diff options
author | Sascha Hauer <s.hauer@pengutronix.de> | 2012-12-06 12:41:52 +0100 |
---|---|---|
committer | Sascha Hauer <s.hauer@pengutronix.de> | 2012-12-06 14:25:18 +0100 |
commit | 5a12d9036109f2a819e5e455102eb68db936608e (patch) | |
tree | 16dddac2c186bfa37b1ad280a86c5cce78f0f47b /arch/arm/mach-imx/clk-imx6.c | |
parent | 984eae1f2f0a6ad8a03fef880674a69ed6269750 (diff) | |
download | barebox-5a12d9036109f2a819e5e455102eb68db936608e.tar.gz barebox-5a12d9036109f2a819e5e455102eb68db936608e.tar.xz |
ARM i.MX6: Add sata device
This also adds and enables the clocks needed for SATA.
Signed-off-by: Sascha Hauer <s.hauer@pengutronix.de>
Diffstat (limited to 'arch/arm/mach-imx/clk-imx6.c')
-rw-r--r-- | arch/arm/mach-imx/clk-imx6.c | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/arch/arm/mach-imx/clk-imx6.c b/arch/arm/mach-imx/clk-imx6.c index 6f2df17347..f78d3d2bcd 100644 --- a/arch/arm/mach-imx/clk-imx6.c +++ b/arch/arm/mach-imx/clk-imx6.c @@ -83,6 +83,7 @@ enum mx6q_clks { usdhc4, vdo_axi, vpu_axi, cko1, pll1_sys, pll2_bus, pll3_usb_otg, pll4_audio, pll5_video, pll8_mlb, pll7_usb_host, pll6_enet, ssi1_ipg, ssi2_ipg, ssi3_ipg, rom, usbphy1, usbphy2, ldb_di0_div_3_5, ldb_di1_div_3_5, + sata_ref, pcie_ref, sata_ref_100m, pcie_ref_125m, enet_ref, clk_max }; @@ -169,6 +170,14 @@ static const char *cko1_sels[] = { "pll4_audio", }; +static struct clk_div_table clk_enet_ref_table[] = { + { .val = 0, .div = 20, }, + { .val = 1, .div = 10, }, + { .val = 2, .div = 5, }, + { .val = 3, .div = 4, }, + { }, +}; + static int imx6_ccm_probe(struct device_d *dev) { void __iomem *base, *anatop_base, *ccm_base; @@ -196,6 +205,13 @@ static int imx6_ccm_probe(struct device_d *dev) clks[pll7_usb_host] = imx_clk_pllv3(IMX_PLLV3_USB, "pll7_usb_host","osc", base + 0x20, 0x3); clks[pll6_enet] = imx_clk_pllv3(IMX_PLLV3_ENET, "pll6_enet", "osc", base + 0xe0, 0x3); + clks[sata_ref] = imx_clk_fixed_factor("sata_ref", "pll6_enet", 1, 5); + clks[pcie_ref] = imx_clk_fixed_factor("pcie_ref", "pll6_enet", 1, 4); + clks[sata_ref_100m] = imx_clk_gate("sata_ref_100m", "sata_ref", base + 0xe0, 20); + clks[pcie_ref_125m] = imx_clk_gate("pcie_ref_125m", "pcie_ref", base + 0xe0, 19); + + clks[enet_ref] = clk_divider_table("enet_ref", "pll6_enet", base + 0xe0, 0, 2, clk_enet_ref_table); + /* name parent_name reg idx */ clks[pll2_pfd0_352m] = imx_clk_pfd("pll2_pfd0_352m", "pll2_bus", base + 0x100, 0); clks[pll2_pfd1_594m] = imx_clk_pfd("pll2_pfd1_594m", "pll2_bus", base + 0x100, 1); @@ -281,6 +297,7 @@ static int imx6_ccm_probe(struct device_d *dev) clkdev_add_physbase(clks[ipg_per], MX6_I2C1_BASE_ADDR, NULL); clkdev_add_physbase(clks[ipg_per], MX6_I2C2_BASE_ADDR, NULL); clkdev_add_physbase(clks[ipg_per], MX6_I2C3_BASE_ADDR, NULL); + clkdev_add_physbase(clks[ahb], MX6_SATA_BASE_ADDR, NULL); writel(0xffffffff, ccm_base + CCGR0); writel(0xffffffff, ccm_base + CCGR1); @@ -291,6 +308,9 @@ static int imx6_ccm_probe(struct device_d *dev) writel(0xffffffff, ccm_base + CCGR6); writel(0xffffffff, ccm_base + CCGR7); + clk_enable(clks[pll6_enet]); + clk_enable(clks[sata_ref_100m]); + return 0; } |