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| author | Aneesh V <aneesh@ti.com> | 2011-07-21 09:10:21 -0400 |
|---|---|---|
| committer | U-Boot <uboot@aari01-12.(none)> | 2011-08-03 12:49:20 +0200 |
| commit | bcae72116257201d7288cb8c525a29aea4875b95 (patch) | |
| tree | 27511a4f1475382047a803b50883416ae87b144c /arch/arm/cpu/armv7/omap4/clocks.c | |
| parent | 033ca72438635c68f3940216a550217b9e7f6417 (diff) | |
| download | blackbird-obmc-uboot-bcae72116257201d7288cb8c525a29aea4875b95.tar.gz blackbird-obmc-uboot-bcae72116257201d7288cb8c525a29aea4875b95.zip | |
omap: add basic SPL support
- Provide alternate implementations of board_init_f()
board_init_r() for OMAP spl.
- Provide linker script
- Initialize global data
- Add serial console support
- Update CONFIG_SYS_TEXT_BASE to allow for SPL's bss and move
it to board config header from config.mk
Signed-off-by: Aneesh V <aneesh@ti.com>
Signed-off-by: Sandeep Paulraj <s-paulraj@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap4/clocks.c')
| -rw-r--r-- | arch/arm/cpu/armv7/omap4/clocks.c | 33 |
1 files changed, 33 insertions, 0 deletions
diff --git a/arch/arm/cpu/armv7/omap4/clocks.c b/arch/arm/cpu/armv7/omap4/clocks.c index e8d3a52440..f1e233a10e 100644 --- a/arch/arm/cpu/armv7/omap4/clocks.c +++ b/arch/arm/cpu/armv7/omap4/clocks.c @@ -791,6 +791,39 @@ void lock_dpll(u32 *const base) wait_for_lock(base); } +void setup_clocks_for_console(void) +{ + /* Do not add any spl_debug prints in this function */ + clrsetbits_le32(&prcm->cm_l4per_clkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK, + CD_CLKCTRL_CLKTRCTRL_SW_WKUP << + CD_CLKCTRL_CLKTRCTRL_SHIFT); + + /* Enable all UARTs - console will be on one of them */ + clrsetbits_le32(&prcm->cm_l4per_uart1_clkctrl, + MODULE_CLKCTRL_MODULEMODE_MASK, + MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << + MODULE_CLKCTRL_MODULEMODE_SHIFT); + + clrsetbits_le32(&prcm->cm_l4per_uart2_clkctrl, + MODULE_CLKCTRL_MODULEMODE_MASK, + MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << + MODULE_CLKCTRL_MODULEMODE_SHIFT); + + clrsetbits_le32(&prcm->cm_l4per_uart3_clkctrl, + MODULE_CLKCTRL_MODULEMODE_MASK, + MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << + MODULE_CLKCTRL_MODULEMODE_SHIFT); + + clrsetbits_le32(&prcm->cm_l4per_uart3_clkctrl, + MODULE_CLKCTRL_MODULEMODE_MASK, + MODULE_CLKCTRL_MODULEMODE_SW_EXPLICIT_EN << + MODULE_CLKCTRL_MODULEMODE_SHIFT); + + clrsetbits_le32(&prcm->cm_l4per_clkstctrl, CD_CLKCTRL_CLKTRCTRL_MASK, + CD_CLKCTRL_CLKTRCTRL_HW_AUTO << + CD_CLKCTRL_CLKTRCTRL_SHIFT); +} + void prcm_init(void) { switch (omap4_hw_init_context()) { |
