summaryrefslogtreecommitdiff
diff options
context:
space:
mode:
Diffstat
-rw-r--r--arch/m68k/cpu/mcf523x/cpu.c33
-rw-r--r--arch/m68k/cpu/mcf523x/cpu_init.c122
-rw-r--r--arch/m68k/cpu/mcf523x/interrupts.c15
-rw-r--r--arch/m68k/cpu/mcf523x/speed.c10
-rw-r--r--board/freescale/m5235evb/m5235evb.c43
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 */
generated by cgit v1.1 at 2024-11-11 04:44:25 +0000