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| author | Lokesh Vutla <lokeshvutla@ti.com> | 2013-05-30 03:19:38 +0000 |
|---|---|---|
| committer | Tom Rini <trini@ti.com> | 2013-06-10 08:43:10 -0400 |
| commit | 97405d843ece2a53e67b801e02ee42005d26e172 (patch) | |
| tree | 13c4b866c44ebbbb7033f7490921fcb6dffa6004 /arch/arm/cpu/armv7/omap-common | |
| parent | 7f36c88f64ee1affd4db78b2c2f4a616abceb84c (diff) | |
| download | u-boot-imx-97405d843ece2a53e67b801e02ee42005d26e172.zip u-boot-imx-97405d843ece2a53e67b801e02ee42005d26e172.tar.gz u-boot-imx-97405d843ece2a53e67b801e02ee42005d26e172.tar.bz2 | |
ARM: DRA7xx: clocks: Update PLL values
Update PLL values.
SYS_CLKSEL value for 20MHz is changed to 2. In other platforms
SYS_CLKSEL value 2 represents reserved. But in sys_clk array
ind 1 is used for 13Mhz. Since other platforms are not using
13Mhz, reusing index 1 for 20MHz.
Signed-off-by: Lokesh Vutla <lokeshvutla@ti.com>
Signed-off-by: Sricharan R <r.sricharan@ti.com>
Diffstat (limited to 'arch/arm/cpu/armv7/omap-common')
| -rw-r--r-- | arch/arm/cpu/armv7/omap-common/clocks-common.c | 16 |
1 files changed, 7 insertions, 9 deletions
diff --git a/arch/arm/cpu/armv7/omap-common/clocks-common.c b/arch/arm/cpu/armv7/omap-common/clocks-common.c index 9c75c13..ef23127 100644 --- a/arch/arm/cpu/armv7/omap-common/clocks-common.c +++ b/arch/arm/cpu/armv7/omap-common/clocks-common.c @@ -50,13 +50,12 @@ const u32 sys_clk_array[8] = { 12000000, /* 12 MHz */ - 13000000, /* 13 MHz */ + 20000000, /* 20 MHz */ 16800000, /* 16.8 MHz */ 19200000, /* 19.2 MHz */ 26000000, /* 26 MHz */ 27000000, /* 27 MHz */ 38400000, /* 38.4 MHz */ - 20000000, /* 20 MHz */ }; static inline u32 __get_sys_clk_index(void) @@ -75,13 +74,6 @@ static inline u32 __get_sys_clk_index(void) /* SYS_CLKSEL - 1 to match the dpll param array indices */ ind = (readl((*prcm)->cm_sys_clksel) & CM_SYS_CLKSEL_SYS_CLKSEL_MASK) - 1; - /* - * SYS_CLKSEL value for 20MHz is 0. This is introduced newly - * in DRA7XX socs. SYS_CLKSEL -1 will be greater than - * NUM_SYS_CLK. So considering the last 3 bits as the index - * for the dpll param array. - */ - ind &= CM_SYS_CLKSEL_SYS_CLKSEL_MASK; } return ind; } @@ -441,6 +433,12 @@ static void setup_non_essential_dplls(void) params = get_abe_dpll_params(*dplls_data); #ifdef CONFIG_SYS_OMAP_ABE_SYSCK abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_SYSCLK; + + if (omap_revision() == DRA752_ES1_0) + /* Select the sys clk for dpll_abe */ + clrsetbits_le32((*prcm)->cm_abe_pll_sys_clksel, + CM_CLKSEL_ABE_PLL_SYS_CLKSEL_MASK, + CM_ABE_PLL_SYS_CLKSEL_SYSCLK2); #else abe_ref_clk = CM_ABE_PLL_REF_CLKSEL_CLKSEL_32KCLK; /* |