Merge tag 'armsoc-fixes-5.15' of git://git.kernel.org/pub/scm/linux/kernel/git/soc/soc
[sfrench/cifs-2.6.git] / drivers / usb / host / ohci-omap.c
index 0b3722770760ca4c2a59ad1a0ef183148e27bcd5..ded9738392e4c6cdabcc9be8e7c794554ba27342 100644 (file)
 #include <mach/usb.h>
 
 
-/* OMAP-1510 OHCI has its own MMU for DMA */
-#define OMAP1510_LB_MEMSIZE    32      /* Should be same as SDRAM size */
-#define OMAP1510_LB_CLOCK_DIV  0xfffec10c
-#define OMAP1510_LB_MMU_CTL    0xfffec208
-#define OMAP1510_LB_MMU_LCK    0xfffec224
-#define OMAP1510_LB_MMU_LD_TLB 0xfffec228
-#define OMAP1510_LB_MMU_CAM_H  0xfffec22c
-#define OMAP1510_LB_MMU_CAM_L  0xfffec230
-#define OMAP1510_LB_MMU_RAM_H  0xfffec234
-#define OMAP1510_LB_MMU_RAM_L  0xfffec238
-
 #define DRIVER_DESC "OHCI OMAP driver"
 
 struct ohci_omap_priv {
@@ -104,61 +93,6 @@ static int omap_ohci_transceiver_power(struct ohci_omap_priv *priv, int on)
        return 0;
 }
 
-#ifdef CONFIG_ARCH_OMAP15XX
-/*
- * OMAP-1510 specific Local Bus clock on/off
- */
-static int omap_1510_local_bus_power(int on)
-{
-       if (on) {
-               omap_writel((1 << 1) | (1 << 0), OMAP1510_LB_MMU_CTL);
-               udelay(200);
-       } else {
-               omap_writel(0, OMAP1510_LB_MMU_CTL);
-       }
-
-       return 0;
-}
-
-/*
- * OMAP-1510 specific Local Bus initialization
- * NOTE: This assumes 32MB memory size in OMAP1510LB_MEMSIZE.
- *       See also arch/mach-omap/memory.h for __virt_to_dma() and
- *       __dma_to_virt() which need to match with the physical
- *       Local Bus address below.
- */
-static int omap_1510_local_bus_init(void)
-{
-       unsigned int tlb;
-       unsigned long lbaddr, physaddr;
-
-       omap_writel((omap_readl(OMAP1510_LB_CLOCK_DIV) & 0xfffffff8) | 0x4,
-              OMAP1510_LB_CLOCK_DIV);
-
-       /* Configure the Local Bus MMU table */
-       for (tlb = 0; tlb < OMAP1510_LB_MEMSIZE; tlb++) {
-               lbaddr = tlb * 0x00100000 + OMAP1510_LB_OFFSET;
-               physaddr = tlb * 0x00100000 + PHYS_OFFSET;
-               omap_writel((lbaddr & 0x0fffffff) >> 22, OMAP1510_LB_MMU_CAM_H);
-               omap_writel(((lbaddr & 0x003ffc00) >> 6) | 0xc,
-                      OMAP1510_LB_MMU_CAM_L);
-               omap_writel(physaddr >> 16, OMAP1510_LB_MMU_RAM_H);
-               omap_writel((physaddr & 0x0000fc00) | 0x300, OMAP1510_LB_MMU_RAM_L);
-               omap_writel(tlb << 4, OMAP1510_LB_MMU_LCK);
-               omap_writel(0x1, OMAP1510_LB_MMU_LD_TLB);
-       }
-
-       /* Enable the walking table */
-       omap_writel(omap_readl(OMAP1510_LB_MMU_CTL) | (1 << 3), OMAP1510_LB_MMU_CTL);
-       udelay(200);
-
-       return 0;
-}
-#else
-#define omap_1510_local_bus_power(x)   {}
-#define omap_1510_local_bus_init()     {}
-#endif
-
 #ifdef CONFIG_USB_OTG
 
 static void start_hnp(struct ohci_hcd *ohci)
@@ -229,10 +163,8 @@ static int ohci_omap_reset(struct usb_hcd *hcd)
 
        omap_ohci_clock_power(priv, 1);
 
-       if (cpu_is_omap15xx()) {
-               omap_1510_local_bus_power(1);
-               omap_1510_local_bus_init();
-       }
+       if (config->lb_reset)
+               config->lb_reset();
 
        ret = ohci_setup(hcd);
        if (ret < 0)