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| author | Jernej Skrabec <jernej.skrabec@siol.net> | 2021-01-11 21:11:40 +0100 |
|---|---|---|
| committer | Andre Przywara <andre.przywara@arm.com> | 2021-01-25 21:52:00 +0000 |
| commit | b18bd53d6cde6cd458f279a667eaaf6082c1af45 (patch) | |
| tree | 4cd1c15121f33323a7a0f6a0e542b655155dc175 /arch | |
| parent | c0b417b2f1a313a5fee5d08eda4a886a9950d1ed (diff) | |
| download | u-boot-b18bd53d6cde6cd458f279a667eaaf6082c1af45.zip u-boot-b18bd53d6cde6cd458f279a667eaaf6082c1af45.tar.gz u-boot-b18bd53d6cde6cd458f279a667eaaf6082c1af45.tar.bz2 | |
sunxi: introduce support for H616 clocks
H616 has mostly the same clocks as H6 with some small differences. Just
reuse H6 clocks for H616 and handle differences with macros.
Signed-off-by: Jernej Skrabec <jernej.skrabec@siol.net>
Reviewed-by: Samuel Holland <samuel@sholland.org>
Reviewed-by: Andre Przywara <andre.przywara@arm.com>
Signed-off-by: Andre Przywara <andre.przywara@arm.com>
Diffstat (limited to 'arch')
| -rw-r--r-- | arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h | 18 | ||||
| -rw-r--r-- | arch/arm/mach-sunxi/clock_sun50i_h6.c | 8 |
2 files changed, 23 insertions, 3 deletions
diff --git a/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h b/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h index e83e84a..62abfc4 100644 --- a/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h +++ b/arch/arm/include/asm/arch-sunxi/clock_sun50i_h6.h @@ -230,6 +230,7 @@ struct sunxi_ccm_reg { #define CCM_PLL1_CTRL_EN BIT(31) #define CCM_PLL1_LOCK_EN BIT(29) #define CCM_PLL1_LOCK BIT(28) +#define CCM_PLL1_OUT_EN BIT(27) #define CCM_PLL1_CLOCK_TIME_2 (2 << 24) #define CCM_PLL1_CTRL_P(p) ((p) << 16) #define CCM_PLL1_CTRL_N(n) ((n) << 8) @@ -238,6 +239,7 @@ struct sunxi_ccm_reg { #define CCM_PLL5_CTRL_EN BIT(31) #define CCM_PLL5_LOCK_EN BIT(29) #define CCM_PLL5_LOCK BIT(28) +#define CCM_PLL5_OUT_EN BIT(27) #define CCM_PLL5_CTRL_N(n) ((n) << 8) #define CCM_PLL5_CTRL_DIV1(div1) ((div1) << 0) #define CCM_PLL5_CTRL_DIV2(div0) ((div0) << 1) @@ -252,7 +254,6 @@ struct sunxi_ccm_reg { #define CCM_PLL6_CTRL_DIV1_MASK (0x1 << CCM_PLL6_CTRL_DIV1_SHIFT) #define CCM_PLL6_CTRL_DIV2_SHIFT 1 #define CCM_PLL6_CTRL_DIV2_MASK (0x1 << CCM_PLL6_CTRL_DIV2_SHIFT) -#define CCM_PLL6_DEFAULT 0xa0006300 /* cpu_axi bit field*/ #define CCM_CPU_AXI_MUX_MASK (0x3 << 24) @@ -262,6 +263,9 @@ struct sunxi_ccm_reg { #define CCM_CPU_AXI_AXI_MASK 0x3 #define CCM_CPU_AXI_DEFAULT_FACTORS 0x301 +#ifdef CONFIG_MACH_SUN50I_H6 +#define CCM_PLL6_DEFAULT 0xa0006300 + /* psi_ahb1_ahb2 bit field */ #define CCM_PSI_AHB1_AHB2_DEFAULT 0x03000102 @@ -270,6 +274,18 @@ struct sunxi_ccm_reg { /* apb1 bit field */ #define CCM_APB1_DEFAULT 0x03000102 +#elif CONFIG_MACH_SUN50I_H616 +#define CCM_PLL6_DEFAULT 0xa8003100 + +/* psi_ahb1_ahb2 bit field */ +#define CCM_PSI_AHB1_AHB2_DEFAULT 0x03000002 + +/* ahb3 bit field */ +#define CCM_AHB3_DEFAULT 0x03000002 + +/* apb1 bit field */ +#define CCM_APB1_DEFAULT 0x03000102 +#endif /* apb2 bit field */ #define APB2_CLK_SRC_OSC24M (0x0 << 24) diff --git a/arch/arm/mach-sunxi/clock_sun50i_h6.c b/arch/arm/mach-sunxi/clock_sun50i_h6.c index 6bd4669..06d84eb 100644 --- a/arch/arm/mach-sunxi/clock_sun50i_h6.c +++ b/arch/arm/mach-sunxi/clock_sun50i_h6.c @@ -68,6 +68,9 @@ void clock_set_pll1(unsigned int clk) /* clk = 24*n/p, p is ignored if clock is >288MHz */ writel(CCM_PLL1_CTRL_EN | CCM_PLL1_LOCK_EN | CCM_PLL1_CLOCK_TIME_2 | +#ifdef CONFIG_MACH_SUN50I_H616 + CCM_PLL1_OUT_EN | +#endif CCM_PLL1_CTRL_N(clk / 24000000), &ccm->pll1_cfg); while (!(readl(&ccm->pll1_cfg) & CCM_PLL1_LOCK)) {} @@ -83,6 +86,7 @@ unsigned int clock_get_pll6(void) { struct sunxi_ccm_reg *const ccm = (struct sunxi_ccm_reg *)SUNXI_CCM_BASE; + int m = IS_ENABLED(CONFIG_MACH_SUN50I_H6) ? 4 : 2; uint32_t rval = readl(&ccm->pll6_cfg); int n = ((rval & CCM_PLL6_CTRL_N_MASK) >> CCM_PLL6_CTRL_N_SHIFT); @@ -90,8 +94,8 @@ unsigned int clock_get_pll6(void) CCM_PLL6_CTRL_DIV1_SHIFT) + 1; int div2 = ((rval & CCM_PLL6_CTRL_DIV2_MASK) >> CCM_PLL6_CTRL_DIV2_SHIFT) + 1; - /* The register defines PLL6-4X, not plain PLL6 */ - return 24000000 / 4 * n / div1 / div2; + /* The register defines PLL6-2X or PLL6-4X, not plain PLL6 */ + return 24000000 / m * n / div1 / div2; } int clock_twi_onoff(int port, int state) |