};
static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
- [DIV6_HDMI] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, HDMICKCR, 0,
+ [DIV6_HDMI] = SH_CLK_DIV6_EXT(HDMICKCR, 0,
hdmi_parent, ARRAY_SIZE(hdmi_parent), 6, 2),
- [DIV6_FSIA] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIACKCR, 0,
+ [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0,
fsiackcr_parent, ARRAY_SIZE(fsiackcr_parent), 6, 2),
- [DIV6_FSIB] = SH_CLK_DIV6_EXT(&pllc1_div2_clk, FSIBCKCR, 0,
+ [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0,
fsibckcr_parent, ARRAY_SIZE(fsibckcr_parent), 6, 2),
};
.recalc = div2_recalc,
};
+static unsigned long div7_recalc(struct clk *clk)
+{
+ return clk->parent->rate / 7;
+}
+
+static struct clk_ops div7_clk_ops = {
+ .recalc = div7_recalc,
+};
+
+static unsigned long div13_recalc(struct clk *clk)
+{
+ return clk->parent->rate / 13;
+}
+
+static struct clk_ops div13_clk_ops = {
+ .recalc = div13_recalc,
+};
+
/* Divide extal1 by two */
static struct clk extal1_div2_clk = {
.ops = &div2_clk_ops,
.enable_bit = 3,
};
-/* Divide PLL1 by two */
+/* Divide PLL */
static struct clk pll1_div2_clk = {
.ops = &div2_clk_ops,
.parent = &pll1_clk,
};
+static struct clk pll1_div7_clk = {
+ .ops = &div7_clk_ops,
+ .parent = &pll1_clk,
+};
+
+static struct clk pll1_div13_clk = {
+ .ops = &div13_clk_ops,
+ .parent = &pll1_clk,
+};
+
+/* External input clock */
+struct clk sh73a0_extcki_clk = {
+};
+
+struct clk sh73a0_extalr_clk = {
+};
+
static struct clk *main_clks[] = {
&r_clk,
&sh73a0_extal1_clk,
&pll2_clk,
&pll3_clk,
&pll1_div2_clk,
+ &pll1_div7_clk,
+ &pll1_div13_clk,
+ &sh73a0_extcki_clk,
+ &sh73a0_extalr_clk,
};
static void div4_kick(struct clk *clk)
DIV6_DSIT, DIV6_DSI0P, DIV6_DSI1P,
DIV6_NR };
+static struct clk *vck_parent[8] = {
+ [0] = &pll1_div2_clk,
+ [1] = &pll2_clk,
+ [2] = &sh73a0_extcki_clk,
+ [3] = &sh73a0_extal2_clk,
+ [4] = &main_div2_clk,
+ [5] = &sh73a0_extalr_clk,
+ [6] = &main_clk,
+};
+
+static struct clk *pll_parent[4] = {
+ [0] = &pll1_div2_clk,
+ [1] = &pll2_clk,
+ [2] = &pll1_div13_clk,
+};
+
+static struct clk *hsi_parent[4] = {
+ [0] = &pll1_div2_clk,
+ [1] = &pll2_clk,
+ [2] = &pll1_div7_clk,
+};
+
+static struct clk *pll_extal2_parent[] = {
+ [0] = &pll1_div2_clk,
+ [1] = &pll2_clk,
+ [2] = &sh73a0_extal2_clk,
+ [3] = &sh73a0_extal2_clk,
+};
+
+static struct clk *dsi_parent[8] = {
+ [0] = &pll1_div2_clk,
+ [1] = &pll2_clk,
+ [2] = &main_clk,
+ [3] = &sh73a0_extal2_clk,
+ [4] = &sh73a0_extcki_clk,
+};
+
static struct clk div6_clks[DIV6_NR] = {
- [DIV6_VCK1] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR1, 0),
- [DIV6_VCK2] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR2, 0),
- [DIV6_VCK3] = SH_CLK_DIV6(&pll1_div2_clk, VCLKCR3, 0),
- [DIV6_ZB1] = SH_CLK_DIV6(&pll1_div2_clk, ZBCKCR, CLK_ENABLE_ON_INIT),
- [DIV6_FLCTL] = SH_CLK_DIV6(&pll1_div2_clk, FLCKCR, 0),
- [DIV6_SDHI0] = SH_CLK_DIV6(&pll1_div2_clk, SD0CKCR, 0),
- [DIV6_SDHI1] = SH_CLK_DIV6(&pll1_div2_clk, SD1CKCR, 0),
- [DIV6_SDHI2] = SH_CLK_DIV6(&pll1_div2_clk, SD2CKCR, 0),
- [DIV6_FSIA] = SH_CLK_DIV6(&pll1_div2_clk, FSIACKCR, 0),
- [DIV6_FSIB] = SH_CLK_DIV6(&pll1_div2_clk, FSIBCKCR, 0),
- [DIV6_SUB] = SH_CLK_DIV6(&sh73a0_extal2_clk, SUBCKCR, 0),
- [DIV6_SPUA] = SH_CLK_DIV6(&pll1_div2_clk, SPUACKCR, 0),
- [DIV6_SPUV] = SH_CLK_DIV6(&pll1_div2_clk, SPUVCKCR, 0),
- [DIV6_MSU] = SH_CLK_DIV6(&pll1_div2_clk, MSUCKCR, 0),
- [DIV6_HSI] = SH_CLK_DIV6(&pll1_div2_clk, HSICKCR, 0),
- [DIV6_MFG1] = SH_CLK_DIV6(&pll1_div2_clk, MFCK1CR, 0),
