brcm63xx: add kernel space and image support for the Netgear CVG834G
[openwrt.git] / target / linux / brcm63xx / patches-3.8 / 027-MIPS-BCM63XX-enable-pcie-for-BCM6362.patch
1 From ec6f1e53b22d01e628b79b99f7a33960034e97e7 Mon Sep 17 00:00:00 2001
2 From: Jonas Gorski <jogo@openwrt.org>
3 Date: Mon, 21 Nov 2011 00:53:26 +0100
4 Subject: [PATCH 6/7] MIPS: BCM63XX: enable pcie for BCM6362
5
6 The PCIe controller is almost the same as the BCM6328 one, with only
7 the SERDES register being at a different location.
8
9 Signed-off-by: Jonas Gorski <jogo@openwrt.org>
10 ---
11  arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h |    3 ++-
12  arch/mips/pci/pci-bcm63xx.c                       |   11 +++++++++--
13  2 files changed, 11 insertions(+), 3 deletions(-)
14
15 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
16 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_regs.h
17 @@ -1365,7 +1365,8 @@
18  /*************************************************************************
19   * _REG relative to RSET_MISC
20   *************************************************************************/
21 -#define MISC_SERDES_CTRL_REG           0x0
22 +#define MISC_SERDES_CTRL_6328_REG      0x0
23 +#define MISC_SERDES_CTRL_6362_REG      0x4
24  #define SERDES_PCIE_EN                 (1 << 0)
25  #define SERDES_PCIE_EXD_EN             (1 << 15)
26  
27 --- a/arch/mips/pci/pci-bcm63xx.c
28 +++ b/arch/mips/pci/pci-bcm63xx.c
29 @@ -121,11 +121,17 @@ void __iomem *pci_iospace_start;
30  static void __init bcm63xx_reset_pcie(void)
31  {
32         u32 val;
33 +       u32 reg;
34  
35         /* enable SERDES */
36 -       val = bcm_misc_readl(MISC_SERDES_CTRL_REG);
37 +       if (BCMCPU_IS_6328())
38 +               reg = MISC_SERDES_CTRL_6328_REG;
39 +       else
40 +               reg = MISC_SERDES_CTRL_6362_REG;
41 +
42 +       val = bcm_misc_readl(reg);
43         val |= SERDES_PCIE_EN | SERDES_PCIE_EXD_EN;
44 -       bcm_misc_writel(val, MISC_SERDES_CTRL_REG);
45 +       bcm_misc_writel(val, reg);
46  
47         /* reset the PCIe core */
48         bcm63xx_core_set_reset(BCM63XX_RESET_PCIE, 1);
49 @@ -330,6 +336,7 @@ static int __init bcm63xx_pci_init(void)
50  
51         switch (bcm63xx_get_cpu_id()) {
52         case BCM6328_CPU_ID:
53 +       case BCM6362_CPU_ID:
54                 return bcm63xx_register_pcie();
55         case BCM6348_CPU_ID:
56         case BCM6358_CPU_ID: