diff options
author | Jiri Kosina <jkosina@suse.cz> | 2010-12-22 12:57:02 -0500 |
---|---|---|
committer | Jiri Kosina <jkosina@suse.cz> | 2010-12-22 12:57:02 -0500 |
commit | 4b7bd364700d9ac8372eff48832062b936d0793b (patch) | |
tree | 0dbf78c95456a0b02d07fcd473281f04a87e266d /arch/arm/mach-shmobile/board-ap4evb.c | |
parent | c0d8768af260e2cbb4bf659ae6094a262c86b085 (diff) | |
parent | 90a8a73c06cc32b609a880d48449d7083327e11a (diff) |
Merge branch 'master' into for-next
Conflicts:
MAINTAINERS
arch/arm/mach-omap2/pm24xx.c
drivers/scsi/bfa/bfa_fcpim.c
Needed to update to apply fixes for which the old branch was too
outdated.
Diffstat (limited to 'arch/arm/mach-shmobile/board-ap4evb.c')
-rw-r--r-- | arch/arm/mach-shmobile/board-ap4evb.c | 167 |
1 files changed, 146 insertions, 21 deletions
diff --git a/arch/arm/mach-shmobile/board-ap4evb.c b/arch/arm/mach-shmobile/board-ap4evb.c index 46ca4d4abf91..d440e5f456ad 100644 --- a/arch/arm/mach-shmobile/board-ap4evb.c +++ b/arch/arm/mach-shmobile/board-ap4evb.c | |||
@@ -163,11 +163,13 @@ static struct mtd_partition nor_flash_partitions[] = { | |||
163 | .name = "loader", | 163 | .name = "loader", |
164 | .offset = 0x00000000, | 164 | .offset = 0x00000000, |
165 | .size = 512 * 1024, | 165 | .size = 512 * 1024, |
166 | .mask_flags = MTD_WRITEABLE, | ||
166 | }, | 167 | }, |
167 | { | 168 | { |
168 | .name = "bootenv", | 169 | .name = "bootenv", |
169 | .offset = MTDPART_OFS_APPEND, | 170 | .offset = MTDPART_OFS_APPEND, |
170 | .size = 512 * 1024, | 171 | .size = 512 * 1024, |
172 | .mask_flags = MTD_WRITEABLE, | ||
171 | }, | 173 | }, |
172 | { | 174 | { |
173 | .name = "kernel_ro", | 175 | .name = "kernel_ro", |
@@ -565,12 +567,143 @@ static struct platform_device *qhd_devices[] __initdata = { | |||
565 | 567 | ||
566 | /* FSI */ | 568 | /* FSI */ |
567 | #define IRQ_FSI evt2irq(0x1840) | 569 | #define IRQ_FSI evt2irq(0x1840) |
570 | static int __fsi_set_rate(struct clk *clk, long rate, int enable) | ||
571 | { | ||
572 | int ret = 0; | ||
573 | |||
574 | if (rate <= 0) | ||
575 | return ret; | ||
576 | |||
577 | if (enable) { | ||
578 | ret = clk_set_rate(clk, rate); | ||
579 | if (0 == ret) | ||
580 | ret = clk_enable(clk); | ||
581 | } else { | ||
582 | clk_disable(clk); | ||
583 | } | ||
584 | |||
585 | return ret; | ||
586 | } | ||
587 | |||
588 | static int __fsi_set_round_rate(struct clk *clk, long rate, int enable) | ||
589 | { | ||
590 | return __fsi_set_rate(clk, clk_round_rate(clk, rate), enable); | ||
591 | } | ||
592 | |||
593 | static int fsi_ak4642_set_rate(struct device *dev, int rate, int enable) | ||
594 | { | ||
595 | struct clk *fsia_ick; | ||
596 | struct clk *fsiack; | ||
597 | int ret = -EIO; | ||
598 | |||
599 | fsia_ick = clk_get(dev, "icka"); | ||
