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authorMike Travis <travis@sgi.com>2008-12-31 17:34:16 -0800
committerIngo Molnar <mingo@elte.hu>2009-01-03 18:53:31 +0100
commit7eb19553369c46cc1fa64caf120cbcab1b597f7c (patch)
treeef1a3beae706b9497c845d0a2557ceb4d2754998 /arch/arm/mach-omap1/devices.c
parent6092848a2a23b660150a38bc06f59d75838d70c8 (diff)
parent8c384cdee3e04d6194a2c2b192b624754f990835 (diff)
downloadop-kernel-dev-7eb19553369c46cc1fa64caf120cbcab1b597f7c.zip
op-kernel-dev-7eb19553369c46cc1fa64caf120cbcab1b597f7c.tar.gz
Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/rusty/linux-2.6-cpumask into merge-rr-cpumask
Conflicts: arch/x86/kernel/io_apic.c kernel/rcuclassic.c kernel/sched.c kernel/time/tick-sched.c Signed-off-by: Mike Travis <travis@sgi.com> [ mingo@elte.hu: backmerged typo fix for io_apic.c ] Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'arch/arm/mach-omap1/devices.c')
-rw-r--r--arch/arm/mach-omap1/devices.c90
1 files changed, 90 insertions, 0 deletions
diff --git a/arch/arm/mach-omap1/devices.c b/arch/arm/mach-omap1/devices.c
index e382b43..77382d8 100644
--- a/arch/arm/mach-omap1/devices.c
+++ b/arch/arm/mach-omap1/devices.c
@@ -22,6 +22,7 @@
#include <mach/board.h>
#include <mach/mux.h>
#include <mach/gpio.h>
+#include <mach/mmc.h>
/*-------------------------------------------------------------------------*/
@@ -99,6 +100,95 @@ static inline void omap_init_mbox(void)
static inline void omap_init_mbox(void) { }
#endif
+/*-------------------------------------------------------------------------*/
+
+#if defined(CONFIG_MMC_OMAP) || defined(CONFIG_MMC_OMAP_MODULE)
+
+static inline void omap1_mmc_mux(struct omap_mmc_platform_data *mmc_controller,
+ int controller_nr)
+{
+ if (controller_nr == 0) {
+ omap_cfg_reg(MMC_CMD);
+ omap_cfg_reg(MMC_CLK);
+ omap_cfg_reg(MMC_DAT0);
+ if (cpu_is_omap1710()) {
+ omap_cfg_reg(M15_1710_MMC_CLKI);
+ omap_cfg_reg(P19_1710_MMC_CMDDIR);
+ omap_cfg_reg(P20_1710_MMC_DATDIR0);
+ }
+ if (mmc_controller->slots[0].wires == 4) {
+ omap_cfg_reg(MMC_DAT1);
+ /* NOTE: DAT2 can be on W10 (here) or M15 */
+ if (!mmc_controller->slots[0].nomux)
+ omap_cfg_reg(MMC_DAT2);
+ omap_cfg_reg(MMC_DAT3);
+ }
+ }
+
+ /* Block 2 is on newer chips, and has many pinout options */
+ if (cpu_is_omap16xx() && controller_nr == 1) {
+ if (!mmc_controller->slots[1].nomux) {
+ omap_cfg_reg(Y8_1610_MMC2_CMD);
+ omap_cfg_reg(Y10_1610_MMC2_CLK);
+ omap_cfg_reg(R18_1610_MMC2_CLKIN);
+ omap_cfg_reg(W8_1610_MMC2_DAT0);
+ if (mmc_controller->slots[1].wires == 4) {
+ omap_cfg_reg(V8_1610_MMC2_DAT1);
+ omap_cfg_reg(W15_1610_MMC2_DAT2);
+ omap_cfg_reg(R10_1610_MMC2_DAT3);
+ }
+
+ /* These are needed for the level shifter */
+ omap_cfg_reg(V9_1610_MMC2_CMDDIR);
+ omap_cfg_reg(V5_1610_MMC2_DATDIR0);
+ omap_cfg_reg(W19_1610_MMC2_DATDIR1);
+ }
+
+ /* Feedback clock must be set on OMAP-1710 MMC2 */
+ if (cpu_is_omap1710())
+ omap_writel(omap_readl(MOD_CONF_CTRL_1) | (1 << 24),
+ MOD_CONF_CTRL_1);
+ }
+}
+
+void __init omap1_init_mmc(struct omap_mmc_platform_data **mmc_data,
+ int nr_controllers)
+{
+ int i;
+
+ for (i = 0; i < nr_controllers; i++) {
+ unsigned long base, size;
+ unsigned int irq = 0;
+
+ if (!mmc_data[i])
+ continue;
+
+ omap1_mmc_mux(mmc_data[i], i);
+
+ switch (i) {
+ case 0:
+ base = OMAP1_MMC1_BASE;
+ irq = INT_MMC;
+ break;
+ case 1:
+ if (!cpu_is_omap16xx())
+ return;
+ base = OMAP1_MMC2_BASE;
+ irq = INT_1610_MMC2;
+ break;
+ default:
+ continue;
+ }
+ size = OMAP1_MMC_SIZE;
+
+ omap_mmc_add(i, base, size, irq, mmc_data[i]);
+ };
+}
+
+#endif
+
+/*-------------------------------------------------------------------------*/
+
#if defined(CONFIG_OMAP_STI)
#define OMAP1_STI_BASE 0xfffea000
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