Signed-off-by: Alison Wang b18965@freescale.com --- arch/m68k/cpu/mcf5227x/cpu.c | 13 ++-- arch/m68k/cpu/mcf5227x/cpu_init.c | 140 +++++++++++++++++---------------- arch/m68k/cpu/mcf5227x/interrupts.c | 15 ++-- arch/m68k/cpu/mcf5227x/speed.c | 40 +++++----- board/freescale/m52277evb/m52277evb.c | 30 ++++--- 5 files changed, 123 insertions(+), 115 deletions(-)
diff --git a/arch/m68k/cpu/mcf5227x/cpu.c b/arch/m68k/cpu/mcf5227x/cpu.c index 09ef1d2..3a0ab97 100644 --- a/arch/m68k/cpu/mcf5227x/cpu.c +++ b/arch/m68k/cpu/mcf5227x/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 @@ -30,14 +30,15 @@ #include <command.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 rcm_t *rcm = (rcm_t *) (MMAP_RCM); + rcm_t *rcm = (rcm_t *) (MMAP_RCM); udelay(1000); - rcm->rcr |= RCM_RCR_SOFTRST; + setbits_8(&rcm->rcr, RCM_RCR_SOFTRST);
/* we don't return! */ return 0; @@ -45,14 +46,14 @@ int do_reset(cmd_tbl_t *cmdtp, int flag, int argc, char * const argv[])
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 0x6c: id = 52277; diff --git a/arch/m68k/cpu/mcf5227x/cpu_init.c b/arch/m68k/cpu/mcf5227x/cpu_init.c index beb78f5..e23b20d 100644 --- a/arch/m68k/cpu/mcf5227x/cpu_init.c +++ b/arch/m68k/cpu/mcf5227x/cpu_init.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2003 * Wolfgang Denk, DENX Software Engineering, wd@denx.de. * - * (C) Copyright 2004-2007 Freescale Semiconductor, Inc. + * (C) Copyright 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 <watchdog.h>
#include <asm/immap.h> +#include <asm/io.h> #include <asm/rtc.h>
/* @@ -40,70 +41,70 @@ */ void cpu_init_f(void) { - volatile scm1_t *scm1 = (scm1_t *) MMAP_SCM1; - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; - volatile fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; - volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; + scm1_t *scm1 = (scm1_t *) MMAP_SCM1; + gpio_t *gpio = (gpio_t *) MMAP_GPIO; + fbcs_t *fbcs = (fbcs_t *) MMAP_FBCS; + pll_t *pll = (pll_t *)MMAP_PLL;
#if !defined(CONFIG_CF_SBF) /* Workaround, must place before fbcs */ - pll->psr = 0x12; - - scm1->mpr = 0x77777777; - scm1->pacra = 0; - scm1->pacrb = 0; - scm1->pacrc = 0; - scm1->pacrd = 0; - scm1->pacre = 0; - scm1->pacrf = 0; - scm1->pacrg = 0; - scm1->pacri = 0; + out_be32(&pll->psr, 0x12); + + out_be32(&scm1->mpr, 0x77777777); + out_be32(&scm1->pacra, 0); + out_be32(&scm1->pacrb, 0); + out_be32(&scm1->pacrc, 0); + out_be32(&scm1->pacrd, 0); + out_be32(&scm1->pacre, 0); + out_be32(&scm1->pacrf, 0); + out_be32(&scm1->pacrg, 0); + out_be32(&scm1->pacri, 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 #endif /* CONFIG_CF_SBF */
#if (defined(CONFIG_SYS_CS1_BASE) && defined(CONFIG_SYS_CS1_MASK) \ && defined(CONFIG_SYS_CS1_CTRL)) - fbcs->csar1 = CONFIG_SYS_CS1_BASE; - fbcs->cscr1 = CONFIG_SYS_CS1_CTRL; - fbcs->csmr1 = CONFIG_SYS_CS1_MASK; + 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)) - fbcs->csar2 = CONFIG_SYS_CS2_BASE; - fbcs->cscr2 = CONFIG_SYS_CS2_CTRL; - fbcs->csmr2 = CONFIG_SYS_CS2_MASK; + 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)) - fbcs->csar3 = CONFIG_SYS_CS3_BASE; - fbcs->cscr3 = CONFIG_SYS_CS3_CTRL; - fbcs->csmr3 = CONFIG_SYS_CS3_MASK; + 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)) - fbcs->csar4 = CONFIG_SYS_CS4_BASE; - fbcs->cscr4 = CONFIG_SYS_CS4_CTRL; - fbcs->csmr4 = CONFIG_SYS_CS4_MASK; + 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)) - fbcs->csar5 = CONFIG_SYS_CS5_BASE; - fbcs->cscr5 = CONFIG_SYS_CS5_CTRL; - fbcs->csmr5 = CONFIG_SYS_CS5_MASK; + 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
