1 files changed, 255 insertions, 44 deletions

diff --git a/arch/powerpc/sysdev/commproc.c b/arch/powerpc/sysdev/commproc.c
index dd5417aec1b4..f6a63780bbde 100644
--- a/arch/powerpc/sysdev/commproc.c
+++ b/arch/powerpc/sysdev/commproc.c
@@ -39,18 +39,21 @@
 #include <asm/tlbflush.h>
 #include <asm/rheap.h>
 #include <asm/prom.h>
+#include <asm/cpm.h>
 
 #include <asm/fs_pd.h>
 
 #define CPM_MAP_SIZE    (0x4000)
 
+#ifndef CONFIG_PPC_CPM_NEW_BINDING
 static void m8xx_cpm_dpinit(void);
-static  uint    host_buffer;    /* One page of host buffer */
-static  uint    host_end;       /* end + 1 */
-cpm8xx_t        *cpmp;          /* Pointer to comm processor space */
-cpic8xx_t       *cpic_reg;
+#endif
+static uint host_buffer; /* One page of host buffer */
+static uint host_end;    /* end + 1 */
+cpm8xx_t __iomem *cpmp;  /* Pointer to comm processor space */
+immap_t __iomem *mpc8xx_immr;
+static cpic8xx_t __iomem *cpic_reg;
 
-static struct device_node *cpm_pic_node;
 static struct irq_host *cpm_pic_host;
 
 static void cpm_mask_irq(unsigned int irq)
@@ -95,11 +98,6 @@ int cpm_get_irq(void)
         return irq_linear_revmap(cpm_pic_host, cpm_vec);
 }
 
-static int cpm_pic_host_match(struct irq_host *h, struct device_node *node)
-{
-        return cpm_pic_node == node;
-}
-
 static int cpm_pic_host_map(struct irq_host *h, unsigned int virq,
                           irq_hw_number_t hw)
 {
@@ -115,7 +113,7 @@ static int cpm_pic_host_map(struct irq_host *h, unsigned int virq,
  * and return.  This is a no-op function so we don't need any special
  * tests in the interrupt handler.
  */
-static  irqreturn_t cpm_error_interrupt(int irq, void *dev)
+static irqreturn_t cpm_error_interrupt(int irq, void *dev)
 {
         return IRQ_HANDLED;
 }
@@ -127,7 +125,6 @@ static struct irqaction cpm_error_irqaction = {
 };
 
 static struct irq_host_ops cpm_pic_host_ops = {
-        .match = cpm_pic_host_match,
         .map = cpm_pic_host_map,
 };
 
@@ -140,16 +137,19 @@ unsigned int cpm_pic_init(void)
 
         pr_debug("cpm_pic_init\n");
 
-        np = of_find_compatible_node(NULL, "cpm-pic", "CPM");
+        np = of_find_compatible_node(NULL, NULL, "fsl,cpm1-pic");
+        if (np == NULL)
+                np = of_find_compatible_node(NULL, "cpm-pic", "CPM");
         if (np == NULL) {
                 printk(KERN_ERR "CPM PIC init: can not find cpm-pic node\n");
                 return sirq;
         }
+
         ret = of_address_to_resource(np, 0, &res);
         if (ret)
                 goto end;
 
-        cpic_reg = (void *)ioremap(res.start, res.end - res.start + 1);
+        cpic_reg = ioremap(res.start, res.end - res.start + 1);
         if (cpic_reg == NULL)
                 goto end;
 
@@ -165,23 +165,24 @@ unsigned int cpm_pic_init(void)
 
         out_be32(&cpic_reg->cpic_cimr, 0);
 
-        cpm_pic_node = of_node_get(np);
-
-        cpm_pic_host = irq_alloc_host(IRQ_HOST_MAP_LINEAR, 64, &cpm_pic_host_ops, 64);
+        cpm_pic_host = irq_alloc_host(of_node_get(np), IRQ_HOST_MAP_LINEAR,
+                                      64, &cpm_pic_host_ops, 64);
         if (cpm_pic_host == NULL) {
                 printk(KERN_ERR "CPM2 PIC: failed to allocate irq host!\n");
                 sirq = NO_IRQ;
                 goto end;
         }
-        of_node_put(np);
 
         /* Install our own error handler. */
-        np = of_find_node_by_type(NULL, "cpm");
+        np = of_find_compatible_node(NULL, NULL, "fsl,cpm1");
+        if (np == NULL)
+                np = of_find_node_by_type(NULL, "cpm");
         if (np == NULL) {
                 printk(KERN_ERR "CPM PIC init: can not find cpm node\n");
                 goto end;
         }
-        eirq= irq_of_parse_and_map(np, 0);
+
+        eirq = irq_of_parse_and_map(np, 0);
         if (eirq == NO_IRQ)
                 goto end;
 
