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| author | Simon Glass <sjg@chromium.org> | 2016-01-17 16:11:11 -0700 |
|---|---|---|
| committer | Bin Meng <bmeng.cn@gmail.com> | 2016-01-24 12:07:19 +0800 |
| commit | 788cd90864e469da7928a9efae3d017a09b2d035 (patch) | |
| tree | 1afa0bd73691037573bed82f4a1b207871ca1e67 /arch/x86/cpu | |
| parent | 4acc83d437da7a40e7c2b1874eaba23273ec6bc2 (diff) | |
| download | u-boot-imx-788cd90864e469da7928a9efae3d017a09b2d035.zip u-boot-imx-788cd90864e469da7928a9efae3d017a09b2d035.tar.gz u-boot-imx-788cd90864e469da7928a9efae3d017a09b2d035.tar.bz2 | |
x86: ivybridge: Move lpc_early_init() to probe()
Move this code to the LPC's probe() method so that it will happen
automatically when the LPC is probed before relocation.
Signed-off-by: Simon Glass <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>
Diffstat (limited to 'arch/x86/cpu')
| -rw-r--r-- | arch/x86/cpu/ivybridge/cpu.c | 9 | ||||
| -rw-r--r-- | arch/x86/cpu/ivybridge/lpc.c | 32 |
2 files changed, 25 insertions, 16 deletions
diff --git a/arch/x86/cpu/ivybridge/cpu.c b/arch/x86/cpu/ivybridge/cpu.c index 6ffc843..4c6ffb2 100644 --- a/arch/x86/cpu/ivybridge/cpu.c +++ b/arch/x86/cpu/ivybridge/cpu.c @@ -124,10 +124,8 @@ int arch_cpu_init(void) int arch_cpu_init_dm(void) { - const void *blob = gd->fdt_blob; struct pci_controller *hose; struct udevice *bus, *dev; - int node; int ret; post_code(0x70); @@ -145,13 +143,6 @@ int arch_cpu_init_dm(void) if (!dev) return -ENODEV; - node = fdtdec_next_compatible(blob, 0, COMPAT_INTEL_PCH); - if (node < 0) - return -ENOENT; - ret = lpc_early_init(gd->fdt_blob, node, PCH_LPC_DEV); - if (ret) - return ret; - enable_spi_prefetch(hose, PCH_LPC_DEV); /* This is already done in start.S, but let's do it in C */ diff --git a/arch/x86/cpu/ivybridge/lpc.c b/arch/x86/cpu/ivybridge/lpc.c index 51a4073..9d089c7 100644 --- a/arch/x86/cpu/ivybridge/lpc.c +++ b/arch/x86/cpu/ivybridge/lpc.c @@ -454,7 +454,13 @@ static void pch_fixups(pci_dev_t dev) setbits_le32(RCB_REG(0x21a8), 0x3); } -int lpc_early_init(const void *blob, int node, pci_dev_t dev) +/** + * lpc_early_init() - set up LPC serial ports and other early things + * + * @dev: LPC device + * @return 0 if OK, -ve on error + */ +static int lpc_early_init(struct udevice *dev) { struct reg_info { u32 base; @@ -463,17 +469,18 @@ int lpc_early_init(const void *blob, int node, pci_dev_t dev) int count; int i; - count = fdtdec_get_int_array_count(blob, node, "intel,gen-dec", - (u32 *)values, sizeof(values) / sizeof(u32)); + count = fdtdec_get_int_array_count(gd->fdt_blob, dev->of_offset, + "intel,gen-dec", (u32 *)values, + sizeof(values) / sizeof(u32)); if (count < 0) return -EINVAL; /* Set COM1/COM2 decode range */ - x86_pci_write_config16(dev, LPC_IO_DEC, 0x0010); + dm_pci_write_config16(dev->parent, LPC_IO_DEC, 0x0010); /* Enable PS/2 Keyboard/Mouse, EC areas and COM1 */ - x86_pci_write_config16(dev, LPC_EN, KBC_LPC_EN | MC_LPC_EN | - GAMEL_LPC_EN | COMA_LPC_EN); + dm_pci_write_config16(dev->parent, LPC_EN, KBC_LPC_EN | MC_LPC_EN | + GAMEL_LPC_EN | COMA_LPC_EN); /* Write all registers but use 0 if we run out of data */ count = count * sizeof(u32) / sizeof(values[0]); @@ -482,7 +489,7 @@ int lpc_early_init(const void *blob, int node, pci_dev_t dev) if (i < count) reg = ptr->base | PCI_COMMAND_IO | (ptr->size << 16); - x86_pci_write_config32(dev, LPC_GENX_DEC(i), reg); + dm_pci_write_config32(dev->parent, LPC_GENX_DEC(i), reg); } return 0; @@ -561,6 +568,17 @@ void lpc_enable(pci_dev_t dev) static int bd82x6x_lpc_probe(struct udevice *dev) { + int ret; + + if (gd->flags & GD_FLG_RELOC) + return 0; + + ret = lpc_early_init(dev); + if (ret) { + debug("%s: lpc_early_init() failed\n", __func__); + return ret; + } + return 0; } |