Vishwa,
> -----Original Message-----
> From: linux-omap-ow...@vger.kernel.org
> [mailto:linux-omap-ow...@vger.kernel.org] On Behalf Of
> Sripathy, Vishwanath
> Sent: Friday, November 20, 2009 9:29 AM
> To: linux-omap@vger.kernel.org; Sripathy, Vishwanath
> Subject: [PATCHV2 3/4] OMAP3: Correct width for CLKSEL Fields
>
> DPLL4 M, M3, M4, M5 and M6 field width has been increased by 1 bit in
> 3630.This patch has changes to accommodate this in CM
> dynamically based on
> chip version.
>
> Signed-off-by: Vishwanath BS <vishwanath...@ti.com>
> ---
> arch/arm/mach-omap2/clock34xx.c | 18 ++++++++--
> arch/arm/mach-omap2/clock34xx.h | 53
> ++++++++++++++++++++++++++++--
> arch/arm/mach-omap2/cm-regbits-34xx.h | 7 +++-
> arch/arm/plat-omap/include/plat/clock.h | 4 +-
> 4 files changed, 71 insertions(+), 11 deletions(-)
> mode change 100644 => 100755 arch/arm/mach-omap2/clock34xx.c
No file mode changes, please.
>
> diff --git a/arch/arm/mach-omap2/clock34xx.c
> b/arch/arm/mach-omap2/clock34xx.c
> index 167f075..1e35f9a
> --- a/arch/arm/mach-omap2/clock34xx.c
> +++ b/arch/arm/mach-omap2/clock34xx.c
> @@ -43,6 +43,7 @@
> #include "prm-regbits-34xx.h"
> #include "cm.h"
> #include "cm-regbits-34xx.h"
> +#include <plat/cpu.h>
>
> static const struct clkops clkops_noncore_dpll_ops;
>
> @@ -97,6 +98,7 @@ struct omap_clk {
> #define CK_3XXX (1 << 0)
> #define CK_3430ES1 (1 << 1)
> #define CK_3430ES2 (1 << 2)
> +#define CK_363X (1 << 3)
>
> static struct omap_clk omap34xx_clks[] = {
> CLK(NULL, "omap_32k_fck", &omap_32k_fck, CK_3XXX),
> @@ -134,13 +136,13 @@ static struct omap_clk omap34xx_clks[] = {
> CLK(NULL, "omap_12m_fck", &omap_12m_fck, CK_3XXX),
> CLK(NULL, "dpll4_m2_ck", &dpll4_m2_ck, CK_3XXX),
> CLK(NULL, "dpll4_m2x2_ck", &dpll4_m2x2_ck, CK_3XXX),
> - CLK(NULL, "dpll4_m3_ck", &dpll4_m3_ck, CK_3XXX),
> + CLK(NULL, "dpll4_m3_ck", &dpll4_m3_ck, CK_3XXX
> | CK_363X),
Shouldn't CK_363X replace CK_3XXX?
CK_363X is always inside the CK_3XXX scope, but not the other way around.