@@ -195,23 +196,30 @@ end:
         return sirq;
 }
 
-void cpm_reset(void)
+void __init cpm_reset(void)
 {
-        cpm8xx_t        *commproc;
-        sysconf8xx_t    *siu_conf;
+        sysconf8xx_t __iomem *siu_conf;
 
-        commproc = (cpm8xx_t *)ioremap(CPM_MAP_ADDR, CPM_MAP_SIZE);
+        mpc8xx_immr = ioremap(get_immrbase(), 0x4000);
+        if (!mpc8xx_immr) {
+                printk(KERN_CRIT "Could not map IMMR\n");
+                return;
+        }
 
-#ifdef CONFIG_UCODE_PATCH
+        cpmp = &mpc8xx_immr->im_cpm;
+
+#ifndef CONFIG_PPC_EARLY_DEBUG_CPM
         /* Perform a reset.
         */
-        out_be16(&commproc->cp_cpcr,  CPM_CR_RST | CPM_CR_FLG);
+        out_be16(&cpmp->cp_cpcr, CPM_CR_RST | CPM_CR_FLG);
 
         /* Wait for it.
         */
-        while (in_be16(&commproc->cp_cpcr) & CPM_CR_FLG);
+        while (in_be16(&cpmp->cp_cpcr) & CPM_CR_FLG);
+#endif
 
-        cpm_load_patch(commproc);
+#ifdef CONFIG_UCODE_PATCH
+        cpm_load_patch(cpmp);
 #endif
 
         /* Set SDMA Bus Request priority 5.
@@ -220,16 +228,16 @@ void cpm_reset(void)
          * manual recommends it.
          * Bit 25, FAM can also be set to use FEC aggressive mode (860T).
          */
-        siu_conf = (sysconf8xx_t*)immr_map(im_siu_conf);
+        siu_conf = immr_map(im_siu_conf);
         out_be32(&siu_conf->sc_sdcr, 1);
         immr_unmap(siu_conf);
 
+#ifdef CONFIG_PPC_CPM_NEW_BINDING
+        cpm_muram_init();
+#else
         /* Reclaim the DP memory for our use. */
         m8xx_cpm_dpinit();
-
-        /* Tell everyone where the comm processor resides.
-        */
-        cpmp = commproc;
+#endif
 }
 
 /* We used to do this earlier, but have to postpone as long as possible
@@ -279,22 +287,23 @@ m8xx_cpm_hostalloc(uint size)
 void
 cpm_setbrg(uint brg, uint rate)
 {
-        volatile uint   *bp;
+        u32 __iomem *bp;
 
         /* This is good enough to get SMCs running.....
         */
-        bp = (uint *)&cpmp->cp_brgc1;
+        bp = &cpmp->cp_brgc1;
         bp += brg;
         /* The BRG has a 12-bit counter.  For really slow baud rates (or
          * really fast processors), we may have to further divide by 16.
          */
         if (((BRG_UART_CLK / rate) - 1) < 4096)
-                *bp = (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN;
+                out_be32(bp, (((BRG_UART_CLK / rate) - 1) << 1) | CPM_BRG_EN);
         else
-                *bp = (((BRG_UART_CLK_DIV16 / rate) - 1) << 1) |
-                                                CPM_BRG_EN | CPM_BRG_DIV16;
+                out_be32(bp, (((BRG_UART_CLK_DIV16 / rate) - 1) << 1) |
+                             CPM_BRG_EN | CPM_BRG_DIV16);
 }
 
+#ifndef CONFIG_PPC_CPM_NEW_BINDING
 /*
  * dpalloc / dpfree bits.
  */
@@ -307,15 +316,15 @@ static rh_block_t cpm_boot_dpmem_rh_block[16];
 static rh_info_t cpm_dpmem_info;
 
 #define CPM_DPMEM_ALIGNMENT     8
-static u8* dpram_vbase;
-static uint dpram_pbase;
+static u8 __iomem *dpram_vbase;
+static phys_addr_t dpram_pbase;
 
-void m8xx_cpm_dpinit(void)
+static void m8xx_cpm_dpinit(void)
 {
         spin_lock_init(&cpm_dpmem_lock);
 
-        dpram_vbase = immr_map_size(im_cpm.cp_dpmem, CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE);
-        dpram_pbase = (uint)&((immap_t *)IMAP_ADDR)->im_cpm.cp_dpmem;
+        dpram_vbase = cpmp->cp_dpmem;
+        dpram_pbase = get_immrbase() + offsetof(immap_t, im_cpm.cp_dpmem);
 
