Message ID | 1366646100-2456-1-git-send-email-eric@eukrea.com |
---|---|
State | Accepted |
Delegated to: | Tom Rini |
Headers | show |
On Mon, Apr 22, 2013 at 05:54:59PM +0200, Eric B??nard wrote: > this is needed to bring UART0 out of reset but this function > currently only exists for dm644x/355/365/646x when da850 (at > least am1808 also need it). > > Signed-off-by: Eric B??nard <eric@eukrea.com> Along with 2/2, applied to u-boot-ti/master, thanks!
diff --git a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c index ff2e2e3..127beb8 100644 --- a/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c +++ b/arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c @@ -32,6 +32,14 @@ #include <asm/arch/emif_defs.h> #include <asm/arch/pll_defs.h> +void davinci_enable_uart0(void) +{ + lpsc_on(DAVINCI_LPSC_UART0); + + /* Bringup UART0 out of reset */ + REG(UART0_PWREMU_MGMT) = 0x00006001; +} + #if defined(CONFIG_SYS_DA850_PLL_INIT) void da850_waitloop(unsigned long loopcnt) { diff --git a/arch/arm/include/asm/arch-davinci/hardware.h b/arch/arm/include/asm/arch-davinci/hardware.h index 6eed6c9..a9017e4 100644 --- a/arch/arm/include/asm/arch-davinci/hardware.h +++ b/arch/arm/include/asm/arch-davinci/hardware.h @@ -346,6 +346,8 @@ void davinci_errata_workarounds(void); #define PSC_PSC0_MODULE_ID_CNT 16 #define PSC_PSC1_MODULE_ID_CNT 32 +#define UART0_PWREMU_MGMT (0x01c42030) + struct davinci_psc_regs { dv_reg revid; dv_reg rsvd0[71];
this is needed to bring UART0 out of reset but this function currently only exists for dm644x/355/365/646x when da850 (at least am1808 also need it). Signed-off-by: Eric BĂ©nard <eric@eukrea.com> --- arch/arm/cpu/arm926ejs/davinci/da850_lowlevel.c | 8 ++++++++ arch/arm/include/asm/arch-davinci/hardware.h | 2 ++ 2 files changed, 10 insertions(+)