diff options
Diffstat (limited to 'arch/powerpc/sysdev')
| -rw-r--r-- | arch/powerpc/sysdev/cpm2_common.c | 56 | ||||
| -rw-r--r-- | arch/powerpc/sysdev/cpm2_pic.c | 2 |
2 files changed, 42 insertions, 16 deletions
diff --git a/arch/powerpc/sysdev/cpm2_common.c b/arch/powerpc/sysdev/cpm2_common.c index 3bf89b32476..0330ca49092 100644 --- a/arch/powerpc/sysdev/cpm2_common.c +++ b/arch/powerpc/sysdev/cpm2_common.c @@ -33,6 +33,8 @@ #include <linux/mm.h> #include <linux/interrupt.h> #include <linux/module.h> +#include <linux/of.h> + #include <asm/io.h> #include <asm/irq.h> #include <asm/mpc8260.h> @@ -45,13 +47,12 @@ #include <sysdev/fsl_soc.h> static void cpm2_dpinit(void); -cpm_cpm2_t *cpmp; /* Pointer to comm processor space */ +cpm_cpm2_t __iomem *cpmp; /* Pointer to comm processor space */ /* We allocate this here because it is used almost exclusively for * the communication processor devices. */ -cpm2_map_t *cpm2_immr; -intctl_cpm2_t *cpm2_intctl; +cpm2_map_t __iomem *cpm2_immr; #define CPM_MAP_SIZE (0x40000) /* 256k - the PQ3 reserve this amount of space for CPM as it is larger @@ -60,8 +61,11 @@ intctl_cpm2_t *cpm2_intctl; void cpm2_reset(void) { - cpm2_immr = (cpm2_map_t *)ioremap(CPM_MAP_ADDR, CPM_MAP_SIZE); - cpm2_intctl = cpm2_map(im_intctl); +#ifdef CONFIG_PPC_85xx + cpm2_immr = ioremap(CPM_MAP_ADDR, CPM_MAP_SIZE); +#else + cpm2_immr = ioremap(get_immrbase(), CPM_MAP_SIZE); +#endif /* Reclaim the DP memory for our use. */ @@ -91,7 +95,7 @@ cpm2_reset(void) void cpm_setbrg(uint brg, uint rate) { - volatile uint *bp; + u32 __iomem *bp; /* This is good enough to get SMCs running..... */ @@ -113,7 +117,8 @@ cpm_setbrg(uint brg, uint rate) void cpm2_fastbrg(uint brg, uint rate, int div16) { - volatile uint *bp; + u32 __iomem *bp; + u32 val; if (brg < 4) { bp = cpm2_map_size(im_brgc1, 16); @@ -123,10 +128,11 @@ cpm2_fastbrg(uint brg, uint rate, int div16) brg -= 4; } bp += brg; - *bp = ((BRG_INT_CLK / rate) << 1) | CPM_BRG_EN; + val = ((BRG_INT_CLK / rate) << 1) | CPM_BRG_EN; if (div16) - *bp |= CPM_BRG_DIV16; + val |= CPM_BRG_DIV16; + out_be32(bp, val); cpm2_unmap(bp); } @@ -135,8 +141,8 @@ int cpm2_clk_setup(enum cpm_clk_target target, int clock, int mode) int ret = 0; int shift; int i, bits = 0; - cpmux_t *im_cpmux; - u32 *reg; + cpmux_t __iomem *im_cpmux; + u32 __iomem *reg; u32 mask = 7; u8 clk_map [24][3] = { {CPM_CLK_FCC1, CPM_BRG5, 0}, @@ -228,13 +234,33 @@ static spinlock_t cpm_dpmem_lock; * until the memory subsystem goes up... */ static rh_block_t cpm_boot_dpmem_rh_block[16]; static rh_info_t cpm_dpmem_info; -static u8* im_dprambase; +static u8 __iomem *im_dprambase; static void cpm2_dpinit(void) { - spin_lock_init(&cpm_dpmem_lock); + struct resource r; + +#ifdef CONFIG_PPC_CPM_NEW_BINDING + struct device_node *np; + + np = of_find_compatible_node(NULL, NULL, "fsl,cpm2"); + if (!np) + panic("Cannot find CPM2 node"); - im_dprambase = ioremap(CPM_MAP_ADDR, CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE); + if (of_address_to_resource(np, 1, &r)) + panic("Cannot get CPM2 resource 1"); + + of_node_put(np); +#else + r.start = CPM_MAP_ADDR; + r.end = r.start + CPM_DATAONLY_BASE + CPM_DATAONLY_SIZE - 1; +#endif + + im_dprambase = ioremap(r.start, r.end - r.start + 1); + if (!im_dprambase) + panic("Cannot map DPRAM"); + + spin_lock_init(&cpm_dpmem_lock); /* initialize the info header */ rh_init(&cpm_dpmem_info, 1, @@ -248,7 +274,7 @@ static void cpm2_dpinit(void) * varies with the processor and the microcode patches activated. * But the following should be at least safe. */ - rh_attach_region(&cpm_dpmem_info, CPM_DATAONLY_BASE, CPM_DATAONLY_SIZE); + rh_attach_region(&cpm_dpmem_info, 0, r.end - r.start + 1); } /* This function returns an index into the DPRAM area. diff --git a/arch/powerpc/sysdev/cpm2_pic.c b/arch/powerpc/sysdev/cpm2_pic.c index d5b36e0ecbd..5fe65b2f8f3 100644 --- a/arch/powerpc/sysdev/cpm2_pic.c +++ b/arch/powerpc/sysdev/cpm2_pic.c @@ -48,7 +48,7 @@ #define CPM2_IRQ_PORTC15 48 #define CPM2_IRQ_PORTC0 63 -static intctl_cpm2_t *cpm2_intctl; +static intctl_cpm2_t __iomem *cpm2_intctl; static struct irq_host *cpm2_pic_host; #define NR_MASK_WORDS ((NR_IRQS + 31) / 32) |