> CLK(NULL, "dpll4_m3x2_ck", &dpll4_m3x2_ck, CK_3XXX),
> - CLK(NULL, "dpll4_m4_ck", &dpll4_m4_ck, CK_3XXX),
> + CLK(NULL, "dpll4_m4_ck", &dpll4_m4_ck, CK_3XXX
> | CK_363X),
> CLK(NULL, "dpll4_m4x2_ck", &dpll4_m4x2_ck, CK_3XXX),
> - CLK(NULL, "dpll4_m5_ck", &dpll4_m5_ck, CK_3XXX),
> + CLK(NULL, "dpll4_m5_ck", &dpll4_m5_ck, CK_3XXX
> | CK_363X),
> CLK(NULL, "dpll4_m5x2_ck", &dpll4_m5x2_ck, CK_3XXX),
> - CLK(NULL, "dpll4_m6_ck", &dpll4_m6_ck, CK_3XXX),
> + CLK(NULL, "dpll4_m6_ck", &dpll4_m6_ck, CK_3XXX
> | CK_363X),
> CLK(NULL, "dpll4_m6x2_ck", &dpll4_m6x2_ck, CK_3XXX),
> CLK(NULL, "emu_per_alwon_ck", &emu_per_alwon_ck, CK_3XXX),
> CLK(NULL, "dpll5_ck", &dpll5_ck, CK_3430ES2),
> @@ -1222,6 +1224,8 @@ int __init omap2_clk_init(void)
> OMAP3630_PERIPH_DPLL_DCO_SEL_MASK;
> dpll4_ck.dpll_data->sd_div_mask =
> OMAP3630_PERIPH_DPLL_SD_DIV_MASK;
> + dpll4_dd.mult_mask =
> OMAP3630_PERIPH_DPLL_MULT_MASK;
> + cpu_mask |= RATE_IN_363X;
> }
> }
>
> @@ -1232,6 +1236,12 @@ int __init omap2_clk_init(void)
>
> for (c = omap34xx_clks; c < omap34xx_clks +
> ARRAY_SIZE(omap34xx_clks); c++)
> if (c->cpu & cpu_clkflg) {
> + /* for 3630, change the mask value for
> clocks which are
> + marked as CK_363X*/
> + if (cpu_is_omap3630() && (c->cpu & CK_363X)) {
> + c->lk.clk->clksel_mask =
> +
> c->lk.clk->clksel_mask_3630;
> + }
> clkdev_add(&c->lk);
> clk_register(c->lk.clk);
> omap2_init_clk_clkdm(c->lk.clk);
> diff --git a/arch/arm/mach-omap2/clock34xx.h
> b/arch/arm/mach-omap2/clock34xx.h
> index 813a83e..93c92e5 100644
> --- a/arch/arm/mach-omap2/clock34xx.h
> +++ b/arch/arm/mach-omap2/clock34xx.h
> @@ -243,6 +243,42 @@ static const struct clksel_rate
> div16_dpll_rates[] = {
> { .div = 0 }
> };
>
> +static const struct clksel_rate div32_dpll_rates[] = {
> + { .div = 1, .val = 1, .flags = RATE_IN_3XXX | DEFAULT_RATE },
> + { .div = 2, .val = 2, .flags = RATE_IN_3XXX },
> + { .div = 3, .val = 3, .flags = RATE_IN_3XXX },
> + { .div = 4, .val = 4, .flags = RATE_IN_3XXX },
> + { .div = 5, .val = 5, .flags = RATE_IN_3XXX },
> + { .div = 6, .val = 6, .flags = RATE_IN_3XXX },
> + { .div = 7, .val = 7, .flags = RATE_IN_3XXX },
> + { .div = 8, .val = 8, .flags = RATE_IN_3XXX },
> + { .div = 9, .val = 9, .flags = RATE_IN_3XXX },
> + { .div = 10, .val = 10, .flags = RATE_IN_3XXX },
> + { .div = 11, .val = 11, .flags = RATE_IN_3XXX },
> + { .div = 12, .val = 12, .flags = RATE_IN_3XXX },
> + { .div = 13, .val = 13, .flags = RATE_IN_3XXX },
> + { .div = 14, .val = 14, .flags = RATE_IN_3XXX },
> + { .div = 15, .val = 15, .flags = RATE_IN_3XXX },
> + { .div = 16, .val = 16, .flags = RATE_IN_3XXX },
> + { .div = 17, .val = 17, .flags = RATE_IN_363X },
