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authorBin Meng <bmeng.cn@gmail.com>2015-09-09 23:20:25 -0700
committerSimon Glass <sjg@chromium.org>2015-09-16 19:53:52 -0600
commit8e3683029ee4e828cdecf53d4f05c746b4227e4e (patch)
treed1b3baaf37324572a724927244002e74372142ab
parentd0b3e3bfbb1918f2f4c2f49bc0734816a1b6229f (diff)
downloadtalos-obmc-uboot-8e3683029ee4e828cdecf53d4f05c746b4227e4e.tar.gz
talos-obmc-uboot-8e3683029ee4e828cdecf53d4f05c746b4227e4e.zip
x86: quark: Convert to use clrbits, setbits, clrsetbits macros
Change existing codes to use clrbits, setbits, clrsetbits macros. Signed-off-by: Bin Meng <bmeng.cn@gmail.com> Acked-by: Simon Glass <sjg@chromium.org>
-rw-r--r--arch/x86/cpu/quark/quark.c72
1 files changed, 21 insertions, 51 deletions
diff --git a/arch/x86/cpu/quark/quark.c b/arch/x86/cpu/quark/quark.c
index 934250b44b..8d53fe367d 100644
--- a/arch/x86/cpu/quark/quark.c
+++ b/arch/x86/cpu/quark/quark.c
@@ -73,8 +73,6 @@ static void quark_setup_bars(void)
static void quark_pcie_early_init(void)
{
- u32 pcie_cfg;
-
/*
* Step1: Assert PCIe signal PERST#
*
@@ -84,23 +82,18 @@ static void quark_pcie_early_init(void)
board_assert_perst();
/* Step2: PHY common lane reset */
- pcie_cfg = msg_port_alt_read(MSG_PORT_SOC_UNIT, PCIE_CFG);
- pcie_cfg |= PCIE_PHY_LANE_RST;
- msg_port_alt_write(MSG_PORT_SOC_UNIT, PCIE_CFG, pcie_cfg);
+ msg_port_alt_setbits(MSG_PORT_SOC_UNIT, PCIE_CFG, PCIE_PHY_LANE_RST);
/* wait 1 ms for PHY common lane reset */
mdelay(1);
/* Step3: PHY sideband interface reset and controller main reset */
- pcie_cfg = msg_port_alt_read(MSG_PORT_SOC_UNIT, PCIE_CFG);
- pcie_cfg |= (PCIE_PHY_SB_RST | PCIE_CTLR_MAIN_RST);
- msg_port_alt_write(MSG_PORT_SOC_UNIT, PCIE_CFG, pcie_cfg);
+ msg_port_alt_setbits(MSG_PORT_SOC_UNIT, PCIE_CFG,
+ PCIE_PHY_SB_RST | PCIE_CTLR_MAIN_RST);
/* wait 80ms for PLL to lock */
mdelay(80);
/* Step4: Controller sideband interface reset */
- pcie_cfg = msg_port_alt_read(MSG_PORT_SOC_UNIT, PCIE_CFG);
- pcie_cfg |= PCIE_CTLR_SB_RST;
- msg_port_alt_write(MSG_PORT_SOC_UNIT, PCIE_CFG, pcie_cfg);
+ msg_port_alt_setbits(MSG_PORT_SOC_UNIT, PCIE_CFG, PCIE_CTLR_SB_RST);
/* wait 20ms for controller sideband interface reset */
mdelay(20);
@@ -108,66 +101,43 @@ static void quark_pcie_early_init(void)
board_deassert_perst();
/* Step6: Controller primary interface reset */
- pcie_cfg = msg_port_alt_read(MSG_PORT_SOC_UNIT, PCIE_CFG);
- pcie_cfg |= PCIE_CTLR_PRI_RST;
- msg_port_alt_write(MSG_PORT_SOC_UNIT, PCIE_CFG, pcie_cfg);
+ msg_port_alt_setbits(MSG_PORT_SOC_UNIT, PCIE_CFG, PCIE_CTLR_PRI_RST);
/* Mixer Load Lane 0 */
- pcie_cfg = msg_port_io_read(MSG_PORT_PCIE_AFE, PCIE_RXPICTRL0_L0);