600 | if (IS_ERR(fsia_ick)) | ||
601 | return PTR_ERR(fsia_ick); | ||
602 | |||
603 | /* | ||
604 | * FSIACK is connected to AK4642, | ||
605 | * and use external clock pin from it. | ||
606 | * it is parent of fsia_ick now. | ||
607 | */ | ||
608 | fsiack = clk_get_parent(fsia_ick); | ||
609 | if (!fsiack) | ||
610 | goto fsia_ick_out; | ||
611 | |||
612 | /* | ||
613 | * we get 1/1 divided clock by setting same rate to fsiack and fsia_ick | ||
614 | * | ||
615 | ** FIXME ** | ||
616 | * Because the freq_table of external clk (fsiack) are all 0, | ||
617 | * the return value of clk_round_rate became 0. | ||
618 | * So, it use __fsi_set_rate here. | ||
619 | */ | ||
620 | ret = __fsi_set_rate(fsiack, rate, enable); | ||
621 | if (ret < 0) | ||
622 | goto fsiack_out; | ||
623 | |||
624 | ret = __fsi_set_round_rate(fsia_ick, rate, enable); | ||
625 | if ((ret < 0) && enable) | ||
626 | __fsi_set_round_rate(fsiack, rate, 0); /* disable FSI ACK */ | ||
627 | |||
628 | fsiack_out: | ||
629 | clk_put(fsiack); | ||
630 | |||
631 | fsia_ick_out: | ||
632 | clk_put(fsia_ick); | ||
633 | |||
634 | return 0; | ||
635 | } | ||
636 | |||
637 | static int fsi_hdmi_set_rate(struct device *dev, int rate, int enable) | ||
638 | { | ||
639 | struct clk *fsib_clk; | ||
640 | struct clk *fdiv_clk = &sh7372_fsidivb_clk; | ||
641 | long fsib_rate = 0; | ||
642 | long fdiv_rate = 0; | ||
643 | int ackmd_bpfmd; | ||
644 | int ret; | ||
645 | |||
646 | switch (rate) { | ||
647 | case 44100: | ||
648 | fsib_rate = rate * 256; | ||
649 | ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64; | ||
650 | break; | ||
651 | case 48000: | ||
652 | fsib_rate = 85428000; /* around 48kHz x 256 x 7 */ | ||
653 | fdiv_rate = rate * 256; | ||
654 | ackmd_bpfmd = SH_FSI_ACKMD_256 | SH_FSI_BPFMD_64; | ||
655 | break; | ||
656 | default: | ||
657 | pr_err("unsupported rate in FSI2 port B\n"); | ||
658 | return -EINVAL; | ||
659 | } | ||
660 | |||
661 | /* FSI B setting */ | ||
662 | fsib_clk = clk_get(dev, "ickb"); | ||
663 | if (IS_ERR(fsib_clk)) | ||
664 | return -EIO; | ||
665 | |||
666 | ret = __fsi_set_round_rate(fsib_clk, fsib_rate, enable); | ||
667 | clk_put(fsib_clk); | ||
668 | if (ret < 0) | ||
669 | return ret; | ||
670 | |||
671 | /* FSI DIV setting */ | ||
672 | ret = __fsi_set_round_rate(fdiv_clk, fdiv_rate, enable); | ||
673 | if (ret < 0) { | ||
674 | /* disable FSI B */ | ||
675 | if (enable) | ||
676 | __fsi_set_round_rate(fsib_clk, fsib_rate, 0); | ||
677 | return ret; | ||
678 | } | ||
679 | |||
680 | return ackmd_bpfmd; | ||
681 | } | ||
682 | |||
683 | static int fsi_set_rate(struct device *dev, int is_porta, int rate, int enable) | ||
684 | { | ||
685 | int ret; | ||
686 | |||
