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arm, am33xx: move rtc32k_enable() to common place

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move rtc32k_enable() to common place so all am33xx boards can use it.

Signed-off-by: Heiko Schocher <hs@denx.de>
Cc: Matt Porter <mporter@ti.com>
Cc: Lars Poeschel <poeschel@lemonage.de>
Cc: Tom Rini <trini@ti.com>
Cc: Enric Balletbo i Serra <eballetbo@iseebcn.com>
This commit is contained in:
Heiko Schocher 2013-06-05 07:47:56 +02:00 committed by Tom Rini
parent 847e6693cc
commit 49f7836500
6 changed files with 20 additions and 64 deletions
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18
arch/arm/cpu/armv7/am33xx/board.c
View File

@ -149,3 +149,21 @@ int arch_misc_init(void)
#endif
return 0;
}
#ifdef CONFIG_SPL_BUILD
void rtc32k_enable(void)
{
struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
/*
* Unlock the RTC's registers. For more details please see the
* RTC_SS section of the TRM. In order to unlock we need to
* write these specific values (keys) in this order.
*/
writel(0x83e70b13, &rtc->kick0r);
writel(0x95a4f1e0, &rtc->kick1r);
/* Enable the RTC 32K OSC by setting bits 3 and 6. */
writel((1 << 3) | (1 << 6), &rtc->osc);
}
#endif

2
arch/arm/include/asm/arch-am33xx/sys_proto.h
View File

@ -41,4 +41,6 @@ void gpmc_init(void);
void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
u32 size);
void omap_nand_switch_ecc(uint32_t, uint32_t);
void rtc32k_enable(void);
#endif

16
board/isee/igep0033/board.c
View File

@ -51,22 +51,6 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
static void rtc32k_enable(void)
{
struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
/*
* Unlock the RTC's registers. For more details please see the
* RTC_SS section of the TRM. In order to unlock we need to
* write these specific values (keys) in this order.
*/
writel(0x83e70b13, &rtc->kick0r);
writel(0x95a4f1e0, &rtc->kick1r);
/* Enable the RTC 32K OSC by setting bits 3 and 6. */
writel((1 << 3) | (1 << 6), &rtc->osc);
}
static const struct ddr_data ddr3_data = {
.datardsratio0 = K4B2G1646EBIH9_RD_DQS,
.datawdsratio0 = K4B2G1646EBIH9_WR_DQS,

16
board/phytec/pcm051/board.c
View File

@ -59,22 +59,6 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/* DDR RAM defines */
#define DDR_CLK_MHZ 303 /* DDR_DPLL_MULT value */
static void rtc32k_enable(void)
{
struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
/*
* Unlock the RTC's registers. For more details please see the
* RTC_SS section of the TRM. In order to unlock we need to
* write these specific values (keys) in this order.
*/
writel(0x83e70b13, &rtc->kick0r);
writel(0x95a4f1e0, &rtc->kick1r);
/* Enable the RTC 32K OSC by setting bits 3 and 6. */
writel((1 << 3) | (1 << 6), &rtc->osc);
}
static const struct ddr_data ddr3_data = {
.datardsratio0 = MT41J256M8HX15E_RD_DQS,
.datawdsratio0 = MT41J256M8HX15E_WR_DQS,

16
board/ti/am335x/board.c
View File

@ -132,22 +132,6 @@ static int read_eeprom(void)
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
static void rtc32k_enable(void)
{
struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
/*
* Unlock the RTC's registers. For more details please see the
* RTC_SS section of the TRM. In order to unlock we need to
* write these specific values (keys) in this order.
*/
writel(0x83e70b13, &rtc->kick0r);
writel(0x95a4f1e0, &rtc->kick1r);
/* Enable the RTC 32K OSC by setting bits 3 and 6. */
writel((1 << 3) | (1 << 6), &rtc->osc);
}
static const struct ddr_data ddr2_data = {
.datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) |
(MT47H128M16RT25E_RD_DQS<<20) |

16
board/ti/ti814x/evm.c
View File

@ -48,22 +48,6 @@ static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
static void rtc32k_enable(void)
{
struct rtc_regs *rtc = (struct rtc_regs *)RTC_BASE;
/*
* Unlock the RTC's registers. For more details please see the
* RTC_SS section of the TRM. In order to unlock we need to
* write these specific values (keys) in this order.
*/
writel(0x83e70b13, &rtc->kick0r);
writel(0x95a4f1e0, &rtc->kick1r);
/* Enable the RTC 32K OSC by setting bits 3 and 6. */
writel((1 << 3) | (1 << 6), &rtc->osc);
}
static void uart_enable(void)
{
u32 regVal;