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authorMagnus Damm <damm@igel.co.jp>2009-05-28 09:01:53 -0400
committerPaul Mundt <lethal@linux-sh.org>2009-06-01 05:06:36 -0400
commite89d53e60593ee7066e1d36ab5c1ccf2648f5f53 (patch)
tree8635daedf7a7e4f66a978586c058122189335258 /arch/sh
parent6881e8bf3d86b23dd124134fae113ebd05fae08a (diff)
sh: hook up shared mstp32 clock code to sh7785
Hook up the shared 32-bit module stop bit code to sh7785. Signed-off-by: Magnus Damm <damm@igel.co.jp> Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'arch/sh')
-rw-r--r--arch/sh/kernel/cpu/sh4a/clock-sh7785.c80
1 files changed, 25 insertions, 55 deletions
diff --git a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
index 705b023f8220..7d557068f4a3 100644
--- a/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
+++ b/arch/sh/kernel/cpu/sh4a/clock-sh7785.c
@@ -193,65 +193,34 @@ static struct clk *clks[] = {
193 &umem_clk, 193 &umem_clk,
194}; 194};
195 195
196static int mstpcr_clk_enable(struct clk *clk)
197{
198 __raw_writel(__raw_readl(clk->enable_reg) & ~(1 << clk->enable_bit),
199 clk->enable_reg);
200 return 0;
201}
202
203static void mstpcr_clk_disable(struct clk *clk)
204{
205 __raw_writel(__raw_readl(clk->enable_reg) | (1 << clk->enable_bit),
206 clk->enable_reg);
207}
208
209static struct clk_ops mstpcr_clk_ops = {
210 .enable = mstpcr_clk_enable,
211 .disable = mstpcr_clk_disable,
212 .recalc = followparent_recalc,
213};
214
215#define MSTPCR0 0xffc80030 196#define MSTPCR0 0xffc80030
216#define MSTPCR1 0xffc80034 197#define MSTPCR1 0xffc80034
217 198
218#define CLK(_name, _id, _parent, _enable_reg, \ 199static struct clk mstp_clks[] = {
219 _enable_bit, _flags) \
220{ \
221 .name = _name, \
222 .id = _id, \
223 .parent = _parent, \
224 .enable_reg = (void __iomem *)_enable_reg, \
225 .enable_bit = _enable_bit, \
226 .flags = _flags, \
227 .ops = &mstpcr_clk_ops, \
228}
229
230static struct clk mstpcr_clks[] = {
231 /* MSTPCR0 */ 200 /* MSTPCR0 */
232 CLK("scif_fck", 5, &peripheral_clk, MSTPCR0, 29, 0), 201 SH_CLK_MSTP32("scif_fck", 5, &peripheral_clk, MSTPCR0, 29, 0),
233 CLK("scif_fck", 4, &peripheral_clk, MSTPCR0, 28, 0), 202 SH_CLK_MSTP32("scif_fck", 4, &peripheral_clk, MSTPCR0, 28, 0),
234 CLK("scif_fck", 3, &peripheral_clk, MSTPCR0, 27, 0), 203 SH_CLK_MSTP32("scif_fck", 3, &peripheral_clk, MSTPCR0, 27, 0),
235 CLK("scif_fck", 2, &peripheral_clk, MSTPCR0, 26, 0), 204 SH_CLK_MSTP32("scif_fck", 2, &peripheral_clk, MSTPCR0, 26, 0),