> + { .div = 18, .val = 18, .flags = RATE_IN_363X },
> + { .div = 19, .val = 19, .flags = RATE_IN_363X },
> + { .div = 20, .val = 20, .flags = RATE_IN_363X },
> + { .div = 21, .val = 21, .flags = RATE_IN_363X },
> + { .div = 22, .val = 22, .flags = RATE_IN_363X },
> + { .div = 23, .val = 23, .flags = RATE_IN_363X },
> + { .div = 24, .val = 24, .flags = RATE_IN_363X },
> + { .div = 25, .val = 25, .flags = RATE_IN_363X },
> + { .div = 26, .val = 26, .flags = RATE_IN_363X },
> + { .div = 27, .val = 27, .flags = RATE_IN_363X },
> + { .div = 28, .val = 28, .flags = RATE_IN_363X },
> + { .div = 29, .val = 29, .flags = RATE_IN_363X },
> + { .div = 30, .val = 30, .flags = RATE_IN_363X },
> + { .div = 31, .val = 31, .flags = RATE_IN_363X },
> + { .div = 32, .val = 32, .flags = RATE_IN_363X },
> + { .div = 0 }
> +};
> +
> /* DPLL1 */
> /* MPU clock source */
> /* Type: DPLL */
> @@ -588,6 +624,11 @@ static const struct clksel
> div16_dpll4_clksel[] = {
> { .parent = NULL }
> };
>
> +static const struct clksel div32_dpll4_clksel[] = {
> + { .parent = &dpll4_ck, .rates = div32_dpll_rates },
> + { .parent = NULL }
> +};
> +
> /* This virtual clock is the source for dpll4_m2x2_ck */
> static struct clk dpll4_m2_ck = {
> .name = "dpll4_m2_ck",
> @@ -668,7 +709,8 @@ static struct clk dpll4_m3_ck = {
> .init = &omap2_init_clksel_parent,
> .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
> .clksel_mask = OMAP3430_CLKSEL_TV_MASK,
> - .clksel = div16_dpll4_clksel,
> + .clksel_mask_3630 = OMAP3630_CLKSEL_TV_MASK,
> + .clksel = div32_dpll4_clksel,
> .clkdm_name = "dpll4_clkdm",
> .recalc = &omap2_clksel_recalc,
> };
> @@ -754,7 +796,8 @@ static struct clk dpll4_m4_ck = {
> .init = &omap2_init_clksel_parent,
> .clksel_reg = OMAP_CM_REGADDR(OMAP3430_DSS_MOD, CM_CLKSEL),
> .clksel_mask = OMAP3430_CLKSEL_DSS1_MASK,
> - .clksel = div16_dpll4_clksel,
> + .clksel_mask_3630 = OMAP3630_CLKSEL_DSS1_MASK,
> + .clksel = div32_dpll4_clksel,
> .clkdm_name = "dpll4_clkdm",
> .recalc = &omap2_clksel_recalc,
> .set_rate = &omap2_clksel_set_rate,
> @@ -781,7 +824,8 @@ static struct clk dpll4_m5_ck = {
> .init = &omap2_init_clksel_parent,
> .clksel_reg = OMAP_CM_REGADDR(OMAP3430_CAM_MOD, CM_CLKSEL),
> .clksel_mask = OMAP3430_CLKSEL_CAM_MASK,
> - .clksel = div16_dpll4_clksel,
> + .clksel_mask_3630 = OMAP3630_CLKSEL_CAM_MASK,
> + .clksel = div32_dpll4_clksel,
> .clkdm_name = "dpll4_clkdm",
> .recalc = &omap2_clksel_recalc,
> };
> @@ -806,7 +850,8 @@ static struct clk dpll4_m6_ck = {
> .init = &omap2_init_clksel_parent,
> .clksel_reg = OMAP_CM_REGADDR(OMAP3430_EMU_MOD, CM_CLKSEL1),
> .clksel_mask = OMAP3430_DIV_DPLL4_MASK,