- [DIV6_MFG2] = SH_CLK_DIV6(&pll1_div2_clk, MFCK2CR, 0),
- [DIV6_DSIT] = SH_CLK_DIV6(&pll1_div2_clk, DSITCKCR, 0),
- [DIV6_DSI0P] = SH_CLK_DIV6(&pll1_div2_clk, DSI0PCKCR, 0),
- [DIV6_DSI1P] = SH_CLK_DIV6(&pll1_div2_clk, DSI1PCKCR, 0),
+ [DIV6_VCK1] = SH_CLK_DIV6_EXT(VCLKCR1, 0,
+ vck_parent, ARRAY_SIZE(vck_parent), 12, 3),
+ [DIV6_VCK2] = SH_CLK_DIV6_EXT(VCLKCR2, 0,
+ vck_parent, ARRAY_SIZE(vck_parent), 12, 3),
+ [DIV6_VCK3] = SH_CLK_DIV6_EXT(VCLKCR3, 0,
+ vck_parent, ARRAY_SIZE(vck_parent), 12, 3),
+ [DIV6_ZB1] = SH_CLK_DIV6_EXT(ZBCKCR, CLK_ENABLE_ON_INIT,
+ pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
+ [DIV6_FLCTL] = SH_CLK_DIV6_EXT(FLCKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
+ [DIV6_SDHI0] = SH_CLK_DIV6_EXT(SD0CKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 6, 2),
+ [DIV6_SDHI1] = SH_CLK_DIV6_EXT(SD1CKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 6, 2),
+ [DIV6_SDHI2] = SH_CLK_DIV6_EXT(SD2CKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 6, 2),
+ [DIV6_FSIA] = SH_CLK_DIV6_EXT(FSIACKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 6, 1),
+ [DIV6_FSIB] = SH_CLK_DIV6_EXT(FSIBCKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 6, 1),
+ [DIV6_SUB] = SH_CLK_DIV6_EXT(SUBCKCR, 0,
+ pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2),
+ [DIV6_SPUA] = SH_CLK_DIV6_EXT(SPUACKCR, 0,
+ pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2),
+ [DIV6_SPUV] = SH_CLK_DIV6_EXT(SPUVCKCR, 0,
+ pll_extal2_parent, ARRAY_SIZE(pll_extal2_parent), 6, 2),
+ [DIV6_MSU] = SH_CLK_DIV6_EXT(MSUCKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
+ [DIV6_HSI] = SH_CLK_DIV6_EXT(HSICKCR, 0,
+ hsi_parent, ARRAY_SIZE(hsi_parent), 6, 2),
+ [DIV6_MFG1] = SH_CLK_DIV6_EXT(MFCK1CR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
+ [DIV6_MFG2] = SH_CLK_DIV6_EXT(MFCK2CR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
+ [DIV6_DSIT] = SH_CLK_DIV6_EXT(DSITCKCR, 0,
+ pll_parent, ARRAY_SIZE(pll_parent), 7, 1),
+ [DIV6_DSI0P] = SH_CLK_DIV6_EXT(DSI0PCKCR, 0,
+ dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3),
+ [DIV6_DSI1P] = SH_CLK_DIV6_EXT(DSI1PCKCR, 0,
+ dsi_parent, ARRAY_SIZE(dsi_parent), 12, 3),
};
enum { MSTP001,
ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
if (!ret)
- ret = sh_clk_div6_register(div6_clks, DIV6_NR);
+ ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR);
if (!ret)
ret = sh_clk_mstp32_register(mstp_clks, MSTP_NR);
extern void sh73a0_pinmux_init(void);
extern struct clk sh73a0_extal1_clk;
extern struct clk sh73a0_extal2_clk;
+extern struct clk sh73a0_extcki_clk;
+extern struct clk sh73a0_extalr_clk;
extern unsigned int sh73a0_get_core_count(void);
extern void sh73a0_secondary_init(unsigned int cpu);
extern struct clk sh7724_fsimcka_clk;
extern struct clk sh7724_fsimckb_clk;
+extern struct clk sh7724_dv_clki;
#endif /* __ASM_SH7724_H__ */
CLKDEV_CON_ID("sh0", &mstp_clks[HWBLK_SHYWAY]),
CLKDEV_CON_ID("hudi0", &mstp_clks[HWBLK_HUDI]),
CLKDEV_CON_ID("ubc0", &mstp_clks[HWBLK_UBC]),
- {
- /* TMU0 */
- .dev_id = "sh_tmu.0",
- .con_id = "tmu_fck",
- .clk = &mstp_clks[HWBLK_TMU0],
- }, {
- /* TMU1 */
- .dev_id = "sh_tmu.1",
- .con_id = "tmu_fck",
- .clk = &mstp_clks[HWBLK_TMU0],
- }, {
- /* TMU2 */
- .dev_id = "sh_tmu.2",
- .con_id = "tmu_fck",
- .clk = &mstp_clks[HWBLK_TMU0],
- },
CLKDEV_CON_ID("cmt_fck", &mstp_clks[HWBLK_CMT]),
CLKDEV_CON_ID("rwdt0", &mstp_clks[HWBLK_RWDT]),
CLKDEV_CON_ID("dmac1", &mstp_clks[HWBLK_DMAC1]),
- {
- /* TMU3 */
- .dev_id = "sh_tmu.3",
- .con_id = "tmu_fck",