         /* Initialize the info header */
         rh_init(&cpm_dpmem_info, CPM_DPMEM_ALIGNMENT,
@@ -391,8 +400,210 @@ void *cpm_dpram_addr(unsigned long offset)
 }
 EXPORT_SYMBOL(cpm_dpram_addr);
 
-uint cpm_dpram_phys(u8* addr)
+uint cpm_dpram_phys(u8 *addr)
 {
         return (dpram_pbase + (uint)(addr - dpram_vbase));
 }
 EXPORT_SYMBOL(cpm_dpram_phys);
+#endif /* !CONFIG_PPC_CPM_NEW_BINDING */
+
+struct cpm_ioport16 {
+        __be16 dir, par, sor, dat, intr;
+        __be16 res[3];
+};
+
+struct cpm_ioport32 {
+        __be32 dir, par, sor;
+};
+
+static void cpm1_set_pin32(int port, int pin, int flags)
+{
+        struct cpm_ioport32 __iomem *iop;
+        pin = 1 << (31 - pin);
+
+        if (port == CPM_PORTB)
+                iop = (struct cpm_ioport32 __iomem *)
+                      &mpc8xx_immr->im_cpm.cp_pbdir;
+        else
+                iop = (struct cpm_ioport32 __iomem *)
+                      &mpc8xx_immr->im_cpm.cp_pedir;
+
+        if (flags & CPM_PIN_OUTPUT)
+                setbits32(&iop->dir, pin);
+        else
+                clrbits32(&iop->dir, pin);
+
+        if (!(flags & CPM_PIN_GPIO))
+                setbits32(&iop->par, pin);
+        else
+                clrbits32(&iop->par, pin);
+
+        if (port == CPM_PORTE) {
+                if (flags & CPM_PIN_SECONDARY)
+                        setbits32(&iop->sor, pin);
+                else
+                        clrbits32(&iop->sor, pin);
+
+                if (flags & CPM_PIN_OPENDRAIN)
+                        setbits32(&mpc8xx_immr->im_cpm.cp_peodr, pin);
+                else
+                        clrbits32(&mpc8xx_immr->im_cpm.cp_peodr, pin);
+        }
+}
+
+static void cpm1_set_pin16(int port, int pin, int flags)
+{
+        struct cpm_ioport16 __iomem *iop =
+                (struct cpm_ioport16 __iomem *)&mpc8xx_immr->im_ioport;
+
+        pin = 1 << (15 - pin);
+
+        if (port != 0)
+                iop += port - 1;
+
+        if (flags & CPM_PIN_OUTPUT)
+                setbits16(&iop->dir, pin);
+        else
+                clrbits16(&iop->dir, pin);
+
+        if (!(flags & CPM_PIN_GPIO))
+                setbits16(&iop->par, pin);
+        else
+                clrbits16(&iop->par, pin);
+
+        if (port == CPM_PORTC) {
+                if (flags & CPM_PIN_SECONDARY)
+                        setbits16(&iop->sor, pin);
+                else
+                        clrbits16(&iop->sor, pin);
+        }
+}
+
+void cpm1_set_pin(enum cpm_port port, int pin, int flags)
+{
+        if (port == CPM_PORTB || port == CPM_PORTE)
+                cpm1_set_pin32(port, pin, flags);
+        else
+                cpm1_set_pin16(port, pin, flags);
+}
+
+int cpm1_clk_setup(enum cpm_clk_target target, int clock, int mode)
+{
+        int shift;
+        int i, bits = 0;
+        u32 __iomem *reg;
+        u32 mask = 7;
+
+        u8 clk_map[][3] = {
+                {CPM_CLK_SCC1, CPM_BRG1, 0},
+                {CPM_CLK_SCC1, CPM_BRG2, 1},
+                {CPM_CLK_SCC1, CPM_BRG3, 2},
+                {CPM_CLK_SCC1, CPM_BRG4, 3},
+                {CPM_CLK_SCC1, CPM_CLK1, 4},
+                {CPM_CLK_SCC1, CPM_CLK2, 5},
+                {CPM_CLK_SCC1, CPM_CLK3, 6},
+                {CPM_CLK_SCC1, CPM_CLK4, 7},
+
+                {CPM_CLK_SCC2, CPM_BRG1, 0},
+                {CPM_CLK_SCC2, CPM_BRG2, 1},
