Signed-off-by: Alison Wang b18965@freescale.com --- arch/m68k/cpu/mcf523x/cpu.c | 33 +++++---- arch/m68k/cpu/mcf523x/cpu_init.c | 122 ++++++++++++++++++----------------- arch/m68k/cpu/mcf523x/interrupts.c | 15 ++-- arch/m68k/cpu/mcf523x/speed.c | 10 ++- board/freescale/m5235evb/m5235evb.c | 43 +++++++------ 5 files changed, 120 insertions(+), 103 deletions(-)
diff --git a/arch/m68k/cpu/mcf523x/cpu.c b/arch/m68k/cpu/mcf523x/cpu.c index 2376f97..a3f5684 100644 --- a/arch/m68k/cpu/mcf523x/cpu.c +++ b/arch/m68k/cpu/mcf523x/cpu.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -31,28 +31,29 @@ #include <netdev.h>
#include <asm/immap.h> +#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[]) { - volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; + ccm_t *ccm = (ccm_t *) MMAP_CCM;
- ccm->rcr = CCM_RCR_SOFTRST; + out_8(&ccm->rcr, CCM_RCR_SOFTRST); /* we don't return! */ return 0; -}; +}
int checkcpu(void) { - volatile ccm_t *ccm = (ccm_t *) MMAP_CCM; + ccm_t *ccm = (ccm_t *) MMAP_CCM; u16 msk; u16 id = 0; u8 ver;
puts("CPU: "); - msk = (ccm->cir >> 6); - ver = (ccm->cir & 0x003f); + msk = (in_be16(&ccm->cir) >> 6); + ver = (in_be16(&ccm->cir) & 0x003f); switch (msk) { case 0x31: id = 5235; @@ -76,19 +77,21 @@ int checkcpu(void) /* Called by macro WATCHDOG_RESET */ void watchdog_reset(void) { - volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
- wdp->sr = 0x5555; /* Count register */ + /* Count register */ + out_be16(&wdp->sr, 0x5555); asm("nop"); - wdp->sr = 0xAAAA; /* Count register */ + out_be16(&wdp->sr, 0xaaaa); }
int watchdog_disable(void) { - volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + wdog_t *wdp = (wdog_t *) (MMAP_WDOG);
/* UserManual, once the wdog is disabled, wdog cannot be re-enabled */ - wdp->cr |= WTM_WCR_HALTED; /* halted watchdog timer */ + /* halted watchdog timer */ + setbits_be16(&wdp->cr, WTM_WCR_HALTED);
puts("WATCHDOG:disabled\n"); return (0); @@ -96,15 +99,15 @@ int watchdog_disable(void)
int watchdog_init(void) { - volatile wdog_t *wdp = (wdog_t *) (MMAP_WDOG); + wdog_t *wdp = (wdog_t *) (MMAP_WDOG); u32 wdog_module = 0;
/* set timeout and enable watchdog */ wdog_module = ((CONFIG_SYS_CLK / CONFIG_SYS_HZ) * CONFIG_WATCHDOG_TIMEOUT); wdog_module |= (wdog_module / 8192); - wdp->mr = wdog_module; + out_be16(&wdp->mr, wdog_module);
- wdp->cr = WTM_WCR_EN; + out_be16(&wdp->cr, WTM_WCR_EN); puts("WATCHDOG:enabled\n");
return (0); diff --git a/arch/m68k/cpu/mcf523x/cpu_init.c b/arch/m68k/cpu/mcf523x/cpu_init.c index 0f299f0..d1c0b40 100644 --- a/arch/m68k/cpu/mcf523x/cpu_init.c +++ b/arch/m68k/cpu/mcf523x/cpu_init.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * (C) Copyright 2007 Freescale Semiconductor, Inc. + * (C) Copyright 2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -28,6 +28,7 @@ #include <common.h> #include <watchdog.h> #include <asm/immap.h> +#include <asm/io.h>
