diff options
Diffstat (limited to 'drivers/bus')
| -rw-r--r-- | drivers/bus/omap_l3_noc.c | 16 | ||||
| -rw-r--r-- | drivers/bus/omap_l3_noc.h | 70 |
2 files changed, 56 insertions, 30 deletions
diff --git a/drivers/bus/omap_l3_noc.c b/drivers/bus/omap_l3_noc.c index 7e0a988ad579..9524452ee12c 100644 --- a/drivers/bus/omap_l3_noc.c +++ b/drivers/bus/omap_l3_noc.c @@ -60,6 +60,7 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) void __iomem *l3_targ_stderr, *l3_targ_slvofslsb, *l3_targ_mstaddr; char *target_name, *master_name = "UN IDENTIFIED"; struct l3_target_data *l3_targ_inst; + struct l3_flagmux_data *flag_mux; struct l3_masters_data *master; /* Get the Type of interrupt */ @@ -71,7 +72,8 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) * to determine the source */ base = l3->l3_base[i]; - err_reg = readl_relaxed(base + l3->l3_flagmux[i] + + flag_mux = l3->l3_flagmux[i]; + err_reg = readl_relaxed(base + flag_mux->offset + L3_FLAGMUX_REGERR0 + (inttype << 3)); /* Get the corresponding error and analyse */ @@ -82,9 +84,13 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) /* We DONOT expect err_src to go out of bounds */ BUG_ON(err_src > MAX_CLKDM_TARGETS); - l3_targ_inst = &l3->l3_targ[i][err_src]; - target_name = l3_targ_inst->name; - l3_targ_base = base + l3_targ_inst->offset; + if (err_src < flag_mux->num_targ_data) { + l3_targ_inst = &flag_mux->l3_targ[err_src]; + target_name = l3_targ_inst->name; + l3_targ_base = base + l3_targ_inst->offset; + } else { + target_name = L3_TARGET_NOT_SUPPORTED; + } /* * If we do not know of a register offset to decode @@ -104,7 +110,7 @@ static irqreturn_t l3_interrupt_handler(int irq, void *_l3) inttype ? "debug" : "application", err_src, i, "(unclearable)"); - mask_reg = base + l3->l3_flagmux[i] + + mask_reg = base + flag_mux->offset + L3_FLAGMUX_MASK0 + (inttype << 3); mask_val = readl_relaxed(mask_reg); mask_val &= ~(1 << err_src); diff --git a/drivers/bus/omap_l3_noc.h b/drivers/bus/omap_l3_noc.h index e60865fe5965..64869fe656e5 100644 --- a/drivers/bus/omap_l3_noc.h +++ b/drivers/bus/omap_l3_noc.h @@ -17,8 +17,8 @@ #ifndef __OMAP_L3_NOC_H #define __OMAP_L3_NOC_H -#define OMAP_L3_MODULES 3 #define MAX_L3_MODULES 3 +#define MAX_CLKDM_TARGETS 31 #define CLEAR_STDERR_LOG (1 << 31) #define CUSTOM_ERROR 0x2 @@ -36,8 +36,6 @@ #define L3_TARGET_NOT_SUPPORTED NULL -#define MAX_CLKDM_TARGETS 31 - /** * struct l3_masters_data - L3 Master information * @id: ID of the L3 Master @@ -60,21 +58,32 @@ struct l3_target_data { char *name; }; +/** + * struct l3_flagmux_data - Flag Mux information + * @offset: offset from base for flagmux register + * @l3_targ: array indexed by flagmux index (bit offset) pointing to the + * target data. unsupported ones are marked with + * L3_TARGET_NOT_SUPPORTED + * @num_targ_data: number of entries in target data + */ +struct l3_flagmux_data { + u32 offset; + struct l3_target_data *l3_targ; + u8 num_targ_data; +}; + /** * struct omap_l3 - Description of data relevant for L3 bus. * @dev: device representing the bus (populated runtime) * @l3_base: base addresses of modules (populated runtime) - * @l3_flag_mux: array