+                {CPM_CLK_SCC2, CPM_BRG3, 2},
+                {CPM_CLK_SCC2, CPM_BRG4, 3},
+                {CPM_CLK_SCC2, CPM_CLK1, 4},
+                {CPM_CLK_SCC2, CPM_CLK2, 5},
+                {CPM_CLK_SCC2, CPM_CLK3, 6},
+                {CPM_CLK_SCC2, CPM_CLK4, 7},
+
+                {CPM_CLK_SCC3, CPM_BRG1, 0},
+                {CPM_CLK_SCC3, CPM_BRG2, 1},
+                {CPM_CLK_SCC3, CPM_BRG3, 2},
+                {CPM_CLK_SCC3, CPM_BRG4, 3},
+                {CPM_CLK_SCC3, CPM_CLK5, 4},
+                {CPM_CLK_SCC3, CPM_CLK6, 5},
+                {CPM_CLK_SCC3, CPM_CLK7, 6},
+                {CPM_CLK_SCC3, CPM_CLK8, 7},
+
+                {CPM_CLK_SCC4, CPM_BRG1, 0},
+                {CPM_CLK_SCC4, CPM_BRG2, 1},
+                {CPM_CLK_SCC4, CPM_BRG3, 2},
+                {CPM_CLK_SCC4, CPM_BRG4, 3},
+                {CPM_CLK_SCC4, CPM_CLK5, 4},
+                {CPM_CLK_SCC4, CPM_CLK6, 5},
+                {CPM_CLK_SCC4, CPM_CLK7, 6},
+                {CPM_CLK_SCC4, CPM_CLK8, 7},
+
+                {CPM_CLK_SMC1, CPM_BRG1, 0},
+                {CPM_CLK_SMC1, CPM_BRG2, 1},
+                {CPM_CLK_SMC1, CPM_BRG3, 2},
+                {CPM_CLK_SMC1, CPM_BRG4, 3},
+                {CPM_CLK_SMC1, CPM_CLK1, 4},
+                {CPM_CLK_SMC1, CPM_CLK2, 5},
+                {CPM_CLK_SMC1, CPM_CLK3, 6},
+                {CPM_CLK_SMC1, CPM_CLK4, 7},
+
+                {CPM_CLK_SMC2, CPM_BRG1, 0},
+                {CPM_CLK_SMC2, CPM_BRG2, 1},
+                {CPM_CLK_SMC2, CPM_BRG3, 2},
+                {CPM_CLK_SMC2, CPM_BRG4, 3},
+                {CPM_CLK_SMC2, CPM_CLK5, 4},
+                {CPM_CLK_SMC2, CPM_CLK6, 5},
+                {CPM_CLK_SMC2, CPM_CLK7, 6},
+                {CPM_CLK_SMC2, CPM_CLK8, 7},
+        };
+
+        switch (target) {
+        case CPM_CLK_SCC1:
+                reg = &mpc8xx_immr->im_cpm.cp_sicr;
+                shift = 0;
+                break;
+
+        case CPM_CLK_SCC2:
+                reg = &mpc8xx_immr->im_cpm.cp_sicr;
+                shift = 8;
+                break;
+
+        case CPM_CLK_SCC3:
+                reg = &mpc8xx_immr->im_cpm.cp_sicr;
+                shift = 16;
+                break;
+
+        case CPM_CLK_SCC4:
+                reg = &mpc8xx_immr->im_cpm.cp_sicr;
+                shift = 24;
+                break;
+
+        case CPM_CLK_SMC1:
+                reg = &mpc8xx_immr->im_cpm.cp_simode;
+                shift = 12;
+                break;
+
+        case CPM_CLK_SMC2:
+                reg = &mpc8xx_immr->im_cpm.cp_simode;
+                shift = 28;
+                break;
+
+        default:
+                printk(KERN_ERR "cpm1_clock_setup: invalid clock target\n");
+                return -EINVAL;
+        }
+
+        if (reg == &mpc8xx_immr->im_cpm.cp_sicr && mode == CPM_CLK_RX)
+                shift += 3;
+
+        for (i = 0; i < ARRAY_SIZE(clk_map); i++) {
+                if (clk_map[i][0] == target && clk_map[i][1] == clock) {
+                        bits = clk_map[i][2];
+                        break;
+                }
+        }
+
+        if (i == ARRAY_SIZE(clk_map)) {
+                printk(KERN_ERR "cpm1_clock_setup: invalid clock combination\n");
+                return -EINVAL;
+        }
+
+        bits <<= shift;
+        mask <<= shift;
+        out_be32(reg, (in_be32(reg) & ~mask) | bits);
+
+        return 0;
+}