#ifdef CONFIG_FSL_I2C - gpio->par_i2c = GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA; + out_8(&gpio->par_i2c, GPIO_PAR_I2C_SCL_SCL | GPIO_PAR_I2C_SDA_SDA); #endif
icache_enable(); @@ -115,11 +116,11 @@ void cpu_init_f(void) int cpu_init_r(void) { #ifdef CONFIG_MCFRTC - volatile rtc_t *rtc = (volatile rtc_t *)(CONFIG_SYS_MCFRTC_BASE); - volatile rtcex_t *rtcex = (volatile rtcex_t *)&rtc->extended; + rtc_t *rtc = (rtc_t *)(CONFIG_SYS_MCFRTC_BASE); + rtcex_t *rtcex = (rtcex_t *)&rtc->extended;
- rtcex->gocu = (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xFFFF; - rtcex->gocl = CONFIG_SYS_RTC_OSCILLATOR & 0xFFFF; + out_be32(&rtcex->gocu, (CONFIG_SYS_RTC_OSCILLATOR >> 16) & 0xffff); + out_be32(&rtcex->gocl, CONFIG_SYS_RTC_OSCILLATOR & 0xffff); #endif
return (0); @@ -127,27 +128,27 @@ 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_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK); - gpio->par_uart |= - (GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); + clrbits_be16(&gpio->par_uart, + ~(GPIO_PAR_UART_U0TXD_UNMASK & GPIO_PAR_UART_U0RXD_UNMASK)); + setbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U0TXD_U0TXD | GPIO_PAR_UART_U0RXD_U0RXD); break; case 1: - gpio->par_uart &= - (GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK); - gpio->par_uart |= - (GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); + clrbits_be16(&gpio->par_uart, + ~(GPIO_PAR_UART_U1TXD_UNMASK & GPIO_PAR_UART_U1RXD_UNMASK)); + setbits_be16(&gpio->par_uart, + GPIO_PAR_UART_U1TXD_U1TXD | GPIO_PAR_UART_U1RXD_U1RXD); break; case 2: - gpio->par_dspi &= - (GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK); - gpio->par_dspi = - (GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD); + clrbits_8(&gpio->par_dspi, + ~(GPIO_PAR_DSPI_SIN_UNMASK & GPIO_PAR_DSPI_SOUT_UNMASK)); + out_8(&gpio->par_dspi, + GPIO_PAR_DSPI_SIN_U2RXD | GPIO_PAR_DSPI_SOUT_U2TXD); break; } } @@ -155,32 +156,32 @@ void uart_port_conf(int port) #ifdef CONFIG_CF_DSPI void cfspi_port_conf(void) { - volatile gpio_t *gpio = (gpio_t *) MMAP_GPIO; + 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; + out_8(&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; + dspi_t *dspi = (dspi_t *) MMAP_DSPI; + gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- if ((dspi->sr & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) + if ((in_be32(&dspi->sr) & DSPI_SR_TXRXS) != DSPI_SR_TXRXS) return -1;
/* Clear FIFO and resume transfer */ - dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); + clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
switch (cs) { case 0: - gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_UNMASK; - gpio->par_dspi |= GPIO_PAR_DSPI_PCS0_PCS0; + clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_UNMASK); + setbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); break; case 2: - gpio->par_timer &= GPIO_PAR_TIMER_T2IN_UNMASK; - gpio->par_timer |= GPIO_PAR_TIMER_T2IN_DSPIPCS2; + clrbits_8(&gpio->par_timer, ~GPIO_PAR_TIMER_T2IN_UNMASK); + setbits_8(&gpio->par_timer, GPIO_PAR_TIMER_T2IN_DSPIPCS2); break; }
@@ -189,17 +190,18 @@ int cfspi_claim_bus(uint bus, uint cs)