> - .clksel = div16_dpll4_clksel,
> + .clksel_mask_3630 = OMAP3630_DIV_DPLL4_MASK,
> + .clksel = div32_dpll4_clksel,
> .clkdm_name = "dpll4_clkdm",
> .recalc = &omap2_clksel_recalc,
> };
> diff --git a/arch/arm/mach-omap2/cm-regbits-34xx.h
> b/arch/arm/mach-omap2/cm-regbits-34xx.h
> index 6f2802b..a6383f9 100644
> --- a/arch/arm/mach-omap2/cm-regbits-34xx.h
> +++ b/arch/arm/mach-omap2/cm-regbits-34xx.h
> @@ -516,7 +516,8 @@
>
> /* CM_CLKSEL2_PLL */
> #define OMAP3430_PERIPH_DPLL_MULT_SHIFT 8
> -#define OMAP3430_PERIPH_DPLL_MULT_MASK
> (0xfff << 8)
> +#define OMAP3430_PERIPH_DPLL_MULT_MASK
> (0x7ff << 8)
> +#define OMAP3630_PERIPH_DPLL_MULT_MASK
> (0xfff << 8)
> #define OMAP3430_PERIPH_DPLL_DIV_SHIFT 0
> #define OMAP3430_PERIPH_DPLL_DIV_MASK
> (0x7f << 0)
> #define OMAP3630_PERIPH_DPLL_DCO_SEL_SHIFT 21
> @@ -573,8 +574,10 @@
> /* CM_CLKSEL_DSS */
> #define OMAP3430_CLKSEL_TV_SHIFT 8
> #define OMAP3430_CLKSEL_TV_MASK
> (0x1f << 8)
> +#define OMAP3630_CLKSEL_TV_MASK
> (0x3f << 8)
> #define OMAP3430_CLKSEL_DSS1_SHIFT 0
> #define OMAP3430_CLKSEL_DSS1_MASK (0x1f << 0)
> +#define OMAP3630_CLKSEL_DSS1_MASK (0x3f << 0)
>
> /* CM_SLEEPDEP_DSS specific bits */
>
> @@ -602,6 +605,7 @@
> /* CM_CLKSEL_CAM */
> #define OMAP3430_CLKSEL_CAM_SHIFT 0
> #define OMAP3430_CLKSEL_CAM_MASK (0x1f << 0)
> +#define OMAP3630_CLKSEL_CAM_MASK (0x3f << 0)
>
> /* CM_SLEEPDEP_CAM specific bits */
>
> @@ -697,6 +701,7 @@
> /* CM_CLKSEL1_EMU */
> #define OMAP3430_DIV_DPLL4_SHIFT 24
> #define OMAP3430_DIV_DPLL4_MASK
> (0x1f << 24)
> +#define OMAP3630_DIV_DPLL4_MASK
> (0x3f << 24)
> #define OMAP3430_DIV_DPLL3_SHIFT 16
> #define OMAP3430_DIV_DPLL3_MASK
> (0x1f << 16)
> #define OMAP3430_CLKSEL_TRACECLK_SHIFT 11
> diff --git a/arch/arm/plat-omap/include/plat/clock.h
> b/arch/arm/plat-omap/include/plat/clock.h
> index 359ccb4..0e0a5cc 100644
> --- a/arch/arm/plat-omap/include/plat/clock.h
> +++ b/arch/arm/plat-omap/include/plat/clock.h
> @@ -93,7 +93,7 @@ struct clk {
> defined(CONFIG_ARCH_OMAP4)
> u8 fixed_div;
> void __iomem *clksel_reg;
> - u32 clksel_mask;
> + u32 clksel_mask, clksel_mask_3630;
> const struct clksel *clksel;
> struct dpll_data *dpll_data;
> const char *clkdm_name;
> @@ -159,7 +159,7 @@ extern const struct clkops clkops_null;
> #define RATE_IN_243X (1 << 2)
> #define RATE_IN_3XXX (1 << 3) /* rates common
> to all 343X */
> #define RATE_IN_3430ES2 (1 << 4) /*
> 3430ES2 rates only */
> -
> +#define RATE_IN_363X (1 << 5) /* rates common
> to all 343X */
Bad comment? Please revisit.
Regards,
Sergio
> #define RATE_IN_24XX (RATE_IN_242X | RATE_IN_243X)
>
>
> --
> 1.5.6.3
>
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