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arm, am33xx: move uart soft reset code to common place

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move uart soft reset code to common place and call
this function from board code, instead of copy and paste
this code for every board.

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>
Acked-by: Tom Rini <trini@ti.com>
[trini: Fix igep0033 build, remove 'regval' on pcm051]
Signed-off-by: Tom Rini <trini@ti.com>
This commit is contained in:
Heiko Schocher 2013-06-04 11:00:57 +02:00 committed by Tom Rini
parent 7b9c5d0bfd
commit 7ea7f689ca
6 changed files with 27 additions and 85 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

22
arch/arm/cpu/armv7/am33xx/board.c
View File

@ -166,4 +166,26 @@ void rtc32k_enable(void)
/* Enable the RTC 32K OSC by setting bits 3 and 6. */
writel((1 << 3) | (1 << 6), &rtc->osc);
}
#define UART_RESET (0x1 << 1)
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
void uart_soft_reset(void)
{
struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
u32 regval;
regval = readl(&uart_base->uartsyscfg);
regval |= UART_RESET;
writel(regval, &uart_base->uartsyscfg);
while ((readl(&uart_base->uartsyssts) &
UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
;
/* Disable smart idle */
regval = readl(&uart_base->uartsyscfg);
regval |= UART_SMART_IDLE_EN;
writel(regval, &uart_base->uartsyscfg);
}
#endif

1
arch/arm/include/asm/arch-am33xx/sys_proto.h
View File

@ -44,4 +44,5 @@ void enable_gpmc_cs_config(const u32 *gpmc_config, struct gpmc_cs *cs, u32 base,
void omap_nand_switch_ecc(uint32_t, uint32_t);
void rtc32k_enable(void);
void uart_soft_reset(void);
#endif

24
board/isee/igep0033/board.c
View File

@ -36,21 +36,13 @@
DECLARE_GLOBAL_DATA_PTR;
static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
#ifdef CONFIG_SPL_BUILD
static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
#endif
/* MII mode defines */
#define RMII_MODE_ENABLE 0x4D
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/* UART Defines */
#ifdef CONFIG_SPL_BUILD
#define UART_RESET (0x1 << 1)
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
static const struct ddr_data ddr3_data = {
.datardsratio0 = K4B2G1646EBIH9_RD_DQS,
.datawdsratio0 = K4B2G1646EBIH9_WR_DQS,
@ -115,23 +107,9 @@ void s_init(void)
/* Enable RTC32K clock */
rtc32k_enable();
/* UART softreset */
u32 regval;
enable_uart0_pin_mux();
regval = readl(&uart_base->uartsyscfg);
regval |= UART_RESET;
writel(regval, &uart_base->uartsyscfg);
while ((readl(&uart_base->uartsyssts) &
UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
;
/* Disable smart idle */
regval = readl(&uart_base->uartsyscfg);
regval |= UART_SMART_IDLE_EN;
writel(regval, &uart_base->uartsyscfg);
uart_soft_reset();
gd = &gdata;
preloader_console_init();

23
board/phytec/pcm051/board.c
View File

@ -39,9 +39,6 @@
DECLARE_GLOBAL_DATA_PTR;
static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
#ifdef CONFIG_SPL_BUILD
static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
#endif
/* MII mode defines */
#define MII_MODE_ENABLE 0x0
@ -50,11 +47,7 @@ static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/* UART defines */
#ifdef CONFIG_SPL_BUILD
#define UART_RESET (0x1 << 1)
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
/* DDR RAM defines */
#define DDR_CLK_MHZ 303 /* DDR_DPLL_MULT value */
@ -125,22 +118,8 @@ void s_init(void)
/* Enable RTC32K clock */
rtc32k_enable();
/* UART softreset */
u32 regval;
enable_uart0_pin_mux();
regval = readl(&uart_base->uartsyscfg);
regval |= UART_RESET;
writel(regval, &uart_base->uartsyscfg);
while ((readl(&uart_base->uartsyssts) & UART_CLK_RUNNING_MASK)
!= UART_CLK_RUNNING_MASK)
;
/* Disable smart idle */
regval = readl(&uart_base->uartsyscfg);
regval |= UART_SMART_IDLE_EN;
writel(regval, &uart_base->uartsyscfg);
uart_soft_reset();
gd = &gdata;

23
board/ti/am335x/board.c
View File

@ -38,9 +38,6 @@
DECLARE_GLOBAL_DATA_PTR;
static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
#ifdef CONFIG_SPL_BUILD
static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
#endif
/* MII mode defines */
#define MII_MODE_ENABLE 0x0
@ -126,12 +123,7 @@ static int read_eeprom(void)
return 0;
}
/* UART Defines */
#ifdef CONFIG_SPL_BUILD
#define UART_RESET (0x1 << 1)
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
static const struct ddr_data ddr2_data = {
.datardsratio0 = ((MT47H128M16RT25E_RD_DQS<<30) |
(MT47H128M16RT25E_RD_DQS<<20) |
@ -314,9 +306,6 @@ void s_init(void)
/* Enable RTC32K clock */
rtc32k_enable();
/* UART softreset */
u32 regVal;
#ifdef CONFIG_SERIAL1
enable_uart0_pin_mux();
#endif /* CONFIG_SERIAL1 */
@ -336,17 +325,7 @@ void s_init(void)
enable_uart5_pin_mux();
#endif /* CONFIG_SERIAL6 */
regVal = readl(&uart_base->uartsyscfg);
regVal |= UART_RESET;
writel(regVal, &uart_base->uartsyscfg);
while ((readl(&uart_base->uartsyssts) &
UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
;
/* Disable smart idle */
regVal = readl(&uart_base->uartsyscfg);
regVal |= UART_SMART_IDLE_EN;
writel(regVal, &uart_base->uartsyscfg);
uart_soft_reset();
gd = &gdata;

19
board/ti/ti814x/evm.c
View File

@ -37,33 +37,16 @@ DECLARE_GLOBAL_DATA_PTR;
#ifdef CONFIG_SPL_BUILD
static struct wd_timer *wdtimer = (struct wd_timer *)WDT_BASE;
static struct uart_sys *uart_base = (struct uart_sys *)DEFAULT_UART_BASE;
#endif
static struct ctrl_dev *cdev = (struct ctrl_dev *)CTRL_DEVICE_BASE;
/* UART Defines */
#ifdef CONFIG_SPL_BUILD
#define UART_RESET (0x1 << 1)
#define UART_CLK_RUNNING_MASK 0x1
#define UART_SMART_IDLE_EN (0x1 << 0x3)
static void uart_enable(void)
{
u32 regVal;
/* UART softreset */
regVal = readl(&uart_base->uartsyscfg);
regVal |= UART_RESET;
writel(regVal, &uart_base->uartsyscfg);
while ((readl(&uart_base->uartsyssts) &
UART_CLK_RUNNING_MASK) != UART_CLK_RUNNING_MASK)
;
/* Disable smart idle */
regVal = readl(&uart_base->uartsyscfg);
regVal |= UART_SMART_IDLE_EN;
writel(regVal, &uart_base->uartsyscfg);
uart_soft_reset();
}
static void wdt_disable(void)