#if defined(CONFIG_CMD_NET) #include <config.h> @@ -44,74 +45,74 @@ */ void cpu_init_f(void) { - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; - volatile wdog_t *wdog = (wdog_t *) MMAP_WDOG; - volatile scm_t *scm = (scm_t *) MMAP_SCM; + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; + wdog_t *wdog = (wdog_t *) MMAP_WDOG; + scm_t *scm = (scm_t *) MMAP_SCM;
/* watchdog is enabled by default - disable the watchdog */ #ifndef CONFIG_WATCHDOG - wdog->cr = 0; + out_be16(&wdog->cr, 0); #endif
- scm->rambar = (CONFIG_SYS_INIT_RAM_ADDR | SCM_RAMBAR_BDE); + out_be32(&scm->rambar, CONFIG_SYS_INIT_RAM_ADDR | SCM_RAMBAR_BDE);
/* Port configuration */ - gpio->par_cs = 0; + out_8(&gpio->par_cs, 0);
#if (defined(CONFIG_SYS_CS0_BASE) && defined(CONFIG_SYS_CS0_MASK) && defined(CONFIG_SYS_CS0_CTRL)) - fbcs->csar0 = CONFIG_SYS_CS0_BASE; - fbcs->cscr0 = CONFIG_SYS_CS0_CTRL; - fbcs->csmr0 = CONFIG_SYS_CS0_MASK; + out_be32(&fbcs->csar0, CONFIG_SYS_CS0_BASE); + out_be32(&fbcs->cscr0, CONFIG_SYS_CS0_CTRL); + out_be32(&fbcs->csmr0, CONFIG_SYS_CS0_MASK); #endif
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) && defined(CONFIG_SYS_CS1_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS1; - fbcs->csar1 = CONFIG_SYS_CS1_BASE; - fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; - fbcs->csmr1 = CONFIG_SYS_CS1_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS1); + out_be32(&fbcs->csar1, CONFIG_SYS_CS1_BASE); + out_be32(&fbcs->cscr1, CONFIG_SYS_CS1_CTRL); + out_be32(&fbcs->csmr1, CONFIG_SYS_CS1_MASK); #endif
#if (defined(CONFIG_SYS_CS2_BASE) && defined(CONFIG_SYS_CS2_MASK) && defined(CONFIG_SYS_CS2_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS2; - fbcs->csar2 = CONFIG_SYS_CS2_BASE; - fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; - fbcs->csmr2 = CONFIG_SYS_CS2_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS2); + out_be32(&fbcs->csar2, CONFIG_SYS_CS2_BASE); + out_be32(&fbcs->cscr2, CONFIG_SYS_CS2_CTRL); + out_be32(&fbcs->csmr2, CONFIG_SYS_CS2_MASK); #endif
#if (defined(CONFIG_SYS_CS3_BASE) && defined(CONFIG_SYS_CS3_MASK) && defined(CONFIG_SYS_CS3_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS3; - fbcs->csar3 = CONFIG_SYS_CS3_BASE; - fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; - fbcs->csmr3 = CONFIG_SYS_CS3_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS3); + out_be32(&fbcs->csar3, CONFIG_SYS_CS3_BASE); + out_be32(&fbcs->cscr3, CONFIG_SYS_CS3_CTRL); + out_be32(&fbcs->csmr3, CONFIG_SYS_CS3_MASK); #endif
#if (defined(CONFIG_SYS_CS4_BASE) && defined(CONFIG_SYS_CS4_MASK) && defined(CONFIG_SYS_CS4_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS4; - fbcs->csar4 = CONFIG_SYS_CS4_BASE; - fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; - fbcs->csmr4 = CONFIG_SYS_CS4_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS4); + out_be32(&fbcs->csar4, CONFIG_SYS_CS4_BASE); + out_be32(&fbcs->cscr4, CONFIG_SYS_CS4_CTRL); + out_be32(&fbcs->csmr4, CONFIG_SYS_CS4_MASK); #endif
