diff options
| author | Lokesh Vutla <lokeshvutla@ti.com> | 2017-05-05 12:59:10 +0530 |
|---|---|---|
| committer | Tom Rini <trini@konsulko.com> | 2017-05-12 08:37:14 -0400 |
| commit | fbd6295da4d69ea32eaa477700d00ac8577a8212 (patch) | |
| tree | fa2014c395a089ece50f2731aa41e37596a956f7 /board/ti/am43xx | |
| parent | 0650798824ce76336b25073a0def0c91613366cd (diff) | |
| download | u-boot-fbd6295da4d69ea32eaa477700d00ac8577a8212.tar.gz | |
arm: am33xx: Add support for mulitiple PLL input frequencies
am335x supports various sysclk frequencies which can be determined
using sysboot pins. PLLs should be configures based on this
sysclk frequency. Add PLL configurations for all supported
frequencies.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Reviewed-by: Tom Rini <trini@konsulko.com>
Diffstat (limited to 'board/ti/am43xx')
| -rw-r--r-- | board/ti/am43xx/board.c | 21 |
1 files changed, 0 insertions, 21 deletions
diff --git a/board/ti/am43xx/board.c b/board/ti/am43xx/board.c index 2572029a25..f633e2f85d 100644 --- a/board/ti/am43xx/board.c +++ b/board/ti/am43xx/board.c @@ -49,8 +49,6 @@ void do_board_detect(void) #ifndef CONFIG_SKIP_LOWLEVEL_INIT -#define NUM_OPPS 6 - const struct dpll_params dpll_mpu[NUM_CRYSTAL_FREQ][NUM_OPPS] = { { /* 19.2 MHz */ {125, 3, 2, -1, -1, -1, -1}, /* OPP 50 */ @@ -317,25 +315,6 @@ void emif_get_ext_phy_ctrl_const_regs(const u32 **regs, u32 *size) return; } -/* - * get_sys_clk_index : returns the index of the sys_clk read from - * ctrl status register. This value is either - * read from efuse or sysboot pins. - */ -static u32 get_sys_clk_index(void) -{ - struct ctrl_stat *ctrl = (struct ctrl_stat *)CTRL_BASE; - u32 ind = readl(&ctrl->statusreg), src; - - src = (ind & CTRL_CRYSTAL_FREQ_SRC_MASK) >> CTRL_CRYSTAL_FREQ_SRC_SHIFT; - if (src == CTRL_CRYSTAL_FREQ_SRC_EFUSE) /* Value read from EFUSE */ - return ((ind & CTRL_CRYSTAL_FREQ_SELECTION_MASK) >> - CTRL_CRYSTAL_FREQ_SELECTION_SHIFT); - else /* Value read from SYS BOOT pins */ - return ((ind & CTRL_SYSBOOT_15_14_MASK) >> - CTRL_SYSBOOT_15_14_SHIFT); -} - const struct dpll_params *get_dpll_ddr_params(void) { int ind = get_sys_clk_index(); |