236 CLK("scif_fck", 1, &peripheral_clk, MSTPCR0, 25, 0), 205 SH_CLK_MSTP32("scif_fck", 1, &peripheral_clk, MSTPCR0, 25, 0),
237 CLK("scif_fck", 0, &peripheral_clk, MSTPCR0, 24, 0), 206 SH_CLK_MSTP32("scif_fck", 0, &peripheral_clk, MSTPCR0, 24, 0),
238 CLK("ssi_fck", 1, &peripheral_clk, MSTPCR0, 21, 0), 207 SH_CLK_MSTP32("ssi_fck", 1, &peripheral_clk, MSTPCR0, 21, 0),
239 CLK("ssi_fck", 0, &peripheral_clk, MSTPCR0, 20, 0), 208 SH_CLK_MSTP32("ssi_fck", 0, &peripheral_clk, MSTPCR0, 20, 0),
240 CLK("hac_fck", 1, &peripheral_clk, MSTPCR0, 17, 0), 209 SH_CLK_MSTP32("hac_fck", 1, &peripheral_clk, MSTPCR0, 17, 0),
241 CLK("hac_fck", 0, &peripheral_clk, MSTPCR0, 16, 0), 210 SH_CLK_MSTP32("hac_fck", 0, &peripheral_clk, MSTPCR0, 16, 0),
242 CLK("mmcif_fck", -1, &peripheral_clk, MSTPCR0, 13, 0), 211 SH_CLK_MSTP32("mmcif_fck", -1, &peripheral_clk, MSTPCR0, 13, 0),
243 CLK("flctl_fck", -1, &peripheral_clk, MSTPCR0, 12, 0), 212 SH_CLK_MSTP32("flctl_fck", -1, &peripheral_clk, MSTPCR0, 12, 0),
244 CLK("tmu345_fck", -1, &peripheral_clk, MSTPCR0, 9, 0), 213 SH_CLK_MSTP32("tmu345_fck", -1, &peripheral_clk, MSTPCR0, 9, 0),
245 CLK("tmu012_fck", -1, &peripheral_clk, MSTPCR0, 8, 0), 214 SH_CLK_MSTP32("tmu012_fck", -1, &peripheral_clk, MSTPCR0, 8, 0),
246 CLK("siof_fck", -1, &peripheral_clk, MSTPCR0, 3, 0), 215 SH_CLK_MSTP32("siof_fck", -1, &peripheral_clk, MSTPCR0, 3, 0),
247 CLK("hspi_fck", -1, &peripheral_clk, MSTPCR0, 2, 0), 216 SH_CLK_MSTP32("hspi_fck", -1, &peripheral_clk, MSTPCR0, 2, 0),
248 217
249 /* MSTPCR1 */ 218 /* MSTPCR1 */
250 CLK("hudi_fck", -1, NULL, MSTPCR1, 19, 0), 219 SH_CLK_MSTP32("hudi_fck", -1, NULL, MSTPCR1, 19, 0),
251 CLK("ubc_fck", -1, NULL, MSTPCR1, 17, 0), 220 SH_CLK_MSTP32("ubc_fck", -1, NULL, MSTPCR1, 17, 0),
252 CLK("dmac_11_6_fck", -1, NULL, MSTPCR1, 5, 0), 221 SH_CLK_MSTP32("dmac_11_6_fck", -1, NULL, MSTPCR1, 5, 0),
253 CLK("dmac_5_0_fck", -1, NULL, MSTPCR1, 4, 0), 222 SH_CLK_MSTP32("dmac_5_0_fck", -1, NULL, MSTPCR1, 4, 0),
254 CLK("gdta_fck", -1, NULL, MSTPCR1, 0, 0), 223 SH_CLK_MSTP32("gdta_fck", -1, NULL, MSTPCR1, 0, 0),
255}; 224};
256 225
257int __init arch_clk_init(void) 226int __init arch_clk_init(void)
@@ -260,8 +229,9 @@ int __init arch_clk_init(void)
260 229
261 for (i = 0; i < ARRAY_SIZE(clks); i++) 230 for (i = 0; i < ARRAY_SIZE(clks); i++)
262 ret |= clk_register(clks[i]); 231 ret |= clk_register(clks[i]);
263 for (i = 0; i < ARRAY_SIZE(mstpcr_clks); i++) 232
264 ret |= clk_register(&mstpcr_clks[i]); 233 if (!ret)
234 ret = sh_clk_mstp32_register(mstp_clks, ARRAY_SIZE(mstp_clks));
265 235
266 return ret; 236 return ret;
267} 237}