Merge branch 'mpi-master' into wip-k-fmlpwip-k-fmlp

Conflicts:
	litmus/sched_cedf.c

1 files changed, 210 insertions, 32 deletions

diff --git a/arch/arm/mach-s5pv210/clock.c b/arch/arm/mach-s5pv210/clock.c
index d562670e1b0b..2d599499cefe 100644
--- a/arch/arm/mach-s5pv210/clock.c
+++ b/arch/arm/mach-s5pv210/clock.c
@@ -31,6 +31,8 @@
 #include <plat/clock-clksrc.h>
 #include <plat/s5pv210.h>
 
+static unsigned long xtal;
+
 static struct clksrc_clk clk_mout_apll = {
         .clk    = {
                 .name           = "mout_apll",
@@ -259,6 +261,36 @@ static struct clksrc_clk clk_sclk_vpll = {
         .reg_src        = { .reg = S5P_CLK_SRC0, .shift = 12, .size = 1 },
 };
 
+static struct clk *clkset_moutdmc0src_list[] = {
+        [0] = &clk_sclk_a2m.clk,
+        [1] = &clk_mout_mpll.clk,
+        [2] = NULL,
+        [3] = NULL,
+};
+
+static struct clksrc_sources clkset_moutdmc0src = {
+        .sources        = clkset_moutdmc0src_list,
+        .nr_sources     = ARRAY_SIZE(clkset_moutdmc0src_list),
+};
+
+static struct clksrc_clk clk_mout_dmc0 = {
+        .clk    = {
+                .name           = "mout_dmc0",
+                .id             = -1,
+        },
+        .sources        = &clkset_moutdmc0src,
+        .reg_src        = { .reg = S5P_CLK_SRC6, .shift = 24, .size = 2 },
+};
+
+static struct clksrc_clk clk_sclk_dmc0 = {
+        .clk    = {
+                .name           = "sclk_dmc0",
+                .id             = -1,
+                .parent         = &clk_mout_dmc0.clk,
+        },
+        .reg_div        = { .reg = S5P_CLK_DIV6, .shift = 28, .size = 4 },
+};
+
 static unsigned long s5pv210_clk_imem_get_rate(struct clk *clk)
 {
         return clk_get_rate(clk->parent) / 2;
@@ -268,8 +300,29 @@ static struct clk_ops clk_hclk_imem_ops = {
         .get_rate       = s5pv210_clk_imem_get_rate,
 };
 
-static struct clk init_clocks_disable[] = {
+static unsigned long s5pv210_clk_fout_apll_get_rate(struct clk *clk)
+{
+        return s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
+}
+
+static struct clk_ops clk_fout_apll_ops = {
+        .get_rate       = s5pv210_clk_fout_apll_get_rate,
+};
+
+static struct clk init_clocks_off[] = {
         {
+                .name           = "pdma",
+                .id             = 0,
+                .parent         = &clk_hclk_psys.clk,
+                .enable         = s5pv210_clk_ip0_ctrl,
+                .ctrlbit        = (1 << 3),
+        }, {
+                .name           = "pdma",
+                .id             = 1,
+                .parent         = &clk_hclk_psys.clk,
+                .enable         = s5pv210_clk_ip0_ctrl,
+                .ctrlbit        = (1 << 4),
+        }, {
                 .name           = "rot",
                 .id             = -1,
                 .parent         = &clk_hclk_dsys.clk,
@@ -414,23 +467,29 @@ static struct clk init_clocks_disable[] = {
                 .enable         = s5pv210_clk_ip3_ctrl,
                 .ctrlbit        = (1<<21),
         }, {
-                .name           = "i2s_v50",
+                .name           = "iis",
                 .id             = 0,
                 .parent         = &clk_p,
                 .enable         = s5pv210_clk_ip3_ctrl,
                 .ctrlbit        = (1<<4),
         }, {
-                .name           = "i2s_v32",
-                .id             = 0,
+                .name           = "iis",
+                .id             = 1,
                 .parent         = &clk_p,
                 .enable         = s5pv210_clk_ip3_ctrl,
                 .ctrlbit        = (1 << 5),
         }, {
-                .name           = "i2s_v32",
-                .id             = 1,
+                .name           = "iis",
+                .id             = 2,
                 .parent         = &clk_p,
                 .enable         = s5pv210_clk_ip3_ctrl,
                 .ctrlbit        = (1 << 6),
+        }, {
+                .name           = "spdif",
+                .id             = -1,
+                .parent         = &clk_p,
+                .enable         = s5pv210_clk_ip3_ctrl,
+                .ctrlbit        = (1 << 0),
         },
 };
 
@@ -466,6 +525,12 @@ static struct clk init_clocks[] = {
                 .parent         = &clk_pclk_psys.clk,
                 .enable         = s5pv210_clk_ip3_ctrl,
                 .ctrlbit        = (1 << 20),
+        }, {
+                .name           = "sromc",
+                .id             = -1,
+                .parent         = &clk_hclk_psys.clk,
+                .enable         = s5pv210_clk_ip1_ctrl,
+                .ctrlbit        = (1 << 26),
         },
 };
 