#if (defined(CONFIG_SYS_CS5_BASE) && defined(CONFIG_SYS_CS5_MASK) && defined(CONFIG_SYS_CS5_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS5; - fbcs->csar5 = CONFIG_SYS_CS5_BASE; - fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; - fbcs->csmr5 = CONFIG_SYS_CS5_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS5); + out_be32(&fbcs->csar5, CONFIG_SYS_CS5_BASE); + out_be32(&fbcs->cscr5, CONFIG_SYS_CS5_CTRL); + out_be32(&fbcs->csmr5, CONFIG_SYS_CS5_MASK); #endif
#if (defined(CONFIG_SYS_CS6_BASE) && defined(CONFIG_SYS_CS6_MASK) && defined(CONFIG_SYS_CS6_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS6; - fbcs->csar6 = CONFIG_SYS_CS6_BASE; - fbcs->cscr6 = CONFIG_SYS_CS6_CTRL; - fbcs->csmr6 = CONFIG_SYS_CS6_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS6); + out_be32(&fbcs->csar6, CONFIG_SYS_CS6_BASE); + out_be32(&fbcs->cscr6, CONFIG_SYS_CS6_CTRL); + out_be32(&fbcs->csmr6, CONFIG_SYS_CS6_MASK); #endif
#if (defined(CONFIG_SYS_CS7_BASE) && defined(CONFIG_SYS_CS7_MASK) && defined(CONFIG_SYS_CS7_CTRL)) - gpio->par_cs |= GPIO_PAR_CS_CS7; - fbcs->csar7 = CONFIG_SYS_CS7_BASE; - fbcs->cscr7 = CONFIG_SYS_CS7_CTRL; - fbcs->csmr7 = CONFIG_SYS_CS7_MASK; + setbits_8(&gpio->par_cs, GPIO_PAR_CS_CS7); + out_be32(&fbcs->csar7, CONFIG_SYS_CS7_BASE); + out_be32(&fbcs->cscr7, CONFIG_SYS_CS7_CTRL); + out_be32(&fbcs->csmr7, CONFIG_SYS_CS7_MASK); #endif
#ifdef CONFIG_FSL_I2C @@ -132,29 +133,33 @@ int cpu_init_r(void)
void uart_port_conf(int port) { - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + gpio_t *gpio = (gpio_t *) MMAP_GPIO;
/* Setup Ports: */ switch (port) { case 0: - gpio->par_uart &= ~(GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); - gpio->par_uart |= (GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); + clrbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); + setbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U0RXD | GPIO_PAR_UART_U0TXD); break; case 1: - gpio->par_uart &= - ~(GPIO_PAR_UART_U1RXD_MASK | GPIO_PAR_UART_U1TXD_MASK); - gpio->par_uart |= - (GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD); + clrbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U1RXD_MASK | GPIO_PAR_UART_U1TXD_MASK); + setbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U1RXD_U1RXD | GPIO_PAR_UART_U1TXD_U1TXD); break; case 2: #ifdef CONFIG_SYS_UART2_PRI_GPIO - gpio->par_uart &= ~(GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); - gpio->par_uart |= (GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); + clrbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); + setbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U2RXD | GPIO_PAR_UART_U2TXD); #elif defined(CONFIG_SYS_UART2_ALT1_GPIO) - gpio->feci2c &= - ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); - gpio->feci2c |= - (GPIO_PAR_FECI2C_EMDC_U2TXD | GPIO_PAR_FECI2C_EMDIO_U2RXD); + clrbits_8(&gpio->par_feci2c, + GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); + setbits_8(&gpio->par_feci2c, + GPIO_PAR_FECI2C_EMDC_U2TXD | GPIO_PAR_FECI2C_EMDIO_U2RXD); #endif break; } @@ -163,15 +168,16 @@ void uart_port_conf(int port) #if defined(CONFIG_CMD_NET) int fecpin_setclear(struct eth_device *dev, int setclear) { - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + gpio_t *gpio = (gpio_t *) MMAP_GPIO;
