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sunxi: add clock configuration of R40 sata

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R40 has a similar SATA controller with the ones on A10/A20, but with a
reset line added (like other peripherals on sun6i+), and two extra VDD
pins added (1.2v and 2.5v).

Add clock configuration of R40 SATA.

Signed-off-by: Icenowy Zheng <icenowy@aosc.io>
Signed-off-by: Maxime Ripard <maxime.ripard@free-electrons.com>
This commit is contained in:
Icenowy Zheng 2017-05-01 14:31:56 +08:00 • committed by Maxime Ripard
parent af83a604b3
commit 9946631a0f
2 changed files with 23 additions and 2 deletions
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18
arch/arm/include/asm/arch-sunxi/clock_sun6i.h
View file

@ -25,7 +25,7 @@ struct sunxi_ccm_reg {
u32 pll6_cfg; /* 0x28 pll6 control */
u32 reserved5;
u32 pll7_cfg; /* 0x30 pll7 control */
u32 reserved6;
u32 sata_pll_cfg; /* 0x34 SATA pll control (R40 only) */
u32 pll8_cfg; /* 0x38 pll8 control */
u32 reserved7;
u32 mipi_pll_cfg; /* 0x40 MIPI pll control */
@ -58,7 +58,8 @@ struct sunxi_ccm_reg {
u32 i2s1_clk_cfg; /* 0xb4 I2S1 clock control */
u32 reserved10[2];
u32 spdif_clk_cfg; /* 0xc0 SPDIF clock control */
u32 reserved11[2];
u32 reserved11;
u32 sata_clk_cfg; /* 0xc8 SATA clock control (R40 only) */
u32 usb_clk_cfg; /* 0xcc USB clock control */
u32 gmac_clk_cfg; /* 0xd0 GMAC clock control */
u32 reserved12[7];
@ -224,6 +225,8 @@ struct sunxi_ccm_reg {
#define CCM_PLL6_CTRL_K_MASK (0x3 << CCM_PLL6_CTRL_K_SHIFT)
#define CCM_PLL6_CTRL_LOCK (1 << 28)
#define CCM_SATA_PLL_DEFAULT 0x90005811 /* 100 MHz */
#define CCM_MIPI_PLL_CTRL_M_SHIFT 0
#define CCM_MIPI_PLL_CTRL_M_MASK (0xf << CCM_MIPI_PLL_CTRL_M_SHIFT)
#define CCM_MIPI_PLL_CTRL_M(n) ((((n) - 1) & 0xf) << 0)
@ -280,7 +283,12 @@ struct sunxi_ccm_reg {
#define AHB_GATE_OFFSET_USB_EHCI1 27
#define AHB_GATE_OFFSET_USB_EHCI0 26
#endif
#ifndef CONFIG_MACH_SUN8I_R40
#define AHB_GATE_OFFSET_USB0 24
#else
#define AHB_GATE_OFFSET_USB0 25
#define AHB_GATE_OFFSET_SATA 24
#endif
#define AHB_GATE_OFFSET_MCTL 14
#define AHB_GATE_OFFSET_GMAC 17
#define AHB_GATE_OFFSET_NAND0 13
@ -315,6 +323,9 @@ struct sunxi_ccm_reg {
#define CCM_MMC_CTRL_PLL6 (0x1 << 24)
#define CCM_MMC_CTRL_ENABLE (0x1 << 31)
#define CCM_SATA_CTRL_ENABLE (0x1 << 31)
#define CCM_SATA_CTRL_USE_EXTCLK (0x1 << 24)
#define CCM_USB_CTRL_PHY0_RST (0x1 << 0)
#define CCM_USB_CTRL_PHY1_RST (0x1 << 1)
#define CCM_USB_CTRL_PHY2_RST (0x1 << 2)
@ -417,6 +428,9 @@ struct sunxi_ccm_reg {
#define CCM_PLL11_PATTERN 0xf5860000
/* ahb_reset0 offsets */
#ifdef CONFIG_MACH_SUN8I_R40
#define AHB_RESET_OFFSET_SATA 24
#endif
#define AHB_RESET_OFFSET_GMAC 17
#define AHB_RESET_OFFSET_MCTL 14
#define AHB_RESET_OFFSET_MMC3 11

7
arch/arm/mach-sunxi/clock_sun6i.c
View file

@ -51,6 +51,13 @@ void clock_init_safe(void)
writel(MBUS_CLK_DEFAULT, &ccm->mbus0_clk_cfg);
if (IS_ENABLED(CONFIG_MACH_SUN6I))
writel(MBUS_CLK_DEFAULT, &ccm->mbus1_clk_cfg);
#if defined(CONFIG_MACH_SUN8I_R40) && defined(CONFIG_SUNXI_AHCI)
setbits_le32(&ccm->sata_pll_cfg, CCM_SATA_PLL_DEFAULT);
setbits_le32(&ccm->ahb_reset0_cfg, 0x1 << AHB_GATE_OFFSET_SATA);
setbits_le32(&ccm->ahb_gate0, 0x1 << AHB_GATE_OFFSET_SATA);
setbits_le32(&ccm->sata_clk_cfg, CCM_SATA_CTRL_ENABLE);
#endif
}
#endif