- .clk = &mstp_clks[HWBLK_TMU1],
- }, {
- /* TMU4 */
- .dev_id = "sh_tmu.4",
- .con_id = "tmu_fck",
- .clk = &mstp_clks[HWBLK_TMU1],
- }, {
- /* TMU5 */
- .dev_id = "sh_tmu.5",
- .con_id = "tmu_fck",
- .clk = &mstp_clks[HWBLK_TMU1],
- },
CLKDEV_CON_ID("flctl0", &mstp_clks[HWBLK_FLCTL]),
- {
- /* SCIF0 */
- .dev_id = "sh-sci.0",
- .con_id = "sci_fck",
- .clk = &mstp_clks[HWBLK_SCIF0],
- }, {
- /* SCIF1 */
- .dev_id = "sh-sci.1",
- .con_id = "sci_fck",
- .clk = &mstp_clks[HWBLK_SCIF1],
- }, {
- /* SCIF2 */
- .dev_id = "sh-sci.2",
- .con_id = "sci_fck",
- .clk = &mstp_clks[HWBLK_SCIF2],
- }, {
- /* SCIF3 */
- .dev_id = "sh-sci.3",
- .con_id = "sci_fck",
- .clk = &mstp_clks[HWBLK_SCIF3],
- }, {
- /* SCIF4 */
- .dev_id = "sh-sci.4",
- .con_id = "sci_fck",
- .clk = &mstp_clks[HWBLK_SCIF4],
- }, {
- /* SCIF5 */
- .dev_id = "sh-sci.5",
- .con_id = "sci_fck",
- .clk = &mstp_clks[HWBLK_SCIF5],
- },
CLKDEV_CON_ID("msiof0", &mstp_clks[HWBLK_MSIOF0]),
CLKDEV_CON_ID("msiof1", &mstp_clks[HWBLK_MSIOF1]),
CLKDEV_CON_ID("meram0", &mstp_clks[HWBLK_MERAM]),
CLKDEV_CON_ID("veu0", &mstp_clks[HWBLK_VEU2H0]),
CLKDEV_CON_ID("vpu0", &mstp_clks[HWBLK_VPU]),
CLKDEV_CON_ID("lcdc0", &mstp_clks[HWBLK_LCDC]),
+
+ CLKDEV_ICK_ID("tmu_fck", "sh_tmu.0", &mstp_clks[HWBLK_TMU0]),
+ CLKDEV_ICK_ID("tmu_fck", "sh_tmu.1", &mstp_clks[HWBLK_TMU0]),
+ CLKDEV_ICK_ID("tmu_fck", "sh_tmu.2", &mstp_clks[HWBLK_TMU0]),
+ CLKDEV_ICK_ID("tmu_fck", "sh_tmu.3", &mstp_clks[HWBLK_TMU1]),
+ CLKDEV_ICK_ID("tmu_fck", "sh_tmu.4", &mstp_clks[HWBLK_TMU1]),
+ CLKDEV_ICK_ID("tmu_fck", "sh_tmu.5", &mstp_clks[HWBLK_TMU1]),
+ CLKDEV_ICK_ID("sci_fck", "sh-sci.0", &mstp_clks[HWBLK_SCIF0]),
+ CLKDEV_ICK_ID("sci_fck", "sh-sci.1", &mstp_clks[HWBLK_SCIF1]),
+ CLKDEV_ICK_ID("sci_fck", "sh-sci.2", &mstp_clks[HWBLK_SCIF2]),
+ CLKDEV_ICK_ID("sci_fck", "sh-sci.3", &mstp_clks[HWBLK_SCIF3]),
+ CLKDEV_ICK_ID("sci_fck", "sh-sci.4", &mstp_clks[HWBLK_SCIF4]),
+ CLKDEV_ICK_ID("sci_fck", "sh-sci.5", &mstp_clks[HWBLK_SCIF5]),
};
int __init arch_clk_init(void)
.parent = &pll_clk,
};
-/* External input clock (pin name: FSIMCKA/FSIMCKB ) */
+/* External input clock (pin name: FSIMCKA/FSIMCKB/DV_CLKI ) */
struct clk sh7724_fsimcka_clk = {
};
struct clk sh7724_fsimckb_clk = {
};
+struct clk sh7724_dv_clki = {
+};
+
static struct clk *main_clks[] = {
&r_clk,
&extal_clk,
&div3_clk,
&sh7724_fsimcka_clk,
&sh7724_fsimckb_clk,
+ &sh7724_dv_clki,
};
static void div4_kick(struct clk *clk)
[DIV4_M1] = DIV4(FRQCRB, 4, 0x2f7c, CLK_ENABLE_ON_INIT),
};
-enum { DIV6_V, DIV6_I, DIV6_S, DIV6_NR };
+enum { DIV6_V, DIV6_I, DIV6_S, DIV6_FA, DIV6_FB, DIV6_NR };
-static struct clk div6_clks[DIV6_NR] = {
- [DIV6_V] = SH_CLK_DIV6(&div3_clk, VCLKCR, 0),
- [DIV6_I] = SH_CLK_DIV6(&div3_clk, IRDACLKCR, 0),
- [DIV6_S] = SH_CLK_DIV6(&div3_clk, SPUCLKCR, CLK_ENABLE_ON_INIT),
+/* Indices are important - they are the actual src selecting values */
+static struct clk *common_parent[] = {
+ [0] = &div3_clk,
+ [1] = NULL,
};
-enum { DIV6_FA, DIV6_FB, DIV6_REPARENT_NR };
+static struct clk *vclkcr_parent[8] = {
+ [0] = &div3_clk,
+ [2] = &sh7724_dv_clki,
+ [4] = &extal_clk,
+};
-/* Indices are important - they are the actual src selecting values */
static struct clk *fclkacr_parent[] = {
[0] = &div3_clk,
[1] = NULL,
[3] = NULL,
};
-static struct clk div6_reparent_clks[DIV6_REPARENT_NR] = {
- [DIV6_FA] = SH_CLK_DIV6_EXT(&div3_clk, FCLKACR, 0,
+static struct clk div6_clks[DIV6_NR] = {
+ [DIV6_V] = SH_CLK_DIV6_EXT(VCLKCR, 0,
+ vclkcr_parent, ARRAY_SIZE(vclkcr_parent), 12, 3),