if (setclear) { - gpio->par_feci2c |= - (GPIO_PAR_FECI2C_EMDC_FECEMDC | - GPIO_PAR_FECI2C_EMDIO_FECEMDIO); + setbits_8(&gpio->par_feci2c, + GPIO_PAR_FECI2C_EMDC_FECEMDC | + GPIO_PAR_FECI2C_EMDIO_FECEMDIO); } else { - gpio->par_feci2c &= - ~(GPIO_PAR_FECI2C_EMDC_MASK | GPIO_PAR_FECI2C_EMDIO_MASK); + clrbits_8(&gpio->par_feci2c, + GPIO_PAR_FECI2C_EMDC_MASK | + GPIO_PAR_FECI2C_EMDIO_MASK); }
return 0; diff --git a/arch/m68k/cpu/mcf523x/interrupts.c b/arch/m68k/cpu/mcf523x/interrupts.c index db5ccdf..76115a4 100644 --- a/arch/m68k/cpu/mcf523x/interrupts.c +++ b/arch/m68k/cpu/mcf523x/interrupts.c @@ -1,6 +1,6 @@ /* * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -25,13 +25,14 @@ /* CPU specific interrupt routine */ #include <common.h> #include <asm/immap.h> +#include <asm/io.h>
int interrupt_init(void) { - volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
/* Make sure all interrupts are disabled */ - intp->imrl0 |= 0x1; + setbits_be32(&intp->imrl0, 0x1);
enable_interrupts(); return 0; @@ -40,10 +41,10 @@ int interrupt_init(void) #if defined(CONFIG_MCFTMR) void dtimer_intr_setup(void) { - volatile int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE); + int0_t *intp = (int0_t *) (CONFIG_SYS_INTR_BASE);
- intp->icr0[CONFIG_SYS_TMRINTR_NO] = CONFIG_SYS_TMRINTR_PRI; - intp->imrl0 &= ~INTC_IPRL_INT0; - intp->imrl0 &= ~CONFIG_SYS_TMRINTR_MASK; + out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI); + clrbits_be32(&intp->imrl0, INTC_IPRL_INT0); + clrbits_be32(&intp->imrl0, CONFIG_SYS_TMRINTR_MASK); } #endif diff --git a/arch/m68k/cpu/mcf523x/speed.c b/arch/m68k/cpu/mcf523x/speed.c index 6096ba4..e2a6ae3 100644 --- a/arch/m68k/cpu/mcf523x/speed.c +++ b/arch/m68k/cpu/mcf523x/speed.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -29,6 +29,7 @@ #include <asm/processor.h>
#include <asm/immap.h> +#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR; /* @@ -36,11 +37,12 @@ DECLARE_GLOBAL_DATA_PTR; */ int get_clocks(void) { - volatile pll_t *pll = (volatile pll_t *)(MMAP_PLL); + pll_t *pll = (pll_t *)(MMAP_PLL);
- pll->syncr = PLL_SYNCR_MFD(1); + out_be32(&pll->syncr, PLL_SYNCR_MFD(1));
- while (!(pll->synsr & PLL_SYNSR_LOCK)); + while (!(in_be32(&pll->synsr) & PLL_SYNSR_LOCK)) + ;
gd->bus_clk = CONFIG_SYS_CLK; gd->cpu_clk = (gd->bus_clk * 2); diff --git a/board/freescale/m5235evb/m5235evb.c b/board/freescale/m5235evb/m5235evb.c index b9e6126..e9a568e 100644 --- a/board/freescale/m5235evb/m5235evb.c +++ b/board/freescale/m5235evb/m5235evb.c @@ -2,7 +2,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * Copyright (C) 2004-2007 Freescale Semiconductor, Inc. + * Copyright (C) 2004-2007, 2012 Freescale Semiconductor, Inc. * TsiChung Liew (Tsi-Chung.Liew@freescale.com) * * See file CREDITS for list of people who contributed to this @@ -27,6 +27,7 @@ #include <config.h> #include <common.h> #include <asm/immap.h> +#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -39,8 +40,8 @@ int checkboard(void)
