[brcm63xx] add preliminary support for 3.6 kernel
[openwrt.git] / target / linux / brcm63xx / patches-3.6 / 424-MIPS-BCM63XX-add-support-for-BCM6328-in-bcm_enetsw.patch
1 From f1c1bfa89cdac76a215d0e21161da9f8f8373437 Mon Sep 17 00:00:00 2001
2 From: Jonas Gorski <jonas.gorski@gmail.com>
3 Date: Tue, 14 Jun 2011 21:14:39 +0200
4 Subject: [PATCH 40/84] MIPS: BCM63XX: add support for BCM6328 in bcm_enetsw
5
6 Signed-off-by: Jonas Gorski <jonas.gorski@gmail.com>
7 ---
8  arch/mips/bcm63xx/clk.c                            |   34 ++++++++++++++-----
9  arch/mips/bcm63xx/dev-enet.c                       |    9 +++--
10  .../include/asm/mach-bcm63xx/bcm63xx_dev_enet.h    |    1 +
11  3 files changed, 32 insertions(+), 12 deletions(-)
12
13 --- a/arch/mips/bcm63xx/clk.c
14 +++ b/arch/mips/bcm63xx/clk.c
15 @@ -118,21 +118,37 @@ static struct clk clk_ephy = {
16   */
17  static void enetsw_set(struct clk *clk, int enable)
18  {
19 -       if (!BCMCPU_IS_6368())
20 +       u32 mask;
21 +
22 +       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368())
23                 return;
24 -       bcm_hwclock_set(CKCTL_6368_ROBOSW_EN |
25 -                       CKCTL_6368_SWPKT_USB_EN |
26 -                       CKCTL_6368_SWPKT_SAR_EN, enable);
27 +
28 +       if (BCMCPU_IS_6328())
29 +               mask = CKCTL_6328_ROBOSW_EN;
30 +       else
31 +               mask = CKCTL_6368_ROBOSW_EN | CKCTL_6368_SWPKT_USB_EN |
32 +                      CKCTL_6368_SWPKT_SAR_EN;
33 +
34 +       bcm_hwclock_set(mask, enable);
35         if (enable) {
36 +               u32 reg;
37                 u32 val;
38  
39 +               if (BCMCPU_IS_6328()) {
40 +                       reg = PERF_SOFTRESET_6328_REG;
41 +                       mask = SOFTRESET_6328_ENETSW_MASK;
42 +               } else {
43 +                       reg = PERF_SOFTRESET_6368_REG;
44 +                       mask = SOFTRESET_6368_ENETSW_MASK;
45 +               }
46 +
47                 /* reset switch core afer clock change */
48 -               val = bcm_perf_readl(PERF_SOFTRESET_6368_REG);
49 -               val &= ~SOFTRESET_6368_ENETSW_MASK;
50 -               bcm_perf_writel(val, PERF_SOFTRESET_6368_REG);
51 +               val = bcm_perf_readl(reg);
52 +               val &= ~mask;
53 +               bcm_perf_writel(val, reg);
54                 msleep(10);
55 -               val |= SOFTRESET_6368_ENETSW_MASK;
56 -               bcm_perf_writel(val, PERF_SOFTRESET_6368_REG);
57 +               val |= mask;
58 +               bcm_perf_writel(val, reg);
59                 msleep(10);
60         }
61  }
62 --- a/arch/mips/bcm63xx/dev-enet.c
63 +++ b/arch/mips/bcm63xx/dev-enet.c
64 @@ -141,7 +141,7 @@ static int __init register_shared(void)
65         shared_res[0].end = shared_res[0].start;
66         shared_res[0].end += (RSET_ENETDMA_SIZE)  - 1;
67  
68 -       if (BCMCPU_IS_6368())
69 +       if (BCMCPU_IS_6328() || BCMCPU_IS_6368())
70                 chan_count = 32;
71         else
72                 chan_count = 16;
73 @@ -224,7 +224,7 @@ bcm63xx_enetsw_register(const struct bcm
74  {
75         int ret;
76  
77 -       if (!BCMCPU_IS_6368())
78 +       if (!BCMCPU_IS_6328() && !BCMCPU_IS_6368())
79                 return -ENODEV;
80  
81         ret = register_shared();
82 @@ -241,7 +241,10 @@ bcm63xx_enetsw_register(const struct bcm
83  
84         memcpy(bcm63xx_enetsw_device.dev.platform_data, pd, sizeof (*pd));
85  
86 -       enetsw_pd.num_ports = ENETSW_PORTS_6368;
87 +       if (BCMCPU_IS_6328())
88 +               enetsw_pd.num_ports = ENETSW_PORTS_6328;
89 +       else if (BCMCPU_IS_6368())
90 +               enetsw_pd.num_ports = ENETSW_PORTS_6368;
91  
92         ret = platform_device_register(&bcm63xx_enetsw_device);
93         if (ret)
94 --- a/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
95 +++ b/arch/mips/include/asm/mach-bcm63xx/bcm63xx_dev_enet.h
96 @@ -43,6 +43,7 @@ struct bcm63xx_enet_platform_data {
97   * on board ethernet switch platform data
98   */
99  #define ENETSW_MAX_PORT        6
100 +#define ENETSW_PORTS_6328 5 /* 4 FE PHY + 1 RGMII */
101  #define ENETSW_PORTS_6368 6 /* 4 FE PHY + 2 RGMII */
102  
103  #define ENETSW_RGMII_PORT0     4