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_t *dspi = (dspi_t *) MMAP_DSPI; + gpio_t *gpio = (gpio_t *) MMAP_GPIO;
- dspi->mcr &= ~(DSPI_MCR_CTXF | DSPI_MCR_CRXF); /* Clear FIFO */ + /* Clear FIFO */ + clrbits_be32(&dspi->mcr, DSPI_MCR_CTXF | DSPI_MCR_CRXF);
switch (cs) { case 0: - gpio->par_dspi &= ~GPIO_PAR_DSPI_PCS0_PCS0; + clrbits_8(&gpio->par_dspi, GPIO_PAR_DSPI_PCS0_PCS0); break; case 2: - gpio->par_timer &= GPIO_PAR_TIMER_T2IN_UNMASK; + clrbits_8(&gpio->par_timer, ~GPIO_PAR_TIMER_T2IN_UNMASK); break; } } diff --git a/arch/m68k/cpu/mcf5227x/interrupts.c b/arch/m68k/cpu/mcf5227x/interrupts.c index 85828a6..a2cf519 100644 --- a/arch/m68k/cpu/mcf5227x/interrupts.c +++ b/arch/m68k/cpu/mcf5227x/interrupts.c @@ -3,7 +3,7 @@ * (C) Copyright 2000-2004 * 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 @@ -28,14 +28,15 @@ /* 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->imrh0 |= 0xFFFFFFFF; - intp->imrl0 |= 0xFFFFFFFF; + setbits_be32(&intp->imrh0, 0xffffffff); + setbits_be32(&intp->imrl0, 0xffffffff);
enable_interrupts(); return 0; @@ -44,9 +45,9 @@ 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->imrh0 &= ~CONFIG_SYS_TMRINTR_MASK; + out_8(&intp->icr0[CONFIG_SYS_TMRINTR_NO], CONFIG_SYS_TMRINTR_PRI); + clrbits_be32(&intp->imrh0, CONFIG_SYS_TMRINTR_MASK); } #endif diff --git a/arch/m68k/cpu/mcf5227x/speed.c b/arch/m68k/cpu/mcf5227x/speed.c index 7e385d3..b94a9ed 100644 --- a/arch/m68k/cpu/mcf5227x/speed.c +++ b/arch/m68k/cpu/mcf5227x/speed.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 @@ -26,6 +26,7 @@ #include <asm/processor.h>
#include <asm/immap.h> +#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -44,7 +45,7 @@ DECLARE_GLOBAL_DATA_PTR;
void clock_enter_limp(int lpdiv) { - volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM; + ccm_t *ccm = (ccm_t *)MMAP_CCM; int i, j;
/* Check bounds of divider */ @@ -57,10 +58,10 @@ void clock_enter_limp(int lpdiv) for (i = 0, j = lpdiv; j != 1; j >>= 1, i++) ;
/* Apply the divider to the system clock */ - ccm->cdr = (ccm->cdr & 0xF0FF) | CCM_CDR_LPDIV(i); + clrsetbits_be16(&ccm->cdr, 0x0f00, CCM_CDR_LPDIV(i));
/* Enable Limp Mode */ - ccm->misccr |= CCM_MISCCR_LIMP; + setbits_be16(&ccm->misccr, CCM_MISCCR_LIMP); }
/* @@ -69,14 +70,15 @@ void clock_enter_limp(int lpdiv) */ void clock_exit_limp(void) { - volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM; - volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; + ccm_t *ccm = (ccm_t *)MMAP_CCM; + pll_t *pll = (pll_t *)MMAP_PLL;
/* Exit Limp mode */ - ccm->misccr &= ~CCM_MISCCR_LIMP; + clrbits_be16(&ccm->misccr, CCM_MISCCR_LIMP);
/* Wait for the PLL to lock */ - while (!(pll->psr & PLL_PSR_LOCK)) ; + while (!(in_be32(&pll->psr) & PLL_PSR_LOCK)) + ; }
/* @@ -85,12 +87,12 @@ void clock_exit_limp(void) int get_clocks(void) {
- volatile ccm_t *ccm = (volatile ccm_t *)MMAP_CCM; - volatile pll_t *pll = (volatile pll_t *)MMAP_PLL; + ccm_t *ccm = (ccm_t *)MMAP_CCM; + pll_t *pll = (pll_t *)MMAP_PLL; int vco, temp, pcrvalue, pfdr; u8 bootmode;
- pcrvalue = pll->pcr & 0xFF0F0FFF; + pcrvalue = in_be32(&pll->pcr) & 0xFF0F0FFF; pfdr = pcrvalue >> 24;
if (pfdr == 0x1E) @@ -102,32 +104,32 @@ int get_clocks(void)