+ [DIV6_I] = SH_CLK_DIV6_EXT(IRDACLKCR, 0,
+ common_parent, ARRAY_SIZE(common_parent), 6, 1),
+ [DIV6_S] = SH_CLK_DIV6_EXT(SPUCLKCR, CLK_ENABLE_ON_INIT,
+ common_parent, ARRAY_SIZE(common_parent), 6, 1),
+ [DIV6_FA] = SH_CLK_DIV6_EXT(FCLKACR, 0,
fclkacr_parent, ARRAY_SIZE(fclkacr_parent), 6, 2),
- [DIV6_FB] = SH_CLK_DIV6_EXT(&div3_clk, FCLKBCR, 0,
+ [DIV6_FB] = SH_CLK_DIV6_EXT(FCLKBCR, 0,
fclkbcr_parent, ARRAY_SIZE(fclkbcr_parent), 6, 2),
};
/* DIV6 clocks */
CLKDEV_CON_ID("video_clk", &div6_clks[DIV6_V]),
- CLKDEV_CON_ID("fsia_clk", &div6_reparent_clks[DIV6_FA]),
- CLKDEV_CON_ID("fsib_clk", &div6_reparent_clks[DIV6_FB]),
+ CLKDEV_CON_ID("fsia_clk", &div6_clks[DIV6_FA]),
+ CLKDEV_CON_ID("fsib_clk", &div6_clks[DIV6_FB]),
CLKDEV_CON_ID("irda_clk", &div6_clks[DIV6_I]),
CLKDEV_CON_ID("spu_clk", &div6_clks[DIV6_S]),
ret = sh_clk_div4_register(div4_clks, DIV4_NR, &div4_table);
if (!ret)
- ret = sh_clk_div6_register(div6_clks, DIV6_NR);
-
- if (!ret)
- ret = sh_clk_div6_reparent_register(div6_reparent_clks, DIV6_REPARENT_NR);
+ ret = sh_clk_div6_reparent_register(div6_clks, DIV6_NR);
if (!ret)
ret = sh_hwblk_clk_register(mstp_clks, HWBLK_NR);
*/
if (!clk->parent) {
clk->mapping = &dummy_mapping;
- return 0;
+ goto out;
}
/*
}
clk->mapping = mapping;
+out:
+ clk->mapped_reg = clk->mapping->base;
+ clk->mapped_reg += (phys_addr_t)clk->enable_reg - clk->mapping->phys;
return 0;
}
/* Nothing to do */
if (mapping == &dummy_mapping)
- return;
+ goto out;
kref_put(&mapping->ref, clk_destroy_mapping);
clk->mapping = NULL;
+out:
+ clk->mapped_reg = NULL;
}
int clk_register(struct clk *clk)
static int sh_clk_mstp32_enable(struct clk *clk)
{
- __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_bit),
- clk->enable_reg);
+ iowrite32(ioread32(clk->mapped_reg) & ~(1 << clk->enable_bit),
+ clk->mapped_reg);
return 0;
}
static void sh_clk_mstp32_disable(struct clk *clk)
{
- __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_bit),
- clk->enable_reg);
+ iowrite32(ioread32(clk->mapped_reg) | (1 << clk->enable_bit),
+ clk->mapped_reg);
}
static struct clk_ops sh_clk_mstp32_clk_ops = {
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
table, NULL);
- idx = __raw_readl(clk->enable_reg) & 0x003f;
+ idx = ioread32(clk->mapped_reg) & 0x003f;
return clk->freq_table[idx].frequency;
}
if (ret < 0)
return ret;
- value = __raw_readl(clk->enable_reg) &
+ value = ioread32(clk->mapped_reg) &
~(((1 << clk->src_width) - 1) << clk->src_shift);
- __raw_writel(value | (i << clk->src_shift), clk->enable_reg);
+ iowrite32(value | (i << clk->src_shift), clk->mapped_reg);
/* Rebuild the frequency table */
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
if (idx < 0)
return idx;
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value &= ~0x3f;
value |= idx;
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
return 0;
}
ret = sh_clk_div6_set_rate(clk, clk->rate);
if (ret == 0) {
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value &= ~0x100; /* clear stop bit to enable clock */
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
}
return ret;
}
{
unsigned long value;
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value |= 0x100; /* stop clock */
value |= 0x3f; /* VDIV bits must be non-zero, overwrite divider */
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
}
static struct clk_ops sh_clk_div6_clk_ops = {
.set_parent = sh_clk_div6_set_parent,
};
+static int __init sh_clk_init_parent(struct clk *clk)
+{
+ u32 val;
+
+ if (clk->parent)
+ return 0;