@@ -660,6 +725,53 @@ static struct clksrc_sources clkset_sclk_spdif = {
         .nr_sources     = ARRAY_SIZE(clkset_sclk_spdif_list),
 };
 
+static int s5pv210_spdif_set_rate(struct clk *clk, unsigned long rate)
+{
+        struct clk *pclk;
+        int ret;
+
+        pclk = clk_get_parent(clk);
+        if (IS_ERR(pclk))
+                return -EINVAL;
+
+        ret = pclk->ops->set_rate(pclk, rate);
+        clk_put(pclk);
+
+        return ret;
+}
+
+static unsigned long s5pv210_spdif_get_rate(struct clk *clk)
+{
+        struct clk *pclk;
+        int rate;
+
+        pclk = clk_get_parent(clk);
+        if (IS_ERR(pclk))
+                return -EINVAL;
+
+        rate = pclk->ops->get_rate(clk);
+        clk_put(pclk);
+
+        return rate;
+}
+
+static struct clk_ops s5pv210_sclk_spdif_ops = {
+        .set_rate       = s5pv210_spdif_set_rate,
+        .get_rate       = s5pv210_spdif_get_rate,
+};
+
+static struct clksrc_clk clk_sclk_spdif = {
+        .clk            = {
+                .name           = "sclk_spdif",
+                .id             = -1,
+                .enable         = s5pv210_clk_mask0_ctrl,
+                .ctrlbit        = (1 << 27),
+                .ops            = &s5pv210_sclk_spdif_ops,
+        },
+        .sources = &clkset_sclk_spdif,
+        .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
+};
+
 static struct clk *clkset_group2_list[] = {
         [0] = &clk_ext_xtal_mux,
         [1] = &clk_xusbxti,
@@ -744,15 +856,6 @@ static struct clksrc_clk clksrcs[] = {
                 .sources = &clkset_sclk_mixer,
                 .reg_src = { .reg = S5P_CLK_SRC1, .shift = 4, .size = 1 },
         }, {
-                .clk            = {
-                        .name           = "sclk_spdif",
-                        .id             = -1,
-                        .enable         = s5pv210_clk_mask0_ctrl,
-                        .ctrlbit        = (1 << 27),
-                },
-                .sources = &clkset_sclk_spdif,
-                .reg_src = { .reg = S5P_CLK_SRC6, .shift = 12, .size = 2 },
-        }, {
                 .clk    = {
                         .name           = "sclk_fimc",
                         .id             = 0,
@@ -953,12 +1056,93 @@ static struct clksrc_clk *sysclks[] = {
         &clk_sclk_dac,
         &clk_sclk_pixel,
         &clk_sclk_hdmi,
+        &clk_mout_dmc0,
+        &clk_sclk_dmc0,
+        &clk_sclk_audio0,
+        &clk_sclk_audio1,
+        &clk_sclk_audio2,
+        &clk_sclk_spdif,
+};
+
+static u32 epll_div[][6] = {
+        {  48000000, 0, 48, 3, 3, 0 },
+        {  96000000, 0, 48, 3, 2, 0 },
+        { 144000000, 1, 72, 3, 2, 0 },
+        { 192000000, 0, 48, 3, 1, 0 },
+        { 288000000, 1, 72, 3, 1, 0 },
+        {  32750000, 1, 65, 3, 4, 35127 },
+        {  32768000, 1, 65, 3, 4, 35127 },
+        {  45158400, 0, 45, 3, 3, 10355 },
+        {  45000000, 0, 45, 3, 3, 10355 },
+        {  45158000, 0, 45, 3, 3, 10355 },
+        {  49125000, 0, 49, 3, 3, 9961 },
+        {  49152000, 0, 49, 3, 3, 9961 },
+        {  67737600, 1, 67, 3, 3, 48366 },
+        {  67738000, 1, 67, 3, 3, 48366 },
+        {  73800000, 1, 73, 3, 3, 47710 },
+        {  73728000, 1, 73, 3, 3, 47710 },
+        {  36000000, 1, 32, 3, 4, 0 },
+        {  60000000, 1, 60, 3, 3, 0 },
+        {  72000000, 1, 72, 3, 3, 0 },
+        {  80000000, 1, 80, 3, 3, 0 },
+        {  84000000, 0, 42, 3, 2, 0 },
+        {  50000000, 0, 50, 3, 3, 0 },
+};
+
+static int s5pv210_epll_set_rate(struct clk *clk, unsigned long rate)
+{
+        unsigned int epll_con, epll_con_k;
+        unsigned int i;
+
+        /* Return if nothing changed */
+        if (clk->rate == rate)
+                return 0;
+
+        epll_con = __raw_readl(S5P_EPLL_CON);
+        epll_con_k = __raw_readl(S5P_EPLL_CON1);
+
+        epll_con_k &= ~PLL46XX_KDIV_MASK;
+        epll_con &= ~(1 << 27 |
+                        PLL46XX_MDIV_MASK << PLL46XX_MDIV_SHIFT |
+                        PLL46XX_PDIV_MASK << PLL46XX_PDIV_SHIFT |
+                        PLL46XX_SDIV_MASK << PLL46XX_SDIV_SHIFT);
+
+        for (i = 0; i < ARRAY_SIZE(epll_div); i++) {
+                if (epll_div[i][0] == rate) {
+                        epll_con_k |= epll_div[i][5] << 0;
+                        epll_con |= (epll_div[i][1] << 27 |
+                                        epll_div[i][2] << PLL46XX_MDIV_SHIFT |
+                                        epll_div[i][3] << PLL46XX_PDIV_SHIFT |
+                                        epll_div[i][4] << PLL46XX_SDIV_SHIFT);
+                        break;
+                }
+        }
+
+        if (i == ARRAY_SIZE(epll_div)) {
+                printk(KERN_ERR "%s: Invalid Clock EPLL Frequency\n",
+                                __func__);
+                return -EINVAL;
+        }
+
+        __raw_writel(epll_con, S5P_EPLL_CON);
+        __raw_writel(epll_con_k, S5P_EPLL_CON1);
+
+        printk(KERN_WARNING "EPLL Rate changes from %lu to %lu\n",
+                        clk->rate, rate);
+
+        clk->rate = rate;
+
+        return 0;
+}
+
+static struct clk_ops s5pv210_epll_ops = {
+        .set_rate = s5pv210_epll_set_rate,
+        .get_rate = s5p_epll_get_rate,
 };
 