containing offsets to flag mux per module + * @l3_flag_mux: array containing flag mux data per module * offset from corresponding module base indexed per * module. * @num_modules: number of clock domains / modules. * @l3_masters: array pointing to master data containing name and register * offset for the master. * @num_master: number of masters - * @l3_targ: array indexed by flagmux index (bit offset) pointing to the - * target data. unsupported ones are marked with - * L3_TARGET_NOT_SUPPORTED * @debug_irq: irq number of the debug interrupt (populated runtime) * @app_irq: irq number of the application interrupt (populated runtime) */ @@ -82,25 +91,17 @@ struct omap_l3 { struct device *dev; void __iomem *l3_base[MAX_L3_MODULES]; - u32 *l3_flagmux; + struct l3_flagmux_data **l3_flagmux; int num_modules; struct l3_masters_data *l3_masters; int num_masters; - struct l3_target_data **l3_targ; - int debug_irq; int app_irq; }; -static u32 omap_l3_flagmux[OMAP_L3_MODULES] = { - 0x500, - 0x1000, - 0X0200 -}; - -static struct l3_target_data omap_l3_target_data_clk1[MAX_CLKDM_TARGETS] = { +static struct l3_target_data omap_l3_target_data_clk1[] = { {0x100, "DMM1",}, {0x200, "DMM2",}, {0x300, "ABE",}, @@ -110,7 +111,14 @@ static struct l3_target_data omap_l3_target_data_clk1[MAX_CLKDM_TARGETS] = { {0x900, "L4WAKEUP",}, }; -static struct l3_target_data omap_l3_target_data_clk2[MAX_CLKDM_TARGETS] = { +static struct l3_flagmux_data omap_l3_flagmux_clk1 = { + .offset = 0x500, + .l3_targ = omap_l3_target_data_clk1, + .num_targ_data = ARRAY_SIZE(omap_l3_target_data_clk1), +}; + + +static struct l3_target_data omap_l3_target_data_clk2[] = { {0x500, "CORTEXM3",}, {0x300, "DSS",}, {0x100, "GPMC",}, @@ -134,12 +142,25 @@ static struct l3_target_data omap_l3_target_data_clk2[MAX_CLKDM_TARGETS] = { {0x1700, "LLI",}, }; -static struct l3_target_data omap_l3_target_data_clk3[MAX_CLKDM_TARGETS] = { +static struct l3_flagmux_data omap_l3_flagmux_clk2 = { + .offset = 0x1000, + .l3_targ = omap_l3_target_data_clk2, + .num_targ_data = ARRAY_SIZE(omap_l3_target_data_clk2), +}; + + +static struct l3_target_data omap_l3_target_data_clk3[] = { {0x0100, "EMUSS",}, {0x0300, "DEBUG SOURCE",}, {0x0, "HOST CLK3",}, }; +static struct l3_flagmux_data omap_l3_flagmux_clk3 = { + .offset = 0x0200, + .l3_targ = omap_l3_target_data_clk3, + .num_targ_data = ARRAY_SIZE(omap_l3_target_data_clk3), +}; + static struct l3_masters_data omap_l3_masters[] = { { 0x0 , "MPU"}, { 0x10, "CS_ADP"}, @@ -168,18 +189,17 @@ static struct l3_masters_data omap_l3_masters[] = { { 0xC8, "USBHOSTFS"} }; -static struct l3_target_data *omap_l3_targ[OMAP_L3_MODULES] = { - omap_l3_target_data_clk1, - omap_l3_target_data_clk2, - omap_l3_target_data_clk3, +static struct l3_flagmux_data *omap_l3_flagmux[] = { + &omap_l3_flagmux_clk1, + &omap_l3_flagmux_clk2, + &omap_l3_flagmux_clk3, }; static const struct omap_l3 omap_l3_data = { .l3_flagmux = omap_l3_flagmux, - .num_modules = OMAP_L3_MODULES, + .num_modules = ARRAY_SIZE(omap_l3_flagmux), .l3_masters = omap_l3_masters, .num_masters = ARRAY_SIZE(omap_l3_masters), - .l3_targ = omap_l3_targ, }; #endif /* __OMAP_L3_NOC_H */ |