 3; - - spi_rd = (u8 *) din; - spi_wr = (u8 *) dout; - - /* command handling */ - if (((len == 4) || (len == 1) || (len == 5)) && (dout != NULL)) { - switch (*spi_wr) { - case 0x02: /* Page Prog */ - bWrite = 1; - dspi_tx(slave->cs, 0x80, spi_wr[0]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[1]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[2]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[3]); - dspi_rx(); - return 0; - case 0x05: /* Read Status */ - if (len == 4) - if ((spi_wr[1] == 0xFF) && (spi_wr[2] == 0xFF) - && (spi_wr[3] == 0xFF)) { - dspi_tx(slave->cs, 0x80, *spi_wr); - dspi_rx(); - } - return 0; - case 0x06: /* WREN */ - dspi_tx(slave->cs, 0x00, *spi_wr); - dspi_rx(); - return 0; - case 0x0B: /* Fast read */ - if ((len == 5) && (spi_wr[4] == 0)) { - dspi_tx(slave->cs, 0x80, spi_wr[0]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[1]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[2]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[3]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[4]); - dspi_rx(); - } - return 0; - case 0x9F: /* RDID */ - dspi_tx(slave->cs, 0x80, *spi_wr); - dspi_rx(); - return 0; - case 0xD8: /* Sector erase */ - if (len == 4) - if ((spi_wr[2] == 0) && (spi_wr[3] == 0)) { - dspi_tx(slave->cs, 0x80, spi_wr[0]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[1]); - dspi_rx(); - dspi_tx(slave->cs, 0x80, spi_wr[2]); - dspi_rx(); - dspi_tx(slave->cs, 0x00, spi_wr[3]); - dspi_rx(); - } - return 0; - } - } - - if (bWrite) - len--; - - while (len--) { - if (dout != NULL) { - dspi_tx(slave->cs, 0x80, *spi_wr); - dspi_rx(); - spi_wr++; - } - - if (din != NULL) { - dspi_tx(slave->cs, 0x80, 0); - *spi_rd = dspi_rx(); - spi_rd++; - } - } - - if (flags == SPI_XFER_END) { - if (bWrite) { - dspi_tx(slave->cs, 0x00, *spi_wr); - dspi_rx(); - bWrite = 0; - } else { - dspi_tx(slave->cs, 0x00, 0); - dspi_rx(); - } - } - - return 0; -} -#endif /* CONFIG_CMD_SPI */ - -#endif /* CONFIG_CF_DSPI */ diff --git a/cpu/mcf5445x/start.S b/cpu/mcf5445x/start.S index 26fb2ce..c156bab 100644 --- a/cpu/mcf5445x/start.S +++ b/cpu/mcf5445x/start.S @@ -149,9 +149,35 @@ asm_sbf_img_hdr: .long 0x00030000 /* image length */ .long TEXT_BASE /* image to be relocated at */ + + asm_dram_init: + move.w #0x2700,%sr /* Mask off Interrupt */ + + move.l #CONFIG_SYS_INIT_RAM_ADDR, %d0 + movec %d0, %VBR + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 - movec %d0, %RAMBAR1 /* init Rambar */ + movec %d0, %RAMBAR1 + + /* initialize general use internal ram */ + move.l #0, %d0 + move.l #(CACR_STATUS), %a1 /* CACR */ + move.l #(ICACHE_STATUS), %a2 /* icache */ + move.l #(DCACHE_STATUS), %a3 /* dcache */ + move.l %d0, (%a1) + move.l %d0, (%a2) + move.l %d0, (%a3) + + /* invalidate and disable cache */ + move.l #0x01004100, %d0 /* Invalidate cache cmd */ + movec %d0, %CACR /* Invalidate cache */ + move.l #0, %d0 + movec %d0, %ACR0 + movec %d0, %ACR1 + movec %d0, %ACR2 + movec %d0, %ACR3 + move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp clr.l %sp@- @@ -163,10 +189,7 @@ asm_dram_init: move.l #0xFC008004, %a1 move.l #(CONFIG_SYS_CS0_MASK), (%a1) - /* - * Dram Initialization - * a1, a2, and d0 - */ + /* Dram Initialization a1, a2, and d0 */ /* mscr sdram */ move.l #0xFC0A4074, %a1 move.b #(CONFIG_SYS_SDRAM_DRV_STRENGTH), (%a1) @@ -209,24 +232,21 @@ dramsz_loop: move.l #0xFC0B8000, %a1 /* Mode */ move.l #0xFC0B8004, %a2 /* Ctrl */ -#ifdef CONFIG_M54455EVB /* Issue PALL */ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) nop +#ifdef CONFIG_M54455EVB /* Issue LEMR */ move.l #(CONFIG_SYS_SDRAM_EMOD + 0x408), (%a1) nop move.l #(CONFIG_SYS_SDRAM_MODE + 0x300), (%a1) nop - - move.l #1000, %d0 -wait1000: - nop - subq.l #1, %d0 - bne wait1000 #endif + move.l #1000, %d1 + jsr asm_delay + /* Issue PALL */ move.l #(CONFIG_SYS_SDRAM_CTRL + 2), (%a2) nop @@ -246,25 +266,24 @@ wait1000: move.l #(CONFIG_SYS_SDRAM_MODE), (%a1) nop move.l #(CONFIG_SYS_SDRAM_EMOD), (%a1) - nop #endif - move.l #500, %d0 -wait500: - nop - subq.l #1, %d0 - bne wait500 + move.l #500, %d1 + jsr asm_delay - move.l #(CONFIG_SYS_SDRAM_CTRL), %d0 - and.l #0x7FFFFFFF, %d0 + move.l #(CONFIG_SYS_SDRAM_CTRL), %d1 + and.l #0x7FFFFFFF, %d1 #ifdef CONFIG_M54455EVB - or.l #0x10000c00, %d0 + or.l #0x10000C00, %d1 #elif defined(CONFIG_M54451EVB) - or.l #0x10000000, %d0 + or.l #0x10000C00, %d1 #endif - move.l %d0, (%a2) + move.l %d1, (%a2) nop + move.l #2000, %d1 + jsr asm_delay + /* * DSPI Initialization * a0 - general, sram - 0x80008000 - 32, see M54455EVB.h @@ -274,6 +293,7 @@ wait500: * a4 - Dst addr */ /* Enable pins for DSPI mode - chip-selects are enabled later */ +asm_dspi_init: move.l #0xFC0A4063, %a0 move.b #0x7F, (%a0) @@ -367,27 +387,29 @@ asm_dspi_rd_status: move.b (%a3), %d1 rts + +asm_delay: + nop + subq.l #1, %d1 + bne asm_delay + rts #endif /* CONFIG_CF_SBF */ .text . = 0x400 .globl _start _start: +#if !defined(CONFIG_CF_SBF) nop nop move.w #0x2700,%sr /* Mask off Interrupt */ /* Set vector base register at the beginning of the Flash */ -#if defined(CONFIG_CF_SBF) - move.l #TEXT_BASE, %d0 - movec %d0, %VBR -#else move.l #CONFIG_SYS_FLASH_BASE, %d0 movec %d0, %VBR move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_RAM_CTRL), %d0 movec %d0, %RAMBAR1 -#endif /* initialize general use internal ram */ move.l #0, %d0 @@ -411,6 +433,7 @@ _start: the first c-code */ move.l #(CONFIG_SYS_INIT_RAM_ADDR + CONFIG_SYS_INIT_SP_OFFSET), %sp clr.l %sp@- +#endif move.l #__got_start, %a5 /* put relocation table address to a5 */ @@ -532,7 +555,7 @@ icache_enable: move.l #0x00040100, %d0 /* Invalidate icache */ movec %d0, %CACR - move.l #(CONFIG_SYS_SDRAM_BASE + 0x1c000), %d0 /* Setup icache */ + move.l #(CONFIG_SYS_SDRAM_BASE + 0xC000), %d0 /* Setup icache */ movec %d0, %ACR2 move.l #0x04088020, %d0 /* Enable bcache and icache */ |