- pcie_cfg &= ~((1 << 6) | (1 << 7));
- msg_port_io_write(MSG_PORT_PCIE_AFE, PCIE_RXPICTRL0_L0, pcie_cfg);
+ msg_port_io_clrbits(MSG_PORT_PCIE_AFE, PCIE_RXPICTRL0_L0,
+ (1 << 6) | (1 << 7));
/* Mixer Load Lane 1 */
- pcie_cfg = msg_port_io_read(MSG_PORT_PCIE_AFE, PCIE_RXPICTRL0_L1);
- pcie_cfg &= ~((1 << 6) | (1 << 7));
- msg_port_io_write(MSG_PORT_PCIE_AFE, PCIE_RXPICTRL0_L1, pcie_cfg);
+ msg_port_io_clrbits(MSG_PORT_PCIE_AFE, PCIE_RXPICTRL0_L1,
+ (1 << 6) | (1 << 7));
}
static void quark_usb_early_init(void)
{
- u32 usb;
-
/* The sequence below comes from Quark firmware writer guide */
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_GLOBAL_PORT);
- usb &= ~(1 << 1);
- usb |= ((1 << 6) | (1 << 7));
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_GLOBAL_PORT, usb);
+ msg_port_alt_clrsetbits(MSG_PORT_USB_AFE, USB2_GLOBAL_PORT,
+ 1 << 1, (1 << 6) | (1 << 7));
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_COMPBG);
- usb &= ~((1 << 8) | (1 << 9));
- usb |= ((1 << 7) | (1 << 10));
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_COMPBG, usb);
+ msg_port_alt_clrsetbits(MSG_PORT_USB_AFE, USB2_COMPBG,
+ (1 << 8) | (1 << 9), (1 << 7) | (1 << 10));
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_PLL2);
- usb |= (1 << 29);
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_PLL2, usb);
+ msg_port_alt_setbits(MSG_PORT_USB_AFE, USB2_PLL2, 1 << 29);
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_PLL1);
- usb |= (1 << 1);
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_PLL1, usb);
+ msg_port_alt_setbits(MSG_PORT_USB_AFE, USB2_PLL1, 1 << 1);
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_PLL1);
- usb &= ~((1 << 3) | (1 << 4) | (1 << 5));
- usb |= (1 << 6);
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_PLL1, usb);
+ msg_port_alt_clrsetbits(MSG_PORT_USB_AFE, USB2_PLL1,
+ (1 << 3) | (1 << 4) | (1 << 5), 1 << 6);
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_PLL2);
- usb &= ~(1 << 29);
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_PLL2, usb);
+ msg_port_alt_clrbits(MSG_PORT_USB_AFE, USB2_PLL2, 1 << 29);
- usb = msg_port_alt_read(MSG_PORT_USB_AFE, USB2_PLL2);
- usb |= (1 << 24);
- msg_port_alt_write(MSG_PORT_USB_AFE, USB2_PLL2, usb);
+ msg_port_alt_setbits(MSG_PORT_USB_AFE, USB2_PLL2, 1 << 24);
}
static void quark_enable_legacy_seg(void)
{
- u32 hmisc2;
-
- hmisc2 = msg_port_read(MSG_PORT_HOST_BRIDGE, HMISC2);
- hmisc2 |= (HMISC2_SEGE | HMISC2_SEGF | HMISC2_SEGAB);
- msg_port_write(MSG_PORT_HOST_BRIDGE, HMISC2, hmisc2);
+ msg_port_setbits(MSG_PORT_HOST_BRIDGE, HMISC2,
+ HMISC2_SEGE | HMISC2_SEGF | HMISC2_SEGAB);
}
int arch_cpu_init(void)
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