 void __init_or_cpufreq s5pv210_setup_clocks(void)
 {
         struct clk *xtal_clk;
-        unsigned long xtal;
         unsigned long vpllsrc;
         unsigned long armclk;
         unsigned long hclk_msys;
@@ -974,6 +1158,10 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
         unsigned int ptr;
         u32 clkdiv0, clkdiv1;
 
+        /* Set functions for clk_fout_epll */
+        clk_fout_epll.enable = s5p_epll_enable;
+        clk_fout_epll.ops = &s5pv210_epll_ops;
+
         printk(KERN_DEBUG "%s: registering clocks\n", __func__);
 
         clkdiv0 = __raw_readl(S5P_CLK_DIV0);
@@ -992,11 +1180,12 @@ void __init_or_cpufreq s5pv210_setup_clocks(void)
 
         apll = s5p_get_pll45xx(xtal, __raw_readl(S5P_APLL_CON), pll_4508);
         mpll = s5p_get_pll45xx(xtal, __raw_readl(S5P_MPLL_CON), pll_4502);
-        epll = s5p_get_pll45xx(xtal, __raw_readl(S5P_EPLL_CON), pll_4500);
+        epll = s5p_get_pll46xx(xtal, __raw_readl(S5P_EPLL_CON),
+                                __raw_readl(S5P_EPLL_CON1), pll_4600);
         vpllsrc = clk_get_rate(&clk_vpllsrc.clk);
         vpll = s5p_get_pll45xx(vpllsrc, __raw_readl(S5P_VPLL_CON), pll_4502);
 
-        clk_fout_apll.rate = apll;
+        clk_fout_apll.ops = &clk_fout_apll_ops;
         clk_fout_mpll.rate = mpll;
         clk_fout_epll.rate = epll;
         clk_fout_vpll.rate = vpll;
@@ -1037,13 +1226,9 @@ static struct clk *clks[] __initdata = {
 
 void __init s5pv210_register_clocks(void)
 {
-        struct clk *clkp;
-        int ret;
         int ptr;
 
-        ret = s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
-        if (ret > 0)
-                printk(KERN_ERR "Failed to register %u clocks\n", ret);
+        s3c24xx_register_clocks(clks, ARRAY_SIZE(clks));
 
         for (ptr = 0; ptr < ARRAY_SIZE(sysclks); ptr++)
                 s3c_register_clksrc(sysclks[ptr], 1);
@@ -1051,15 +1236,8 @@ void __init s5pv210_register_clocks(void)
         s3c_register_clksrc(clksrcs, ARRAY_SIZE(clksrcs));
         s3c_register_clocks(init_clocks, ARRAY_SIZE(init_clocks));
 
-        clkp = init_clocks_disable;
-        for (ptr = 0; ptr < ARRAY_SIZE(init_clocks_disable); ptr++, clkp++) {
-                ret = s3c24xx_register_clock(clkp);
-                if (ret < 0) {
-                        printk(KERN_ERR "Failed to register clock %s (%d)\n",
-                               clkp->name, ret);
-                }
-                (clkp->enable)(clkp, 0);
-        }
+        s3c_register_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
+        s3c_disable_clocks(init_clocks_off, ARRAY_SIZE(init_clocks_off));
 
         s3c_pwmclk_init();
 }