if (bootmode == 0) { /* Normal mode */ - vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; + vco = ((in_be32(&pll->pcr) & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; if ((vco < CLOCK_PLL_FVCO_MIN) || (vco > CLOCK_PLL_FVCO_MAX)) { /* Default value */ - pcrvalue = (pll->pcr & 0x00FFFFFF); + pcrvalue = (in_be32(&pll->pcr) & 0x00FFFFFF); pcrvalue |= 0x1E << 24; - pll->pcr = pcrvalue; + out_be32(&pll->pcr, pcrvalue); vco = - ((pll->pcr & 0xFF000000) >> 24) * + ((in_be32(&pll->pcr) & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; } gd->vco_clk = vco; /* Vco clock */ } else if (bootmode == 3) { /* serial mode */ - vco = ((pll->pcr & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; + vco = ((in_be32(&pll->pcr) & 0xFF000000) >> 24) * CONFIG_SYS_INPUT_CLKSRC; gd->vco_clk = vco; /* Vco clock */ }
- if ((ccm->ccr & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) { + if ((in_be16(&ccm->ccr) & CCM_MISCCR_LIMP) == CCM_MISCCR_LIMP) { /* Limp mode */ } else { gd->inp_clk = CONFIG_SYS_INPUT_CLKSRC; /* Input clock */
- temp = (pll->pcr & PLL_PCR_OUTDIV1_MASK) + 1; + temp = (in_be32(&pll->pcr) & PLL_PCR_OUTDIV1_MASK) + 1; gd->cpu_clk = vco / temp; /* cpu clock */
- temp = ((pll->pcr & PLL_PCR_OUTDIV2_MASK) >> 4) + 1; + temp = ((in_be32(&pll->pcr) & PLL_PCR_OUTDIV2_MASK) >> 4) + 1; gd->flb_clk = vco / temp; /* flexbus clock */ gd->bus_clk = gd->flb_clk; } diff --git a/board/freescale/m52277evb/m52277evb.c b/board/freescale/m52277evb/m52277evb.c index 9109edb..a9bec58 100644 --- a/board/freescale/m52277evb/m52277evb.c +++ b/board/freescale/m52277evb/m52277evb.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 @@ -26,6 +26,7 @@
#include <common.h> #include <asm/immap.h> +#include <asm/io.h>
DECLARE_GLOBAL_DATA_PTR;
@@ -47,8 +48,8 @@ phys_size_t initdram(int board_type) */ dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; #else - volatile sdramc_t *sdram = (volatile sdramc_t *)(MMAP_SDRAM); - volatile gpio_t *gpio = (volatile gpio_t *)(MMAP_GPIO); + sdramc_t *sdram = (sdramc_t *)(MMAP_SDRAM); + gpio_t *gpio = (gpio_t *)(MMAP_GPIO); u32 i;
dramsize = CONFIG_SYS_SDRAM_SIZE * 0x100000; @@ -59,36 +60,37 @@ phys_size_t initdram(int board_type) } i--;
- gpio->mscr_sdram = CONFIG_SYS_SDRAM_DRV_STRENGTH; + out_8(&gpio->mscr_sdram, CONFIG_SYS_SDRAM_DRV_STRENGTH);
- sdram->sdcs0 = (CONFIG_SYS_SDRAM_BASE | i); + out_be32(&sdram->sdcs0, CONFIG_SYS_SDRAM_BASE | i);
- sdram->sdcfg1 = CONFIG_SYS_SDRAM_CFG1; - sdram->sdcfg2 = CONFIG_SYS_SDRAM_CFG2; + out_be32(&sdram->sdcfg1, CONFIG_SYS_SDRAM_CFG1); + out_be32(&sdram->sdcfg2, CONFIG_SYS_SDRAM_CFG2);
/* Issue PALL */ - sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2; + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2); __asm__("nop");
/* Issue LEMR */ - sdram->sdmr = CONFIG_SYS_SDRAM_MODE; + out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_MODE); __asm__("nop"); - sdram->sdmr = CONFIG_SYS_SDRAM_EMOD; + out_be32(&sdram->sdmr, CONFIG_SYS_SDRAM_EMOD); __asm__("nop");
udelay(1000);
/* Issue PALL */ - sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 2; + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 2); __asm__("nop");
/* Perform two refresh cycles */ - sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4; + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4); __asm__("nop"); - sdram->sdcr = CONFIG_SYS_SDRAM_CTRL | 4; + out_be32(&sdram->sdcr, CONFIG_SYS_SDRAM_CTRL | 4); __asm__("nop");
- sdram->sdcr = (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000C00; + out_be32(&sdram->sdcr, + (CONFIG_SYS_SDRAM_CTRL & ~0x80000000) | 0x10000c00);
udelay(100); #endif