+
+ if (!clk->parent_table || !clk->parent_num)
+ return 0;
+
+ if (!clk->src_width) {
+ pr_err("sh_clk_init_parent: cannot select parent clock\n");
+ return -EINVAL;
+ }
+
+ val = (ioread32(clk->mapped_reg) >> clk->src_shift);
+ val &= (1 << clk->src_width) - 1;
+
+ if (val >= clk->parent_num) {
+ pr_err("sh_clk_init_parent: parent table size failed\n");
+ return -EINVAL;
+ }
+
+ clk->parent = clk->parent_table[val];
+ if (!clk->parent) {
+ pr_err("sh_clk_init_parent: unable to set parent");
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
static int __init sh_clk_div6_register_ops(struct clk *clks, int nr,
struct clk_ops *ops)
{
clkp->ops = ops;
clkp->freq_table = freq_table + (k * freq_table_size);
clkp->freq_table[nr_divs].frequency = CPUFREQ_TABLE_END;
+ ret = sh_clk_init_parent(clkp);
+ if (ret < 0)
+ break;
ret = clk_register(clkp);
}
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
table, &clk->arch_flags);
- idx = (__raw_readl(clk->enable_reg) >> clk->enable_bit) & 0x000f;
+ idx = (ioread32(clk->mapped_reg) >> clk->enable_bit) & 0x000f;
return clk->freq_table[idx].frequency;
}
*/
if (parent->flags & CLK_ENABLE_ON_INIT)
- value = __raw_readl(clk->enable_reg) & ~(1 << 7);
+ value = ioread32(clk->mapped_reg) & ~(1 << 7);
else
- value = __raw_readl(clk->enable_reg) | (1 << 7);
+ value = ioread32(clk->mapped_reg) | (1 << 7);
ret = clk_reparent(clk, parent);
if (ret < 0)
return ret;
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
/* Rebiuld the frequency table */
clk_rate_table_build(clk, clk->freq_table, table->nr_divisors,
if (idx < 0)
return idx;
- value = __raw_readl(clk->enable_reg);
+ value = ioread32(clk->mapped_reg);
value &= ~(0xf << clk->enable_bit);
value |= (idx << clk->enable_bit);
- __raw_writel(value, clk->enable_reg);
+ iowrite32(value, clk->mapped_reg);
if (d4t->kick)
d4t->kick(clk);
static int sh_clk_div4_enable(struct clk *clk)
{
- __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << 8), clk->enable_reg);
+ iowrite32(ioread32(clk->mapped_reg) & ~(1 << 8), clk->mapped_reg);
return 0;
}
static void sh_clk_div4_disable(struct clk *clk)
{
- __raw_writel(__raw_readl(clk->enable_reg) | (1 << 8), clk->enable_reg);
+ iowrite32(ioread32(clk->mapped_reg) | (1 << 8), clk->mapped_reg);
}
static struct clk_ops sh_clk_div4_clk_ops = {
#include <linux/irq.h>
#include <linux/bitops.h>
#include <linux/gpio.h>
+#include <linux/slab.h>
+#include <linux/ioport.h>
+
+static void pfc_iounmap(struct pinmux_info *pip)
+{
+ int k;
+
+ for (k = 0; k < pip->num_resources; k++)
+ if (pip->window[k].virt)
+ iounmap(pip->window[k].virt);
+
+ kfree(pip->window);
+ pip->window = NULL;
+}
+
+static int pfc_ioremap(struct pinmux_info *pip)
+{
+ struct resource *res;
+ int k;
+
+ if (!pip->num_resources)
+ return 0;
+
+ pip->window = kzalloc(pip->num_resources * sizeof(*pip->window),
+ GFP_NOWAIT);
+ if (!pip->window)
+ goto err1;
+
+ for (k = 0; k < pip->num_resources; k++) {
+ res = pip->resource + k;
+ WARN_ON(resource_type(res) != IORESOURCE_MEM);
+ pip->window[k].phys = res->start;
+ pip->window[k].size = resource_size(res);
+ pip->window[k].virt = ioremap_nocache(res->start,
+ resource_size(res));
+ if (!pip->window[k].virt)
+ goto err2;
+ }
+
+ return 0;
+
+err2:
+ pfc_iounmap(pip);
+err1:
+ return -1;
+}
+
+static void __iomem *pfc_phys_to_virt(struct pinmux_info *pip,
+ unsigned long address)
+{
+ struct pfc_window *window;
+ int k;
+
+ /* scan through physical windows and convert address */
+ for (k = 0; k < pip->num_resources; k++) {