phys_size_t initdram(int board_type) { - volatile sdram_t *sdram = (volatile sdram_t *)(MMAP_SDRAM); - volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO); + sdram_t *sdram = (sdram_t *)(MMAP_SDRAM); + gpio_t *gpio = (gpio_t *)(MMAP_GPIO); u32 dramsize, i, dramclk;
/* @@ -48,14 +49,15 @@ phys_size_t initdram(int board_type) * the port-size of SDRAM. In this case it is necessary to enable * Data[15:0] on Port Address/Data. */ - gpio->par_ad = - GPIO_PAR_AD_ADDR23 | GPIO_PAR_AD_ADDR22 | GPIO_PAR_AD_ADDR21 | - GPIO_PAR_AD_DATAL; + out_8(&gpio->par_ad, + GPIO_PAR_AD_ADDR23 | GPIO_PAR_AD_ADDR22 | GPIO_PAR_AD_ADDR21 | + GPIO_PAR_AD_DATAL);
/* Initialize PAR to enable SDRAM signals */ - gpio->par_sdram = - GPIO_PAR_SDRAM_SDWE | GPIO_PAR_SDRAM_SCAS | GPIO_PAR_SDRAM_SRAS | - GPIO_PAR_SDRAM_SCKE | GPIO_PAR_SDRAM_SDCS(3); + out_8(&gpio->par_sdram, + GPIO_PAR_SDRAM_SDWE | GPIO_PAR_SDRAM_SCAS | + GPIO_PAR_SDRAM_SRAS | GPIO_PAR_SDRAM_SCKE | + GPIO_PAR_SDRAM_SDCS(3));
dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; for (i = 0x13; i < 0x20; i++) { @@ -64,25 +66,28 @@ phys_size_t initdram(int board_type) } i--;
- if (!(sdram->dacr0 & SDRAMC_DARCn_RE)) { + if (!(in_be32(&sdram->dacr0) & SDRAMC_DARCn_RE)) { dramclk = gd->bus_clk / (CONFIG_SYS_HZ * CONFIG_SYS_HZ);
/* Initialize DRAM Control Register: DCR */ - sdram->dcr = SDRAMC_DCR_RTIM_9CLKS | - SDRAMC_DCR_RTIM_6CLKS | SDRAMC_DCR_RC((15 * dramclk) >> 4); + out_be16(&sdram->dcr, SDRAMC_DCR_RTIM_9CLKS | + SDRAMC_DCR_RTIM_6CLKS | + SDRAMC_DCR_RC((15 * dramclk) >> 4));
/* Initialize DACR0 */ - sdram->dacr0 = - SDRAMC_DARCn_BA(CONFIG_SYS_SDRAM_BASE) | SDRAMC_DARCn_CASL_C1 | - SDRAMC_DARCn_CBM_CMD20 | SDRAMC_DARCn_PS_32; + out_be32(&sdram->dacr0, + SDRAMC_DARCn_BA(CONFIG_SYS_SDRAM_BASE) | + SDRAMC_DARCn_CASL_C1 | SDRAMC_DARCn_CBM_CMD20 | + SDRAMC_DARCn_PS_32); asm("nop");
/* Initialize DMR0 */ - sdram->dmr0 = ((dramsize - 1) & 0xFFFC0000) | SDRAMC_DMRn_V; + out_be32(&sdram->dmr0, + ((dramsize - 1) & 0xFFFC0000) | SDRAMC_DMRn_V); asm("nop");
/* Set IP (bit 3) in DACR */ - sdram->dacr0 |= SDRAMC_DARCn_IP; + setbits_be32(&sdram->dacr0, SDRAMC_DARCn_IP);
/* Wait 30ns to allow banks to precharge */ for (i = 0; i < 5; i++) { @@ -93,7 +98,7 @@ phys_size_t initdram(int board_type) *(u32 *) (CONFIG_SYS_SDRAM_BASE) = 0xA5A59696;
/* Set RE (bit 15) in DACR */ - sdram->dacr0 |= SDRAMC_DARCn_RE; + setbits_be32(&sdram->dacr0, SDRAMC_DARCn_RE);
/* Wait for at least 8 auto refresh cycles to occur */ for (i = 0; i < 0x2000; i++) { @@ -101,7 +106,7 @@ phys_size_t initdram(int board_type) }
/* Finish the configuration by issuing the MRS. */ - sdram->dacr0 |= SDRAMC_DARCn_IMRS; + setbits_be32(&sdram->dacr0, SDRAMC_DARCn_IMRS); asm("nop");
/* Write to the SDRAM Mode Register */