687 | if (is_porta) | ||
688 | ret = fsi_ak4642_set_rate(dev, rate, enable); | ||
689 | else | ||
690 | ret = fsi_hdmi_set_rate(dev, rate, enable); | ||
691 | |||
692 | return ret; | ||
693 | } | ||
694 | |||
568 | static struct sh_fsi_platform_info fsi_info = { | 695 | static struct sh_fsi_platform_info fsi_info = { |
569 | .porta_flags = SH_FSI_BRS_INV | | 696 | .porta_flags = SH_FSI_BRS_INV | |
570 | SH_FSI_OUT_SLAVE_MODE | | 697 | SH_FSI_OUT_SLAVE_MODE | |
571 | SH_FSI_IN_SLAVE_MODE | | 698 | SH_FSI_IN_SLAVE_MODE | |
572 | SH_FSI_OFMT(PCM) | | 699 | SH_FSI_OFMT(PCM) | |
573 | SH_FSI_IFMT(PCM), | 700 | SH_FSI_IFMT(PCM), |
701 | |||
702 | .portb_flags = SH_FSI_BRS_INV | | ||
703 | SH_FSI_BRM_INV | | ||
704 | SH_FSI_LRS_INV | | ||
705 | SH_FSI_OFMT(SPDIF), | ||
706 | .set_rate = fsi_set_rate, | ||
574 | }; | 707 | }; |
575 | 708 | ||
576 | static struct resource fsi_resources[] = { | 709 | static struct resource fsi_resources[] = { |
@@ -634,6 +767,7 @@ static struct platform_device lcdc1_device = { | |||
634 | static struct sh_mobile_hdmi_info hdmi_info = { | 767 | static struct sh_mobile_hdmi_info hdmi_info = { |
635 | .lcd_chan = &sh_mobile_lcdc1_info.ch[0], | 768 | .lcd_chan = &sh_mobile_lcdc1_info.ch[0], |
636 | .lcd_dev = &lcdc1_device.dev, | 769 | .lcd_dev = &lcdc1_device.dev, |
770 | .flags = HDMI_SND_SRC_SPDIF, | ||
637 | }; | 771 | }; |
638 | 772 | ||
639 | static struct resource hdmi_resources[] = { | 773 | static struct resource hdmi_resources[] = { |
@@ -835,6 +969,11 @@ static int __init hdmi_init_pm_clock(void) | |||
835 | goto out; | 969 | goto out; |
836 | } | 970 | } |
837 | 971 | ||
972 | ret = clk_enable(&sh7372_pllc2_clk); | ||
973 | if (ret < 0) { | ||
974 | pr_err("Cannot enable pllc2 clock\n"); | ||
975 | goto out; | ||
976 | } | ||
838 | pr_debug("PLLC2 set frequency %lu\n", rate); | 977 | pr_debug("PLLC2 set frequency %lu\n", rate); |
839 | 978 | ||
840 | ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); | 979 | ret = clk_set_parent(hdmi_ick, &sh7372_pllc2_clk); |
@@ -851,23 +990,11 @@ out: | |||
851 | 990 | ||
852 | device_initcall(hdmi_init_pm_clock); | 991 | device_initcall(hdmi_init_pm_clock); |
853 | 992 | ||
854 | #define FSIACK_DUMMY_RATE 48000 | ||
855 | static int __init fsi_init_pm_clock(void) | 993 | static int __init fsi_init_pm_clock(void) |
856 | { | 994 | { |
857 | struct clk *fsia_ick; | 995 | struct clk *fsia_ick; |
858 | int ret; | 996 | int ret; |
859 | 997 | ||
860 | /* | ||
861 | * FSIACK is connected to AK4642, | ||
862 | * and the rate is depend on playing sound rate. | ||
863 | * So, set dummy rate (= 48k) here | ||
864 | */ | ||
865 | ret = clk_set_rate(&sh7372_fsiack_clk, FSIACK_DUMMY_RATE); | ||
866 | if (ret < 0) { | ||