+ window = pip->window + k;
+
+ if (address < window->phys)
+ continue;
+
+ if (address >= (window->phys + window->size))
+ continue;
+
+ return window->virt + (address - window->phys);
+ }
+
+ /* no windows defined, register must be 1:1 mapped virt:phys */
+ return (void __iomem *)address;
+}
static int enum_in_range(pinmux_enum_t enum_id, struct pinmux_range *r)
{
return 1;
}
-static unsigned long gpio_read_raw_reg(unsigned long reg,
+static unsigned long gpio_read_raw_reg(void __iomem *mapped_reg,
unsigned long reg_width)
{
switch (reg_width) {
case 8:
- return __raw_readb(reg);
+ return ioread8(mapped_reg);
case 16:
- return __raw_readw(reg);
+ return ioread16(mapped_reg);
case 32:
- return __raw_readl(reg);
+ return ioread32(mapped_reg);
}
BUG();
return 0;
}
-static void gpio_write_raw_reg(unsigned long reg,
+static void gpio_write_raw_reg(void __iomem *mapped_reg,
unsigned long reg_width,
unsigned long data)
{
switch (reg_width) {
case 8:
- __raw_writeb(data, reg);
+ iowrite8(data, mapped_reg);
return;
case 16:
- __raw_writew(data, reg);
+ iowrite16(data, mapped_reg);
return;
case 32:
- __raw_writel(data, reg);
+ iowrite32(data, mapped_reg);
return;
}
BUG();
}
+static int gpio_read_bit(struct pinmux_data_reg *dr,
+ unsigned long in_pos)
+{
+ unsigned long pos;
+
+ pos = dr->reg_width - (in_pos + 1);
+
+ pr_debug("read_bit: addr = %lx, pos = %ld, "
+ "r_width = %ld\n", dr->reg, pos, dr->reg_width);
+
+ return (gpio_read_raw_reg(dr->mapped_reg, dr->reg_width) >> pos) & 1;
+}
+
static void gpio_write_bit(struct pinmux_data_reg *dr,
unsigned long in_pos, unsigned long value)
{
else
clear_bit(pos, &dr->reg_shadow);
- gpio_write_raw_reg(dr->reg, dr->reg_width, dr->reg_shadow);
+ gpio_write_raw_reg(dr->mapped_reg, dr->reg_width, dr->reg_shadow);
}
-static int gpio_read_reg(unsigned long reg, unsigned long reg_width,
- unsigned long field_width, unsigned long in_pos)
+static void config_reg_helper(struct pinmux_info *gpioc,
+ struct pinmux_cfg_reg *crp,
+ unsigned long in_pos,
+ void __iomem **mapped_regp,
+ unsigned long *maskp,
+ unsigned long *posp)
{
- unsigned long data, mask, pos;
+ int k;
+
+ *mapped_regp = pfc_phys_to_virt(gpioc, crp->reg);
- data = 0;
- mask = (1 << field_width) - 1;
- pos = reg_width - ((in_pos + 1) * field_width);
+ if (crp->field_width) {
+ *maskp = (1 << crp->field_width) - 1;
+ *posp = crp->reg_width - ((in_pos + 1) * crp->field_width);
+ } else {
+ *maskp = (1 << crp->var_field_width[in_pos]) - 1;
+ *posp = crp->reg_width;
+ for (k = 0; k <= in_pos; k++)
+ *posp -= crp->var_field_width[k];
+ }
+}
- pr_debug("read_reg: addr = %lx, pos = %ld, "
+static int read_config_reg(struct pinmux_info *gpioc,
+ struct pinmux_cfg_reg *crp,
+ unsigned long field)
+{
+ void __iomem *mapped_reg;
+ unsigned long mask, pos;
+
+ config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);
+
+ pr_debug("read_reg: addr = %lx, field = %ld, "
"r_width = %ld, f_width = %ld\n",
- reg, pos, reg_width, field_width);
+ crp->reg, field, crp->reg_width, crp->field_width);
- data = gpio_read_raw_reg(reg, reg_width);
- return (data >> pos) & mask;
+ return (gpio_read_raw_reg(mapped_reg, crp->reg_width) >> pos) & mask;
}
-static void gpio_write_reg(unsigned long reg, unsigned long reg_width,
- unsigned long field_width, unsigned long in_pos,
- unsigned long value)
+static void write_config_reg(struct pinmux_info *gpioc,
+ struct pinmux_cfg_reg *crp,
+ unsigned long field, unsigned long value)
{
- unsigned long mask, pos;
+ void __iomem *mapped_reg;
