diff options
Diffstat (limited to 'arch/arm/mach-integrator')
| -rw-r--r-- | arch/arm/mach-integrator/integrator_ap.c | 52 | ||||
| -rw-r--r-- | arch/arm/mach-integrator/integrator_cp.c | 6 |
2 files changed, 30 insertions, 28 deletions
diff --git a/arch/arm/mach-integrator/integrator_ap.c b/arch/arm/mach-integrator/integrator_ap.c index a762712bc2f..cc1d3fe21c4 100644 --- a/arch/arm/mach-integrator/integrator_ap.c +++ b/arch/arm/mach-integrator/integrator_ap.c @@ -63,6 +63,8 @@ /* Base address to the AP system controller */ void __iomem *ap_syscon_base; +/* Base address to the external bus interface */ +static void __iomem *ebi_base; /* @@ -73,13 +75,11 @@ void __iomem *ap_syscon_base; * just for now). */ #define VA_IC_BASE __io_address(INTEGRATOR_IC_BASE) -#define VA_EBI_BASE __io_address(INTEGRATOR_EBI_BASE) /* * Logical Physical * ef000000 Cache flush * f1100000 11000000 System controller registers - * f1200000 12000000 EBI registers * f1300000 13000000 Counter/Timer * f1400000 14000000 Interrupt controller * f1600000 16000000 UART 0 @@ -90,11 +90,6 @@ void __iomem *ap_syscon_base; static struct map_desc ap_io_desc[] __initdata __maybe_unused = { { - .virtual = IO_ADDRESS(INTEGRATOR_EBI_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_EBI_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { .virtual = IO_ADDRESS(INTEGRATOR_CT_BASE), .pfn = __phys_to_pfn(INTEGRATOR_CT_BASE), .length = SZ_4K, @@ -168,9 +163,6 @@ device_initcall(irq_syscore_init); /* * Flash handling. */ -#define EBI_CSR1 (VA_EBI_BASE + INTEGRATOR_EBI_CSR1_OFFSET) -#define EBI_LOCK (VA_EBI_BASE + INTEGRATOR_EBI_LOCK_OFFSET) - static int ap_flash_init(struct platform_device *dev) { u32 tmp; @@ -178,13 +170,15 @@ static int ap_flash_init(struct platform_device *dev) writel(INTEGRATOR_SC_CTRL_nFLVPPEN | INTEGRATOR_SC_CTRL_nFLWP, ap_syscon_base + INTEGRATOR_SC_CTRLC_OFFSET); - tmp = readl(EBI_CSR1) | INTEGRATOR_EBI_WRITE_ENABLE; - writel(tmp, EBI_CSR1); + tmp = readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) | + INTEGRATOR_EBI_WRITE_ENABLE; + writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET); - if (!(readl(EBI_CSR1) & INTEGRATOR_EBI_WRITE_ENABLE)) { - writel(0xa05f, EBI_LOCK); - writel(tmp, EBI_CSR1); - writel(0, EBI_LOCK); + if (!(readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) + & INTEGRATOR_EBI_WRITE_ENABLE)) { + writel(0xa05f, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET); + writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET); + writel(0, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET); } return 0; } @@ -196,13 +190,15 @@ static void ap_flash_exit(struct platform_device *dev) writel(INTEGRATOR_SC_CTRL_nFLVPPEN | INTEGRATOR_SC_CTRL_nFLWP, ap_syscon_base + INTEGRATOR_SC_CTRLC_OFFSET); - tmp = readl(EBI_CSR1) & ~INTEGRATOR_EBI_WRITE_ENABLE; - writel(tmp, EBI_CSR1); + tmp = readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) & + ~INTEGRATOR_EBI_WRITE_ENABLE; + writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET); - if (readl(EBI_CSR1) & INTEGRATOR_EBI_WRITE_ENABLE) { - writel(0xa05f, EBI_LOCK); - writel(tmp, EBI_CSR1); - writel(0, EBI_LOCK); + if (readl(ebi_base + INTEGRATOR_EBI_CSR1_OFFSET) & + INTEGRATOR_EBI_WRITE_ENABLE) { + writel(0xa05f, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET); + writel(tmp, ebi_base + INTEGRATOR_EBI_CSR1_OFFSET); + writel(0, ebi_base + INTEGRATOR_EBI_LOCK_OFFSET); } } @@ -469,11 +465,17 @@ static const struct of_device_id ap_syscon_match[] = { { }, }; +static const struct of_device_id ebi_match[] = { + { .compatible = "arm,external-bus-interface"}, + { }, +}; + static void __init ap_init_of(void) { unsigned long sc_dec; struct device_node *root; struct device_node *syscon; + struct device_node *ebi; struct device *parent; struct soc_device *soc_dev; struct soc_device_attribute *soc_dev_attr; @@ -489,10 +491,16 @@ static void __init ap_init_of(void) syscon = of_find_matching_node(root, ap_syscon_match); if (!syscon) return; + ebi = of_find_matching_node(root, ebi_match); + if (!ebi) + return; ap_syscon_base = of_iomap(syscon, 0); if (!ap_syscon_base) return; + ebi_base = of_iomap(ebi, 0); + if (!ebi_base) + return; ap_sc_id = readl(ap_syscon_base); diff --git a/arch/arm/mach-integrator/integrator_cp.c b/arch/arm/mach-integrator/integrator_cp.c index 916c0f345a3..5e84149d179 100644 --- a/arch/arm/mach-integrator/integrator_cp.c +++ b/arch/arm/mach-integrator/integrator_cp.c @@ -64,7 +64,6 @@ static void __iomem *intcp_con_base; /* * Logical Physical - * f1200000 12000000 EBI registers * f1300000 13000000 Counter/Timer * f1400000 14000000 Interrupt controller * f1600000 16000000 UART 0 @@ -76,11 +75,6 @@ static void __iomem *intcp_con_base; static struct map_desc intcp_io_desc[] __initdata __maybe_unused = { { - .virtual = IO_ADDRESS(INTEGRATOR_EBI_BASE), - .pfn = __phys_to_pfn(INTEGRATOR_EBI_BASE), - .length = SZ_4K, - .type = MT_DEVICE - }, { .virtual = IO_ADDRESS(INTEGRATOR_CT_BASE), .pfn = __phys_to_pfn(INTEGRATOR_CT_BASE), .length = SZ_4K, |