867 | pr_err("Cannot set FSIACK dummy rate: %d\n", ret); | ||
868 | return ret; | ||
869 | } | ||
870 | |||
871 | fsia_ick = clk_get(&fsi_device.dev, "icka"); | 998 | fsia_ick = clk_get(&fsi_device.dev, "icka"); |
872 | if (IS_ERR(fsia_ick)) { | 999 | if (IS_ERR(fsia_ick)) { |
873 | ret = PTR_ERR(fsia_ick); | 1000 | ret = PTR_ERR(fsia_ick); |
@@ -876,16 +1003,9 @@ static int __init fsi_init_pm_clock(void) | |||
876 | } | 1003 | } |
877 | 1004 | ||
878 | ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk); | 1005 | ret = clk_set_parent(fsia_ick, &sh7372_fsiack_clk); |
879 | if (ret < 0) { | ||
880 | pr_err("Cannot set FSI-A parent: %d\n", ret); | ||
881 | goto out; | ||
882 | } | ||
883 | |||
884 | ret = clk_set_rate(fsia_ick, FSIACK_DUMMY_RATE); | ||
885 | if (ret < 0) | 1006 | if (ret < 0) |
886 | pr_err("Cannot set FSI-A rate: %d\n", ret); | 1007 | pr_err("Cannot set FSI-A parent: %d\n", ret); |
887 | 1008 | ||
888 | out: | ||
889 | clk_put(fsia_ick); | 1009 | clk_put(fsia_ick); |
890 | 1010 | ||
891 | return ret; | 1011 | return ret; |
@@ -992,6 +1112,7 @@ static void __init ap4evb_map_io(void) | |||
992 | 1112 | ||
993 | #define GPIO_PORT9CR 0xE6051009 | 1113 | #define GPIO_PORT9CR 0xE6051009 |
994 | #define GPIO_PORT10CR 0xE605100A | 1114 | #define GPIO_PORT10CR 0xE605100A |
1115 | #define USCCR1 0xE6058144 | ||
995 | static void __init ap4evb_init(void) | 1116 | static void __init ap4evb_init(void) |
996 | { | 1117 | { |
997 | u32 srcr4; | 1118 | u32 srcr4; |
@@ -1062,7 +1183,7 @@ static void __init ap4evb_init(void) | |||
1062 | /* setup USB phy */ | 1183 | /* setup USB phy */ |
1063 | __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ | 1184 | __raw_writew(0x8a0a, 0xE6058130); /* USBCR2 */ |
1064 | 1185 | ||
1065 | /* enable FSI2 */ | 1186 | /* enable FSI2 port A (ak4643) */ |
1066 | gpio_request(GPIO_FN_FSIAIBT, NULL); | 1187 | gpio_request(GPIO_FN_FSIAIBT, NULL); |
1067 | gpio_request(GPIO_FN_FSIAILR, NULL); | 1188 | gpio_request(GPIO_FN_FSIAILR, NULL); |
1068 | gpio_request(GPIO_FN_FSIAISLD, NULL); | 1189 | gpio_request(GPIO_FN_FSIAISLD, NULL); |
@@ -1079,6 +1200,10 @@ static void __init ap4evb_init(void) | |||
1079 | gpio_request(GPIO_PORT41, NULL); | 1200 | gpio_request(GPIO_PORT41, NULL); |
1080 | gpio_direction_input(GPIO_PORT41); | 1201 | gpio_direction_input(GPIO_PORT41); |
1081 | 1202 | ||
1203 | /* setup FSI2 port B (HDMI) */ | ||
1204 | gpio_request(GPIO_FN_FSIBCK, NULL); | ||
1205 | __raw_writew(__raw_readw(USCCR1) & ~(1 << 6), USCCR1); /* use SPDIF */ | ||
1206 | |||
1082 | /* set SPU2 clock to 119.6 MHz */ | 1207 | /* set SPU2 clock to 119.6 MHz */ |
1083 | clk = clk_get(NULL, "spu_clk"); | 1208 | clk = clk_get(NULL, "spu_clk"); |
1084 | if (!IS_ERR(clk)) { | 1209 | if (!IS_ERR(clk)) { |