+ unsigned long mask, pos, data;
- mask = (1 << field_width) - 1;
- pos = reg_width - ((in_pos + 1) * field_width);
+ config_reg_helper(gpioc, crp, field, &mapped_reg, &mask, &pos);
- pr_debug("write_reg addr = %lx, value = %ld, pos = %ld, "
+ pr_debug("write_reg addr = %lx, value = %ld, field = %ld, "
"r_width = %ld, f_width = %ld\n",
- reg, value, pos, reg_width, field_width);
+ crp->reg, value, field, crp->reg_width, crp->field_width);
mask = ~(mask << pos);
value = value << pos;
- switch (reg_width) {
- case 8:
- __raw_writeb((__raw_readb(reg) & mask) | value, reg);
- break;
- case 16:
- __raw_writew((__raw_readw(reg) & mask) | value, reg);
- break;
- case 32:
- __raw_writel((__raw_readl(reg) & mask) | value, reg);
- break;
- }
+ data = gpio_read_raw_reg(mapped_reg, crp->reg_width);
+ data &= mask;
+ data |= value;
+
+ if (gpioc->unlock_reg)
+ gpio_write_raw_reg(pfc_phys_to_virt(gpioc, gpioc->unlock_reg),
+ 32, ~data);
+
+ gpio_write_raw_reg(mapped_reg, crp->reg_width, data);
}
static int setup_data_reg(struct pinmux_info *gpioc, unsigned gpio)
if (!data_reg->reg_width)
break;
+ data_reg->mapped_reg = pfc_phys_to_virt(gpioc, data_reg->reg);
+
for (n = 0; n < data_reg->reg_width; n++) {
if (data_reg->enum_ids[n] == gpiop->enum_id) {
gpiop->flags &= ~PINMUX_FLAG_DREG;
if (!drp->reg_width)
break;
- drp->reg_shadow = gpio_read_raw_reg(drp->reg, drp->reg_width);
+ drp->reg_shadow = gpio_read_raw_reg(drp->mapped_reg,
+ drp->reg_width);
k++;
}
}
}
static int get_config_reg(struct pinmux_info *gpioc, pinmux_enum_t enum_id,
- struct pinmux_cfg_reg **crp, int *indexp,
+ struct pinmux_cfg_reg **crp,
+ int *fieldp, int *valuep,
unsigned long **cntp)
{
struct pinmux_cfg_reg *config_reg;
- unsigned long r_width, f_width;
- int k, n;
+ unsigned long r_width, f_width, curr_width, ncomb;
+ int k, m, n, pos, bit_pos;
k = 0;
while (1) {
if (!r_width)
break;
- for (n = 0; n < (r_width / f_width) * (1 << f_width); n++) {
- if (config_reg->enum_ids[n] == enum_id) {
- *crp = config_reg;
- *indexp = n;
- *cntp = &config_reg->cnt[n / (1 << f_width)];
- return 0;
+
+ pos = 0;
+ m = 0;
+ for (bit_pos = 0; bit_pos < r_width; bit_pos += curr_width) {
+ if (f_width)
+ curr_width = f_width;
+ else
+ curr_width = config_reg->var_field_width[m];
+
+ ncomb = 1 << curr_width;
+ for (n = 0; n < ncomb; n++) {
+ if (config_reg->enum_ids[pos + n] == enum_id) {
+ *crp = config_reg;
+ *fieldp = m;
+ *valuep = n;
+ *cntp = &config_reg->cnt[m];
+ return 0;
+ }
}
+ pos += ncomb;
+ m++;
}
k++;
}
return -1;
}
-static void write_config_reg(struct pinmux_info *gpioc,
- struct pinmux_cfg_reg *crp,
- int index)
-{
- unsigned long ncomb, pos, value;
-
- ncomb = 1 << crp->field_width;
- pos = index / ncomb;
- value = index % ncomb;
-
- gpio_write_reg(crp->reg, crp->reg_width, crp->field_width, pos, value);
-}
-
-static int check_config_reg(struct pinmux_info *gpioc,
- struct pinmux_cfg_reg *crp,
- int index)
-{
- unsigned long ncomb, pos, value;
-
- ncomb = 1 << crp->field_width;
- pos = index / ncomb;
- value = index % ncomb;
-
- if (gpio_read_reg(crp->reg, crp->reg_width,
- crp->field_width, pos) == value)
- return 0;
-
- return -1;
-}
-
enum { GPIO_CFG_DRYRUN, GPIO_CFG_REQ, GPIO_CFG_FREE };
static int pinmux_config_gpio(struct pinmux_info *gpioc, unsigned gpio,
struct pinmux_cfg_reg *cr = NULL;
pinmux_enum_t enum_id;
struct pinmux_range *range;
- int in_range, pos, index;
+ int in_range, pos, field, value;
unsigned long *cntp;
switch (pinmux_type) {
pos = 0;
enum_id = 0;
