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Diffstat (limited to 'arch/arm/mach-davinci/devices-da8xx.c')
-rw-r--r--arch/arm/mach-davinci/devices-da8xx.c30
1 files changed, 30 insertions, 0 deletions
diff --git a/arch/arm/mach-davinci/devices-da8xx.c b/arch/arm/mach-davinci/devices-da8xx.c
index 7cf529f..22440c0 100644
--- a/arch/arm/mach-davinci/devices-da8xx.c
+++ b/arch/arm/mach-davinci/devices-da8xx.c
@@ -789,15 +789,35 @@ int __init da850_register_mmcsd1(struct davinci_mmc_config *config)
static struct resource da8xx_rproc_resources[] = {
{ /* DSP boot address */
+ .name = "host1cfg",
.start = DA8XX_SYSCFG0_BASE + DA8XX_HOST1CFG_REG,
.end = DA8XX_SYSCFG0_BASE + DA8XX_HOST1CFG_REG + 3,
.flags = IORESOURCE_MEM,
},
{ /* DSP interrupt registers */
+ .name = "chipsig",
.start = DA8XX_SYSCFG0_BASE + DA8XX_CHIPSIG_REG,
.end = DA8XX_SYSCFG0_BASE + DA8XX_CHIPSIG_REG + 7,
.flags = IORESOURCE_MEM,
},
+ { /* DSP L2 RAM */
+ .name = "l2sram",
+ .start = DA8XX_DSP_L2_RAM_BASE,
+ .end = DA8XX_DSP_L2_RAM_BASE + SZ_256K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ { /* DSP L1P RAM */
+ .name = "l1pram",
+ .start = DA8XX_DSP_L1P_RAM_BASE,
+ .end = DA8XX_DSP_L1P_RAM_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
+ { /* DSP L1D RAM */
+ .name = "l1dram",
+ .start = DA8XX_DSP_L1D_RAM_BASE,
+ .end = DA8XX_DSP_L1D_RAM_BASE + SZ_32K - 1,
+ .flags = IORESOURCE_MEM,
+ },
{ /* dsp irq */
.start = IRQ_DA8XX_CHIPINT0,
.end = IRQ_DA8XX_CHIPINT0,
@@ -814,6 +834,8 @@ static struct platform_device da8xx_dsp = {
.resource = da8xx_rproc_resources,
};
+static bool rproc_mem_inited __initdata;
+
#if IS_ENABLED(CONFIG_DA8XX_REMOTEPROC)
static phys_addr_t rproc_base __initdata;
@@ -852,6 +874,8 @@ void __init da8xx_rproc_reserve_cma(void)
ret = dma_declare_contiguous(&da8xx_dsp.dev, rproc_size, rproc_base, 0);
if (ret)
pr_err("%s: dma_declare_contiguous failed %d\n", __func__, ret);
+ else
+ rproc_mem_inited = true;
}
#else
@@ -866,6 +890,12 @@ int __init da8xx_register_rproc(void)
{
int ret;
+ if (!rproc_mem_inited) {
+ pr_warn("%s: memory not reserved for DSP, not registering DSP device\n",
+ __func__);
+ return -ENOMEM;
+ }
+
ret = platform_device_register(&da8xx_dsp);
if (ret)
pr_err("%s: can't register DSP device: %d\n", __func__, ret);
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