diff options
Diffstat (limited to 'arch/arm/boards/guf-neso/lowlevel.c')
| -rw-r--r-- | arch/arm/boards/guf-neso/lowlevel.c | 55 |
1 files changed, 29 insertions, 26 deletions
diff --git a/arch/arm/boards/guf-neso/lowlevel.c b/arch/arm/boards/guf-neso/lowlevel.c index 52fe6cffa8..ad414d9208 100644 --- a/arch/arm/boards/guf-neso/lowlevel.c +++ b/arch/arm/boards/guf-neso/lowlevel.c @@ -18,7 +18,7 @@ */ #include <common.h> #include <init.h> -#include <mach/imx-regs.h> +#include <mach/imx27-regs.h> #include <mach/imx-pll.h> #include <mach/esdctl.h> #include <asm/cache-l2x0.h> @@ -33,13 +33,8 @@ #ifdef CONFIG_NAND_IMX_BOOT static void __bare_init __naked insdram(void) { - uint32_t r; - - PCCR1 |= PCCR1_NFC_BAUDEN; - /* setup a stack to be able to call imx_nand_load_image() */ - r = STACK_BASE + STACK_SIZE - 12; - __asm__ __volatile__("mov sp, %0" : : "r"(r)); + arm_setup_stack(STACK_BASE + STACK_SIZE - 12); imx_nand_load_image(_text, barebox_image_size); @@ -60,10 +55,10 @@ void __bare_init __naked reset(void) common_reset(); /* ahb lite ip interface */ - AIPI1_PSR0 = 0x20040304; - AIPI1_PSR1 = 0xDFFBFCFB; - AIPI2_PSR0 = 0x00000000; - AIPI2_PSR1 = 0xFFFFFFFF; + writel(0x20040304, MX27_AIPI_BASE_ADDR + MX27_AIPI1_PSR0); + writel(0xDFFBFCFB, MX27_AIPI_BASE_ADDR + MX27_AIPI1_PSR1); + writel(0x00000000, MX27_AIPI_BASE_ADDR + MX27_AIPI2_PSR0); + writel(0xFFFFFFFF, MX27_AIPI_BASE_ADDR + MX27_AIPI2_PSR1); /* Skip SDRAM initialization if we run from RAM */ r = get_pc(); @@ -73,30 +68,38 @@ void __bare_init __naked reset(void) /* * DDR on CSD0 */ - writel(0x00000008, ESDMISC); /* Enable DDR SDRAM operation */ - - DSCR(3) = 0x55555555; /* Set the driving strength */ - DSCR(5) = 0x55555555; - DSCR(6) = 0x55555555; - DSCR(7) = 0x00005005; - DSCR(8) = 0x15555555; - - writel(0x00000004, ESDMISC); /* Initial reset */ - writel(0x006ac73a, ESDCFG0); - - writel(ESDCTL0_VAL | ESDCTL0_SMODE_PRECHARGE, ESDCTL0); /* precharge CSD0 all banks */ + /* Enable DDR SDRAM operation */ + writel(0x00000008, MX27_ESDCTL_BASE_ADDR + IMX_ESDMISC); + + /* Set the driving strength */ + writel(0x55555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(3)); + writel(0x55555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(5)); + writel(0x55555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(6)); + writel(0x00005005, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(7)); + writel(0x15555555, MX27_SYSCTRL_BASE_ADDR + MX27_DSCR(8)); + + /* Initial reset */ + writel(0x00000004, MX27_ESDCTL_BASE_ADDR + IMX_ESDMISC); + writel(0x006ac73a, MX27_ESDCTL_BASE_ADDR + IMX_ESDCFG0); + + /* precharge CSD0 all banks */ + writel(ESDCTL0_VAL | ESDCTL0_SMODE_PRECHARGE, + MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0); writel(0x00000000, 0xA0000F00); /* CSD0 precharge address (A10 = 1) */ - writel(ESDCTL0_VAL | ESDCTL0_SMODE_AUTO_REFRESH, ESDCTL0); + writel(ESDCTL0_VAL | ESDCTL0_SMODE_AUTO_REFRESH, + MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0); for (i = 0; i < 8; i++) writel(0, 0xa0000f00); - writel(ESDCTL0_VAL | ESDCTL0_SMODE_LOAD_MODE, ESDCTL0); + writel(ESDCTL0_VAL | ESDCTL0_SMODE_LOAD_MODE, + MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0); writeb(0xda, 0xa0000033); writeb(0xff, 0xa1000000); writel(ESDCTL0_VAL | ESDCTL0_DSIZ_31_0 | ESDCTL0_REF4 | - ESDCTL0_BL | ESDCTL0_SMODE_NORMAL, ESDCTL0); + ESDCTL0_BL | ESDCTL0_SMODE_NORMAL, + MX27_ESDCTL_BASE_ADDR + IMX_ESDCTL0); #ifdef CONFIG_NAND_IMX_BOOT /* skip NAND boot if not running from NFC space */ |