- index = 0;
+ field = 0;
+ value = 0;
while (1) {
pos = get_gpio_enum_id(gpioc, gpio, pos, &enum_id);
if (pos <= 0)
if (!in_range)
continue;
- if (get_config_reg(gpioc, enum_id, &cr, &index, &cntp) != 0)
+ if (get_config_reg(gpioc, enum_id, &cr,
+ &field, &value, &cntp) != 0)
goto out_err;
switch (cfg_mode) {
case GPIO_CFG_DRYRUN:
- if (!*cntp || !check_config_reg(gpioc, cr, index))
+ if (!*cntp ||
+ (read_config_reg(gpioc, cr, field) != value))
continue;
break;
case GPIO_CFG_REQ:
- write_config_reg(gpioc, cr, index);
+ write_config_reg(gpioc, cr, field, value);
*cntp = *cntp + 1;
break;
if (!gpioc || get_data_reg(gpioc, gpio, &dr, &bit) != 0)
return -EINVAL;
- return gpio_read_reg(dr->reg, dr->reg_width, 1, bit);
+ return gpio_read_bit(dr, bit);
}
static int sh_gpio_get(struct gpio_chip *chip, unsigned offset)
int register_pinmux(struct pinmux_info *pip)
{
struct gpio_chip *chip = &pip->chip;
+ int ret;
pr_info("%s handling gpio %d -> %d\n",
pip->name, pip->first_gpio, pip->last_gpio);
+ ret = pfc_ioremap(pip);
+ if (ret < 0)
+ return ret;
+
setup_data_regs(pip);
chip->request = sh_gpio_request;
chip->base = pip->first_gpio;
chip->ngpio = (pip->last_gpio - pip->first_gpio) + 1;
- return gpiochip_add(chip);
+ ret = gpiochip_add(chip);
+ if (ret < 0)
+ pfc_iounmap(pip);
+
+ return ret;
}
int unregister_pinmux(struct pinmux_info *pip)
{
pr_info("%s deregistering\n", pip->name);
-
+ pfc_iounmap(pip);
return gpiochip_remove(&pip->chip);
}
void __iomem *enable_reg;
unsigned int enable_bit;
+ void __iomem *mapped_reg;
unsigned long arch_flags;
void *priv;
int sh_clk_div4_reparent_register(struct clk *clks, int nr,
struct clk_div4_table *table);
-#define SH_CLK_DIV6_EXT(_parent, _reg, _flags, _parents, \
+#define SH_CLK_DIV6_EXT(_reg, _flags, _parents, \
_num_parents, _src_shift, _src_width) \
{ \
- .parent = _parent, \
.enable_reg = (void __iomem *)_reg, \
.flags = _flags, \
.parent_table = _parents, \
}
#define SH_CLK_DIV6(_parent, _reg, _flags) \
- SH_CLK_DIV6_EXT(_parent, _reg, _flags, NULL, 0, 0, 0)
+{ \
+ .parent = _parent, \
+ .enable_reg = (void __iomem *)_reg, \
+ .flags = _flags, \
+}
int sh_clk_div6_register(struct clk *clks, int nr);
int sh_clk_div6_reparent_register(struct clk *clks, int nr);
unsigned long reg, reg_width, field_width;
unsigned long *cnt;
pinmux_enum_t *enum_ids;
+ unsigned long *var_field_width;
};
#define PINMUX_CFG_REG(name, r, r_width, f_width) \
.reg = r, .reg_width = r_width, .field_width = f_width, \
.cnt = (unsigned long [r_width / f_width]) {}, \
- .enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)]) \
+ .enum_ids = (pinmux_enum_t [(r_width / f_width) * (1 << f_width)])
+
+#define PINMUX_CFG_REG_VAR(name, r, r_width, var_fw0, var_fwn...) \
+ .reg = r, .reg_width = r_width, \
+ .cnt = (unsigned long [r_width]) {}, \
+ .var_field_width = (unsigned long [r_width]) { var_fw0, var_fwn, 0 }, \
+ .enum_ids = (pinmux_enum_t [])
struct pinmux_data_reg {
unsigned long reg, reg_width, reg_shadow;
pinmux_enum_t *enum_ids;
+ void __iomem *mapped_reg;
};
#define PINMUX_DATA_REG(name, r, r_width) \
pinmux_enum_t force;
};
+struct pfc_window {
+ phys_addr_t phys;
+ void __iomem *virt;
+ unsigned long size;
+};
+
struct pinmux_info {
char *name;
pinmux_enum_t reserved_id;
struct pinmux_irq *gpio_irq;
unsigned int gpio_irq_size;
+ struct resource *resource;
+ unsigned int num_resources;
+ struct pfc_window *window;
+
+ unsigned long unlock_reg;
+
struct gpio_chip chip;
};
projects / firefly-linux-kernel-4.4.55.git / commitdiff