diff options
Diffstat (limited to 'arch/arm/mach-ep93xx/clock.c')
| -rw-r--r-- | arch/arm/mach-ep93xx/clock.c | 79 |
1 files changed, 79 insertions, 0 deletions
diff --git a/arch/arm/mach-ep93xx/clock.c b/arch/arm/mach-ep93xx/clock.c index 96049283a10a..e8ebeaea6c48 100644 --- a/arch/arm/mach-ep93xx/clock.c +++ b/arch/arm/mach-ep93xx/clock.c @@ -41,6 +41,56 @@ static struct clk clk_usb_host = { .enable_mask = EP93XX_SYSCON_CLOCK_USH_EN, }; +/* DMA Clocks */ +static struct clk clk_m2p0 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00020000, +}; +static struct clk clk_m2p1 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00010000, +}; +static struct clk clk_m2p2 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00080000, +}; +static struct clk clk_m2p3 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00040000, +}; +static struct clk clk_m2p4 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00200000, +}; +static struct clk clk_m2p5 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00100000, +}; +static struct clk clk_m2p6 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00800000, +}; +static struct clk clk_m2p7 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x00400000, +}; +static struct clk clk_m2p8 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x02000000, +}; +static struct clk clk_m2p9 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x01000000, +}; +static struct clk clk_m2m0 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x04000000, +}; +static struct clk clk_m2m1 = { + .enable_reg = EP93XX_SYSCON_CLOCK_CONTROL, + .enable_mask = 0x08000000, +}; + #define INIT_CK(dev,con,ck) \ { .dev_id = dev, .con_id = con, .clk = ck } @@ -54,6 +104,18 @@ static struct clk_lookup clocks[] = { INIT_CK(NULL, "pclk", &clk_p), INIT_CK(NULL, "pll2", &clk_pll2), INIT_CK(NULL, "usb_host", &clk_usb_host), + INIT_CK(NULL, "m2p0", &clk_m2p0), + INIT_CK(NULL, "m2p1", &clk_m2p1), + INIT_CK(NULL, "m2p2", &clk_m2p2), + INIT_CK(NULL, "m2p3", &clk_m2p3), + INIT_CK(NULL, "m2p4", &clk_m2p4), + INIT_CK(NULL, "m2p5", &clk_m2p5), + INIT_CK(NULL, "m2p6", &clk_m2p6), + INIT_CK(NULL, "m2p7", &clk_m2p7), + INIT_CK(NULL, "m2p8", &clk_m2p8), + INIT_CK(NULL, "m2p9", &clk_m2p9), + INIT_CK(NULL, "m2m0", &clk_m2m0), + INIT_CK(NULL, "m2m1", &clk_m2m1), }; @@ -110,6 +172,22 @@ static unsigned long calc_pll_rate(u32 config_word) return (unsigned long)rate; } +static void __init ep93xx_dma_clock_init(void) +{ + clk_m2p0.rate = clk_h.rate; + clk_m2p1.rate = clk_h.rate; + clk_m2p2.rate = clk_h.rate; + clk_m2p3.rate = clk_h.rate; + clk_m2p4.rate = clk_h.rate; + clk_m2p5.rate = clk_h.rate; + clk_m2p6.rate = clk_h.rate; + clk_m2p7.rate = clk_h.rate; + clk_m2p8.rate = clk_h.rate; + clk_m2p9.rate = clk_h.rate; + clk_m2m0.rate = clk_h.rate; + clk_m2m1.rate = clk_h.rate; +} + static int __init ep93xx_clock_init(void) { u32 value; @@ -124,6 +202,7 @@ static int __init ep93xx_clock_init(void) clk_f.rate = clk_pll1.rate / fclk_divisors[(value >> 25) & 0x7]; clk_h.rate = clk_pll1.rate / hclk_divisors[(value >> 20) & 0x7]; clk_p.rate = clk_h.rate / pclk_divisors[(value >> 18) & 0x3]; + ep93xx_dma_clock_init(); value = __raw_readl(EP93XX_SYSCON_CLOCK_SET2); if (!(value & 0x00080000)) { /* PLL2 bypassed? */ |